Doppler Spectral Characteristics from Dynamic Mixed Sea Waves
Doppler Spectral Characteristics from Dynamic Mixed Sea Waves
- Author(s): Ding Nie and Min Zhang
- DOI: 10.1049/cp.2018.0508
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- Author(s): Ding Nie and Min Zhang Source: 12th European Conference on Antennas and Propagation (EuCAP 2018), 2018 page (3 pp.)
- Conference: 12th European Conference on Antennas and Propagation (EuCAP 2018)
- DOI: 10.1049/cp.2018.0508
- ISBN: 978-1-78561-816-1
- Location: London, UK
- Conference date: 9-13 April 2018
- Format: PDF
Compared to traditional wind sea, swell will exert some different influences to wave shape and its propagation features in wind wave and swell mixed marine region. The Doppler spectral characteristics from dynamic mixed sea waves have been studied by the analytical second-order small slope approximation (SSA-II) model. Based on the simulated Doppler spectra of backscattered signals from sea waves, it is found that the swell and wind wave dominate the overall impact to Doppler spectra in different incident angle regions. Moreover, mixed waves with heavier wind wave will lead to larger Doppler shift and bandwidth at most incident angles.
Inspec keywords: Doppler shift; Doppler radar; oceanographic equipment; ocean waves; wind; oceanographic techniques
Subjects: Sea-air interactions; Surface waves, tides, and sea level; Radar equipment, systems and applications; Oceanographic and hydrological techniques and equipment; Winds and their effects in the lower atmosphere; Instrumentation and techniques for geophysical, hydrospheric and lower atmosphere research
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