代码搜索：实时频谱
找到约 3,876 项符合「实时频谱」的源代码
代码结果 3,876
www.eeworm.com/read/462706/7197696
txt endpointdetectionbandvariance.txt
clear all;
clc;
%基于频谱方差的语音端点检测
N=256;%
Winsiz=256;%帧长
Shift=80;%帧移
[x,Fs]=wavread('jnda1.wav');
x=double(x);
%对信号做预加重处理
x=filter([1 -0.9375], 1, x);
x=5*(x-mean
www.eeworm.com/read/327492/13075340
asv caiyang.asv
% 数字信号处理教程——MATLAB释义与实现%caiyang 演示采样定理，时域采样，频谱周期延拓
%同时演示采样频率小于2*fc时，产生的混叠效应
clf reset
set(gcf,'unit','normalized','position',[0.1,0.2,0.5,0.5]);
set(gcf,'defaultuicontrolunits','normalized');
h
www.eeworm.com/read/323115/13354540
asv caiyang.asv
% 数字信号处理教程——MATLAB释义与实现%caiyang 演示采样定理，时域采样，频谱周期延拓
%同时演示采样频率小于2*fc时，产生的混叠效应
clf reset
set(gcf,'unit','normalized','position',[0.1,0.2,0.5,0.5]);
set(gcf,'defaultuicontrolunits','normalized');
h
www.eeworm.com/read/263248/11370081
asv caiyang.asv
% 数字信号处理教程——MATLAB释义与实现%caiyang 演示采样定理，时域采样，频谱周期延拓
%同时演示采样频率小于2*fc时，产生的混叠效应
clf reset
set(gcf,'unit','normalized','position',[0.1,0.2,0.5,0.5]);
set(gcf,'defaultuicontrolunits','normalized');
h
www.eeworm.com/read/151060/12237489
asv caiyang.asv
% 数字信号处理教程——MATLAB释义与实现%caiyang 演示采样定理，时域采样，频谱周期延拓
%同时演示采样频率小于2*fc时，产生的混叠效应
clf reset
set(gcf,'unit','normalized','position',[0.1,0.2,0.5,0.5]);
set(gcf,'defaultuicontrolunits','normalized');
h
www.eeworm.com/read/131462/14145551
asv caiyang.asv
% 数字信号处理教程——MATLAB释义与实现%caiyang 演示采样定理，时域采样，频谱周期延拓
%同时演示采样频率小于2*fc时，产生的混叠效应
clf reset
set(gcf,'unit','normalized','position',[0.1,0.2,0.5,0.5]);
set(gcf,'defaultuicontrolunits','normalized');
h
www.eeworm.com/read/457708/1595147
asv caiyang.asv
% 数字信号处理教程——MATLAB释义与实现%caiyang 演示采样定理，时域采样，频谱周期延拓
%同时演示采样频率小于2*fc时，产生的混叠效应
clf reset
set(gcf,'unit','normalized','position',[0.1,0.2,0.5,0.5]);
set(gcf,'defaultuicontrolunits','normalized');
h
www.eeworm.com/read/304872/3784103
asv caiyang.asv
% 数字信号处理教程——MATLAB释义与实现%caiyang 演示采样定理，时域采样，频谱周期延拓
%同时演示采样频率小于2*fc时，产生的混叠效应
clf reset
set(gcf,'unit','normalized','position',[0.1,0.2,0.5,0.5]);
set(gcf,'defaultuicontrolunits','normalized');
h