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自己用matlab编写实现的一个k近邻算法，并有训练和测试数据，能运行。附有注释，简单清晰。(a k-nearest neighbour algorithm developped using matlab.)

瑞利信道下的多普勒时延的简单仿真。matlab源码。有图。(Simple simulation of the Rayleigh channel, the Doppler delay. matlab source code. There are Fig.)

OFDM信号在无线通信中会受到多普勒频移的影响，从而影响了OFDM信号的正交性，引起载波间的干扰和OFDM信号符号间的干扰，本代码先形成含有N个二进制码元的信号，而这个信号的前半部分和后半部分的信号是一样的，然后根据把这个信号调制成OFDM信号，最后接收端根据这个OFDM信号估计出多普勒因子(OFDM signal in a wireless communication will be subject to Doppler shift of influence, thus affecting the OFDM signal orthogonality, causing interference and interference between the OFDM signal symbol between carriers, the code first formed comprising N binary symbols signal, and the first and second halves of this signal is the same signal, and then the OFDM signal according to the estimated Doppler factor modulates the signal to the OFDM signal received, the last side)

code for watermarking accuracy rate in watermarking

this is the part 5 of lte

fusion method for panchromatic images

用包络解调的方法解调ＡＭ的已调信号，解调过程要比一般的相干解调方便很多．(Use envelope demodulation methods have tune AM demodulation signal demodulation process than ordinary coherent demodulation convenience.)

Matlabcode blowfish crypt al

单负材料的透射谱分析，其中的设置了角度变化从0度到90度。可以发现透射频率随角度的变化规律。(Single-negative materials, the transmission spectrum analysis, which set the angle changed from 0 degrees to 90 degrees. Transmission frequencies can be found with the variation of the angle.)

The matlab program is effective to be used for fringe processing. It contours strain distribution using an interferogram.