Cloud particle phase state identification method and system

A recognition method, cloud particle technology, applied in scene recognition, character and pattern recognition, radio wave measurement system, etc., can solve the uncertainty of human shadow work, the inability to accurately identify the phase state of cloud particles, the influence of radar coverage area of ​​weather work, etc. problems, to achieve the effect of good convenience and improve the reliability of recognition

Pending Publication Date: 2020-09-18
航天新气象科技有限公司 +1
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the embodiment of the present invention provides a method and system for identifying the phase state of cloud particles, which solves the problem that the artificial weather modification work in the prior art is affected by the radar coverage area and cannot accurately identify the phase state of cloud particles, which leads to relatively difficult big uncertainty problem

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  • Cloud particle phase state identification method and system
  • Cloud particle phase state identification method and system
  • Cloud particle phase state identification method and system

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Embodiment 1

[0042] An embodiment of the present invention provides a cloud particle phase identification method, such as figure 1 shown, including the following steps:

[0043] Step S1: Obtain cloud particle observation data based on various ground-based remote sensing observation methods.

[0044] In the embodiment of the present invention, the acquisition of cloud particle observation data based on various ground-based remote sensing observation methods includes: acquisition of normalized backscatter signal data and depolarization ratio data by laser radar, and temperature profile data and initial cloud base acquisition by microwave radiometer. height value. Among them, lidar can detect cloud particles in real time. Through the polarization channel, the sphericity of particles can be detected. Through the identification of normalized backscattering signal data and depolarization ratio data, ice crystals and droplets can be identified. Although the lidar can distinguish liquid droplets...

Embodiment 2

[0100] An embodiment of the present invention provides a cloud particle phase identification system, such as Figure 4 shown, including:

[0101] The acquisition module 1 is used to acquire cloud particle observation data based on various ground-based remote sensing observation methods; this module executes the method described in step S1 in Embodiment 1, and details are not repeated here.

[0102] The first identification module 2 is used to identify the cloud particle observation data by using the cloud base height identification algorithm to obtain the cloud base height identification result; this module executes the method described in step S2 in Embodiment 1, which will not be repeated here.

[0103] The second recognition module 3 is used to calculate and obtain the cloud top height recognition result by using the cloud base height recognition result and the cloud top height recognition algorithm; this module executes the method described in step S3 in Embodiment 1, whic...

Embodiment 3

[0107] An embodiment of the present invention provides an electronic device, such as Figure 5 As shown, it includes: at least one processor 401 , such as a CPU (Central Processing Unit, central processing unit), at least one communication interface 403 , memory 404 , and at least one communication bus 402 . Wherein, the communication bus 402 is used to realize connection and communication between these components. Wherein, the communication interface 403 may include a display screen (Display) and a keyboard (Keyboard), and the optional communication interface 403 may also include a standard wired interface and a wireless interface. The memory 404 may be a high-speed RAM memory (Ramdom Access Memory, volatile random access memory), or a non-volatile memory (non-volatile memory), such as at least one disk memory. Optionally, the memory 404 may also be at least one storage device located away from the aforementioned processor 401 . The processor 401 can execute the method for ...

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Abstract

The invention discloses a cloud particle phase state recognition method and system. The method comprises the steps of acquiring cloud particle observation data based on multiple ground remote sensingobservation modes; identifying the cloud particle observation data by using a cloud bottom height identification algorithm to obtain a cloud bottom height identification result; calculating to obtaina cloud top height identification result by utilizing the cloud bottom height identification result and a cloud top height identification algorithm; and identifying the cloud particle observation data, the cloud bottom height identification result and the cloud top height identification result by using a cloud particle phase state identification algorithm to obtain a cloud particle phase state identification result. The cloud particle observation data is acquired based on multiple ground remote sensing observation modes, the detection precision is higher, and refined observation of the development change of the supercooled water cloud in the precipitation process is facilitated; and the cloud particle phase state is identified by using a cloud bottom height identification algorithm, a cloud top height identification algorithm and a cloud particle phase state identification algorithm, so that the monitoring research on the figure operation effect is facilitated, and an important basis is provided for figure operation decision.

Description

technical field [0001] The invention relates to the field of meteorological monitoring, in particular to a cloud particle phase identification method and system. Background technique [0002] In the work of artificial weather modification, it is difficult to evaluate the specific effect of artificial intervention in the precipitation process. The important mechanism of artificial rainfall is to disturb the supercooled water particles or provide condensation nuclei to promote the condensation of supercooled water particles, and then promote cloud droplets to collide and grow to produce precipitation. . The detection of cloud areas by existing weather radars is limited by the density of radar sites, detection distance and scanning interval. Within the detection range of radar, the farther away from the radar, the lower the scanning resolution, and it is difficult to provide high-resolution refined detection Data, in areas that cannot be covered by radar, can only be estimated...

Claims

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Application Information

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IPC IPC(8): G06F17/14G06K9/00G01S13/95
CPCG06F17/148G01S13/95G06V20/13G06F2218/00Y02A90/10
Inventor 初奕琦魏加华杨川王光谦王志锐翁燕章刘可邦黄勇孙卜郊
Owner 航天新气象科技有限公司
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