The multiplexed frame structure and its characteristics are analyzed in detail . in this paper , the principles of synchronization search in and synchronization verifying on the multiplexing procedure are presented 详细分析了复接帧结构及其特点,论述了在复接过程中同步搜索与同步校核的原理。
Consequently , the author presents the basic principle of ofdm , and the process how to utilize the certain technology based on fft & ifft to realize the ofdm system 描述了802 . 11协议介质访问控制层和物理层的操作及帧结构。接着,作者论述了ofdm的基本原理,以及如何用基于fft和ifft的技术实现ofdm系统。
Aaon is an active optical network where atm is adopted to transmit broadband and narrowband cells on the optical ring via the sdh frame structure . the service node interface is stm - n 宽带有源光网络采用atm传送技术,利用sdh帧结构在光纤传输环上传送各种宽带和窄带业务的信元,业务节点接口采用stm - n接口。
In the beginning , the dissertation gives an overview of digital video system and an introduction of the format of mpeg - 2 transport stream , mpeg - 2 physical interface and frame structure of ds3 stream 文章首先介绍了关于数字电视系统的一些基本概念, mpeg - 2传送流格式和mpeg - 2的物理接口,以及ds3码流的帧结构。
Major work of mine : based on the theories of structure of the system , accomplishing the designing of the data frame structure of the interface of the soft and hardware , and fulfilling the effective communication of the data 本人在本课题所做的工作:根据系统组成原理,完成设计软硬件接口的数据帧结构,达到数据的有效通信。
An transmission frame architecture and ofdm character architecture applicable to ofdm discussion on theoretical analysis on the estimate channel modules , five , the article introduces the long distance wireless communication are also presented 并确定了系统的传输参数。同时提出了一个适用于ofdm无线远距离移动通信的传输帧结构和ofdm符号结构。
The preliminary ofdm transmitting frame structure and processing architecture are proposed for the frequency hopping application . chapter four is detailed presentation of our hardware platform , software architecture and the field - test result of our software platform 同时,本章还对在跳频体系下如何建立ofdm系统做出了尝试,给出了初步的帧结构和信号处理流程,并给出了具体仿真。
Apon is a passive optical network where atm is adopted to transmit broadband and narrowband cells via the sdh frame structure . the service node interface is stm - n . the statistical multiplexing feature of atm enables a concentrated transmission of broadband services in apon Apon是在无源光网络中采用atm传送技术,利用sdh帧结构传送各种宽带和窄带业务的信元,业务节点接口采用stm - n接口。
Based on mupma protocol , a qos - supporting upma protocol , qupma protocol , is present . qupma has a unique frame structure and a priority - based access algorithm , which guarantee both the access and the transmission of real - time traffic prior to those of non - real - time traffic 以mupma协议为基础,我们还提出了一种支持qos的upma协议( qupma协议) ,它采用一种独特的帧结构和基于优先级的接入竞争算法,保证实时业务能够优先接入和优先传输。
Normally , we search the frame synchronization through computing the peak of self - correlation . because of frequency offset , the peak of self - correlation maybe vanishes . first , this thesis presents a solution trough compute the peak of auto - correlation basing on the standard 802 针对传统相关检测对载波频偏偏差敏感的问题,根据802 . 11a传输的帧结构特点,这儿提出了共轭互相关检测的帧同步算法,从而消除载波频偏对帧同步相关检测的影响。