摘要：信号混频 信号源：$A\cos(\alpha t)$ 载波信号：$\cos(\beta t)$ $$ \begin{aligned} A\cos(\alpha t)\cos(\beta t)&=\frac{A}{2}(\cos[(\alpha+\beta) t]+\cos[(\alpha \beta 阅读全文

摘要：%%%%%%%%%%%%%Q3:多项式系数估计%%%%%%%%%%%%%%%% %%%%%%%%%%2016/07/21%%%%%%%%%%%%%%%%%%% clc;clear; N=10;%样本个数输入 Order=1;%函数阶次输入 M=5;%绘制每M分之1个过程的观测结果曲线 X=linspace(1,N,N);%时间向量 for i=1:(Order+1) %构造以... 阅读全文