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本科论文，有限元法求解对流扩散方程。文后有附带的程序，适合入门使用！可以对照文章内容，学习程序!(A paper for FEM.)

optisystem7入门中文讲义（网络版）以及Demo(Introduction to Chinese optisystem7 notes (Online))

信号利用QPSK调制，采用全数字化的频偏估计方法(A full digital frequency offset estimation method using QPSK modulation)

NFC协议第三部分，描述了NFC tag 2 通讯协议(NFC protocol third part describes the communication protocol NFC tag 3)

(ebook pdf) Hacking Cisco Routers

一篇北京邮电大学的博士论文。蜂窝网协作通信及相关技术研究 2010。关键词:协作通信，蜂窝网，多入多出，正交频分复用，频率复用系数，中继 (A Beijing University of Posts and Telecommunications doctoral thesis. Cellular communications and related technology research collaboration 2010. Keywords: cooperative communication, cellular network, multi-input, multiple output, orthogonal frequency division multiplexing, frequency reuse factor, relay)

a reference book about stability of time delay systems

MICREL GIGABIT PHY KSZ9021GQ(I).pdf

103规约，比较全 规约草案 103规约完IEC60870-5-103规约基本要点全版 ProtocolTester.exe 许继103通信规约TCP(many about IEC 103 protocol )

Characterization of Raman-assisted Fiber Optical Parametric Amplifiers Gain