Description: 本程序用于完成BPSK、QPSK、pi/4QPSK、OQPSK、8PSK、16QAM、32QAM、64QAM和128QAM的调制仿真。并可任意扩展到MPSK和MQAM。程序分成四个部分，fir.m对基带码元序列进行脉冲成型，可选矩形脉冲，升余弦脉冲和平方根升余弦脉冲； modal.m 为主程序，完成岁各种信号的基带星座图映射、脉冲成型和调制；pi4QPSK.m 为pi/4QPSK信号的星座图映射程序；test1.m给出一个简单的频谱显示测试。-This procedure for the completion of BPSK, QPSK, pi/4QPSK, OQPSK, 8PSK, 16QAM, 32QAM, 64QAM and the modulation 128QAM simulation. Arbitrary and may be extended to MPSK and MQAM. Procedures are divided into four parts, fir.m of baseband symbol pulse sequences forming, optional rectangular pulse, raised cosine square root raised cosine pulse and pulse modal.m-based procedures, the completion of the age range of the base-band signal constellation diagram mapping, pulse shaping and modulation pi4QPSK.m for pi/4QPSK signal constellation diagram mapping procedures test1.m given spectrum shows a simple test. Platform: |
Size: 4096 |
Author:徐哲 |
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Description: 本程序用于完成BPSK、QPSK、8PSK的调制仿真。并可任意扩展到MPSK和MQAM。程序分成三个部分：phase.m对基带码元序列进行脉冲成型，可选矩形脉冲，升余弦脉冲和平方根升余弦脉冲； model.m 为主程序，完成各种信号的基带星座图映射、脉冲成型和调制； command.m给出一个简单的频谱显示测试。-This procedure for the completion of BPSK, QPSK, 8PSK modulation simulation. Arbitrary and may be extended to MPSK and MQAM. Program is divided into three parts: phase.m symbol of the baseband shaping pulse sequences, optional rectangular pulse, the square root raised cosine pulse and raised cosine pulse model.m-based procedures, completed a variety of base-band signal constellation mapping , pulse shaping and modulation command.m given spectrum shows a simple test. Platform: |
Size: 4096 |
Author:long |
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Description: In this simulink model , QPSK modulation and demodulation is simulated .A square root raised cosine pulse shaped signal is modulated and given as input to the demodulator.The received signal
is demodulated and given to the detector where it is matched filtered and down-sampled .The effects of symbol timing offset can be seen by varying the phase of down-sampling operation.The signal transmitted is recovered at the detector output.-In this simulink model , QPSK modulation and demodulation is simulated .A square root raised cosine pulse shaped signal is modulated and given as input to the demodulator.The received signal
is demodulated and given to the detector where it is matched filtered and down-sampled .The effects of symbol timing offset can be seen by varying the phase of down-sampling operation.The signal transmitted is recovered at the detector output. Platform: |
Size: 8192 |
Author:quail |
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Description: matlab实现矩形脉冲和根升余弦脉冲的QPSK调制功率谱密度及不同信噪比信道下的星座图，直接运行main函数即可-Plot the power density spectrum of the transmitted signal (e.g., with the matlab function psd) with different pulse shapes. How is it affected if a root raised cosine pulse is chosen instead of a rectangular pulse shape?
Study the signal constellation in the receiver for various values of Eb/N0 for the AWGN channel. Platform: |
Size: 70656 |
Author:岚岚 |
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Description: 在matlab环境下实现通信系统中的BPSK，QPSK，16QAM，调制。成型滤波和匹配滤波都采用根升余弦函数。-In the matlab environment to achieve communication system BPSK, QPSK, 16QAM, modulation. Shaping filter and matched filter are used root raised cosine function.
Platform: |
Size: 4096 |
Author:Fengxiaodong |
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Description: 完整的qpsk通信系统，包括发送端，接收端，在不同的信道模型下的仿真：awgn，rayleigh。包括各种眼图，星座图，基带波形，载波波形。-Complete the qpsk communication system, including the sender, the receiver in a different channel model Simulation: awgn, and Rayleigh. Including a variety of eye diagram, constellation, waveform baseband carrier waveform. Platform: |
Size: 6144 |
Author:leiasdf |
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Description: 铱星系统的空中接口采用QPSK调制，发送滤波器采用平方根升余弦滤波器，该程序是铱星系统的发送信号仿真模型。-Iridium air interface using QPSK modulation, transmit filter using square root raised cosine filter, the program is sending signals Iridium system simulation model. Platform: |
Size: 7168 |
Author:盛兴 |
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Description: 实现QPSK系统的调制解调仿真，基带成形滤波器采用升余弦滚降滤波器，将仿真的误码率与理论误码率作了比较-Implement QPSK modulation and demodulation simulation system, the baseband shaping filter using Raised Cosine filter will BER simulation were compared with the theoretical BER Platform: |
Size: 3072 |
Author:马健 |
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Description: 该程序使用verilog语言，编写了QPSK-DSSS系统的发端，主要模块包括对同相分量和正交分量的扩频，通过根升余弦滤波器，以及与载波相乘等模块。-The program uses the verilog language, written QPSK-DSSS system, the originator, the main modules include in-phase and quadrature components of the spectrum, through the root raised cosine filter, as well as with carrier multiplication modules. Platform: |
Size: 6983680 |
Author:林源 |
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Description: Using the attached Matlab/Octave script, one can plot the time domain and frequency domain representations of the raised cosine filters for different values of . Platform: |
Size: 2048 |
Author:nunungsuheri |
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Description: BPSK与QPSK调制解调系统的Matlab仿真程序；
发送滤波器与接收滤波器均为根升余弦滚降滤波器；
信道噪声为加性高斯白噪声；
绘制BPSK与QPSK调制下的误码率与信噪比曲线图，并与理论曲线进行对比。
-BPSK and QPSK modulation and demodulation systems Matlab simulation program transmit and receive filters are root raised cosine filter roll-off filter channel noise is additive white Gaussian noise draw BER BPSK and QPSK modulation with a letter under noise ratio graph and compare with the theoretical curve. Platform: |
Size: 2048 |
Author:WatcherVC |
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Description: 仿真高斯白噪声信道下QPSK的Eb/N0与误比特率之间的关系。
要求：
任选一种工具进行仿真：SPW、Matlab、Simulink。
成型滤波器采用根升余弦滚降滤波器，滚降系数为0.5，过采样因子为4
要求仿真至1e-5误比特率 。
与理论值对比，绘出对比曲线-Simulation of Gauss white noise channel QPSK between Eb/N0 and bit error rate of the relationship.
Requirement.
Optionally, a tool for simulation: SPW, Matlab, Simulink.
Shaping filter using the root raised cosine filter, roll off factor of 0.5, over sampling factor of 4
Requirements of simulation to 1e-5 bit error rate.
Compared with the theoretical value, draw the contrast curve Platform: |
Size: 1024 |
Author:李硕 |
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Description: BPSK 与QPSK 调制解调系统的Matlab 仿真程序,发送滤波器与接收滤波器均为根升余弦滚降滤波器；信道噪声为加性高斯白噪声
绘制BPSK 与QPSK 调制下的误码率与信噪比曲线图，并与理论曲线进行对比-BPSK and QPSK modulation and demodulation system Matlab simulation program, send and receive filters are root raised cosine filter roll-off filter channel noise, BER and SNR draw BPSK and QPSK modulation under additive white Gaussian noise than the graph and compare with the theoretical curve Platform: |
Size: 2048 |
Author:asha |
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Description: 分别编写BPSK与QPSK调制解调系统的Matlab仿真程序，要求：发送滤波器与接收滤波器均为根升余弦滚降滤波器；信道噪声为加性高斯白噪声
绘制BPSK与QPSK调制下的误码率与信噪比曲线图，并与理论曲线比较对比-They were written BPSK and QPSK modulation and demodulation system Matlab simulation program requirements: a transmission filter and a reception filter are root raised cosine filter channel noise to draw error BPSK and QPSK modulation under additive white Gaussian noise rate and SNR graph, and compare and contrast the theoretical curve Platform: |
Size: 1024 |
Author:管天 |
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Search - raised cosine qpsk