主要介绍卫星电视伴音副载波数据传输系统的组成,以及主要实现技术。
This paper introduces composition and realizing technology of satellite TV aural sub-carrier data transmission system.
本文叙述PFM彩色电视双伴音传输设备的主要性能和应用。
This paper describes the major performance and applications of the PFM (pulse frequency modulation) optical fiber transmission equipment for colour TV programs with two accompanying sound channels.
本文分析了电视机检波电路的原理,从理论上说明了伴音第一中频应吸收的强度,以使图象不受伴音干扰。
This article analyses the principle of detecting circuit in TV receiver. and explains theoretically the correct absorption of first sound IF so as to keep the sound from interfering the picture.
本文叙述FM—FM制电视双伴音广播设计的一种新方案及其特点。
A new design scheme for the FM-FM system TV broadcasting with double sounds is described in this paper.
调频比调幅更适合于传送立体声、电视节目的伴音信号。
FM is also better able to transmit sounds in stereo than AM.
调频比调幅更适合于传送立体声、电视节目的伴音信号。
FM is also better able to transmit sounds in stereo than AM.
应用推荐