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Radar vertical accumulation liquid water content inversion method

A technology for liquid water content and liquid water content, which is used in measuring devices, radio wave measurement systems, and radio wave reflection/re-radiation, etc. The effect of improving accuracy

Active Publication Date: 2020-06-16
INNER MONGOLIA UNIV OF TECH
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Problems solved by technology

[0004] The purpose of the embodiment of the present invention is to provide a radar vertical accumulation liquid water content inversion method, which is used to solve the problem of low detection accuracy of liquid water content in the prior art

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  • Radar vertical accumulation liquid water content inversion method
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[0031] Various aspects and features of the present application are described herein with reference to the accompanying drawings.

[0032] It should be understood that various modifications may be made to the embodiments applied for herein. Accordingly, the above description should not be viewed as limiting, but only as exemplifications of embodiments. Those skilled in the art will envision other modifications within the scope and spirit of the application.

[0033] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and, together with the general description of the application given above and the detailed description of the embodiments given below, serve to explain the embodiments of the application. principle.

[0034] These and other characteristics of the present application will become apparent from the following description of preferred forms of embodiment given as non-limiting examp...

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Abstract

The invention discloses a radar vertical accumulation liquid water content inversion method, and the method the following steps: using a first radar to obtain a first echo, and using a second radar toobtain a second echo so as to obtain first echo data and second echo data; respectively extracting the first echo data and the second echo data to obtain a first reflectivity factor of each samplingpoint and a second reflectivity factor of each sampling point; fusing the first reflectivity factor and the second reflectivity factor of each sampling point by using a fuzzy logic algorithm to obtaina target reflectivity factor of each sampling point; and performing calculating based on the target reflectivity factor of each sampling point to obtain the vertically accumulated liquid water content. According to the invention, two radars with different working wavelengths are utilized to obtain the detection data, and the fuzzy logic algorithm is utilized to fuse the reflectivity factors in the obtained detection data, so the liquid water content in the cloud calculated based on the reflectivity factors is more accurate, and the accuracy of forecasting the strong weather process is improved.

Description

technical field [0001] The invention relates to the technical field of meteorological observation, in particular to a method for detecting liquid water content based on radar. Background technique [0002] The monitoring of medium and small-scale strong convective disaster weather such as heavy precipitation and hail is not only the focus of meteorological and hydrological scientific research personnel, but also has a profound impact on social production. Hundreds of meters to tens of kilometers, the period is only tens of minutes to several hours, and has the characteristics of small horizontal range, rapid development, and serious disaster consequences. Practical applications show that the vertical cumulative liquid moisture content (VIL) is the key to distinguish heavy rainstorms and hailstorms. It is one of the effective tools for convective disastrous weather, and it also plays a certain role in forecasting small-scale precipitation. [0003] At present, the mainstream...

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Application Information

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IPC IPC(8): G01S13/95G01S7/41
CPCG01S13/95G01S7/41Y02A90/10
Inventor 谭维贤郑翔天黄平平徐伟乞耀龙
Owner INNER MONGOLIA UNIV OF TECH
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