A transmitter sends both audio and video signals over the air waves. Transmitters usually transmit more than one signal (TV channel) at a time. A transmitter modulates both picture and sound into one signal and then send this transmission over a wide range to be received by a receiver (TV set). Dtv Transmitter,Vhf Uhf Tv Transmitter,Terrestrial Tv Transmitter,Tv Channel Transmitter Anshan Yuexing Technology Electronics Co., LTD , https://www.yxhtfmtv.com
Tiananmen Square Olympic Group lights landscape lights for the first time
On July 28th, the Olympic lighting landscape of Beijing Tiananmen Square was lighted for the first time. (Photo by Xinhua News Agency reporter Liu Dawei)
Qianmen Street test light
On the evening of July 28th, Beijing Qianmen Street test light, adding luster to the upcoming Beijing Olympics. Beijing’s Qianmen Street, which has a history of 570 years, recently completed its fifth major update in history and will be fully open before the Olympics. (Photo by Xinhua News Agency reporter Luo Xiaoguang)
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It is an electronic device that radiates radio waves that carry a video signal representing moving images, along with a synchronized audio channel, which is received by television receivers ('televisions' or 'TVs') belonging to a public audience, which display the image on a screen.