FFT3f

这是pi_4_DQPSK的MATLAB仿真源程序，很好的仿真了这种数字调制和解调(This is pi_4_DQPSK the MATLAB simulation of source, a good simulation of this kind of digital modulation and demodulation)

M函数vistformfwd建立点的栅格内容 函数vistformfwd也可用于直观的仿射变换(M vistformfwd establish point grid function content)

说明：  MATLAB图像类型转换函数及其功能，里面讲解具体(MATLAB image type conversion functions and functions, which explain the specific)

用matlab实现jpeg2000编解码，包括小波变换、huffman编码等，适合初学者(Jpeg2000 codec, including wavelet transform, huffman coding using matlab for beginners)

雷达信号压缩，一维信号的生成以及如何让拖尾压缩。(The radar signal compression, the generation of one-dimensional signals as well as how tailing compression.)

matlab下filter程序，有脉冲响应法和双线性变换法生成filter，各参数有详细注释，有信号滤波前后的图形、频谱及相位对比。(Under filter matlab procedures, generate filter impulse response method and bilinear transformation method, various parameters are detailed notes, graphics, spectrum and phase contrast signal before and after filtering.)

随机森林的matlab算法实现，model是训练函数，tree是分类标签函数(Random Forest algorithm matlab, model is the training function, tree classification label function)

FIS desing in the matlab

现代信号处理书里面的仿真程序，初学者可以看看(Book of modern signal processing inside the simulation program, beginners can take a look)

C/A码发生器Matlab程序，测试通过(C/A code generator Matlab procedures)