代码搜索：4QAM
找到约 67 项符合「4QAM」的源代码
代码结果 67
www.eeworm.com/read/461773/7220747
m systemsss.m
function [systems1]=systemsss(jz1,data13,tb)
runum1=length(data13);
data14=zeros(1,runum1);
%4QAM调制
for i=1:1:runum1
if data13(1,i)==0
ww=-4.5;
else
ww=4.5
www.eeworm.com/read/458161/7303073
m cos4qam.m
%cos4qam.m: Costas loop for 4qam scale factor test
%crj jr, revised 12/26/02
clear all
clf
% create +/-1 sequence
s1=sign(rand([1,100])-0.5); N=length(s1);
s2=sign(rand([1,100])-0.5);
%
www.eeworm.com/read/390375/8468500
m float_1664qam24.m
% 表示t2*r4系统,码率= 1;
% 16qam 64qam
clear
clc
snr_min=0;
snr_max=35;
stepsize = 2.5;
%-------------全局参量--------------------------------%
Mod_type = 4; %qam调制有三种情况(2=4qam,4=16qam,6=64
www.eeworm.com/read/374375/9408410
m ofdm_system.m
% OFDM系统仿真程序,matlab平台，是采用4QAM调制。不过在这里面有个问题就是信道系数只能是由高
% 到低，大家可以试试，改成[0.227 0.46 0.688 0.46 0.227]
echo off;clear all;close all;clc;
fprintf( 'OFDM仿真\n') ;
tic
% ------------------------------
www.eeworm.com/read/163721/10148219
m float_1664qam24.m
% 表示t2*r4系统,码率= 1;
% 16qam 64qam
clear
clc
snr_min=0;
snr_max=35;
stepsize = 2.5;
%-------------全局参量--------------------------------%
Mod_type = 4; %qam调制有三种情况(2=4qam,4=16qam,6=64
www.eeworm.com/read/151091/12235725
m sq4qam_gray_map.m
function out=sq4QAM_Gray_map(input)
%%%--------example---------------------
%%% input=[0 0 0 1 1 1 1 0]
%%% out=[1+j
%%% -1+j
%%% -1-j
%%% 1-j]
%%%将输入的信息比特流映射为方形4QAM星座点；输出为并行
www.eeworm.com/read/207240/15276833
m qam4_demod.m
function [qam_out] = Qam4_demod(qam_in)
%% 4QAM 解调函数
%% 输入： 矩阵，列数必须是的的倍数
%% 输出： 矩阵，解调后的01序列矩阵
%% 之前必须调用过
global QamTable;
global bitPerSymbol ;
[m,n] = size(qam_in);
qam_out = zeros(m,n*bitPer
www.eeworm.com/read/384067/8903311
m bch码仿真.m
% 对BCH码进行了仿真，可变调制方式BPSK,4QAM,16QAM等
% 每桢长度等于K的整数倍
clear
n_frame=20;
N=15;
K=11;
M=1; %1--BPSK 2--QPSK or QAM 3---8PSK 4---16PSK or 16QAM
% psk psk qask p
www.eeworm.com/read/310202/13655623
m bch码仿真.m
% 对BCH码进行了仿真，可变调制方式BPSK,4QAM,16QAM等
% 每桢长度等于K的整数倍
clear
n_frame=20;
N=15;
K=11;
M=1; %1--BPSK 2--QPSK or QAM 3---8PSK 4---16PSK or 16QAM
% psk psk qask p
www.eeworm.com/read/211236/15184051
m bch码仿真.m
% 对BCH码进行了仿真，可变调制方式BPSK,4QAM,16QAM等
% 每桢长度等于K的整数倍
clear
n_frame=20;
N=15;
K=11;
M=1; %1--BPSK 2--QPSK or QAM 3---8PSK 4---16PSK or 16QAM
% psk psk qask p