A New Index For Effectiveness Measure Of Jamming To Synthetic Aperture Radar

Author

Zhu, Weigang ; Zhou, Yinqing ; Li, ChunSheng

Author_Institution

Sch. of Electron. Eng., Beijing Univ. of Aeronaut. & Astronaut.

Volume

4

fYear

2006

fDate

16-20 2006

Abstract

In this paper, the information theory is utilized to evaluate the jamming effect on SAR. Entropy could reflect the spatial detail information, and cross entropy could show the divergence and discrimination information of the two kinds of probability distribution. We investigated the cross entropy and presented the improved cross entropy as an index to evaluate the jamming effect. The method was tested on SEASAT-A raw data. In the simulation, the entropy and improved cross entropy were compared, and the results show that this evaluation index, improved cross entropy, is available

Keywords

entropy; jamming; radar imaging; statistical distributions; synthetic aperture radar; SAR; SEASAT-A raw data; cross entropy; evaluation index; information theory; jamming effect; probability distribution; spatial detail information; synthetic aperture radar; Appraisal; Electronic countermeasures; Entropy; Extraterrestrial measurements; Frequency estimation; Information theory; Jamming; Probability distribution; Synthetic aperture radar; Testing;

fLanguage

English

Publisher

ieee

Conference_Titel

Signal Processing, 2006 8th International Conference on

Conference_Location

Beijing

Print_ISBN

0-7803-9736-3

Electronic_ISBN

0-7803-9736-3

Type

conf

DOI

10.1109/ICOSP.2006.346016

Filename

4129708