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Interlaboratory Study Ils Of The Standard Test Method For Measuring The Night Vision Goggle Weighted Transmissivity Of Transparent Parts
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Book Synopsis Interlaboratory Study (ILS) of the Standard Test Method for Measuring the Night Vision Goggle-Weighted Transmissivity of Transparent Parts by : Alan R. Pinkus
Download or read book Interlaboratory Study (ILS) of the Standard Test Method for Measuring the Night Vision Goggle-Weighted Transmissivity of Transparent Parts written by Alan R. Pinkus and published by . This book was released on 1998-03-01 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are several ASTM Standards that address light transmissivity through transparencies (ASTM Standards F 1316-90D and 1003-61) in the visible spectrum (400 through 700 nm). However, night vision goggles (NVGs) are now being used in aircraft and other applications (e.g., marine navigation, surveillance, personnel carriers) with increasing frequency. These devices amplify both visible and near-infrared (NIR) spectral energy. A transparency may have excellent visible transmissive characteristics but could have poor NIR transmissivity. Overall visual performance (acuity) can be degraded if the observer uses the NVGs while looking through a transparency that has attenuated transmissivity in the NIR region (Pinkus and Task, 1997, see Appendix A). ASTM P94-02, Standard Test Method for Measuring Night Vision Goggle-Weighted Transmissivity of Transparent Materials (see draft in Appendix B) addresses this issue.
Book Synopsis Standard Test Method for Measuring the Night Vision Goggle-Weighted Transmissivity of Transparent Parts by :
Download or read book Standard Test Method for Measuring the Night Vision Goggle-Weighted Transmissivity of Transparent Parts written by and published by . This book was released on with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transmissivity and Night Vision Goggle Compatibility Data for Select Aircraft Transparencies by :
Download or read book Transmissivity and Night Vision Goggle Compatibility Data for Select Aircraft Transparencies written by and published by . This book was released on 2003 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document is a compilation of spectral transmissivity data measured from numerous aircraft transparencies. The spectral transmissivity of each part was measured from wavelengths of 450 nm through 950 nm. Some parts were also measured at several different angles relative to the optical axis of the spectroradiometric instrument. The measurements yielded both visible light and near infrared (NIR) spectra. The NIR data were used to calculate night vision goggle-weighted transmissivity (TNVG) values (Pinkus and Task, 1997). TNVG is a measure of a transparency's compatibility when it is used in conjunction with night vision goggles (NVGs). NVGs utilize the NIR portion (600 nm through 950 nm) of the night sky ambient illumination. Generally speaking, the higher the TNVG coefficient, the higher the NVG visual performance (Pinkus & Task, 1998a; Pinkus & Task, 1997).
Book Synopsis Transmissivity and Night Vision Goggle Compatibility Data for Select Aircraft Transparencies by : Alan R. Pinkus
Download or read book Transmissivity and Night Vision Goggle Compatibility Data for Select Aircraft Transparencies written by Alan R. Pinkus and published by . This book was released on 2003-01-01 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document is a compilation of spectral transmissivity data measured from numerous aircraft transparencies. The spectral transmissivity of each part was measured from wavelengths of 450 nm through 950 nm. Some parts were also measured at several different angles relative to the optical axis of the spectroradiometric instrument. The measurements yielded both visible light and near infrared (NIR) spectra. The NIR data were used to calculate night vision goggle-weighted transmissivity (TNVG) values (Pinkus and Task, 1997). TNVG is a measure of a transparency's compatibility when it is used in conjunction with night vision goggles (NVGs). NVGs utilize the NIR portion (600 nm through 950 nm) of the night sky ambient illumination. Generally speaking, the higher the TNVG coefficient, the higher the NVG visual performance (Pinkus & Task, 1998a; Pinkus & Task, 1997).
Book Synopsis Standard Test Method for Measuring Optical Reflectivity of Transparent Materials by :
Download or read book Standard Test Method for Measuring Optical Reflectivity of Transparent Materials written by and published by . This book was released on with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wo finde ich die wichtigsten Entscheidungen der letzten Zeit? by :
Download or read book Wo finde ich die wichtigsten Entscheidungen der letzten Zeit? written by and published by . This book was released on 1926 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Visionics Night Vision Goggle Study by : John Johnson
Download or read book Visionics Night Vision Goggle Study written by John Johnson and published by . This book was released on 1972 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: 7026(*NIGHT WARFARE, *EYEGLASSES), EFFECTIVENESS, NIGHT VISION, COMBAT SURVEILLANCE, SPECIFICATIONS, SIMULATORS, TEST METHODS, RELIABILITY*GOGGLES, *NIGHT VISION, NIGHT DRIVINGThe present report addresses the overall utility of the night vision goggles. Military effectiveness of the goggles over the unaided eye for night driving, close-order operations, patrol, and combat surveillance was evaluated by field experimentation. Identification of optical, electro-optical, and human-related factors was done through laboratory simulation and bench-test evaluations. Alternative approaches, as well as electro-optical specifications for individual night vision aides, were considered and evaluated. The 40 degrees FOV Night Vision Goggles provide a dual (passive-active), open-hatch, night-driving capability for armored vehicles. (Author Modified Abstract).
Book Synopsis Comparative Night Vision Goggle Visual Acuity Measurements Performed in the A-10 Aircraft in an Operational Setting by :
Download or read book Comparative Night Vision Goggle Visual Acuity Measurements Performed in the A-10 Aircraft in an Operational Setting written by and published by . This book was released on 1993 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Night Vision Programs Office of the Aircrew Training Research Division, Armstrong Laboratory, responded to a request from the 422nd Operational Test Squadron at Nellis AFB to conduct the ground testing portion of their A-10 Night Vision Goggle (NVG) special project. Evaluations were conducted comparing the performance of four different NVGs under both laboratory and representative operational conditions. The performance of the F4949 'Super ANVIS' was superior to that of the other NVGs tested. Additionally, a comparative study was conducted evaluating the impact of two different windscreens on NVG image quality. The new windscreen allowed the transmission of more energy usable to the NVGS, thus enhancing image quality over that possible with the old windscreen ... Adjustment procedures, Night vision goggles, Transmissivity, Compatible cockpit lighting, NVD, Visual acuity, Night vision devices, NVG.
Book Synopsis Occupational Safety and Health Guidance Manual for Hazardous Waste Site Activities by :
Download or read book Occupational Safety and Health Guidance Manual for Hazardous Waste Site Activities written by and published by . This book was released on 1985 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Century of Excellence in Measurements, Standards, and Technology by : David R. Lide
Download or read book A Century of Excellence in Measurements, Standards, and Technology written by David R. Lide and published by CRC Press. This book was released on 2001-10-30 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: Established by Congress in 1901, the National Bureau of Standards (NBS), now the National Institute of Standards and Technology (NIST), has a long and distinguished history as the custodian and disseminator of the United States' standards of physical measurement. Having reached its centennial anniversary, the NBS/NIST reflects on and celebrates its first century with this book describing some of its seminal contributions to science and technology. Within these pages are 102 vignettes that describe some of the Institute's classic publications. Each vignette relates the context in which the publication appeared, its impact on science, technology, and the general public, and brief details about the lives and work of the authors. The groundbreaking works depicted include: A breakthrough paper on laser-cooling of atoms below the Doppler limit, which led to the award of the 1997 Nobel Prize for Physics to William D. Phillips The official report on the development of the radio proximity fuse, one of the most important new weapons of World War II The 1932 paper reporting the discovery of deuterium in experiments that led to Harold Urey's1934 Nobel Prize for Chemistry A review of the development of the SEAC, the first digital computer to employ stored programs and the first to process images in digital form The first paper demonstrating that parity is not conserved in nuclear physics, a result that shattered a fundamental concept of theoretical physics and led to a Nobel Prize for T. D. Lee and C. Y. Yang "Observation of Bose-Einstein Condensation in a Dilute Atomic Vapor," a 1995 paper that has already opened vast new areas of research A landmark contribution to the field of protein crystallography by Wlodawer and coworkers on the use of joint x-ray and neutron diffraction to determine the structure of proteins
Download or read book City of Light written by Jeff Hecht and published by Oxford University Press, USA. This book was released on 2004 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text presents the history of the development of fibre optic technology, explaining the scientific challenges that needed to be overcome, the range of applications and future potential for this fundamental communications technology.
Book Synopsis Introduction to Wine Laboratory Practices and Procedures by : Jean L. Jacobson
Download or read book Introduction to Wine Laboratory Practices and Procedures written by Jean L. Jacobson and published by Springer Science & Business Media. This book was released on 2006-06-14 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the beginning, for me, winemaking was a romanticized notion of putting grape juice into a barrel and allowing time to perform its magic as you sat on the veranda watching the sunset on a Tuscan landscape. For some small wineries, this notion might still ring true, but for the majority of wineries commercially producing quality wines, the reality of winemaking is far more complex. The persistent evolution of the wine industry demands continual advan- ments in technology and education to sustain and promote quality winem- ing. The sciences of viticulture, enology, and wine chemistry are becoming more intricate and sophisticated each year. Wine laboratories have become an integral part of the winemaking process, necessitating a knowledgeable staff possessing a multitude of skills. Science incorporates the tools that new-age winemakers are utilizing to produce some of the best wines ever made in this multibillion dollar trade. A novice to enology and wine chemistry can find these subjects daunting and intimidating. Whether you are a home winemaker, a new winemaker, an enology student, or a beginning-to-intermediate laboratory technician, p- ting all the pieces together can take time. As a winemaker friend once told me, “winemaking is a moving target. ” Introduction to Wine Laboratory Practices and Procedures was written for the multitude of people entering the wine industry and those that wish to learn about wine chemistry and enology.
Book Synopsis The Aggregates Handbook, Second Edition by : National Stone, Sand & Gravel Association
Download or read book The Aggregates Handbook, Second Edition written by National Stone, Sand & Gravel Association and published by . This book was released on 2013-03-20 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Polarographic Oxygen Sensors by : E. Gnaiger
Download or read book Polarographic Oxygen Sensors written by E. Gnaiger and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rodent Model as Tools in Ethical Biomedical Research by : Monica Levy Andersen
Download or read book Rodent Model as Tools in Ethical Biomedical Research written by Monica Levy Andersen and published by Springer. This book was released on 2015-11-26 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this book is to concisely present information with respect to appropriate use of experimental rodents in research. The principles elaborated seek to provide knowledge of the techniques involved in both management and scientific research to all who use laboratory animals, with a focus on the well-being and ethics regarding rodents and also to fortify the awareness of the importance of the animal as a study object and to offer orientation and assistance in conducting laboratory research, education or tests.
Book Synopsis Essential Mathematics and Statistics for Forensic Science by : Craig Adam
Download or read book Essential Mathematics and Statistics for Forensic Science written by Craig Adam and published by John Wiley & Sons. This book was released on 2011-09-20 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text is an accessible, student-friendly introduction to the wide range of mathematical and statistical tools needed by the forensic scientist in the analysis, interpretation and presentation of experimental measurements. From a basis of high school mathematics, the book develops essential quantitative analysis techniques within the context of a broad range of forensic applications. This clearly structured text focuses on developing core mathematical skills together with an understanding of the calculations associated with the analysis of experimental work, including an emphasis on the use of graphs and the evaluation of uncertainties. Through a broad study of probability and statistics, the reader is led ultimately to the use of Bayesian approaches to the evaluation of evidence within the court. In every section, forensic applications such as ballistics trajectories, post-mortem cooling, aspects of forensic pharmacokinetics, the matching of glass evidence, the formation of bloodstains and the interpretation of DNA profiles are discussed and examples of calculations are worked through. In every chapter there are numerous self-assessment problems to aid student learning. Its broad scope and forensically focused coverage make this book an essential text for students embarking on any degree course in forensic science or forensic analysis, as well as an invaluable reference for post-graduate students and forensic professionals. Key features: Offers a unique mix of mathematics and statistics topics, specifically tailored to a forensic science undergraduate degree. All topics illustrated with examples from the forensic science discipline. Written in an accessible, student-friendly way to engage interest and enhance learning and confidence. Assumes only a basic high-school level prior mathematical knowledge.
Download or read book EPA-650/4 written by and published by . This book was released on 1976 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
