虽然大多数监控系统都采用序列图像压缩，但是在窄带传输中，序列图像压缩方法会出现图像质量下降和马赛克等现象。
In the spite of use of sequence image compression coding in most monitor system, such problem as the image quality degradation, Mosaic will appear in the narrow band.
首先阐述了实验动物生理参数信息监控及传输系统的基本组成，以及一些相关的硬件和软件设计。
Firstly, this paper introduces the basic parts of information monitoring and transmission system for physiological parameters of laboratory animals and some correlative hardware and software design.
通过比较三种不同的网络通信方式，阐述IP组播技术在嵌入式视频监控系统网络传输方面的优势。
The paper explains the advantages of IP multicast technology in the network transmission of embedded video monitoring system through comparing three kinds of different network communication ways.
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