Image enhancement in forward imaging radar using modified apodisation technique

• Published in: Electronics letters Vol. 49; no. 13; pp. 846 - 848
• Main Authors: Cho, B.L, Sun, S.G, Lim, B.G
• Format: Journal Article
• Language: English
• Published: Stevenage The Institution of Engineering and Technology 20.06.2013; Institution of Engineering and Technology
• Subjects: acoustic imaging; aperture length; Applied sciences; Artificial intelligence; Computer science; control theory; systems; Exact sciences and technology; forward imaging radar; image enhancement; image enhancement method; modified apodisation technique; optical images; Pattern recognition. Digital image processing. Computational geometry; radar imaging; Radar, sonar and navigation; Radiocommunications; sidelobe ratio; Telecommunications; Telecommunications and information theory; UWB signal; acoustic imaging; modified apodisation technique; image enhancement; forward imaging radar; UWB signal; aperture length; sidelobe ratio; radar imaging; image enhancement method; optical images; Image quality; Image processing; Imaging; Radar; Experimental study; Ultra wide band; Image enhancement
• ISSN: 0013-5194; 1350-911X; 1350-911X
• DOI: 10.1049/el.2013.0226

Forward imaging radar using an UWB signal has been developed by many researchers. The image quality in this radar is not satisfactory because of the limitation of aperture length. Proposed is an image enhancement method using a modified apodisation technique in forward imaging radar. An experiment is carried out to validate the proposed method. The azimuth resolution and peak-to-sidelobe ratio are improved by the proposed method by up to about 11.7% and 10 dB, respectively.