代码搜索:衰落信道
找到约 1,714 项符合「衰落信道」的源代码
代码结果 1,714
www.eeworm.com/read/444112/1736404
asm nf401_rxd.asm
;NF401接收程序
;文件名称:NF401_RXD.ASM
;---------------------------------------------------------------------
ORG 0000H
START: SETB P1.1 ;正常工作
CLR P1.0 ;接收
CLR P1.2 ;选择0 信道
MOV
www.eeworm.com/read/369708/9635924
m channelgenerator.m
%生成信道参数
Dg=0.5; %高斯脉冲宽度
Ts=0.05; %信号采样间隔
Tf=80; %Tf=80,duty_cycle=1:160
Num_Tf=Tf/Ts; %每个符号持续时间内采样点个数
www.eeworm.com/read/237722/13935325
m example_mul_rayleith.m
% **************** EXAMPLE : QPSK SIGNAL WITH MULTIPATH CHANNEL*******************%
% 本程序为基带QPSK信号通过多径信道的产生例子
% copyright : 研学网-沉香(仅供参考)
% 2007-01-31
% channle model : COST207(TU)
clear all;
www.eeworm.com/read/203319/15361924
m channelgenerator.m
%生成信道参数
Dg=0.5; %高斯脉冲宽度
Ts=0.05; %信号采样间隔
Tf=80; %Tf=80,duty_cycle=1:160
Num_Tf=Tf/Ts; %每个符号持续时间内采样点个数
www.eeworm.com/read/380059/9167111
m ldpcber.m
% Bit error rate of BPSK modulated LDPC codes under AWGN channel
% 高斯信道下BPSK调制的LDPC码的误比特率
% Copyright Bagawan S. Nugroho, 2007
% http://bsnugroho.googlepages.com
clc;
clear all;
% LDPC mat
www.eeworm.com/read/380059/9167126
asv ldpcber.asv
% Bit error rate of BPSK modulated LDPC codes under AWGN channel
% 高斯信道下BPSK调制的LDPC码的误比特率
% Copyright Bagawan S. Nugroho, 2007
% http://bsnugroho.googlepages.com
clc;
clear all;
% LDPC mat
www.eeworm.com/read/451448/7463643
m channel.m
function H=Channel(Multipath,Tx,Rx,CHANNEL_flag, CORRE_CHANNEL)
%信道生成
switch CHANNEL_flag
case 1
H(:,:,1)=fft(eye(Tx));
case 2
H(:,:,1)=(randn(Rx,Tx)+1i*randn(Rx,Tx))*sqr
www.eeworm.com/read/451448/7463657
asv channel.asv
function H=Channel(Multipath,Tx,Rx,CHANNEL_flag, CORRE_CHANNEL)
%信道生成
switch CHANNEL_flag
case 1
H(:,:,1)=fft(eye(Tx));
case 2
H(:,:,1)=(randn(Rx,Tx)+1i*randn(Rx,Tx))*sqr
www.eeworm.com/read/442577/7649295
m estimate_direct_channel_snr.m
function SNR_direct=estimate_direct_channel_SNR(channel,modulation_type,Ps);
%直传信道的信噪比估计
global signal;
switch modulation_type
case 'BPSK'
SNR_direct=10^(channel.noise.SNR/10)*ones(si
www.eeworm.com/read/329478/12953383
m bitload.m
function [bits_alloc,energy_alloc] = BitLoad(subcar_gains,total_bits,num_subc,gap,noise,M);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 用比特分配算法根据当前的信道特征来达到所期望的比特和能量的分配
%