Multi-station radar high-speed target detection method based on axis rotation and dual-core radon cuboid phase

By combining improved axis rotation with dual-core Radon cubic phase functions, the problems of high computational load and low detection efficiency in high-speed target detection of multi-station radar are solved, achieving a highly efficient detection effect.

CN122172174APending Publication Date: 2026-06-09XIDIAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
XIDIAN UNIV
Filing Date
2026-01-28
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing technologies for high-speed target detection in multi-station radar suffer from problems such as high computational load, low detection efficiency, and limited detection probability. In particular, the large number of parameter search dimensions and the mutual coupling between parameters affect the improvement of detection probability.

Method used

A method based on axis rotation and dual-core Radon cubic phase is adopted. The improved axis rotation method is used to compensate for the distance travel of the signal, and the dual-core Radon cubic phase function is used for Doppler diffusion compensation, which reduces the computational complexity and improves the detection efficiency.

Benefits of technology

While ensuring a high detection probability, it significantly improves detection efficiency, reduces computational complexity, and eliminates compensation bias caused by multi-parameter coupling.

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Abstract

This invention proposes a multi-station radar high-speed target detection method based on axis rotation and dual-core Radon cubic phase. The implementation steps are as follows: range travel compensation is performed on the signal after second-order Keystone transform based on an improved axis rotation method; Doppler diffusion compensation is performed on the potential target signal based on the dual-core Radon cubic phase function; the data correlation results between the measured values ​​and the target are calculated, and the multi-station radar high-speed target detection results are obtained. In the range travel compensation of the second-order Keystone transform signal, this invention only rotates the fast time axis of each range block signal, improving the two-dimensional parameter search for range and velocity into a one-dimensional rotation angle search, thus reducing the computational load; the Doppler diffusion compensation of the potential target signal based on the dual-core Radon cubic phase function transforms the high-dimensional parameter search into an instantaneous frequency change rate search, improving detection efficiency and detection probability.
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