antenna arraying techniques in the deep space network jpl deep space communications and navigation series

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Antenna Arraying Techniques In The Deep Space Network

Author : David H. Rogstad
ISBN : 0471721301
Genre : Technology & Engineering
File Size : 30. 5 MB
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An introduction to antenna Arraying in the Deep Space network Antenna arraying is the combining of the output from severalantennas in order to improve the signal-to-noise ratio (SNR) of thereceived signal. Now implemented at the Goldstone Complex and otherDeep Space Network (DSN) overseas facilities, antenna arrayingprovides flexible use of multiple antennas to increase data ratesand has enabled NASA's DSN to extend the missions of somespacecraft beyond their planned lifetimes. Antenna Arraying Techniques in the Deep Space Network introducesthe development and use of antenna arraying as it is implemented inthe DSN. Drawing on the work of scientists at JPL, this timelyvolume summarizes the development of antenna arraying and itshistorical background; describes key concepts and techniques;analyzes and compares several methods of arraying; discussesseveral correlation techniques used for obtaining the combinedweights; presents the results of several arraying experiments; andsuggests directions for future work. An important contribution to the scientific literature, AntennaArraying Techniques in the Deep Space Network * Was commissioned by the JPL Deep Space Communications andNavigation Systems (DESCANSO) Center of Excellence * Highlights many NASA-funded technical contributions pertaining todeep space communications systems * Is a part of the prestigious JPL Deep Space Communications andNavigation Series The Deep Space Communications and Navigation Series is authored byscientists and engineers with extensive experience in astronautics,communications, and related fields. It lays the foundation forinnovation in the areas of deep space navigation and communicationsby disseminating state-of-the-art knowledge in key technologies.

Deep Space Communications

Author : Jim Taylor
ISBN : 9781119169055
Genre : Technology & Engineering
File Size : 59. 93 MB
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A collection of some of the Jet Propulsion Laboratory's space missions selected to represent the planetary communications designs for a progression of various types of missions The text uses a case study approach to show the communications link performance resulting from the planetary communications design developed by the Jet Propulsion Laboratory (JPL). This is accomplished through the description of the design and performance of six representative planetary missions. These six cases illustrate progression through time of the communications system's capabilities and performance from 1970s technology to the most recent missions. The six missions discussed in this book span the Voyager for fly-bys in the 1970s, Galileo for orbiters in the 1980s, Deep Space 1 for the 1990s, Mars Reconnaissance Orbiter (MRO) for planetary orbiters, Mars Exploration Rover (MER) for planetary rovers in the 2000s, and the MSL rover in the 2010s. Deep Space Communications: Provides an overview of the Deep Space Network and its capabilities Examines case studies to illustrate the progression of system design and performance from mission to mission and provides a broad overview of the missions systems described Discusses actual flight mission telecom performance of each system Deep Space Communications serves as a reference for scientists and engineers interested in communications systems for deep-space telecommunications link analysis and design control.

Spaceborne Antennas For Planetary Exploration

Author : William A. Imbriale
ISBN : 9780470052778
Genre : Technology & Engineering
File Size : 49. 9 MB
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JPL spacecraft antennas-from the first Explorer satellite in 1958 to current R & D Spaceborne Antennas for Planetary Exploration covers the development of Jet Propulsion Laboratory (JPL) spacecraft antennas, beginning with the first Explorer satellite in 1958 through current research and development activities aimed at future missions. Readers follow the evolution of all the new designs and technological innovations that were developed to meet the growing demands of deep space exploration. The book focuses on the radio frequency design and performance of antennas, but covers environmental and mechanical considerations as well. There is additionally a thorough treatment of all the analytical and measurement techniques used in design and performance assessment. Each chapter is written by one or more leading experts in the field of antenna technology. The presentation of the history and technology of spaceborne antennas is aided by several features: * Photographs and drawings of JPL spacecraft * Illustrations to help readers visualize concepts and designs * Tables highlighting and comparing the performance of the antennas * Bibliographies at the end of each chapter leading to a variety of primary and secondary source material This book complements Large Antennas of the Deep Space Network (Wiley 2002), which surveys the ground antennas covered in support of spacecraft. Together, these two books completely cover all JPL antenna technology, in keeping with the JPL Deep Space Communications and Navigation Series mission to capture and present the many innovations in deep space telecommunications over the past decades. This book is a fascinating and informative read for all individuals working in or interested in deep space telecommunications.

Deep Space Optical Communications

Author : Hamid Hemmati
ISBN : 9780470042403
Genre : Technology & Engineering
File Size : 50. 81 MB
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A quarter century of research into deep space and near Earth optical communications This book captures a quarter century of research and development in deep space optical communications from the Jet Propulsion Laboratory (JPL). Additionally, it presents findings from other optical communications research groups from around the world for a full perspective. Readers are brought up to date with the latest developments in optical communications technology, as well as the state of the art in component and subsystem technologies, fundamental limitations, and approaches to develop and fully exploit new technologies. The book explores the unique requirements and technologies for deep space optical communications, including: * Technology overview; link and system design drivers * Atmospheric transmission, propagation, and reception issues * Flight and ground terminal architecture and subsystems * Future prospects and applications, including navigational tracking and light science This is the first book to specifically address deep space optical communications. With an increasing demand for data from planetary spacecraft and other sources, it is essential reading for all optical communications, telecommunications, and system engineers, as well as technical managers in the aerospace industry. It is also recommended for graduate students interested in deep space communications.

Low Noise Systems In The Deep Space Network

Author : Macgregor S. Reid
ISBN : STANFORD:36105131605219
Genre : Nature
File Size : 60. 43 MB
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The book explores the low-noise microwave systems that form the front end of all DSN ground receiving stations. It explains why the front end of each antenna is key to establishing the sensivity, polarization, frequency diversity, and capabilities of the receiving chain and, therefore, the entire ground station.

Radiometric Tracking Techniques For Deep Space Navigation

Author : Catherine L. Thornton
ISBN : 9780471726166
Genre : Technology & Engineering
File Size : 40. 98 MB
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Radiometric Tracking Techniques for Deep-Space Navigation focuses on a broad array of technologies and concepts developed over the last four decades to support radio navigation on interplanetary spacecraft. In addition to an overview of Earth-based radio navigation techniques, the book includes a simplified conceptual presentation of each radiometric measurement type, its information content, and the expected measeurement accuracy. The methods described for both aquiring and calibrating radiometric measurements also provide a robust system to support guidance and navigation for future robotic space exploration.

Autonomous Software Defined Radio Receivers For Deep Space Applications

Author : Jon Hamkins
ISBN : UOM:39015066804975
Genre : Technology & Engineering
File Size : 54. 42 MB
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This book introduces the reader to the concept of an autonomous software-defined radio (SDR) receiver, which automatically recognizes attributes of an incoming signal and reconfigures itself to receive it. Among the topics covered are automatic identification of the carrier frequency, modulation index, data rate, modulation type, and pulse shape.

Radio Occultations Using Earth Satellites

Author : William G. Melbourne
ISBN : UOM:39015059221526
Genre : Science
File Size : 31. 48 MB
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the wave theory foundations of today's radio occultation techniques Forty years ago, the premier radio occultation problem was how to profile the atmosphere and radius of Mars using signals sent by the Mariner 4 spacecraft. Researchers then could rely on ray theory-based techniques for accurate analysis of the thin, uniform Martian atmosphere. Today's radio occultation challenges mostly involve communications platforms-and related data, instrument systems, and applications-in the Earth's own atmosphere. To deal with the density and complexity of this multilayered medium, an analytical framework that goes beyond ray theory is needed. Setting the cutting edge for the field, Radio Occultations Using Earth Satellites: A Wave Theory Treatment develops a purely wave-theoretic approach to occultation analysis. This approach yields more nuanced results than either ray or hybrid (ray/wave) methodologies offer, and proves suitable for the many variables at work in today's problems. This groundbreaking text provides: * An introduction to the general theory of radio occultations * Development of ray theory and scalar diffraction treatments of radio propagation processes * Development of a wave theoretic treatment of the above wave propagation processes * The correspondence between wave and ray theories * A discussion of how to use a wave-theoretic approach to infer the refractive properties of the propagation medium from a time series set of observations of the propagated wave's phase and amplitude A comprehensive resource that clearly defines the latest topics and methodologies, Radio Occultations Using Earth Satellites is a must-have text for engineers, scientists, students, and managers in satellites communications, navigation, deep space and planetary exploration, aerospace, atmospheric science, physics, and engineering. The Deep Space Communications and Navigation Series is authored by scientists and engineers with extensive experience in astronautics, communications, and related fields. It lays the foundation for innovation in the areas of deep space navigation and communications by disseminating state-of-the-art knowledge in key technologies.

Alle Sollen Eins Sein

Author : Chiara Lubich
ISBN : 3879962839
Genre :
File Size : 31. 3 MB
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Coupled Oscillator Based Active Array Antennas

Author : Ronald J. Pogorzelski
ISBN : 9781118309971
Genre : Technology & Engineering
File Size : 59. 44 MB
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Describing an innovative approach to phased-array control in antenna design This book explores in detail phased-array antennas that use coupled-oscillator arrays, an arrangement featuring a remarkably simple beam steering control system and a major reduction in complexity compared with traditional methods of phased-array control. It brings together in one convenient, self-contained volume the many salient research results obtained over the past ten to fifteen years in laboratories around the world, including the California Institute of Technology's Jet Propulsion Laboratory. The authors examine the underlying theoretical framework of coupled-oscillator systems, clearly explaining the linear and nonlinear formalisms used in the development of coupled-oscillator arrays, while introducing a variety of state-of-the-art methodologies, design solutions, and tools for applying this control scheme. Readers will find: Numerous implementation examples of coupled-oscillator array prototypes A continuum model that permits application of diffusion theory to the analysis of phase dynamics A demonstration of the array behavior through experimental results that validate the linearized theory Examples of how incorporating coupling delay restores causality, including the latest published results Guidance on how to accurately analyze and optimize coupled-oscillator arrays using modern simulation tools A review of current developments, including the design of compact couple-oscillator array antennas Complete with 150 diagrams and photographs, Coupled-Oscillator Based Active-Array Antennas is a highly useful tutorial for antenna designers and a valuable reference for researchers and engineers wishing to learn about this cutting-edge technology.

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