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/444759/7607492
m 7-19.m
%例程7-19 QPSK调制与解调
function modsymbols=qpsk(moduinput)
inputbits=moduinput;
full_len=length(inputbits);
table=exp(j*[-3/4*pi 3/4*pi 1/4*pi -1/4*pi]); % 生成QPSK星座图
table=table([0 1 3 2]+1);
www.eeworm.com/read/439857/7700268
m m06_amod_qam.m
fs=100; %采样频率
fc=15; %载波频率
t=0:0.025:2; %采样时间
x=sin([pi*t',2*pi*t']); %信号
y = amod(x, fc, fs,'qam'); %正交幅度调制
z = ademod(y, fc, fs, 'qam');%正交幅度解调
plot(t,x,'-',t,z,'.') %绘制调
www.eeworm.com/read/245506/12797162
m m06_amod_qam.m
fs=100; %采样频率
fc=15; %载波频率
t=0:0.025:2; %采样时间
x=sin([pi*t',2*pi*t']); %信号
y = amod(x, fc, fs,'qam'); %正交幅度调制
z = ademod(y, fc, fs, 'qam');%正交幅度解调
plot(t,x,'-',t,z,'.') %绘制调
www.eeworm.com/read/330928/12860715
m ofdm55.m
%ofdm55.m
%16QAM调制、两径瑞利信道(延迟时间未超过保护间隔)下仿真程序
%**********************初始参数***************************
para=52; %并行信道数
fftlen=64; %FFT长度
noc=52; %载波数
nd=3; %每循环中OFDM符号数
ml
www.eeworm.com/read/330928/12860718
m ofdm44.m
%ofdm44.m
%16QAM调制、两径瑞利信道(延迟时间未超过保护间隔)下仿真程序
%**********************初始参数***************************
para=52; %并行信道数
fftlen=64; %FFT长度
noc=52; %载波数
nd=3; %每循环中OFDM符号数
ml
www.eeworm.com/read/322238/13384315
m modulate_high.m
% 将已调信号调制到10倍的载波频率
function [ signal_out, xt ] = modulate_high( signal_in, fc, fs )
signal_temp = zeros(1,length(signal_in)*fc*fs);
signal_length = 1:length(signal_temp);
signal_temp(signal_length) =
www.eeworm.com/read/316129/13529744
m rx_qam16_demod.m
%
function soft_bits = rx_qam16_demod(rx_symbols)
% rx_symbols: 48*n_data_syms
soft_bits = zeros(4*size(rx_symbols,1), size(rx_symbols,2)); % Each symbol consists of 4 bits
% 回忆16QAM调制时,[0000
www.eeworm.com/read/316129/13529780
asv rx_qam16_demod.asv
%
function soft_bits = rx_qam16_demod(rx_symbols)
% rx_symbols: 48*n_data_syms
soft_bits = zeros(4*size(rx_symbols,1), size(rx_symbols,2)); % Each symbol consists of 4 bits
% 回忆16QAM调制时,[0000
www.eeworm.com/read/486205/6538135
m 7-19.m
%例程7-19 QPSK调制与解调
function modsymbols=qpsk(moduinput)
inputbits=moduinput;
full_len=length(inputbits);
table=exp(j*[-3/4*pi 3/4*pi 1/4*pi -1/4*pi]); % 生成QPSK星座图
table=table([0 1 3 2]+1);
www.eeworm.com/read/485392/6561198
m 7-19.m
%例程7-19 QPSK调制与解调
function modsymbols=qpsk(moduinput)
inputbits=moduinput;
full_len=length(inputbits);
table=exp(j*[-3/4*pi 3/4*pi 1/4*pi -1/4*pi]); % 生成QPSK星座图
table=table([0 1 3 2]+1);