估计近场源三维参数的新方法

摘要/Abstract

摘要： 针对近场源的方向角、仰角和距离的三维参数估计,提出了一种新的近场源三维参数的估计方法。该方法利用十字阵列的结构特点和四阶累积量估计信源的方向角、仰角和距离参数。十字阵列的其中一个子阵仅需2个阵元,从而减少了阵列的阵元个数,同时具有无需谱峰搜索和估计精度高的优点,且适用于高斯有色噪声环境。仿真实验证明了该方法的有效性。

关键词: 信息处理技术, 近场源定位, 四阶累积量, 方向角估计, 仰角估计, 距离估计

Abstract: A new method was presented aiming at the three-dimensional parameter (bearing, elevation and range) estimation of near-field sources, Which uses the cross-array and four-order cumulant to estimate bearing-elevation-range parameter of sources. One subarray of the cross-array only has two sensors, that decreasing the number of the array sensors. it also has the merits of no needing spectral peak searching and the good estimate precision, and furthermore, the method can be applied to Gaussian color noise environments. The effectiveness are illustrated by the simulation results.

Key words: communication processing technology, near field source localization, four-order cumulant, bearing estimate, elevation estimate, range estimate

中图分类号:

TN911.72

王波, 王树勋, 韩啸. 估计近场源三维参数的新方法[J]. 吉林大学学报(工学版), 2004, (4): 611-616.

WANG Bo, WANG Shuxun, HAN Xiao. New method for three dimensional parameters estimation of near field sources[J]. 吉林大学学报(工学版), 2004, (4): 611-616.

参考文献

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