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qpsk constellation simulation under rayleigh fading channel-qpsk constellation simulation under rayl eigh fading channel
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采用THP预编码（QR算法）的simulink仿真链路，有16QAM和QPSK两种调制方式，信道为瑞利衰落信道（simulink+m files）-using THP pre-Code (QR algorithm) simulink link, 16 QAM and QPSK modulation. Channel for Rayleigh fading channels (Simulink m files)
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在高斯与一径瑞利衰落信道下对OFDM系统（QPSK调制）的功率普的仿真-in Gaussian with a Rayleigh fading channel right OFDM system (QPSK) Pu Power Simulation
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多径瑞利衰落信道的应用，QPSK信号通过该信道后分析信道冲激响应等-Multipath Rayleigh fading channel applications, QPSK signal through the channel after the channel impulse response analysis, etc.
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QPSK调制信号经过AWGN、Rayleigh衰落信道的误码率-QPSK modulated signal through AWGN, Rayleigh fading channel bit error rate
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OFDM系统仿真，信号采用卷积编码和交织技术、采用16-QAM和QPSK两种调制方式，干扰分别采用多径衰落和瑞利衰落两种。-OFDM system simulation, signal the use of convolutional coding and intertwined technology, using 16-QAM and QPSK modulation in two ways, interference were used to multipath fading and Rayl
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本人收集的关于多径衰落、瑞利，RICE信道、QPSK等仿真程序，经过本人测试，全部可用，并附上测试结果及仿真图.-I collected on the multipath fading, Rayleigh, RICE channel, QPSK simulation program, etc., after I test, all available, along with test results and simulation of Fig.
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这个程序除了接收机同步、信道编码没有加入外，基本上反映了一个OFDM系统的特性：
1. qpsk/16qam/64qam映射、解映射
2. OFDM调制解调（循环前缀，FFT等）
3. 非整数采样时刻多径时延的多径信道
4. Rayleigh或者Rician多径信道
5. 信道的连续时变（非block fading）
6. 线性插值信道估计
7. FFT变换域插值信道估计-In addition to this program receiver synchroniza
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频域不同导频密度的信道估计在被研究，并且在高低时延信道其信道估计被固定了导频分配时域。频域信道估计是基于插补，多项式的广义线性模型（或最小二乘法）和维纳滤波（或线性最小均方误差法）的方法。时域的信道估计是用线性插补完成的。我们通过测量在基于克拉克散射模型的瑞利衰落信道上并带有QPSK调制的粗误码率，已经比较了所有这些方案的结果。-Different pilot density in frequency domain channel estimate to research, and its hi
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matlab仿真qpsk在高斯信道和瑞利衰落信道下的误码率,做的还不错
-qpsk matlab simulation in AWGN channel and Rayleigh fading channel bit error rate, doing pretty good
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QPSK全套仿真程序，包括AWGN/Rayleigh/多径信道。-QPSK matlab simulation in AWGN and Rayleigh fading channals.
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对QPSK系统进行仿真分析，包括理想信道、高斯白噪声信道、先经过瑞利衰落信道再通过高斯白噪声信道的仿真-QPSK system simulation and analysis, including the ideal channel, white Gaussian noise channel, the first after the Rayleigh fading channel and white Gaussian noise channel simulation
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Matlab仿真通信系统的QPSK调制及相关解调，分别仿真数字信号在AWGN信道和Rayleigh衰落信道中的传输，包含内容：QPSK调制后的波形及其功率谱；AWGN信道输出波形及其功率谱；信号在Rayleigh信道之前与之后的星座图；6.用半波分析法仿真在AWGN信道与Rayleigh信道下的传输差错特性-Matlab simulation of QPSK modulation and demodulation of the communication system, are simulate
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QPSK调制后产生QPSK信号，QPSK信号分别通过AWGN信道、Rayleigh衰减信道和Rician衰减信道，分别通过QPSK解调出数字信号，通过输入与输出数字信号的对比计算出仿真过程中的传输误比率，并将其与各衰减信道的理论误比率进行对比-Generate QPSK signal QPSK modulation, QPSK signals through AWGN channel, Rayleigh fading channel and Rician fading channel, resp
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本程序是QPSK信号在瑞利衰落信道下的仿真，已经过本人验证，适合初学者-This procedure is QPSK signal simulation in Rayleigh fading channel, I have been verified, suitable for beginners
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使用半分析半仿真的方法进行QPSK系统仿真，分别计算在高斯信道、瑞利衰落信道、莱斯信道环境下的系统误比特率（BER）-Simulate a QPSK system(without coding), write a summary report in MS Word file containing the following items together with the necessary analysis & discussions.
system diagram
error per
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BPSK QPSK rayleigh fading
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利用matlab建立QPSK基带传输系统,比较AWGN和Rayleigh信道下的系统BER性能。-Using MATLAB to establish QPSK baseband transmission system, the system BER performance comparison of AWGN and Rayleigh fading channels.
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瑞利衰落信道下无分集,2分集,4分集,8分集的qpsk调制并与awgn信道对比-Rayleigh fading channels without diversity, diversity 2, 4 diversity, qpsk modulation diversity and 8 channel contrast with awgn
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this code explains the performance of BPSK and QPSK modulation techniques in terms of there
bit error probability.
this code plots the simulated bit error rate of
bpsk and qpsk in terms of SNR.
both modulation techniques are explained in RAY
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