地面电视中继站的光射频电视信号传感与传输

Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344) Pub Date : 2002-12-10 DOI:10.1109/IAS.2002.1044103

K. Haeiwa, T. Yamashita, Y. Takeuchi, Y. Toba, S. Torihata, M. Onizawa

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引用次数: 0

摘要

为一种新型的电视中继站，研制了一种新型的光学射频电视信号传感与发射装置。采用一种1.3 /spl mu/m的Mach-Zehnder型LiNbO/sub / 3光调制器，利用接收设施中的UHF-TV接收天线获得的470 ~ 770 MHz频段、36 dB /spl mu/V功率的数字地面电视(OFDM)信号调制1.3 /spl mu/m的光束，将这些RF-TV信号发送到距离接收点6 km远的发射设施。系统运行令人满意。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Optical RF-TV signal sensing and transmission for terrestrial TV relaying stations

An evolutional optical RF-TV signal sensing and transmitting facilities were constructed and employed for a new type of TV relaying station. A LiNbO/sub 3/ optical modulator of Mach-Zehnder type at 1.3 /spl mu/m, which was used to modulate a light beam at 1.3 /spl mu/m with digital terrestrial television (OFDM) signals at a 470 MHz through 770 MHz band with a power level of 36 dB /spl mu/V obtained from a UHF-TV receiving antenna in the receiving facilities, was newly used to send these RF-TV signals to the transmitting facilities located up to 6 km apart from the receiving point. The system operation was satisfactory.

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Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344)

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