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Maximum Length Sequences for Radar and Synchronization

Maximum Length Sequences for Radar and Synchronization PDF Author: Sebastian Brückner
Publisher:
ISBN: 9783736991927
Category :
Languages : en
Pages : 158

Book Description


Maximum Length Sequences for Radar and Synchronization

Maximum Length Sequences for Radar and Synchronization PDF Author: Sebastian Brückner
Publisher:
ISBN: 9783736991927
Category :
Languages : en
Pages : 158

Book Description


Maximum Length Sequences for Radar and Synchronization

Maximum Length Sequences for Radar and Synchronization PDF Author: Sebastian Brückner
Publisher: Cuvillier Verlag
ISBN: 3736981929
Category : Technology & Engineering
Languages : en
Pages : 158

Book Description
This dissertation demonstrates the implementation of ultra-wideband (UWB) radar sensors using commercial off-the-shelf electronics. The sensors are based on the correlation of binary pseudo noise sequences (M-sequences), combining low transmit power requirements with excellent noise and interference suppression. A ranging system is introduced that is able to track moving objects with a standard deviation of 1.73mm at 2m range. Subsequently, a system is developed which can synchronize itself to a reference sequence with 1.96ps RMS jitter. This synchronization system uses an analog correlating control loop (delay lock loop) to achieve tracking of the reference to 0.38% of one chip. The final application shown is a ground penetrating radar (GPR). The system is comprised of three elements: an FPGA, an output driver for the transmitter and a commercial analog-to-digital converter. Comparative measurements on buried pipes and cables prove that this system has achieved detection capability comparable to commercially available pulsed GPRs.

Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1064

Book Description


STAR

STAR PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1230

Book Description


Spread Spectrum and CDMA

Spread Spectrum and CDMA PDF Author: Valeri P. Ipatov
Publisher: John Wiley & Sons
ISBN: 0470091797
Category : Science
Languages : en
Pages : 396

Book Description
Spread spectrum and CDMA are cutting-edge technologies widely used in operational radar, navigation and telecommunication systems and play a pivotal role in the development of the forthcoming generations of systems and networks. This comprehensive resource presents the spread spectrum concept as a product of the advancements in wireless IT, shows how and when the classical problems of signal transmission/processing stimulate the application of spread spectrum, and clarifies the advantages of spread spectrum philosophy. Detailed coverage is provided of the tools and instruments for designing spread spectrum and CDMA signals answering why a designer will prefer one solution over another. The approach adopted is wide-ranging, covering issues that apply to both data transmission and data collection systems such as telecommunications, radar, and navigation. Presents a theory-based analysis complemented by practical examples and real world case studies resulting in a self-sufficient treatment of the subject Contains detailed discussions of new trends in spread spectrum technology such as multi-user reception, multicarrier modulation, OFDM, MIMO and space-time coding Provides advice on designing discrete spread spectrum signals and signal sets for time-frequency measuring, synchronization and multi-user communications Features numerous Matlab-based problems and other exercises to encourage the reader to initiate independent investigations and simulations This valuable text provides timely guidance on the current status and future potential of spread spectrum and CDMA and is an invaluable resource for senior undergraduates and postgraduate students, lecturers and practising engineers and researchers involved in the deployment and development of spread spectrum and CDMA technology. Supported by a Companion website on which instructors and lecturers can find a solutions manual for the problems and Matlab programming, electronic versions of some of the figures and other useful resources such as a list of abbreviations.

Research in Progress Between ... and

Research in Progress Between ... and PDF Author: United States. Army Research Office
Publisher:
ISBN:
Category : Military research
Languages : en
Pages : 458

Book Description


Research in Progress

Research in Progress PDF Author:
Publisher:
ISBN:
Category : Military research
Languages : en
Pages : 160

Book Description


Radar and Sonar Imaging and Processing

Radar and Sonar Imaging and Processing PDF Author: Andrzej Stateczny
Publisher: MDPI
ISBN: 3039439715
Category : Science
Languages : en
Pages : 468

Book Description
The Special Issue “Radar and Sonar Imaging Processing” is a collection of 21 articles exploring many topics related to remote sensing with radar and sonar sensors. In this editorial, we present short introductions of the published articles. The series of articles in this SI deal with a broad profile of aspects of the use of radar and sonar images in line with the latest scientific trends while making use of the latest developments in science, including artificial intelligence. It can be said that both radar and sonar imaging and processing still remain a “hot topic” and much research in this area is being conducted worldwide. New techniques and methods for extracting information from radar and sonar sensors and data have been proposed and verified. Some of these will stimulate further research while others have reached maturity and can be considered for industrial implementation and development.

Middle Atmosphere Program

Middle Atmosphere Program PDF Author:
Publisher:
ISBN:
Category : Air
Languages : en
Pages : 600

Book Description


Fiber Optic Lans, Part 1 1984-1988

Fiber Optic Lans, Part 1 1984-1988 PDF Author:
Publisher: Information Gatekeepers Inc
ISBN: 9781568510569
Category : Fiber optics
Languages : en
Pages : 888

Book Description