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Author : J. E. Shields
Publisher :
ISBN 13 :
Total Pages : 33 pages
Book Rating : 4.:/5 (36 download)
Download or read book An Automated Observing System for Passive Evaluation of Cloud Cover and Visibility written by J. E. Shields and published by . This book was released on 1992 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. E. Shields
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (36 download)
Download or read book An Automated Observing System for Passive Evaluation of Cloud Cover and Visibility written by J. E. Shields and published by . This book was released on 1992 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 456 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author :
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (31 download)
Download or read book Automated Surface Observing System written by and published by . This book was released on 1998 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Janet E. Shields
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (318 download)
Download or read book WSI Operations Manual written by Janet E. Shields and published by . This book was released on 2000 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (318 download)
Download or read book Automated Whole Sky Imagers for Day and Night Cloud Field Assessment written by and published by . This book was released on 1993 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edward B. Geisler
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.3/5 (91 download)
Download or read book An Automated Cloud Observation System (ACOS) written by Edward B. Geisler and published by . This book was released on 1980 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analysis of cloud base height data collected during a seven-month period from a three Rotating Beam Ceilometer (RBC) network on Otis AFB, Massachusetts, demonstrated the accuracy of an automated cloud observation system. The high degree of correspondence between the automated and human observations of cloud height, low cloud amount, multiple cloud layers, and ceiling confirms the accuracy of the hierarchical clustering technique when applied to a network of RBC's confined to the immediate environs of an airfield. Tests demonstrated only slight improvements in automated cloud observation are realized by incorporating additional information from a second and third RBC on or near an airfield.
Author : Atmospheric Optics Group
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.:/5 (318 download)
Download or read book Development of Extinction Imagers for the Determination of Atmospheric Optical Extinction written by Atmospheric Optics Group and published by . This book was released on 2014 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary goals of this project for JTO and ONR (Grant N00014-07-1-1060) were to further develop Extinction Imagers for use in the ocean environment, and to extend the capabilities into the Short Wave IR (SWIR). Extinction Imaging is a method for determining the effective extinction coefficient over an extended path using a sensor at one end of the path. It uses calibrated imagers to acquire the relative radiance of a dark target near the other the end of the path and the horizon sky in the direction of the dark target. It is completely passive and thus covert, and the hardware is robust and relatively inexpensive. It uses rigorous equations, which determine the extinction coefficient from the measured apparent contrast of the radiance of the dark target with respect to the horizon sky. The project was very successful. We found that the ocean surface could readily be used as a dark target in red and SWIR wavelengths. Both the red and the SWIR measurement results were excellent for daytime. Comparisons with standard instruments, as well as uncertainty analysis, indicated that extinction imagers provide better measurements of the atmospheric extinction losses over extended paths than other methods of which we are aware. Our secondary goals were to address the night regime, and to address slanted paths above the horizontal. Regarding night, we found that the visible sensor acquired excellent data, but the ocean surface was not a good dark target in our wavelengths. Recommendations on the handling of night are given in the report. Regarding the lines of sight above the horizon, we developed a slant path algorithm that determines beam transmittance. It performed very well. Recommendations are made regarding integration of these techniques for military applications
Author :
Publisher :
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.:/5 (318 download)
Download or read book Automated Surface Observing System, National Weather Service written by and published by . This book was released on 1998 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert W. Johnson
Publisher :
ISBN 13 :
Total Pages : 718 pages
Book Rating : 4.:/5 (318 download)
Download or read book Automated Visibility & Cloud Cover Measurements with a Solid-state Imaging System written by Robert W. Johnson and published by . This book was released on 1989 with total page 718 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frederick J. Brousaides
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.3/5 (91 download)
Download or read book An Assessment of the AN/GMQ-13 Cloud Height Set Capability to Meet AWS Requirements written by Frederick J. Brousaides and published by . This book was released on 1982 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: The capability and performance of the AN/GMQ-13 Cloud Height Set, commonly referred to as the Rotating Beam Ceilometer (RBC), was reviewed. Included in the study is an assessment of its ability to meet specific requirements for automting the measurement of cloud field properties, that is, layering and cloud cover, through the application of the hierarchical clustering technique. It is concluded that a single RBC system cannot meet current stated requirements for cloud height measurement. An RBC with a 1600 ft baseline can meet the high altitude requirement but has difficulty with low ceilings that are also associated with conditions of restricted visibility. An RBC with a 400-ft baseline does well at low altitudes but is totally inadequate at high altitudes. An obvious compromise would be the deployment of two RBCS, or one projector and two receivers. The hierarchical clustering technique for the determination of cloud field properties was previously demonstrated in AFGL and AWS field tests. The resolution and accuracy to be obtained is a function of the number of ceilometers available, their orientation, and time averaging considerations.
Author :
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (318 download)
Download or read book Automated Cloud Cover & Visibility Systems for Real Time Applications written by and published by . This book was released on 1990 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. C. Burnham
Publisher :
ISBN 13 :
Total Pages : 213 pages
Book Rating : 4.:/5 (227 download)
Download or read book AWOS (Automatic Weather Observing System) Sensor Evaluation. Transmissometer, Forward-Scatter Meter and Lidar Ceilometer written by D. C. Burnham and published by . This book was released on 1984 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ceiling and visibility measurements are included in an Automatic Weather Observing System (AWOS) which is intended to satisfy the needs of aviation. The performance of one ceilometer and two visibility sensors was examined to determine whether they can meet the requirements of AWOS systems. The visibility sensors employed two different principles of operation: a transmissometer and a forward-scatter meter. The sensors were field tested at Arcata CA, Sterling VA, and Otis Air National Guard Base MA. During the last portion of the field testing the sensors were interfaced to a commercially available AWOS system to verify the sensor interfaces. The results of the evaluation indicate that the laser ceilometer and the transmissometer were generally satisfactory, but that the forward-scatter meter required additional development and testing because of electronic defects in the units tested. A major goal of the study was to develop and evaluate acceptance test procedures for AWOS ceilometers and visibility sensors. Accuracy and maintenance requirements, standard reference, sensors, and test methods were examined. (Author).
Author :
Publisher :
ISBN 13 :
Total Pages : 734 pages
Book Rating : 4.:/5 (318 download)
Download or read book SIO Reference written by and published by . This book was released on 1993 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Federal Aviation Administration Technical Center (U.S.)
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (123 download)
Download or read book Automated Weather Observing System (AWOS) Cloud Algorithm Study written by Federal Aviation Administration Technical Center (U.S.) and published by . This book was released on 1985 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 69 pages
Book Rating : 4.:/5 (227 download)
Download or read book Automated Weather Observing System (AWOS) Data Acquisition System (ADAS) Operational Test and Evaluation (OT and E) Integration and OT and E Operational Test Plan written by and published by . This book was released on 1992 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: The attached document delineates the various plans associated with the preparation and conduct of Operational Test and Evaluation (OT and E) integration and OT and E Operational testing of the Automated Weather Observing System (AWOS) Data Acquisition System (ADAS) at the Federal Aviation Administration (FAA) Technical Center. It is being circulated to organizations participating in the testing and implementation of the ADAS ... Automated Weather Observing System (AWOS), AWOS Data Acquisition System (ADAS), Data Link Processor (DLP).
Author : Steven J. Goodman
Publisher : Elsevier
ISBN 13 : 0128143282
Total Pages : 306 pages
Book Rating : 4.1/5 (281 download)
Download or read book The GOES-R Series written by Steven J. Goodman and published by Elsevier. This book was released on 2019-10-05 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: The GOES-R Series: A New Generation of Geostationary Environmental Satellites introduces the reader to the most significant advance in weather technology in a generation. The world’s new constellation of geostationary operational environmental satellites (GOES) are in the midst of a drastic revolution with their greatly improved capabilities that provide orders of magnitude improvements in spatial, temporal and spectral resolution. Never before have routine observations been possible over such a wide area. Imagine satellite images over the full disk every 10 or 15 minutes and monitoring of severe storms, cyclones, fires and volcanic eruptions on the scale of minutes. Introduces the GOES-R Series, with chapters on each of its new products Provides an overview of how to read new satellite images Includes full-color images and online animations that demonstrate the power of this new technology
