Weak signal detection method based on sector spatial pre-filtering

被引：0

作者：

Zhang Dahai ^{[1
]}

Ma Yuanliang ^{[1
]}

Yang Kunde ^{[1
]}

Pan Yue ^{[1
]}

机构：

[1] NW Polytech Univ, Inst Acoust Engn, Xian 710072, Peoples R China

来源：

CISP 2008: FIRST INTERNATIONAL CONGRESS ON IMAGE AND SIGNAL PROCESSING, VOL 5, PROCEEDINGS | 2008年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A new approach for local area weak signal detection is presented Sector spatial pre-filtering and image part high resolution algorithms were used in this method The steps are: firstly, received data of array is pre-filtered by sector spatial filter. Secondly, according to the character of the noise field filtered, image-part high resolution algorithm is used to scan the local area Then, the signals azimuths are estimated by the spectrum of signals. Computer simulation invited availability of this approach.

引用

页码：552 / 556

页数：5

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