首页> 外文会议>IEEE International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications vol.2; 20050808-12; Beijing(CN) >A Calibration Algorithm for Gain and Phase Errors of Array Sensors Based on A Single Nonlinear Constraint
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A Calibration Algorithm for Gain and Phase Errors of Array Sensors Based on A Single Nonlinear Constraint

机译:基于单个非线性约束的阵列传感器增益和相位误差校准算法

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摘要

A new calibration algorithm needing one calibration source is presented to estimate the gains and phases of uniform circular array. Firstly, the data collection is done by laying assistant source in different direction. Then the cost function is present by using the signal subspace vector and noise subspace vector of data covariance matrix. Under the nonlinear constraint, the union estimation of DOA of assistant source and the gains and phases of uniform circular array are given by iterative operation. The algorithm does not need to know the direction of assistant source. Simulations show validity of the algorithm.
机译:提出了一种需要一个校正源的新型校正算法,以估计均匀圆形阵列的增益和相位。首先,通过在不同方向放置辅助源来完成数据收集。然后通过使用数据协方差矩阵的信号子空间向量和噪声子空间向量来表示代价函数。在非线性约束下,通过迭代运算给出辅助源DOA的并集估计以及均匀圆形阵列的增益和相位。该算法不需要知道辅助源的方向。仿真表明了该算法的有效性。

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