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Phase state recognition product mosaicing method and device based on dual-polarization radar network

A dual-polarization, radar network technology, applied in measurement devices, radio wave reflection/re-radiation, utilization of re-radiation, etc., can solve the problems of limited radar coverage and the inability to give the overall structure of large-scale disaster weather.

Active Publication Date: 2019-03-08
CHINESE ACAD OF METEOROLOGICAL SCI
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Problems solved by technology

However, the coverage of a single radar is limited, and it is impossible to give the overall structure of large-scale disaster weather such as heavy rain and typhoon

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  • Phase state recognition product mosaicing method and device based on dual-polarization radar network
  • Phase state recognition product mosaicing method and device based on dual-polarization radar network
  • Phase state recognition product mosaicing method and device based on dual-polarization radar network

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[0060] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0061] figure 1 It is a flow chart of a method for mosaicing phase identification results provided by an embodiment of the present invention. The execution subject of this embodiment is a jigsaw puzzle device, which can be realized by software, hardware, or a combination of software and hardware, and which can be part or all of an electronic devi...

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Abstract

The invention provides a phase state recognition product mosaicing method and device based on a dual-polarization radar network, being characterized in that for a first grid point covered by M dual-polarization radars at the same time, according to the number of stations of the dual-polarization radars in the dual-polarization radar network, performance of each dual-polarization radar in the dual-polarization radar network, and the observation target of the dual-polarization radar, the mosaicing scheme is determined after comprehensive consideration, and then according to the mosaicing scheme,phase state recognition product mosaicing is performed on the first grid point so as to obtain a unified phase state mosaicing product with a relatively large observation range, so as to give a wholestructure for the large-scale disaster weather such as rainstorm and typhoon.

Description

technical field [0001] The embodiment of the present invention relates to the technical field of meteorological observation, and in particular to a method and device for mosaicing a phase recognition product based on a dual-polarization radar network. Background technique [0002] At present, conventional weather radars can only obtain reflectivity factors, so it is difficult to distinguish precipitation particles of different phases. Compared with conventional weather radars, dual-polarization radars have vertical polarization channels in addition to horizontal polarization channels. Therefore, dual-polarization radar can obtain more dimensional information to distinguish precipitation particles in different phases. [0003] The dual polarization radar identifies precipitation particles based on the scattering theory of precipitation particles to electromagnetic waves. For a single radar, when the water objects in different phases in the cloud have different shapes, sizes...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/95
CPCG01S13/95Y02A90/10
Inventor 吴翀刘黎平王红艳胡志群
Owner CHINESE ACAD OF METEOROLOGICAL SCI
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