Title:
TERAHERTZ DETECTION METHOD AND SYSTEM FOR HIGHLY HAZARDOUS CHEMICAL IN ATMOSPHERE
Document Type and Number:
WIPO Patent Application WO/2019/114239
Kind Code:
A1
Abstract:
A terahertz detection system (1000) for a highly hazardous chemical in the atmosphere, the system comprising: a detection device (100), a mechanical adjustment device (110), a processor (130), and a movable carrying device (120). The detection device (100) acquires concentration distribution information of a highly hazardous chemical in the atmosphere at a current detection position. A target detection position is obtained according to the concentration distribution information, and the detection device (100) is driven to travel to the target detection position. Concentration distribution information of the highly hazardous chemical in the atmosphere is re-acquired at the target detection position to obtain concentration distribution information of the highly hazardous chemical in the atmosphere for multiple sets of detection positions. Detected concentration information of the highly hazardous chemical in the atmosphere and corresponding spatial coordinates are collected and organized. Numerical fitting of the concentration with respect to the spatial coordinates is performed in a computational system to obtain a spatial distribution function of the concentration. The spatial distribution function is transmitted to an imaging system. A spatial distribution graph of the concentration is represented in the imaging system by using different colors and different curved surfaces. The invention also provides a terahertz detection method for a highly hazardous chemical in the atmosphere.
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Inventors:
ZHENG XIAOPING (CN)
LI HAOHUA (CN)
LI HAOHUA (CN)
Application Number:
PCT/CN2018/092436
Publication Date:
June 20, 2019
Filing Date:
June 22, 2018
Export Citation:
Assignee:
UNIV TSINGHUA (CN)
International Classes:
G01N21/35
Foreign References:
| CN106841084A | 2017-06-13 | |||
| CN107041154A | 2017-08-11 | |||
| US20170074652A1 | 2017-03-16 | |||
| US20150379312A1 | 2015-12-31 |
Attorney, Agent or Firm:
ACIP LAW OFFICES (CN)
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