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Author : Jerome W. Molchany
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (139 download)
Download or read book Pursuit Tracking Performance and Flash Disruption written by Jerome W. Molchany and published by . This book was released on 1985 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. W. Molchany
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (227 download)
Download or read book Pursuit Tracking Performance and Flash Disruption: The Effects of Training the Non-Dominant Eye on Target Reacquisition written by J. W. Molchany and published by . This book was released on 1985 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Shifting from the sighting to the non-sighting eye represents a possible solution for operators of monocular viewing devices whose vision is temporarily disrupted from the effects of flash. Twenty-four male volunteers used a viscous-damped mount optical tracking device to track targets at a constant angular velocity of 5 mrad/sec under bright and dim ambient light conditions. Pursuit tracking data were collected under simulated field conditions. Volunteers were randomly assigned to one of the three groups. The first group received no training of the non-sighting eye. The second group received training with both the sighting and non-sighting eyes, individually. The third group was trained in the same manner as the second group, except that they were also trained to switch eyes during tracking trials. On the test day, a monocular full field flash was used. The volunteers were instructed to switch eyes and reacquire the target with the non-sighting eye to complete the task. Analysis of Variance for horizontal RMS error scores revealed no significant group main effect for either the sighting eye baseline or the non-sighting eye baseline. The maximum absolute error scores for Group 3 under both bright and dim ambient light conditions were significantly better than Groups 1 and 2. It was concluded that training monocular devices operators to switch from the sighting to the non-sighting eye following disruption of pursuit tracking represents a temporary solution to the debilitating effects of flash blindness. (Author).
Author : Peter A. O'Mara
Publisher :
ISBN 13 :
Total Pages : 23 pages
Book Rating : 4.:/5 (178 download)
Download or read book Chromatic Strobe Flash Disruption of Pursuit Tracking Performance written by Peter A. O'Mara and published by . This book was released on 1980 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ten men used a viscous-damped mount optical tracking system during a study of the effects of strobe flashes and ambient lighting on pursuit tracking performance. The volunteers tracked a 0.5 mrad target moving to the left or right for 15 s at a constant angular velocity of 5.0 mrad/s. A single 170 micron 0.053 sr, 538 nm strobe flash was presented at random at the rate of one flash for each five trials. The flashes produced significant increases in the standard deviations of the horizontal and vertical aiming errors under both ambient light conditions. The average maximum aiming error was 0.6 mrad during bright ambient light trials. Approximately 2 s were required to return to normal control error rates. Flashes presented during the low ambient lighting conditions produced off-scale errors (>2 mrad). Recovery times averaged 6 s for a 1 mrad target and 3 s for a 4 mrad target. This study used large retinal area strobe flashes that were an order of magnitude below permissible safe exposure levels and much lower than levels produced by military laser devices. In spite of this limitation, single 538 nm flashes produced significant disruptions of pursuit tracking performance even though the behavior of the target was predictable. The magnitude of these effects will be much greater for more intense single or multiple flashes and for targets which are engaged in unpredictable maneuvers.
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ISBN 13 :
Total Pages : 1126 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 1987 with total page 1126 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.
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ISBN 13 :
Total Pages : 218 pages
Book Rating : 4.E/5 ( download)
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1981 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1390 pages
Book Rating : 4.3/5 (91 download)
Download or read book Government Reports Annual Index written by and published by . This book was released on 1985 with total page 1390 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
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ISBN 13 :
Total Pages : 238 pages
Book Rating : 4.3/5 (91 download)
Download or read book Laser and Noncoherent Light Ocular Effects written by and published by . This book was released on 2003 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 304 pages
Book Rating : 4.3/5 ( download)
Download or read book Aerospace Medicine and Biology written by and published by . This book was released on 1986 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA).
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ISBN 13 :
Total Pages : 334 pages
Book Rating : 4.3/5 ( download)
Download or read book Administration & Management written by and published by . This book was released on 1985 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 976 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 1985 with total page 976 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 792 pages
Book Rating : 4.3/5 (91 download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1981 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 656 pages
Book Rating : 4.F/5 ( download)
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1997 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 504 pages
Book Rating : 4.3/5 (121 download)
Download or read book Proceedings of the 1980 Army Science Conference: Principal authors A through D written by and published by . This book was released on 1980 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John W. Senders
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.3/5 (91 download)
Download or read book Tracking with Intermittently Illuminated Displays written by John W. Senders and published by . This book was released on 1955 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Subjects performed a tracking task involving the simultaneous control of two indicators by the use of two controls. Their view of the indicators was periodically and simultaneously obscured. The data indicate that performance varies as a direct function of frequency and relative length of the "on" portion of the cycle.
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ISBN 13 :
Total Pages : 672 pages
Book Rating : 4.E/5 ( download)
Download or read book Bibliography of Scientific and Industrial Reports written by and published by . This book was released on 1968 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1492 pages
Book Rating : 4.:/5 (319 download)
Download or read book U.S. Government Research and Development Reports Index written by and published by . This book was released on 1968 with total page 1492 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 670 pages
Book Rating : 4.F/5 ( download)
Download or read book Government-wide Index to Federal Research & Development Reports written by and published by . This book was released on 1968 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt:
