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Method for acquiring radar target data

A radar target and acquisition method technology, applied in database management systems, structured data retrieval, electronic digital data processing, etc., can solve the problems of target data extraction and cleaning, system performance constraints, etc., and achieve the effect of high-availability data support

Pending Publication Date: 2019-04-19
BEIJING INST OF RADIO MEASUREMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the field of radar detection, especially sea surface surveillance radar detection target data, there are a large amount of invalid data and interference data. The general data storage ETL (Extraction-Transformation-Loading) process cannot quickly and effectively extract and clean the target data, and usually requires many Operations and a large number of manual interventions, with the increasing amount of data, the system performance is severely restricted

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  • Method for acquiring radar target data
  • Method for acquiring radar target data

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Experimental program
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Embodiment 1

[0039] A method 100 for acquiring radar target data, such as figure 1 shown, including:

[0040] Step 110, extracting radar detection data.

[0041] Step 120, cleaning the radar detection data based on preset cleaning rules.

[0042] Step 130: Perform format conversion on the cleaned radar detection data based on preset conversion rules.

[0043] Step 140, data loading is performed on the radar detection data after format conversion to obtain radar target data.

[0044] It should be noted that, since the data sources of the information resource database are business databases or centralized business databases, the establishment of these databases did not take into account the unified data format or information code specification. In order to ensure the standardization and consistency of the comprehensive database data, there are It is necessary to transform the data accordingly during the data integration process. In this embodiment, for example, the unified data format ma...

Embodiment 2

[0047] On the basis of the first embodiment, the radar detection data includes: full data and incremental data.

[0048] Optionally, step 110 specifically includes: extracting full data and incremental data according to the data model associated with the fields.

[0049] Specifically, in this embodiment, field association refers to initially matching target data according to target attributes, such as the sea area / country / speed of the target, and judging the correctness of the data according to the thresholds of each field.

[0050] The data model refers to automatically cleaning the data according to the weight or confidence evaluation of each attribute of the radar track data. For example, the preset track characteristics of trawling illegal fishing boats include: offshore / low speed / parallel / turning back, etc., with weights of 1 / 1 / 2 / 0.5. Data loss or low data confidence associated with such a high weight factor will be judged as invalid data.

[0051] Therefore, using fie...

Embodiment 3

[0061] On the basis of embodiment one or embodiment two, such as figure 2 As shown, step 120 includes:

[0062] Step 121 , according to the preset business data model, extract its corresponding target track characteristic rule.

[0063] Step 122 , cleaning the radar detection data according to the characteristic rules of the target track.

[0064] In this embodiment, step 122 is specifically:

[0065] Clean the data in the radar detection data that conforms to the rules of the target track characteristics. That is to say, the data that conforms to the rules will be stored in the database to serve the upper application, and the data that does not conform to the rules will be marked and sent back to the data provider for future reference.

[0066] Optionally, in another embodiment, step 120 may also include:

[0067] Setting an error level for data that conforms to the rules for the characteristics of the target track;

[0068] Data is categorized according to different er...

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Abstract

The invention relates to a method for acquiring radar target data. The method comprises the following steps: extracting radar detection data; Based on a preset cleaning rule, cleaning the radar detection data; Performing format conversion on the cleaned radar detection data based on a preset conversion rule; And carrying out data loading on the radar detection data after format conversion to obtain radar target data. The method is applied to extraction and cleaning of sea surface monitoring radar target data in the field of offshore law enforcement. Through the cleaning rule, the data is cleaned, and the data format conversion is performed, so that the problems that the data extraction and cleaning efficiency is low, a large amount of manual intervention is needed, and the corresponding business application cannot be effectively and widely supported in the conventional method under the background of the big data application are solved.

Description

technical field [0001] The invention relates to the technical field of radar detection data extraction, in particular to a method for acquiring radar target data. Background technique [0002] In the field of radar detection, especially sea surface surveillance radar detection target data, there are a large amount of invalid data and interference data. The general data storage ETL (Extraction-Transformation-Loading) process cannot quickly and effectively extract and clean the target data, and usually requires many With the increasing amount of data, the performance of the system is severely restricted. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a method for acquiring radar target data aiming at the deficiencies of the above-mentioned prior art. [0004] The technical scheme of the present invention to solve the above-mentioned technical problems is as follows: a method for acquiring radar target data, compr...

Claims

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Application Information

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IPC IPC(8): G06F16/215G06F16/25G06F17/22G01S7/02G01S7/40
CPCG01S7/021G01S7/40G06F40/151
Inventor 段晓杰
Owner BEIJING INST OF RADIO MEASUREMENT
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