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polar_codes
高斯加性白噪声信道下polar码的编译码程序，包括各种示例。(AWGN channel under the polar code codec program, including a variety of samples.)
- 2017-04-22 17:50:59下载
- 积分：1
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5
说明： 5. 在三条径的瑞利信道中，对于直接序列扩频：
(1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法，接收机分别采用等均益合并、最大比合并。用Simulink进行仿真，画出比特信噪比与信道估计均方误差的关系曲线和比特信噪比与误码率的关系曲线。
(2) 设频率已经同步，请设计DS-CDMA一种具体的单停顿滑动相关时间同步方法，用Simulink进行仿真，画出比特信噪比与捕获概率的关系曲线。
(3) 设时间已经同步，请设计DS-CDMA一种具体的频率同步方法，用Simulink进行仿真，画出比特信噪比与频率同步误差的关系曲线。(5. In three-path Rayleigh channel, for direct sequence spread spectrum:
(1) please design a specific code division navigation aided channel estimation method for ds-cdma, and adopt equal-beneficial combination and maximum ratio combination for receivers respectively.Simulink is used to simulate and draw the relationship curve between bit SNR and channel estimation mean square error and the relationship curve between bit SNR and bit error rate.
(2) assuming that the frequency has been synchronized, please design a specific single-stop sliding correlation time synchronization method ds-cdma, Simulink simulation, draw the relationship between the bit SNR and the acquisition probability curve.
(3) if the time has been synchronized, please design a specific frequency synchronization method ds-cdma, Simulink simulation, draw the relationship between the bit SNR and frequency synchronization error curve.)
- 2019-01-15 10:58:23下载
- 积分：1
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collaborative-papers
mimo_ofdm快速时变的一种低复杂度的检测算法在PDF通道，他涉及MIMO-OFDM的基本知识及应用。(Mimo_ofdm fast time-varying a low complexity detection algorithm in PDF channel, basic knowledge and application he relates to MIMO-OFDM.)
- 2013-04-14 22:00:11下载
- 积分：1
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pskfangzhen
实现4psk调制 理论和实际对比的误码率曲线输出(4PSK modulation error rate output)
- 2018-04-20 09:24:46下载
- 积分：1
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QQ
这是一个实现CS的QQ，并带有链接数据库的功能，主要功能有注册，群聊，私聊等(This is a realization of C S of the QQ, and with a link to a database functions, the main function of registration, group chat, private chat, etc.)
- 2013-07-15 16:09:07下载
- 积分：1
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tcm_8psk
说明： TCM-8psk的matlab编码，打开直接运行即可使用
TCM-8psk matlab code, open and run directly(TCM-8psk matlab code, open and run directly)
- 2019-04-03 11:40:14下载
- 积分：1
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ldpc-min-sum
用c语言写的ldpc码的最小和算法译码程序。(The codes are about ldpc decoding,using min-sum algorithm by c++.)
- 2012-12-19 18:06:59下载
- 积分：1
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rs_encoder
说明： 适应多个模式的rs编码，Verilog，选择对应的多项式(RS coding adapted to multiple modes.)
- 2020-06-16 04:40:02下载
- 积分：1
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Superimposed-training
叠加训练序列的最小二乘信道估计与最小均方误差均衡，QPSK调制，做了4次迭代估计的性能对比。(superimposed training, least squares (LS) channel estimation, MMSE equalizer, QPSK modulation, 4 times iteration.)
- 2013-01-16 19:17:18下载
- 积分：1
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understanding-LTE-with-MATLAB
说明： 《全面详解LTE》一书配套代码，代码完整，但是可能存在殷matlab版本问题而无法运行的情况(Complete Code for "Comprehensive and Detailed Explanation of LTE")
- 2019-05-28 15:23:33下载
- 积分：1
