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pro vyhledávání: '"Walter M. Clark"'
Autor:
Lee R. Richardson, Walter M. Clark
Publikováno v:
Journal of the Society of Motion Picture and Television Engineers. 57:574-579
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6954673463a7c8d351095b0e4fc80ee3
https://doi.org/10.5594/j01221
https://doi.org/10.5594/j01221
Autor:
Walter M. Clark, Harold A. Muldoon
Publikováno v:
Infrared Physics. 4:127-136
IN THE design of a star tracking system, the radiance and spectral distribution of the daytime sky radiation at bigh altitudes are of extreme importance, These factors determine the background noise level in the star tracking subsystem and, consequen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::553f9a575a24c899e964096f1658e21a
https://doi.org/10.1016/0020-0891(64)90017-x
https://doi.org/10.1016/0020-0891(64)90017-x
Autor:
Walter M. Clark, Thomas E. Godfrey
Publikováno v:
SPIE Proceedings.
Several techniques are described for boresighting 1.06 pm designator lasers to visual, TV, and forward looking infrared (FLIR) sights. One concept can be used to boresight all three types of sights, even in flight with relative motion between the las
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d237951eb78a76a0304d36ffbd412881
https://doi.org/10.1117/12.959454
https://doi.org/10.1117/12.959454
Autor:
Walter M. Clark
Publikováno v:
Optical Engineering. 4
Photometric measurements must be related to standards of reference to have any absolute significance. This paper describes the historical background of photometric standards and the prime and secondary devices and their relation to primary lamps from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6363f3c9ff8a877e06e652eca1cefc85
https://doi.org/10.1117/12.7971322
https://doi.org/10.1117/12.7971322
Autor:
Walter M. Clark
Publikováno v:
Optical Engineering. 7
In order to measure the daytime sky radiation characteristics from 20,000 ft. to 200,000 ft., a spectrophotometer was developed to be operated in two high altitude vehicles. This paper describes the spectrophotometer, the technique of calibration, an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30f075382bff19dc0222a58643dfa79f
https://doi.org/10.1117/12.7971490
https://doi.org/10.1117/12.7971490
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