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Description: Matlab QPSK CODE FOR Spectrum
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Size: 657 |
Author: limingliming07 |
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Description: qpsk调制在awgn/rayleigh信道下的误码性能比较，以及信号的功率谱和星座图-QPSK modulation in awgn/Rayleigh Channel Performance Comparison of error, and the signal power spectrum and constellation
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Size: 5120 |
Author: 徐鹏 |
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Description: 带瑞丽衰落信道高斯白噪声的QPSK调制解调信道，可以得到功率谱波形和星座图-with Ruili fading channel Gaussian white noise QPSK demodulator access that can be power spectrum waveform and constellation
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Size: 52224 |
Author: 吕军红 |
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Description: 本文介绍了QAM调制、解调和判决原理，讨论了QAM的误码率性能，并在SystemView下对QAM调制、解调系统进行了仿真，观察并分析了原始输入信号、调制信号、解调信号、星座图以及QAM信号的功率谱图。-QAM modulation, demodulation and sentencing principle, the QAM BER performance, and right under the SystemView QAM modulation, demodulation system for simulation, observation and analysis of the original input signal, signal modulation, demodulation signal constellation map and QAM signals in the power spectrum.
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Size: 124928 |
Author: |
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Description: mc-cdma扩频通信系统中误码率分析仿真与编写-mc-CDMA spread-spectrum communication system BER simulation and analysis prepared
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Size: 5120 |
Author: na |
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Description: 此程序实现了用matlab仿真qpsk的调制过程，并绘出调制图形及频谱-this program by using Matlab simulation qpsk the modulation process, and draw graphics and modulation spectrum
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Size: 2048 |
Author: 杨杨 |
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Description: 在matlab平台下产生信号序列通过QPSK方式调制通过高斯信道以及瑞利信道，对其中的过程的信号时域以及其频谱，星座图情况进行分析-Matlab platform in the signal sequence under way through the QPSK modulation, as well as through the Gaussian channel Rayleigh Road, on which the process of time-domain signal and its spectrum, constellation diagram analysis
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Size: 4096 |
Author: 祝建 |
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Description: 这是一个用matlab来实现的QAM,QPSK程序，可显示星象图，调制解调的信号波形和频谱波形-This is a matlab achieved by QAM, QPSK procedure shows astrology chart, modulation and demodulation of the signal waveform and spectrum waveform
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Size: 63488 |
Author: 叶丽芳 |
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Description: matlab编写的有关直接序列扩频的代码，得出采用DSSS扩频的误码率-matlab prepared by the direct sequence spread spectrum code, come to the use of spread spectrum DSSS BER
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Size: 1024 |
Author: 吴琼 |
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Description: C 程序
球面方位角算法： azimuth.cpp
CRC校验快速算法： CRC_Table.cpp
解扰码算法： scrambler.cpp
Matlab 程序
信号带宽测量： BandWith.m
带通信号下变频： fqmv.m
QPSK 解调 demodQpsk.m
pwelch求功率谱的算法 psdwh.m
均值滤波算法 cvmn.m
信号正交分解： Cnv2Bas.m-C procedures spherical azimuth algorithm: azimuth.cppCRC Fast Algorithm checksum: CRC_Table.cpp Descrambling code algorithm: scrambler.cpp Matlab signal bandwidth measurement procedures: BandWith.m bandpass signal down-conversion: fqmv.mQPSK demodulator for demodQpsk.mpwelch power spectrum algorithm psdwh.m mean signal filtering algorithm cvmn.m orthogonal decomposition: Cnv2Bas.m
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Size: 5120 |
Author: HANYUFEI |
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Description: 就是qpsk用matlab实现调制解调以及扩频接扩-Is the QPSK modulation and demodulation using matlab to achieve, as well as expanding access spread spectrum
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Size: 22528 |
Author: 李方 |
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Description: 使用matlab程序实现了由随机序列到码元电平、m序列直接扩频解扩、qpsk调制解调，射频调制解调一个完整的qpsk系统过程-Matlab program to use by the random sequence to the symbol level, m direct sequence spread spectrum despreading, qpsk modulation and demodulation, RF modulation and demodulation of the QPSK system, a complete process
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Size: 8192 |
Author: 朱丽平 |
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Description: QPSK的扩频调制解调的simulink仿真，误码率统计等-QPSK spread spectrum modulation and demodulation of simulink simulation, error rate statistics
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Size: 7168 |
Author: 吴华明 |
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Description: 关于无线信道的多普勒谱
无线信道中的多普勒谱有一种经典谱请解释产生这种谱形状的机理；-1. On the radio channel of the Doppler spectrum (2) wireless channel Doppler spectrum has a classic spectrum (classic spectrum), please explain such a spectral shape of the mechanism
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Size: 33792 |
Author: bill |
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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.
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Size: 4096 |
Author: long |
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Description: hi please give me the code of QPSK
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Size: 1024 |
Author: rupam goswami |
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Description: 本仿真程序对一串二进制信息进行QPSK调制，并画出其波形图和功率谱，在某种无线AWGN信道上进行传输，然后并在接收端进行解调，最后画出其误符号性能曲线-The simulation program for a string of binary information in QPSK modulation, and draw the waveforms and power spectrum, in some wireless AWGN channel for transmission, and then demodulates at the receiving end, the final draw its symbol error performance curve
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Size: 186368 |
Author: gudeyi |
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Description: QPSK-DS信号中的扩频序列提取技术，通过以上技术，实现对系统结构的优化。-QPSK-DS spread spectrum signal sequence of extraction technology, through the above technology to realize the optimization of the system architecture.
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Size: 393216 |
Author: 党秀 |
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Description: qpsk的频谱图和星座图，然后添加高斯白噪声后观察-qpsk spectrum and constellation diagram, and then add white Gaussian noise was observed after
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Size: 1024 |
Author: 鑫神 |
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Description: 1在数字信号的调制方式中QPSK是最常用的一种卫星数字信号调制方式,它具有较高的频谱利用率、较强的抗干扰性、在电路上实现也较为简单。
2主要包括QPSK的调制解调(1, in the way of digital signal modulation, QPSK is the most commonly used method of satellite digital signal modulation. It has high spectrum utilization, strong anti-interference and simple implementation on the circuit.
2 mainly includes modulation and demodulation of QPSK)
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Size: 5120 |
Author: mike123
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