JOURNAL ARTICLE

Multi-source passive localization via multiple unmanned aerial vehicles

Xiaomei QuTao LiuWenrong Tan

Year: 2019 Journal:   Scientia Sinica Informationis Vol: 49 (5)Pages: 570-584   Publisher: Science China Press

Abstract

信息科学 第 49 卷 第 5 期 视. 所谓无源定位, 是指观测平台不向被侦察的目标发射信号, 通过获得目标的到达时间差 [7] 、到达角 度 [8] 、Doppler 变化率 [9] 等信息确定目标辐射源的三维位置.对于静态目标, 常见的无源定位机制是通过测量目标发射的信号到各观测平台的到达时间差 (time difference of arrival, TDOA) [10∼12] 来进行定位.基于 TDOA 的无源目标定位已成为近年来国内外研 究的热点问题 [13∼20] .通常, 基于 TDOA 观测的目标定位需要多个观测平台协作完成 [12] .如果 TDOA 能被准确测量, 可通过计算到达时间差双曲线的交点估计目标位置 [11] .然而在实际应用中, TDOA 观测往往含有随机噪声, 这种情况下基于 TDOA 观测的目标定位方法可大致分为两类: 极大似然 法 [7

Keywords:
Multilateration Quadratic programming Quadratic growth Linearization Mathematical optimization Monte Carlo method Least-squares function approximation Computer science Quadratic equation Key (lock) Algorithm Semidefinite programming Mathematics Nonlinear system

Metrics

5
Cited By
0.34
FWCI (Field Weighted Citation Impact)
24
Refs
0.60
Citation Normalized Percentile
Is in top 1%
Is in top 10%

Citation History

Topics

Indoor and Outdoor Localization Technologies
Physical Sciences →  Engineering →  Electrical and Electronic Engineering
Radio Wave Propagation Studies
Physical Sciences →  Engineering →  Aerospace Engineering
Target Tracking and Data Fusion in Sensor Networks
Physical Sciences →  Computer Science →  Artificial Intelligence

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