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An Algorithm For The Extraction Of Ocean Wave Parameters From Wide Beam Hf Radar Codar Backscatter
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Book Synopsis An Algorithm for the Extraction of Ocean Wave Parameters from Wide Beam HF Radar (CODAR) Backscatter by : Eric William Gill
Download or read book An Algorithm for the Extraction of Ocean Wave Parameters from Wide Beam HF Radar (CODAR) Backscatter written by Eric William Gill and published by . This book was released on 1990 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Algorithm for the Extraction of Ocean Wave Parameters from Wide Beam HF Radar (CODAR) Backscatter by : Eric William Gill
Download or read book An Algorithm for the Extraction of Ocean Wave Parameters from Wide Beam HF Radar (CODAR) Backscatter written by Eric William Gill and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Extraction of Ocean Wave Parameters from Wide Beam HF Radar (CODAR) Backscatter by : E. W. Gill
Download or read book Extraction of Ocean Wave Parameters from Wide Beam HF Radar (CODAR) Backscatter written by E. W. Gill and published by . This book was released on 1991 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-frequency (HF) radar cross sections of the ocean surface associated with a four-element square array operating in a ground wave mode are presented. Using these cross sections, an algorithm previously developed to extract directional waveheight information from HF sea echo is tested experimentally. Results for the non-directional spectrum are compared with data provided by a Waverider buoy. Directional information is considered in relation to wind conditions in the experimental environment.
Book Synopsis Extraction of Ocean Wave Parameters from Wide Beam HF Radar Backscatter by :
Download or read book Extraction of Ocean Wave Parameters from Wide Beam HF Radar Backscatter written by and published by . This book was released on 1990 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past decade, high-frequency ground wave Doppler radar has emerged as a powerful tool in the remote sensing of ocean surface phenomena, particularly in coastal regions. This paper examines how a four-element square array, now used for mapping surface currents, could be used to extract ocean wave parameters.
Book Synopsis An Algorithm for the Extraction of Ocean Wave Spectra from Narrow Beam HF Radar Backscatteer by : Randy Keith Howell
Download or read book An Algorithm for the Extraction of Ocean Wave Spectra from Narrow Beam HF Radar Backscatteer written by Randy Keith Howell and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An algorithm is developed and tested to interpret ocean wave spectra from the backscatter return of one or more narrow beam HF radars. The basis of this measurement is the inversion of the integral equation representing the second order radar cross section of the ocean surface (Barrick and Lipa, 1986; Srivastava, 1984; Walsh and Howell, 1990). This equation is numerically inverted by approximating it as a matrix equation and factorizing the resultant kernel matrix using a singular value decomposition to obtain its pseudo-inverse. -- Due to the limitations of the assumption used to linearize the integral equation, the proposed inversion algorithm is best suited for general use at high HF frequencies (≈ 20 to 30 MHz). However, this algorithm may still be applied for the crucial task of monitoring large sea state conditions at even very low HF frequencies (
Book Synopsis An Algorithm for the Extraction of Ocean Wave Spectra from Narrow Beam HF Radar Backscatter by : Randy Keith Howell
Download or read book An Algorithm for the Extraction of Ocean Wave Spectra from Narrow Beam HF Radar Backscatter written by Randy Keith Howell and published by . This book was released on 1990 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Randy Keith Howell Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 : Total Pages :216 pages Book Rating :4.:/5 (456 download)
Book Synopsis An Algorithm for the Extraction of Ocean Wave Spectra from Narrow Beam HF Radar Backscatter [microform] by : Randy Keith Howell
Download or read book An Algorithm for the Extraction of Ocean Wave Spectra from Narrow Beam HF Radar Backscatter [microform] written by Randy Keith Howell and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1990 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Memorial University of Newfoundland. Centre for Cold Ocean Resources Engineering Publisher : ISBN 13 : Total Pages :160 pages Book Rating :4.0/5 ( download)
Book Synopsis C-CORE News by : Memorial University of Newfoundland. Centre for Cold Ocean Resources Engineering
Download or read book C-CORE News written by Memorial University of Newfoundland. Centre for Cold Ocean Resources Engineering and published by . This book was released on 1990 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis Methods for Narrow-beam High-frequency Radar Sea Echo by : Belinda J. Lipa
Download or read book Analysis Methods for Narrow-beam High-frequency Radar Sea Echo written by Belinda J. Lipa and published by . This book was released on 1982 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microlog, Canadian Research Index by :
Download or read book Microlog, Canadian Research Index written by and published by . This book was released on 1993 with total page 1550 pages. Available in PDF, EPUB and Kindle. Book excerpt: An indexing, abstracting and document delivery service that covers current Canadian report literature of reference value from government and institutional sources.
Book Synopsis An Algorithm to Derive Wind Speed and Direction as Well as Ocean Wave Directional Spectra from HF Radar Backscatter Measurements Based on Neural Networks by : Wei Shen
Download or read book An Algorithm to Derive Wind Speed and Direction as Well as Ocean Wave Directional Spectra from HF Radar Backscatter Measurements Based on Neural Networks written by Wei Shen and published by . This book was released on 2011 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1994 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Algorithm to Derive Wind Speed and Direction as Well as Ocean Wave Directional Spectra from HF Radar Backscatter Measurements Based on Neural Network by : Wei Shen
Download or read book An Algorithm to Derive Wind Speed and Direction as Well as Ocean Wave Directional Spectra from HF Radar Backscatter Measurements Based on Neural Network written by Wei Shen and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Remote Sensing of the Directional Ocean Wave Spectra Using HF Backscatter Radar by : Abdelrahman M. Elabdalla
Download or read book Remote Sensing of the Directional Ocean Wave Spectra Using HF Backscatter Radar written by Abdelrahman M. Elabdalla and published by . This book was released on 1982 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Remote Sensing of Ocean Surface Current and Current Shear by HF Backscatter Radar by : Eng-Chong Ha
Download or read book Remote Sensing of Ocean Surface Current and Current Shear by HF Backscatter Radar written by Eng-Chong Ha and published by . This book was released on 1979 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Doppler spectrum of radar return from the sea at HF contains two narrow lines displaced upward and downward from the carrier frequency, resulting from backscatter off ocean surface waves moving toward and away from the radar, respectively. These Bragg lines indicate resonant backscatter which occurs for the ocean waves of length one-half the radio wavelength. The phase velocity of these gravity waves consists of two components; the first is determined by the wavelength and the second by the current component in the direction of wave propagation averaged over depth with an exponential weighting function that has a characteristic scale proportional to the wavelength. The Doppler shift of the radar carrier is determined by the wave phase velocity. Its variation with carrier frequency is thus related to the vertical profile of the current component in the radar direction by a Laplace transform; therein lies the principle of radio measurement of ocean current and its vertical shear. Radio backscatter experiments to verify the feasibility of such measurements were conducted using the radar operating at four frequencies covering the range from 3 to 30 MHz. The depth-averaged radial current deduced from the centroid of the Doppler-shifted sea echo experiments at 6.8, 13.3, 21.7, and 29.8 MHz showed fluctuations on the order of 1 cm/sec superimposed on temporal trends that reached maximum values of about 40 cm/sec. It is concluded that multifrequency backscatter ground-wave radar at HF constitutes a powerful technique for mapping current and its vertical profile in the top few meters of the ocean.
Book Synopsis An Algorithm for the Extraction of Ocean Wave Information from Bistatic HF Groundwave Radar Data by : Jianjun Zhang (July)
Download or read book An Algorithm for the Extraction of Ocean Wave Information from Bistatic HF Groundwave Radar Data written by Jianjun Zhang (July) and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Algorithm for the Extraction of Ocean Wave Information from Bistatic HF Groundwave Radar Data by : Jianjun Zhang
Download or read book An Algorithm for the Extraction of Ocean Wave Information from Bistatic HF Groundwave Radar Data written by Jianjun Zhang and published by . This book was released on 2003 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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