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BeiDou-ICD
北斗卫星导航系统空间信号接口控制文件，这是正式版(BeiDou Navigation Satellite System Interface Control Document)
- 2013-03-29 16:13:51下载
- 积分：1
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Linux_ip
详细的讲述了linux的ip/tcp通信部分的协议栈，对开发很有帮助(Linux detail of the ip/tcp communication part of the protocol stack, on the development of useful)
- 2009-04-06 01:45:51下载
- 积分：1
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shibie
用于调制识别的代码，通过提取特征参数，实现bpsk，qpsk等调制方式的识别(For modulation recognition code, through the extraction of characteristic parameters, implementation bpsk, qpsk forms of identification, such as modulation)
- 2009-03-22 14:34:56下载
- 积分：1
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IEC 60870-5-101Transmission protocols
IEC 60870-5-101 通信规约英文版规范(IEC 60870-5-101-2003 Telecontrol equipment and systems Part 5-101 Transmission protocols)
- 2020-06-17 09:20:02下载
- 积分：1
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ZigBee-Quick-Start
ZigBee 短距离、低速率无线网络技术快速入门指南(ZigBee short-range, low-rate wireless network technology, Quick Start Guide)
- 2011-05-24 14:13:05下载
- 积分：1
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qpskAWGNaRayleigh
在高斯白噪声信道和莱斯信道下调制方式为qpsk的基本通信系统的误码率仿真 (In the Gaussian white noise channel and Rice channel qpsk modulation method is the basic communication system BER simulation)
- 2013-08-19 23:17:25下载
- 积分：1
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OWH001102-UMG89000-hardware-introduction-ISSUE1
Huawei UMG89000 hardware introduction ISSUE1.1
- 2011-05-03 22:23:59下载
- 积分：1
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DF-RS-代码
这个程序用蒙特卡洛法计算了单小区用户利用D2D通信解码转发中继选择情况下的误码率(This program calculates the bit error rate of single cell users using D2D communication decode and forward relay selection)
- 2017-08-12 10:30:17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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visible-light-communication
室内可见光通信中通过使用均衡技术来提高马元速率(Indoor visible light communication by using equalization techniques to improve the rate of Ma Yuan)
- 2013-04-15 12:01:42下载
- 积分：1
