Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MICROWAVE-BASED TEST DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/221423
Kind Code:
A1
Abstract:
A microwave-based test device, comprising a microwave module, an antenna module, a signal processing module and a data processing module. The antenna module comprises a transmitting antenna (10) and a receiving antenna (11), and a sample to be tested (12) is arranged between the transmitting antenna (10) and the receiving antenna (11); the microwave module is connected to the antenna module, and is used for providing excitation and detection of a microwave signal; the signal processing module is connected to the microwave module, and comprises an amplitude measurement circuit, an amplitude attenuation measurement circuit and a phase-shift detection circuit; and the data processing module is connected to the signal processing module, and is used for performing calculation processing on an obtained feature value of a microwave test signal, so as to obtain a test parameter value of said sample (12).

Inventors:
XIE YONG (CN)
XU YONGJIANG (CN)
JIANG CHUNHUA (CN)
Application Number:
PCT/CN2022/131302
Publication Date:
November 23, 2023
Filing Date:
November 11, 2022
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHANGHAI LANBAO SENSING TECHNOLOGY CO LTD (CN)
International Classes:
G01N22/00
Foreign References:
CN114965511A2022-08-30
CN101907579A2010-12-08
CN101907578A2010-12-08
CN105424727A2016-03-23
CN109632832A2019-04-16
CN105572150A2016-05-11
CN103399022A2013-11-20
CN101566587A2009-10-28
US4727311A1988-02-23
US5939888A1999-08-17
US20200378903A12020-12-03
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
Download PDF: