论文部分内容阅读
本文介绍了ＴＶ／ＣＯＭ数字视频压缩系统的特点，构成和性能。
卫星数字电视广播系统
【摘 要】
：
本文介绍了ＴＶ／ＣＯＭ数字视频压缩系统的特点，构成和性能。
【出 处】
：
国际广播电视技术
【发表日期】
：
1996年4期
其他文献
A type of interference optical fiber acoustic emission sensor is described.With 10^-10 m level resolution,megahertz-level frequency and response time less than
Si0.8Ge0.2strained epilayer were grown on Si substrates by rapid thermal process/very low pressure-chemical vapor deposition(RTP/VLP-CVD)and implanted with boro
Based on optical fiber technology,the main electric circuit of the remote I/O unit controller is studied.And the application of the system is illustrated.
The force sensing resistor(FSR) and its construction and characteristic are described.By using the optimal electronic interface,the end result which is a direct
The intensity and phase formulas that are valid for the saturation and inter-mediate regime(before saturation)are derived,and the analytical expressions with th
In this paper,a new direct optical triangulation(DOT)for measuring the out-of plane displacement is given.In order to state its principle,DOT is used to mea-sur
Speckle interferometry is an efficient method to analyze a vibration.In cetrain conditions,this technique has some outsanding advantage,and need not strict shoc
美国“大联盟”ＨＤＴＶ系统是为满足北美需求而设计的，它完全基于国际标准，具有很强的灵活性和互操作性。“大联盟”和美国联邦通信委员会的先进电视顾问委员会共同完成了“大联盟”ＨＤＴＶ系
现在要求卫星和地面电视广播机构和有线电视系统的经营者在减少运行费用的同时，提供更高质量和更可靠的传输。欧洲电信一些限制的放宽、允许新的私营公司在从演播室到发射场地
介绍了利用膨化、交联技术制备环保型芯砂黏结剂的方法,讨论了反应条件对黏结剂质量的影响,找出最佳反应条件及工艺配比.试验结果表明,该砂芯黏结剂与传统黏结剂相比,对环境