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Download or read book Thermosonde and UHF Radar Measurements of C2 at Westford, Massachusetts-July 1981 written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James H. Brown
Publisher :
ISBN 13 :
Total Pages : 57 pages
Book Rating : 4.:/5 (757 download)
Download or read book Thermosonde and UHF Radar Measurements of C2 at Westford , Massachusetts-July 1981 written by James H. Brown and published by . This book was released on 1984 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James H. Brown
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.3/5 (91 download)
Download or read book Thermosonde and UHF Radar Measurements of C2n at Westford, Massachusetts -- July 1981 written by James H. Brown and published by . This book was released on 1984 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: Five different instruments were used in coordinated multiple experiments to measure atmospheric turbulence. C sub n squared, the optical refractive structure constant, was measured by thermosondes, UHF radar, stellar scintillometer, and aircraft mounted micro-thermal probes. Presented here are the results of 19 rawinsode flights. Also comparisons of eight thermosonde/radar profiles, one radar, scintillometer, thermosonode profile, and several aircraft profiles are presented. For the scales discussed here, good agreement is shown between radar, thermosonode, and scintillometer data. Worse agreement is obtained from aircraft measurements. A diurnal shift in the C2 profile is noted but no tropopause enhancement is found.
Author : J. H. Brown
Publisher :
ISBN 13 :
Total Pages : 55 pages
Book Rating : 4.:/5 (227 download)
Download or read book Thermosonde and UHF Radar Measurements of C2 Sub N at Westford, Massachusetts - July 1981 written by J. H. Brown and published by . This book was released on 1984 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt: Five different instruments were used in coordinated multiple experiments to measure atmospheric turbulence. C sub n squared, the optical refractive structure constant, was measured by thermosondes, UHF radar, stellar scintillometer, and aircraft mounted micro-thermal probes. Presented here are the results of 19 rawinsode flights. Also comparisons of eight thermosonde/radar profiles, one radar, scintillometer, thermosonode profile, and several aircraft profiles are presented. For the scales discussed here, good agreement is shown between radar, thermosonode, and scintillometer data. Worse agreement is obtained from aircraft measurements. A diurnal shift in the C2 profile is noted but no tropopause enhancement is found.
Author : James H. Brown
Publisher :
ISBN 13 :
Total Pages : 57 pages
Book Rating : 4.:/5 (17 download)
Download or read book THERMOSONDE AND UHF RADAR MEASUREMENTS OF CN2 AT WESTFORD, MASSACHUSETTS - JULY 1981 written by James H. Brown and published by . This book was released on 1984 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James H. Brown
Publisher :
ISBN 13 :
Total Pages : 78 pages
Book Rating : 4.3/5 (91 download)
Download or read book Study of Possible Solar Heating Effects on Thermosonde Probes written by James H. Brown and published by . This book was released on 1989 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermosonde data reveals a diurnal daytime shift in measured levels of C square (n) in the free atmosphere. The shift is manifested in two ways. First, an apparent offset in the smallest measured values of C square (n) exists. Secondly, the curve of the average profile shows an enhancement over nighttime profiles. Related optical and radar measurements have indicated that differences between day and night probably exist, but because of limited instrumental resolution and altitude capabilities those results are inconclusive. Several hypotheses have been put forward in this paper concerning possible instrumental or solar based sources of data contamination. We have examined the possibility that solar radiation causes probe heating with subsequent instrumental effects. Calculation, computer simulation, and direct measurements have shown that the sun heats the body of the probe sensor a couple of degrees above the ambient and that the level of heating depends upon the solar aspect angle and magnitude and direction of air flow over the probe. A small but insignificant AC type effect can result from improper probe geometry or probe mismatch together with a coupling of solar heating with velocity turbulence. Transient and DC type effects can occur, but measured, processed, and transmitted root mean square C square (n) information is not likely to contain instrumental contamination.
Author :
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ISBN 13 :
Total Pages : 984 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1985 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 936 pages
Book Rating : 4.3/5 (91 download)
Download or read book Meteorological and Geoastrophysical Abstracts written by and published by . This book was released on 1985 with total page 936 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 618 pages
Book Rating : 4.:/5 (3 download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1984-12 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1012 pages
Book Rating : 4.:/5 (319 download)
Download or read book Radio Science written by and published by . This book was released on 1985 with total page 1012 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1520 pages
Book Rating : 4.3/5 (129 download)
Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 1520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. S. Accetta
Publisher :
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Infrared and Electro-optical Systems Handbook: Atmospheric propagation of radiation written by J. S. Accetta and published by . This book was released on 1993 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1528 pages
Book Rating : 4.:/5 (319 download)
Download or read book Government Reports Annual Index: Keyword A-L written by and published by . This book was released on 1984 with total page 1528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Environmental Research Institute of Michigan. Infrared Information and Analysis Center
Publisher :
ISBN 13 :
Total Pages : 1740 pages
Book Rating : 4.3/5 (121 download)
Download or read book The Infrared Handbook written by Environmental Research Institute of Michigan. Infrared Information and Analysis Center and published by . This book was released on 1978 with total page 1740 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Paul Yoder
Publisher : CRC Press
ISBN 13 : 1351830945
Total Pages : 538 pages
Book Rating : 4.3/5 (518 download)
Download or read book Opto-Mechanical Systems Design, Volume 2 written by Paul Yoder and published by CRC Press. This book was released on 2017-12-19 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Opto-Mechanical Systems Design, Fourth Edition is different in many ways from its three earlier editions: coauthor Daniel Vukobratovich has brought his broad expertise in materials, opto-mechanical design, analysis of optical instruments, large mirrors, and structures to bear throughout the book; Jan Nijenhuis has contributed a comprehensive new chapter on kinematics and applications of flexures; and several other experts in special aspects of opto-mechanics have contributed portions of other chapters. An expanded feature—a total of 110 worked-out design examples—has been added to several chapters to show how the theory, equations, and analytical methods can be applied by the reader. Finally, the extended text, new illustrations, new tables of data, and new references have warranted publication of this work in the form of two separate but closely entwined volumes. This second volume, Design and Analysis of Large Mirrors and Structures, concentrates on the design and mounting of significantly larger optics and their structures, including a new and important topic: detailed consideration of factors affecting large mirror performance. The book details how to design and fabricate very large single-substrate, segmented, and lightweight mirrors; describes mountings for large mirrors with their optical axes in vertical, horizontal, and variable orientations; indicates how metal and composite mirrors differ from ones made of glass; explains key design aspects of optical instrument structural design; and takes a look at an emerging technology—the evolution and applications of silicon and silicon carbide in mirrors and other types of components for optical applications.
Author : Lucien M. Biberman
Publisher :
ISBN 13 : 9780819477712
Total Pages : 0 pages
Book Rating : 4.4/5 (777 download)
Download or read book Electro-Optical Imaging: System Performance and Modeling written by Lucien M. Biberman and published by . This book was released on 2001-01-30 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This significant compendium of technical literature traces the development of low-light-level and infrared imaging technologies and system modeling and performance over the past 30 years. It presents an excellent selection of the pioneering work in the U.S. and abroad that forms the theoretical underpinnings of electro-optical imaging. Copublished with ONTAR Corp. Originally published as a hardcover, this is a two-volume softcover version of PM96.
