一种联合估计近场源四维参数的方法

黄志强; 王树勋; 王波

doi:10.3724/SP.J.1146.2005.00873

一种联合估计近场源四维参数的方法

doi: 10.3724/SP.J.1146.2005.00873

基金项目:

国家自然科学基金(60272065)资助课题

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出版历程
- 收稿日期: 2005-07-18
- 修回日期: 2005-12-16
- 刊出日期: 2007-02-19

A Method for Joint Estimating 4-D Parameters of Near-Field Sources

摘要

摘要: 该文提出了一种近场窄带信源频率、仰角、方位角和距离四维参数的联合估计方法。该方法利用特征值及其相应特征向量和四阶累积量估计信号参数，不需要进行谱峰搜索，并且适用于加性高斯噪声环境。计算机仿真实验证明了该方法的有效性。
- 阵列信号处理;四阶累积量;频率估计;仰角估计;方位角估计;距离估计
Abstract: A method for joint estimating frequency, elevation, bearing and range of near-field narrowband sources is presented. The method uses eigenvalues together with the corresponding eigenvectors and four-order cumulant to estimate 4-D parameters of sources, which does not need spectral peak searching, and it can be applied to additive Guassian noise environments. The effectiveness is verified by the computer simulations.

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