名词
中文翻译：参数化下转换
同义词：
['参数化变换，参数化转换例句：1. In the context of signal processing', 'parametric down-conversion is a technique used to convert signals from one frequency band to another.（在信号处理的背景下，参数化下转换是一种将信号从一种频带转换为另一种频带的技术。）']
例句：
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1. In the context of signal processing, parametric down-conversion is a technique used to convert signals from one frequency band to another.
在信号处理的背景下，参数化下转换是一种将信号从一种频带转换为另一种频带的技术。
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2. The process involves using parametric down-conversion to create a new frequency band within the existing spectrum.
这个过程涉及使用参数化下转换来在现有频谱内创建一个新的频率带。
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3. Parametric down-conversion has been shown to be effective in reducing noise and interference in wireless communication systems.
研究表明，参数化下转换在无线通信系统中有效降低噪声和干扰。