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On the accuracy of array manifold models

机译：关于阵列流形模型的精度

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The antenna array manifold is central to high-resolution array processing. The analytic manifold is defined here as the mathematical model of the array response calculated by solving the electromagnetic equations for the waves impinging on the array. Array manifolds commonly used in the array processing literature are simplified and potentially inaccurate versions of the analytic manifold. This paper describes the characteristics of the analytic manifold and how they differ from those of the simplified manifolds. These differences can degrade the performance of direction-of-arrival estimation in challenging super-resolution scenarios. The mutual coupling matrix and its properties are discussed in some detail.
机译：天线阵列流形对于高分辨率阵列处理至关重要。解析歧管在此定义为阵列响应的数学模型，该数学模型是通过求解电磁波方程来计算的，该电磁方程是对入射在阵列上的波的求解。阵列处理文献中常用的阵列歧管已简化，并且可能是分析歧管的不准确版本。本文介绍了分析歧管的特征以及它们与简化歧管的区别。这些差异可能会降低具有挑战性的超分辨率场景中到达方向估计的性能。互耦矩阵及其性质将被详细讨论。

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