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Code_16QAM

于 2017-11-21 发布文件大小:7977KB

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光纤通信系统中的相干光仿真，包括数字信号处理的全部过程和光纤信道的建模，针对16QAM的调制格式，带有Nyquist信号生成(Coherent light simulation in optical fiber communication system, including the whole process of digital signal processing and the modeling of optical fiber channel)

文件列表：

Code_16QAM\6001.mat, 4171894, 2015-06-11
Code_16QAM\6002.mat, 4251906, 2015-06-11
Code_16QAM\decision.m, 269, 2015-06-01
Code_16QAM\Demapping.m, 175, 2014-09-09
Code_16QAM\Demodulation_D16QAM.m, 1690, 2015-06-02
Code_16QAM\DirectDownConversion.m, 19765, 2015-06-23
Code_16QAM\func_hybridIQcomp.m, 287, 2015-06-08
Code_16QAM\Modulate.m, 133, 2013-02-18
Code_16QAM\Q_Cal.m, 883, 2015-06-12
Code_16QAM

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sivSimulaoion
说明： Simulation of a UWB transmitter implementing PAM with TH div hr(Simulation of a UWB transmitter implementing PAM with TH div h)

2019-03-27 02:35:52下载

积分：1
Optimal-power-allocation-for-AF
。研究了瑞利衰落信道下两跳放大前传协作中继系统的最优化功率分配问题。推导了高信噪比条件下的协作中继系统的中断概率的理论公式. 协作中继放大前传最优化功率分配误符号率中断概率(Optimal power allocation for two hops amplify- and- forward cooperative relaying communication systems in Rayleigh fading channel was studied. cooperative relaying amplify-and-forward optimal power allocation symbol error rate outage probability)

2011-11-29 17:31:36下载

积分：1
MATLAB-QPSK
matlab，QPSK,通信系统，调制，解调，信号波形，频谱(matlab, QPSK, the communication system, modulation, demodulation, the signal waveform, the spectrum)

2012-11-21 21:44:21下载

积分：1
时频信号分析
实现绘制信号的功率谱，两重自相关，滤波后时域，滤波器，频谱图，信号时域图以及自相关函数图等功能(The functions of drawing signal power spectrum, double correlation, filtering time domain, filter, spectrum, signal time domain and autocorrelation function diagram are realized.)

2021-03-01 21:39:34下载

积分：1
JYTJQL
说明：这是外汇活动中的一种可以从多种货币的汇率差异中,获得利润(This is one of the foreign exchange activities that can be profited from the exchange rate differences of multiple currencies.)

2019-01-01 05:37:39下载

积分：1
北斗2.1协议
北斗通信设备通用的协议，串口通信与北斗卫星的通信协议，(The general protocol of Beidou communication equipment, serial communication protocol with Beidou satellite)

2020-09-23 12:17:49下载

积分：1
OFDM
说明： OFDM系统仿真，分析了AWGN信道和瑞利衰落信道下的ber曲线(The simulation of OFDM system analyzes the BER curves of AWGN channel and Rayleigh fading channel)

2020-05-22 10:21:03下载

积分：1
nakagami
Nakagami信道仿真，看后能够用三种方法仿真出Nakagami信道~可以向我要源代码(Nakagami channel simulation, three ways to look after the simulation the Nakagami channel ~ I want the source code can)

2010-11-06 13:54:29下载

积分：1
ansys-APDL-training
APDL 培训资料，很好的学习ansys的资料(APDL training materials, information on good learning ansys)

2011-06-07 22:48:06下载

积分：1
PCM
说明：在实际的调谐解调电路中，采用的是非相干载波解调，本振信号与发射端的载波信号存在频率偏差和相位抖动，因而解调出来的模拟I、Q基带信号是带有载波误差的信号。这样的模拟基带信号即使采用定时准确的时钟进行取样判决，得到的数字信号也不是原来发射端的调制信号，误差的积累将导致抽样判决后的误码率增大，因此数字QPSK解调电路要对载波误差进行补偿，减少非相干载波解调带来的影响。(In the actual tuning and demodulating circuit, non-coherent carrier demodulation is adopted, and the frequency deviation and phase jitter of the local oscillator signal and the carrier signal of the transmitting end are present, and thus the demodulated analog I and Q baseband signals are signals with carrier error.)

2019-01-30 20:16:08下载

积分：1

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