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Richardson
里查得森(Richardson)法解偏微分方程的程序。解的是定步长的抛物型偏微分方程:
du/dx - a * d2u/dx2 = 0
在程序中可以更改 a 的值以实现不同系数的解。由于它是一种显式格式,解的结果不稳定
在Matlab7下面运行发现竟然有一些值达到十的几十次方,这是算法本身决定的。不是程序有错误(Richard Anderson (Richardson) Solving partial differential equations procedures. Solution is scheduled to step parabolic partial differential equation: du/dx- a* d2u/dx2 = 0 in the procedure can be changed in order to realize the value of a different coefficient of the solution. Because it is an explicit format, the result of instability in the solution of the following Matlab7 running even found some value reached ten dozens of parties, this is the decision algorithm itself. Not a procedural error)
- 2008-04-20 23:22:00下载
- 积分:1
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tuxiangchuli
对图像进行预处理,然后进行经典的阈值分割,形态学分割以及种子区域生长。(Preprocess the image, and then the classic threshold segmentation, morphological segmentation as well as seed region growing.)
- 2012-12-30 10:08:35下载
- 积分:1
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my_PCA_KNN
用于人脸识别的PCAKNN算法,算法可成功运行。(a useful program, )
- 2011-09-05 20:34:53下载
- 积分:1
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MATLAB-code-for-use
matlab实用程序,可以直接拷贝复制,主要是图像的处理(matlab code for use)
- 2013-12-20 16:13:42下载
- 积分:1
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Dean_PLL_2nd_loop_filter_org
Dean 的PLL Performance,Simulation and Design 这本书里2nd 滤波器PLL求解的matlab程序(Dean of the PLL Performance, Simulation and Design This book 2nd PLL filter matlab program to solve the)
- 2010-09-15 00:13:10下载
- 积分:1
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latex-style-template
A program on Correlation
- 2013-12-09 18:29:13下载
- 积分:1
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exp1
说明: 捷联惯导系统放置在室内测试台上做静态测试,测试时间4500s。
1)取前180数据做粗对准(解析对准法);
2)取第181s~900s数据做精对准(Kalman滤波法);
3)从第901s开始做纯惯导解算;
4)用国军标的导航系统位置精度评价方法评估系统定位精度(分别计算CEP50 和 CEP95 下的定位精度)。(The strapdown inertial navigation system was placed on the indoor test bench for static test with a test time of 4500s.
1) take the first 180 data for rough alignment (analytical alignment method);
2) accurate alignment of 181s-900s data (Kalman filtering method);
3) pure inertial navigation solution is performed from 901s;
4) the positioning accuracy of the navigation system is evaluated by the method of position accuracy evaluation of the national military standard (the positioning accuracy under CEP50 and CEP95 are calculated respectively).)
- 2021-03-28 16:39:11下载
- 积分:1
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matlab-engeneer-analysis
matlab 工程分析教程,适用于利用matlab进行电信、网络等方向工程分析人员。(A teaching material of engeneer analysis in matlab.)
- 2011-02-10 17:17:32下载
- 积分:1
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function-in-matlab
介绍matlab中各种运算函数,方便基本函数的查找,方便编程和仿真(Introduced the a variety of arithmetic function in the matlab, convenient the the Basic Function in to find, convenient the programming and simulation)
- 2012-06-19 13:50:16下载
- 积分:1
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SemiNonLocalMean
利用semi-nonlocal-mean filter 去噪(semi-nonlocal-mean filter)
- 2013-05-03 23:20:30下载
- 积分:1