201 research outputs found

    Time domain data extraction, radio altimetry, and application of ATS data Quarterly report, 1 Apr. - 30 Jun. 1971

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    Meteorological research in time domain data extraction, radio altimetry, and application of ATS data as hydrological tool in remote tropical region

    Meteorological measurements, Satellite PL Quarterly report, 1 Jun. - 31 Aug. 1968

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    Development of balloon-borne miniature radio altimeter and investigation of multiple array infrared imaging from synchronous satellite

    Earth radiation budget measurement from a spinning satellite: Conceptual design of detectors

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    The conceptual design, sensor characteristics, sensor performance and accuracy, and spacecraft and orbital requirements for a spinning wide-field-of-view earth energy budget detector were investigated. The scientific requirements for measurement of the earth's radiative energy budget are presented. Other topics discussed include the observing system concept, solar constant radiometer design, plane flux wide FOV sensor design, fast active cavity theory, fast active cavity design and error analysis, thermopile detectors as an alternative, pre-flight and in-flight calibration plane, system error summary, and interface requirements

    Meteorological Measurements from Satellite Platforms

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    The stability of stochastic satellites and the stability and control of flexible satellites were investigated. The effects of random environmental torques and noises in the moments of inertia of spinning and three-axes stabilized satellites were first compared analytically by four methods and by analog simulations. Among the analytical methods, it was shown that the Fokker-Planck formulation yields predictions which most coincide with the simulation results. It was then shown that the required stability criterion of a satellite is quite different from that obtained by a deterministic approach, under the assumption that the environmental and control torques experienced by the satellite are random. Finally, it was demonstrated that, by monitoring the deformations of the flexible elements of a satellite, the effectiveness of the satellite control system can be increased considerably

    Man-Computer Interactive Data Access System (McIDAS). Continued development of McIDAS and operation in the GARP Atlantic tropical experiment

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    The complete output of the Synchronous Meteorological Satellite was recorded on one inch magnetic tape. A quality control subsystem tests cloud track vectors against four sets of criteria: (1) rejection if best match occurs on correlation boundary; (2) rejection if major correlation peak is not distinct and significantly greater than secondary peak; (3) rejection if correlation is not persistent; and (4) rejection if acceleration is too great. A cloud height program determines cloud optical thickness from visible data and computer infrared emissivity. From infrared data and temperature profile, cloud height is determined. A functional description and electronic schematics of equipment are given

    Cloud and ice in the planetary scale circulation and in climate

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    The roles of the cryosphere, and of cloud-radiative interactions are investigated. The effects clouds and ice have in the climate system are examined. The cloud radiation research attempts explain the modes of interaction (feedback) between raditive transfer, cloud formation, and atmospheric dynamics. The role of sea ice in weather and climate is also discussed. Models are used to describe the ice and atmospheric dynamics under study

    Midsummer renewal of oxygen within the hypolimnion

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    Following a very rainy period in the summer of 1950, oxygen temporarily reappeared in the hypolimnion of Lake Mendota. It is postulated that the oxygen was introduced there by density currents of cold, silt laden, well oxygenated runoff water

    Meteorological Satellite Instrumentation and Data Processing Final Scientific Report, 1958 - 1968

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    Meteorological satellite instrumentation and data processing including Tiros 4, Nimbus 2, and Explorer 7 satellite

    Short Time Variation of Temperature in Lake Mendota, Wisconsin

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    Author Institution: F. T. Stone Institute of Hydrobiology, Put-in-Bay, Ohio, and Department of Meteorology, University of Wisconsin, Madiso

    Currents in Lake Mendota, Wisconsin

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    Author Institution: F. T. Stone Institute of Hydrobiology, Put-in-Bay, Ohio, and Department of Meteorology, University of Wisconsin, Madiso
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