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Method for calibrating long-gap discharge sound source transient response amplitude of thunder monitoring sensor

A technology for monitoring sensors and transient response, applied in the field of lightning detection

Active Publication Date: 2018-03-09
WUHAN UNIV +3
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is a lack of a transient response amplitude calibration method for thunder monitoring sensors

Method used

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  • Method for calibrating long-gap discharge sound source transient response amplitude of thunder monitoring sensor
  • Method for calibrating long-gap discharge sound source transient response amplitude of thunder monitoring sensor
  • Method for calibrating long-gap discharge sound source transient response amplitude of thunder monitoring sensor

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Embodiment Construction

[0023] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0024] Natural lightning is a transient discharge process characterized by long physical size, high voltage and strong electromagnetic radiation. The occurrence of lightning activities is random in time and space, so the thunder signals accompanied by lightning activities may propagate to the lightning monitoring system from different distances and azimuths.

[0025] The excellent response ability of the thunder monitoring sensor to the transient process of long physical size and high voltage discharge in the environment of strong electromagnetic radiation is an important guarantee for the lightning monitoring work. important prerequisite for work.

[0026] In the calibration method of this embodiment, the transient discharge process of the long-gap needle electrode charged and broken down by the impulse voltage discharge system is used to simulate th...

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Abstract

The invention relates to the thunder detection technology, in particular to a method for calibrating a long-gap discharge sound source transient response amplitude of a thunder monitoring sensor. According to the calibration method, the long-gap discharge sound source transient response amplitude of the thunder monitoring sensor is calibrated by using the transient discharge process of a charge breakdown long-gap needle electrode of an impulse voltage discharge system to simulate the natural thunder activity discharge process with long physical size, high voltage and powerful electromagnetic radiation, the space-time randomness of thunder discharge activities is simulated by adjusting four variables including gap length of long-gap discharge as well as a detection distance, an azimuth angle and an elevation angle of the sensor, the transient response amplitude of the thunder monitoring sensor is systematically calibrated, and a basis is provided for monitoring of natural thunder sounds. According to the method, the high-voltage and long-physical-size thunder discharge process is simulated through long-gap discharge in a laboratory, and the method is used for calibrating the long-gap discharge sound source transient response amplitude of the thunder monitoring sensor and provides a basis for quantitative monitoring of the thunder monitoring sensor.

Description

technical field [0001] The invention belongs to the technical field of lightning detection, in particular to a method for calibrating the transient response amplitude of a long gap discharge sound source of a thunder monitoring sensor. Background technique [0002] Physical effects such as high current, strong electromagnetic radiation, high temperature and shock waves accompanying the lightning discharge process pose a great security threat to human activities. The instantaneity and randomness of lightning activities increase the difficulty of lightning accident analysis and lightning protection. Monitoring the sound, light, electromagnetic and other indirect signals accompanying the lightning process and using them to locate the lightning or retrieve the direct parameters of the lightning event is of great significance for the study of the physical process of regional lightning activities and the evaluation and analysis of lightning events. Compared with optical signals, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01H17/00
Inventor 王建国曹金鑫秦辉李泉新邹昕苏睿代建国段雪松李鑫赵龙蔡力
Owner WUHAN UNIV
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