Waveform analysis for high-frequency FMICW radar

Author

Khan, R.H. ; Mitchell, D.K.

Author_Institution

Centre for Cold Ocean Resources Eng., Memorial Univ. of Newfoundland, St. John´´s, Nfld., Canada

Volume

138

Issue

5

fYear

1991

fDate

10/1/1991 12:00:00 AM

Firstpage

411

Lastpage

419

Abstract

Describes the waveform analysis for an experimental long-range high-frequency radar system with a design capability for over-the-horizon detection of ocean surface targets up to 400 km from shore with a range resolution of 400 m. Motivated by the need to maximise the transmitter duty cycle in order to detect long-range targets, the radar is based on a frequency modulated interrupted continuous wave (FMICW) type waveform. The interrupt sequence, which is necessary for a high power monostatic operation, complicates the analysis of the radar performance in terms of the ambiguity function (AF). The paper analyses the range dependent AF of FMICW waveforms and proposes practical interrupt sequences for the synthesis of desired AFs

Keywords

frequency modulation; oceanographic techniques; radar applications; radar systems; radar theory; waveform analysis; 400 km; HF radar; ambiguity function; environmental measurements; frequency modulated interrupted continuous wave; high power monostatic operation; high-frequency FMICW radar; icebergs; interrupt sequence; long-range targets; ocean surface targets; over-the-horizon detection; radar performance; range resolution; transmitter duty cycle; waveform analysis;

fLanguage

English

Journal_Title

Radar and Signal Processing, IEE Proceedings F

Publisher

iet

ISSN

0956-375X

Type

jour

Filename

99479