qujianguji

cdma系统matlab仿真程序，信道包括加性白高斯噪声，复合加性白高斯噪声，瑞利衰落，频率选择性瑞利衰落，双信道瑞利衰落。直扩调制，直扩解调。20段小程序，很不错。(cdma system matlab simulation program, channel, including AWGN, complex AWGN, Rayleigh fading, frequency selective Rayleigh fading, dual-channel Rayleigh fading. Direct Sequence Spread Spectrum modulation, demodulation DS. 20 small procedures, is pretty good.)

说明：  提供两个点坐标，可以利用本程序，计算两点距离，简单好用。(Coordinates of two points, you can use this procedure to calculate the distance to two points, easy-to-use.)

说明：  飞行模拟转台伺服系统仿真 S为信号变量 1为正弦 2为阶跃 3为方波(flight simulation turntable servo system simulation S signal to a variable sinusoidal Step 2 for 3 for the square wave)

一种基于图像特征点提取及匹配的方法 (A method based on image feature extraction and matching)

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小波变换和编码功能，包括其他更多的外来转变(Wavelet transform and coding functions, including other more exotic transforms)

matlab description to calculate matrix add sub etc.

不同信噪比下的信道仿真，只是M文件，是不同的仿真(Different SNR channel simulation Different SNR channel simulation Different SNR channel simulation )

％WAVETEST Example Matlab script for WAVELET, using NINO3 SST dataset ％ ％ See "http://paos.colorado.edu/research/wavelets/" ％ Written January 1998 by C. Torrence ％ ％ Modified Oct 1999, changed Global Wavelet Spectrum (GWS) to be sideways, ％ changed all "log" to "log2", changed logarithmic axis on GWS to ％ a normal axis. ( WAVETEST Example Matlab script for WAVELET, using NINO3 SST dataset See http://paos.colorado.edu/research/wavelets/ Written January 1998 by C. Torrence Modified Oct 1999, changed Global Wavelet Spectrum ( GWS) to be sideways, changed all log to log2 , changed logarithmic axis on GWS to a normal axis.)

实现了图像的一些基本运算，包括高低通滤波(Realize the image of some of the basic operation, including high and low pass filter)