电视发射机是发送电视信号的台站。它是把视频信号和音频信号调制后转换成已调射频振荡,送到天线发射出去,供电视接收机接收。电视发射台设备主要包括机房内的发射机和配属的信号输入、监视、监听、监测设备,室外的馈线、天线和铁塔,还有配电系统、空调、通信设备等附属设施。
... 电脑校对机 electronic-brain collator 电视发射台 television network 电视会议 video conference ...
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他艰苦奋斗了40年在宾夕法尼亚州的伊利周围建立了一系列无线电和电视发射台,现在退休在家坐享回报、颐养天年。
He'd worked 40 hard years building a chain of radio and TV stations around Erie, Pennsylvania, and now was reaping the rewards in retirement.
例如,研究人员上周说,他们已经设法从半公里远的一座电视发射台收集了足够了能量给一个小型温度传感器供电。
For example, the researchers last week said they had managed to gather enough energy from a TV station a half-kilometer away to power a small temperature sensor.
更甚者,有些电视和无线电发射台非法使用该无线电频段。
Making matters worse, some TV and radio transmitters were illegally using that radio band.
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