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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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ofdm-mimo-2x2-master
仿真MIMO系统，采用STBC编码，发射天线数目为2，接收天线数目为2(The MIMO system is simulated with STBC coding, the number of transmit antennas is 2, and the number of receiving antennas is 2)
- 2021-04-04 22:49:04下载
- 积分：1
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scps-tp
scps-tp协议中在opnet仿真软件中的实现代码(The expansion of the transmission window in the SCPS-TP protocol and the snack mechanism and the Vegas algorithm to implement the code in the OPNET simulation software)
- 2020-11-09 15:39:46下载
- 积分：1
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gmsk
说明： 通过运用t2f f2t函数运行gmsk(Running GMSK with t2f F2t function)
- 2020-11-02 10:19:53下载
- 积分：1
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Modbus_Protocol-RTU_C51_Program
Modbus协议及Modbus RTU的C51编程(Modbus RTU Modbus protocol and the C51 programming)
- 2011-08-23 17:20:33下载
- 积分：1
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smart-antenna
智能天线波束赋形算法研究,对天线中的波束形成算法分析的非常深入。(Smart antenna beamforming algorithm, in the antenna beam to form a very in-depth analysis of the algorithm.)
- 2012-05-17 09:21:30下载
- 积分：1
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PUSCH_mapping
该程序为LTE中3GPP协议的PUSCH信道的物理资源映射程序，可进行物理层链路的资源映射部分(The program is a physical resource mapping program for the PUSCH channel of the 3GPP protocol in LTE, and the resource mapping part of the physical layer link)
- 2017-09-26 21:29:05下载
- 积分：1
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MUSIC算法MATLAB程序
一维misic算法的doa估计matlab程序(Matlab program for DOA estimation of one-dimensional misic algorithm)
- 2018-12-17 16:31:54下载
- 积分：1
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基于MATLAB直接序列扩频通信系统
说明： 分别用M序列gold序列正交gold序列设计直接序列扩频通信系统并分析误码率(Using m-sequence gold sequence orthogonal gold sequence to design DSSS communication system and analyze the bit error rate)
- 2020-11-25 14:29:33下载
- 积分：1
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digital-modulation-and-demodulation
数字调制解调信号ask fsk bpsk qpsk 16qam 64qam(digital modulation and demodulation )
- 2012-05-05 09:56:20下载
- 积分：1
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