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/375290/2725472
m highpass.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;
www.eeworm.com/read/367675/2832847
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/474008/6828629
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/393857/8258616
m a40.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/268860/11117718
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/133415/14044508
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/234999/14089368
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/202434/15384238
m breakpoint2.m
load nearbrk;
x=nearbrk;
%使用DB4小波进行2层分解
[c,l]=wavedec(x,2,'db4');
subplot(4,1,1);
plot(x);
ylabel('x');
%对分解的第2层低频系数进行重构
a=wrcoef('a',c,l,'db4',2);
subplot(4,1,2);
plot(a);
ylabel('a2');
f
www.eeworm.com/read/429508/8804568
m hyperchaoscorrelationint.m
%kawakami超混沌序列
L=6000;%相关运算的长度
x=zeros(1,L);
x(1)=0.400001;
y(1)=0.010007;
for i=1 : L
x(i+1) = -0.125 * x(i) + y(i);
y(i+1) = x(i) * x(i) - 1.5;
end
crx=xcorr(x,'unbiased');
plot(cr
www.eeworm.com/read/429508/8804571
m hyperchaoscorrelationdouble.m
%kawakami超混沌序列
L=6000;%相关运算的长度
x=zeros(1,L);
x(1)=0.400001;
y(1)=0.010007;
for i=1 : L
x(i+1) = -0.1 * x(i) + y(i);
y(i+1) = x(i) * x(i) - 1.6;
end
crx=xcorr(x,'unbiased');
plot(crx)