Forward-looking detector detection parameter estimation method based on body target

By importing the target and detector models, coordinate transformation and visible element judgment are performed, and converted into a two-dimensional plane motion model, and the measurement data is processed to complete encounter parameter estimation, solving the problem of simulation data deviation and parameter estimation difficulty in the prior art, improving the reliability of detection simulation and the accuracy of start-point control.

CN119716778AActive Publication Date: 2025-03-28NANJING UNIV OF SCI & TECH
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Patent Information

Application Number
CN202411852486.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-03-28
Estimated Expiration
2044-12-16

AI Technical Summary

Technical Problem

The existing forward-view detector simulation method directly takes the target center or equivalent detection line and the target to find the intersection point, resulting in a reduction in data deviation and simulation reliability. Especially when the encounter section can only measure the distance, parameter estimation is difficult.

Method used

A forward-view detector detection parameter estimation method based on body target is proposed. By introducing the target and detector model, coordinate transformation and visible element judgment are performed, and the measurement data is processed to complete encounter parameter estimation.

Benefits of technology

The target position credibility of the detection simulation is improved, and the measurement data is accurately converted through coordinate transformation and vector calculation, which effectively controls the starting point error. Especially when the encounter section can only measure the distance, it provides an alternative off-target estimation and starting point control algorithm.

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Abstract

The invention belongs to the field of detection simulation and signal processing, and discloses a foresight detector detection parameter estimation method based on a body target, which comprises the following steps that foresight detection model simulation software analyzes a detector and a target model; performing coordinate transformation according to the import parameters to determine a target attitude and a relative motion track; performing visible surface element and mutual shielding judgment to determine a target center position detected by a detector; processing the distance vector and the relative velocity vector to obtain a detection value under a detector coordinate system; and converting the three-dimensional motion model into a two-dimensional planar motion model, and analyzing and processing measured data to complete encounter parameter estimation. The encounter parameter estimation method based on the two-dimensional plane is provided for the situation that an encounter section detector can only measure the distance under the detection background of a foresight detector, the position estimation of a target better conforms to the real situation, and the credibility is higher.
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