High-precision water column deviation measuring method, system and device and computer medium

Abstract

The invention discloses a high-precision water column deviation measurement method, system and device and a computer medium, and the method comprises the following steps: tracking a target, and arranging and limiting a plurality of water column detection wave gates in front and back limiting ranges of a target tracking wave gate; the method comprises the following steps: scanning a water column and a target by adopting a broadband signal and a simultaneous multi-beam technology to form a high-resolution two-dimensional image and obtain a plurality of water column drop point positions and time; the target is composed of a plurality of scattering centers; positioning the water column center according to the plurality of water column drop point positions, and obtaining the azimuth distance deviation of the water column center relative to each scattering center of the target; and the plurality of water columns only have one water column center. The high-precision water column deviation measurement method provided by the invention reduces manual intervention errors, and has the characteristics of high detection speed, high impact water column drop point measurement precision and the like.

Description

technical field [0001] The invention relates to the field of radar target detection, in particular to a high-precision water column deviation measurement method, system, equipment and computer medium. Background technique [0002] The actual target contains multiple scattering centers instead of ideal point targets. Broadband radar can distinguish each scattering center on the target. Each range unit can be regarded as a point target, and the ranging accuracy of the point target is related to the signal bandwidth. Therefore, the wideband radar has higher ranging accuracy. The actual target contains multiple scattering centers instead of ideal point targets. Broadband radar can distinguish each scattering center on the target. Each range unit can be regarded as a point target, and the ranging accuracy of the point target is related to the signal bandwidth. Therefore, the wideband radar has higher ranging accuracy. [0003] Correction of firing at sea according to the deviat...

AI Technical Summary

Problems solved by technology

[0006] The traditional detection method of water column deviation using narrowband signal has the following disadvantages in actual use: For the situation that there are multiple water columns in the same distance unit, the water column echo is a composite wave of multiple water columns due to the limitation of the minimum resolution unit of the radar, and the radar cannot Distinguished, the output deviation is the synthetic wave deviation; at the same time, because of the low resolution of the traditional narrowband radar, the target (ship) is regarded as a point target, and the specific position, structure and other information of the ship are unknown

As a result, the commander cannot accurately judge the strike situation and carry out precise strikes

Therefore, the traditional narrow-band water column deviation measurement method cannot adapt to the diversity of combat tasks and the variability of the environment in the future naval battlefield environment.

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