HFSS天线设计基础实例

matlab实现QPSK调制,分别给出了相位选择法和I Q两路正交调制相加发实现QPSK调制，给出了QPSK调制后的功率谱密度。

西门子S7-300和S7-400的梯形图编程手册,供需要的人参考-Siemens S7-300 and S7-400 of the ladder programming manual for those who need it for reference

应用背景应用于楼宇对讲设备管理，中心管理，呼叫对讲，视频查看等等。关键技术视频查看，语音对讲，基于天敏视频采集卡SDK3000开发的视频监控系统。采用串口通信将硬件系统和软件系统进行连接。数据的传输方面我们做了细致的优化，达到了报警信息和对讲功能的实现更加快捷。实现中心监控门口和围墙机，室内机对中心的呼叫与监控，门口机和围墙机呼叫中心并自动开启监控。系统包含：小区结构、呼叫对讲、 报警监控、信息发布、门禁管理、巡更打卡、信息查询、系统设置以及智能社区等功能模块。

A Genetic Algorithm Approach to Scheduling Communications for a Class of Parallel Space-Time Adaptive Processing Algorithms

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CE上用C++写的可以播放GIF动画的例子，可以随便在Windows和Mobile上用-CE using C++ Writing can play GIF animation example, you can easily use Windows and Mobile

modbus协议电子版

Polarization beam splitters and 3dB couplers are used to construct a home-made90 ° optical hybrid, by  which polarization diversity optical coherent receiver is carried out with single-ended detection.A10Gb / s oscillation multiplexed differential phase shift keying (DPSK) signal is transmitted through280km Standard single- mode fiber (SSMF) using erbium-doped fiber amplifier (EDFA) amplification, and no error bits are measured in th result.

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中文版本的RFC3261文档，内容非常详细准确，如果觉得英文文档不容易理解，这个文档就比较合适了。-Chinese version of the RFC3261 document, the content is very detailed and accurate, if they feel the document is not easy to understand English, this document would be more appropriate in.