一种生物模型驱动的朝向估计方法

By using an insect symmetry model-based approach, combined with insect biogeometry and polarization scattering matrix characteristics, the problem of insufficient accuracy in traditional insect orientation estimation at high frequencies is solved. This approach enables high-precision insect orientation estimation over a wider range, supporting research on insect migration behavior and early warning of pests and diseases.

CN116068552BActive Publication Date: 2026-07-17BEIJING INST OF TECH +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING INST OF TECH
Filing Date
2022-11-08
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional insect orientation estimation methods lack model support and are not applicable to high-frequency situations, resulting in insufficient estimation accuracy.

Method used

Based on the symmetry of the insect biogeometry model and combined with the characteristics of the insect target polarization scattering matrix measured in a microwave anechoic chamber, the insect PSM is remodeled, the insect body axis direction is obtained through analytical calculation, and the relative phase is used to extend it to a wider angular range.

Benefits of technology

It improves the accuracy of insect orientation estimation, making it applicable to a wider frequency range and enhancing the accuracy of insect migration behavior research and pest and disease early warning.

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Abstract

本发明提供一种基于昆虫对称模型的朝向估计方法，可用于准确估计空中昆虫朝向；本发明在对称模型假设条件下，对昆虫极化散射矩阵(PSM)建模，然后利用模型通过解析推导得到昆虫朝向在‑45°到45°时的朝向解析计算公式。然后利用“相对相位”将该方法扩展至‑90°至90°区间，得到昆虫朝向。相对于已有的朝向计算方法，本方法准确率更高。
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