Method for reconstructing vertical profiles of airborne multi-scan meteorological radar targets

A weather radar, vertical profile technology, applied in the directions of climate sustainability, radio wave reflection/re-radiation, utilization of re-radiation, etc. Simple, easy to operate, low system requirements

Inactive Publication Date: 2015-05-06
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

However, the multi-scan airborne weather radar does not have the conditions for multi-base cooperative work, and the weather echo data obtained is relatively sparse. The intelligent information processing level of the new airborne weather radar is of great significance

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  • Method for reconstructing vertical profiles of airborne multi-scan meteorological radar targets
  • Method for reconstructing vertical profiles of airborne multi-scan meteorological radar targets
  • Method for reconstructing vertical profiles of airborne multi-scan meteorological radar targets

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Embodiment Construction

[0042] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0043] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0044] In this experiment, the precipitation cloud was used as the detection target of the multi-scan airborne weather radar, and 10 layers of multi-scan were performed on the precipitation cloud directly in front of the aircraft. The flow chart of precipitation cloud vertical profile reconstruction is as follows: figure 1 As shown, the vertical profile reconstruction of precipitation cloud is based on the mult...

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Abstract

The invention discloses a method for reconstructing vertical profiles of airborne multi-scan meteorological radar targets. The vertical profiles of the meteorological targets at the fronts of aircrafts can be displayed by the aid of meteorological echo information acquired by airborne multi-scan meteorological radar, and altitude-dimension intensity change and distribution ranges of reflectivity factors of meteorological target radar can be quickly, accurately and comprehensively reflected. Besides, at least eight layers of meteorological target information are acquired by the aid of the airborne meteorological radar in multi-scan work modes, and metrological target reflectivity factor change rule statistical models are innovatively built by means of statistics by the aid of metrology in information reconstruction procedures; the vertical profiles of the meteorological targets right ahead routes of the carrier aircrafts can be truly and completely represented by the aid of the multi-scan echo information. The method has the advantages of simplicity and convenience in operation. In addition, the quantities of processed data are low as compared with the traditional method, and the method has low requirements on systems and is high in reconstruction precision.

Description

technical field [0001] The invention discloses a method for reconstructing the vertical profile of an airborne multi-scan weather radar target, and relates to the technical field of multi-scan airborne weather radar echo signal processing. Background technique [0002] Airborne weather radar is the eyes of the aircraft, which can effectively detect thunderstorms, heavy rains, squall lines, hail and other disastrous weather in front of the aircraft, and provide guarantee for safe flight. It has become an indispensable electronic equipment for large aircraft such as civil aviation airliners and transport aircraft. . The important value of airborne weather radar is mainly reflected in the continuous detection of meteorological targets and the real-time processing and display of data. The airborne weather radar displays the meteorological conditions ahead with clear images by analyzing and processing the echo data of the meteorological targets in front of the route, and provide...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/95
CPCG01S13/953Y02A90/10
Inventor 李勇何力宋伟吴迪黄翔飞
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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