两点抛物线插值提高雷达测距精度的研究

Research on Improving Radar Ranging Accuracy by Two-point Parabolic Interpolation

本文结合雷达测距原理,分析了距离量化误差产生的原因,在传统抛物线插值算法的基础上,提出了两点式抛物线插值算法,仿真验证了算法的有效性。相比于传统抛物线插值,两点式插值算法模型匹配度高,可在减少计算量的同时提高雷达测距精度。

In this paper,based on the principle of radar ranging,the cause for distance quantization error is analyzed;and on the basis of the traditional parabolic interpolation algorithm,a two-point parabolic interpolation algorithm is proposed,which is verified as effective by simulation.Compared with the traditional parabolic interpolation,the two-point interpolation algorithm featured with high matching degree,which can reduce the amount of calculation and improve radar ranging accuracy.