Source Localization Using Airborne Sensor Arrays In The Presence Of Manifold Perturbations
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Source Localization Using Airborne Sensor Arrays In The Presence Of Manifold Perturbations
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Author : Hasan S. Mir
language : en
Publisher:
Release Date : 2005
Source Localization Using Airborne Sensor Arrays In The Presence Of Manifold Perturbations written by Hasan S. Mir and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Signal processing categories.
Ultrawideband Phased Array Antenna Technology For Sensing And Communications Systems
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Author : Alan J. Fenn
language : en
Publisher: MIT Press
Release Date : 2015-04-10
Ultrawideband Phased Array Antenna Technology For Sensing And Communications Systems written by Alan J. Fenn and has been published by MIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-04-10 with Technology & Engineering categories.
Practical ultrawideband phased array technology used in airborne and ground-based systems applications.
Electromagnetics And Antenna Technology
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Author : Alan J. Fenn
language : en
Publisher: Artech House
Release Date : 2017-12-31
Electromagnetics And Antenna Technology written by Alan J. Fenn and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-31 with Technology & Engineering categories.
Written by a leading expert in the field, this practical new resource presents the fundamentals of electromagnetics and antenna technology. This book covers the design, electromagnetic simulation, fabrication, and measurements for various types of antennas, including impedance matching techniques and beamforming for ultrawideband dipoles, monopoles, loops, vector sensors for direction finding, HF curtain arrays, 3D printed nonplanar patch antenna arrays, waveguides for portable radar, reflector antennas, and other antennas. It explores the essentials of phased array antennas and includes detailed derivations of important field equations, and a detailed formulation of the method of moments. This resource exhibits essential derivations of equations, providing readers with a strong foundation of the underpinnings of electromagnetics and antennas. It includes a complete chapter on the details of antenna and electromagnetic test and measurement. This book explores details on 3D printed non-planar circular patch array antenna technology and the design and analysis of a planar array-fed axisymmetric gregorian reflector. The lumped-element impedance matched antennas are examined and include a look at an analytic impedance matching solution with a parallel LC network. This book provides key insight into many aspects of antenna technology that have broad applications in radar and communications.
Source Localization In The Presence Of Sensor Manifold Uncertainties And Synchronization Error
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Author : Yue Wang
language : en
Publisher:
Release Date : 2011
Source Localization In The Presence Of Sensor Manifold Uncertainties And Synchronization Error written by Yue Wang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Electronic Dissertations categories.
Passive source localization is a commonly used technology which can be applied to many areas. A lot of positioning methods have been derived on this subject, such as time of arrivals (TOAs), time differences of arrival (TDOAs), angle of arrivals (AOAs). This thesis is mainly based on Chan and Ho's two stage closed form TDOAs source localization method. However, Chan and Ho's method assume the sensor positions are known and all of the sensors are perfectly synchronized. Three topics that affect the accuracy of the source localization are discussed in this thesis in the presence of sensor position manifold uncertainties, in the presence of clock-bias error and in the presence of both sensor position manifold uncertainties and clock-bias error. For all of the three topics, we develop an estimator for source localization. Then, we use simulation to analyse the performance of the proposed estimator. The simulation result shows that the proposed method reaches the CRLB performance for both the near-field and distant sources in the small error region. Furthermore, the proposed method has been proven that its performance reaches CRLB theoretically.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 2005
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Dissertations, Academic categories.
Source Localization Within A Uniform Circular Sensor Array
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Author : Danny Zhu
language : en
Publisher:
Release Date : 2007
Source Localization Within A Uniform Circular Sensor Array written by Danny Zhu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Antenna arrays categories.
"Traditional source localization problems have been considered with linear and planar antenna arrays. In this research work, we assume that the sources are located within a uniformly spaced circular sensor array. Using a modified Metropolis algorithm and Polak-Ribière conjugate gradients, a hybrid optimization algorithm is proposed to localize sources within a two dimensional uniform circular sensor array, which suffers from far field attenuation. The developed algorithm is capable of accurately locating the position of a single, stationary source within 1% of a wavelength and 1° of angular displacement. In the single stationary source case, the simulated Cramer-Rao Lower Bound has also shown low noise susceptibility for a reasonable signal to noise ratio. Additionally, the localization of multiple stationary sources within the array is presented and tracking capabilities for a slowly moving non-stationary source is also demonstrated. In each case, results are presented, analyzed and discussed. Furthermore, the proposed algorithm has also been validated through hardware experimentation. The design and construction of four microstrip patch antennas and a wire antenna have been completed to emulate a circular sensor array and the enclosed source, respectively. Within this array, data has been collected at the four sensors from several fixed source positions and fitted into the proposed algorithm for source localization. The convergence of the algorithm with both simulated data and data collected from hardware are compared and sources of error and potential improvements are proposed"--Abstract.
Smart Antennas With Matlab Second Edition
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Author : Frank Gross
language : en
Publisher: McGraw Hill Professional
Release Date : 2015-02-09
Smart Antennas With Matlab Second Edition written by Frank Gross and has been published by McGraw Hill Professional this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-02-09 with Technology & Engineering categories.
The most complete, current guide to smart antenna design and performance Featuring new coverage of reconfigurable antennas, vector antennas, and direction-finding antennas, this up-to-date resource offers a rigorous review of the basic electromagnetic principles that drive smart antenna design and deployment. Case studies and worked examples using MATLAB are provided. End-of-chapter assignments reinforce the concepts presented. Thoroughly revised to reflect recent developments and the latest technologies, this is a comprehensive reference for all professionals, students, and researchers in the field of smart antennas. Smart Antennas with MATLAB, Second Edition, covers: Fundamentals of electromagnetic fields Antenna fundamentals Array fundamentals Principles of random variables and processes Propagation channel characteristics Angle-of-arrival estimation Smart antennas Direction finding Electromagnetic vector sensors Smart antenna design and optimization
Electrical Electronics Abstracts
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Author :
language : en
Publisher:
Release Date : 1994
Electrical Electronics Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Electrical engineering categories.
Probabilistic Robotics
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Author : Sebastian Thrun
language : en
Publisher: MIT Press
Release Date : 2005-08-19
Probabilistic Robotics written by Sebastian Thrun and has been published by MIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-08-19 with Technology & Engineering categories.
An introduction to the techniques and algorithms of the newest field in robotics. Probabilistic robotics is a new and growing area in robotics, concerned with perception and control in the face of uncertainty. Building on the field of mathematical statistics, probabilistic robotics endows robots with a new level of robustness in real-world situations. This book introduces the reader to a wealth of techniques and algorithms in the field. All algorithms are based on a single overarching mathematical foundation. Each chapter provides example implementations in pseudo code, detailed mathematical derivations, discussions from a practitioner's perspective, and extensive lists of exercises and class projects. The book's Web site, www.probabilistic-robotics.org, has additional material. The book is relevant for anyone involved in robotic software development and scientific research. It will also be of interest to applied statisticians and engineers dealing with real-world sensor data.
Astronomy On The Personal Computer
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Author : Oliver Montenbruck
language : en
Publisher: Springer
Release Date : 2013-06-29
Astronomy On The Personal Computer written by Oliver Montenbruck and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.
This long-awaited new edition of Montenbruck and Pfleger's successful book now includes chapters on perturbation calculations and on the calculation of physical ephemerides of the major planets and the sun. The book provides the reader with numerous programs and instructions for time and date calculation and for treating the two-body problem. Each chapter is carefully structured according to topic and closes with the listing of a relevant program, thereby facilitating its use as a practical handbook. The necessary astronomical and numerical fundamentals are also included in the text. The accompanying diskette has equally been completely revised.