光纤有线电视
- 网络catv
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AM-VSB光纤有线电视系统的设计
A Design of AM-VSB Optical Fiber CATV system
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自动增益控制模拟光接收机广泛应用于光纤有线电视、光纤直播卫星电视、无线通讯及雷达等射频微波信号光传输,是实现大动态范围光载波信号高质量接收必不可少的一项技术。
Indispensable for high quality optical carrier signal reception in a large dynamic range , AGC analog optical receivers are widely used in the optical transmission of radio and microwave signals , such as fiber CATV , direct broadcast satellite TV , wireless communication and radar .
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第三种是电载波作为副载波的频分多路(SCM),由一个光载波传输,用于光纤有线电视(CATV)广播网。
The third form is to use a single optical carrier transmitting frequency division multiplex of electrical carriers as sub-carriers ( SCM ), to be applied to opical fiber cable television ( CATV ) broadcasting network .
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光纤有线电视的技术考虑
Technical Considerations on Optical Fiber Cable Television
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另外,概述了光纤有线电视传输,从传输的观点分析了调频制和调幅制的信噪比。
In addition , this paper analyses the signal-to-noise ratio for AM and FM format in TV transmission on optical fiber .
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外调制光纤有线电视发射机中一般采用预失真补偿技术以提高其复合三阶差拍失真指标。
The predistortion linearization technique is usually used to suppress the composite triple beat distortion ( CTB ) in optical fiber amplitude modulated cable television ( AM CATV ) externally modulated transmitters .
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受激布里渊散射(SBS)的抑制性能是光纤调幅有线电视外调制发射机的关键指标之一。
The performance of Stimulated Brillouin Scattering ( SBS ) suppression is one of the key parameters in optical fiber AM CATV ( amplitude modulated cable television ) externally modulated transmitters .
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光纤与有线电视教学系统
Optical Fiber and Cable TV Teaching System
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激光抖动法抑制光纤调幅有线电视外调制传输中的受激布里渊散射
Laser Dithering to Suppress Stimulated Brillouin Scattering in ? Optical Fiber AM CATV Externally Modulated Transmission System
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光纤技术在有线电视系统中的应用不仅克服了同轴电缆网络的不足,并为CATV的大规模化、多频道化、多业务化、多功能化开辟了广阔的发展道路。
The application of optical fibre technique in CATV system not only overcomes the shortcomings of coaxial cable network , but also opens a wide developing road for extensiveness , multichannel , multi-profession and multi-function .
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透过光纤有线网络接收电视服务的用户可收看全部35个节目台。
Those served by the fibre-optic network get all 35 channels .
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是光纤通信、有线电视系统施工及维护过程中必不可少的仪器设备。
TK12 is an essential test instrument in Optical Communication , CATV and other Fiber Optic works .
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有光纤放大器的光纤调幅有线电视系统的非线性失真理论研究
Theoretical Study on Nonlinear Distortion in a ? Lightwave AM CATV System with EDFA