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SC_4QAM

于 2017-11-21 发布文件大小:44KB

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下载积分: 1 下载次数: 19

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光纤通信系统里的相干系统仿真，相干通信系统中的单载波4QAM信号仿真(coherent fiber communication)

文件列表：

decision.m, 269, 2015-06-01
Demodulation_D4QAM.m, 587, 2015-06-02
Nyquist_4QAM.m, 15019, 2015-11-27
DirectDownConversion_Xiang.m, 25229, 2015-12-02
Nyquist_4QAM_NEW.m, 19909, 2016-01-19
test.m, 16931, 2017-02-27
BPSK_200M.m, 17256, 2017-02-27
BPSK_100M.m, 17305, 2017-02-28
BPSK_100M_new.m, 17069, 2017-02-28
BPSK_200M_new.m, 16841, 2017-04-06
CMA_PDM_QPSK_SIM.m, 14739, 2017-04-06
CMA_PDM_QPSK_SIM_NEW.m, 19189, 2017-07-04
spectrum.m, 2414, 2017-07-04
sspropv.m, 9700, 2013-01-22
PN_laser.m, 194, 2013-01-23
Modulate.m, 133, 2013-02-18
decision_4.m, 372, 2013-10-05

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MiMO
MIMO system...... it employs almouti code using STBC to achive diversity

2009-10-21 20:52:22下载

积分：1
Performance-Evaluation-of-AODV-Protocol-in-MANET-
Performance Evaluation of AODV Protocol in MANET Using opnet

2015-08-10 17:03:33下载

积分：1
mod_qpsk
QPSK调制matlab程序包括基带成型滤波器（升余弦滤波器）(QPSK modulation Matlab procedures including baseband shaping filter (or cosine filter))

2021-03-26 14:59:13下载

积分：1
BlueTooth-tutorial
《蓝牙4.0实战演练》，C2540蓝牙芯片免费高清教程书籍(Bluetooth 4.0 practical exercise, C2540 Bluetooth chip free HD tutorial books)

2013-10-20 08:59:21下载

积分：1
signal-parameter-estimation
本文分析了多级维纳滤波器的特性，在加性噪声和二维天线阵列如均匀圆阵、均匀面阵、十字阵等条件和背景下，对信源个数和信源参数估计问题进行了研究，提出了基于多级维纳滤波器前向分解特性的快速参数估计方法，同时提出了基于多级维纳滤波器的二维ESPRIT参数估计方法，该类方法无需协方差矩阵的估计运算及分解运算，计算复杂度较低。另外，还提出了对信源个数的估计算法。(This paper analyzes the characteristics of multistage Wiener filter, in the additive noise and the two-dimensional antenna array such as a uniform circular array, the uniform array, cross array conditions and background, the source number and source parameter estimation problem undertook study, put forward based on Multistage Wiener filter prior to the decomposition characteristics of fast parameter estimation method, at the same time based on Multistage Wiener filter 2D ESPRIT parameter estimation method, the method does not need to estimate of covariance matrix calculation and decomposition, relatively low computational complexity. In addition, also put forward for source number estimation algorithm.)

2012-03-09 15:45:20下载

积分：1
WinGPC4_13_1_100824Eng
WinGPC4是samsung系统plc编程软件最新版本，适于windows系统编程组态(WinGPC4 is the latest version of PLC programming software in Samsung system. It is suitable for Windows system programming configuration)

2017-11-11 11:06:37下载

积分：1
TCPIP-3
TCPIP协议详解卷三：事务TCPIP协议详解卷三：事务TCPIP协议详解卷三：事务(TCPIP protocol Xiangjie Makizo: Services TCPIP protocol Xiangjie Makizo: Services TCPIP protocol Xiangjie Makizo: Services)

2010-03-13 20:33:45下载

积分：1
HCF-spec160-(Device-Families-Command-Specificatio
HART Communication Foundation - Device Families Command Specification

2020-11-20 14:39:37下载

积分：1
串口通信收发测试
stc15w408as的串口通信，串口通信助手收发数据(Stc15w408as serial communication, serial communication assistant send and receive data)

2018-05-09 14:56:33下载

积分：1
EXIT
本源码包参考英国Southampton大学Robert G. Maunder教授2008年的EXIT charts开源demo，给出了通用(分量码多项式可自定义)并行级联Turbo码的EXIT charts的作图源码。同时可完成迭代轨线、BER等值线的绘制等工作。由于对于码块长较大的情形仿真需要较长时间，源码包也给出了部分分量码多项式的仿真结果，可直接用于绘图。源码包还给出了最经典的S.Ten Brink介绍EXIT charts基本原理的参考文献，以及本人对通信系统中迭代译码过程分析技术综述的小论文，希望对大家有所帮助。(This source package comes after Professor Robert G. Maunder s open source demo about EXIT charts in 2008 from University Southampton, UK. It is designed for universal (constituent code generation polynomial can be customized) Parallel Concatenated Turbo Code EXIT charts. The iterative trajectories and BER contour drawing is also completed in this package. Since the long block case costs a lot of simulation time, some simulation results are included in the package. We also give the most classical introduction to the basic principles of EXIT charts from S. Ten Brink, as well as a document about analysis technologies for iterative decoding process in communication systems. Hope this will help.)

2009-07-12 12:13:21下载

积分：1

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