To this day , the phone system in the former soviet union is a disaster , and many local governments and businesses have leapfrogged a generation of technology , skipping the burden and expense of land phone lines to go straight to cellular 谈到此一问题，让我简述一下美国是如何作出让三军投入战争的决定。我国只会在一个目的下使用武力：保护及提升美国的利益。我认为这些利益可以分为三类。
Network based embedded devices have already come into reality , and they make the most part of information terminal devices these days . the paper introduces the design , implementation and development process of a pda phone system for telecom maintenance purpose 目前，以嵌入式系统为核心的网络终端产品已经成为主要的信息终端之一。论文详述了一款面向电信维护的pda电话系统的设计、实现和开发过程。
Describe in details the process of establish the model of the predication of customer churning of phs ( personal handy phone system ) . the first result of this topic is to analyse the phs ’ s data characteristic . the second result is succeed to establish the data model 本课题的第一个成果是对无线市话小灵通的数据特征进行了全面的分析和总结;第二个成果是在成功分析数据特征的基础上建立了客户流失预测模型。
Through those introductions , the paper summarizes the characteristics of the pda phone system as a general embedded system , and issues several possible improvements . and the author hope the paper is worth reference in further research on other embedded systems 通过这些介绍，本文总结了该系统作为嵌入式应用系统在各方面的特点，同时也提出了若干可能的改进，希望在今后对其他嵌入式系统的研究中可以借鉴。
The main processor we use is tm1300 produced by philips co . tmlsoo has a lot of advantages such as it has vliw which is suited to processing multimedia data and it also have a convenient developing tool . using tm1300 we only need few chips to implement our video - phone system 我们用philips的tm1300作为我们系统的主芯片，再配以必要的外围器件来构成可视电话系统。之所以选择tm1300 ，是因为它是一个高效率的dsp芯片，具有vliw指令，特别适合来进行多媒体处理。
It is expected to be used for 3g personal handy - phone system as standard algorithms which encode speech signals and decode it . additionally , this kind of algorithms which own excellent quality can be application in viewphone and video order programme etc . the thesis introducethe algorithm structure of g . 729 该协议在可预见的将来可能应用于三代移动通信系统中作为语音编解码算法。另外，由于其良好的性能也可应用在多媒体系统中如：可视电话，视频点播等。本论文概要介绍了g . 729协议的算法结构。
The video phone system designed by us is mainly the real - time implement of a - v codec the implement of h . 323 protocol stack and the implement of the network communication protocol for example pppoe smtp and pop3 etc . so we not only ensure that the qos of the a - v codec ' s datum , but also develop the increment services for example e - mail system and browser etc . the paper will emphasis on the graft and realization of the internet protocols h . 263 video codec rate control algorithms for video encoder and optimization methods of the codec based on tm1300 . h . 323 sip , h . 264 and psos + are also simply introduced 本文主要针对作者在实现ip可视电话系统中所从事的研究工作而展开的，将重点放在ip可视电话系统中tcp ip协议栈在psos +上的移植、网络通信协议如pppoe 、 ppp 、 smtp 、 imap 、 pop3 、 dns 、 dhcp等协议的实现、 h . 263视频编码及其码率控制算法研究、视频编码中基于程序结构和7m1300dsp专用指令的优化方法，同时初步介绍h . 323 、 sip 、 h . 264及嵌入式系统中的实时操作系统( rtos ) psos + 。
