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資源簡(jiǎn)介

GMSK信號(hào)調(diào)制和解調(diào)的仿真代碼,包含一比特差分、2比特差分、鑒頻等常用GMSK解調(diào)方案。

資源截圖

代碼片段和文件信息

%?GMSK?modulation
%?Bit?rate?=?9.6?kbps
%?MI?=?0.5?freq_dev?=?2.4?kHz
%?BT?=?0.4
%?Sample?rate?=?192?kSaps?Ts?=?1/192k?sTb?=?9.6?kbps?20?points?per?bit
%?Center?freq?=?19.2?kHz?=?1/10/Ts
%?w0?=?2*pi/10/Ts


clc;
clear;

M?=?20;?????%Sample?20?times?during?one?bit?time
L?=?4;??????%Gaussian?pulse?duration?for?one?bit?
T?=?1;??????%One?bit?time?supposed?to?be?1
Ts?=?T/M;???%Sampling?period
%?Generate?random?binary?data
N?=?20;?%?20?bit?long?data

%dat0?=?[0?0?1?1?1?0?1?1?0?0?1?1?0?0?0?0?1?1?1?1];
%dat0?=?repmat([0?0?1?1]1N/4);??%dat0重復(fù)的01序列
dat0?=?repmat([0?1]1N/2);
dat1?=?rand(1N);
%dat1?=?repmat([0?1]1N/2);
dat2?=?rand(1N);
%dat2?=?repmat([0?1]1N/2);
dat3?=?rand(1N);
%dat3?=?repmat([0?1]1N/2);

%?BPSK?modulation
for?i?=?1:N
???if?dat0(i)?>?0.5

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件????????8316??2015-03-04?16:08??GMSK?Modem?matlab\GMSK_Modem.m
?????文件????????2003??2014-08-23?10:31??GMSK?Modem?matlab\gmsk_modul.m
?????文件????????1089??2014-09-15?16:01??GMSK?Modem?matlab\LPF.m
?????文件?????????750??2014-07-26?16:29??GMSK?Modem?matlab\pul_phas.m
?????文件?????????166??2014-09-15?15:17??GMSK?Modem?matlab\文件說明.txt

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