Description: bpsk调制解调M文件，在加入高斯白噪声的情况下，计算出误码率。-bpsk modulation and demodulation M documents in the Gaussian white noise to the situation, the calculated error rate. Platform: |
Size: 1024 |
Author:leekm |
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Description: 交全面的给出了好几种调制解调方案的matlab代码,又ASK,BPSK,FSK,QAM等的源代码
对通信领域的研究人员很有帮助-submit a comprehensive given several modulation and demodulation program Matlab code, ASK, BPSK, FSK, QAM the source code for communications research in the field of staff helpful Platform: |
Size: 16384 |
Author:yinghui |
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Description: 这个源程序代码包提供了通信系统中BPSK,QPSK,OQPSK,MSK,MSK2,GMSK,QAM,QAM16等调制解调方式 用matlab的实现，以及它们在AWGN和Rayleigh信道下的通信系统实现及误码率性能-The source code package provides a communication system in BPSK, QPSK, OQPSK, MSK, MSK2, GMSK, QAM, QAM16 manner, such as modulation and demodulation matlab realization, as well as their in AWGN and Rayleigh fading and realize the communication system error rate performance Platform: |
Size: 34816 |
Author:郭顺利 |
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Description: simulink实现bpsk的均衡技术，这里用的是mlse均衡器，看起来简单，其实这里包括了调制，解调，多径和均衡等技术-simulink realization of the balanced BPSK technology, here is the MLSE equalizer, looks simple, in fact, here including the modulation, demodulation, multipath and balanced technical Platform: |
Size: 8192 |
Author:cyq0220 |
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Description: 关于BPSK，QPSK，8QAM,16QAM，32QAM的调制解调程序3。-On the BPSK, QPSK, 8QAM, 16QAM, 32QAM modulation and demodulation process of the 3. Platform: |
Size: 1024 |
Author:water206 |
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Description: OFDM程序，这么安排矩阵的目的是为了构造共轭对称矩阵
共轭对称矩阵的特点是 在ifft/fft的矢量上 N点的矢量
在0，N/2点必须是实数 一般选为0
1至N/2点 与 （N/2）+1至N-1点关于N/2共轭对称- BPSK simulation using a carrier cosine wave with ISI
clc
close all
clear all
figure(1)
n=160
for i=1:n
data(i)= 2*round(rand)-1
end
create modulated BPSK signal
first expand the bit stream
exdata=[]
for i=1:length(data)
for rep=1:5
exdata= [exdata data(i)]
end
end
ts=.1
t=1:ts:80.9
carrier=cos(pi*t)
multiply expanded bitstream by cosine wave with carrier frequency
this is the BPSK that is to be transmitted over the channel
bpsk=carrier.*exdata
bpsk=[bpsk(length(bpsk)-1) bpsk(length(bpsk)) bpsk]
plot(bpsk)
generating the noise
p=rand(1,800)*2*pi
p=rand*2*pi
snr=10
r=sqrt(-1*(1/snr*log(1- rand)))
no = 5*(r.* exp(j*p))
no = (r.* exp(j*p))
value of alpha
al=rand+j*rand
al=1
Spreading channel with the alpha as the variable
for k=5:5:795
for l = 1:5
al=round(rand)+j*round(rand)
rec(k+l)=bpsk(k+l)+al*bpsk(k-5+l)
end
end
rxdata=rec+ no
begin demodulation
first multiply recie Platform: |
Size: 6146048 |
Author:卞敏捷 |
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Description: 二用户CDMA系统，信道为加性高斯信道，使用BPSK调制，15位M序列扩频，可以正确解扩解调。
输出为2用户的基带信号、扩频信号、PSK调制信号、解调信号的时域和频域特性，给出两个用户分别的误码率。 -Second, the user CDMA system, channel for the additive Gaussian channel, using BPSK modulation, 15 M Sequence Spread Spectrum, you can correct demodulation despreading. Output of 2 user' s baseband signal, spread spectrum signal, PSK signal modulation, demodulation signal time domain and frequency domain characteristics of the two users are given the bit error rate, respectively. Platform: |
Size: 190464 |
Author:哈哈 |
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Description: 利用matlab对am，dsb，ssb，ask，fsk，bpsk信号进行正交调制解调仿真，并在不同信噪比条件下对其数字信号进行了误码率的计算。-Using matlab to am, dsb, ssb, ask, fsk, bpsk orthogonal signal modulation and demodulation simulation, and signal to noise ratio in different conditions of its digital signal to the bit error rate calculations. Platform: |
Size: 5120 |
Author:马浩飞 |
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Description: 用MATLAB编写程序实现BPSK的调制与解调过程，并且为了模拟数字通信系统过程，在调制后加入高斯白噪声。-MATLAB program used to prepare the BPSK modulation and demodulation process, and in order to simulate the process of digital communication system, in the modulated Gaussian white noise after. Platform: |
Size: 1024 |
Author:王丽越 |
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Description: simulink做的BPSK的调制与解调，信号源是随机信号与PN码扩频调制，最后结果与随机信号比较一致-simulink do BPSK modulation and demodulation, the signal source is a random signal with the PN code spread-spectrum modulation, the final result more consistent with the random signal Platform: |
Size: 89088 |
Author:张建云 |
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Description: bpsk调制解调matlab代码，给出了在噪声信道下bpsk调制解调的matlab实现-bpsk modulation and demodulation matlab code is given in the noise channel bpsk modem implementation in matlab Platform: |
Size: 2048 |
Author:iamsyy |
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Description: 在通信系统中的BPSK调制和解调源代码，在现实中用处非常大-In the communication system in the BPSK modulation and demodulation source code, in reality, use very large Platform: |
Size: 4096 |
Author:heyushen |
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Description: 二相相移键控（BPSK）调制解调过程的MATLAB仿真实现。ASK、FSK、PSK这三种数字调制方式在抗干扰噪声能力和信号频谱利用率等方面，以相干PSK的性能最好，目前已在中、高速传输数据时得到广泛应用。-Binary phase shift keying (BPSK) modulation and demodulation process, MATLAB Simulation. ASK, FSK, PSK modulation in the three digital noise interference and signal spectrum efficiency, etc., to the best performance of coherent PSK, is now in the middle and high-speed transmission data are widely used. Platform: |
Size: 22528 |
Author:秋田 |
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Description: BPSK通过白噪声信道的调制解调技术在matlab上仿真，很有参考价值-BPSK through the white noise channel, modulation and demodulation techniques in matlab simulation of great reference value Platform: |
Size: 8192 |
Author:beven |
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Description: In this LAB, it will simulate a basic BPSK transmission system and demonstrate the transmission of text data over a
noisy channel with different noise levels. The basic components of the simulated system are illustrated in the following
figure. There are four parts in the LAB which need to be done in sequence. Platform: |
Size: 647168 |
Author:khang
|
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