Vibration and noise detection method and device of automobile air conditioner and computer equipment

The invention provides a vibration and noise detection method and device of an automobile air conditioner and computer equipment. The method comprises the steps of acquiring a current sampling signal of a detection target; preprocessing the current sampling signal to obtain a preprocessed signal; pe...

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Hauptverfasser:	WEI WANZHU, FENG FANGPING, WANG JIANGBO, LU YUWEN, HE XIANYAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING MEASURING PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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creator	WEI WANZHU FENG FANGPING WANG JIANGBO LU YUWEN HE XIANYAN
description	The invention provides a vibration and noise detection method and device of an automobile air conditioner and computer equipment. The method comprises the steps of acquiring a current sampling signal of a detection target; preprocessing the current sampling signal to obtain a preprocessed signal; performing Fourier transform on the preprocessed signal to obtain a target frequency spectrum; and performing feature extraction on a target frequency spectrum to obtain a detection result matched with the current sampling signal. The method comprises the following steps: acquiring a noise signal or a vibration signal of a detection target to obtain a current sampling signal, carrying out preprocessing and Fourier transform on the sampling signal to obtain a target frequency spectrum corresponding to a time domain sampling signal, and then carrying out feature extraction on the target frequency spectrum; and acquiring relation between the air conditioner vibration parameters and the motor rotating speed, the air cond
format	Patent
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The method comprises the steps of acquiring a current sampling signal of a detection target; preprocessing the current sampling signal to obtain a preprocessed signal; performing Fourier transform on the preprocessed signal to obtain a target frequency spectrum; and performing feature extraction on a target frequency spectrum to obtain a detection result matched with the current sampling signal. 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language	chi ; eng
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subjects	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING MEASURING PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
title	Vibration and noise detection method and device of automobile air conditioner and computer equipment
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