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ch03

于 2012-06-12 发布文件大小:2598KB

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杨建国老师的通讯原理课件，第三章模拟信号的调制与解调，主要讲述信号产生与调制，射频特性，解调，MSK、GMSK、PSK、QPSK、BPSK、QAM等原理(Yang Jianguo teacher communication principles of courseware, the third chapter of the analog signal modulation and demodulation, and focuses on the signal generation and modulation, the RF characteristics, demodulation, MSK, GMSK, PSK, QPSK, as BPSK, QAM and other principles of)

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ch03.ppt,3209216,2012-06-05

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analysisofIEEE802channel
分析了 IEEE 802.15.4a的信道模型，并分析了现今测距的方法：CHAN与TAYLOR等，并在此基础上做了改进(Analysised the channel of IEEE 802.15.4a,and analysised some methods for TDOA and TOA . )

2009-11-27 22:26:07下载

积分：1
Smoothing-Filter-based-Intensity-Modulation-a-spe
Smoothing Filter-based Intensity Modulation a spectral preserve

2012-06-01 09:06:32下载

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FOCS
《光通信系统》的电子文档，对于学习光纤通信的人有很大的帮助。(The optical communication system, "the electronic document, for learning optical fiber has a lot of help.)

2011-09-20 16:41:51下载

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STK-develop
SIM卡为表示能够执行proactive command且支持SAT，它必须在文件EFphaseTKG EFsst中有相关数据。 Phase文件指的是SIM卡所支持的GSM标准的级数，值为3则指SIM卡支持GSM phase 2和设置下传功能（profile download)。SST文件包含支持哪些GSM性能的准确信息。(SIM card that can support the implementation of proactive command and the SAT, it must file EFphaseTKG EFsst have relevant data. Phase document refers to the SIM card supports the GSM standard series, a value of 3 means the SIM card supports the GSM phase 2 and settings transfer function (profile download). SST file which contains support for GSM performance of accurate information.)

2011-06-16 12:44:25下载

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to2to
二进制格雷码与自然二进制码的互换它就是介绍怎么把二进制格雷码与自然二进制码的互换。主要是异或操作(itis to for 2to 2)

2011-10-21 18:42:17下载

积分：1
Smart-Antennas-For-Wireless-
描述了智能天线在无线通信环境下的各种应用。(Describes a smart antenna in a wireless communication environment, a variety of applications.)

2013-09-09 20:30:32下载

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n428
GSM reading book in the would

2018-01-11 20:53:23下载

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rsvp-agent
GMPLS中的相关信令协议RSVP仿真代码，网上下载的，希望能适合大家(Related signaling protocols in GMPLS RSVP simulation code, download, and I hope we can fit)

2011-06-14 15:38:45下载

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MyTwainScan
因为TWAIN的协议比较复杂,该程序,为你展示了TWAIN的使用(because the agreement is more complicated, the procedures for the display you use the TWAIN)

2007-06-05 16:42:08下载

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ZT-Series-ZigBee
zigbee的一些基础知识，引脚及其相关协议等(basic zigbee )

2011-12-23 17:20:13下载

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ch03

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