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The Effects Of Atmospheric Turbulence On The Atmospheric Transmittance At Optical Frequencies
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Book Synopsis The Effects of Atmospheric Turbulence on the Atmospheric Transmittance at Optical Frequencies by : Chii-Feng Ouyang
Download or read book The Effects of Atmospheric Turbulence on the Atmospheric Transmittance at Optical Frequencies written by Chii-Feng Ouyang and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Optical Apparatus to Determine the Effect of Turbulence on the Modulation Transfer Function of the Atmosphere by : Wayne Thompson Hildebrand
Download or read book An Optical Apparatus to Determine the Effect of Turbulence on the Modulation Transfer Function of the Atmosphere written by Wayne Thompson Hildebrand and published by . This book was released on 1972 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: An apparatus was designed and constructed to determine the effect of atmospheric turbulence on the modulation transfer function (MTF) of the atmosphere. A reflecting telescope and reticle system provided optical information in the visible region to a silicon photodiode detector which was responsive from .35 micron to 1.1 microns. The output of the detector was processed to measure irradiance modulation from a target of known spatial frequency. The modulation transfer function of the atmospheric transmission medium and the optical system was measured under calm conditions and conditions of turbulence on a 270 meter round trip path through a building corridor. The optical apparatus described was capable of detecting, in the visible range, the degrading effect of turbulence on MTF. All reflective optics were used so that the visual through 10 micrometers range can be covered with use of different detectors. (Author).
Book Synopsis The Effects of Atmospheric Turbulence on an Air-to-air Optical Communication Link by : Jay N. Kanavos (CAPT, USAF.)
Download or read book The Effects of Atmospheric Turbulence on an Air-to-air Optical Communication Link written by Jay N. Kanavos (CAPT, USAF.) and published by . This book was released on 1984 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies of the Effects of Atmospheric Turbulence on Free Space Optical Communications by : Heba Yuksel
Download or read book Studies of the Effects of Atmospheric Turbulence on Free Space Optical Communications written by Heba Yuksel and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Atmospheric Turbulence on Optical Instrumentation by : Randolph A. Becker
Download or read book Effects of Atmospheric Turbulence on Optical Instrumentation written by Randolph A. Becker and published by . This book was released on 1961 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of research on optical turbulence at White Sands Missile Range are presented. It has been shown that elevating camera stations 33 feet above ground level can yield nearly a threefold increase in optical resolution during periods of atmospheric turbulence. Early research postulated the existence of thermal-induced air-lenses as the cause of optical turbulence effects. Recent research has shown that air-lenses can account for most of the observed effects. The 'prism' concept of turbulence appears to be unnecessary for explaining trubulence -induced image motion. The dependence of the optical effects of turbulence upon exposure time and aperture size is discussed qualitatively. The source of optical turbulence in the atmosphere and a method of measuring the trubulence-generating potential of various terrain surfaces are described on the basis of micrometerology. This research has been limited to an investigation of optical turbulence during the period from sunrise to sunset. However, many of the results apply to the nighttime turbulence encountered by astronomers. (Author).
Book Synopsis Optical Effects of Atmospheric Turbulence by : Autonetics
Download or read book Optical Effects of Atmospheric Turbulence written by Autonetics and published by . This book was released on 1967 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Techniques to Mitigate the Effects of Atmospheric Turbulence on Free Space Optical Communication Links by :
Download or read book Techniques to Mitigate the Effects of Atmospheric Turbulence on Free Space Optical Communication Links written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Astronomical Optics by : Daniel J. Schroeder
Download or read book Astronomical Optics written by Daniel J. Schroeder and published by Elsevier. This book was released on 2012-12-02 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by a recognized expert in the field, this clearly presented, well-illustrated book provides both advanced level students and professionals with an authoritative, thorough presentation of the characteristics, including advantages and limitations, of telescopes and spectrographic instruments used by astronomers of today. Written by a recognized expert in the field Provides both advanced level students and professionals with an authoritative, thorough presentation of the characteristics, including advantages and limitations, of telescopes and spectrographic instruments used by astronomers of today
Book Synopsis Effects of Atmospheric Turbulence on Optical Propagation by : R. S. Lawrence
Download or read book Effects of Atmospheric Turbulence on Optical Propagation written by R. S. Lawrence and published by . This book was released on 1984 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The optical refractive index of the atmosphere depends on temperature, pressure, and humidity. Naturally occurring variations of these quantities, with scales of a few centimeters and associated with atmospheric turbulence, cause optical scintillation, image distortion, and laser beam broadening. I review the meteorological conditions that influence the occurrence of this optical turbulence, discuss the optical significance of turbulence at various heights in the atmosphere, and point out the differences between these optical effects and the corresponding phenomena at radio wavelengths. While beam broadening increases indefinitely with the strength of optical turbulence, scintillation saturates and eventually decreases with increasing turbulence.
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 1995 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Atmospheric Effects on Multiple-frequency Range Measurements by : G. D. Thayer
Download or read book Atmospheric Effects on Multiple-frequency Range Measurements written by G. D. Thayer and published by . This book was released on 1967 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis and Simulation of the Effects of Atmospheric Turbulence on Optical Wave Propagation by : Gregory Mazzaro
Download or read book Analysis and Simulation of the Effects of Atmospheric Turbulence on Optical Wave Propagation written by Gregory Mazzaro and published by . This book was released on 2006 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Conference on Atmospheric Limitations to Optical Propagation by :
Download or read book Proceedings of the Conference on Atmospheric Limitations to Optical Propagation written by and published by . This book was released on 1965 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Atmospheric Effects on Electro-optical, Infrared, and Millimeter Wave Systems Performance by : Richard B. Gomez
Download or read book Atmospheric Effects on Electro-optical, Infrared, and Millimeter Wave Systems Performance written by Richard B. Gomez and published by . This book was released on 1981 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Measurement of Optical Angular Deviation Caused by Atmospheric Turbulence and Refraction by : James L. Hayes
Download or read book Experimental Measurement of Optical Angular Deviation Caused by Atmospheric Turbulence and Refraction written by James L. Hayes and published by . This book was released on 1966 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigations of Optical Propagation in Atmospheric Turbulence by : Michael W. Fitzmaurice
Download or read book Experimental Investigations of Optical Propagation in Atmospheric Turbulence written by Michael W. Fitzmaurice and published by . This book was released on 1971 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: The pertinent theoretical background and the results of a group of experiments conducted over 0.4- and 1.17-km near-ground horizontal ranges are presented. (1) The log-amplitude variances for HeNe (0.633 μm) and CO2 (10.6 μm) laser beams were found to have a ratio of 26.8, which is in close agreement with the predictions of Rytov-based spherical-wave theory. (2) Published measurements of the saturation level of the log-amplitude variance are reviewed and several inconsistencies noted. (3) The spatial correlation function of irradiance field was measured and found to agree with theory. The degree of correlation between different frequency beams which had traversed the same optical path was also measured and compared to theory. The data exhibited an unacceptably large scatter and did not show the wavelength dependence. (4) The log-normal, Rayleigh, and Rice probability distributions are discussed in terms of their applicability to irradiance statistics. Relatively weak 10.6 μm irradiance fluctuations were found to be equally well described by the log-normal and Rice distributions; strong fluctuations obtained at 0.488 μm were clearly best described by the log-normal distribution.
Book Synopsis The Effect of Atmospheric Turbulence on the Performance of Terrestrial Digital Optical Line of Sight Communication Systems by : C. J. Lilly
Download or read book The Effect of Atmospheric Turbulence on the Performance of Terrestrial Digital Optical Line of Sight Communication Systems written by C. J. Lilly and published by . This book was released on 1986 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
