FFT_all

与奥本海姆 的《信号与系统》经典教材配套的习题解哦(Solution Oh Oppenheim " Signals and Systems" classic textbook exercises supporting)

more tools to filter ecgs MIT-BIH arrhthymias.

说明：  一个对图片进行处理的小程序（MATLAB）(a small program to deal with pictures)

matlab关于模糊pid控制的资料，很不错。(matlab on fuzzy pid control information, very good.)

信号被窗函数截断，并做频谱分析，比较汉宁窗、三角窗等的特点(Window function signal is cut off, and do spectral analysis, comparing Hanning, triangular windows and other characteristics)

cohere(x,y,M) computes the coherence function using successive DFTs of length with a Hanning window and 50 overlap. (The window and overlap can be controlled via additional optional arguments.) We see a coherence peak at frequency cycles/sample, as expected, but there are also two rather large coherence samples on either side of the main peak. These are expected as well, since the true cross-spectrum for this case is a critically sampled Hanning window transform. (A window transform is critically sampled whenever the window length equals the DFT length.)

说明：  无线传感网络节点分簇算法的研究，包含leach分簇(Wireless sensor network node clustering algorithm, including leach clustering)

TURBO码的MATLAB源程序，包括流程和子程序。(TURBO MATLAB source code, including the processes and routines.)

给予QPSK调制的awgn信道调制与解调的matlab例程(Give QPSK modulation awgn channel modulation and demodulation matlab routines)

SVM MATLABSVM MATLABSVM MATLABSVM MATLAB(Support Vector Machine SVM and nuclear assembly MATLAB function)