Aperture 1 5
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The Microscope And Microscopical Technology
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Author : Heinrich Frey
language : en
Publisher:
Release Date : 1880
The Microscope And Microscopical Technology written by Heinrich Frey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1880 with Histology categories.
Multi Antenna Synthetic Aperture Radar
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Author : Wen-Qin Wang
language : en
Publisher: CRC Press
Release Date : 2017-07-12
Multi Antenna Synthetic Aperture Radar written by Wen-Qin Wang and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-12 with Technology & Engineering categories.
Synthetic aperture radar (SAR) is a well-known remote sensing technique, but conventional single-antenna SAR is inherently limited by the minimum antenna area constraint. Although there are still technical issues to overcome, multi-antenna SAR offers many benefits, from improved system gain to increased degrees-of-freedom and system flexibility. Multi-Antenna Synthetic Aperture Radar explores the potential and challenges of using multi-antenna SAR in microwave remote sensing applications. These applications include high-resolution imaging, wide-swath remote sensing, ground moving target indication, and 3-D imaging. The book pays particular attention to the signal processing aspects of various multi-antenna SAR from a top-level system perspective. Explore Recent Extensions of Synthetic Aperture Radar Systems The backbone of the book is a series of innovative microwave remote sensing approaches developed by the author. Centered around multi-antenna SAR imaging, these approaches address specific challenges and potential problems in future microwave remote sensing. Chapters examine single-input multiple-output (SIMO) multi-antenna SAR, including azimuth and elevation multi-antenna SAR, and multiple-input multiple-output (MIMO) SAR. The book details the corresponding system scheme, signal models, time/phase/spatial synchronization methods, and high-precision imaging algorithms. It also investigates their potential applications. Introductory Tutorials and Novel Approaches in Multi-Antenna SAR Imaging Rigorous and self-contained, this is a unique reference for researchers and industry professionals working with microwave remote sensing, SAR imaging, and radar signal processing. In addition to novel approaches, the book also presents tutorials that serve as an introduction to multi-antenna SAR imaging for those who are new to the field.
Transactions Of The Royal Society Of South Australia Incorporated
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Author : Royal Society of South Australia
language : en
Publisher:
Release Date : 1898
Transactions Of The Royal Society Of South Australia Incorporated written by Royal Society of South Australia and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1898 with Science categories.
Journal Of The Society Of Arts
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Author : Royal Society of Arts (Great Britain)
language : en
Publisher:
Release Date : 1893
Journal Of The Society Of Arts written by Royal Society of Arts (Great Britain) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1893 with Industrial arts categories.
Nature
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Author :
language : en
Publisher:
Release Date : 1888
Nature written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1888 with Science categories.
Medical Museum Of The Armed Forces Institute Of Pathology Microscope Collection Of The Medical Museum
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Author : United States Department of Defense
language : en
Publisher:
Release Date : 1964
Medical Museum Of The Armed Forces Institute Of Pathology Microscope Collection Of The Medical Museum written by United States Department of Defense and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with categories.
Manual For Operational Documentary Photography Odp
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Author : V. V. Hendrix
language : en
Publisher:
Release Date : 1963
Manual For Operational Documentary Photography Odp written by V. V. Hendrix and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Emergency management categories.
Large Aperture Array Radar Systems For Automotive Applications
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Author : Fabian Schwartau
language : en
Publisher: Cuvillier Verlag
Release Date : 2021-10-18
Large Aperture Array Radar Systems For Automotive Applications written by Fabian Schwartau and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-10-18 with Technology & Engineering categories.
The radar, besides camera and Lidar systems, is a core sensor to enable autonomous driving. The relatively limited angular resolution is the major drawback of the radar. This thesis shows the development of a conceptual future radar system for automotive applications. The focus is on providing a large antenna aperture to achieve the required high angular resolution. Two genetic algorithms are developed to optimize the antenna array for a good side lobe level while providing high angular resolution. Two demonstrators are built to implement certain aspects of the proposed radar system and prove the general concept viable. The first demonstrator features a large aperture with a limited side lobe level and is using a modular approach. The modules are synchronized with a radio over fiber system. The second demonstrator uses the previously proposed antenna array, which is implemented with a synthetic aperture radar approach. The system’s capabilities in a real scenario are demonstrated, and the reconstruction of a high-resolution three-dimensional image from the captured data is shown. Das Radar stellt, neben Kamera- und Lidar-Systemen, einen zentralen Sensor für das autonome Fahren dar. Dabei ist die relativ geringe Winelauflösung der primäre Nachteil des Radars. Diese Arbeit zeigt die Entwicklung eines konzeptionellen zukünftigen Radarsystems für automobile Anwendungen. Der Schwerpunkt liegt auf der Umsetzung einer großen Antennenapertur, um die erforderliche hohe Winkelauflösung zu erreichen. Zwei evolutionäre Algorithmen werden vorgestellt, um das Antennen-Array auf einen guten Nebenkeulen-Pegel zu optimieren und gleichzeitig eine hohe Winkelauflösung zu erreichen. Zwei Demonstratoren werden gebaut, um bestimmte Aspekte des vorgeschlagenen Radarsystems zu implementieren und die Durchführbarkeit des allgemeinen Konzepts zu zeigen. Der erste Demonstrator weist eine große Apertur mit einem begrenzten Nebenkeulen-Niveau auf und verwendet einen modularen Ansatz. Die Module sind mit einem Radio-over-Fiber-System synchronisiert. Der zweite Demonstrator verwendet die zuvor entworfene Antennenanordnung, die mit einem Radar mit synthetischer Apertur realisiert wird. Die Fähigkeiten des Systems werden in einem realen Szenario demonstriert und die Rekonstruktion eines hochauflösenden dreidimensionalen Bildes aus den erfassten Daten gezeigt.
Knowledge
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Author :
language : en
Publisher:
Release Date : 1889
Knowledge written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1889 with Science categories.
Remote Sensing Physics
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Author : Rick Chapman
language : en
Publisher: John Wiley & Sons
Release Date : 2022-03-15
Remote Sensing Physics written by Rick Chapman and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-03-15 with Technology & Engineering categories.
An introduction to the physical principles underlying Earth remote sensing. The development of spaceborne remote sensing technology has led to a new understanding of the complexity of our planet by allowing us to observe Earth and its environments on spatial and temporal scales that are unavailable to terrestrial sensors. Remote Sensing Physics: An Introduction to Observing Earth from Space is a graduate-level text that examines the underlying physical principles and techniques used to make remote measurements, along with the algorithms used to extract geophysical information from those measurements. Volume highlights include: Basis for Earth remote sensing including ocean, land, and atmosphere Description of satellite orbits relevant for Earth observations Physics of passive sensing, including infrared, optical and microwave imagers Physics of active sensing, including radars and lidars Overview of current and future Earth observation missions Compendium of resources including an extensive bibliography Sample problem sets and answers available to instructors The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity. Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals.