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

作　　者：马兰 井伟[1] 扈月松 李照照[1] 路焜鹏 MA Lan;JING Wei;HU Yuesong;LI Zhaozhao;LU Kunpeng(Xi'an Electronic Engineering Research Institute, Xi'an 710100;The Sixth Army Representative Office of the army in Xi'an, Xi'an 710100)

机构地区：[1]西安电子工程研究所,西安710100 [2]陆军驻西安地区第六军代室,西安710100

出　　处：《火控雷达技术》2020年第4期14-18,26,共6页Fire Control Radar Technology

基　　金：多功能相控阵雷达认知探测技术(41413020901)。

摘　　要：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.

关 键 词：雷达测距 抛物线插值 模型匹配 测距精度 

分 类 号：TN953[电子电信—信号与信息处理]