This thesis mainly studies efficient physical layer algorithms for CMMB.
本文主要研究CMMB物理层主要模块的算法。
Firstly, this thesis introduces the architecture and key techniques of OFDM-based CMMB system.
本文首先介绍了基于OFDM技术的CMMB系统的体系架构和关键技术。
The decoder employs the Normalized MSA algorithm, and Partially Parallel structure for LDPC code in CMMB standard.
本译码器采用改进的最小和译码算法及符合CMMB标准要求的部分并行译码器结构。
The China Mobile Multimedia Broadcasting (CMMB) network analysis has been mentioned on the agenda of Chinese telecommunication company.
中国移动多媒体广播(CMMB)网络分析已经提到中国各地运营商的日程上来。
Therefore, this thesis focuses on investigating the frame (time-slot) synchronization and symbol synchronization techniques based on CMMB system.
本文将对基于CMMB系统的帧(时隙)同步和符号同步技术展开研究。
In 2006, China set CMMB as the industrial standard of mobile multimedia broadcasting, which also made the related researches more and more attractive.
2006年，我国将CMM B定为移动多媒体广播的行业标准，也使得移动电视接收技术的研究得到越来越多的关注。
The successful development of CMMB receiver will make us convenient to get video, audio, data and other multimedia information via portable equipments.
CMMB接收机的成功开发能够方便人们利用便携式设备接收视频、音频、数据等各类多媒体信息。
The main aim of this work is to research the fractional-N PLL in the CMMB application and the realization of the high performance PFD and CP of the PLL.
本文主要研究CMMB系统应用的小数分频PLL以及系统中高性能的鉴频鉴相器和电荷泵的实现。
In this case, the limitation on the loop bandwidth will impair the settling time of the PLL and make it impossible to serve the requirement of the CMMB protocol.
那么信道带宽对于锁相环环路带宽的限制将会使环路的锁定时间无法满足CMMB通信标准的指标要求。
Various mobile multimedia broadcasting standards have been announced, among which China mobile multimedia broadcasting (CMMB) standard is the one worth paying attention to.
国内外各种移动多媒体广播的标准应运而生，中国移动多媒体广播标准(CMMB)就是其中一个值得关注的标准。
In this paper, the frame structure and multiplex characters of China Mobile Multimedia Broadcasting (CMMB) system are analyzed, and a solution scheme of de-multiplexer is presented.
通过对中国移动多媒体广播(CMMB)系统帧结构、复用特征的分析，提出该系统解复用的一种软件实现方法。
Using CMMB mobile multimedia broadcasting system as the carrier, the design of this paper reduces the cost of telecommunications bandwidth to traditional % 1 when people watch mobile TV.
以CMMB移动多媒体广播系统为载体，将用户移动收看电视节目的成本降低为传统的电信带宽成本的百分之一。
This paper puts up an idea of a unlocking structure based on ARM-LINUX, which can real-timely monitor DTMB and CMMB system after changing the receiving-demodulating module correspondingly.
本文提出了一种基于嵌入式ARM的开放性结构，在改变相应的信号接收解调模块后，可以实现对DTMB、CMMB等系统的实时监测。
This paper puts up an idea of a unlocking structure based on ARM-LINUX, which can real-timely monitor DTMB and CMMB system after changing the receiving-demodulating module correspondingly.
本文提出了一种基于嵌入式ARM的开放性结构，在改变相应的信号接收解调模块后，可以实现对DTMB、CMMB等系统的实时监测。
应用推荐