电视放大器
- television amplifier
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有线电视放大器最高输出电平设计和失真指标核算新方法
New Method for Designing Maximum Output Level and Calculating Distortion Index of CATV Amplifiers
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有线电视放大器工作特性分析
The Cabled TV Enlarger Work Characteristic Analysis
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电缆电视放大器中的非线性失真
Non-linear Distortion Level in CATV Amplifier
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电视天线放大器的实验研究与发展分析
The Experiment Research and Development of TV Antenna Amplifier
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电缆电视系统放大器非线性失真与最大输出电平测试
Measurement of Nonlinear Distortion and Maximum Output Level of Amplifier in CATV systems
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有线电视用户放大器设计和调试的几点经验
Experience of Designing and Debugging CATV Distribution Amplifier
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关于有线电视干线放大器的芯线供电问题
Problems about the Cord Line Power Supply in Applying Cable Television Trunk Line Amplifier
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早期和近年有线电视用户放大器设置与设计方法分析比较
A Comparison of Early Years and Recent Years About Setting and Designing CATV Distributive Amplifiers
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公用天线电视主线放大器
Community antenna television main-line amplifier
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通过制作、仿真及测试,研究并讨论了分立元件电视天线放大器的工作原理及特性。
Through the process of manufacture , simulation and test on discrete-component television-antenna amplifier , the working principle and features are studied .
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有线电视网络智能放大器的设计与应用
The Design and Application of An Intelligent Amplifier in CATV Network
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电缆电视系统中放大器的交调及互调产物
Crossmodulation and Intermodulation products in CATV Amplifiers hank of cable
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它采用了数字信号处理技术来实现,并且利用自适应跟踪补偿功率放大器因环境因素改变而造成的误差,性能优良,十分适合于在数字电视发射机的功率放大器中使用。
It adopts digital signal processing technology and uses adaptive tracking to compensate the errors produced by environmental factors .
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合放式电视发射机中,放大器非线性特性的存在,使得共同放大的图像载波、彩色副载波及伴音载波分量相互作用,产生这三个频率的合、差频失真,即互调失真。
In internally diplexed television transmitter , the nonlinear characteristic of amplifiers results in intermodulation distortion of three frequencies picture carrier frequency , color subcarrier frequency and aural carrier frequency .
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交扰调制比CM和载波互调比IM是电缆电视系统非线性的两项主要指标,本文主要讨论电缆电视系统中放大器变调、互调产物的分布及各种产物的内在联系和积累规律。
This peper describes the distribution of crossmodulation and intermodulation originated along the CATV System , as well as the interrelation and accumulation of those nonlinear products .