传感器位置误差条件下仅用到达频率差的无源定位性能分析

doi:CNKI:11-1929/V.20110517.1515.002

Abstract

Abstract: The accuracy of passive localization is very sensitive to erroneous receiver positions. This paper performs a Cramer-Rao lower bound(CRLB)and a mean-square error(MSE)analysis for passive localization using frequency-difference-of-arrival(FDOA)only. An iterative algorithm, the Taylor-series method, is applied to estimate the location of an emitter and the positions of receivers using FDOA measurements when the receivers have random position errors. The theoretical MSE of the algorithm is derived and proved to meet the CRLB. Given a good initial solution guess, simulation results show that the estimation accuracy approximately attains the CRLB and demonstrate the feasibility of the accuracy analysis.

Key words: passive localization, frequency-difference-of-arrival, Taylor series, Cramer-Rao lower bound, meansquare error

CLC Number:

LI Jinzhou, GUO Fucheng. Performance Analysis for Passive Source Localization Using Merely FDOA Measurements with Erroneous Receiver Positions[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2011, 32(8): 1497-1505.

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Performance Analysis for Passive Source Localization Using Merely FDOA Measurements with Erroneous Receiver Positions

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