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FSK调制解调MATLAB源代码FSK，很不错，值得看看(FSK modulation and demodulation MATLAB source code FSK, very good, worth a look)

求弹簧-阻尼系统的固有频率和固有振型，并计算系统的响应。(The natural frequencies and natural modes of the spring damping system are calculated and the response of the system is calculated.)

本程序设计了常用的几个坐标系的转换，从WGS—84与PZ－90坐标系的相互转换，以及空间直角坐标系与大地坐标系的转换。(This procedure has designed a number of commonly used coordinate system conversion from WGS-84 and PZ-90 coordinate system conversion, as well as the spatial Cartesian coordinate system and geodetic coordinate system conversion.)

periodogram in a white noice

PCM编码/解码的实现，采用A律13折法进行量化和编码/解码。(PCM encoding/decoding implementations, using A-law 13 to quantify the folding and encoding/decoding.)

说明：  进行联合概率数据互联方面的仿真代码，亲测有效(This a document about JPDA matlab code about object tracking.)

说明：  基于高阶累积量特征参数的的通信信号的调制模式自动识别matlab程序(Modulation Recognition of Communication Signals Based on Higher Order Cumulants)

AM/PM信号的调制解调算法仿真MATLAB源码(PM signal modulation and demodulation algorithm simulation MATLAB source code)

caculates the ber for CBPSK, DPSK, and Coherent GMSK for fading and no fading usinganalytical means.

gabor的一维函数的虚部和实部图像的分别显示。(gabor function of the one-dimensional virtual images and real part of the show.)