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This code is about plotimaging in seismic data.

说明：  无线传感器网络中一种定位技术apit协议的修改于实现(APIT)

功率放大器的线性化技术研究的无记忆SALEH模型(mummemory SALEH model )

gram schmidt algorithm to compensate i and q channel imbalance in noisy channel

pid tuning by using PSO algorithm

部分实现了追踪测速迭代松弛算法，有循环检测，周期性检测，处理信号的时频分析。( Partially achieved tracking speed iterative relaxation algorithm, There are cycle detection, periodic testing, When processing a signal frequency analysis.)

模拟OFDM系统，根据不同的信噪比，测试误码率(Simulated OFDM system, according to different signal to noise ratio, bit error rate test)

Scale Invariant Feature Transform (SIFT) has shown to be very powerful for general object detection/recognition. And recently, it has been applied in face recognition. This is the matlab code.

Wiener filter based on tracking a priori SNR usingDecision-Directed method, proposed by Scalart et al 96. In this method it is assumed that SNRpost=SNRprior +1. based on this the Wiener Filter can be adapted to a model like Ephraims model in which we have a gain function which is a function of a priori SNR and a priori SNR is being tracked using Decision Directed method.

空频域联合滤波 在频域求极化参数 点频对消(Joint space-frequency domain filtering seeking polarization parameters in the frequency domain)