communications related knowledge : shortwave, spread spectrum, mobile

一个即时通讯的服务端的源代码。 建立一个即时通讯的服务器。-Instant messaging services to a client

这是一篇OFDM自适应调制与编码的好文章，写方案或者具有设计可以参考。-This is an OFDM adaptive modulation and coding a good article, written with the design of programs or can refer to.

定义从机正在通讯闪灯信号，定义从机通讯传送握手信号，发送子程序，延时子程序-definition of communications from the plane were flashing light signal, the definition transmission from the plane handshake signal, sent subroutine, delay subroutine

对原始的 ALOHA 协议的改进是"时隙 ALOHA"，介绍了离散的时隙，并增加最大的吞吐量。一个站可以发送只有初时隙和因而减少碰撞事故。在这种情况下，我们只需要对传输尝试 1 帧时间内不连续 2 帧-次，担心，因为在每个时隙期间只能发生碰撞。

介绍游戏引擎的关键技术及实现办法，以一个引擎高手的经验为基础，阐述其中的难点和关键点。-Game engine introduction and implementation of key technologies in order to master the experience of an engine based on the difficulties and one of the key points.

直接从DELPHI中向WINFAX发送传真。功能包括：封面，记帐代码，附件，计划发送，显示发送屏幕的选项等。适用语言：D5-Directly from the DELPHI to WINFAX send a fax. Features include: the cover, billing code, accessories, plans to send, send screen display options. The application of the language: D5

NTERNATIONAL TELECOMMUNICATION UNION ITU-T T.4 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (07/2003) ITU-T T.4 2003. SERIES T: TERMINALS FOR TELEMATIC SERVICES Standardization of Group 3 facsimile terminals for document transmission ITU-T Recommendation T.4 ITU-T Rec.

该技术文档比较全面的讲解了vc下的类库MFc操作电话和传真的使用方法和技巧。-more comprehensive account of the library vc Modified operation of the telephone and fax use of methods and techniques.

和MODEM通讯,VB-And MODEM communications, VB

二进制幅移键控（BASK）、二进制频移的现场可编程门阵列（FPGA）实现