thread in signal的用法和樣例：
例句
- This paper investigates the problems about the base-band signal shaping and the multi-rate signal processing of the radio-frequency signal.
本文對基帶信號的成形和射頻信號的多速率處理進行了研究。 - Your radio transmission, furthermore, would probably be a narrow-band signal, to distinguish it from other transmissions in neighboring bands as well as naturally occurring noise.
此外，你的無線電信號可能會是一個窄帶信號，以區別於鄰近頻帶中其他的自然雜波。
