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首页> 外文期刊>Aerospace and Electronic Systems, IEEE Transactions on >Cramer-Rao Bounds and Selection of Bistatic Channels for Multistatic Radar Systems
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Cramer-Rao Bounds and Selection of Bistatic Channels for Multistatic Radar Systems

机译：Cramer-Rao边界和多基地雷达系统双基地通道的选择

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摘要

In this paper we deal with the problem of calculating the Cram??r-Rao lower bounds (CRLBs) for bistatic radar channels. To this purpose we exploited the relation between the ambiguity function (AF) and the CRLB. The bistatic CRLBs are analyzed and compared with the monostatic counterparts as a function of the bistatic geometric parameters. In the bistatic case both geometry factors and transmitted waveforms play an important role in the shape of the AF, and therefore in the estimation accuracy of the target range and velocity. In particular, the CRLBs depend on the target direction of arrival (DOA), the bistatic baseline length (BBL), and the distance between the target and the receiver. The CRLBs are then used to select the "optimum" bistatic channel (or set of channels) for the tracking of a radar target moving along a trajectory in a multistatic scenario.
机译：在本文中，我们处理为双基地雷达通道计算Cram ?? r-Rao下界（CRLB）的问题。为此，我们利用了歧义函数（AF）和CRLB之间的关系。根据双静态几何参数，对双静态CRLB进行分析并与单静态CRLB进行比较。在双基地情况下，几何因素和透射波形都在自动对焦的形状中起着重要作用，因此在目标范围和速度的估计精度中也起着重要作用。具体而言，CRLB取决于目标到达方向（DOA），双基地基线长度（BBL）以及目标与接收器之间的距离。然后，CRLB用于选择“最佳”双基地通道（或一组通道），用于跟踪在多基地场景中沿轨迹移动的雷达目标。

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