资源简介
MATLAB多相滤波的仿真程序,包含子通道的中心频率的设计,解释详细,很快就能看懂。
代码片段和文件信息
clear all;close all;clc;
%% 参数设置
Fs=200e6;
D = 8;
fc = ((0:D-1)-(2*D-1)/4)*Fs/D;
TOA = [200 700 1200 1700 2200 2700 3200 3700];
%% 原始数据
original_signal = rand(16400);
for ii=1:D
original_signal(TOA(ii):TOA(ii)+399) = original_signal(TOA(ii):TOA(ii)+399) + 10*sin(2*pi*fc(ii)*(0:399)/Fs);
end
% figure(1)
% plot(original_signal);grid on
%% 数据抽取
Polyphase_signal = reshape(original_signalDlength(original_signal)/D);
[mmnn]=size(Polyphase_signal);
% figure(2)
% for ii=1:D
% subplot(D1ii);plot(Polyphase_signal(ii:));grid on
% end
%% 原型滤波器
% % 256阶低通滤波器,Fs=200e6,Fpass=7.5e6,Fstop=10.6e6
original_fir = [-4.69205573552756e-06-5.69542896018143e-06-8.53104393394283e-06-1.16235434870915e-05-1.45535351584785e-05-1.66832283578650e-05-1.71633733610351e-05-1.49065055850996e-05-8.63735176608882e-063.07007772206844e-062.17090157109807e-054.87367490453619e-058.54414413420074e-050.0001327925721176560.0001912855113865380.0002607840394319020.0003403835813210220.0004282989975418510.0005218070276261100.0006172424312823530.0007100738557081200.0007950505472798310.0008664385149166520.0009183269215969870.0009450086368573880.0009414008073874120.0009034939556711010.0008287856393556580.0007166773003948530.0005687860782269370.0003891467001162010.000184261619272947-3.70151230855034e-05-0.000263781915568392-0.000483575097295900-0.000683030127807007-0.000848685398173076-0.000967891390079567-0.00102976528930457-0.00102612873183048-0.000952354356631072-0.000808050765544661-0.000597515853963652-0.000329900830884239-1.90412774705000e-050.0003170668032443340.0006571431047054100.0009778223632948090.001255119337916650.001466078020205050.001590499378453320.001612628491666000.001522670849030280.001318011366648340.001004017154218890.0005943285299045960.000110569628817176-0.000418549421908702-0.000958726202330609-0.00147209477324063-0.00191968592385651-0.00226417226072187-0.00247271942721088-0.00251974033141341-0.00238934080656846-0.00207725036294565-0.00159205400927007-0.000955578420190122-0.0002023366626725360.0006220013592619420.001463076575793440.002261136809831790.002954983072034230.003486324813078390.003804256226813420.003869533249810830.003658323748676970.003165115819897430.002404510105313820.001411681551901760.000241379963547059-0.00103456654811893-0.00233117257184645-0.00355546190927182-0.00461259579184877-0.00541259185652571-0.00587719279898398-0.00594640425773732-0.00558421047376028-0.00478300289480350-0.00356631543558651-0.00198955372341186-0.0001385247617390500.001874284611182210.003915579597689030.005839022744291600.007494489485016950.008738283157988930.009443681096186320.009511123086157210.008877336823788200.007522725377607230.005476418879653210.00281851451741189-0.000320812071658093-0.00376545244236157-0.00730069166761246-0.0106834289970367-0.0136548070923040-0.0159545868866385-0.0173364649736751-0.0175834357118705-0.01652
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