Using Geometrical information to Measure the Vibration of A Swaying Millimeter-wave Radar

TL;DR

This paper introduces two geometrical methods to measure the vibration of a swaying millimeter-wave radar, enabling estimation of displacement, amplitude, and rough direction through area and volume difference calculations.

Contribution

The paper proposes novel geometrical approaches for vibration measurement of mmRadar using area and volume differences, providing a simple and effective solution.

Findings

Methods accurately estimate vibration amplitude.

Approaches effectively determine spatial vibrations.

Experimental validation confirms method effectiveness.

Abstract

This paper presents two new, simple yet effective approaches to measure the vibration of a swaying millimeter-wave radar (mmRadar) utilizing geometrical information. Specifically, for the planar vibrations, we firstly establish an equation based on the area difference between the swaying mmRadar and the reference objects at different moments, which enables the quantification of planar displacement. Secondly, volume differences are also utilized with the same idea, achieving the self-vibration measurement of a swaying mmRadar for spatial vibrations. Experimental results confirm the effectiveness of our methods, demonstrating its capability to estimate both the amplitude and a crude direction of the mmRadar's self-vibration.