dfsdfgsdtgregdfs

说明：  CONVERT A MATRIX TO LOWER TRIANGULAR MATRIX

接入网是电信网的重要组成部分。接入网技术的发展，应用和普及令人瞩目，深受世界各国的广泛重视。本书全面介绍了各种接入网技术。全书共分七章，分别介绍了：接入网基本知识、铜线接入技术，电缆调制解调器接入技术，光接入技术，无线接入技术、接入网接口及其协议、接入网网管技术。 在本书的编写过程中，力求做到内容新颖、知识全面、由浅入深、通俗易懂，注重基本概念和基本原理。本书适用于通信工程专业的本科学生和从事相关专业的技术人员使用。(Access Network is a telecommunications network, an important part of. Access network technology development, application and popularization of eye-catching, by the extensive attention of the world. This book gave a comprehensive account of the various access network technologies. Book is divided into seven chapters, namely the introduction: basic knowledge of Access Network, copper access technologies, cable modem access technology, optical access technologies, wireless access technology, access network interface and its agreements, access network management technology. In the book)

说明：  读串口数据并存入指定excel文件，可调巡检次数，巡检时间间隔(Reading serial data and paid into the excel document, adjustable inspection frequency, inspection time interval)

the satellite communication this paper introduced

移动通信中的智能天线系统源代码,波束面向用户,使用空间滤波和波束零陷技术.(Mobile communications in the smart antenna system source code, user-oriented beam, the use of spatial filtering and beamforming technology Null.)

说明：  这是一个通信系统，复用资源下协作方案性能仿真(This is a communication system, the performance simulation of cooperation scheme under reuse resources)

说明：  commuication python uwoc

802 11e协议,在ns仿真中使用,包括使用方法()

计算非平稳随机信号的WVD时频谱的matlab程序(Calculation of non-stationary random signal WVD time-frequency spectrum of the matlab program)

16QAM调制与解调程序，使用matlab运行(16QAM modulation and demodulation process, the use of matlab run)