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Method for identifying multi-level targets by secondary radar based on attributive data

A secondary radar and target recognition technology, applied in the direction of radio wave reflection/re-radiation, using re-radiation, measuring devices, etc., can solve complex problems

Inactive Publication Date: 2012-11-14
SICHUAN JIUZHOU ELECTRIC GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

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  • Method for identifying multi-level targets by secondary radar based on attributive data
  • Method for identifying multi-level targets by secondary radar based on attributive data
  • Method for identifying multi-level targets by secondary radar based on attributive data

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Embodiment Construction

[0073] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0074] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0075] Attached below Figure 6 An example of implementing the algorithm of the present invention is given without loss of generality.

[0076] Figure 6 Describes the complete algorithm flow of the present invention to implement recognition processing on the target.

[0077]The first is the initialization step, including selecting the target, determining the comprehensive bit error rate and formulating the recognition strategy. The bit er...

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Abstract

With the aggravation of multi-target, multi-path interferences and other interference issues, etc. in aviation management, for improving the reliabilities of distinction, identification and tracking of a secondary radar on a target, the invention provides a method for identifying multi-level response information by the secondary radar based on date attribution, and has a universal guiding significance to the maximum utilization and the timeliness of the response information. The method comprises the following steps: designing response data according to the content requirements of the aviationmanagement information; attributing the obtained response data, and building an inquire response mode and an algorithm support database by way of classification according to the characteristics of the response data; inspecting the rationality of the response information according to constraint conditions and decision criteria so as to realize the identification; and the algorithm adopts multi-level discrimination strategies so as to meet the requirements for different real-time and confidence.

Description

technical field [0001] The invention relates to a method for reorganizing and discriminating target response information in a secondary radar system, which is mainly used for distinguishing, identifying and tracking targets, and is especially suitable for the expansion of a secondary radar platform with an S-like function. Background technique [0002] Secondary Surveillance Radar (SSR—Secondary Surveillance Radar) is referred to as secondary radar. This system is specially designed to complete the task of detecting and identifying targets (cooperative aircraft). The target is detected, positioned and identified, and the secondary radar in the air traffic control radar system is its typical application. Compared with primary radar, it has small transmission power, small volume and mass, relatively low receiver sensitivity requirements, and higher accuracy in measuring height and angle; it is beneficial to eliminate interference such as meteorological clutter and fairy waves;...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S13/74
Inventor 刘轩黄卫
Owner SICHUAN JIUZHOU ELECTRIC GROUP