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naidu prabhakar s. - distributed sensor arrays

Distributed Sensor Arrays Localization




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Dettagli

Genere:Libro
Lingua: Inglese
Editore:

CRC Press

Pubblicazione: 10/2017
Edizione: 1° edizione





Note Editore

Localization of transmitters and receiving sensors is achieved by measuring radiation emitted by a source to a set of sensors, which are either on a definite pattern, known as an array, or onerandomly located at irregular points, known as a distributed sensor array. This book discusses how to determine the position of sensors and transmit information to a central node, also known as the anchor node. Time of arrival, time difference of arrival, frequency time of arrival, and strength of received signal are also covered. The reader will learn effective algorithms and implementation, as well as numerical examples, with the inclusion of lab experiments. It discusses time synchronization, including the rotating laser beam to measure distance, in detail.




Sommario

1. Distributed Sensor Array (DSA) Regular Sensor Array Wired Sensor Array Autonomous Sensor Networks Types of sensors References 2. Basic Inputs 2.1 Received Signal Strength 2.2 Lighthouse 2.3 Time-of Arrival (ToA) 2.4 Time Difference of Arrival (TDoA) 2.5 Frequency Difference of Arrival (FDoA) 2.6 Direction of Arrival (DoA) 2.7 Phase Change 2.9 Instantaneous Frequency 2.10 Summary References 3. Estimation of ToA/TDoA/FDoA 3.1 Generalized Cross Correlation 3.2 Time Delay as FIR filter 3.3 Eigenvector approach 3.4 Subspace Approach 3.5 Capon’s Minimum Variance 3.6 Adaptive Notch Filter 3.7 Instantaneous Frequency Spectrum 3.8 Phase-Based Methods 3.9 FDoA Estimation 3.10 Summary References 4. Localization 4.1 Received signal strength 4.2 ToA measurements 4.3 TDoA measurements 4.4 FDoA measurements 4.5 DoA measurements 4.6 Compressive sensing 4.7 Summary References 5. Hybrid Methods 5.1 Combined use of FDoA and TDoA 5.2 Direct Position Determination 5.3 DoA from Distributed Sensors 5.4 Expectation-Maximization (EM) Algorithm 5.5 Localization in Multipath Environment 5.6 Summary References 6. Self-Localization 6.1 Anchor Based Localization 6.2 Anchor Free Localization 6.3 Clock Synchronization 6.4 Summary References Index




Autore

Prabhakar S. Naidu obtained a Bachelor of Science degree and Master of Technology degree from the Indian Institute of Technology, Kharagapur, followed by a Ph.D. from UBC, Canada. He worked for nearly 30 years at the Indian Institute of Science in Bangalore as a Professor in the Department of Electrical and Communication Engineering. In 1965, he was awarded NRC (Canada) fellowship, followed by the Alexander von Humboldt Fellowship. He holds a Senior Research Associateship from NRC (USA) and is listed in Marquis’ 17th Edition of "Who's Who in the World." Dr. Naidu has also worked as a visiting Scientist at the Australian Telecommunication Research Center. His research interests include array signal processing, spectrum analysis of time series, and geophysical signal processing.










Altre Informazioni

ISBN:

9781138632134

Condizione: Nuovo
Dimensioni: 9.25 x 6.25 in Ø 1.20 lb
Formato: Copertina rigida
Illustration Notes:20 tables, 9 halftones, 7 color halftones, 86 line drawings and 14 color line drawings
Pagine Arabe: 218
Pagine Romane: xvi


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