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FFT实践及频谱分析,帮助理解FFT及谐波处理的一些问题(Practice and FFT spectrum analysis, FFT and harmonic treatment to help understand some of the issues)

根据流量特性中临界和非临界来计算对应于不同情况下的流量值以及相对应的压力(According to the flow characteristics to calculate the critical and non-critical cases corresponding to different flow values ​ ​ and the corresponding pressure)

任意采样率变换，使用sinc（）函数作为理想插值系数，可以设置滤波器延迟（阶数）(Arbitrary sample rate conversion, the use of sinc () function as an ideal interpolation coefficients, the filter delay can be set manually inside the program(order Taps))

已知离散的坐标数据，利用这些坐标点进行椭圆拟合的程序(Known coordinates of discrete data points to use these coordinates ellipse fitting procedure)

数学交互界面，可以实现求解线性方程组，三维绘图，二重积分等(Math interactive interface for solving linear equations, three-dimensional drawing, the double integral)

I want to sent a good PSO codes for matlab

通过simulink中的示波器波形计算近似熵(The oscilloscope waveform by simulink approximate entropy calculation)

CS重构算法OMP算法。matlab源代码，。(CS reconstruction algorithm OMP)

人脸识别的经典算法——直接LDA算法的matlab实现，效果很好，还可以计算识别的精确度，实现了剑桥大学orl人脸数据库的人脸识别(The classical LDA algorithm directly face recognition algorithm matlab implementation, the effect is very good, also can calculate the recognition accuracy, the realization of the University of Cambridge ORL face for face recognition)

一种快速图象中值滤波算法 北京理工大学学报转载(A fast image median filtering algorithm Beijing Polytechnic University Journal reprinted)