Download or read book Luminance Issue 2 written by Michael Hislop and published by Kavya Kishor International . This book was released on 2024-08-18 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: LUMINANCE - ISSUE 2 is the second issue of Luminance Magazine By Kavya Kishor International.
Download or read book Air Survey of Sand Deposits by Spectral Luminance written by Mariya A. Romanova and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an account of a method of determining the type composition of sandy deposits from the air by the nature of their reflection of radiant energy. The measured spectral luminance of a rock outcrop rela ti ve to the luminance of a standard is the basic property considered in this method. The spectral luminance factors p\ are measured by means of special instruments - a universal photometer, cinespectrograph, spectro visors, and other spectrometers. The measured values of P" of the investigated rocks are interpreted geologically with the aid of some methods of mathematical statistics so that a means of lithological mapping of sandy deposits from the air can be found. The importance of developing a method of determining the type composition of rocks, primarily sandy de posits, from the air stems from the extensive occurrence of deserts on the earth's surface. Sandy deserts occupy vast areas in the southern latitudes of the USSR and occur in western and central China, Pakistan, Iran, India, and other states. In these deserts there are numerous deposits of petroleum and gas, and a search for water is continuously in progress. Successful prospecting for the above minerals depends on a determination of the material composition of the sandy deposits in these deserts and the solution of several questions of recent tec tonics, paleogeography, and quaternary geology, the answers to which might also be given by a study of the dis tribution of lithological types of sands.
Download or read book Reaction Time as a Function of Flash Luminance and Duration written by Mark F. Lewis and published by . This book was released on 1967 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book On the saturation Luminance of High density Microsecond arc Channels written by Heinz Fischer and published by . This book was released on 1966 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: The emission of high-current microsecond-arc channels with a 1-mm gap has been studied in argon and helium by means of a 20-nsec Kerr-cell shutter and profiles of the relative luminance B determined from photographs of the arc image. The method is practically unaffected by instabilities in arc position, and the accuracy of relative luminance values has been perfected to a scatter smaller than plus or minus 5%. From maximum values of the 'saturation' luminance B* in the axis of the arc channel observed over a wide range of arc current altered by the gas pressure, a ratio of B*He/B*A = 1.52 for the two gases has been determined. The luminance profile across the arc channel demonstrates increasing opacity after saturation is reached. (Author).
Download or read book Influence of Vestibular Stimulation and Display Luminance on the Performance of a Compensatory Tracking Task written by Richard D Gilson and published by . This book was released on 1970 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Loss of acuity for visual details in aircraft during unusual maneuvers has been documented. Recent investigations of this problem have served to define the magnitude of semicircular canal stimulation necessary to produce nystagmus of sufficient strength to degrade visual acuity. Present work extends former observations by investigating the effects of levels of illumination during semicircular canal stimulation on the performance of a task requiring vision. The illumination levels were selected to encompass the range used in aircraft cockpits. A compensatory tracking task with an aircraft instrument as the display provided an indirect measure of this loss of visual acuity and a direct practical measure of performance. (Author).
Download or read book Dawn of Luminance written by Daniel McMillan and published by Vector11 Studio. This book was released on 2021-10-23 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt: All good things must come to an end... Humanity is all but doomed. There is no way off the dying Earth unless William Clarke can complete the Teleportal, and it seems that every faction in the world has their sights set on acquiring the unfinished device. With their choices drastically limited and time running out, Baxter and the Sylvans must overcome not only the global geologic crisis that threatens to extinguish life on Earth, but also the newly formed android faction that seeks the elimination of humanity. As if things weren't bad enough already. There's an awful lot of backstabbing, bloodshed, and conflict going on - especially considering there isn't even going to be a planet to fight over for much longer.
Download or read book Two flash Thresholds as a Function of Flash Luminance and Area written by Mark F. Lewis and published by . This book was released on 1968 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Popular Science written by and published by . This book was released on 1978-08 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.
Download or read book The Astrophotography Manual written by Chris Woodhouse and published by CRC Press. This book was released on 2015-05 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Astrophotography Manual is for those photographers who aspire to move beyond using standard SLR cameras and editing software, and who are ready to create beautiful images of nebulas, galaxies, clusters, and the solar system. Beginning with a brief astronomy primer, this book takes readers through the full astrophotography process, from choosing and using equipment through image capture, calibration, and processing. This combination of technical background information and the hands-on approach brings the science down to earth with a practical method to plan for success. Features include: Over 400 images, graphs, and tables to illustrate these concepts A wide range of hardware to be used, including smartphones, tablets, and the latest mount technologies How to utilize a variety of leading software such as Maxim DL, Nebulosity, Sequence Generator Pro, Photoshop, and PixInsight Case studies showing how and when to use certain tools and overcoming technical challenges How sensor performance and light pollution relate to image quality and exposure planning
Download or read book Color selective Luminance Encoding written by Joseph Lee Hardy and published by . This book was released on 2002 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Oxford Compendium of Visual Illusions written by Arthur Gilman Shapiro and published by Oxford University Press. This book was released on 2017 with total page 833 pages. Available in PDF, EPUB and Kindle. Book excerpt: Visual illusions are compelling phenomena that draw attention to the brain's capacity to construct our perceptual world. The Compendium is a collection of over 100 chapters on visual illusions, written by the illusion creators or by vision scientists who have investigated mechanisms underlying the phenomena. --
Download or read book Minimal Luminance Requirement for Official Highways Signs written by and published by . This book was released on 1986 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sign Luminance Requirements for Various Background Complexities written by Douglas J. Mace and published by . This book was released on 1985 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Federal standards (FP-79) for luminance of retroreflective materials for traffic signs are acceptance standards; they provide no differentiation based on driver need. Driver needs for sign luminance are of 3 types -- luminance for sign comprehension, luminance levels that define sign legibility, and luminance levels for sign conspicuity. This study was directed toward establishing, for different levels of scene complexity, luminance levels for conspicuity of yellow diamond warning signs at night. A procedure based upon rating sign locations on 4 scales was useful for identifying low complexity and high complexity scenes.
Download or read book Aerial Measurements of Atmospheric Clarity and Sky Luminance Near Alamogordo New Mexico written by Seibert Q Duntley and published by . This book was released on 1958 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Spatio temporal Masking with Luminance varying and Isoluminant Stimuli written by Julie Ann Scott and published by . This book was released on 1998 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Predicting the Effect of Luminance and Contrast on Visual Resolution from a Spot Contrast Threshold Measure written by James Scott Newacheck and published by . This book was released on 1988 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effects of Road Marking Luminance Contrast on Driving Safety written by Jyh-Hone Wang and published by . This book was released on 2004 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
