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1. (WO2018081945) METHOD FOR DETECTING BACKGROUND NOISE OF SENSOR, AND DEVICE THEREOF

Pub. No.:    WO/2018/081945    International Application No.:    PCT/CN2016/104334
Publication Date: Sat May 12 01:59:59 CEST 2018 International Filing Date: Thu Nov 03 00:59:59 CET 2016
IPC: G01R 29/26
Applicants: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
深圳市汇顶科技股份有限公司
Inventors: TAN, Bo
谭波
Title: METHOD FOR DETECTING BACKGROUND NOISE OF SENSOR, AND DEVICE THEREOF
Abstract:
A method for detecting background noise of a sensor, and a device thereof. The method for detecting background noise of a sensor comprises: receiving a sampling value outputted by a sensor, and determining whether the sampling value falls within an allowable range of background noise (301); when the sampling value falls within the allowable range of the background noise, selecting the sampling value as a sampling value of the background noise for this time (302); and computing background noise of the sensor for this time according to background noise of the sensor for the previous time and the sampling value of the background noise for this time (303). A device for detecting background noise of a sensor. The device can dynamically detect background noise of a sensor, so that a change value of the sensor, which changes along with an environment, can be updated to the background noise, thereby improving the accuracy of an effective outputted sampling value.