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Highly Resolved Synthetic Aperture Radar With Beam Steering
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Book Synopsis Highly Resolved Synthetic Aperture Radar with Beam Steering by : Ossowska, Alicja
Download or read book Highly Resolved Synthetic Aperture Radar with Beam Steering written by Ossowska, Alicja and published by KIT Scientific Publishing. This book was released on 2015-02-12 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present work deals with a highly resolved radar with a synthetic aperture (synthetic aperture radar - SAR), which uses a beam steering to improve performance. The first part of this work deals with the influence of various effects occurring in the hardware of the High-Resolution Wide-Swath SAR (HRWS SAR) system. A special focus was set to single bit quantization in multi-channel receiver. The second part of this work describes SAR processors for Sliding Spotlight mode.
Book Synopsis Highly Resolved Synthetic Aperture Radar With Beam Steering by : Alicja Ossowska
Download or read book Highly Resolved Synthetic Aperture Radar With Beam Steering written by Alicja Ossowska and published by . This book was released on 2020-10-09 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present work deals with a highly resolved radar with a synthetic aperture (synthetic aperture radar - SAR), which uses a beam steering to improve performance. The first part of this work deals with the influence of various effects occurring in the hardware of the High-Resolution Wide-Swath SAR (HRWS SAR) system. A special focus was set to single bit quantization in multi-channel receiver. The second part of this work describes SAR processors for Sliding Spotlight mode. This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.
Book Synopsis Wide Band Antenna Array for Synthetic Aperture Radar Applications by : May Abo Elhassan
Download or read book Wide Band Antenna Array for Synthetic Aperture Radar Applications written by May Abo Elhassan and published by GRIN Verlag. This book was released on 2022-07-07 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: Doctoral Thesis / Dissertation from the year 2020 in the subject Electrotechnology, , language: English, abstract: In this thesis, a PSO optimization algorithm is applied using a developed technique to synthesize the radiation patterns required for high-resolution land imaging SAR and satellite communications using planar rectangular or concentric circular arrays. The goal of the PSO algorithm is to get the excitation coefficients of the array elements, which are, then, Microstrip patch antennas with linear or circular polarization are proposed to construct the synthesized-beam arrays required for the considered application. A wide band rectangular patch antenna with U-slot is proposed for planar arrays with linear polarization. A square patch antenna with four truncated corners and four axial slots is designed for planar rectangular and circular arrays. Finally, a square patch antenna with two L-shaped slots inserted at diagonally opposite corners is designed for planar concentric circular arrays. Turnstile arrays of either dipole elements or U-slotted microstrip patch antennas excited with circulating phase shift are proposed to construct planar arrays with circular polarization for land-imaging SAR systems and satellite communications. Synthetic Aperture Radar (SAR) is used for remote sensing to create two-dimensional images of land covers on the earth’s surface. Such a land-imaging system has a great importance in many civilian and military applications. The SAR uses the radar antenna to scan a ground area to provide microwave images with fine spatial resolution. The SAR is typically mounted on an aircraft or spacecraft, and usually has a form of side-looking radar. It uses the Doppler and time delay information of the ground reflected wave to generate a two-dimensional image with the desired azimuth resolution (direction of motion) and range resolution (normal to the direction of motion), respectively. The SAR operation requires a physical antenna of radiation pattern with foot print of high aspect ratio and a mechanism capable of achieving beam steering and beam shaping. The SAR antenna array should be rigid, planar, deployable, and as lightweight as possible. A side-looking SAR system requires an antenna with a flat-topped beam pattern in the plane of the azimuth direction and a cosecant-squared beam shape in the plane of the range direction. For satellite communications with the ground stations, an isoflux beam is required for uniform coverage and continuity during the communication session.
Book Synopsis Adaptive Digital Beam-Forming for High-Resolution Wide-Swath Synthetic Aperture Radar by : Eduardo Makhoul Varona
Download or read book Adaptive Digital Beam-Forming for High-Resolution Wide-Swath Synthetic Aperture Radar written by Eduardo Makhoul Varona and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling Backscattering Behavior of Vulnerable Road Users Based on High-Resolution Radar Measurements by : Abadpour, Sevda
Download or read book Modeling Backscattering Behavior of Vulnerable Road Users Based on High-Resolution Radar Measurements written by Abadpour, Sevda and published by KIT Scientific Publishing. This book was released on 2023-11-20 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the evolvement of autonomous driving technology, obtaining reliable 3-D environmental information is an indispensable task in approaching safe driving. The operational behavior of automotive radars can be precisely evaluated in a virtual test environment by modeling its surrounding, specifically vulnerable road users (VRUs). Such a realistic model can be generated based on the radar cross section (RCS) and Doppler signatures of a VRU. Therefore, this work proposes a high-resolution RCS measurement technique to determine the relevant scattering points of different VRUs.
Book Synopsis High-Precision Automotive Radar Target Simulation by : Diewald, Axel
Download or read book High-Precision Automotive Radar Target Simulation written by Diewald, Axel and published by KIT Scientific Publishing. This book was released on 2023-08-15 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Radar target simulators (RTSs) deceive a radar under test (RuT) by creating an artificial environment consisting of virtual radar targets. In this work, new techniques are presented that overcome the rasterization deficiency of current RTS systems and enable the generation of virtual targets at arbitrary high-precision positions. This allows for continuous movement of the targets and thus a more credible simulation environment.
Book Synopsis Synthetic Aperture Radar by : John J. Kovaly
Download or read book Synthetic Aperture Radar written by John J. Kovaly and published by Artech House Publishers. This book was released on 1976 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Polarimetric Radar for Automotive Applications by : Visentin, Tristan
Download or read book Polarimetric Radar for Automotive Applications written by Visentin, Tristan and published by KIT Scientific Publishing. This book was released on 2019-04-10 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multi-User Gesture Recognition with Radar Technology by : Ninos, Alexandros
Download or read book Multi-User Gesture Recognition with Radar Technology written by Ninos, Alexandros and published by KIT Scientific Publishing. This book was released on 2022-10-27 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this work is the development of a Radar system for consumer applications. It is capable of tracking multiple people in a room and offers a touchless human-machine interface for purposes that range from entertainment to hygiene.
Book Synopsis Concepts for Short Range Millimeter-wave Miniaturized Radar Systems with Built-in Self-Test by : Girma, Mekdes
Download or read book Concepts for Short Range Millimeter-wave Miniaturized Radar Systems with Built-in Self-Test written by Girma, Mekdes and published by KIT Scientific Publishing. This book was released on 2019-11-21 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis MIMO OFDM Radar-Communication System with Mutual Interference Cancellation by : Sit, Yoke Leen
Download or read book MIMO OFDM Radar-Communication System with Mutual Interference Cancellation written by Sit, Yoke Leen and published by KIT Scientific Publishing. This book was released on 2017-04-10 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work describes the OFDM-based MIMO Radar-Communication System, intended for operation in a multiple-user network, especially the automotive sector in the vehicle-to vehicle/infrastructure network. The OFDM signals however are weak towards frequency offsets causing subcarrier misalignment and corrupts the radar estimation and the demodulation of the communication signal. A simple yet effective interference cancellation algorithm is detailed here with real time measurement verification.
Book Synopsis RF Probe-Induced On-Wafer Measurement Errors in the Millimeter-Wave Frequency Range by : Mueller, Daniel
Download or read book RF Probe-Induced On-Wafer Measurement Errors in the Millimeter-Wave Frequency Range written by Mueller, Daniel and published by KIT Scientific Publishing. This book was released on 2018-11-22 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurement at millimeter-wave frequencies are prone to parasitic effects which distort the overall results. Especially the use of RF probes introduces unknown distortions, even after the measurement setup is calibrated. This works investigates these distortions based on electromagnetic field simulations of integrated circuits in conjunction with models of the used RF probes. This allows to comprehend the observed distortions and successfully resolve the root of the distortions.
Book Synopsis Low Temperature Co-fired Ceramics for System-in-Package Applications at 122 GHz by : Bhutani, Akanksha
Download or read book Low Temperature Co-fired Ceramics for System-in-Package Applications at 122 GHz written by Bhutani, Akanksha and published by KIT Scientific Publishing. This book was released on 2019-10-17 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Application-Specific Broadband Antennas for Microwave Medical Imaging by : Jalilvand, Malyhe
Download or read book Application-Specific Broadband Antennas for Microwave Medical Imaging written by Jalilvand, Malyhe and published by KIT Scientific Publishing. This book was released on 2017-08-01 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this work is the introduction of efficient antenna structures on the basis of the requirement of different microwave imaging methods; i.e. quantitative and qualitative microwave imaging techniques. Several criteria are proposed for the evaluation of single element antenna structures for application in microwave imaging systems. The performance of the proposed antennas are evaluated in simulation and measurement scenarios.
Book Synopsis Capacity Enhancement by Pattern-Reconfigurable Multiple Antenna Systems in Vehicular Applications by : Kowalewski, Jerzy
Download or read book Capacity Enhancement by Pattern-Reconfigurable Multiple Antenna Systems in Vehicular Applications written by Kowalewski, Jerzy and published by KIT Scientific Publishing. This book was released on 2020-06-08 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Intelligent Reflecting Surfaces in Wireless Communication Systems by : Li, Yueheng
Download or read book Intelligent Reflecting Surfaces in Wireless Communication Systems written by Li, Yueheng and published by KIT Scientific Publishing. This book was released on 2024-02-23 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accompanied with the development of the wireless communication technologies, the high data traffic is more necessary for civil and industrial applications than ever The concept of an intelligent reflective surface (IRS) has attracted considerable attention recently as a low-cost solution. As the main contribution, the dissertation creates new state-of-the-art and formulates a solid milestone for the IRS research field.
Book Synopsis RF Modelling and Characterization of Tyre Pressure Sensors and Vehicle Access Systems by : Brzeska, Malgorzata Dominika
Download or read book RF Modelling and Characterization of Tyre Pressure Sensors and Vehicle Access Systems written by Brzeska, Malgorzata Dominika and published by KIT Scientific Publishing. This book was released on 2015-05-12 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: Core topics of the work are the vehicle access systems such as PAssive Start and Entry (PASE), Remote Keyless Entry (RKE) as well as Tyre Pressure Monitoring System (TPMS). Two goals are followed: the development of antennas and functionality analysis from RF (Radio Frequency) point of view and improvement of system parts. The overall objective of this work is to advance the state-of-the-art vehicular electromagnetic simulation taking into account the vehicle body and nearest surroundings.