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  • FROTH  (5)
  • INSTRUMENTATION AND PHOTOGRAPHY  (5)
  • 1970-1974  (10)
  • 1950-1954
  • 1
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    Reidel
    In:  Dordrecht, Reidel, vol. 20, no. 1, pp. 662-664, (ISBN: 0-8137-2385-X, 287 pp.)
    Publication Date: 1970
    Keywords: Dislocation ; Chandler wobble ; Elasticity ; Textbook of geophysics ; polar ; motion ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; FROTH ; BO, ; RUB, ; GMG: ; MB1809, ; 3.00.5
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  • 2
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    Reidel
    In:  Bull., Polar Proj. OP-O3A4, Earthquake Displacement Fields and the Rotation of the Earth, Dordrecht, Reidel, vol. 20, no. XVI:, pp. 234-245, (ISBN: 3-540-23712-7)
    Publication Date: 1970
    Keywords: Dislocation ; Earthquake precursor: prediction research ; Earthquake precursor: deformation or strain ; Earthquake precursor: stresses ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; FROTH ; BO, ; RUB, ; GMG: ; MB1809, ; 3.00.5
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  • 3
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    Reidel
    In:  Professional Paper, Earthquake Displacement Fields and the Rotation of the Earth, Dordrecht, Reidel, vol. 20, no. 16, pp. 39-42, (ISBN 0080419208)
    Publication Date: 1970
    Keywords: Dislocation ; Elasticity ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; FROTH ; BO, ; RUB, ; GMG: ; MB1809, ; 3.00.5
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  • 4
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    Reidel
    In:  Bull., Polar Proj. OP-O3A4, Earthquake Displacement Fields and the Rotation of the Earth, Dordrecht, Reidel, vol. 20, no. 4, pp. 122-135, (ISBN 0080419208)
    Publication Date: 1970
    Keywords: Dislocation ; Chandler wobble ; Elasticity ; polar ; motion ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; FROTH ; BO, ; RUB, ; GMG: ; MB1809, ; 3.00.5
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  • 5
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    Reidel
    In:  Professional Paper, Earthquake Displacement Fields and the Rotation of the Earth, Dordrecht, Reidel, vol. 20, no. 16, pp. 17-38, (ISBN 1-86239-165-3, vi + 330 pp.)
    Publication Date: 1970
    Keywords: Dislocation ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; FROTH ; BO, ; RUB, ; GMG: ; MB1809, ; 3.00.5
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  • 6
    Publication Date: 2019-06-27
    Description: A very-high resolution multispectral television camera system is being developed for NASA for use on the Earth Resources Technology Satellite (ERTS) program. There are three cameras in the system, each viewing the same area but operating in the blue-green, red and near-infrared spectral bands. In the laboratory the cameras' limiting resolution is 4500 TV lines over the 25 x 25-mm image format of the Return Beam Vidicon (RBV). Analysis of typical ERTS scenes shows that actual contrast ratios will be much lower than those of laboratory test targets. A model was developed to predict the resolving power performance of the RBV camera under realistic conditions. The methods used are applicable to all types of imaging systems. To verify the model, tests were conducted using the RBV camera, a laser-beam image reproducer and a series of AF tribar test patterns of known values of contrast. As a more graphic demonstration, simulated multispectral images were generated using color-IR photographs from Apollo 9.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Format: text
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  • 7
    Publication Date: 2019-06-27
    Description: A very high resolution multispectral television camera system has been developed for NASA for use on the Earth Resources Technology Satellite (ERTS) program. There are three cameras in the system, each viewing the same area but operating in the blue-green, red, and near-infrared spectral bands. In the laboratory the cameras' limiting resolution is 4500 TV lines over the 25 x 25-mm image format of the Return Beam Vidicon (RBV). Analysis of typical ERTS scenes shows that actual contrast ratios will be much lower than those of laboratory test targets. A model was developed to predict the resolving power performance of the RBV camera under realistic conditions. To verify the model, tests were conducted using the RBV camera, a laser-beam image reproducer and a series of AF tribar test patterns of known values of contrast. As a more graphic demonstration, simulated multispectral images were generated using color-IR photographs from Apollo 9. The measured signal-to-noise, resolution, and spectral characteristics of the ERTS Flight A and Flight B three-camera systems are presented in conclusion.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Journal of Spacecraft and Rockets; 10; Oct. 197
    Format: text
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  • 8
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    In:  Other Sources
    Publication Date: 2019-06-27
    Description: Very high performance (Hg,Cd)Te photoconductive detectors have been fabricated for use on the S-192 experiment, which is a multispectral scanner being built by Honeywell for the NASA Manned Space Center's Skylab. The S-192 will scan the earth from Skylab and record data in twelve near infrared spectral bands and one long wavelength band. These detectors demonstrate good uniformity in performance across an array. State-of-the-art fabrication techniques have been used to make detectors with good definition that are 5-10 microns thick with 25-micron spacing between elements.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Applied Optics; 11; Oct. 197
    Format: text
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  • 9
    Publication Date: 2019-07-13
    Description: A very-high resolution multispectral television camera system is being developed for use on the earth resources technology satellite (ERTS) program. There are three cameras in the system, each viewing the same area but operating in the blue-green, red, and near-infrared spectral bands. In the laboratory the cameras' limiting resolution is 4500 TV lines over the 25 + 25-mm image format of the return beam vidicon (RBV). A model was developed to predict the resolving power performance of the RBV camera under realistic conditions. To verify the model, tests were conducted using the RBV camera, a laser-beam image reproducer and a series of AF tribar test patterns of known values of contrast. As a more graphic demonstration, simulated multispectral images were generated using color-IR photographs from Apollo 9. The measured signal-to-noise, resolution, and spectral characteristics of the ERTS Flight A and Flight B three-camera systems are presented in conclusion.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: International Astronautical Federation, International Astronautical Congress; Oct 08, 1972 - Oct 15, 1972; Vienna; Austria
    Format: text
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  • 10
    Publication Date: 2019-07-13
    Description: A very-high resolution multispectral television camera system is being developed for NASA for use on the ERTS program. There are three cameras in the system, each viewing the same area but operating in the blue-green, red, and near-infrared spectral bands. In the laboratory, the cameras' limiting resolution is 4500 TV lines over the 25x25-mm image format of the return beam vidicon (RBV). Analysis of typical ERTS scenes shows that actual contrast ratios will be much lower than those of laboratory test targets. A model was developed to predict the resolving power performance of the RBV camera under realistic conditions.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Conference on Earth Resources Observation and Information Analysis Systems; Mar 13, 1972 - Mar 14, 1972; Tullahoma, TN
    Format: text
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