coreextract

这是Armstrong的机器学习FAST算法matlab源代码，是从作者个人主页上下的，可以运行(This is Armstrong s Machine Learning FAST algorithm matlab source code from the author of the personal home page from top to bottom, you can run)

设计一个60阶的滤波器，要求设计的滤波器0~π/8的幅度为1，在π/8~2π/8的幅度为1/2，在2π/8~4π/8的幅度响应为1/4，在4π/8~6π/8的幅度响应为1/6，在6π/8~π的响应为1/8，并且画出理想滤波器和设计得到的理想滤波器的幅度频率和响应进行比较(Design of a 60-order filter designed filter 0 ~~ π/8 the amplitude is 1, the π/8 ~ 2π/8 the amplitude is 1/2, 2π/8 ~ 4π/8 amplitude response is 1/4, 4π/8 ~ 6π/8 the amplitude response of 1/6, 6π/8 ~ π response of 1/8, and draw the ideal filters and design of an ideal filter amplitude frequency and response to compare)

FSK modulation and FSK demodulation

This code will compare two images keeping them side by side

该代码基于灰色GM(1,1)算法，使用时，需要在函数中将自变量取为时间序列，可预测任意时间的数值(The code is based on gray GM (1,1) algorithm, when used in the function argument will be taken as time series, can predict the value of any time)

DVB-T2中13种码率的BCH编码matlab仿真程序(BCH code in DVB-T2)

单小区单用户多天线MIMO环境下，QPSK调制进行MMSE接收处理，比对理想，非理想和一般MMSE接收的性能(Under the single-cell single-user multi-antenna MIMO environment, QPSK modulation MMSE receiving treatment, compared to the ideal, non-ideal performance and general MMSE reception)

小波滤波器构造 小波滤波器构造 (wavelet filter structure wavelet filter structure wavelet filter structure)

MATLAB最短路径，最基础的计算网络最短路径的算法 floyd - 最短路问题 Syntax: [d,path]=floyd(a,sp,ep) (MATLAB shortest path, the most basic computing network shortest path algorithm)

to find the discrete fourier transform using the fast fourier algorithm, any sequence of lengths which are multiples of 2 simply append zeros to satisfy this requirement