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Proceedings Of The 27th Conference Of Spacecraft Tt C Technology In China

Author: Rongjun Shen
Publisher: Springer
ISBN: 3662446871
Size: 17.35 MB
Format: PDF, Kindle
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This book collects selected papers from the 27th Conference of Spacecraft TT&C Technology in China held in Guangzhou on November 9-12, 2014. The book features state-of-the-art studies on spacecraft TT&C in China with the theme of “Wider Space for TT&C”. To meet requirements of new space endeavors, especially China’s deep-space programs, China’s spacecraft TT&C systems shall “go farther, measure more accurately and control better with higher efficacy”. Researchers and engineers in the field of aerospace engineering and communication engineering can benefit from the book.

Proceedings Of The Mediterranean Conference On Information Communication Technologies 2015

Author: Ahmed El Oualkadi
Publisher: Springer
ISBN: 3319303015
Size: 27.20 MB
Format: PDF, Mobi
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This volume presents the first part of the proceedings of the Mediterranean Conference on Information & Communication Technologies (MedICT 2015), which was held at Saidia, Morocco during 7–9 May, 2015. MedICT provides an excellent international forum to the researchers and practitioners from both academia as well as industry to meet and share cutting-edge development. The conference has also a special focus on enabling technologies for societal challenges, and seeks to address multidisciplinary challenges in Information & Communication Technologies such as health, demographic change, wellbeing, security and sustainability issues. The proceedings publish high quality papers which are closely related to the various theories, as well as emerging and practical applications of particular interest to the ICT community. This first volume provides a compact yet broad view of recent developments in devices, technologies and processing, and covers recent research areas in the field including Microwave Devices and Printed Antennas, Advances in Optical and RF Devices and Applications, Signal Processing and Information Theory, Wireless and Optical Technologies and Techniques, Computer Vision, Optimization and Modeling in Wireless Communication Systems, Modeling, Identification and Biomedical Signal Processing, Photovoltaic Cell & Systems, RF Devices and Antennas for Wireless Applications, RFID, Ad Hoc and Networks Issues.

The Space Environment

Author: Alan C. Tribble
Publisher:
ISBN: 9780691102993
Size: 36.44 MB
Format: PDF, ePub, Docs
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The breakup of the Space Shuttle Columbia as it reentered Earth's atmosphere on February 1, 2003, reminded the public--and NASA--of the grave risks posed to spacecraft by everything from insulating foam to space debris. Here, Alan Tribble presents a singular, up-to-date account of a wide range of less conspicuous but no less consequential environmental effects that can damage or cause poor performance of orbiting spacecraft. Conveying a wealth of insight into the nature of the space environment and how spacecraft interact with it, he covers design modifications aimed at eliminating or reducing such environmental effects as solar absorptance increases caused by self-contamination, materials erosion by atomic oxygen, electrical discharges due to spacecraft charging, degradation of electrical circuits by radiation, and bombardment by micrometeorites. This book is unique in that it bridges the gap between studies of the space environment as performed by space physicists and spacecraft design engineering as practiced by aerospace engineers.

Proceedings Of Fifth International Conference On Soft Computing For Problem Solving

Author: Millie Pant
Publisher: Springer
ISBN: 981100448X
Size: 80.17 MB
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The proceedings of SocProS 2015 will serve as an academic bonanza for scientists and researchers working in the field of Soft Computing. This book contains theoretical as well as practical aspects using fuzzy logic, neural networks, evolutionary algorithms, swarm intelligence algorithms, etc., with many applications under the umbrella of ‘Soft Computing’. The book will be beneficial for young as well as experienced researchers dealing across complex and intricate real world problems for which finding a solution by traditional methods is a difficult task. The different application areas covered in the proceedings are: Image Processing, Cryptanalysis, Industrial Optimization, Supply Chain Management, Newly Proposed Nature Inspired Algorithms, Signal Processing, Problems related to Medical and Health Care, Networking Optimization Problems, etc.

Spacecraft Technology

Author: Mark Williamson
Publisher: IET
ISBN: 0863415539
Size: 70.81 MB
Format: PDF, ePub
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Spacecraft Technology: The Early Years covers the development of space technology in the late 1950s and 1960s, from the launch of Sputnik 1 in October 1957 to the landing of men on the moon in 1969. The text begins by looking at the challenge of getting into space and the development of the space launch vehicle, and moves on to discussion of unmanned satellites and spaceprobes, and the first capsules deployed in Earth orbit and the Apollo missions to the Moon.

Space Antenna Handbook

Author: William A. Imbriale
Publisher: John Wiley & Sons
ISBN: 1119993199
Size: 29.76 MB
Format: PDF, Mobi
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This book addresses a broad range of topics on antennas for space applications. First, it introduces the fundamental methodologies of space antenna design, modelling and analysis as well as the state-of-the-art and anticipated future technological developments. Each of the topics discussed are specialized and contextualized to the space sector. Furthermore, case studies are also provided to demonstrate the design and implementation of antennas in actual applications. Second, the authors present a detailed review of antenna designs for some popular applications such as satellite communications, space-borne synthetic aperture radar (SAR), Global Navigation Satellite Systems (GNSS) receivers, science instruments, radio astronomy, small satellites, and deep-space applications. Finally it presents the reader with a comprehensive path from space antenna development basics to specific individual applications. Key Features: Presents a detailed review of antenna designs for applications such as satellite communications, space-borne SAR, GNSS receivers, science instruments, small satellites, radio astronomy, deep-space applications Addresses the space antenna development from different angles, including electromagnetic, thermal and mechanical design strategies required for space qualification Includes numerous case studies to demonstrate how to design and implement antennas in practical scenarios Offers both an introduction for students in the field and an in-depth reference for antenna engineers who develop space antennas This book serves as an excellent reference for researchers, professionals and graduate students in the fields of antennas and propagation, electromagnetics, RF/microwave/millimetrewave systems, satellite communications, radars, satellite remote sensing, satellite navigation and spacecraft system engineering, It also aids engineers technical managers and professionals working on antenna and RF designs. Marketing and business people in satellites, wireless, and electronics area who want to acquire a basic understanding of the technology will also find this book of interest.

Circularly Polarized Antennas

Author: Steven (Shichang) Gao
Publisher: John Wiley & Sons
ISBN: 1118790510
Size: 53.39 MB
Format: PDF, ePub, Mobi
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This book presents a comprehensive insight into the design techniques for different types of CP antenna elements and arrays In this book, the authors address a broad range of topics on circularly polarized (CP) antennas. Firstly, it introduces to the reader basic principles, design techniques and characteristics of various types of CP antennas, such as CP patch antennas, CP helix antennas, quadrifilar helix antennas (QHA), printed quadrifilar helix antennas (PQHA), spiral antenna, CP slot antennas, CP dielectric resonator antennas, loop antennas, crossed dipoles, monopoles and CP horns. Advanced designs such as small-size CP antennas, broadband, wideband and ultra-wideband CP antennas are also discussed, as well as multi-band CP antennas and dual CP antennas. The design and analysis of different types of CP array antennas such as broadband CP patch arrays, dual-band CP arrays, CP printed slot arrays, single-band and multi-band CP reflectarrays, high-gain CP waveguide slot antennas, CP dielectric resonator antenna arrays, CP active arrays, millimetre-waveband CP arrays in LTCC, and CP arrays with electronically beam-switching or beam-steering capabilities are described in detail. Case studies are provided to illustrate the design and implementation of CP antennas in practical scenarios such as dual-band Global Navigation Satellite Systems (GNSS) receivers, satellite communication mobile terminals at the S-band, Radio Frequency Identification (RFID) readers at 2.4 GHz, and Ka-band high-speed satellite communication applications. It also includes the detailed designs for a wideband Logarithmic spiral antenna that can operate from 3.4-7.7 GHz. In addition, the book offers a detailed review of the recent developments of different types of CP antennas and arrays. Presents comprehensive discussions of design techniques for different types of CP antennas: small-size CP antennas, broadband CP antennas, multi-band CP antennas and CP arrays. Covers a wide range of antenna technologies such as microstrip antennas, helix, quadrifilar helix antenna, printed quadrifilar helix antenna, dielectric resonator antennas, printed slots, spiral antennas, monopoles, waveguide slot arrays, reflectarrays, active arrays, millimetre-wave arrays in LTCC, electronically beam-switching arrays and electronically beam-steerable arrays. Reviews recent developments in different types of CP antennas and arrays, reported by industries, researchers and academics worldwide. Includes numerous case studies to demonstrate how to design and implement different CP antennas in practical scenarios. Provides both an introduction for students in the field and an in-depth reference for antenna/RF engineers who work on the development of CP antennas. Circularly Polarized Antennas will be an invaluable guide for researchers in R&D organizations; system engineers (antenna, telecom, space and satellite); postgraduates studying the subjects of antenna and propagation, electromagnetics, RF/microwave/millimetre-wave systems, satellite communications and so on; technical managers and professionals in the areas of antennas and propagation.

Gust Front

Author: John Ringo
Publisher: Baen Publishing Enterprises
ISBN: 1618242822
Size: 26.98 MB
Format: PDF
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The aliens had arrived With gifts, warnings, and an offer we couldn't refuse.... Our choice was simple: we could be cannon fodder, or we could be ... fodder. We could send our forces to fight and die (as only humans can) against a ravening horde that was literally feeding on its interstellar conquests¾or remain as we were¾virtually weaponless and third in line for brunch. We chose to fight. Thanks to alien technology and sheer guts, the Terrans on two worlds fought the Posleen to a standstill. Thank God there was a moment to catch our breath, a moment, however brief, of peace¾. Now, for the survivors of the Barwhon and Diess Expeditionary Forces, it was a chance to get some distance from the blood and misery of battle against the Posleen centaurs. A blessed chance to forget the screams of the dying in purple swamps and massacres under searing alien suns. For Earth it was an opportunity to flesh out their force of raw recruits with combat-seasoned veterans. Political, military and scientific blundering had left the Terran forces in shambles-and with the Posleen Invasion only months away, these shell-shocked survivors might be the only people capable of saving the Earth from devastation. If the veterans had time to lick their wounds. Because the Posleen don't read schedules. At the publisher's request, this title is sold without DRM (Digital Rights Management).

When China Goes To The Moon

Author: Marco Aliberti
Publisher: Springer
ISBN: 3319194739
Size: 52.74 MB
Format: PDF, Mobi
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This book is about China’s ambitions in its most complex and internationally visible space endeavor, namely its human space exploration programme. It provides a comprehensive reflection on China ́s strategic direction and objectives in space, including in particular those set forth in its human spaceflight programme and analyses the key domestic and external factors affecting the country’s presumed manned lunar ambitions. The objective of the book is to disentangle the opportunities and challenges China ́s space ambitions are creating for other spacefaring nations and for Europe in particular. It therefore includes an in-depth analysis of possible European postures towards China in space exploration and seeks to stimulate a debate on future space strategies in the broader context of world politics.

Advances In Intelligent Autonomous Systems

Author: S.G. Tzafestas
Publisher: Springer Science & Business Media
ISBN: 9780792355809
Size: 28.95 MB
Format: PDF, Docs
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This collection of twenty-three timely contributions covers a well-selected repertory of topics within the autonomous systems field. The book discusses a range of design, construction, control, and operation problems along with a multiplicity of well-established and novel solutions.