“noise filter”的概念、定义、翻译、参考文献-科学参考

单词	noise filter
释义	noise filter [`nȯiz ´fil·tǝr] ^ELECTRONICS 1. A filter that is inserted in an alternating-current power line to block noise interference that would otherwise travel through the line in either direction and affect the operation of receivers. 2. A filter used in a radio receiver to reduce noise, usually an auxiliary low-pass filter which can be switched in or out of the audio system.
随便看	spectroscopic binary star spectroscopic displacement law spectroscopic parallax spectroscopic splitting factor spectroscopy spectrum spectrum analysis spectrum analyzer spectrum level spectrum line spectrum locus spectrum of turbulence spectrum-selectivity characteristic spectrum signature spectrum signature analysis spectrum variable specular hematite specular iron specularite specular reflection specular reflection factor specular reflection model specular reflector specular surface specular transmittance

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