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Description: 在QPSK下的OFDM误码率仿真程序，其中包含comb.m，delay.m，fade.m，giins.m，girem.m，ofdm_fading.m，qpskdemod.m，qpskmod.m，sefade.m这些文件
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Size: 6976 |
Author: 梁超 |
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Description: qpsk在Rayleigh下的调制和解调，其中仿真了误码率，并和理论值进行了比较。-qpsk Rayleigh in the modulation and demodulation, the BER simulation. and the theoretical value and the comparison.
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Size: 7168 |
Author: 刘方 |
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Description: DQPSk文档 调制过程 解调过程 系统误码率 matlab程序 -DQPSk document modulation demodulation process system BER Matlab procedures
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Size: 790528 |
Author: 海涛 |
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Description: This code was used for making the practical measurements in section 2.3 of my thesis. This Matlab code allows an OFDM signal to be generated based on an input data file. The data can be random data, a grey scale image, a wave file, or any type of file. The generated OFDM signal is stored as a windows wave file, allowing it to be viewed, listened to and manipulated in other programs. The modified wave file can then be decoded by the receiver software to extract the original data. This code was developed for the experiments that I performed in my honours thesis, and thus has not been fully debugged.
This is the original code developed for the thesis and so has several problems with it. The BER performance given by the simulations is infact Symbol Error Rate.
-This code was used for making the practical measurements in section 2.3 of my thesis. This M atlab code allows an OFDM signal to be generated based on an input data file. The data can be rando m data, a gray scale image, a wave file, or any type of file. The OFDM signal is generated stored as a windows wave file, allowing it to be viewed. listened to and manipulated in other programs. The modified wave file can then be decoded by the receiver software to extract the original data . This code was developed for the experiments th at I performed in my honors thesis, and thus has not been fully debugged. This is the original code developed for the thesis and so ha 's several problems with it. The BER performance given by the simulations is infact Symbol Error Rate.
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Size: 161792 |
Author: 王文 |
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Description: 在COFDM传输过程中白噪声的影响。信噪比从0～20db，BER的变化。调制方式：BPSK/QPSK/16PSK-COFDM transmission in the course of white noise impact. Signal-to-noise ratio from 0 ~ 20db, BER changes. Modulation : BPSK/QPSK/16PSK
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Size: 14336 |
Author: 于蕾 |
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Description: 本例用matlab语言实现了4QPSK的编解码及通过awgn信道的仿真。采用蒙特卡罗仿真法，得到误码性能，绘制曲线。可用于算法研究或课程学习。-Matlab language used in this case achieved 4QPSK codec and channel through awgn simulation. Monte Carlo simulation method, the BER performance, drawing curves. Algorithm can be used for research or courses.
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Size: 43008 |
Author: 孙枫 |
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Description: AWGN信道下Turbo码误比特率模型
在实验基础上，通过曲线拟合等数学工具，得到加性高斯白噪声信道条件下，信道编码采用turbo码，通信系统端到端的误比特率经验模型。-AWGN channel Turbo code bit error rate model in an experimental basis, through curve fitting and other mathematical tools, to be additive white Gaussian noise channel conditions, channel coding using turbo codes, end-to-end communication system bit error rate empirical model.
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Size: 391168 |
Author: 子羽 |
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Description: 在QPSK下的OFDM误码率仿真程序，其中包含comb.m，delay.m，fade.m，giins.m，girem.m，ofdm_fading.m，qpskdemod.m，qpskmod.m，sefade.m这些文件-Of OFDM in the QPSK BER simulation program, which includes comb.m, delay.m, fade.m, giins.m, girem.m, ofdm_fading.m, qpskdemod.m, qpskmod.m, sefade.m these documents
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Size: 7168 |
Author: 梁超 |
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Description: 绍了数字通信中的Q PSK 调制解调的原理和过程, 通过用M atlab 对这一过程的编程, 分析信号在
理想信道和加噪信道中模拟传输时的时域图, 并用蒙特卡罗方法, 讨论模拟过程中的误码率, 所得结果与理论
结果基本一致.
关键词:Q PSK 系统仿真 蒙特卡罗分析 M atlab-Shaozeng digital communications Q PSK modulation and demodulation principle and process, M atlab through the process of programming, analysis of signal processing in the ideal channel noise channel analog transmission of time-domain diagram, and Monte Carlo methods discussed in the process of simulation BER results are basically consistent with the theoretical results. Key words: Q PSK System Simulation Monte Carlo Analysis of M atlab
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Size: 1070080 |
Author: zhanghuan |
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Description: 程序仿真了关于扩频系统在两种信道下的误码率-Process simulation of the spread spectrum system in about two channel BER
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Size: 4096 |
Author: tome |
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Description: computing the BER for QPSK in STBC-OFDM-computing the BER for QPSK in STBC-OFDM
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Size: 1024 |
Author: greenhill |
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Description: QPSK系统在无线通信信道中的仿真,通过对有若干条（大于2条）路径的无线多径衰落信道中的QPSK系统进行误码率性能仿真，并在与理想的高斯加性白噪声信道中同样系统的BER性能进行比较，利用SA方法给出本仿真模型的仿真结果-QPSK system in the wireless communications channel simulation, through a number of articles (more than 2) the path of wireless multi-path fading channel QPSK system BER performance simulation, and at high places like the ideal of white noise channel BER performance of the same system for comparison, using SA method give the simulation model of the simulation results
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Size: 2048 |
Author: andy |
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Description: the simulation of BER for QPSK in OFDM system
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Size: 6144 |
Author: si |
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Description: 设计了一个OFDM接收机，并采用1fI公司的TMS320C6416芯片进行实现。在假设理想
同步的前提下，该系统进行了FFT变化、使用了Ls(最小二乘法)进行信道估计，并且采用了
QPSK算法进行解调。最后将接收机输出数据与发端数据进行比较，在不同信噪比情况下计算其
误码率，得出了比较理想的结果。-An OFDM receiver is designed in山is paper and realized on the platform of the 1MS32OC6416 chip
of the TI company．Under the assumption of ideal synchronization．n叩transformation is realized in the system
wit}l LS method implemented in the channel estimation module and QPSK used in the demodulation module．
Finally，BER is calculated in different cases of SNR and the result is achieved as expected．
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Size: 243712 |
Author: 王熹 |
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Description: qpsk通信系统误码计算 System error Simulation Analysis between AWGN and Rayleigh channel -ber calcution in qpsk system
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Size: 1024 |
Author: 汪伟 |
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Description: DS-CDMA的MMSE算法程序，给出了不同信噪比下的BER性能比仿真曲线。-DS-CDMA of the MMSE algorithm program are given under different signal to noise ratio curve of BER performance than emulation.
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Size: 2048 |
Author: 杨俊炜 |
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Description: 要求对有3条固定路径的AWGN多径信道中的QPSK系统进行BER性能仿真，并与在理想的AWGN信道中同样系统的BER性能进行比较。熟悉瑞利平坦衰落、莱斯平坦衰落与频率选择性衰落的特点，比较这些衰落信道的误码率。-Required to have three fixed-path AWGN multipath channels of QPSK system BER performance simulation, and in an ideal AWGN channel with the same system BER performance comparison. Familiar with the Rayleigh flat fading, Rice flat fading and frequency selective fading characteristics, compare the bit error rate fading channel.
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Size: 1024 |
Author: 沈岗 |
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Description: 我们将通过MATLAB仿真在发送平均功率和传输速率相同的情况下，在传输特性为理想的平的和非平(即存在码间干扰)的信道上，对多载波OFDM和单载波QPSK的误码率进行比较。-We will send the average power by MATLAB simulation and the transmission rate in the same circumstances, in the transmission characteristics of the ideal of peace and non-flat (as is the inter-symbol interference) of the channel, multi-carrier OFDM and single carrier QPSK BER rates were compared.
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Size: 51200 |
Author: 刘凡 |
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Description: QPSK传输系统在随机高斯信道和瑞利衰落信道下的误码率计算。-QPSK transmission system in the random Gaussian channels and Rayleigh fading channel bit error rate.
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Size: 3072 |
Author: 伍小梅 |
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Description: This file contains the matlab code for calculating BER of QPSK over an AWGN and Multipath environment.It includes the matlab code plus the resulting graphs
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Size: 34816 |
Author: sufyan |
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