Analysis processing method and system based on all-sky meteor radar signals

Abstract

The invention belongs to the technical field of radars, relates to an analysis processing method and system based on all-sky meteor radar signals, and aims to solve the problems that all-sky meteor radar analysis processing in China is not comprehensive, and timeliness, accuracy and resolution need to be improved. According to the invention, starting from original signals detected by the all-sky meteor radar, by taking establishment of a perfect all-sky meteor radar analysis and processing system and acquisition of high-resolution background atmospheric parameters as targets, main processes and key technologies of radar signal analysis and processing are investigated, an analysis and processing algorithm of the all-sky meteor radar is realized, data products detected by the all-sky meteor radar are obtained, and establishment of an autonomous all-sky meteor radar analysis and processing system in China is promoted; and according to the method, a meteor radar signal preprocessing algorithm is established, phase correction of echo signals, judgment and screening of under-dense meteor events, precise positioning of meteor wakes and inversion of observation parameters are achieved, and analysis and processing of an all-sky meteor radar are achieved.

Description

technical field [0001] The invention belongs to the technical field of radar, and in particular relates to an analysis and processing method and system based on all-sky meteor radar signals. Background technique [0002] A meteor trail is a long, dense column of plasma created by a meteoroid entering the Earth's upper atmosphere. It stays in the background atmosphere, has a strong scattering effect on radio waves, and can be tracked by radar, providing a perfect natural tracer for the detection blind zone of the mesosphere and low thermosphere (MLT region). Meteor radar is a very important MLT area detection method that takes meteor trails as the observation object. Because of its simple equipment, moderate cost, all-weather, all-weather, long-term stable observation, and high measurement accuracy, it has become one of the conventional observation methods in the MLT area and plays an indispensable role in the atmospheric research in the MLT area. Atmospheric wind field can...

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Problems solved by technology

[0007] In order to solve the above problems, that is, in order to solve the problems that my country's independent all-sky meteor radar analysis and processing system has yet to be developed, the timeliness of key technologies is poor, and the processing accuracy and resolution are low, the present invention provides a system based on all-sky meteor radar Signal analysis and processing method and system

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