代码搜索:水声信号
找到约 10,000 项符合「水声信号」的源代码
代码结果 10,000
www.eeworm.com/read/201578/15401530
m decode.m
function dec=decode(y,n)
%《语音信号子带编码》
% 该函数实现对不同的接收到的子带信号可以选取不同的字长进行译码,字长的选取
% 由参数所决定;译码方式对应的采用DPCM,在译码之后,再进行
% A律解压缩,A选取典型值为87.6,预测长度为2。
close all;
k=2^n;
codebook=(linspace(-1,1,k))';
pre=([
www.eeworm.com/read/200417/15433813
m music.m
% the data of signal
clear;
format long;
c=3*10.^8;%光速
L=8;%阵元数
sam=128;%取样点
N=128;
w1=1;%第一个信号的角频率
w2=1.1;%第二个信号的角频率
phase1=0;%初始相位
phase2=0;
snr1=10;
snr2=10;
Amp1=sqrt(2*10^(sn
www.eeworm.com/read/200130/15440908
m qam_modulation.m
function [y1,y2]=Qam_modulation(x)
%QAM_modulation
%对产生的二进制序列进行QAM调制
%=====首先进行串并转换,将原二进制序列转换成两路信号
N=length(x);
a=1:2:N;
y1=x(a);
y2=x(a+1);
%=====分别对两路信号进行QPSK调制
%======对两路
www.eeworm.com/read/107865/15598619
txt 在pc上用并行口模拟i2c总线的c源代码 .txt
在PC上用并行口模拟I2C总线的C源代码
--------------------------------------------------------------------------------
在PC上用并行口模拟I2C总线的C源代码 (21icbbs-沈文)
在微机上模拟I2C总线的设计中,用并行口的D0(PIN2)模拟SCL信号,
用D1(PIN3)模拟SDA信号
www.eeworm.com/read/291987/8383947
m mvm.m
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%PVM算法 PVM.m%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
R=(Xt*Xt')/N;
theta1=[-90:0.1:90];%基阵接受信号方向
i=[0:M-1]';
atheta1=exp(-j*2*pi
www.eeworm.com/read/291987/8383952
m blp.m
%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%BLP算法%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%
Xb=Xt([2:M],:);
Wblp=(((((Xb*Xb')/N)^-1)*Xb*Xt(1,:)'/N)').';
t=[M-1:-1:0]';
theta1=[-90:0.1:90];%基阵接受信号方
www.eeworm.com/read/192305/8388386
m exa011001.m
%---------------------------------------------------------------------------------------
% exa011001.m, for example 1.10.1 and fig 1.10.2
% 求线性调频信号的Zak变换
% 注:在该程序中,用到了子程序 divider.m 及 zak.m,
%
www.eeworm.com/read/192305/8388480
m exa010302.m
%---------------------------------------------------------------------------------------
% exa010302.m, for example 1.3.2
% 说明 高斯调制信号的时间中心、频率最小、时宽和带宽;
% 注:在该程序中,用到了子程序 loctime,locfreq.m,
www.eeworm.com/read/192305/8388546
m exa010303.m
%---------------------------------------------------------------------------------------
% exa010303.m, for example 1.3.3
% 说明 高斯调制Chirp信号的时间中心、频率最小、时宽和带宽;
% 注:在该程序中,用到了子程序 fmlin,amgauss,lo
www.eeworm.com/read/291581/8408627
m emd.m
% emprical mode decomposition (只对信号进行EMD分解,以矩阵形式返回各个imf值。)
% EMD: Emprical mode decomposition
%
% imf = emd(x)
%
% x - input signal (must be a column vector)
%
% This version will calculate all the