代码搜索：QDPSK
找到约 15 项符合「QDPSK」的源代码
代码结果 15
www.eeworm.com/read/315065/13552952
m qdpsk.m
% MATLAB script for QDPSK System
clear all;
SNRindB1=0:2:12;
for k=1:length(SNRindB1)
snr_in_dB = SNRindB1(k);
N=10000;
Es=1; % energy per symbol
SNR=10^(snr_in_dB/10); % signal to nois
www.eeworm.com/read/230172/14303211
m qdpsk.m
%************** 程序说明 ***************************%
%%%%%%%%%%%%%%%% File: dqpsk.m%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%% date: 2007-04-27 author: haige shengzhou corp. %%%%
www.eeworm.com/read/230172/14303213
asv qdpsk.asv
%************** 程序说明 ***************************%
%%%%%%%%%%%%%%%% File: dqpsk.m%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%% date: 2007-04-27 author: haige shengzhou corp. %%%%
www.eeworm.com/read/300280/13922043
m qdpsk.m
% QDPSK调制 %
% --------------------------------------------- %
carrier_matrix = [zeros(1,carrier_count); carrier_matrix];
% 添加一个差分调制的初始相位，为0
for i = 2:(symbols_p
www.eeworm.com/read/230172/14303214
asv tran_rec_qdpsk.asv
%************** 程序说明 ***************************%
%%%%%%%%%%%%%%%% File: tran_rec_dqpsk.m%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%% date: 2007-04-27 author: haige shengzhou c
www.eeworm.com/read/230172/14303219
m tran_rec_qdpsk.m
%************** 程序说明 ***************************%
%%%%%%%%%%%%%%%% File: tran_rec_dqpsk.m%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%% date: 2007-04-27 author: haige shengzhou c
www.eeworm.com/read/187844/8596421
m qdpskcd.m
function y=qdpskcd(x,Kmod);
%
% Code& Decode for QDPSK BBI 2000,用来完成QDPSK码的变换功能
if nargin
www.eeworm.com/read/187844/8596427
m qpskdet.m
function [xn,x]=qpskdet(y,Kmod,fs,fb,fc);
%
% Usage:[xn,x]=qpskdet(y,Kmod,fs,fb,fc);BBI
% 2000;Kmod=1表示QPSK解调,Kmod=2表示QDPSK,x为解调输出的脉冲信号波形
% Detection of QPSK and QDPSK
if nargin
www.eeworm.com/read/187844/8596434
m qpsk.m
function [y,Kmod,fs,fb,fc]=qpsk(x,Kmod,Kbase,fs,fb,fc);
%
% Usage:[y,Kmod,fs,fb,fc]=qpsk(x,Kmod,Kbase,fs,fb,fc);BBI
% 2000;Kmod=1表示QPSK调制,=2表示QDPSK调制,其中用到的qdpskcd.m完成QDPSK的码变换,还有constel.m用来完成
% 绘制
www.eeworm.com/read/344084/11909259