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Generate_SystemMatrix
本程序在matlab中运行。
Generate_SystemMatrix是一个计算OSEM,MLEM迭代图像算法中系统矩阵的函数,其用法Generate_SystemMatrix(pixel),为所要重建图像的大小,一般为64,128,256,pixel也大运算越慢。
里面的diedai-test文件是一个简单的MLEM重建算法,其中要加载SystemMatrix矩阵就是Generate_SystemMatrix(128)的结果,注意如果要运行diedai-test,生成的系统矩阵名要保存为SystemMatrix,否则出错。
testsino是一个正弦图实例,就是MLEM算法中的投影矩阵,机算是数据。(This program is run in matlab. The Generate_SystemMatrix is a calculation of the OSEM, a function of the system matrix MLEM iterative image algorithm, its use Generate_SystemMatrix (pixel) to rebuild the image size, usually 64,128,256, pixel also large computing slower. Inside diedai-test file is a simple MLEM reconstruction algorithm, which load SystemMatrix matrix is the result of Generate_SystemMatrix (128), pay attention to if you want to to run diedai-test, the generated system matrix is saved as SystemMatrix, otherwise an error. testsino instance of a sinogram projection matrix MLEM algorithm, machine be regarded as data.)
- 2020-12-08 14:39:20下载
- 积分:1
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Riemann-problems
求解Riemann 问题精确解的Fortran程序(Exact solution of Riemann problem solving Fortran program)
- 2014-06-10 00:08:48下载
- 积分:1
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SDCS
用matlab实现的改进的布谷鸟算法——SDCS,它是将最速下降法与CS相结合的(Matlab implementation of the improved algorithm of the cuckoo- SDCS , it will steepest descent method with CS
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- 2020-09-25 10:27:47下载
- 积分:1
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kemodel
一个对Fluent中k-e湍流模型的修正udf程序,c语言(One pair ke turbulence model in Fluent udf amendment procedures)
- 2021-01-02 15:38:57下载
- 积分:1
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FFT_16pt
说明: 利用MATLAB实现了16位快速傅立叶变换,并与自包含函数进行了比较。(The 16-bit Fast Fourier Transform is realized by using MATLAB and compared with the self-contained function.)
- 2020-06-18 10:40:02下载
- 积分:1
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FEMCalc
应用于高速碰撞的相关子程序,考虑了在高速碰撞中单元畸变的沙漏模型。。(Related subroutines used in high-speed collision, taking into account distortion in high speed crash in the hourglass model unit. .)
- 2010-06-24 17:39:20下载
- 积分:1
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createTS程序及说明帮助
使用ABAQUS软件进行过渡网格划分,帮助用户建立良好的过渡网格的小工具(use the ABAQUS to divide the transition gridding)
- 2017-06-23 16:21:35下载
- 积分:1
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Optimization
约束最优化方法--最速下降法(也叫梯度法),是人们用来求多个变量函数极值问题的最早的一种方法。(Constrained optimization methods- steepest descent method (also known as gradient method), is used for multiple variables function Extremum Problems earliest methods.)
- 2008-12-18 18:14:07下载
- 积分:1
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sw_pres
根据海水的速度 密度 温度 盐度等计算海洋各处的压力数值(Speed according to the density of seawater temperature and salinity values calculated pressure throughout the ocean)
- 2013-10-10 16:36:37下载
- 积分:1
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模糊指数平滑
说明: 模糊指数平滑算法源程序,进行预测 计算.(fuzzy exponential smoothing algorithm source for projection.)
- 2005-09-04 23:32:05下载
- 积分:1