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Description: MQAM调制方式
本文主要介绍了正交幅度调制(QAM)调制和解调的原理和实现，MQAM与OFDM，MPSK的性能比较，以及MQAM在有扰信道下的性能及其改进方法：信道编码和频域均衡。并在已知特性的通信信道上进行仿-MQAM modulation This paper mainly introduces the quadrature amplitude modulation (QAM) modulation and demodulation principle and realize, MQAM with OFDM, MPSK Performance Comparison, as well as MQAM in Scrambling channel performance and its improvement: channel coding and frequency domain balanced. And characteristics of the communication channel known for imitation
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Size: 5120 |
Author: luobin |
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Description: 使用matlab实现ofdm经过PA后在接收端进行失真抵消算法的仿真，其中调制方式包括mqam或mpsk-After the realization of OFDM using matlab at the receiving end after the PA distortion cancellation algorithm to carry out the simulation, which includes modulation MQAM or MPSK
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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.
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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.
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Size: 4096 |
Author: long |
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Description: 研究相关瑞利衰落信道上MIMO系统中组合发射机选择合并(SC)／4t-收机最大比合并(MRC)的天线分集系统性能。使用矩生成函数方法，推导相关瑞利衰落信道上采用组合SC／MRC天线分集和相干检测的M 进制相移键控(MPSK)，M进制正交幅度调制(MQAM)，M 进制脉冲幅度调制(MPAM)等几种M 进制数字调制方式的误符号率精确表达式。数值计算结果阐明相关性和天线阵结构对采用组合SC／MRC天线分集的几种M 进制数字调制方式的平均误符号率性能的影响。-Research related to Rayleigh fading MIMO channel transmitter system to choose the combined portfolio (SC)/4t-collection machine maximal-ratio combining (MRC) diversity antenna system performance. The use of moment generating function method, Rayleigh fading channel is derived using the relevant combination of SC/MRC antenna diversity and coherent detection of M-ary phase shift keying (MPSK), M M-ary quadrature amplitude modulation (MQAM), M-band pulse amplitude modulation (MPAM), such as several M-band digital modulation modes of expression of symbol error rate of accuracy. The numerical results clarify the relevance and structure of antenna arrays using combinations of SC/MRC antenna diversity of several M-band digital modulation of the average symbol error rate performance.
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Author: dingyuwen |
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Description: 自己编写的，盲源分离算法仿真分析系统（图形界面）又名：独立分量分析；算法种类：自然梯度算法、投影自然梯度算法、FastICA、SOBI、NJD非正交联合对角化。信号种类：
MASK：2ASK，4ASK，8ASK
MPSK：2PSK、4PSK、8PSK
MFSK：2FSK、4FSK、8FSK 分连续相位CPFSK和离散相位DPFSK两种
MQAM：16QAM、32QAM、64QAM、128QAM
OFDM：子载波数可任意选定，映射方式有BPSK、QPSK、4QAM、16QAM、32QAM、64QAM
Sign：符号函数
Noise：噪声-Blind Source Separation（BSS） algorithm simulation and analysis system (graphical interface) algorithm types: natural gradient algorithm, the projection of natural gradient algorithm, FastICA, SOBI, NJD non-orthogonal joint diagonalization. Signals: MASK: 2ASK, 4ASK, 8ASK MPSK: 2PSK, 4PSK, 8PSK MFSK: 2FSK, 4FSK, 8FSK sub-CPFSK continuous phase and discrete phase DPFSK two kinds of MQAM: 16QAM, 32QAM, 64QAM, 128QAM OFDM: the number of sub-carriers can be arbitrarily selected, mapping methods are BPSK, QPSK, 4QAM, 16QAM, 32QAM, 64QAM Sign: sign function Noise: Noise
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Size: 155648 |
Author: 刘卫菠 |
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Description: 数字通信调制信号信号模拟系统
信号种类：
MASK：2ASK，4ASK，8ASK
MPSK：2PSK、4PSK、8PSK
MFSK：2FSK、4FSK、8FSK 分连续相位CPFSK和离散相位DPFSK两种
MQAM：16QAM、32QAM、64QAM、128QAM
OFDM：子载波数可任意选定，映射方式有BPSK、QPSK、4QAM、16QAM、32QAM、64QAM
-Digital communication system signal-signal analog modulation signals Category: MASK: 2ASK, 4ASK, 8ASK MPSK: 2PSK, 4PSK, 8PSK MFSK: 2FSK, 4FSK, 8FSK sub-CPFSK continuous phase and discrete phase DPFSK two kinds of MQAM: 16QAM, 32QAM, 64QAM, 128QAM OFDM: the number of sub-carriers can be arbitrarily selected, and mapping methods are BPSK, QPSK, 4QAM, 16QAM, 32QAM, 64QAM
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Size: 94208 |
Author: 刘卫菠 |
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Description: 本文深入研究了复杂调制信号MPSK、MQAM的倍号子类以及常用恒包络信
号OQPSK、or／4 QPSK、MSK的调制识别披本。在鳆种基本调制识别方法即基于特征提取的方法和基于最大似然的方法的纂础上采用四种算法分别对上述信号进行识别研究。-This article studies the complex modulation signals MPSK, MQAM number of times and the common sub-class of constant envelope signals OQPSK, or/4 QPSK, MSK modulation recognition of this disclosure. Abalone species in the basic modulation recognition method that is based on feature extraction methods and maximum likelihood methods based on the Article on the foundation of four algorithms to identify each of these signals.
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Author: klq |
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Description: 数字通信调制信号模拟系统:MASK：2ASK，4ASK，8ASK
MPSK：2PSK、4PSK、8PSK
MFSK：2FSK、4FSK、8FSK 分连续相位CPFSK和离散相位DPFSK两种
MQAM：16QAM、32QAM、64QAM、128QAM
OFDM：子载波数可任意选定，映射方式有BPSK、QPSK、4QAM、16QAM、32QAM、64QAM
-Digital communication modulation signal simulation system: MASK: 2ASK, 4ASK, 8ASK MPSK: 2PSK 4PSK 8PSK MFSK: 2FSK 4FSK 8FSK continuous phase the of CPFSK and the discrete phase DPFSK both MQAM: 16QAM, 32QAM, 64QAM, 128QAM OFDM: sub- carriers can be arbitrarily selected, and mapping methods are BPSK, QPSK, 4QAM, 16QAM, 32QAM, 64QAM
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Size: 94208 |
Author: 罗梵 |
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Description: MPSK和QAM仿真，AWGN信道，误码率与Es/N0的关系和理论关系式的对比。-MPSK or MQAM modulated signal s relationship between BER and Es/N0 in AWGN channel,compared with the ideal function given by theory.
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Size: 1024 |
Author: jackal |
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Description: 数字调制MASK、MFSK、MPSK、MQAM、OFDM调制，加性高斯白噪声信道、多径瑞利衰落信道建模仿真 -Digital modulation MASK, MFSK, MPSK, MQAM, OFDM modulation, additive white Gaussian noise channel, multi-path Rayleigh fading channel modeling and simulation
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Size: 62464 |
Author: yang |
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Description: MQAM与MPSK的仿真与调试以及对误码率曲线的分析(Simulation and debugging of MQAM and MPSK and analysis of BER curve)
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Size: 2048 |
Author: meng新 |
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