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Phased Array Feed Design Technology For Large Aperture Microwave Radiometer Lamr Earth Observations
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Book Synopsis Phased Array Feed Design Technology for Large Aperture Microwave Radiometer (Lamr) Earth Observations by : National Aeronaut Administration (Nasa)
Download or read book Phased Array Feed Design Technology for Large Aperture Microwave Radiometer (Lamr) Earth Observations written by National Aeronaut Administration (Nasa) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-10 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: An assessment of the potential and limitations of phased array antennas in space-based geophysical precision radiometry is described. Mathematical models exhibiting the dependence of system and scene temperatures and system sensitivity on phased array antenna parameters and components such as phase shifters and low noise amplifiers (LNA) are developed. Emphasis is given to minimum noise temperature designs wherein the LNA's are located at the array level, one per element or subarray. Two types of combiners are considered: array lenses (space feeds) and corporate networks. The result of a survey of suitable components and devices is described. The data obtained from that survey are used in conjunction with the mathematical models to yield an assessment of effective array antenna noise temperature for representative geostationary and low Earth orbit systems. Practical methods of calibrating a space-based, phased array radiometer are briefly addressed as well. Schuman, H. K. Unspecified Center...
Book Synopsis Phased Array Feed Design Technology for Large Aperture Microwave Radiometer (LAMR) Earth Observations by :
Download or read book Phased Array Feed Design Technology for Large Aperture Microwave Radiometer (LAMR) Earth Observations written by and published by . This book was released on 1992 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Phased Array Design Technology for Large Aperture Microwave Radiometer (LAMR) Earth Observations by : H. K. Schuman
Download or read book Phased Array Design Technology for Large Aperture Microwave Radiometer (LAMR) Earth Observations written by H. K. Schuman and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by : United States. Superintendent of Documents
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1993 with total page 1192 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Book Synopsis A Conceptual Design of a Large Aperture Microwave Radiometer Geostationary Platform by : Paul A. Garn
Download or read book A Conceptual Design of a Large Aperture Microwave Radiometer Geostationary Platform written by Paul A. Garn and published by . This book was released on 1992 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1993 with total page 1194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Phased Arrays for Radio Astronomy, Remote Sensing, and Satellite Communications by : Karl F. Warnick
Download or read book Phased Arrays for Radio Astronomy, Remote Sensing, and Satellite Communications written by Karl F. Warnick and published by Cambridge University Press. This book was released on 2018-07-26 with total page 471 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discover a modern approach to the analysis, modeling and design of high sensitivity phased arrays. Network theory, numerical methods and computational electromagnetic simulation techniques are uniquely combined to enable full system analysis and design optimization. Beamforming and array signal processing theory are integrated into the treatment from the start. Digital signal processing methods such as polyphase filtering and RFI mitigation are described, along with technologies for real-time hardware implementation. Key concepts from interferometric imaging used in radio telescopes are also considered. A basic development of theory and modeling techniques is accompanied by problem sets that guide readers in developing modeling codes that retain the simplicity of the classical array factor method while incorporating mutual coupling effects and interactions between elements. Combining current research trends with pedagogical material suitable for a first-year graduate course, this is an invaluable resource for students, teachers, researchers, and practicing RF/microwave and antenna design engineers.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1993 with total page 814 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1993-03 with total page 802 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1993 with total page 1210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sourcebook on Remote Sensing and Biodiversity Indicators by : Holly Strand
Download or read book Sourcebook on Remote Sensing and Biodiversity Indicators written by Holly Strand and published by . This book was released on 2007 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This sourcebook is intended to assist environmental managers and others who work with indicators in pursuing appropriate methods for indicator testing and production, and to offer some guidance to those responsible for the interpretation of indicators and implementation of decisions based on them. Upon reading this document, technical advisers, environmental policy makers, and remote sensing lab directors and project managers should be able to identify specific, relevant uses of remote sensing data for biodiversity monitoring and indicator development related to the CBD." --p. 8.
Book Synopsis ACTS Ka-Band Earth Stations: Technology, Performance, and Lessons Learned by : Richard C. Reinhart
Download or read book ACTS Ka-Band Earth Stations: Technology, Performance, and Lessons Learned written by Richard C. Reinhart and published by . This book was released on 2000 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fixed ground stations used for experiments by government, academic, and commercial entities used reflector-based offset-fed antenna systems with antennas ranging in size from 0.35 to 3.4 m in diameter. Gateway Earth stations included two systems referred to as the NASA Ground Station (NGS) and the Link Evaluation Terminal (LET).
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electromagnetics in a Complex World by : Innocenzo Pinto
Download or read book Electromagnetics in a Complex World written by Innocenzo Pinto and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides the state of the art of modelling, simulation and calculation methods for electromagnetic fields and waves and their application.
Book Synopsis Hexagon (KH-9) Mapping Camera Program and Evolution by : Maurice G. Burnett
Download or read book Hexagon (KH-9) Mapping Camera Program and Evolution written by Maurice G. Burnett and published by . This book was released on 2012 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: The United States developed the Gambit and Hexagon programs to improve the nation's means for peering over the iron curtain that separated western democracies from east European and Asian communist countries. The inability to gain insight into vast "denied areas" required exceptional systems to understand threats posed by US adversaries. Corona was the first imagery satellite system to help see into those areas. Hexagon began as a Central Intelligence Agency (CIA) program with the first concepts proposed in 1964. The CIA's primary goal was to develop an imagery system with Corona-like ability to image wide swaths of the earth, but with resolution equivalent to Gambit. Such a system would afford the United States even greater advantages monitoring the arms race that had developed with the nation's adversaries. The Hexagon mapping camera flew on 12 of the 20 Hexagon missions. It proved to be a remarkably efficient and prodigious producer of imagery for mapping purposes. The mapping camera system was successful by every standard including technical capabilities, reliability, and capacity.
Book Synopsis Unlimited Horizons by : Peter W. Merlin
Download or read book Unlimited Horizons written by Peter W. Merlin and published by . This book was released on 2015 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: Designed as a stopgap measure to provide overhead reconnaissance capability during the early years of the Cold War, the versatile U-2 has since evolved to meet changing requirements well into the 21st century. Though many authors have documented the airplane's operational history, few have made more than a cursory examination of its technical aspects or its role as a NASA research platform. This volume includes an overview of the origin and development of the Lockheed U-2 family of aircraft with early National Advisory Committee for Aeronautics (NACA) and National Aeronautics and Space Administration (NASA) involvement, construction and materials challenges faced by designers and builders, releasable performance characteristics and capabilities, use of U-2 and ER-2 airplanes as research platforms, and technical and programmatic lessons learned.
Book Synopsis Physical and Mathematical Modeling of Earth and Environment Processes by : Vladimir Karev
Download or read book Physical and Mathematical Modeling of Earth and Environment Processes written by Vladimir Karev and published by Springer. This book was released on 2018-03-24 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the result of collaboration within the framework of the Third International Scientific School for Young Scientists held at the Ishlinskii Institute for Problems in Mechanics of Russian Academy of Sciences, 2017, November. The papers included describe studies on the dynamics of natural system – geosphere, hydrosphere, atmosphere—and their interactions, the human contribution to naturally occurring processes, laboratory modeling of earth and environment processes, and testing of new developed physical and mathematical models. The book particularly focuses on modeling in the field of oil and gas production as well as new alternative energy sources.
