1–20 of 411 hits
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    Remote Attitude Sensing with Polarization-Modulated Light

    Barnard, Thomas W. / Wasserman, Julian / Schroeder, John B. | IEEE | 1972
    A system concept for remote measurement of vehicle orientation with only passive devices mounted on a vehicle is presented. Three channels ...
    Publisher: IEEE

      Remote attitude sensing with polarization-modulated light

      Barnard, T.W. / Wasserman, J. / Schroeder, J.B. | Tema Archive | 1972
      A system concept for remote measurement of vehicle orientation with only passive devices mounted on a vehicle is presented. Three channels ...

    Several Questions I Always Wanted Answered About Remote Sensing, but Didn't Know Who to Ask

    Porter, J. Robert | IEEE | 1972
    , and U.S. agencies regarding remote sensing. The difficulty in answering these questions is simply that no single view by any one of these ...
    Publisher: IEEE

    Experimental results of the remote sensing of sea-surface salinity of 21-cm wavelength

    Thomann, G.C. | Tema Archive | 1976
    The complex dielectric constant of sea water is a function of salinity at 21-cm wavelength, and sea-water salinity can be determined by a ...

    Remote sensing of atmospheric water content from satellites using microwave radiometry

    Gordy, N.C. | Tema Archive | 1976
    Analysis is presented which substantiates the high correlation achieved in relating integrated water vapor and liquid water to brightness ...

    An ocean bottom seismograph using digital telemetry and floating-point conversion

    Grant Blackinton, J. / Odegard, M.E. | Tema Archive | 1977
    crystal hydrophone output; 3) a rectified output from the same hydrophone in the 500-1500-Hz band; 4) a temperature and water current sensing ...

    Radar scatterometer discrimination of sea-ice types

    Parashar, S.K. / Haralick, R.M. / Moore, R.K. et al. | Tema Archive | 1977
    Experiments with 400-MHz and 13.3 GHz radar scatterometers indicate that these all-weather remote sensors provide some information which ...

    Remote sensing of sea state by analysis of backscattered microwave phase fluctuations

    Clifford, S.F. / Borrick, D.E. | Tema Archive | 1978
    The relative phase of a normally incident microwave signal scattered off the sea surface is a random function of space and time. The ...

    Pioneer Venus spacecraft design and operation

    Nothwang, G. J. | NTRS | 1980
    The Pioneer Venus Orbiter and Multiprobe spacecraft design and operation enabled both remote and in-situ measurements of the Venusian ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Launch Vehicles And Space Vehicles

    Pioneer Venus Overview

    Colin, Lawrence | NTRS | 1980
    A Pioneer Venus Overview is discussed. Pioneer Venus consists of two basic spacecraft: Orbiter and Multiprobe. The latter was separated ...
    Publisher: Institute of Electrical and Electronics Engineers

    Pioneer Venus Multiprobe entry telemetry recovery

    Miller, R. B. / Ramos, R. | NTRS | 1980
    unique telemetry recovery approaches on the ground. The result was double redundancy, use of spectrum analyzers to aid in rapid acquisition of ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Space Communications, Spacecraft Communications, Command And Tracking

    Ultimate IR Horizon Sensor

    Jain, Y. K. / Alex, T. K. / Kalakrishnan, Babu | IEEE | 1980
    for future remote sensing and meteorological satellites. The different sources of error in a horizon sensor are analyzed. The accuracy of the ...
    Publisher: IEEE

    Onboard Attitude Error Computation for Automatic Spin Axis Control of Bhaskara

    Goel, P.S. / Padmanabhan, P. / Murugesan, S. et al. | IEEE | 1980
    The Indian experimental remote sensing satellite, Bhaskara, uses two horizon crossing sensors mounted at 45° and 135° with respect to spin ...
    Publisher: IEEE

      Onboard attitude error computation for automatic spin axis control of Bhaskara

      Goel, P.S. / Padmanabhau, P. / Murugesau, S. et al. | Tema Archive | 1980
      The indian experimental remote sensing satellite, Bhaskara, uses two horizon crossing sensors mounted at 45deg and 135deg with respect to ...

    The gradient magneto-telluric method at the sea floor

    Moose, P.H. | Tema Archive | 1981
    The magneto-telluric method is a technique used to estimate earth resistivity profiles and can theoretically be implemented either by ...

    The impact of WARC-79 on space applications

    Kiebler, J. W. / Kimball, H. G. | NTRS | 1981
    applications. Space research and earth-exploration satellite services are discussed, taking into account remote sensing, spectrum requirements ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Space Communications, Spacecraft Communications, Command And Tracking

    Orbital and Attitude Prediction Accuracy Requirements for Satellites Engaged in Remote Sensing and Scientific Missions

    Kumar, K. | IEEE | 1982
    in a previous paper by the author. The present paper extends the analysis to the satellites engaged in remote sensing and scientific missions ...
    Publisher: IEEE

    A tutorial assessment of atmospheric height uncertainties for high-precision satellite altimeter missions to monitor ocean currents

    Goldhirsh, J. / Rowland, J.R. | Tema Archive | 1982
    A large body of information from a number of sources is brought together and an error budget is deduced giving the projected overall height ...

    The application of near-nadir deltak radar techniques to geodetic altimetry and oceanographic remote sensing

    Miller, L.S. | Tema Archive | 1983
    Examines the extension of two-frequency, or deltak, near-nadir remote sensing techniques to off-nadir radar altimetry. A different approach ...

    Spectroradiometric calibration of the thematic mapper and multispectral scanner system

    Palmer, J. M. / Slater, P. N. | NTRS | 1983
    IEEE Transactions on Geoscience and Remote Sensing. ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Earth Resources And Remote Sensing

    The information content of synthetic aperture radar images of terrain

    Frost, V. S. / Shanmugan, K. S. | NTRS | 1983
    A statistical model is developed that portrays an imaging radar as a noisy communication channel with multiplicative noise, and the model ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Earth Resources And Remote Sensing

    Ambiguities in spaceborne synthetic aperture radar systems

    Li, F. K. / Johnson, W. T. K. | NTRS | 1983
    An examination of aspects of spaceborne SAR time delay and Doppler ambiguities has led to the formulation of an accurate method for the ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Earth Resources And Remote Sensing