This paper introduces a kind of new scheme for synthesis of linear FM signal.

本文则提出了一种新的不同于以往的线性调频信号合成方案。

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In this paper, influence of SAW linear FM signal phase noise on radar transmitter is analyzed.

本文研究了SA W线性调频信号的相位噪声对雷达发射机性能的影响。

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The composite video signal is transmitted as an AM signal and the sound as an FM signal on these channels.

在每个频道中，组合视频信号被当作调幅（AM）信号传输，声音信号作为FM（调频）信号传输。

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It also has Stockport-based Signal FM, as well as Signal 1 and Signal 2 in Staffordshire and Cheshire.

BBC: News | Business | Talk Radio swallows local stations

When your car radio receives an AM or FM broadband signal that is all that is happening it is receiving the signal.

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The FM radio's scanner "found" a station at virtually every legal frequency, even when no signal was present--as well as several channels unusable in North America.

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