代码搜索：振荡调制
找到约 3,079 项符合「振荡调制」的源代码
代码结果 3,079
www.eeworm.com/read/453365/7422050
m ssb.m
Fs=100000;
t=[0:1/Fs:0.01];
y=cos(300*2*pi*t);%调制信号
yw=fft(y);
yw=abs(yw(1:length(yw)/2+1));
frqyw=[0:length(yw)-1]*Fs/length(yw)/2;
Fc=30000;
c=cos(Fc*2*pi*t);
b=sin(2*pi*Fc.*t);
lssb=y.*c
www.eeworm.com/read/451716/7457670
m resourcemapping.m
function a = resourcemapping(dsymb,aRefSig,NDLRB,Ns) % 将经过调制的数据符号和MBSFN参考信号都映射至资源块上
s = zeros(1,length(dsymb) + 12*NDLRB*6);
s(1,1:length(dsymb)) = dsymb;
if mod(Ns,2) == 0; % 如果是偶时隙，MBSFN参考信号占用的是第
www.eeworm.com/read/451716/7457723
m qam_16.m
function [d_symb]=QAM_16(numbits,d) %16_QAM调制
numbits=168;
% i=1:numbits;
% b(i)=randn(1,numbits)
www.eeworm.com/read/451714/7457799
m qam_16.m
function [d_symb]=QAM_16(numbits,d) %16_QAM调制
numbits=168;
% i=1:numbits;
% b(i)=randn(1,numbits)
www.eeworm.com/read/451710/7457853
m qam_16.m
function [d_symb]=QAM_16(numbits,d) %16_QAM调制
numbits=168;
% i=1:numbits;
% b(i)=randn(1,numbits)
www.eeworm.com/read/451707/7457881
m resourcemapping.m
function a = resourcemapping(dsymb,aRefSig,NDLRB,Ns) % 将经过调制的数据符号和MBSFN参考信号都映射至资源块上
s = zeros(1,length(dsymb) + 12*NDLRB*6);
s(1,1:length(dsymb)) = dsymb;
if mod(Ns,2) == 0; % 如果是偶时隙，MBSFN参考信号占用的是第
www.eeworm.com/read/439391/7710570
m zaboduixiao3.m
clc;
clear;
fc=10.7e6;%10.7e6;%载频
fs=0.408e6*2;
df1=1000;%多普勒
df2=2000;%多普勒
df3=3000;%多普勒
m=14.5;td=m/fs; %时延6
N=8192*2;%fs;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%白噪声过滤低通波器 作为调制信号
%%%%%
www.eeworm.com/read/297788/7996596
m filer_qpsk3.m
%升余弦滤波器+QPSK调制
%已生成QPSK和OQPSK信号，本文件研究滤波器频谱
clc;%清除命令窗口
clear all;%清除工作空间workspace,以释放内存
close all;
%生成随机数
x_length=1000; % 信息码元个数
Rb=819200;%码元速率819.2k
k=1;
www.eeworm.com/read/322238/13384322
m insert.m
% 对进行调制后的序列进行插值， 插值倍数为M=8
% 输入信号为signal_in，输出信号为signal_out
function [ signal_out, out_length ] = insert( signal_in, insert_num )
signal_length = insert_num*length(signal_in);
signal_out = zeros(1,si
www.eeworm.com/read/315096/13552417
m f3_22.m
%线性调频信号
fm1=fmlin(256,0,0.5);
%高斯幅值调制信号
am1=amgauss(256);
%合成
sig=am1.*fm1;
%显示
%实部
plot(real(sig),'LineWidth',2);
hold on;
%虚部
plot(imag(sig),'ro--','LineWidth',2);
legend('实部','虚部');
xl