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函数通过输入信号序列和函数序号，以及调制解调选择参数来完成扩频调制解调。original_seq是原始输入序列，可能是未调制序列，也可能是调制序列，walsh_num是walsh函数的序号，select选择对输入的序列进行调制还是解调。(function through the input signal sequence and function of the serial number and choice of modulation and demodulation parameters to complete spread spectrum modulation and demodulation. Original_seq is the original input sequence may not be modulated sequence, and may also be modulated sequence, walsh_num walsh function of the serial number, select choice of input sequence modulation or demodulation.)

aloha防碰撞基本算法，用matlab仿真。非常好用哦(aloha basic anti-collision algorithm, using matlab simulation. Oh, very easy to use)

编写的一维非均匀傅里叶变换代码。不需要使用mex编译c文件或fortran文件。通过代码可了解NUFFT的技术细节。(One dimensional non-uniform Fourier transform code written. There is no need to use mex to compile C files or FORTRAN files. You can understand the technical details of NUFFT through code.)

完整的逆序动态规划程序，含详细注释，最优策略的完整输出(Complete reverse dynamic planning process, with detailed notes)

多输入BP神经网络的几个例子，主要包含函数拟合以及最小二乘法(matlab bp)

说明：  数字信号处理，滤波，维纳滤波器，维纳—霍夫方程(Digital signal processing, filtering, Wiener filter, Wiener- Hoff equation)

DBL converter converts all formats to DBL and in other direction

learn to matlab software for simulation

Pipelined Chebyshev Functional Link Artificial Recurrent Neural Network for Nonlinear Adaptive Filter

MQAM在AWGN信道下的星座图与误码率分析(MQAM constellation and BER Analysis)