-
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
-
cma7
利用MCMA对bpsk,qpsk,8psk进行盲均衡,并且求取误码率画出星座图(The use of MCMA on BPSK, QPSK,8PSK blind equalization, and calculating BER draw the constellation diagram)
- 2012-04-23 13:09:39下载
- 积分:1
-
OFDM
一个OFDM在加性高斯白噪声信道(AWGN)和多径瑞利衰落信道(MuhipathReyleighFading)下的调制解调模型,simulink建模,仿真信噪比、频谱图、星座图。(A OFDM in additive white gaussian noise (AWGN) channel and multipath Rayleigh fading channel (MuhipathReyleighFading) of demodulation model, simulink modeling, simulation SNR, spectrum diagram, constellation chart.
)
- 2020-11-12 20:29:44下载
- 积分:1
-
Programación Universitaria
hbhkj ghghjg jhkjg khh
- 2018-02-01 19:09:39下载
- 积分:1
-
communication
说明: cdma系统matlab仿真,在两个用户的背景下采用了直接扩频码实现扩频解扩,bpsk调制解调,程序已经运行过,没有问题!(Establishment of multipath channel model)
- 2020-06-23 09:00:02下载
- 积分:1
-
mcmc1
说明: 基于马尔科夫的图像分割代码,可运行,可运行,可运行(Image segmentation code based on Markov, can run, can run, can run)
- 2019-12-27 20:01:08下载
- 积分:1
-
froq
比较完整的OFDM的仿真模型和源码,有比较完整的设计思路,可供学习(Relatively complete OFDM simulation model and the source code, there is a complete design ideas, to learn from)
- 2017-08-13 17:19:03下载
- 积分:1
-
AWGN
Chirp UWB在AWGN信道下BOK调制误码率(The Chirp-BOK-UWB system has the same BER performance when only AWGN channal.)
- 2021-04-02 09:49:07下载
- 积分:1
-
mobilecomunication
对现代移动通信技术进行概括。
第一章 无线信道
第二章 分集接收与最佳接收
第三章 扩频信号
第四章 信道辨识与均衡
第五章 多用户检测
第六章 阵列信号处理
第七章 通信中的自适应阵列处理
第八章 CDMA系统的信号处理(Modern mobile communications technology to generalize. Chapter I Chapter II radio channel with diversity reception and the best spread-spectrum signals received Chapter IV channel identification and equalization Chapter V Chapter VI Multi-User Detection of Chapter VII of communication array signal processing adaptive array processing in Chapter VIII CDMA system, signal processing)
- 2010-05-17 13:31:47下载
- 积分:1
-
ZFandMMSE
MIMO系统的ZF和MMSE预编码算法-4发4收(ZF and MMSE MIMO system pre-coding algorithm-4 of 4 admission)
- 2021-04-20 11:08:50下载
- 积分:1