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Matlab Code For Iris Recongnisition

比较matlb理论计算与comsol软件计算米氏散射，对表面等离基元感兴趣的可以关注(More matlb theoretical calculation of Mie scattering with comsol software, such as from the primitive to the surface plasmon of interest can focus)

由ziegler-Nichols公式设计PID控制器(PID controller designed by the ziegler-Nichols )

个给定一段信号，采用不同的方法实现QPSK和OQPSK调试信号仿真(A given period of the signal, using different methods to achieve QPSK and OQPSK signal simulation debugging)

利用MATLAB编写的神经网络源程序，很实用(using MATLAB prepared by the neural network program, a very practical)

QPSK发送机，信号源为随机二进制序列，经串并变换后，转换成双极性信号发送(QPSK transmitter, the signal source for random binary sequence, series and transform, change the polarity signal sent in pairs)

用窗函数设计数字滤波器，对所给出的含有噪声的声音信号进行数字滤波处理，得到降噪的声音信号，并进行播放试听。(Digital filter design, the sound signal containing noise given digital filter processing sound signal to reduce noise and play audition.)

This is a program for Binary Genetic Algorithm

3、 瑞利信道中的调制解调、信道估计： (1) 请推导出单径瑞利信道中的BPSK相干解调的理论误码率性能，并画出比特信噪比与误码率的关系曲线。 (2) 在单径瑞利信道中，请设计一种时分的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与误码率的关系曲线，并与(1)的曲线进行对比。 (3, the Rayleigh channel modulation and demodulation, channel estimation: (1) Please derive the single-path Rayleigh channel coherent demodulation of BPSK BER performance theory, and draw the signal to noise ratio and bit error rate curves. (2) single-path Rayleigh channel, please design a division of the guide-assisted channel estimation method, using Simulink simulation, measurement of the BER performance of BPSK, draw-bit signal to noise ratio and bit error rate curve, and with (1) of the curves were compared. )

说明：  BT法估计功率谱，由自相关函数来估计信号的功率谱(BT power spectrum estimation, by the autocorrelation function to estimate the signal power spectrum)