yiqun

窗函数法设计数字滤波器 矩形窗、海宁窗、汉明窗和布莱克曼窗 滤波特性(Window function method to design digital filters rectangular windows, Haining window, Hamming window and Blackman window filtering properties)

国外大学 OFDM 仿真系统 很经典 是同学从国外带回来的(Foreign universities classic OFDM simulation system is the students brought back from abroad)

说明：  先进pid程序-第一版源码，matlab源码程序。(advanced procedures-the first edition source, Matlab source programs.)

说明：   empirical formula with kaiser clc clear all fs=1000 fc=250 df=50 r=0.001 f=fc/fs dw=2*pi*(df/fs) a=-20*log(r) n=floor(((a-8)/(2.285*dw))+1) if a>50 b=0.1102*(a-8.7) elseif a>=21 && a<=50 b=0.5842*((a-21)^0.4)+0.07886*(a-21) elseif a<21 b=0.0 end w=kaiser(n,b) for i=1:n if i~=(n-1)/2 hd(i)= (2*f*sin((i-((n-1)/2))*2*pi*f))/((i-((n-1)/2))*2*pi*f) elseif i==(n-1)/2 hd(i)=2*f end end for j=1:n h(j)=w(j)*hd(j) end subplot(3,1,1), plot(w) subplot(3,1,2), plot(h) subplot(3,1,3), plot(h,n)

它是Mann-Kendall（非参数检验）突变检测算法的MATLAB源码。给出了单边Mann-Kendall突变检测算法和双边Mann-Kendall突变检测算法的matlab的详细程序。适合做有突变点的非参数检验和matlab爱好者使用。(It is the Mann-Kendall (nonparametric test) mutation detection algorithm MATLAB source. A detailed program of unilateral Mann-Kendall mutation detection algorithm and bilateral Mann-Kendall mutation detection algorithm matlab s. Suitable for point mutations and non-parametric tests matlab enthusiasts.)

code for watermarking all ok

2FSK是利用数字基带信号控制在波的频率来传送信息。经过调制后的2FSK数字信号通过两个频率不同的带通滤波器f1、f2滤出不需要的信号，然后再将这两种经过滤波的信号分别通过包络检波器检波，最后将两种信号同时输入到抽样判决器同时外加抽样脉冲，最后解调出来的信号就是调制前的输入信号。(gudi hduidf hdag sdd w)

MATLAB GUI（Graphical User Interfaces- 图形用户界面）设计与制作 (MATLAB GUI (Graphical User Interfaces Graphical user interface) design and production)

计算CM值,表征系统规整性的一个计算方法(Calculated CM values, characterize the system as a structured method of)

matlab 开发所需的constr。m源文件(constr.m fold)