代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 7.25 \n\n'); ba…

用match-z方法,将模拟低通转换为数字低通 代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem…

今天清明放假的第二天,早晨出去吃饭时天气有些阴,十点多开始“清明时节雨纷纷”了. 母亲远在他乡看孙子,挺劳累的.父亲照顾生病的爷爷…… 我打算今天把<DSP using MATLAB>第7章结束,剩下的几个例子看不懂了,先跳过去. ch7最后一个: 代码: ws = 0.6*pi; wp = 0.75*pi; Rp = 0.5; As = 50; [delta1, delta2] = db2delta(Rp, As); f = [ws, wp]/pi; m = [0, 1]; delta =…

代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 7.27 \n\n'); ba…

代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 7.14 \n\n'); ba…

代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 7.13 \n\n'); ba…

代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 6.23 \n\n'); ba…

代码: function y = circonvt(x1,x2,N) %% N-point Circular convolution between x1 and x2: (time domain) %% ------------------------------------------------------------------ %% [y] = circonvt(x1,x2,N) %% y = output sequence containning the circular convo…

快到龙抬头,居然下雪了,天空飘起了雪花,温度下降了近20°. 代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB>…

只会做前两个, 代码: %% ---------------------------------------------------------------------------- %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 4.15 \n\n')…

代码: %% ---------------------------------------------------------------------------- %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 4.11 \n\n'); banner…

用差分方程两边进行z变换,再变量带换得到频率响应函数(或转移函数,即LTI系统脉冲响应的DTFT). 代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf('…

用到了三角窗脉冲序列,各小题的DTFT就不写公式了,直接画图(这里只贴长度M=10的情况). 1. 代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <…

利用的频移性质为: 本习题代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 3.9 \n\n')…

按照题目的意思需要利用DTFT的性质,得到序列的DTFT结果(公式表示),本人数学功底太差,就不写了,直接用 书中的方法计算并画图. 代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************…

代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 2.20 \n\n'); banner();…

代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 2.19 \n\n'); banner();…

代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 2.15 \n\n'); banner();…

代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 2.14 \n\n'); banner();…

代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 8.43 \n\n'); banner();…

代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 8.42 \n\n'); banner();…

代码: function [wpLP, wsLP, alpha] = bs2lpfre(wpbs, wsbs) % Band-edge frequency conversion from bandstop to lowpass digital filter % ------------------------------------------------------------------------- % [wpLP, wsLP, alpha] = bs2lpfre(wpbs, wsbs)…

代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 8.39.2 \n\n'); banner()…

代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 8.35 \n\n'); banner();…

代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 8.33.2 \n\n'); banner()…

代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 8.32 \n\n'); banner();…

代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 8.31 \n\n'); banner();…

10月1日,新中国70周岁生日,上午观看了盛大的庆祝仪式,整齐的方阵,先进的武器,尊敬的先辈英雄,欢乐的人们,愿我们的 国家越来越好,人民生活越来越好. 接着做题. 代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n*******************************************…

来汉有一月,往日的高温由于最近几个台风沿海登陆影响,今天终于下雨了,凉爽了几个小时. 接着做题. %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP u…

代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 8.28 \n\n'); banner();…