Performance Analysis of Ultra‐Wideband Channel for Short‐Range Monopulse Radar at Ka‐Band | Zendy

Naohiko Iwakiri | Zendy; Hashimoto Natsuki | Zendy; Takehiko Kobayashi | Zendy

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Performance Analysis of Ultra‐Wideband Channel for Short‐Range Monopulse Radar at Ka‐Band

Author(s) -

Naohiko Iwakiri,

Hashimoto Natsuki,

Takehiko Kobayashi

Publication year - 2012

Publication title -

journal of electrical and computer engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.318

H-Index - 25

eISSN - 2090-0155

pISSN - 2090-0147

DOI - 10.1155/2012/710752

Subject(s) - monopulse radar , amplitude comparison monopulse , multipath propagation , radar , narrowband , electronic engineering , wideband , computer science , ultra wideband , acoustics , engineering , channel (broadcasting) , pulse doppler radar , physics , telecommunications , radar engineering details , radar imaging

High-range resolution is inherently provided with Ka-band ultra-wideband (UWB) vehicular radars. The authors have developed a prototype UWB monopulse radar equipped with a two-element receiving antenna array and reported its measurement results. In this paper, a more detailed verification using these measurements is presented. The measurements were analyzed employing matched filtering and eigendecomposition, and then multipath components were extracted to examine the behavior of received UWB monopulse signals. Next, conventional direction finding algorithms based on narrowband assumption were evaluated using the extracted multipath components, resulting in acceptable angle-of-arrival (AOA) from the UWB monopulse signal regardless of wideband signals. Performance degradation due to a number of averaging the received monopulses was also examined to design suitable radar's waveforms

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