论文标题
近场测量的线性相检索，并具有局部已知的相位关系
Linear Phase Retrieval for Near-Field Measurements with Locally Known Phase Relations
论文作者
论文摘要
提出了用于在无量相近场远场变换中应用的线性和凸相检索算法。该公式利用了一组测量样本集中的局部相关关系，实际上可以使用多通道接收器获取。由于公式的线性性，实现了可靠的无相相转换，这完全避免了局部最小值的问题 - 大多数现有相位检索技术的致命弱点。此外，必要的测量值保持接近完全交连的天线测量值。与已经存在的方法相比，利用本地阶段关系的方法证明了合成数据的准确性和可靠性。
A linear and thus convex phase retrieval algorithm for the application in phaseless near-field far-field transformations is presented. The formulation exploits locally known phase relations among sets of measurement samples, which can in practice be acquired with multi-channel receivers. Due to the linearity of the formulation, a reliable phaseless transformation is achieved, which completely avoids the problem of local minima - the Achilles heel of most existing phase retrieval techniques. Furthermore, the necessary number of measurements are kept close to that of fully-coherent antenna measurements. Comparisons with an already existing approach exploiting local phase relations demonstrate the accuracy and reliability for synthetic data.
