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1.The diode coupler is used to convert the signal from one frequency range to another.
二极管耦合器用于将信号从一个频率范围转换为另一个。
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2. In electronics, a diode coupler is used to filter out unwanted frequencies.
在电子学中，二极管耦合器用于滤除不需要的频率。
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3. The diode coupler was designed to improve the signal-to-noise ratio of the communication system.
该二极管耦合器被设计用来提高通信系统的信噪比。