System-analysis-and-design

approximate the integral of exp(x)/(1+exp(x) )* N(m,ss)

做的关于弹性波的数值模拟应用的PML边界对于初步研究地震波传播理论的人有很好的指导意义(sdfgweryytgw4e6tuwsdfg)

本程序实现多模态故障检测与故障诊断，用的方法是LPP_GMM_FJ，GMM是用的FJ算法，效果很好(This procedure realize multimodal, fault detection and fault diagnosis method is LPP_GMM_FJ, GMM FJ algorithm is used, the effect is very good )

Huffman coding uses a specific method for choosing the representation for each symbol, resulting in a prefix code (sometimes called prefix-free codes , that is, the bit string representing some particular symbol is never a prefix of the bit string representing any other symbol). Huffman coding is such a widespread method for creating prefix codes that the term Huffman code is widely used as a synonym for prefix code even when such a code is not produced by Huffman s algorithm.

解二维possion方程，利用pcg方法求解第一类边值问题(Solution the dimensional possion equation, using the pcg method for solving the First Kind Boundary)

说明：  希尔伯特变换代码，用于求解超声波形包络线。并且有平滑处理(Hilbert transform code for solving ultrasonic envelopes. And smoothing)

说明：  主要是介绍卡尔曼滤波器的原理，并形象地说明了实现过程，最后用matlab实现了这一原理。(Mainly to introduce the principle of Kalman filter, and vividly illustrates the realization of the process, and finally use matlab to achieve this principle.)

This PDF is about adaptive filters that is with matlab and is very usefull

两种滤波反投影重建方法的比较Filter back projection ct image reconstruction(Filter back projection ct image reconstruction)

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