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Micro Doppler Characteristics Of Radar Targets

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Micro Doppler Characteristics of Radar Targets

Micro Doppler Characteristics of Radar Targets Book
Author : Qun Zhang,Ying Luo,Yong-an Chen
Publisher : Elsevier
Release : 2016-10-31
ISBN : 012809883X
Language : En, Es, Fr & De

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Book Description :

Micro-Doppler Characteristics of Radar Targets is a monograph on radar target’s micro-Doppler effect theory and micro-Doppler feature extraction techniques. The micro-Doppler effect is presented from two aspects, including micro-Doppler effect analysis and micro-Doppler feature extraction, with micro-Doppler effects induced by different micro-motional targets in different radar systems analyzed and several methods of micro-Doppler feature extraction and three-dimensional micro-motion feature reconstruction presented. The main contents of this book include micro-Doppler effect in narrowband radar, micro-Doppler effect in wideband radar, micro-Doppler effect in bistatic radar, micro-Doppler feature analysis and extraction, and three-dimensional micro-motion feature reconstruction, etc. This book can be used as a reference for scientific and technical personnel engaged in radar signal processing and automatic target recognition, etc. It is especially suitable for beginners who are interested in research on micro-Doppler effect in radar. Presents new views on micro-Doppler effects, analyzing and discussing micro-Doppler effect in wideband radar rather than focusing on narrowband Provides several new methods for micro-Doppler feature extraction which are very helpful and practical for readers Includes practical cases that align with main MATLAB codes in each chapter, with detailed program annotations

The Micro Doppler Effect in Radar

The Micro Doppler Effect in Radar Book
Author : Victor Chen
Publisher : Artech House
Release : 2011
ISBN : 1608070581
Language : En, Es, Fr & De

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Book Description :

This highly practical resource provides you with thorough working knowledge of the micro-Doppler effect in radar, including its principles, applications and implementation with MATLAB codes. The book presents code for simulating radar backscattering from targets with various motions, generating micro-Doppler signatures, and analyzing the characteristics of targets. You find detailed descriptions of the physics and mathematics of the Doppler and micro-Doppler effect. Moreover, you learn how to derive rigid and non-rigid body motion induced micro-Doppler effect in radar scattering. The book provides a wide range of clear examples, including an oscillating pendulum, a spinning and precession heavy top, rotating rotor blades of a helicopter, rotating wind-turbine blades, a person walking with swinging arms and legs, a flying bird, and movements of quadruped animals.

The Micro Doppler Effect in Radar Second Edition

The Micro Doppler Effect in Radar  Second Edition Book
Author : Victor C. Chen
Publisher : Artech House
Release : 2019-02-28
ISBN : 1630815489
Language : En, Es, Fr & De

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Book Description :

Written by a prominent expert in the field, this updated and expanded second edition of an Artech House classic includes the most recent breakthroughs in vital sign and gender recognition via micro-radar, as well as covering basic principles of Doppler effect and micro-Doppler effect and describing basic applications of micro-Doppler signatures in radar. The book presents detailed procedures about how to generate and analyze micro-Doppler signatures from radar signals. Readers will learn how to model and animate an object (such as human, spinning top, rotating rotor blades) with movement, simulation of radar returns from the object, and generating micro-Doppler signature. The book includes coverage of the Google project “Soli”, which demonstrated the use of radar micro-Doppler effect to sense and recognize micro motions of human hand gesture for controlling devices. It also discusses noncontact detection of human vital sign (micro motions of breathing and heart beating) using radar, another important application of radar micro-Doppler sensors. Detailed MATLAB source codes for simulation of radar backscattering from targets with various motions are provided, along with source codes for generating micro-Doppler signatures and analyzing characteristics of targets.

High Range Resolution Micro doppler Radar Theory and Its Application to Human Gait Classification

High Range Resolution Micro doppler Radar Theory and Its Application to Human Gait Classification Book
Author : Zachary Andrew Cammenga
Publisher : Unknown
Release : 2017
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

This work advances the use of radar for target classification. High range resolution (HRR) and micro-Doppler signal analysis both provide radar operators the ability to classify observed targets. However, traditional micro-Doppler analysis does not account for a target moving in range and is therefore not compatible with high range resolution waveforms. We propose the use of a joint-range-time-frequency (JRTF) signature that combines the range information of a HRR radar and the frequency signature of a time-frequency transform. Complicated targets that consist of returns from multiple scatterers have been considered as the independent combination of the return from each target. This is a simplification of the problem and does not consider how the target interaction affect the micro-Doppler signature. These interactions were studied and were found to be the generating factor of unique characteristics within the micro-Doppler signature. The analytic expression for the JRTF signature is derived and analysis is provided for the motion of a simple pendulum. The implementation of the JRTF signature is presented and signal processing techniques for improved JRTF signature manipulation are provided. Finally, we apply the JRTF signature to the classification of human gait. Features extracted from the JRTF signature are compared to features extracted from the micro-Doppler signature, and results show increased classification performance using the JRTF features.

Bispectrum and Bicoherence Based Discriminative Features Used for Classification of Radar Targets and Atmospheric Formations

Bispectrum  and Bicoherence Based Discriminative Features Used for Classification of Radar Targets and Atmospheric Formations Book
Author : Alexander Totsky
Publisher : Unknown
Release : 2018
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

This chapter is dedicated to bispectrum-based signal processing in the surveillance radar applications. Detection, recognition, and classification of the targets by surveillance radars have various applications including security, military intelligence, battlefield purposes, boundary protection, as well as weather forecast. One of the particular and effective discriminative features commonly exploited in modern radar automatic target recognition (ATR) systems is the micro-Doppler (m-D) contributions extracted from joint time-frequency (TF) distribution. However, a common drawback of the energy-based strategy lies in the impossibility to retrieve additional particular information related to frequency-coupling and phase-coupling contributions containing in the radar backscattering. Phase coupling contains additional discriminative features related to individual target properties. Bispectrum-based strategy allows retrieving a phase-coupled data containing unique discriminative features related to individual target properties. Bispectrum tends to zero for a stationary zero-mean additive white Gaussian noise (AWGN), providing smoothing of AWGN in TF distributions. Hence, bispectrum-based approach allows improving extraction of robust discriminative features for ATR radar systems.

Artificial Intelligence in China

Artificial Intelligence in China Book
Author : Qilian Liang,Wei Wang,Jiasong Mu,Xin Liu,Zhenyu Na,Bingcai Chen
Publisher : Springer Nature
Release : 2020-01-31
ISBN : 9811501874
Language : En, Es, Fr & De

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Book Description :

This book brings together papers presented at the International Conference on Artificial Intelligence in China (ChinaAI) 2019, which provided a venue for disseminating the latest advances and discussing the interactions and links between the various subfields of AI. Addressing topics that cover virtually all aspects of AI and the latest developments in China, the book is chiefly intended for undergraduate and graduate students in Electrical Engineering, Computer Science, and Mathematics, for researchers and engineers from academia and industry, and for government employees (e.g. at the NSF, DOD, and DOE).

Advanced Technology Related to Radar Signal Imaging and Radar Cross Section Measurement

Advanced Technology Related to Radar Signal  Imaging  and Radar Cross Section Measurement Book
Author : Hirokazu Kobayashi,Toshifumi Moriyama
Publisher : MDPI
Release : 2020-06-16
ISBN : 3039361422
Language : En, Es, Fr & De

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Book Description :

Radar-related technology is mainly processed within the time and frequency domains but, at the same time, is a multi-dimensional integrated system including a spatial domain for transmitting and receiving electromagnetic waves. As a result of the enormous technological advancements of the pioneers actively discussed in this book, research and development in multi-dimensional undeveloped areas is expected to continue. This book contains state-of-the-art work that should guide your research.

Pulsed Radar Target Recognition Based on Micro doppler Signatures Using Wavelet Analysis

Pulsed Radar Target Recognition Based on Micro doppler Signatures Using Wavelet Analysis Book
Author : Vinit Kizhakkel
Publisher : Unknown
Release : 2013
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Abstract: Radar based automatic target recognition systems are commonly used in perimeter protection and surveillance applications. These systems determine the nature of a target moving in the radar's field of view using its echo signal. Such an echo signal contains the target's micro-Doppler ([mu]-D) signature as well as its macro-motion related parameters. This thesis presents and compares three different approaches to develop such a system to distinguish between humans, dogs and background clutter using a low power pulsed radar. Each of these approaches rely on one among three different joint time-frequency transforms such as the short-time Fourier transform, the wavelet packet transform and the Haar transform to extract key [mu]-D signature related features from the time-frequency plane representation of the echo signal. These [mu]-D signature based features are combined with relative range profile based ones that characterize the detected target's motion at a gross level. These features, extracted from a variety of field data, are used to train and test different classifiers that finally declare the type of the target. The comparative performances of these three methods have been discussed. The Haar transform based approach, in particular, seems to show promise for implementation on computationally constrained platforms like motes used in wireless sensor network applications.

Time frequency Transforms for Radar Imaging and Signal Analysis

Time frequency Transforms for Radar Imaging and Signal Analysis Book
Author : Victor C. Chen,Hao Ling
Publisher : Artech House
Release : 2002
ISBN : 9781580535496
Language : En, Es, Fr & De

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Book Description :

This resource introduces a new image formation algorithm based on time-frequency-transforms, showing its advantage over the more conventional Fourier-based image formation. Referenced with over 170 equations and 80 illustrations, the book presents new algorithms that help improve the result of radar imaging and signal processing.

The Application of Micro Doppler Features in Target Classification

The Application of Micro Doppler Features in Target Classification Book
Author : Ozge Topuz Alemdaroglu
Publisher : LAP Lambert Academic Publishing
Release : 2015-06-12
ISBN : 9783659719189
Language : En, Es, Fr & De

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Book Description :

This study aims to experimentally investigate the feasibility of discriminating human motions with the help of micro Doppler features by using radar. In the first phase, different time-frequency transformations are applied on the simulated walking data and the results of the simulator are compared with field experiments. In the following phase, several field experiments which are in the scope of the simulator are conducted and the experimental data for running, crawling, creeping and walking with the aspect angles of 0, 30, 60 are collected by using a ground surveillance radar. Signal processing steps and micro Doppler processing steps are applied to the collected data and spectrograms are obtained. Six features, which are torso frequency, bandwidth of the signal, offset of the signal, bandwidth without micro Dopplers, the standard deviation of the signal strength, the period of the arms or legs motions are extracted from the spectrograms and the efficiency of the features in motion classification is compared. Lastly, a simple neural network based classifier is constructed. The classification performances of different human motions by neural network classification are examined."

Contactless Vital Signs Monitoring

Contactless Vital Signs Monitoring Book
Author : Wenjin Wang,Xuyu Wang
Publisher : Academic Press
Release : 2021-09-20
ISBN : 0128222824
Language : En, Es, Fr & De

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Book Description :

Vital signs, such as heart rate and respiration rate, are useful to health monitoring because they can provide important physiological insights for medical diagnosis and well-being management. Most traditional methods for measuring vital signs require a person to wear biomedical devices, such as a capnometer, a pulse oximeter, or an electrocardiogram sensor. These contact-based technologies are inconvenient, cumbersome, and uncomfortable to use. There is a compelling need for technologies that enable contact-free, easily deployable, and long-term monitoring of vital signs for healthcare. Contactless Vital Signs Monitoring presents a systematic and in-depth review on the principles, methodologies, and opportunities of using different wavelengths of an electromagnetic spectrum to measure vital signs from the human face and body contactlessly. The volume brings together pioneering researchers active in the field to report the latest progress made, in an intensive and structured way. It also presents various healthcare applications using camera and radio frequency-based monitoring, from clinical care to home care, to sport training and automotive, such as patient/neonatal monitoring in intensive care units, general wards, emergency department triage, MR/CT cardiac and respiratory gating, sleep centers, baby/elderly care, fitness cardio training, driver monitoring in automotive settings, and more. This book will be an important educational source for biomedical researchers, AI healthcare researchers, computer vision researchers, wireless-sensing researchers, doctors/clinicians, physicians/psychologists, and medical equipment manufacturers. Includes various contactless vital signs monitoring techniques, such as optical-based, radar-based, WiFi-based, RFID-based, and acoustic-based methods. Presents a thorough introduction to the measurement principles, methodologies, healthcare applications, hardware set-ups, and systems for contactless measurement of vital signs using camera or RF sensors. Presents the opportunities for the fusion of camera and RF sensors for contactless vital signs monitoring and healthcare.

Issues in Applied Physics 2011 Edition

Issues in Applied Physics  2011 Edition Book
Author : Anonim
Publisher : ScholarlyEditions
Release : 2012-01-09
ISBN : 1464963363
Language : En, Es, Fr & De

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Book Description :

Issues in Applied Physics / 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Applied Physics. The editors have built Issues in Applied Physics: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Applied Physics in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Applied Physics: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

Separation of Target Rigid Bodt and Micro Doppler Effects in ISAR SAR Imaging

Separation of Target Rigid Bodt and Micro Doppler Effects in ISAR SAR Imaging Book
Author : Thayananthan Thayaparan,Defence R&D Canada - Ottawa
Publisher : Unknown
Release : 2006
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Separation of Target Rigid Bodt and Micro Doppler Effects in ISAR SAR Imaging book written by Thayananthan Thayaparan,Defence R&D Canada - Ottawa, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Software Engineering Research Management and Applications

Software Engineering Research  Management and Applications Book
Author : Roger Lee
Publisher : Springer
Release : 2016-06-06
ISBN : 3319339036
Language : En, Es, Fr & De

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Book Description :

This edited book presents scientific results of the 14th International Conference on Software Engineering, Artificial Intelligence Research, Management and Applications (SERA 2016) held on June 8-10, 2016 at Towson University, USA. The aim of this conference was to bring together researchers and scientists, businessmen and entrepreneurs, teachers, engineers, computer users, and students to discuss the numerous fields of computer science and to share their experiences and exchange new ideas and information in a meaningful way. Research results about all aspects (theory, applications and tools) of computer and information science, and to discuss the practical challenges encountered along the way and the solutions adopted to solve them. The conference organizers selected the best papers from those papers accepted for presentation at the conference. The papers were chosen based on review scores submitted by members of the program committee, and underwent further rigorous rounds of review. This publication captures 13 of the conference’s most promising papers, and we impatiently await the important contributions that we know these authors will bring to the field of computer and information science.

Advanced Metric Wave Radar

Advanced Metric Wave Radar Book
Author : Jianqi Wu
Publisher : Springer
Release : 2019-07-12
ISBN : 9811076472
Language : En, Es, Fr & De

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Book Description :

This book systematically describes advanced metric wave radar and its practical applications, offering a comprehensive introduction to the engineering design methods from the perspectives of system design, antenna/feed and transmit/receive subsystems, as well as mechanical structure design. Focusing on the height-finding method, it describes in detail how the super-resolution technique can be used to solve the problem of low-angle height finding in metric wave radar. It also discusses the anti-jamming method for the unique jamming environment. Further, it presents narrowband target recognition methods to overcome the limitations of narrow absolute bandwidth in metric wave radar and to further explore the technique’s potential. Cooperative detection for metric wave radar netting is also addressed, and the main experimental results are included. The book offers a valuable resource for professional engineers, researchers and teachers, as well as graduate students engaged in radar system engineering, electronic engineering, and signal processing.

Proceedings of the 6th China High Resolution Earth Observation Conference CHREOC 2019

Proceedings of the 6th China High Resolution Earth Observation Conference  CHREOC 2019  Book
Author : Liheng Wang,Yirong Wu,Jianya Gong
Publisher : Springer Nature
Release : 2020-06-25
ISBN : 9811539472
Language : En, Es, Fr & De

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Book Description :

This book gathers the proceedings of the 6th China High Resolution Earth Observation Conference (CHREOC). Since its inception, the conference series has become an influential academic event in the earth detection area and attracted more and more top experts and industry practitioners in related fields. CHREOC chiefly focuses on popular topics including military-civilian integration, the One Belt and One Road initiative, and the transformation of scientific research achievements, while also discussing new ideas, new technologies, new methods, and new developments. The CHREOC conferences have effectively promoted high-level institutional mechanisms, technological innovation, and industrial upgrading in the high-resolution earth observation area, and sparked new interest in the major national-sponsored project CHREOS. The majority of the contributing authors are researchers and experts participating in the CHREOS project. The papers highlight new findings, technical innovations, and research directions in the field of high-resolution earth observation. All articles have undergone several rounds of expert review and reflect cutting-edge advances. Accordingly, the proceedings offer an informative and valuable resource for both academic research and engineering practice.

Radar for Indoor Monitoring

Radar for Indoor Monitoring Book
Author : Moeness Amin
Publisher : CRC Press
Release : 2017-09-14
ISBN : 1498782000
Language : En, Es, Fr & De

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Book Description :

This book aims to capture recent advances and breakthroughs in in-home radar monitoring of human motions and activities. It addresses three key attributes of radar for in-door human monitoring, namely: motion classification including fall, detection of vital signs, and categorization of human gait for risk assessment and progression of physical impairments and disabilities. It explores recent developments in radar technology for human monitoring inside homes and residences. The reader will learn enhanced detection and classification techniques of radar signals associated with human micro- and macro-motions. Furthermore, the book includes examples using real data collected from healthy individuals, patients, and retirement communities based on the subject Doppler and range information, and using different single and multi-antenna radar system configurations. Results are also presented using modeled data based on biomechanics and kinematics. Indoor monitoring is further demonstrated using alternative technologies of infrared sensors and RF signals of opportunities.

Topics in Radar Signal Processing

Topics in Radar Signal Processing Book
Author : Graham Weinberg
Publisher : BoD – Books on Demand
Release : 2018-05-16
ISBN : 1789231205
Language : En, Es, Fr & De

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Book Description :

Radar has been an important topic since its introduction, in a military context, during World War II. Due to advances in technology, it has been necessary to refine the algorithms employed within the signal processing architecture. Hence, this book provides a series of chapters examining some topics in modern radar signal processing. These include synthetic aperture radar, multiple-input multiple-output radar, as well as a series of chapters examining other key issues relevant to the central theme of the book.

Bispectral Methods of Signal Processing

Bispectral Methods of Signal Processing Book
Author : Alexander V. Totsky,Alexander A. Zelensky,Victor F. Kravchenko
Publisher : Walter de Gruyter GmbH & Co KG
Release : 2014-12-11
ISBN : 3110368889
Language : En, Es, Fr & De

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Book Description :

By studying applications in radar, telecommunications and digital image restoration, this monograph discusses signal processing techniques based on bispectral methods. Improved robustness against different forms of noise as well as preservation of phase information render this method a valuable alternative to common power-spectrum analysis used in radar object recognition, digital wireless communications, and jitter removal in images.

Communications Signal Processing and Systems

Communications  Signal Processing  and Systems Book
Author : Qilian Liang,Xin Liu,Zhenyu Na,Wei Wang,Jiasong Mu,Baoju Zhang
Publisher : Springer
Release : 2019-06-14
ISBN : 9811365083
Language : En, Es, Fr & De

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Book Description :

This book brings together papers from the 2018 International Conference on Communications, Signal Processing, and Systems, which was held in Dalian, China on July 14–16, 2018. Presenting the latest developments and discussing the interactions and links between these multidisciplinary fields, the book spans topics ranging from communications, signal processing and systems. It is aimed at undergraduate and graduate electrical engineering, computer science and mathematics students, researchers and engineers from academia and industry as well as government employees.