代码搜索：超低频
找到约 2,259 项符合「超低频」的源代码
代码结果 2,259
www.eeworm.com/read/151613/12187367
m example2_6_1.m
load noiswom; %装载图像信号
whos
[swa,swh,swv,swd] = swt2(X,1,'db1'); %完成图像的单层次小波分解
whos %观察各个系数向量的结构
figure(1);
map = pink(size(map,1)); %显示低频和高频系数
colormap(map)
subplot(2,2,1), image(wcodemat(swa,1
www.eeworm.com/read/221223/14752982
m exam10_13.m
clc;
clear;
load noisbloc
s= noisbloc(1:1024);
ls=length(s);
[cA1,cD1]=dwt(s,'db4');
A1=upcoef('a',cA1,'db4',1,ls);
D1=upcoef('d',cD1,'db4',1,ls);
subplot(2,1,1);plot(A1);title('低频A1')
subpl
www.eeworm.com/read/216262/15022663
m example2_6_1.m
load noiswom; %装载图像信号
whos
[swa,swh,swv,swd] = swt2(X,1,'db1'); %完成图像的单层次小波分解
whos %观察各个系数向量的结构
figure(1);
map = pink(size(map,1)); %显示低频和高频系数
colormap(map)
subplot(2,2,1), image(wcodemat(swa,1
www.eeworm.com/read/215911/15034255
m example2_6_1.m
load noiswom; %装载图像信号
whos
[swa,swh,swv,swd] = swt2(X,1,'db1'); %完成图像的单层次小波分解
whos %观察各个系数向量的结构
figure(1);
map = pink(size(map,1)); %显示低频和高频系数
colormap(map)
subplot(2,2,1), image(wcodemat(swa,1
www.eeworm.com/read/8852/154218
c uart.c
#include
#include "UART.h"
#include "common.h"
void Init_CLK(void)
{
unsigned int i;
//将寄存器的内容清零
//XT2震荡器开启
//LFTX1工作在低频模式
//ACLK的分频因子为1
BCSCTL1 = 0X
www.eeworm.com/read/12662/246647
c uart.c
#include
#include "UART.h"
#include "common.h"
void Init_CLK(void)
{
unsigned int i;
//将寄存器的内容清零
//XT2震荡器开启
//LFTX1工作在低频模式
//ACLK的分频因子为1
BCSCTL1 = 0X
www.eeworm.com/read/235521/4650688
c wave_generator_measure2.c
/************测低频信号周期的一个程序***********/
// 经过数学变换后就可以用来测频率
// 思路：数一个周期中有多少个100us,用count放这个计数值
/**************************************/
#include
/*****定义50ms方波的波形输出接口******/
sbit led=
www.eeworm.com/read/167220/5461909
asv bishe.asv
load a.txt;
xdata= a;
figure(1);
plot(xdata);
fbh=cwt(xdata,1:2:64,'cgau4','plot');
%采样频率
s=real(fbh)
plot
%5层小波包分解
T=wpdec(s,5,'db2');
%重构低频信号
y1=wprcoef(T,[5,2]);
%y1的波形
figure(2);
sub
www.eeworm.com/read/378175/2689903
m example2_6_1.m
load noiswom; %装载图像信号
whos
[swa,swh,swv,swd] = swt2(X,1,'db1'); %完成图像的单层次小波分解
whos %观察各个系数向量的结构
figure(1);
map = pink(size(map,1)); %显示低频和高频系数
colormap(map)
subplot(2,2,1), image(wcodemat(swa,1
www.eeworm.com/read/375290/2725471
m lowpass.m
Img=imread('3-22.jpg');
imshow(Img);
Imgf=double(Img); % 数据类型转换，MATLAB不支持图像的无符号整型的计算
g=fft2(Imgf); % 傅立叶变换
g=fftshift(g); % 转换数据矩阵,使低频分量移到中间，可查看fftshift函数的帮助
[M,N]=size(g);
nn=2;