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1. (WO2018218838) SIGNAL POWER DETECTION METHOD, APPARATUS AND DEVICE

Pub. No.:    WO/2018/218838    International Application No.:    PCT/CN2017/104331
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Sat Sep 30 01:59:59 CEST 2017
IPC: G01R 21/06
Applicants: GUANGZHOU SHIYUAN ELECTRONICS CO., LTD.
广州视源电子科技股份有限公司
GUANGZHOU LEICHEN TECHNOLOGY CO., LTD.
广州镭晨智能科技有限公司
Inventors: XIAO, Wenkun
肖文鲲
CHEN, Jian
陈健
Title: SIGNAL POWER DETECTION METHOD, APPARATUS AND DEVICE
Abstract:
A signal power detection method, apparatus and device, the signal power detection method comprising: acquiring the frequency value of an output signal of a device to be detected (S101, S301); acquiring sampling data over a predetermined duration according to the frequency value of the output signal (S102); and calculating the output power of the output signal under a load according to the sampling data over the predetermined duration and the resistance value of the load connected to the device to be detected (S103, S304), the predetermined duration being equal to an integer multiple of a cycle value corresponding to the frequency value when the output signal is an asymmetric signal within a single cycle, and the predetermined duration being equal to an integer multiple of half of the cycle value corresponding to the frequency value when the output signal is a symmetric signal within the single cycle. The signal power detection method, apparatus and device can accurately detect the output power of an output signal.