A New Method of Separating the Signal in the Array with Small Number Sensors

QIN Jian-cun; CHEN Chang-jia

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A New Method of Separating the Signal in the Array with Small Number Sensors

更新时间：2025-07-16

- A New Method of Separating the Signal in the Array with Small Number Sensors
- Acta Electronica Sinica Vol. 36, Issue 9, Pages: 1800-1803(2008)
- 作者机构：
  
  1. 北京交通大学电子信息工程学院,北京,100065
  2. 中国电子科集团公司第54研究所,河北,石家庄,050081
  3. 北京交通大学电子信息工程学院北京,100065
  4. 中国电子科集团公司第54研究所河北石家庄,050081
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.71
- Published Online：25 September 2008，
  
  Published：2008
- 稿件说明：
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QIN Jian-cun, CHEN Chang-jia. A New Method of Separating the Signal in the Array with Small Number Sensors[J]. Acta Electronica Sinica, 2008, 36(9): 1800-1803.
DOI：

QIN Jian-cun, CHEN Chang-jia. A New Method of Separating the Signal in the Array with Small Number Sensors[J]. Acta Electronica Sinica, 2008, 36(9): 1800-1803. DOI：

摘要

小阵元数阵列在利用波束形成技术完成信号分离的任务时

受到阵元数、多径等条件的限制

性能会大幅度下降甚至失效.利用自适应对消和波束形成相结合的处理方法

通过置零点波束形成再级联自适应对消

在信号方向已知的条件下

可以大幅度提高阵列信号处理的性能

有效的进行信号分离.仿真实验证明了该方法的有效性.

Abstract

Limited by the number of sensors and multi-path propagation

the performance of the array with small number sensors might be degraded severely when it is combined with beamforming to separate signals.A new method is proposed by combing adaptive canceling with beamforming technology

in which the adaptive canceling is cascased with null beamforming.Under the assumption that the direction of the signal is known

the performance of array signal processing can be greatly enhanced.The validity of the method is also verified by the simulations.

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