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Synergy self-adaption observing method

An adaptive and adaptable technology, applied in ICT adaptation, measurement devices, radio wave measurement systems, etc.

Active Publication Date: 2015-04-29
INST OF ATMOSPHERIC PHYSICS CHINESE ACADEMY SCI +1
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Problems solved by technology

[0005] Coordinate multiple X-band low-power radars to strengthen the observation of the area of ​​interest, and can dynamically adjust according to changes in weather conditions to obtain radar observation data with higher temporal and spatial resolution, making up for the low-altitude detection of S / C-band long-range radars Blind areas, the present invention designs a cooperative self-adaptive observation method, which effectively solves this problem

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings.

[0033] See attached figure 1 , the cooperative adaptive observation method takes the radar data obtained by all radars in the radar network at an elevation angle of 2.3° to complete a 360° omnidirectional scan as the processing object, after data preprocessing, the observation data is processed by the detection algorithm in the meteorological command and control to find AOI , and then upload the AOI information to the control center, the control center determines the scanning strategy, and each radar executes the adaptive scanning mode.

[0034] See attached figure 2, to preprocess the radar data and perform quality control. That is, median filtering is performed on the radial and azimuth grid points of the radar data 3*3, that is, for each target point, select the surrounding 3*3 grid points, sort these values, and replace the value of the target point with the int...

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Abstract

The invention relates to a synergy self-adaption observing method. 360-degree omnibearing scanning is completed by each radar in a weather radar network within an angle of elevation ranging from 1 degree to 5 degrees; time continuous data of a whole observing region is contained, all radar terminal programs read the data and conduct preprocessing; then an interested key area is found by weather commands and detection arithmetic processing observing data in control; according to AOI information, a weighted value of the AOI is calculated by a method of weighting; priority of the AOI is determined; the AOI information is uploaded to a control center; a region to scan is determined by the control center, and a scanning strategy is formed; at last, an adaptive scan pattern is conducted by all radars according to the scanning strategy. The synergy self-adaption observing method solves the problem that how to select the key region and conduct synergy self-adaption observation by a plurality of radars, deficiency of long-range radars is overcome, and the information with higher temporal-spatial resolution is obtained.

Description

technical field [0001] The invention relates to an adaptive observation method, in particular to a networked weather radar collaborative adaptive observation method. Background technique [0002] Weather radar plays a very important role in the modern comprehensive meteorological observation system. It has a good ability to monitor large and medium-scale weather systems and provides intuitive data for short-term weather forecasts. With the continuous improvement of weather radar performance, the number of radars installed has gradually increased, forming a weather radar network, including a dual (multi-base) radar network with separate transceivers, NEXRAD (Next-Generation Weather Radar) and TDWR (Terminal Doppler Weather Radar) in the United States. Radar) network, OPERA (Operational Program for the Exchange of weather Radar information) program in Europe and CINRAD (Chinese Next Generation Radar) network in China. [0003] The existing weather radar network is mainly comp...

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Application Information

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IPC IPC(8): G01S13/95
CPCG01S13/95Y02A90/10
Inventor 李兆明李思腾李东洋陆建兵吴海军王永亮段树李忱陈洪滨
Owner INST OF ATMOSPHERIC PHYSICS CHINESE ACADEMY SCI
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