A method for converting multi-format weather radar basic data files to netcdf files

A data file, weather radar technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of incompatibility scientific research, numerical weather forecast, inconvenience, etc., and achieve high efficiency and high data storage efficiency. Effect

Inactive Publication Date: 2018-06-19
NANJING UNIV OF INFORMATION SCI & TECH
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Problems solved by technology

This incompatibility brings great inconvenience to scientific research and numerical weather prediction.

Method used

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  • A method for converting multi-format weather radar basic data files to netcdf files
  • A method for converting multi-format weather radar basic data files to netcdf files
  • A method for converting multi-format weather radar basic data files to netcdf files

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Embodiment Construction

[0049] The solution of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0050] The method for converting the multi-format weather radar basic data file provided by the present embodiment to the NetCDF file includes the following steps:

[0051] 1) Identify the current radar base data file type that needs to be converted through the joint criterion identification method of file extension matching and file length matching.

[0052] 2) According to the file type of the radar base data that needs to be converted, analyze and extract parameter information and observation data.

[0053] 3) Define a standard NetCDF format file.

[0054] 4) According to the NetCDF standard format defined in step 3), the parameter information and observation data parsed in step 2) are converted into the NetCDF standard format.

[0055] Before format conversion, it is first necessary to identify the type of radar base data file that needs to be c...

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Abstract

The invention relates to a method for converting a multi-format weather radar base data file to a NetCDF file, comprising the following steps: 1) identifying the current radar base data file type that needs to be converted through the joint criterion identification method of file suffix name matching and file length matching; ) Analyze the file format of the current radar base data that needs to be converted, and extract the main parameter information and observation data; 3) Define a standard NetCDF format file; 4) According to the NetCDF standard format defined in step 3), convert step 2) The main parameter information and observation data parsed out in are converted into the NetCDF standard format. The beneficial effect is: it can be used as a unified interface to read radar files in different formats; the NetCDF file itself is descriptive, and the data can also be stored in the order of independent variables, functions and their data values, which is very suitable for the processing of meteorological data; NetCDF Files support data transfer between different platforms, which makes radar data suitable for sharing between network platforms.

Description

technical field [0001] The invention relates to the field of weather radar, in particular to a method for converting a multi-format weather radar basic data file to a NetCDF file. Background technique [0002] Among the various atmospheric detection methods nowadays, Doppler weather radar has become an effective tool for short-term nowcasting due to its high temporal and spatial resolution and wide-range detection capability. At present, my country has built an observation network consisting of 158 weather radars and put them into operation. In addition, new radars such as dual-linear polarization radars and phased array weather radars are also planned to be put into commercial operation, which makes the types of weather radars more diverse. [0003] Due to the differences in performance parameters, observation methods and manufacturers of weather radars, the radar basic data formats are different. This incompatibility brings great inconvenience to scientific research and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
CPCG06F16/116G06F16/176
Inventor 魏鸣王磊杨涛
Owner NANJING UNIV OF INFORMATION SCI & TECH
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