编解码技术 meaning in English
asdl
Examples
- This dissertation has studied some key technologies in the field of dpcs on av . first , this dissertation gives a summarize about the development status of the alteration and upgrade in the tv broadcasting system , in which a serious of key technologies of dpcs , including digital compression codec technology , large capacity storage and fault - tolerance technology , network connection technology , and systems security mode , are stressed
论文首先对视频广播行业数字化改造的现状与趋势进行综述,重点讨论了数字播控所涉及的若干关键技术的概况,包括数字压缩编解码技术、海量存储与容错技术、网络互连技术和系统安全备份播出技术等,并对电视节目的制、编、播一体化网络进行展望。 - Furthermore , the xbrother provides a range of hard disks for different demands , in order to make modifying and saving easily and rapidly and to ensure systems stability . transferring , saving and recording in the same time as it keeps view clear and continuous , also stops mosaic in displays . it infinitely improves the vision quality on monitoring and reduces the pressure on users network bandwidth
该系统采用先进的mpeg - 4编解码技术和流媒体技术,使得系统只占用较小的网络带宽就可实现监视传输存储录像的同步进行,同时保证画面清晰连续,决不会出现马赛克画面,极大地提高了监视画面的质量也降低了用户的网络带宽压力,在一定程度上也为用户节省了投资费用。 - More and more people begin to attach importance to its potence gradually . according to the basic principle of vbi , this paper acquires related experience from the advanced technique for delivering of control signals during the period of vbi . it introduces a scheme using a single coaxial - cable to transmit video signals and control signals simultaneously , in which the key technique is the transmission of control signals in the vertical blanking interval of video signals
本文根据场消隐期传输技术的基本原理,通过借鉴国内外场消隐期传输信号的先进技术和相关经验,提出一种新型的综合数据传输业务的应用电视,阐述了其图像信号和控制信号共缆传输的总体设计方案,并结合bch纠错编解码技术和systemview动态仿真软件,实现和验证了控制信号在场消隐期间的稳定可靠传输。 - As we all know , the capability of wireless communication system is constrained by radio propagation channel , especially for future wideband communication system . so it needs more signal processing techniques to withstand bad radio propagation environment , such as diversity combination , coherent detection and channel encoding and decoding etc . for mimo physical layer approaches , channel state information is a prerequisite , thus comes many channel estimation approaches and algorithms
无线通信系统的性能主要受到移动无线信道的制约,特别对未来的宽带移动通信系统更需要采用很多信号处理技术来对抗恶劣的无线传播环境以提高系统性能,比如常见的分集合并、相关检测和信道编解码技术等,而采用这些技术的前提就是要知道信道的状态信息( csi ) 。 - In the fourth part , some key technologies about fine granular scalable video coding , decoding and rate shaping are surveyed , including how to shape the stream to get a better psnr , and how to allocate the rate of base and enhancement layer . a comparison study on the rate shaping analytic model of normal layered coding and fgs coding is presented
另外,本文在对现有的fgs编解码技术深入研究的基础上,改进了精细分层编码中的截取算法,并讨论了码率分配算法,通过实验得到了码率分配的重要结论,且提出和对比了一般分层编码和精细分层编码的码流截取算法解析模型。