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Target selection method of radar seeker

A radar seeker and target selection technology, which is applied in the direction of radio wave reflection/re-radiation, using re-radiation, measuring devices, etc., can solve the problem that the radar seeker cannot correctly select the target, etc., and achieve easy implementation and high engineering value effect

Active Publication Date: 2018-12-11
CNGC INST NO 206 OF CHINA ARMS IND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main problem solved by the present invention is to overcome the problem that the radar seeker cannot correctly select the target due to inaccurate missile indication information and the interference of ground clutter and foreign objects on the ground. target selection method

Method used

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  • Target selection method of radar seeker
  • Target selection method of radar seeker
  • Target selection method of radar seeker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0034] 1. The launch control computer sends an unlock command to the radar seeker, and the radar seeker enters the search mode after responding to the unlock command.

[0035] 2. When the radar seeker is in the search mode, the control computer on the missile sends the position information of the target to the radar seeker every 10ms (including the missile-to-target distance, azimuth pointing frame angle and pitch pointing frame angle). After the radar seeker receives the target position information, the range gate is set with the range gate centered on the projectile-to-target distance, and the range gate within the range of plus or minus 225m is set. Carry out triangular scanning, the scanning speed is 40° / s, the maximum scanning range is plus or minus 6°, and the maximum scanning period is 0.3s.

[0036] 3. When the radar seeker is in the search mode, it records the position information of each detected target (including the target distance, azimuth frame angle and pitch fr...

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Abstract

The invention discloses a target selection method of a radar seeker, and the method is used to select a target accurately in the complex background. According to the characteristics of wide coverage range of pitching wave beams and narrow range of range gate during flight of the seeker, target information provided by a computer on-missile and target information detected by the radar seeker are used to calculate the relative spatial distance, and the target is selected correctly. The problem that the radar seeker cannot select the target correctly due to inaccurate missile indication information and interference of ground clutters and foreign matters, the scheme is easy to realize, and the method is suitable for the ground radar seeker and can be also applied to sea radar seekers, and has high engineering value.

Description

technical field [0001] The invention belongs to the field of overall design of a radar seeker, and in particular relates to a method for realizing target selection of a radar seeker. Background technique [0002] The radar seeker has the characteristics of all-day, all-weather and "fire and forget", and has received extensive attention in air-to-ground missiles. Compared with air targets and sea targets, ground targets are more affected by background clutter, and will face interference from ground clutter, ground foreign objects, and various buildings. Therefore, the seeker must have a strong target selection capability. The common target selection methods of existing radar seekers are the distance selection area method and the extended search map selection method. Affected by factors such as measurement errors, the actual trajectory of the missile may have a certain deviation from the ideal trajectory, and the bound target information may also have deviations from the actu...

Claims

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Application Information

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IPC IPC(8): G01S13/72
CPCG01S13/72
Inventor 吴迪马瑞薛安翔刘辉张都川
Owner CNGC INST NO 206 OF CHINA ARMS IND GRP
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