Проведем плоскость, перпендикулярную плоскости
![](data:image/png;base64,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)
и проходящую через начало координат, такую, что линия ее пересечения с плоскостью
![](data:image/png;base64,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)
составляет с осью
![](data:image/png;base64,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)
угол, равный
![](data:image/png;base64,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)
(центральное сечение двумерного преобразования Фурье). В сечении этой плоскости со значениями функции
![](data:image/png;base64,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)
получается некоторая одномерная функция, зависящая от положения точки на этой прямой, например от ее расстояния до начала координат. Если это расстояние равно
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABUAAAATCAYAAAB/TkaLAAAAAXNSR0ICQMB9xQAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABl0RVh0U29mdHdhcmUATWljcm9zb2Z0IE9mZmljZX/tNXEAAADiSURBVDjLY2hsbGSgNmYYNRQvrs/zMJRlYHjDwMDwn8E4aiFMPMqYYSFYDIhl3XKKiTK0vj5W0piB4S66YTjVyHjsSevo4MFpKMJ1sm888uoNYeIN0cY+DAzGd2Pr6yWx+cQ4usEHq6HItsMU4bOooyONx0OGYQ9yMGAYmuMmW4zNy3BxJG+iG4rVpQhXoroGOWKQXY9LD4qhkDDDdA3cpVjEsekhyutgF0V62KG7HpvXiTYUFknoXoe7Ek099qSE5BWwRiA/L8/FVtY4qpeQgVhjH64YhnHkIvT0OlpK0dZQAKC3OVqDSDb5AAAAAElFTkSuQmCC)
, координаты точки этой прямой в плоскости
![](data:image/png;base64,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)
равны
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAG8AAAAdCAYAAACkLzKqAAAAAXNSR0ICQMB9xQAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABl0RVh0U29mdHdhcmUATWljcm9zb2Z0IE9mZmljZX/tNXEAAAKhSURBVGje7ZixTsMwEIb9AH0AKjXMrMVihAmlEWJGtBETiAl56YzSbll4ATZGnoE+BmveoBKPAE2Km/h6Z7sKaRN0ww2hR3y+z3f3O2I+nwu2bhongeGxMTw2htd1S9PHXjQQCyHEt7YgfJoyvJbbUxhMC2By8qb/lqhoGAixhAA5YS2yWSyvITijEgfR4jFNewyvta0yWEYqGTK8DlmS3PWlEBkEZPut+5v+nQew3UykeLMNeyMpFWEg49m1cx2H72ZuFSazWEVXMlQPXvBAyzTWBr91/6QiMwL1AadWzxcNoKrwIOw1jLKdGWoQrF34VtaixAbZNpG96MMAD8v+VZSn2TZbVoE5H9ZAZHaXJH2sYvTmqYRuYqwkH0LG5Lx+DwUgf68LXtktzD3ZZmGnK66aUAoolmQsSZgwsCXOUIdb/iC2VcxhqG526iaYdX3mYfcgqmogvDyh5bNZofZk4r7YgTE7DA7drwIxgGYcjQqC5qpuOyk6Htje4P+4gOB7J+AR8Wwqkkg69HELKpmNk/FQHo9evSqvriBo9BKLrAWFwq6tbZfZ6luZRhViVwD9fiJ3OvYcLtZ6GxEETQkWqmUWcYyjC3KGgdg2XcOSNLPF4vHA5Bf+UXzv2y2oLypm7HSHaEQQ7Hve6djg4aGSY7Q1ADDf/6k4/dAJK33p1mdcN4LgHUKCVw3XFcAmqqzw6gqCvVzIoZRfPSt1eR7IyYvPqXZ1AngIsUrFrhuYOqU+bZEfoYniccKrJwj6XydH4tNHCPzJ3NNGiCifOLaFBX3SfXxzUKEMn1V8dkvF6HWILP4kvLqCQM3U0ehYvjYJj42AV1cQ5M8Mr2XwfAUBwzsgvLqCgOEdEF5dQcDwDgyvjrkuv2wthsfG8NgY3v+3HwXtTHkPbNavAAAAAElFTkSuQmCC)
и
![](data:image/png;base64,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)
. Следовательно,
![](data:image/png;base64,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)
подстановкой
![](data:image/png;base64,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)
,
![](data:image/png;base64,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)
превращается в
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKUAAAAdCAYAAADLsqzCAAAAAXNSR0ICQMB9xQAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABl0RVh0U29mdHdhcmUATWljcm9zb2Z0IE9mZmljZX/tNXEAAARHSURBVHja7VsxbtwwEOQD/AEDlv/gE1ImVSALgesgd4KrGK4MNa4D+bpr8gF3LvOG+AX+gQv/wH9IwrujtCR3ySVFGReLxRa2KIo7HM4ulzyxXq9FSuva+qys2qvU/WZ7v9ZW5VXddmfq78k/kC1bqJCl7by7PC5Pz++vN5ujDHY2rm0210fnp+X9ZdcdB5NyVYoHIcQfIcoX1QG0u6a8EOXqIQOdLdQkt8rm7iKIlFvCndSPbfv5YyHEa1Hd3JptbqriVnWc7TAVqT4Rj1JYDm2eJHcUp6LkVYbphVj8hmqpHJ4rKeGEK8MW7iEo0luSkouLEj2Z+kVvXrb5Y9l08O+FKJ7muMmRq3wLOEhdZPJORZSMi43L7v+LJyl0SXdQqtM5Ab9d4QbwmkLsV//cCBmKy44/xbMUtUzKJKGpeDUjxJxJGYMLjLSJVwa+K3+vtk1hhHjBiOd6lnGxn6n/y1w3WoZhfiCfcUjZtzf6G0pN7s1B7xBImqmEXfuWp22f++zLXU1bf+GcSvXj8WATF3XCcfL5MeCnK1g/x3ui6NiFC00MLkGk3AFhyzAEQXbkIqVGJmKStDbIClPAKWLBXZ05QbtxDWPWdoDG97dtwfdCNih9v4hPEJvgyYzAyeeHTtgdNtbO+N/7TV10FjkD1T4GFzYpXTI8OLQjIkXKYdVhq1NvD1coHDRFlB5oMD6TvFhpQvVDgQdrZjGL1pVT+dUxHCeuH9S4YH+c9lPgwialmmBsgkwZRsEDqxojGT1o/ZuUWptJsw9EM0xRxWQ57qpqvwarG2YMlRmLE9cPkpQO8XFFypS4sEnJDd3U7hurU1EKZ4Jth2l/bjMAQaQRyCRjYW1MUdo2/7hT4MTxI56U8cV2Li6s3XdI6DbrTK6k2uUo9o6PaDjpfLktkeh7iATbUeEdjnfZLc98F1RS4cTxYypSpsCFRcqQ0G12ioVK1+aCCq+UKoTmZVwl1dSGCLu+5B/ixkkDUuHE8WNKpRyLC+tEJyR0Q4etcIKVBZb1JzI/RADoQ4DDYS3h9y0mmFPWzXeucvlKZCGphi90h+DE9WNKUo7FxXv27VIU1zO426PAVsQwnXQ5pYUl9CRguBwytLXHh5aViuKXOfFmSYlb6onZFKTAievHlKQci4v0y3lLiJpYLWndO6BUqn9vDxYm59r1t3L1k0NIvDCsm6mKmLJiZSVsknzHg+glA2L3jCf8RHlnBE5cP7wloQSkDMUFvk/ep1SrrijEszn58iXrpMQcBEhgrcSbOJ3ghjs7kadXH6et9LUqqx9t8+EbNU72AvG8o/lrtB2LE8cP7IRLPsd8kQvXxm8aXNT4nTfPx16syL/RYdTvwJW/bHvOgYiAr+gRP2nIoPvVfs53LDlCJlwbgVQfyYanN9nw0zNvtT/GVI6TwY8vFc0FF5hLWqR0XTfKlu0tLYOQLZMyW7ZMymz/nf0FTZ78NiuO/H4AAAAASUVORK5CYII=)
.
Теорема.
Пусть функция
![](data:image/png;base64,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)
и ее радоновский образ
![](data:image/png;base64,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)
таковы, что существуют их преобразования Фурье. Тогда одномерное преобразование Фурье радоновского образа
![](data:image/png;base64,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)
по переменной
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAATCAYAAABPwleqAAAAAXNSR0ICQMB9xQAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABl0RVh0U29mdHdhcmUATWljcm9zb2Z0IE9mZmljZX/tNXEAAAC3SURBVDjLY2hsbGQgFzMMM81RxgwLGRgY/oOwcXSDT32eh6FHZL0dQc05brLFDAyybzzy6g0RBiH4ODV3dKTxeMgw7GFgML4bW18vCRNzlzOeBePjtRnmZJBzSfYzyH+yDAxvsDmVqABriDb2gQQYwvkkRRUk4IAGGEctJKg5z804BdmZ9fWxksYMDHdx2Y4RUOiBBAk8ApqxRREs4GTdcorxOhvkRDe3vDCEUyGpC5fG4ZiriMEA2SmfIhUFlj0AAAAASUVORK5CYII=)
равно функции, описывающей центральное сечение двумерного преобразования Фурье, соответствующее тому значению
![](data:image/png;base64,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)
, при котором вычисляется преобразование Фурье функции
![](data:image/png;base64,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)
. (2.19)
Для доказательства (2.19) подставим в (2.17) вместо
![](data:image/png;base64,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)
выражение (2.6) и сделаем замену переменных, аналогичную (2.4), полагая в (2.4)
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAC8AAAAZCAYAAAChBHccAAAAAXNSR0ICQMB9xQAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABl0RVh0U29mdHdhcmUATWljcm9zb2Z0IE9mZmljZX/tNXEAAAFkSURBVFjD7ZcxDoIwFIbfAbyAibh5APN2x9oYZxMlThon08UDVDbO4OY9vIo38A5qwUcRqcVoxUaGDjQUvr7+//8AoigCX4e34A281/BrFmwA4Byw9cYreCnnbQQ4KngMt2O/4AXvBwAnADzOpWx7Bb8NcVyXZD4EX0/V34ZPzIqz/U+ljSlBZgh7NU/AguGSC9l3AZa96xYGyl98KgdGeG3AdBFJIo5XLd6BQzbf4YdVHLdcVTQtXnCiwqQb0ddPK5+HVbtWi6uakk6t6ig+V79be0nNDbu4K3rLmiR1pAlJxtY77A3IsUSe949HqVROG5PWvjH0yZujuFLrr6sJZf4xxLFxoWBsEgo+So7vhSx/x7DF6NUFLK++UXPIxLLM+SHnC1ceUDItmjSVrgU+uelqTiGnPewOdwRIlaTIdPX1WFYoMq5JtiUd7X6X+cbl8rNXSYQxMcl7zea35jewgf83+Asj1LqOjH5x5AAAAABJRU5ErkJggg==)
. Тогда получаем
![](data:image/png;base64,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)
=
![](data:image/png;base64,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)
. (2.20)
Сравнивая последний интеграл в (2.20) с (2.18), видим, что они равны, если в (2.20) под
![](data:image/png;base64,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)
и
![](data:image/png;base64,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)
понимать соответственно
![](data:image/png;base64,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)
и
![](data:image/png;base64,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)
. Следовательно, последний интеграл в (2.20) равен
![](data:image/png;base64,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)
, что и доказывает сформулированную теорему. Легко убедиться, что теорема о центральном сечении справедлива и для случая, когда верно равенство (2.7).
2.4 Рассмотрим теперь формулы обращения и алгоритмы реконструкции, основанные на теореме о центральном сечении. Известно, что по двумерному преобразованию Фурье
![](data:image/png;base64,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)
можно найти
![](data:image/png;base64,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)
:
![](data:image/png;base64,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)
. (2.21)
Сделаем в (2.21) замену переменных, перейдя в плоскости
![](data:image/png;base64,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)
к полярным координатам
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACkAAAAcCAYAAAD815boAAAAAXNSR0ICQMB9xQAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABl0RVh0U29mdHdhcmUATWljcm9zb2Z0IE9mZmljZX/tNXEAAAGMSURBVFjD7Zc9csIwEIX3AFyAGZw7MKqTKuO4oGbG9tBSMW44gHDnJhdIxz24im/AHZJYRLF32V2ZBjSMCxX45+nze6uVgLquIfYRPeAE+TSQTbOdZQs4AcC3H0m620cDuUuTvQMzxdFfs1W2TADOFPQhgIfSrCggcnaRnbZNM3sYZB9xcs4qu4wS0trN3AC0FES7Fxb9qxMaT2HgqBV7EJJEjeYi98JiTO2wzzDOqHEzmn4xmfKwCkL27uG6uRS8aTfWzjmnqbg0Lilgba1WVXeGk0rgw143NnaUADdCNcn1L3SdCAwhxzrJ1TUeOC3hC68t94IURHsH9UTF6V7DtLnNl+bl40t08l+QWQTOSea69s5VqQjPeI3uIzrgNK3WYk1KUbuJ8uxNbL6BqKUdBmvgiG+G9E5QEG3yMa1FWukqJBeLA/n9XVXvr4kpPjXAfiFgV9jDhNBFRh3VhoWu7TJcPOi+1B0E7bufJ51LprRRH3q7NG7Zz+8O6VwkfS4ayDGtZPojNkE+C+QP+kl84YBGwtcAAAAASUVORK5CYII=)
, так что
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAG8AAAAdCAYAAACkLzKqAAAAAXNSR0ICQMB9xQAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABl0RVh0U29mdHdhcmUATWljcm9zb2Z0IE9mZmljZX/tNXEAAAKhSURBVGje7ZixTsMwEIb9AH0AKjXMrMVihAmlEWJGtBETiAl56YzSbll4ATZGnoE+BmveoBKPAE2Km/h6Z7sKaRN0ww2hR3y+z3f3O2I+nwu2bhongeGxMTw2htd1S9PHXjQQCyHEt7YgfJoyvJbbUxhMC2By8qb/lqhoGAixhAA5YS2yWSyvITijEgfR4jFNewyvta0yWEYqGTK8DlmS3PWlEBkEZPut+5v+nQew3UykeLMNeyMpFWEg49m1cx2H72ZuFSazWEVXMlQPXvBAyzTWBr91/6QiMwL1AadWzxcNoKrwIOw1jLKdGWoQrF34VtaixAbZNpG96MMAD8v+VZSn2TZbVoE5H9ZAZHaXJH2sYvTmqYRuYqwkH0LG5Lx+DwUgf68LXtktzD3ZZmGnK66aUAoolmQsSZgwsCXOUIdb/iC2VcxhqG526iaYdX3mYfcgqmogvDyh5bNZofZk4r7YgTE7DA7drwIxgGYcjQqC5qpuOyk6Htje4P+4gOB7J+AR8Wwqkkg69HELKpmNk/FQHo9evSqvriBo9BKLrAWFwq6tbZfZ6luZRhViVwD9fiJ3OvYcLtZ6GxEETQkWqmUWcYyjC3KGgdg2XcOSNLPF4vHA5Bf+UXzv2y2oLypm7HSHaEQQ7Hve6djg4aGSY7Q1ADDf/6k4/dAJK33p1mdcN4LgHUKCVw3XFcAmqqzw6gqCvVzIoZRfPSt1eR7IyYvPqXZ1AngIsUrFrhuYOqU+bZEfoYniccKrJwj6XydH4tNHCPzJ3NNGiCifOLaFBX3SfXxzUKEMn1V8dkvF6HWILP4kvLqCQM3U0ehYvjYJj42AV1cQ5M8Mr2XwfAUBwzsgvLqCgOEdEF5dQcDwDgyvjrkuv2wthsfG8NgY3v+3HwXtTHkPbNavAAAAAElFTkSuQmCC)
,
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAG0AAAAdCAYAAACg2uKXAAAAAXNSR0ICQMB9xQAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABl0RVh0U29mdHdhcmUATWljcm9zb2Z0IE9mZmljZX/tNXEAAAKaSURBVGje7VpLTsMwEPUBuAAS5g7FYgkrZCzUNaK1KoRArJA3XVdpd930AuxYcga4Sm/AHaBJk2I7M4nbfGjDLN4idWxP5nnmzVhls9mMEQ4L5AQijUCk/THm8+cjdcI+GWPfQk/7RNqBYCjYW1uk2YckA5cvYyJtT/Ei+TghSgzfst8io3qcsS+fOHLYHmCqRd8nzIm8E/X5PJ8fEWl7p5v8S5moR6QdAKJodCwYW/rEFI115+PT/O+nmayQgER9oyMJxFIbdSOkeco5zYuCTTpLnensvVpnFEXHW5PmpUbnm7yx7pxUQBPAd1JHJ4RZJ9gXfZfQNWm56m41Xyse5cgDoqY0PQK2Zzb4levfVEiBgMpdOLqgSHBPvB0N59rcQY6K7bP3xPTGXivk/bC2wp1TtFYnIsw+iRiRdpRweT+BmuZ4TSnNbSlpBToEEbBVtoDQFU2D+hrnd+9D/dsNKP2FVnblpO3WjNv668LNGo0IfHtRlnc25jRozqagQJzTBGn2npjffm0Vy0E06InT69egSNtV4FttRoE9/QIjeA6QipqKtLKCJbM1JtVP2Shpuwp8WUqoqxDBUmNiz0Bdok1qamPyrPRjWSQ2RRp2A+LuibcONQt8O2kSIy2z0XeY76TEZs7ffXLX6zZPGlbKhxYytQt8q420ZUtCzOrZmKsLLoaLolMNkQFdGZWW/BVJcy6HkWApJa26wOubbOOmoy5XRCBFEpRmYjKkkBOjz++wNdxbjt9xKMXH35ovavBaAJWKgvdR0qoK/L2UD7GDYiLP2NnHNtc5hHDUKvBuZPLFNg0moWbSQgXehlbqsa0W4F+TVlXg7bF9+k9Fp0mrKvCb+YGCSqiJtFr6pxQUbQdAGoFIIxBp3cEP6QT1AFo0hD0AAAAASUVORK5CYII=)
. Тогда (2.21) принимает вид:
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAfAAAAAwCAYAAADuMyjmAAAAAXNSR0ICQMB9xQAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABl0RVh0U29mdHdhcmUATWljcm9zb2Z0IE9mZmljZX/tNXEAAAtsSURBVHja7V2xjtRIEPUHEIIE0nqjQ9rgEvAS7pGgYQ6tdCI5sWst6LSIAC2WTmRIyLsRK53IERkZfMMRXHIJ8SUE/AHSfcLderyeaZer29Vtj93tecETYhimu6ur6nVVV3dHZ2dnEQAAAAAAYQFCAAAAAAAQOAAAAAAAIHAAAAAAAEDgAAAAAAACBwAAAAAABO4bzs+fXZlvRZ+jKPoviuLv8yy/BbkAAAAAIHDPkc2SpxVpHybRh2hr/vnZ+fkVHxcY8ezk5Wma7JeLjQt41lcAAAAABD4K8mx+K45ufznK8xs+LjBOZvHLgriT9HS/+HtB5gWpY+6AqaDS8QrQb8Bb/RwwgILwpQQezz+pk7KIyhWHMrRTSefz46o/tH+L6HyeHmPugGk5yOSbT4toAKAYOlsLoQtAI9rCmRTRbpok+UGe3Zwls9dDp6yrCHyVSl/t0xeEnsyypz5kB4Dp6D0IHPYAmO0iaAJfGNlAna+Ia90OJs+PbiTb99+rY3r+/PkPxeezWfbrWE6uVmR3IfPsNLuu/n2sPfBCgZHenFjkmxx+AIHDHoB2uwiWwMdS1HU7mCLK5pzGYRK/LVbV1Z9Q6nIu4KwwryBw2MOm2kWQBF6llH1MafQ1LjUtvaj4vlg0VNF5Or/z+5RJvCzii76rhXL8d/wq9AN6mv8LPb8dxV/G1PHQCBz2sJl2ERyBLxQ1OXw7tjD7joSbRWrlHrNqmBWxuS4eake/DFmEel+GP5NetF8Qt2mLZNFHD1Kt6xj7mLKvsNoy6Z/EJGMce35DI/Cp2IMv+h+KXUgJXOr7107gvhRojF241TW65SLbRYQfRd9UhRh6hUezK9yCrernmFmYdayux5b9uh2VzRhLhzMegdoQeGPxPTCRTsEefNP/UOzCRkYm3z8IgRfCG6MC2/e+2EfhvPKVjqj+b7rvVyu6MZxG6VyndVudjew3YYx9OJt1EPhye+fSaVbZovr/G7awcwr2sAn6vw67sCHwPuTZTVHvxq/ivZNXvgj+ZO+iP3f96Y9YWZgJr1aBND2vc2Rpmv7sk8JPIfqWyn4TxriMSkZKC0tkXzjT+UH+ky4iH2rxEbo9uOh/uR98+8/QbaOrXdgQeB8Zjdbwnh9IubrMkmtv4v3cmwtD8v34+FqSvRkmau7uEHTKov4bbYObdJvsA1eQpu7H0L606cG9LNtbpLAEimjb9thGLJF9qOO1HeMyVTlSCrXL4klnr/R2t7aLmSTzObacxtL/qRG4q11IfYTR91v4Das0EO3si2T7bOdJ/rCtk+qq3SalxZHHsg9MJJA/2Xm4nbw4W/cku0a76sQszm6ndx7pUm2LccbxJ1b+ZOxSAq8iEU5p6N3qUj3I8oObdL+or7aX+mO4orDxHUae9Dt30uyR6aY6G9n3Nd62PuqIoWynHPOKkNrTt7Zj5PYaa/qszE/9IaACybfiwqPVZ2TP8LK/tb1r0gdK4FRepsU0R/5t5E1lKJ3Prfu/nOvswdYfhqT/NgRu49dDswttRlXo+239hn4QjFBovv/xztV3OgKvVdkpBiqNOmrGrPTDVLRQEPjVncfvtL9jsdo2TbDLXruqULUJNRAfPR6n24eUGA9tn7sIh/ZJogfL/9NaRW/Xdqk/ZnlReagKXvuMGKSkQlgq+z7Gu7iEx9BHavzF+OuOLf4ex9HX4vdtUt02Y6Q3/tH9O25+6B396pW/tP+7u/HH6ntLh9sguqbNSyJz6nfUQkxVBsbLOaTzeX3nnxtR9C/9HVt/GJr+Swncxq+39d1Hu+AIXOr7XfykQ/p8JWATgZvSAVLoyFp31zdH4H3DhcDpxLSlUNrTfM3fMhlP9RvNyFoT8VbGINCDNgJ3abu6VY69JOGy3fYV+2X/GDlL74qXyL6X8V5mMUx9NEcaxGFbpHClY1Qd1WLbhDhWkwMqP0sf0BsNdbLh7J4jaolT5s5jn2bZ9VV1cXn8tGpTl2YXz6eGwG38oe6WSZ/13yYCl/p1Sd99sguOwKW+39VH26fPFYWREHjXPSGuL7qja0MQuO1ej27/rTTk+Ks6DlE67UL+dPymPnFHIrj702vO5XKOJXpgyiS4ti2Jdk1n8KnRrFb9evJ1lX1fspb0kVvd0zky2VuXMarjmD2Z/VZLnRPUjh0SQpHYNxe9cwTeVovCRXANHVIi8UamyWU+f7z9lymzJvGHIei/NLNpXti3+/WQ7IISuNT3d/EbzulzKYFL01xSAl8MNklzVqk9I3CT0uj2SnQVrDSlJu1TpUSS/SZ1xSfVA075urYtKRLkflvn/JsrasOlDJay72O80j52dVRdxqhGTWk2f0AXn7Zy6YPA26q9226IVI+ccelsl/k07YFL/WGI+m8b2Nj49VDsQt0DX75NIfD9XfyGc/rcFAnTiZ0nyR+uZ0ipMuvuJq/6Ti9z6XsP3KVYg457uR/GFKNxk96lgETnIKkcqSJK9aB9ZevedntqlP+O6RyurqDFVfZ9jFfax66OqssYa4WL2b09qT1XUS6XSmwn8NXn2iI2Q4Rnsmk14tZdFesyn8tiPUO1dps/DFH/u2YmTX49FLtQq9B1NsL5/i5+wzl9Lo3Aqyc3bSp4dRPdtqL2LQLnVtKF4W1tbf2tK0ZzOX9czM/97eS9/jIYJg1D3jenfbXRA93q1bVttRCFk0XxPV2KiRo0t7Jn56WHs9+dxivoY1dH1WWMKmG2ZV1q47rc99b1S+e86FhpH01RKkfeqo3QhbVakKcGJa7zacoMSPxhiPrfhcB1fj00u1D7UlaZy3y/q541CJxTCnr+TI1ydQReVXOqxrwcWH5ws5ho9ViJaaW8jAR3dz+2XZXqG4HTKLaalHQe54VizGbJa664oXG3bkv6ykTgNJ1WRR7qAyy0n7Z6oEszubTdWKlSMKmn5mckNUeMkytsspG9+cid/XilfeSIwcVR2eoXl01azQ+JktUTDGT/mYsa9RXnXAq4eWXlogBQKY4zHg9T6iuahUbNTJzrfFIdlPhD3c2KPup/HwQu8esh2gWNwCW+v4ufjFqVRlV6oixGAidGufptUkVJzoVqVziSc+MDVaHryFIfldWNj9v/1M6BsPgvnc+Pdd/jztfWz/DyxUFSPTDd/Wzbtq0sGmeRmUrl4t32+lYK36ZU9ibddRlvWx91Z33p9lBydPS0/j39lbu2+sVd+9iQfcMBrvqgO9NcOdriGJlpn1MlcJ382852Lx/k0ZwJ1xeE2c+nag8SfxiS/vdC4AK/HqJdqNkAG9/v6ie1RR0SSIvYWsnHtK9tKG4IgcDXDelxNBvY6sFSASf4GlkX3Z0S1jW/0nvD8RrZtGDj10Oa59GeE3V5v7btJjZpKkWXQrEly8FuYjNEu8EbluM7xpv4/nGoL+C5ONt1vQc+VQLHe+DhBEF92sVoBO7SsLqn4zKJ2qKW5d6QndPo0p+xol0vV5QdzuxPWTZtujtVrHNep0rgm2QP4nl29Oshze8oBO76fu06IpDVPpa9sfryNnnIK8qu7xi7pN8BzyNJ8v57r4sg4VHOUF+Cgz109+sh2cVoEbirEeI9cKCpxOX1lJBF2OBuJxuXAMJ0/rCHzbGLoAjcp6h3U/YjAWBzI7jpvDkPTDV4CYzA15ViwyrXcg4Wxw1kZzYBIEwCt785EQAG18+QCLzq/Jj7PJscfauVkKh8BQAA2BwEHwFzV85tUqS72I+5PIeoexIRAAAAAIFrMfTRmqHb8zXSra5pXC2kmq8qAQAAACDwjYWvkS49iwgCBwAAAIEDAUS6IHAAAAAQOBAgUWIPHAAAAAQOBEjgjb35gQr6AAAAABB4EPA50sU5cAAAABA4gEgXAAAAAIFPjMQR6QIAAAAgcAAAAAAAQOAAAAAAAAIHAAAAAMBn/A8CbBuODlxyYwAAAABJRU5ErkJggg==)
. (2.22)
Теперь воспользуемся равенством (2.19) и вместо
![](data:image/png;base64,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)
подставим в (2.22) функцию
![](data:image/png;base64,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)
, после чего получим
![](data:image/png;base64,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)
(2.23)
Равенство (2.23) и является искомой формулой обращения, позволяющей с учетом (2.17) по
![](data:image/png;base64,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)
найти функцию
![](data:image/png;base64,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)
. Однако привлечение этого равенства для обработки данных томографических экспериментов оказывается не очень удобным из-за используемой в нем области интегрирования. Принимая во внимание равенство
![](data:image/png;base64,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)
, (2.24)
получим окончательное выражение для обращения преобразования Радона (см. Приложение Б)
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAgAAAAA5CAYAAABAkpO2AAAAAXNSR0ICQMB9xQAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABl0RVh0U29mdHdhcmUATWljcm9zb2Z0IE9mZmljZX/tNXEAABFXSURBVHja7V09iBzJFe5LLrBOIPAJW8f2RpKRYRNtj0NhBWJuzpbEJVq8O4wTCQWLPMFpYTHiGCk6BRY4vDu445RJ4Mscnc6R7cCLQwcnWCVOV2Bw5Gjlqemu7qqa+u/q7uqZL/hgf2a66+fVe9979epV8vjx4wQAAAAAgPUCBgEAAAAAQAAAAAAAAAABAAAAAAAABAAAAAAAABAAAAAAAABAAIDeC0OSvEMg/s7+DQAAAAABAFYI94fpg7mhP02S9GQ0nV15uH99O02SN/nfktNs/OgGxgkAAAAEAPDwrFXoun2z6ehKmu09Xfw8m1wYpIPnc+t/lGyMvr/35Ml7T57ce2+Upi8IMcB8AgAAgAAAFjg8vHd2lCYv54b+LfWmuZ+z8Tddt3E6zO6yxv3ROLtB2sh6/YQkZMPp3T6QLMhdd8QW4wIA9msGBGCFQTznj9L0OTGu4yybTWazCzF609PhcIe0jSMAhfdfEoDZ5MJwON2Jdaz3suRZTqqy12xfgGZA5CFLktc8sc2OMfYAIEfhWLFO4Nuut1YxMU0qyenupd3p7NJCWWbjGfWk03T0gjWusUUAcmM6N6SHhx/0gQAsFlY6ejmdXr+aJslJOrz/wOY7Np9rGyQXow/5FiUBEIjiKirtGOUEiBc2a7hwWFafAEQR5ui4DayBJRMfm4KnOQBknGa72U3CUAeDwedJtveMhqr2svSpbdQi5HibnkUiKh9uZl9SzzM3TNl3Ok90kfAYwdaLCuMs+SZ2o7MOBCB2OQHihWkNrzwBIIo7D3l0GxYsFNVxVwO9eP/mh18SJUl+3k62X8YYJmXDU1RwiRD7nAIggh1Qjt66RC/KMS8iLtJ+9kCpL4ji7uwmCECH6wHGH2hoDa88AVh0MKIF1JVXxYaDcqWy92zVBb9NAuAc6Ui2j/qwT523NX0V68mLVSYAfZIToJ9reKUJQKz7mKRdbZKARTg9Hb2kCpJM+vz9B4eHkw9UHqrBGPYi0zpWApCT0v4QsJjbu8oEoG9yAsSrG1Wy5EsAQvezGdZTnCmPc3Hb72XXHYfNZPMH9l1VsR23bREy4QvSsMi6Nme5d33UpA0C4FpbIWfjyZsYiKnt/OTbMumbGKMAvgQg9qODMclJbPIYKxYnqzaS79v0qOuuYVcC4GoDOiEAYkJWlJ5LhFn4FgrppDw6YvBMFnUH8sVwKu7prwoBoHkd9CiNUGOBVDN8c33/4fbyguv+iKDL/JRGNkJv1IYAyEpLU8VXokg0jcpjW6OjpDHoixCg+UptEIAQa9iFALjagM4IQOzFYtgogGggYkcRPdAKzPwzB7mAVLkX1KNpc1G3tQVQGZNKYbPkgPY5lnC16/xUnk18Bsk0plReqbJivLRTAW/FI6d9i2r0FbHoi1UeM9Ua9tkCsLEBnREAEurYGgy+7kO5WNLWn/78wl/7FObLBUYdDqbV+0R2WAqgZ6g2ZgKg6nP592LRqT7Xtsz5zE8syUKeBKCsdJn/zm99VVti3c6NaY5WESH0xbpVfgy5hn3WtckGdEsAJlsfb7yf/aUXGdZz5bV17tw/tyaPPu6D4JmUbcUyl4XDhwDonhcTAVAxYsrIafvp57ryaurMT9dtD+Et67YGy0hBBFGOWMc6Jnlk5387SY/W5X6Q0GvYlQA0FZ2q7Q3S/83GF2//+OL4KxcPU/UsF2Zp0zbZZF4996O/XRzPbrclQC79EseBMk/jPpNEOHwEhxjQ4WSykyXpP5ogALJ5Vs296lm68LgYAfBh2y5trLN4TfOj80p1iUi6ZDtdP2w/a2o3+x1dFcmKrOkJgCnp00YPmPplKye+ussl2c73s03LYx0C4KOrbftYV57bXsMmWXO1Ab56q1ZYrFy88//NbqR3zmfTz2yEgO6jsJ3hEoQsQ3BMMobaC1Q869bGu39Ob8zudM0exbEpruE9oVfzklwFU+hHlyxmGgfVnNcJOesy97lrhpl9NKboEJGLAyqsqmep+sXKBJEv1wxhnzZaKw+P+SnXH6NcqiJb/F46W3SEbStNkiT9FxIoy+Qlpgpk/q7Dw7NMiP5UVhpapvSqypH5WjYprLL/GiJR7ruaIIyhy1zqdEkI3VVkcB+r5osFrwOqz8rkTZij4937w1+b8rBC6AtXAlBHV5v6WGXHVzpySZ7nssWPq1veSeg1rCIAvjbAV2/V2ndgQ7CPrp3/5Ez2u6cWi/2ES/6Zs/6lrErm7LwhXHeq2kOsFKTcs/jt5TNfqwiArbdhbQAsPOpqDNIT+hnuwhUNIy+NnEQAfRJH6tZLkBntapHywsmOIWeciv6qCEDZr0IxqhYAO4amMfBtozUB9JgfMZpRrkmmffkFU/mNk+y8MeuN+ztVMPSdzPdPab9Gg+Rb+p1qLVV6QEYAmLEp1rd5C0l28+Sy/pHcoin5nX2G81ym20dbSfJvVVvq6C5aXpsbb4akCvJwwOoAdm5F+VnIDjv+lgl8IfSFCwGoo6tNfeTySAp5k8nzeJTO6NyYSGdra1j4jq8NqKO3vMMeYgiWEIDz1x594uYR5wq8KJDjZXBk7Iprf1GGV/ze5PK7z2TtFYTVCNuLZ3QLijnfeSxdABaeVM7y8uNv1CAyAvXG5dRDaAJQGeZKsCvFyC/6KiScLw4ZAWDlR7xdS1TAtgSgThttxsR3fqQJjcwdDcvkh28ra7zJO+g7Ze2u3rXcLzGrXxsSdVCwC0WoIPxsQTGxjDZ9v6wfvnP5fpL81zSnrrpLZZTL8WTGSEWGZIRBZZBs125dfeGzBeCqq237qIqwsnNr8/m21rCMAPjagLp6y2rCZC8Wwx4uBEBUNnWMjU7Z6G7yUhGAJqBblKYQtW3mp+JsfAUHtptfguKfCc0abZUBFhP1VMpOWgdAkD2dDNgQgLptdAghOs8Pqzx2Z9NLEuKzBKXxFjx7l7Uk7tXrCIAtaSXKSyyWxWJ/f/8iNw6MTIqeYYi5PJMk/7MhdS66S7V+Sy+1ID8moyQaT5GI2ORb1JFHkXASg0UIAGsMTZFRV11t20clAdDIqE9GfYg1LCMAvjYghN4KEv73IQChshqrQeDZjqkoUSwEQPSspAtAMkaqhcZe4MMXybHPsg5JAFT9k3lAMkIkIwCigdEpTxsCULeNum2kuvPDE4DdKz6FgXRhZGsCUI5jPsaq9Wtbu4B+ziaCkrc/fcGFxeffla2pOnNpEwFw0V0udRxUekyn1MXwNzXGoeVRExWVE1HFHTA+utqmj/4EQD/XTaxhGQHwtQEh9FaQ8L8PAfBlYbaLzHQfQdsEQJo8IijVpf8XSSyiomMSwMwnA6jhUGyFNEkAdP1TLUDxOyIBUC12lddpMtYh2qhY8EHmh/X8ptPrV10TOoVQ4Yku+UxHAMRxV+kH2yQyl20m0ftXlVetN5c/+c/lC8m/bLd1bHSXyajrIiy2ciokg0qLKjWhL3y2AHx1tamPTRCAptbwUhLgZHLXxwaE0ltBwv81IgDHdbcAZJOf30cw/oPuezoCEDoJUGVQtScsTOTAsM/Kzp9tWDA0AdDt+S3eIdn7Fb8jEgBVv3XjoVvsIdroakxd5oeVEc6gOGQw5/uL2XeTSXZXV3nPjgDotwAsK1Y+sL0pVBYpUF2wUncub2XJC4cIgFF3uZxAUYVtbckE5yl75GW46ot6BMBNV5v62FQEoIk1vPT+a9kffWxAKL0VJPzvQwCmw+HOeDr6la9Ho5pMkpQxzIafmrzdNpMAVQZVt1dKyhWnafLK53x4lZjidulQaAKgC23Ndke/VBbUYENUAgEwe/rLMqsb5xBttF30PvPDtp1LflTU0Be9qcW7mPB5Eb7UH+u1OOssU642Ie/cm5cbf0V/DiQnDV43MZe2uQsuuqs8HlgcrZSNh7gPrHW62ByA0fiOs8EIpC98CwG56GrbPjZFAJpYw+L7twbptz42IJTecgpd6W4kMhEArjBIcWeAqDDI/8ej0Z3C87P2stnJtL3tL4YtAJlgFGeNH2TD4ae6Iz0qT6s6k8xnhcZEAMRjaGK4SzjK8tbGyHPKVlUaWDMHvm1UyWmo+REVVVU5rzIq9P0y5k++z7ZBMDQHSiMjGCuxP9JjgEJkcKl4EBk7oc3cKQbhki565p5zNCqva3GeeZxlM2Gv2nsuVXLiqrtUoWSx73kiXXWygdsrFiI00qOEc2InZp7nY6AmwaH0RQgCYNLVtn1sigA0tYZNBMDGBoTQrUoCIAqiUNyDE2bKYE0EYPHd+Xf2H97+2WBz9AWdEPY8N6usuIteDOFO+oyNjY2/2x7LiiIHQFC4dIzJhJfjQvaIsvFMGalgjoSx50HrFPIJdQywPDvN9G8hW3MjtdjPzvaelpUkCwW3JKDFs/iCMPJkIO4Ym5A1bDiy5t1GlZyGmB+VRy0p8lOAV0il9ywY81IZiOPEHBNi213mD7AXoEjGlF3LYpiffacK7JhUCo6XB44ACeNYdy5VcuKqu7Sha+EGS3GdlXPL9IGOv+Io2wldC6VXKgn/htYXvgTARVfb9lE8ikfluTwiJ6wBtnCTqsBS02u4fP+t0e99bEAI3SolAJR1bW4mP8iOFwkFMcqHmghApbT4kAn7PHZAuUxLgzdaMXe7fcVYCIBsy6E8VVEVx1CGmKTbFQ5joBvPUHUAlirWyStUKftJniWpeictuiIUojllDaLumtc6bdTJad350VUfW2qzMBZi9TTBy5S2iSWkHw2SP+mOFmoIwNLWmN22WtVG8YicVPEpFHBdeZPJiavu0uioU5ls+nyWjBEJn0/Hv/iNrXyF1Bf5/LuXCnfR1TZ9XLJHxf9lfSUyqZP/JsbM5jpgXxtQV9alBCAf0O0j171jn1MA1gMo8YBt9xVjIQB9uWCEehx1rnVu6zIgJzkqjFtTt+rZyKlfm9NXbV244lLAZ1Wvzm1aTtYdPrq6//K0vIZjueVTHqr32P+1KQXchDe6CMl4KF5dKeC2+xCNsDqUze0bAShZcUNXvTYxx75rEQQgXjlZZ/jq6j5DtYajJACmutwm5VHHa5R5okRg2D03+ne6Z1Meb/LIdLdNFozBo24LutDrKhCAJq4wVclpCGXZ9nWrIADNyck6IpSu7jPhUclRdASg7h3wIUOgVeUyfu+CrYpEEnJ8BcpUJTA2j7qHCz9KAlCS3EDenUpOQ3kObcoMd5+A4sjauhCA0HKyjgilq/vu/RsuuYqHAJQJVJ77M20YVT7Jy1/p6i4JitGjBgEI277YczLabp9we5oy8W+dCEAf5CT2KEoIXb2qshNtDkAdTIfZ3T6EzfqyJw8C0AwBiFm598XorAMBAAkAmpKZlSQAofMAmkJb+/8gAPESAAAEAAC6s0ErSADKbQCHOuWdKK41y0TtgACcxvgsoCECwFS3w9gAgFafvcMVIlolAkAQe/JMV94/FCSwggTgWFXMBwAAiW10yLPpJQEgMF3v2OUEdLGfx1Z6Ul3FGjtjFX8HmQEAAOh5RKKpB5NiGoQExGAoyjrJHVSgyllf7hlRr6kvRwIr4pKXIi2PiUXCXgEAAIAICQAlAV2HBeseb6wD2V3mC0LQg8Sp/J7uvad0DAfp4Pnc+h9x15Ey18wCAAAAIAAAa0SFOtBt13dfmnDhGlYZyOfEI52yKpF9OfUBAAAAgAC0iiL8z90sRrOnuwqf87dESVBESqbD4Q7bblnkgvRlOJzuYK4BAABAAIDICYAtxAhAeU0qc8QTBAAAAAAEALAlAD25bpTmAJAtgdludpNEBwaDwefkiGd1lhUFlQAAAEAAALkRjSwHwJ3A5FsD9Pgku4WAUwAAAAAgAIAEslMAi6N1KJ8KAAAAgACsNsrkucPDs/md2P2pAwAAAACAAAA1wFUChPEHAAAAQAAAAAAAAAABAAAAAAAABAAAAAAAABAAAAAAAAAC4f+gi97vVrzwUAAAAABJRU5ErkJggg==)
. (2.25)
Для выявления детальной структуры алгоритма восстановления перепишем
(2.25) в несколько ином виде. Обозначим
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAALUAAAAdCAYAAADsHC0qAAAAAXNSR0ICQMB9xQAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABl0RVh0U29mdHdhcmUATWljcm9zb2Z0IE9mZmljZX/tNXEAAAPeSURBVHja7Vs7ctswEMUBfAHPiO5yABmTNiXNybj2ROK4sseVh43rDK1OjS/gzmXOELdufAfdwHdIAiqkQGCBXQCkZElbbCOC5O7D2y8hsVgsBAvLIQmDwMKkZmFhUrOw7Aup7/PsQQjxJ8vvHxjI45Tl8u6kmIhXxQNZPl7uNanr+vpUCrH6bMbsGxFa2efAMJfiZVs8oGIXR+qqmGZCfAghV9d1fcpkDctuQs5fTCw54w2HXdQLHkt5yaVHHGb6pvSiz6R4vVsuTxirdOwSXsJROjxtZh9FVU9TSK1Kv3ORvZvPYewSSd2kAsNrWAg9CEBc3zUmdRx2aAPQNgGqfilm9Td1rcrl7TZBdU1aOh0dDqY3tLot/j4BX9vVd43IVVkV32Ve3aIbA+jZvZcYJGJJ7ZtUuHTA7Nzg24+iXbnwn2x9bMMyfAx2HhJtFF2Txw7/o3upRbQ1IFYXDHhxC2y7gfo9pnOY9vaeD2209j5Ko9c9D9iYljjU6UEMqfvktG3qSKgRDrOz/8w1dtC+lEVWW+QO6B9isPN49MZA9dvFmXymepgFIiJYw2lGGeVkvntcROv00kA1yQ+9s32OC2D1XMwGKDD46sUxyg8zgloR8eziWf1OtdOlvx6MKOtpY0M6djufPQZvCMEJXJnFbCwwkE0SuFK4IkSeV1ekNOpy7i3U1L5IqWy1nBex00lqTx0ck/VDsUPS/vZLjpiGAcs0OFjwWggHKO2G2KH3Kn2xdQjNeFhd7rIXysQUO+NJHRcwqdgRIuPnGd1RvBwjKkxaB6mxRsgBKiWr6HrO6tm0Tf1jRmqXwysCQyTD7ByD1ENgF/wVZ+eRGik/Qs4jYBkJc5BeNDM2EGuK9A9YlPJlWFJv7G30lPMnco+k2TNWpE7FrrfYHNWFRL0xG8W1bvmVGilRxl9dmvKAokD1TUQgcJv1RXkTFM0BXUNKpKHn1DqplB65zH+aGFHtHIvUqdhZBpsvWyux2xJEkUvNRyGDyqK4cY3zwAjakOL8d3u/r8wCx4JZ9ssklDkSxEZ1KSPSIUk9l9mTs1Ym2DkWqVOx83rALg/bNMr/A6WqZ1/0mkk3GHJCSrZwfsRB5s/QJro+1YIHcAY43ZhK6lavyWTy5tKBaic60kskdSx2whzXmOOTXR1a2nS6/Qiqz0Ax4+xGx+3hlLVtuq7Krz8oUwfQsRL7k1RS+1J7iJ3QF1h1HbJZccjG169DCnYHf3aABSD1gZ/b4Y0+ImmysCzrQ7eTN/uICK03yExqlr0TvbFTzfaxEJpJfeilRtfwH9cfOpgALExqFhYmNQvLluUv9W3kf9vMgcIAAAAASUVORK5CYII=)
(2.26)
и введем функцию от
![](data:image/png;base64,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)
и
![](data:image/png;base64,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)
равную
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAV8AAABPCAYAAABMFMauAAAAAXNSR0ICQMB9xQAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABl0RVh0U29mdHdhcmUATWljcm9zb2Z0IE9mZmljZX/tNXEAAA2USURBVHja7V1NixzHGW5dfIgsEFgLkVHvSQYn6CL1kJudhYj1KMiOLw7sDpMcLHQQyhzshcEY06tTdNEPkCHGe5MgueUkOafkEEN+gAKr5AdIp/wATaa6u7qrauq7qnu7e57DA5rRdk/1W089/dZbb72VPHjwIAEAAAC6BYwAAAAA8QUAAID4AgAAABBfAAAAiC8AAAAA8QUAAID4AgAAABBfAAAAiC8AAAAA8R1ppybJORawCQBAfIEWBJb9/ut7N2+kSfJ6/f2bEtnpfLl8FzYDAIgvEIj7++mXMnGthTedPr/78OHb5Lt8Mb2+m+y+mC7y67AdAEB8gRDhzWbf0895Pr+cJdmzg3zx3vRK8kOSpK9FoSUCnKbTp1SQAQCA+AIOKIQ2m+Ub36/FdTKZPC683uzwRHbtYZY+gvcLABBfwEd81yKb7S/uiN8/fHj3bZXXy3rM2ez4NuwIABBfIJL4FmEF4vVemf6gCi1AfAEA4gv4ii8JO+x+9O3d5fLCAy6kkJwkSbJK01tP5nl+WXbtYj+7g7ADAEB8AU+UC26HJzTNbP35iAgvWYSjMWEx/Wy5nL9biDYW3AAA4gv443iW3W5SzdZgsh+K/2PEuRDeJP0RXi8AQHyBTsU5O1WFIlojFXbXAQDEF+geVQyaCP/LroUfACC+wPZ63en0+WJx84M0SV6l+/e/hF0AoGXx7es0E9PfeDbQ3YfkG3+0m31LvV26+87G++1zHw2JP2JRpW3nvswefbFJtAcs44zdxxdNKAUgOd32HFeSEdH2fWTpbKpdeUPgztD4U7X1JbcYu8Y2c3+WJd+L9lDtAh2k+BYxPmbFva+dsM1T4C7Ed6zcGQp/TC86oF82Cr5BrJ1TXUwFSFu3VYD7KL5D23XXd/5AfM1aEmKj2CGLoHhJsa01O3wUg9TFDq0AYtvGdMZeYEb1/G2Kr4onur6IxZ3Ydhsyf2KI79BjxiYt8bFRky9PQjrxMnj0HZkkp1WcZFWhzhsVF1eCCFPGqVa+XtByefdCWVimiesojT/i8or5QfZx2U+bBXbaEl+GJyueJxTp65v3vr7BXhOLO7EwFv64CosoruTfdKt6jWrDzmBCCgYtcbVRVTflVa2DEePFxj+oEvZX4gOpirw4G4wWhfF8o7Dba8V7qgYQ8V5EQRi88AqLLSL52g47NIO26UdWmNm+iMWdSJ7SaPjjIizUQ6Ri0lTGExanaJ8O4DQUGy3xnR1Qe8UMk9mLL6P45Ltrk8l3MaZf9P4+IQdZ2zgiKap8ket++rPLfx/TKjB5Jp0N2xZfVV80L+9yQMTkTizujYU/HuJbb00vP/MZJ8yJKau+ZAiEaomv+JbOhbpkayviSz0almjH82ufXrmU/S3GtLFKM3L2enU1bE2Dh3TAtYsX/3VtfvzpWMTXtBjUtviqPIPGGyn7KSZ3QjBG/vgKiy4MVHvIA9itaKMlPjaqZ5Wakq3RxbeZyvIPlM+ufvbO1dmfXGNLstgRrdLlPc2WGMRkLEK2Dy7+5B9XZ/lnXZDCtCAVY2GDvCRDxFfWDsV3K7WQbRJf9HxduePTxrPmj65fdf2uexabv3URFvZact3+/uK3vlP5UI672CJUS2xsJP6G7ezcuU99pmX57fTznWzxRzeXvYlFkoMepwf5h+T/fOvM1gNEYuyaMJqO+OTKW39Nb+efty26dUzRhMBpXZkvq76HSnxJG7kTj5nYJ5OgToh3VJFoZWtvZiGrJq4rd3zaeFb8aTaM8DHT7CD/WNZeujhJxoSwcFkv+JF71gup5GWwXF4QDlCt47EuwlLXgDYIiqlQfwjHffo1VEt0NmLaUy2wpa9IbN8UcvDlp1WQWeyg472dL85nf7BKEyrv0TS8bEx47KT2tiQDxCY4/rv3z3+nEl/bt7hpoLNE2cwC4D+Hxg+L39JMi2Si2aTP8ITZ8KaoKKzvL7tPbe+1yFC7qMjowh3fNtpMDdvgj7hhpPiNNHkuW3CsBjj3PR349HeZ69/QZ5tOkr/QaxqhL8eTSXw3M5jM45A6YCpb+HLcp19/v59+E6olKhs1jkL6it6PzZ5Q8SqEn14xMTKAdvaOv7CPqzVTluK73cnjGPEjanzydmrq19ZGfK1bkZ6//9aJ7Bl4r8IMlefAbiAgxr+R3HguZAG8jLlg4yq+jTg2ZCvaVnhZQpipnnqWHoy8j7mBVno6zBH2rtwJaaOtXWPyR6yjvPkS4tvLCif5Hfq7srarMo64mOz6t23DDjbHTnG8kvRjCMd9+zV9J/lvqJbIbMTk8G5scdflDYfy06uDXAZQvWDHTL2iLjBs5pg20JBLJb6xcO/evaviwOQ6NGLw3rRAJIqvKh9SXBxTCOxKN0U3DWxb7oS00TZzJhZ/FC+gN6YaC7VwCh6ty1hkY7IH+cF1G/G13dRExGU32X2h8ix9OB7Srztp8p9QLRHFl72/7EWhCjnE4KdXB7mIbzPF0nsSrosEmx6M4HUZ6sm2Lb781DN9SjuCdkLMbaq6BS+Z+Io5njIxYAeNTnxFnphOUrblTkgbVZ5vW/zRxY/N3CjDErprteJbiwCx9+zXJvG14Qr7dzazCBeOB/XrJ9OvQrVEFF9Ve0xOTQx+OoccXMWXn2L5J2szCxn6rYNVdkbhBWjOLetKfEWPoHyOuPmCLuLLD1a+DbK0QvEaVnxVPAl9cYe2UcrZFvljs0BnCK280nl0OvHl+uD+3mxnZ++ZVcjB0FaXOha2HI/Rr6Fakud7P790PvsnsaOJM3ShU7RDLH56xYRcxdf0hrE2nKldTEqILn3GJL6xFtxk3oMpK6Ft8a3jh6q3uSxOy1zDhS8U/REasgpto0ow2+IPl5LpIAhlrDF7Np9nd3Q7yezEN3s5y/d+ZRJfm8XEMmXLrtKcC8dj9WuIlrDiq8rmMglsrOfwignZDCAx7UOVM+zh/UqN1SyU2NWFbXvBrbrXEWtsaoPYlbFcxFdH3Pxg+kvlhoNqwMrCF+LzhC7Whraxa/5wYRlFLQSxglvxe8xUvQp9rLSpb4ac5MXx3i904mvDk9KLlQuv4rmsOR7Sr2xmSYiWsOKr0zmyhTxNk3+7hBxc+ekccrAdQOTtJ06jSpfcbDCVZ6l6azd5i/yqo4/4xgLNfeR2BjaeVZHvN8uyPEbWRwzxFdOcxKkXHZD0Piae1LUexO3GAeLr0MbO+dPsBGvycWkbZN5QMT6YdggLMkdK8V3fV/VMRFh04iuGHET7FHYU2s5lbQgFhVw57t2vl5L/+WqJq/jS/sr2979R1fcI5eeG+DJEOWKnQLK3nWkAMWJwSu9B0zJsvD6uSAszDWv2o4tHo5d5di6pW22Kb9M5vLG5ARrxhAGnmC9dAGUGGXfuWnb4iNq2Io2Yv7jiedKkakm9TCb/1zrmG9jGs+KPZANFBV7Ua29RENKmKh1vMy7Vj2l7HS+unt0kvmw+thhaYH9bBdY+Phz36tfJb56EaIk25iu81OhLmNy3ttV8fkdcxAzl54b4So/bIPDI1aTxMiGp+42tsbi2yFcThWNB3E9CaEt86xVsid3Y8nQxc3xdsx02dmHJd+RIj51XplMJzyv2PRUg2/WCkDaeJX822i3YRdidVrddsjOubhcrErcmyZ9V6WuW4rsxFu1CbU1bQzju2q+hWqITX9mz0zYzC3vSMFQIP5VhB6vYq8eCm5+h2qvM31W2QxdwzfMNQeh9uuLOmPhjuynCJL7ApvieJbwHkMsWUe+BaiiTGALd9uIhwmd78VmJbxfcGRN/IL4QX44MbRbDprG4ye70cVtGGttxQkMR3y4KqY+NPxBfiG8n07lm1097R4n37RibGDBtWe6N+LZ8yOPY+MPVh5As0kF8t0x8hy5ehQBodi8NVnw9Skp2Lb5jePF1xR+hqpmxAh7EdwvEl8C3Dm8f0GYssPMOrFJazvoYoW3hTp/5A/HdEvHt0yGIrhhLvJct6JIfTD/UPVOfxHfI3OkzfyC+WyK+9fRxAKeabghWizHHLsFNSw25qn0S36Fyp+/8gfhuifjS6dcQTjUdo9frIZpv+nSfIXKn7/yB+G6R+BKIBUP6jDHFeseAIXFnCPyB+G6Z+BKQ7XRVxatzPfX6zumqNQFnh75zZ0j8oSGRmKdij2DGx9miqOXRk7BR1EHUZm5lECHJnnAIb68FuI/cGRp/NutpxDmcdfjcCq/l0WvxBQAAACC+AAAAEF8AAAAA4gsAAADxBQAAgPgCAAAAEF8AAACILwAAAADxBTw7HLufAADiC7QvsOz39YkI7MmqA6wsBgAQX6B32DiavBLXWniZ475JXd3dZPfFNlZ5AwCILxBXeJl96+Ve/+zZQb54rzhaPklfi0JbHM6YTp+O6UglAID4AsFhAxM4oZVUayLiOplMHhder6J+7rbWOAYAiC+gCBuYQevLqo7mKU67UHi97G9uc+UrAID4At5QiW8RVqDHjitCCxBfAID4Ar7iS48zXy4v8CGF5IScu5amt56o6uUO/TRhAID4AmcfssgOT2g8eP35iAgvWYRjTzlgrykq+xPRxoIbAEB8AX8Ux90oqvbTQyu5I1WS9Ed4vQAA8QU6Fed+Ht0DABBfAAAAAOILAAAA8QUAAAAgvgAAAEPC/wFi6CZ68cjzXQAAAABJRU5ErkJggg==)
. (2.27)
Тогда (2.25) принимает вид
![](data:image/png;base64,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)
, (2.28)
где при вычислении интеграла по
![](data:image/png;base64,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)
величина
![](data:image/png;base64,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)
должна быть заменена в соответствии с (2.26) на
![](data:image/png;base64,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)
. В целом, алгоритм обращения преобразования Радона можно интерпретировать как последовательность операций:
1) для данного радоновского образа
![](data:image/png;base64,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)
определяется его преобразование Фурье
![](data:image/png;base64,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)
;
2) функция
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEUAAAAjCAYAAADCIMduAAAAAXNSR0ICQMB9xQAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABl0RVh0U29mdHdhcmUATWljcm9zb2Z0IE9mZmljZX/tNXEAAAN8SURBVGje7VlNTuMwFPbs4QAg3Du0nu1oNlXJArYjtVV3IxYIZVOkLFiE7rrhAMMKrjFwAm4wEj1Be4YwcRL/xs9+tKQNokhekDb2e5+/973PLpnNZmQ/zLEHYVNQ8r9vYuxBqcaIkccckIwQtpik6dGXB+V2zM4IjZ7iuP+DErKkg6vplwZlPr84OO2we8GONJ0cMcL+YtjCwWwbgFcDOmXj27ONQIkH7HcUp139WQEMG6ehxQkbP7SRDWNGHqDNamzRotxaCoiukWyYnm8FlDSOupT0XtouxmWc9J9dBY3tAGGjx88gqq5Y0b7ENWD0yconZFvpIIhYZZkTutLZAlOr6DDkNZ/wTRuZGnTVv7zpub3Mbn1MklwcRifkWY8XEtUqz4XOFqxhe9MT1QHTF5MLnETPF/P5wY7a7XURrybygr0uYLjdKAFU+eG6SLGIWXfyuTYZ9N1tDWh9mTiwWWLjRcmjjI7+go2+Xo/iu7swa2rHTX3AgGLHjVyorhEuptiIr3PAXPfQ6SvdUFnbDEP08ZwNFh01IZPoKgDDoPCEby77vZJpuRBq9c+dZiWOfO5rLDguwQzlUQOlAg1XOrnrE7sHJSODCoCSJJPj6nvG+3ryRudDirbcFEfikARArEeUjtGKy9acn5ZBinoWV4DSpV736ZCd2yWqNAtfjiXLSqsgNlGx2m0h3gWKTTn5P7BzIVCgz12CbW8KVrgBb6VGSFNCoNiK7FN3DChiPpve8rkVMEajIEHWdCkzjafbVKJAgQDwtVxfEgqwOqBQx/K9oyWS+Zik5mCLYTrsss7pvZcpPqGFSiVUQlCC9qI1pjg0yvcONh4xBweNAzQYxL8wpg9VOhiD5HsPKp1SZKOfoNkKiKzPQSuBZa+hc1jQvIUSl2chRyBQkBAoVTda1kqn6Ebq/AIZOqjV8u+VcZpdLnS+c9p8Ppk8UGmtzS1Kyr+EnGNF82XxPEkO+TvGRTgb3YmkK0AMD2McSpPk2AIl42CrFqx8EKaVew+EmnCZw6p3re2JKwRjN6Crg9r8bhebuehufO5mYQbNvY4TbuiKr5lLJsxl+UdcSTZ2U97E9UETP5e8+zpykx3tEfqCETnsaZprxfdO9OcjL6/4nK44G/6JY3O2FEJIyROmta7DEleZN301OG3rz6u+2Ha6eBsB2Qoon3HsQXCM/xLZWh6THhx4AAAAAElFTkSuQmCC)
умножается на
![](data:image/png;base64,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)
;
3) вычисляется обратное преобразование Фурье произведения
![](data:image/png;base64,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)
и тем самым определяется функция
![](data:image/png;base64,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)
;
4) аргументу
![](data:image/png;base64,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)
функции
![](data:image/png;base64,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)
присваивается значение (2.26);
5) проводится интегрирование функции
![](data:image/png;base64,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)
по углу
![](data:image/png;base64,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)
.
Рассмотрим теперь иной вид формулы обращения по сравнению с (2.25). Обозначим через
![](data:image/png;base64,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)
импульсную реакцию фильтра с частотной характеристикой
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAkCAYAAAD7PHgWAAAAAXNSR0ICQMB9xQAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABl0RVh0U29mdHdhcmUATWljcm9zb2Z0IE9mZmljZX/tNXEAAAGDSURBVFjD7ZgxbsMwDEV5gFwgQLT1AonmdioCDblAbWTNYARecgDFm5ceImPP0FwlN8gd2tgpFZo2JaNAAA8MoCE29fX4ScmGoaoqmPKYNJwCTgrw9vt5hpYCKqACKqACCkH7tTk0gclhs1MK0JduaQCuNL4ZmYUT6pj1/jAakE5MDZsfNxKg99u5BbhwMDFm4c67up5FARvncNFm8gpW31vv51QM78dK/HDNXF3pl3j9mNsNgL2gJne40Y4CFkXx0hEjmbdl/8syBkhdoclI0HW9m7kFnLHUo3qwnWTMFwqhCO0VCTD0LytruM6SpIBJByX37qXpZj4E+HCvH4u9zVuEz0kCYkZUqBUXGp0C3hPpuxRrET4nCciFMEOpvBRQKm+r8+HeuKu8vMljBheg7mGGCJhb6+kuHAOIG4SXN7hH4kXAZHOzs2+wB3Gnkgq0ELf/Zfn+amz2GYMTAYPVAz3Cz6nULg4Ls6dN/yHQPQ/1ZUEBFVABFfCJgPp1SwH/OX4Bk68oiqh8pRcAAAAASUVORK5CYII=)
. Связь между этими функциями устанавливается прямым и обратным преобразованием Фурье
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAALEAAAA/CAYAAACvkyltAAAAAXNSR0ICQMB9xQAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABl0RVh0U29mdHdhcmUATWljcm9zb2Z0IE9mZmljZX/tNXEAAAacSURBVHja7Z0/j9s2GMa5J1tR4A6IMvWADl1ieW2mQhGKzAf4DE85ZDgEWjIHOm+35AM0W7ZmyNwh+QQHdOuS4dqxSz5At9SUTImkXlKSSZ1J+xkewHeWZevlj+8/UjZbr9cMgmIWjAABYggCxBAEiCFADCNAgBiCAHEQepUlrxlj3xhLvuZF+aQs8icJY1/r/7Fv6fL6OewEiINVBWx68bZ6XK5O58n891nCbtmj/PPLm5uHNzcvH+ZJ8oHDDXsB4iBVZOmlDOj1Mn2ue18OepoVl7AXIA4U4ux8VZanCsRbL9xAvPHQWVacw16AOApPfJGy94yldzLYgBgQR5MTi1RiPp//xtKL9y3YydvQc2I+0VLG7o6tGPV6smWev5BDsFBVGOXLFyEbQsDLlWSvXrceOVwg6o5KHTG4jZ89Tt+J6CG6LccAsleD2gzGIRFwQBN44UX+VI4UleN4xD7L0WSKCBZCsestjA3JF5dpWsp5JjStqkiiQdzAvY0wHUnHt+lJ7e2baLU5pu6jJ19CSLEmKYxCn7nRe10p9zVFPwGr/Lzc7xYOxdQDp9qMetoVSqrlfAJuhCzN3lC5sMuxwedhm8Hb57n0HJgsVpP8g9ImLBZni6I8qyZBuizNx6letgJ366HF5Pg+YX+Hkh56reyHhbjwq/wYIO6zu83OcuTkKUfHW28gFYDqf4so8B1L/gllHL0UdGNm5Njj99+tqPdShAaxzY62IruC8PGzd9zz8sczNvuk9MM1L6wfw58/ZQ/+1ReDooZYn8mD4JiwYvadc5pyvn1CbNvLoXeBOHT5onxKAU6Nhb5aqb++KhYfsP9CckTO+fDYjTH1TJ/dhtylGNIO3CfEjXdcZefUng9V7cqjDigHkl+nnCPX56hfU2+GSv4QxXj13OmPf52w9M9FWZzZcvJ+B6GuiO4N4tqYye2hQTwk5dknxHKrS/7MtpYZ1RJrX9MCpbbg0jsOa/P35lx9aZZ93NutrT6jsXtRNxLIXcC/bwkPFXJhF6umWEn0UPyYwwLVUhPhJOTlUGqRABB7tO1IL75XiCmPFg3EPdU3IHYomD13NiaBuE3euzMOEB8vxCKf9t3ZsHcepDV2Dp3+IXSI9daUvivMN8TGYsayH2BQx4VftwPEShGjbOdsd8XJNjGdq9tt8FfRT+51lUKudmZDUomxtjNC3BhPGki+1j6bsU9yUm7yxAIuasb5gli+qD6Nea928tqBocBTJrFh4ijHbO2rn4tqQzWDG3iPvbVfCyt1zb5sR0JMAazOEK3vqA02dRHUB/lpnnwcCqE+IeSGfWdFyXGS7Apxax/1uikbyd6Gf075XCZYY4DY1gO2OjYH23UgtuWyVG+SarE1b2KZca4ttqurqx+Uz6X3Sx0Kh10gNu0qMw2OnKrxQRXnsr33FFX9NB6Yjnymz+9quw7EIkRTs0U8p7wRAaRtxpnAdzKctGKob1a5L4ib3Fzzks3/tUmlD7g4l6mHahuXUGSyQV+d4Wo7BWIqXegLEyaIbB7DJ8S6F66jhZu3GguxLXpRE596DT+Get827w/XA/fZwNaV8GE7BWIqXRgyy+QNQH2pBAWeK2zyRQ5ZpPANsamGsKU2+mv4486yrOel2ftonVGfd1CK6mA7BWJTGkAl0vqbqS03e9gTxw9ujxnaKvpFCmO5htyxENsmuH7fmzEcbh7bQAhdthSS72tOEvZlTCoxxna9EItl43zOPpoGVd6cLSfv/LVFcX1CXZRraKRyR30C7Xo/39g+sWkgxOQ33t4jHa94YsP7Ul/oEjrEVRcpy97w66IA92E7OifeGqot2pa/2pYKBehFuTgTxxXXxQm1RdPH7Um9hYCH+77GrNhR8AngiuKXn+W7L4yDsD1XkwNLz9/HXcvOOTFhA7HloHE4q9Wl2O5pe91Y23W6EyoI6h2utjBd3+6yhd1SiLjeKGrzkn1pz1QQKwYmcll1UYaOZvK5uos4YRd1fU6ktQ197a62W68H7J0YtFQobaq2Sf/Os6AHBHsnopGX/LD1xnbQY/kuswpibMU8DIhFiB5S8dvy3b7by0NsGWFT/AFAPGTh4pDU9DP5t9sQ7R1AHBHEpu2UMfYvdyoaB14rII4knYAAMSAGxIAYEANiCBBDgBiCADEEAWIIAsQQIIYgQBy58MPlgDhq4YfLAXH0wg+XA+Lg1PvVV9rGH/xwOSA+OE+MHy4HxFHnxDH/cDkgPnLF+MPlgBiCADEEAWIIAsTQcel/6adschU/IFkAAAAASUVORK5CYII=)
(2.29)
![](data:image/png;base64,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)
(2.30)
Заметим, что функция
![](data:image/png;base64,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)
обладает свойством
![](data:image/png;base64,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)
.
Подставим в (2.25) вместо
![](data:image/png;base64,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)
правую часть (2.30), а вместо
![](data:image/png;base64,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)
- (2.17). Тогда получим
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAtCAMAAACtW3pGAAAAAXNSR0ICQMB9xQAAAANQTFRFAAAAp3o92gAAAAF0Uk5TAEDm2GYAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAAZdEVYdFNvZnR3YXJlAE1pY3Jvc29mdCBPZmZpY2V/7TVxAAAAD0lEQVQoz2NgGAWjgAoAAAJJAAEMrHXpAAAAAElFTkSuQmCC)
(2.31)
Интегрирование по
![](data:image/png;base64,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)
дает
![](data:image/png;base64,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)
, а последующее интегрирование по
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAVCAYAAAByrA+0AAAAAXNSR0ICQMB9xQAAAAlwSFlzAAAOxAAADsQBlSsOGwAAABl0RVh0U29mdHdhcmUATWljcm9zb2Z0IE9mZmljZX/tNXEAAADDSURBVDjLY2hsbGQgBTMMrIby8jReN2O32rSODh6CGoCAMcqYYaGsW04xXhtACsvLY6WMGRjuMjDIvnHJqjbCqaG+PlYSqPAOUNM/IP4Ppf8h24LVOTlussUgDejOwaqhoyONx0OGYQ/IOR559YYENdTneRjKMjC8YZDx2IMcOjg14HMOhgZCzsEMJQLOwdDQEG3sg885GBpAMQtzDihZ5OU1SODUAI20u2Dn1KdJesjKrsQbrKixLPuaKE8PgQyEDQMACulp2g+hk2QAAAAASUVORK5CYII=)
приводит к выражению
![](data:image/png;base64,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)
(2.32)
Выражение (2.32) отличается от (2.25) тем, что в последнем участвует преобразование Фурье радоновского образа, а в (2.32) сам радоновский образ. Алгоритм (2.32) можно представить как совокупность трех последовательных операций:
1) вычисляется свертка данного радоновского образа с функцией
![](data:image/png;base64,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)
;