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说明：  用MATLAB仿真的数字下变频程序，变频，滤波未用matlab函数，而是用代码完成，便于移到DSP或FPGA上。供参考。(Using MATLAB simulation of digital down conversion process, conversion, filtering is not used matlab functions, but with code completion, easier to move on a DSP or FPGA. For reference.)

说明：  一个neural network的matlab源程序代码(a neural network to the source code Matlab)

输入图片，求出图片的偏振度以及偏振化方向(Input image, calculate the polarization degree and the polarization direction of the picture )

30个案例分析 神经网络的30个案例分析一书地29个案例(30 case analysis)

matlab运行环境下可以运用人工鱼群算法实现对模型优化的程序(You can use the matlab runtime environment to achieve AFSA model optimization program)

this code have the solution of a neural network book.

applies soft-threshold t to all elements of x and computes SURE

一个多目标跟踪的matlab代码，里面附有说明文档。其中背景差分法可以实现实时更新。该代码在检测与跟踪少量目标时效果很好，但是跟踪目标大于8后，效果下降很多(A multi-target tracking matlab code, which accompanied by a document. One of the background difference method can achieve real-time updates. The code detection and tracking at the time a small number of very good goal, but follow-up after the goal is greater than 8, the effect of decline in a lot of)

OFDM的MATHLAB仿真，计算误码率，误比特率，π/4qpsk调制(OFDM-MATHLAB simulation, the calculation error rate, bit error rate, π/4qpsk modulation)

IS算法， 类似于Zigzag算法， 但更加稳定(IS have more stable structure than Zigzag)