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Ground Penetrating Radar
This book offers an overview of modern advances in Ground Penetrating Radar (GPR) for the reader hoping to understand comprehensive electromagnetic culture, combining instrumental development of radar, signal processing, imaging, and calibration/correction of measured data. GPR has a multi-disciplinary character that can bring together a diverse and broad community. Of concern are the design and optimization of innovative radars, by virtue of the antennas and associated electronics, imaging algorithms, methodological diversity, calibration procedures, and the development of tools for the interpretation of data in mono-static or multi-static configurations within frequency or transient domains. This book provides illustrations in civil engineering for the diagnosis of transport infrastructures and buildings, archeological surveys for the appreciation of cultural heritage, detection of underground pipes and cavities, estimation of soil water content for agriculture, and mapping of root trees developing underground, and in planetology, the analysis of the internal structure of planets and other celestial bodies through electromagnetic waves.
Chapitre 1 - Imagerie électromagnétique des données GPR : théorie et expériences
Ce chapitre analyse en profondeur les approches tomographiques pour l'imagerie électromagnétique GPR, en se concentrant sur les méthodes qualitatives et linéarisées. Il présente des algorithmes testés sur des données expérimentales, basés sur une formulation de Green scalaire. Les méthodes d'imagerie discutées incluent LSM, OSM et B-IS, ainsi que des approches linéarisées. Des expériences sur des données de laboratoire démontrent l'efficacité de ces techniques pour identifier précisément des cibles 3D. Mots-clés : tomographie, imagerie qualitative, méthodes linéarisées, expérimentation. DOI : 10.51926/ISTE.9157.ch1
Radar à pénétration de sol
Cet ouvrage propose une vue d’ensemble des avancées modernes en radar à pénétration de sol (GPR), technologie de nature pluridisciplinaire rassemblant une communauté aussi vaste que diverse. Il traite de la conception et l’optimisation de radars innovants grâce aux antennes et à l’électronique associée, aux algorithmes d’imagerie, à la diversité méthodologique, aux procédures de calibration et au développement d’outils pour l’interprétation des données dans des configurations mono ou multistatiques dans les domaines fréquentiel ou transitoire. Radar à pénétration de sol présente des illustrations en génie civil pour le diagnostic des infrastructures de transport et des bâtiments, des relevés archéologiques pour la valorisation du patrimoine culturel, la détection de tuyaux et de cavités souterrains, l’estimation de la teneur en eau du sol pour l’agriculture, et la cartographie des racines souterraines des arbres. En planétologie, l’analyse de la structure interne des planètes et d’autres corps célestes à l’aide d’ondes électromagnétiques est également menée.
2020 14th European Conference on Antennas and Propagation (EuCAP)
The conference provides an overview of the state of the art developments and innovations in Antennas, Propagation, and Measurements, highlighting the latest requirements for future applications
Moth Art
Raccolta di fotografie di Marta Bevacqua, scattate nell'anno 2014
Design of CMOS Analog Integrated Fractional-Order Circuits
This book describes the design and realization of analog fractional-order circuits, which are suitable for on-chip implementation, capable of low-voltage operation and electronic adjustment of their characteristics. The authors provide a brief introduction to fractional-order calculus, followed by design issues for fractional-order circuits of various orders and types. The benefits of this approach are demonstrated with current-mode and voltage-mode filter designs. Electronically tunable emulators of fractional-order capacitors and inductors are presented, where the behavior of the corresponding chips fabricated using the AMS 0.35um CMOS process has been experimentally verified. Applications of fractional-order circuits are demonstrated, including a pre-processing stage suitable for the implementation of the Pan-Tompkins algorithm for detecting the QRS complexes of an electrocardiogram (ECG), a fully tunable implementation of the Cole-Cole model used for the modeling of biological tissues, and a simple, non-impedance based measuring technique for super-capacitors.
Microwave Imaging
An introduction to the most relevant theoretical and algorithmic aspects of modern microwave imaging approaches Microwave imaging—a technique used in sensing a given scene by means of interrogating microwaves—has recently proven its usefulness in providing excellent diagnostic capabilities in several areas, including civil and industrial engineering, nondestructive testing and evaluation, geophysical prospecting, and biomedical engineering. Microwave Imaging offers comprehensive descriptions of the most important techniques so far proposed for short-range microwave imaging—including reconstruction procedures and imaging systems and apparatus—enabling the reader to use microwaves for ...
Microwave Imaging Methods and Applications
Microwave Imaging Methods and Applications provides practitioners and researchers with a complete overview of the latest and most important noninvasive and nondestructive techniques for inspecting structures and bodies by using microwaves. Placing emphasis on applications, the book considers many areas, from medical imaging and security… to industrial engineering and subsurface prospection. For each application, readers are presented with the objectives of the inspection and related challenges. Moreover, this groundbreaking resource details computational methods that can be used to solve inverse problems related to specific applications. Including clear examples or the most significant practical results, this forward-looking reference focuses on systems that have been recently developed. Professionals gain the knowledge needed to compare imaging methods used in different applications and develop new uses of imaging apparatuses and systems.
Integral Transforms and their Applications
In preparing this second edition I have restricted myself to making small corrections and changes to the first edition. Two chapters have had extensive changes made. First, the material of Sections 14.1 and 14.2 has been rewritten to make explicit reference to the book of Bleistein and Handelsman, which appeared after the original Chapter 14 had been written. Second, Chapter 21, on numerical methods, has been rewritten to take account of comparative work which was done by the author and Brian Martin, and published as a review paper. The material for all of these chapters was in fact, prepared for a transla tion of the book. Considerable thought has been given to a much more com prehensive re...
