Recent developments in beam-index color-display systems

Author(s):  
P.M. van den Avoort
2021 ◽  
Vol 240 ◽  
pp. 118462
Author(s):  
M.L.A. Letswalo ◽  
L. Reddy ◽  
A. Balakrishna ◽  
H.C. Swart ◽  
O.M. Ntwaeaborwa

Author(s):  
Kam W. Wong ◽  
Nick G. Yacoumelos

An experiment was conducted to investigate the resolution capability of TV displays in distinguishing details from line-maps and picto-maps, and to establish the relative merits of color and black-and-white TV display systems. The experimental variables included two display types, three map types, four symbol types, and three image-resolution levels. The results showed that a color display offered some advantage over a black-and-white display of equivalent effective resolution. However, a black-and-white system could provide the same performance at the expense of a slightly higher effective resolution. At an image-resolution level of nine TV-lines/mm, alphanumeric symbols were identified almost 100% correctly for all map types and display types. Area and line symbols achieved their maximum level of performance at five and seven TV-lines/mm, respectively. United States Geological Survey (USGS) 1:24,000 maps were significantly better than TOPOCOM line-maps and picto-maps.


Author(s):  
William F. Stubler ◽  
John M. O'Hara

Group-view displays present information to multiple personnel simultaneously. Recent developments in human-system interface technologies have the potential of increasing the effectiveness of group-view displays in control centers. While established human factors guidelines exist for many visual characteristics of group-view displays, limited guidance has been available regarding the functions that these display systems should provide to enhance crew performance in control room settings. This paper draws research findings from the areas of teamwork, computer-supported cooperative work, and human-computer interface design to describe four functions that group-view displays may perform to support various aspects of team performance in advanced control centers.


1979 ◽  
Vol 11 (2) ◽  
pp. 127-130 ◽  
Author(s):  
H. J. Durrett

2016 ◽  
Vol 43 (6Part8) ◽  
pp. 3400-3400
Author(s):  
T Kimpe ◽  
P Green ◽  
C Revie ◽  
M Flynn

Author(s):  
C. Colliex ◽  
P. Trebbia

The physical foundations for the use of electron energy loss spectroscopy towards analytical purposes, seem now rather well established and have been extensively discussed through recent publications. In this brief review we intend only to mention most recent developments in this field, which became available to our knowledge. We derive also some lines of discussion to define more clearly the limits of this analytical technique in materials science problems.The spectral information carried in both low ( 0<ΔE<100eV ) and high ( >100eV ) energy regions of the loss spectrum, is capable to provide quantitative results. Spectrometers have therefore been designed to work with all kinds of electron microscopes and to cover large energy ranges for the detection of inelastically scattered electrons (for instance the L-edge of molybdenum at 2500eV has been measured by van Zuylen with primary electrons of 80 kV). It is rather easy to fix a post-specimen magnetic optics on a STEM, but Crewe has recently underlined that great care should be devoted to optimize the collecting power and the energy resolution of the whole system.


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