我国光纤通信的应用与新进展

简述了“八五”以来我国光纤通信在公用网中的建设情况，着重介绍了我国22条一级长途干线、我国建设的几条国际和地区干线与“九五”发展情况，简要地分析了超常规发展的基本原因。

试论科技论文的编写格式(下)

In recent years,the editorial office of the journal 《Optical Communication Technology》 has received a large number of papers from new writers,many of them are fairly good,but quite a few writers have little knowledge about the form of scientific and technical papers technological periodical.Some papers are not in standard form and have some defects,which makes the papers in comparably low level,eventhough their contents are good.Even a few papers can not be after modification,this is a pity.So this paper will introduce the forms of scientific and technical paper,which includes the definition,main body,preface,punctuation,official measure unit,numerical value amendment of a paper,and a large number of examples are explicated for the reference of the writers and readers.

光纤孤子通信简述

光纤孤子通信是当前通信技术研究的热门课题之一。根据有关资料,本文对这一技术的发展脉络作了概述。对光纤孤子的形成,传输和系统设计方案作了重点介绍。

我国将加快邮电通信建设

据《电子商报》最近报道:今后几年,我国将投入450亿元人民币加快邮电通信建设,投入规模比前5年增长一倍。这是近期在邮电部召开的全国邮电计划会议上传出的信息。国家确定,5年内全国电话交换机总容量将由2057万门增加到3757万门,全国电话机总数将由1273万部增加到2993万部左右,电话机普及率达到2%,其中省会以上城市达到10%以上,京、津、沪、穗达到15%以上。

34所某课题组评为“中电总”先进集体

机电部第34研究所某课题组最近被中国电子总公司评为“七·五”科研工作先进集体,组长曹德述同志被评为“七·五”科研工作先进个人。该课题组研制的数据总线系统是1990年底通过部级鉴定的。

我国光纤通信网的发展趋势

简述了我国光纤通信网从“八五”计划以后，将全部采用同步复接体制传输系统。文中对异步复接体制与同步复接体制的优缺点作了比较，并简单介绍了通信网兼容后采取的基本措施和计划、建设同步系统动态。