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Non Stationary Interference Cancellation In Hf Surface Wave Radar
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Book Synopsis Non-Stationary Interference Cancellation in HF Surface Wave Radar by :
Download or read book Non-Stationary Interference Cancellation in HF Surface Wave Radar written by and published by . This book was released on 2005 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: High frequency (HF) interference in surface wave over-the-horizon (OTH) radars typically exhibits a time-varying or non-stationary spatial structure. Adaptive beamformers that update the spatial filtering weight vector within the coherent processing interval (CPI) are likely to suppress such interference most effectively, but the intra-CPI antenna pattern fluctuations result in temporal de-correlation of the clutter which severely degrades sub-clutter visibility after Doppler processing. A robust adaptive beamformer that effectively suppresses non-stationary interference without degrading sub-clutter visibility is proposed. The new algorithm is computationally efficient and suitable for practical implementation. Its operational performance is evaluated using experimental data recorded by Iluka HF surface wave (HFSW) OTH radar, located near Darwin in far north Australia.
Book Synopsis An Investigation in Interference Suppression for HF Surface Wave Radar by : Chan, Hing C
Download or read book An Investigation in Interference Suppression for HF Surface Wave Radar written by Chan, Hing C and published by . This book was released on 1999 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Frequency Over-the-Horizon Radar by : Giuseppe Aureliano Fabrizio
Download or read book High Frequency Over-the-Horizon Radar written by Giuseppe Aureliano Fabrizio and published by McGraw Hill Professional. This book was released on 2013-07-09 with total page 946 pages. Available in PDF, EPUB and Kindle. Book excerpt: THE MOST COMPLETE GUIDE TO HIGH FREQUENCY OVER-THE-HORIZON RADAR Written by a leading global expert on the topic, High Frequency Over-the-Horizon Radar provides in-depth coverage of the signal processing models and techniques that have significantly advanced OTH radar technology. This pioneering work describes the fundamental principles of OTH radar design and operation, and then delves into the mathematical modeling of HF signals received by actual OTH radar systems based on experimental data analysis. Numerous examples illustrate the practical application of modern adaptive signal processing techniques to real and simulated OTH radar data. This authoritative text covers skywave and surface-wave systems and is an invaluable resource for researchers, engineers, and practitioners working with OTH radar systems and technologies.
Book Synopsis Suppression of Power Line Harmonic Interference in HF Surface-wave Radar by : Hank Leong
Download or read book Suppression of Power Line Harmonic Interference in HF Surface-wave Radar written by Hank Leong and published by . This book was released on 1992 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Radar Handbook, Third Edition by : Merrill I. Skolnik
Download or read book Radar Handbook, Third Edition written by Merrill I. Skolnik and published by McGraw Hill Professional. This book was released on 2008-02-17 with total page 1329 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Industry Standard in Radar Technology_Now Updated with All the Advances and Trends of the Past 17 Years Turn to the Third Edition of Radar Handbook for state-of-the-art coverage of the entire field of radar technology_from fundamentals to the newest applications. With contributions by 30 world experts, this resource examines methods for predicting radar range and explores radar subsystems such as receivers, transmitters, antennas, data processing, ECCM, and pulse compression. This radar handbook also explains the target cross section...radar echoes from ground and sea...and all radar systems, including MTI, AMTI, pulse doppler, and others. Using SI units, the Third Edition of Radar Handbook features: Unsurpassed guidance on radar fundamentals, theory, and applications Hundreds of examples and illustrations New to this edition: new chapters on radar digital signal processing, radar in air traffic control, ground penetrating radar, fighter aircraft radar, and civil marine radar; 22 thoroughly revised chapters; 17 new contributors Inside This Cutting-Edge Radar Guide • MTI Radar • Pulse Doppler Radar • Multifunctional Radar Systems for Fighter Aircraft • Radar Receivers • Automatic Detection, Tracking, and Sensor Integration • Pulse Compression Radar • Radar Transmitters • Reflector Antennas • Phased Array Radar Antennas • Radar Cross Section • Sea Clutter • Ground Echo • Space-Based Radar • Meteorological Radar • HF Over-the-Horizon Radar • Ground Penetrating Radar • Civil Marine Radar • Bistatic Radar • Radar Digital Signal Processing • And More!
Book Synopsis Suppression of Power Line Harmonic Interference in HF Surface-wave Radar (U). by : Hank Leong
Download or read book Suppression of Power Line Harmonic Interference in HF Surface-wave Radar (U). written by Hank Leong and published by . This book was released on 1992 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental high-frequency surface-wave radar (HFSWR) data was collected in summer 1989 for a set of time series of the radar's sea echoes from individual range gates to study the characteristics of sea clutter, noise and possible targets. This report presents a new process based on optimizations in which the received radar signal is modelled as sea clutter plus modulation of the sea clutter by the power line harmonics.
Book Synopsis Adaptive Suppression of Interference in HF Surface Wave Radar Using Auxiliary Horizontal Dipole Antennas by : Hank Leong
Download or read book Adaptive Suppression of Interference in HF Surface Wave Radar Using Auxiliary Horizontal Dipole Antennas written by Hank Leong and published by . This book was released on 1998 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the results of a study to evaluate the effectiveness of an adaptive technique using horizontal dipoles to suppress the skywave interference in HF Surface Wave Radar (HFSWR). Four auxiliary horizontal dipole antennas, configured in the form of two separate crosses, were used to form an adaptive system with the vertically polarized antennas (VPA) of a HFSWR system. The outputs of the horizontal dipoles were correlated with the summed output of the VPAs to cancel the interference component in the output of the VPAs. Two slightly different methods were used in the estimation of the correlation coefficients. The first method used the samples at the far ranges of the radar, and the second method used the samples in the range bins close to the range bin selected for the interference suppression. With the first method, the interference-plus-noise power (INP) was reduced by up to 13 dB, and the Bragg-to-interference-plus-noise-ratio (BINR) was increased by up to 21 dB. With the second method, the INP was reduced by up to 17 dB, and the BINR was increased by up to 25 dB. In both methods, we compared the effectiveness of the adaptive technique using one, two or four horizontal dipole antennas. As expected, we found that the technique was the most effective when all the four horizontal dipoles were used.
Book Synopsis A Comparison of Side-lobe Cancellation Techniques Using Auxiliary Horizontal and Vertical Antennas in HF Surface Wave Radar by : Leong, Hank
Download or read book A Comparison of Side-lobe Cancellation Techniques Using Auxiliary Horizontal and Vertical Antennas in HF Surface Wave Radar written by Leong, Hank and published by . This book was released on 1999 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Adaptive Suppression of Interference in HF Surface Wave Radar Using Auxiliary Horizontal Dipole Antennas by : Hank Leong
Download or read book Adaptive Suppression of Interference in HF Surface Wave Radar Using Auxiliary Horizontal Dipole Antennas written by Hank Leong and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the results of a study to evaluate the effectiveness of an adaptive technique using horizontal dipoles to suppress the skywave interference in HF Surface Wave Radar (HFSWR). Four auxiliary horizontal dipole antennas, configured in the form of two separate crosses, were used to form an adaptive system with the vertically polarized antennas (VPA) of a HFSWR system. The outputs of the horizontal dipoles were correlated with the summed output of the VPAs to cancel the interference component in the output of the VPAs. Two slightly different methods were used in the estimation of the correlation coefficients. The first method used the samples at the far ranges of the radar, and the second method used the samples in the range bins close to the range bin selected for the interference suppression. With the first method, the interference-plus-noise power (INP) was reduced by up to 13 dB, and the Bragg-to-interference-plus-noise-ratio (BINR) was increased by up to 21 dB. With the second method, the INP was reduced by up to 17 dB, and the BINR was increased by up to 25 dB. In both methods, we compared the effectiveness of the adaptive technique using one, two or four horizontal dipole antennas. As expected, we found that the technique was the most effective when all the four horizontal dipoles were used.
Book Synopsis Adaptive Nulling of Skywave Interference Using Horizontal Dipole Antennas in a Coastal Surveillance HF Surface Wave Radar System by :
Download or read book Adaptive Nulling of Skywave Interference Using Horizontal Dipole Antennas in a Coastal Surveillance HF Surface Wave Radar System written by and published by . This book was released on 1998 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents results of a preliminary study of an adaptive system using horizontal antennas for the suppression of sky wave interference in high-frequency surface wave radar (HFSWR). In the study, four horizontal dipoles configured as two separate crosses were added to a HFSWR system that normally uses vertically polarized antennas. Data received from the dipoles were correlated with the data received from the vertically polarized antennas to estimate and cancel the interference adaptively in the latter. Results show the degree of effectiveness of this exploitation of the difference in polarization between HFSWR signals and sky wave interference. The study also compared the effectiveness of the adaptive technique using one, two, or four horizontal dipole antennas.
Book Synopsis Applications of Space-Time Adaptive Processing by : Richard Klemm
Download or read book Applications of Space-Time Adaptive Processing written by Richard Klemm and published by IET. This book was released on 2004-08-13 with total page 971 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text discusses various applications of space-time adaptive processing, including applications in OTH-radar, ground target tracking, STAP in real world clutter environments, jammer cancellation, superresolution, active sonar, seismics and communications. It is divided into two parts: the first dealing with the classical adaptive suppression of airborne and spacebased radar clutter, and the second comprising of miscellaneous applications in other fields such as communications, underwater sound and seismics.
Book Synopsis Parametric Filters for Non-Stationary Interference Mitigation in Airborne Radars by :
Download or read book Parametric Filters for Non-Stationary Interference Mitigation in Airborne Radars written by and published by . This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Workshop presentation on parametric filters for non-stationary interference mitigation in airborne radars.
Book Synopsis Adaptive Detection in Non-stationary Interference, Part I and by : Edward Joseph Kelly
Download or read book Adaptive Detection in Non-stationary Interference, Part I and written by Edward Joseph Kelly and published by . This book was released on 1985 with total page 134 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 1993 with total page 1168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Frequency Over-The-Horizon Radar (PB) by : Giuseppe Aureliano Fabrizio
Download or read book High Frequency Over-The-Horizon Radar (PB) written by Giuseppe Aureliano Fabrizio and published by McGraw-Hill Companies. This book was released on 2023-06-20 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. THE MOST COMPLETE GUIDE TO HIGH FREQUENCY OVER-THE-HORIZON RADAR SYSTEMS Written by a leading global expert on the topic, High Frequency Over-the-Horizon Radar provides in-depth coverage of the signal processing models and techniques that have significantly advanced OTH radar technology. This pioneering work describes the fundamental principles of OTH radar design and operation, and then delves into the mathematical modeling of HF signals received by actual OTH radar systems based on experimental data analysis. Numerous examples illustrate the practical application of modern adaptive signal processing techniques to real and simulated OTH radar data. This authoritative text covers skywave and surface-wave systems and is an invaluable resource for researchers, engineers, and practitioners working with OTH radar systems and technologies. Key Features: Offers a thorough and accurate treatment of essential concepts ranging from system design and operation, through to signal processing methods, and their practical application. Provides clear explanations of fundamental principles for scientists, engineers, students, practitioners, technicians, managers, and other professionals starting out in this field. Offers a detailed coverage of theoretical and applied signal-processing concepts and techniques that have become a cornerstone for the effective operation of real-world OTH radar systems. Fills a long-standing void in the contemporary OTH radar literature with over 350 illustrations (color figures available for download), and over 500 references.
Download or read book Radar 2002 written by and published by . This book was released on 2002 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of the papers given at the RADAR Conference held in 2002.
Author :Judith Rizoli White Publisher :Institute of Electrical & Electronics Engineers(IEEE) ISBN 13 :9780780389892 Total Pages :176 pages Book Rating :4.3/5 (898 download)
Book Synopsis Proceedings of the IEEE/OES Eighth Working Conference on Current Measurement Technology by : Judith Rizoli White
Download or read book Proceedings of the IEEE/OES Eighth Working Conference on Current Measurement Technology written by Judith Rizoli White and published by Institute of Electrical & Electronics Engineers(IEEE). This book was released on 2005 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
