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首页> 外文期刊>IEEE Transactions on Aerospace and Electronic Systems >Joint Exploitation of TDOA and PCL Techniques for Two-Dimensional Target Localization
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Joint Exploitation of TDOA and PCL Techniques for Two-Dimensional Target Localization

机译：TDOA和PCL技术对二维目标定位的联合开发

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摘要

This paper is focused on noncooperative target position estimation via the joint use of two-dimensional (2-D) hyperbolic and elliptic passive location techniques based on time difference of arrival (TDOA) and passive coherent locator (PCL) measurements, respectively. A fusion strategy is laid down at the signal processing level to obtain a reliable estimate of the current target position. With reference to the scenario with a single transmitter of opportunity, the mathematical model for joint exploitation of TDOA and PCL strategies is formulated. Then, the Cramer-Rao lower bound (CRLB) for the Cartesian coordinates of the target is established and the theoretical performance gains achievable over the localization technique using only TDOA or PCL observations are assessed. Finally, TDOA-PCL hybrid 2-D localization algorithms are provided and their performance in terms of root-mean-square error is compared with the square root of the CRLB.
机译：本文专注于通过基于到达时间差（TDOA）和被动相干定位器（PCL）测量的时间差的二维（2-D）双曲线和椭圆无源位置技术的非旋转目标位置估计。融合策略在信号处理水平下放置，以获得对当前目标位置的可靠估计。参考单一发射机的场景，制定了TDOA和PCL策略的联合开发的数学模型。然后，建立了笛卡尔坐标坐标坐标的Cramer-Rao下界（CRLB），并且评估了仅使用TDOA或PCL观察到定位技术可实现的理论性能增益。最后，提供了TDOA-PCL混合2-D定位算法，并将其在与CRLB的平方根的方形误差方面的性能。

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