223
223
May 6, 2010
05/10
by
Stroud, W. G
texts
eye 223
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No Abstract Available
Topics: GEOPHYSICS, METEOROLOGICAL PARAMETERS, TIROS SATELLITES
42
42
Mar 31, 2017
03/17
by
Impact Journals
texts
eye 42
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ABSTRACT During the month of January 2017, the region of São José dos Campos, SP, Brazil, was affected by abnormal rainfalls of twice the historical average recorded in this place. However in the month of February of 2017 this same region suffered very high temperatures and very low presence of rains. In that period the intensity of natural γ- radiation between 200 keV-10.0 MeV at a fixed altitude of 25 meters above the ground with a sampling intervals of 1 minute. In the same place was...
Topics: KEYWORDS: Rainfall, Gamma Radiation, Meteorological Parameters
Ships producing tracks in the atmosphere are identified and their surface meteorological parameters are specified. Thirteen case studies are presented with satellite imagery, synoptic discussion and surface meteorological parameters. A composite \"environment\" is derived from reported surface meteorological parameters and is compared with climatological conditions of the region, showing that significant departures from normal conditions do not occur. No clear generation mechanism is...
Topics: Meteorology, Surface meteorological parameters, Remote sensing, Ship tracks
315
315
Jun 21, 2010
06/10
by
NON
texts
eye 315
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Mariner Mars 1971 spacecraft instrument and system development and tests
Topics: ATMOSPHERIC ELECTRICITY, LIGHTNING, METEOROLOGICAL PARAMETERS, PHENOMENOLOGY, SPHERES, THUNDERSTORMS
179
179
May 31, 2011
05/11
by
Schwabacher, Mark; Langley, Pa
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eye 179
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This paper describes how we used regression rules to improve upon a result previously published in the Earth science literature. In such a scientific application of machine learning, it is crucially important for the learned models to be understandable and communicable. We recount how we selected a learning algorithm to maximize communicability, and then describe two visualization techniques that we developed to aid in understanding the model by exploiting the spatial nature of the data. We...
Topics: SCIENTIFIC VISUALIZATION, WEATHER, METEOROLOGICAL PARAMETERS, FLIGHT CONDITIONS, AIRSPEED, ROUTES
325
325
Jul 10, 2010
07/10
by
BARTELS, P
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THEORETICAL AND EXPERIMENTAL NEAR AND FAR FIELD NOISE STUDIES ON THE DO 31 V/STOL JET TRANSPORT AIRCRAFT ARE PRESENTED IN UPDATED FORM. PARTICULAR SIGNIFICANCE IS ALSO ATTACHED TO THE REDUCTION IN NOISE WHICH THE DO 31 HAS ALREADY MADE POSSIBLE AT EXISTENT AIRPORTS AND THE PROBLEMS OF NOISE AND NOISE ABATEMENT ASSOCIATED WITH PRESENT AND FUTURE V/STOL DESIGNS. THE V/STOL AIRCRAFT'S FLEXIBILITY IN THE SELECTION OF FLIGHT PROCEDURES ALLOWS IT TO ADAPT WELL TO LOCAL CONDITIONS. THIS IS IMPORTANT...
Topics: ATMOSPHERIC MODELS, RADIOSONDES, METEOROLOGICAL PARAMETERS, TABLES (DATA), WEATHER STATIONS
250
250
May 6, 2010
05/10
by
Hoidale, M. M
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eye 250
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Launching of aerobee nasa 4.82 gg - meteorological data and ballistic studies
Topics: AEROBEE ROCKET VEHICLE, BALLISTICS, METEOROLOGICAL PARAMETERS, AEROBEE ROCKET, BALLISTICS
1,523
1.5K
Jul 6, 2010
07/10
by
Schappell, R. T.; Salis, M. L.; Mueller, R.; Best, L. E.; Bradt, A. J.; Harrison, R.; Burrell, J. H
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A market survey and evaluation of inertial guidance systems (inertial measurement units and digital computers) were made. Comparisons were made to determine the candidate systems for use in the Scout launch vehicle. Error analyses were made using typical Scout trajectories. A reaction control system was sized for the fourth stage. The guidance hardware to Scout vehicle interface was listed.
Topics: CLIMATOLOGY, METEOROLOGICAL PARAMETERS, SATELLITE OBSERVATION, DATA PROCESSING, WEATHER FORECASTING
264
264
Jun 1, 2010
06/10
by
Hoidale, M. M
texts
eye 264
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Meteorological data for launching of Aerobee NASA 4.56 GG rocket
Topics: AEROBEE ROCKET VEHICLE, FORMULATIONS, METEOROLOGICAL PARAMETERS, AEROBEE ROCKET, METEOROLOGY
469
469
May 6, 2010
05/10
by
Hoidale, M. M
texts
eye 469
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Meteorological & ballistic data for launching of aerobee rocket
Topics: AEROBEE ROCKET VEHICLE, BALLISTICS, METEOROLOGICAL PARAMETERS, AEROBEE ROCKET, BALLISTICS,...
628
628
Jun 21, 2010
06/10
by
LUKYANOV, A. N., et al
texts
eye 628
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SIGNALS OF HUMAN OPERATOR STATE IN MAN MACHINE SYSTEMS
Topics: AIRLINE OPERATIONS, COST EFFECTIVENESS, VISIBILITY, AIR TRAFFIC CONTROL, METEOROLOGICAL PARAMETERS
301
301
Jun 1, 2010
06/10
by
Kamaldina, I. I
texts
eye 301
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Relation of storm and shower observations detection data to meteorological data
Topics: DETECTION, METEOROLOGICAL PARAMETERS, METEOROLOGY, STORMS, WEATHER, DETECTION, METEOROLOGY, SHOWER,...
291
291
May 27, 2011
05/11
by
Spakowski, Adolph E
texts
eye 291
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The thermal stability of unsymmetrical dimethylhydrazine was investigated in a static system simulating conditions in an almost-empty fuel tank. The self-ignition temperature and spontaneous decomposition temperature of the pure fuel were determined at atmospheric pressure to be 454 and 740 F. respectively, with the larger (740 F) value, obtained in an inert atmosphere of nitrogen, representing the minimum temperature that would cause a rapid exothermic reaction. The addition of 40 weight...
Topics: METEOROLOGICAL PARAMETERS, COSMIC RAYS, ARTIFICIAL SATELLITES, INTERNATIONAL GEOPHYSICAL YEAR,...
202
202
Jun 21, 2010
06/10
by
Pollock, J. T. A.; Wald, F
texts
eye 202
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Weightless solidification of multicomponent superconducting systems in space laboratory
Topics: ACTINOMETERS, ARTIFICIAL SATELLITES, COMPUTER PROGRAMS, DATA PROCESSING, METEOROLOGICAL PARAMETERS,...
229
229
Jul 6, 2010
07/10
by
ZUYEV, V. Y
texts
eye 229
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LASER SOUNDING OF THE ATMOSPHERE IS DISCUSSED AS A GOOD PROSPECTIVE METHOD FOR FORECASTING WEATHER AND FOR DETERMINING LEVELS OF ATMOSPHERIC POLLUTION. AN EXPLANATION OF THE METHOD IS PROVIDED, WITH EXAMPLES DRAWN FROM EXPERIENCE IN DETERMINING THE LOCATIONS AND CONCENTRATIONS OF WATER VAPOR, SODIUM VAPOR AND NITROGEN. A PLEA IS MADE THAT THE TECHNIQUE AND EQUIPMENT BE MORE VIGOROUSLY DEVELOPED.
Topics: DATA ACQUISITION, GROUND TRUTH, METEOROLOGICAL PARAMETERS, MICHIGAN, EREP, SKYLAB PROGRAM, WEATHER
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261
Jul 11, 2010
07/10
by
MEKHED, G. N
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A REVIEW IS PRESENTED OF STUDIES DEALING WITH THE STRENGTH CHARACTERISTICS OF A CLASS OF MATERIALS WHICH ARE COMPOSED OF TWO OR MORE MACRO- OR MICRO-COMPONENTS DIFFERENT IN SHAPE AND COMPOSITION, INSOLUBLE IN EACH OTHER BUT FIRMLY BONDED WITH EACH OTHER IN THE COMBINED MATERIAL. THE MATERIALS INCLUDE LAMINAR COMPOSITIONS, COMPOSITIONS CONSISTING OF PARTICLES WITH OR WITHOUT BINDERS, FIBER COMPOSITES WITH OR WITHOUT BINDERS, FLAKE-FILLED COMPOSITES WITH BINDERS, AND COMPOSITES WITH A SKELETON...
Topics: ATMOSPHERIC CIRCULATION, METEOROLOGICAL PARAMETERS, PLANETARY ATMOSPHERES, ASTRONOMY, ATMOSPHERIC...
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235
Jul 11, 2010
07/10
by
NON
texts
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The data management for a spacecraft radar was defined in terms of an end-to-end data system, which performs the following three functions: (1) sampling and compaction of data onboard the spacecraft, (2) manipulation of radar data on the ground and (3) conversion of radar measurements to geophysical quantities by means of pattern recognition and other machine techniques. Data processing for imaging radar onboard the spacecraft was examined with the conclusion that several techniques can be used...
Topics: METEOROLOGICAL RADAR, RAINSTORMS, SUMMER, CALIBRATING, CLIMATOLOGY, METEOROLOGICAL PARAMETERS,...
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290
Jul 10, 2010
07/10
by
HONNEF, H
texts
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A WINDPOWERED ELECTRICAL GENERATOR IS REPORTED THAT CONSISTS OF TWO COUNTER-ROTATING WHEELS, ONE BEING THE ARMATURE AND THE OTHER BEING THE FIELD. MEANS OF COMPENSATING FOR VARYING WIND SPEED ARE DESCRIBED.
Topics: ARIZONA, METEOROLOGICAL PARAMETERS, OBSERVATORIES, ANNUAL VARIATIONS, GRAPHS (CHARTS), TABLES...
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214
Jun 21, 2010
06/10
by
Putre, H. A
texts
eye 214
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Turbulent coaxial flow analysis for predicting fuel mass in reactor cavity
Topics: ATMOSPHERIC ATTENUATION, FLIGHT HAZARDS, METEOROLOGICAL PARAMETERS, VISIBILITY, COLLISION...
574
574
Jun 3, 2011
06/11
by
Hakun, Claef; Budinoff, Jason; Brown, Gary; Parong, Fil; Morell, Armand
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This paper describes the development of the Boresight Adjustment Mechanism (BAM) for the Geoscience Laser Altimeter System (GLAS) Instrument. The BAM was developed late in the integration and test phase of the GLAS instrument flight program. Thermal vacuum tests of the GLAS instrument indicated that the instrument boresight alignment stability over temperature may be marginal. To reduce the risk that GLAS may not be able to meet the boresight alignment requirements, an intensive effort was...
Topics: AIRCRAFT DESIGN, VORTICES, WAKES, AIRSPACE, METEOROLOGICAL PARAMETERS, VERTICAL DISTRIBUTION,...
257
257
May 30, 2011
05/11
by
Comiso, Josefino C.; Steffen, Konra
texts
eye 257
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Large changes in the sea ice cover have been observed recently. Because of the relevance of such changes to climate change studies it is important that key ice concentration data sets used for evaluating such changes are interpreted properly. High and medium resolution visible and infrared satellite data are used in conjunction with passive microwave data to study the true characteristics of the Antarctic sea ice cover, assess errors in currently available ice concentration products, and...
Topics: BINARY DATA, FORECASTING, METEOROLOGICAL PARAMETERS, DATA ACQUISITION, LATITUDE, LONGITUDE,...
228
228
Jun 21, 2010
06/10
by
Getchell, D. E.; Korabowski, J. J.; Marroni, M. A., Jr
texts
eye 228
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Design and development of flexible joint for pressure suits
Topics: CYCLONES, TURBULENT FLOW, VORTICES, CLOUDS (METEOROLOGY), METEOROLOGICAL PARAMETERS, METEOROLOGICAL...
316
316
May 30, 2011
05/11
by
Lewis, Raymond A
texts
eye 316
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Techniques were developed for trapping normal matter in the High Performance Antiproton Trap (HiPAT). Situations encountered included discharge phenomena, charge exchange and radial diffusion processes. It is important to identify these problems, since they will also limit the performance in trapping antimatter next year.
Topics: DATA ACQUISITION, METEOROLOGICAL PARAMETERS, SURFACE TEMPERATURE, CARBON DIOXIDE, WATER VAPOR, FLUX...
49
49
Dec 2, 2016
12/16
by
Impact Journals
texts
eye 49
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Groundwater storage becomes an important phenomenon in the current century throughout the entire globe. Basically, groundwater is the water stored deep beneath the earth's surface in underground aquifers and it is less vulnerable to pollution than surface water. Thus, it is an essential source for drinking water. But today, severe decline in water table due to anthropogenic activities becomes a critical problem particularly in the metropolitan cities with high population density. This water...
Topics: FAO56 Penman-Monteith Method, Groundwater Storage, Meteorological Parameters, Rainwater Harvesting,...
191
191
Jul 11, 2010
07/10
by
NON
texts
eye 191
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FOR HIGH EARTH SATELLITES, THE SPECTRAL PRESENTATION FOR ANGLES OF ORIENTATION HAS COMPARATIVELY LARGE TERMS OF THE THIRD AND FOURTH POWER. SINCE IN ORIENTED MOTION THE SATELLITE, PROVIDED WITH A DAMPER, IS UNDER CONDITIONS OF FORCED OSCILLATION, THEN EVEN THE APPROXIMATING FORMULAS FOR THE ANGLES OF ORIENTATION CAN HAVE LARGE COEFFICIENTS WITH HARMONICS OF THE THIRD AND FOURTH POWER. RESEARCH CONDUCTED SHOWS THAT THE USE OF APPROXIMATING TRIGONOMETRIC POLYNOMIALS OF HIGH POWERS ALSO REQUIRES...
Topics: CLIMATOLOGY, METEOROLOGICAL PARAMETERS, SWITZERLAND, AIR POLLUTION, ATMOSPHERIC TEMPERATURE, SNOW,...
316
316
Jun 21, 2010
06/10
by
Trout, O. F., Jr
texts
eye 316
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Structural sealing problems and leakage rates of lightweight simulated spacecraft air lock under high vacuum
Topics: APPROACH INDICATORS, FLIGHT RULES, INSTRUMENT LANDING SYSTEMS, SAFETY FACTORS, METEOROLOGICAL...
176
176
Sep 20, 2010
09/10
by
NON
texts
eye 176
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A CO2 atmosphere or any other oxygen bearing gas is converted to a high-purity O2 supply by in-letting a flow of CO2 from the atmosphere into a closed container, which is equipped with a means for creating a glow discharge or other method for dissociation in proximity to a permeable silver membrane kept at a temperature between about 400 and 800 C. A glow discharge is created to dissociate the CO2 to form a partial pressure of atomic and molecular oxygen. The oxygen produced is allowed to...
Topics: CLIMATE, CLIMATE CHANGE, METEOROLOGICAL PARAMETERS, PREDICTION ANALYSIS TECHNIQUES, WEATHER...
341
341
Jul 10, 2010
07/10
by
GURSHTEYN, A. A
texts
eye 341
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THE SCIENTIFIC ACHIEVEMENTS OF THE SOVIET UNION IN SPACE RESEARCH SINCE 1957 ARE DESCRIBED. THE OPERATION OF THE LUNOKHOD SPACECRAFT ON THE SURFACE OF THE MOON IS DISCUSSED, AND THE GEOLOGICAL-MORPHOLOGICAL DATA OBTAINED ARE ITEMIZED.
Topics: CLOUD COVER, COSMOS SATELLITES, METEOROLOGICAL PARAMETERS, INFRARED RADIATION, MICROWAVE...
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268
Jul 6, 2010
07/10
by
Lew, H. G
texts
eye 268
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An analytical study of the theory of ignition and burning of a plastic material immersed in an atmosphere of a space cabin which may be subjected to gravity force changes is considered. The hazardous condition in a space cabin environment where the changes of gravity may effect the combustion process is evaluated. The model considered the analysis of the coupled gas and solid phases and is based on the premise that material heating leads to the formation of pyrolysis gases from the decomposed...
Topics: ATMOSPHERIC COMPOSITION, METEOROLOGICAL PARAMETERS, SUPERSONIC FLIGHT, ATMOSPHERIC CIRCULATION,...
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304
Jul 6, 2010
07/10
by
Reller, J. O., Jr.; Reddy, N. M
texts
eye 304
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In the electric-arc-heated shock tunnel, the facility performance over a range of shock Mach numbers from 7 to 19 was evaluated. The efficiency of the arc-heated driver is deduced using an improved form of the shock tube equation. A theoretical and experimental analysis is made of the tailored-interface condition. The free stream properties in the test section, with nitrogen as the test gas, are evaluated using a method based on stagnation point, heat transfer measurements.
Topics: ATMOSPHERIC HEATING, EUROPEAN SPACE PROGRAMS, METEOROLOGICAL PARAMETERS, TURBULENT FLOW,...
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219
May 29, 2011
05/11
by
Schneider, Nicholas M
texts
eye 219
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This document is the final report for NASA Grant NAG5-4615, 'Satellie Atmosphere and Io Torus Observations', Nicholas M. Schneider, P.I., awarded to the University of Colorado, 8/l/97-3/31/00. The grant was originally awarded to Dr. Doyle T. Hall, who left the University of Colorado before the completion of the project. Io is the most volcanically active body in the solar system, and it is embedded deep within the strongest magnetosphere of any planet. This combination of circumstances leads to...
Topics: HYDROLOGY, WATER VAPOR, METEOROLOGICAL PARAMETERS, SURFACE TEMPERATURE, WINTER, LAKES, DATA...
611
611
Jul 11, 2010
07/10
by
Leonov, A. A.; Lebedev, V. I
texts
eye 611
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Psychological compatibility among crew members of an interplanetary ship is examined under the conditions of group isolation, the extended effect of weightlessness on human mental processes, the effect of sensory and information starvation on the appearance of unusual mental states, emotional stress, and the rhythm of working and rest.
Topics: CLEAR AIR TURBULENCE, METEOROLOGICAL PARAMETERS, SYNOPTIC METEOROLOGY, MOUNTAINS, RAWINSONDES,...
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280
Jul 6, 2010
07/10
by
Suit, W. T.; Williams, J. L
texts
eye 280
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Flight-test data have been used to extract the longitudinal aerodynamic parameters of a vectored-thrust aircraft. The results show that deflecting the thrust past 15 has an effect on the pitching-moment derivatives and tends to reduce the static stability. The trend toward reduction in the longitudinal stability also been noted by the pilots conducting the flight tests.
Topics: AIRCRAFT LANDING, PILOT PERFORMANCE, VISUAL PERCEPTION, FLIGHT SAFETY, HUMAN FACTORS ENGINEERING,...
The influence of the atmosphere on nadir directed signal associated with satellite altimeters are examined. Frequencies at 6, 13.5, and 35 GHz are selected so as to provide a parameter study. Uncertainties are summarized in both existing and proposed techniques which establish ionospheric and tropospheric height corrections. The error summary thus gives values describing the best you can do in height resolution (as dictated by atmospheric parameters) for a satellite borne altimeter system. The...
Topics: NASA Technical Reports Server (NTRS), METEOROLOGICAL PARAMETERS, OCEAN CURRENTS, RADIO ALTIMETERS,...
413
413
May 6, 2010
05/10
by
Lai, David; Delisi, Donal
texts
eye 413
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NorthWest Research Associates (NWRA) has developed an inverse model for inverting landing aircraft vortex data. The data used for the inversion are the time evolution of the lateral transport position and vertical position of both the port and starboard vortices. The inverse model performs iterative forward model runs using various estimates of vortex parameters, vertical crosswind profiles, and vortex circulation as a function of wake age. Forward model predictions of lateral transport and...
Topics: TIDES, SEA LEVEL, OCEANOGRAPHIC PARAMETERS, HYDROGRAPHY, DISASTERS, TOPOGRAPHY, OCEAN CURRENTS,...
641
641
Jul 9, 2010
07/10
by
YEH Y. M
texts
eye 641
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The Schottky barrier solar cell is considered a possible candidate for converting solar to electrical energy both for space and terrestrial applications. Knowledge of the optical constants of the ultrathin metal film used in the cell is essential for analyzing and designing higher efficiency Schottky barrier cells. The optical constants of 7.5 -nm (75-A) gold films on gallium arsenide have been obtained. In addition, the absolute collection efficiency of Schottky barrier solar cells has been...
Topics: INFRARED ASTRONOMY, METEOROLOGICAL PARAMETERS, CLOUD COVER, ELECTROMAGNETIC NOISE, SKY BRIGHTNESS,...
332
332
Jul 9, 2010
07/10
by
Wolfe, R. R
texts
eye 332
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Results are presented of the assessment of the space transportation system as it applies to future space program planning. Comparisons are given between space servicing and ground refurbishment of payloads. Mission characterization, logistic vehicle options, and payload design options are also discussed.
Topics: AGRICULTURE, WINTER, CROP GROWTH, METEOROLOGY, U.S.S.R., WEATHER FORECASTING, CORN, METEOROLOGICAL...
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201
May 22, 2011
05/11
by
Ruyten, Wilhelmus M.; Keefer, Denni
texts
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We report the results of spectroscopic measurements on the exhaust plume from a 1 kW NASA Lewis arcjet, operated on simulated ammonia. The strongest emission features consist of the Balmer lines of atomic hydrogen and a number of vibration-rotation bands of the NH radical. From the spectral data, we calculate a heavy particle temperature of about 3000 K at the exit plane, and an electron temperature of 0.30 eV. Measurements of the spatial distribution of these emission features are presented...
Topics: MEASURING INSTRUMENTS, SPACE SHUTTLES, WIND EFFECTS, WIND MEASUREMENT, WIND VELOCITY, MECHANICAL...
The collection of meteorological, oceanographic, and ice data by Nimbus-6 from floating platforms is briefly described.
Topics: NASA Technical Reports Server (NTRS), METEOROLOGICAL PARAMETERS, NIMBUS 6 SATELLITE, CLIMATOLOGY,...
A program (PARAM) is described which enables a user to compare the values of meteorological parameters derived from data obtained by the scanning multichannel microwave radiometer (SMMR) instrument on NIMBUS 7 with surface observations made over the ocean. The input to this program is a data base, also described, which contains the surface observations and coincident SMMR data. The evaluation of meteorological parameters using SMMR data is done by a user supplied subroutine. Instruments are...
Topics: NASA Technical Reports Server (NTRS), ALGORITHMS, COMPUTER PROGRAMS, DATA BASES, METEOROLOGICAL...
228
228
Jul 5, 2010
07/10
by
KONDRATYEV, K. Y.; ROMANTEYEV, N. F.; SMOKTIY, O. I.; KHRUNOV, Y. V
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THE AIRGLOW LAYER OBSERVED BY THE SPACECRAFT SOYUZ 5 IS DESCRIBED. THE USE OF THE AIRGLOW LAYER FOR NAVIGATIONAL PURPOSES IS POSTULATED ON THE BASIS OF SOYUZ 5, SOYUZ 9, AND ROCKET MEASUREMENTS.
Topics: CATEGORIES, HURRICANES, METEOROLOGICAL PARAMETERS, TORNADOES, FUJITA METHOD, SEA STATES, WIND...
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800
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Progress on Deep Space Network (DSN) supporting research and technology is presented, together with advanced development and engineering, implementation, and DSN operations of flight projects. The DSN is described. Interplanetary and planetary flight projects and radio science experiments are discussed. Tracking and navigational accuracy analysis, communications systems and elements research, and supporting research are considered. Development of the ground communications and deep space...
Topics: AIR POLLUTION, ATMOSPHERIC HEAT BUDGET, METEOROLOGICAL PARAMETERS, REMOTE SENSORS, GREENHOUSE...
234
234
Jun 18, 2010
06/10
by
Hoidale, M. M
texts
eye 234
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Meteorological and ballistic tables for Aerobee NASA 4.165 UA
Topics: AEROBEE ROCKET VEHICLE, BALLISTIC TRAJECTORIES, METEOROLOGICAL PARAMETERS, METEOROLOGY, NEW MEXICO,...
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61
Jun 18, 2010
06/10
by
Hoidale, M. M
texts
eye 61
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Tables of meteorological and ballistic data for launch of Aerobee rocket
Topics: AEROBEE ROCKET VEHICLE, BALLISTICS, LAUNCHING, METEOROLOGICAL FLIGHT, METEOROLOGICAL PARAMETERS,...
Results of the data which were acquired, reduced, and analyzed from the Communications Link Characterization Experiment (CLCE) while utilizing the CTS satellite are presented. The test data obtained from the stations consisted of the results of various TV tests, attenuation and rain rate data. An additional meteorological parameter was measured and it consists of the back scatter returns of the multifrequency weather radar.
Topics: NASA Technical Reports Server (NTRS), COMMUNICATIONS TECHNOLOGY SATELLITE, LINKS, METEOROLOGICAL...
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243
Jul 9, 2010
07/10
by
CARRER, A
texts
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AN ELECTRIC CIRCUIT IS DESCRIBED COMPRISING TWO DIRECT CURRENT MACHINES AND ONE THREE-PHASE SYNCHRONOUS OR AN ASYNCHRONOUS INDUCTION MACHINE SUITABLE FOR TRANSFORMING AND FEEDING THE ENERGY FROM THE WIND INTO A THREE-PHASE CONVENTIONAL ELECTRIC POWER NETWORK.
Topics: ELECTRIC GENERATORS, WINDMILLS (WINDPOWERED MACHINES), WINDPOWERED GENERATORS, ENERGY CONVERSION,...
264
264
Apr 30, 2010
04/10
by
Jedlovec, Gar
texts
eye 264
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Many different approaches have been used to automatically detect clouds in satellite imagery. Most approaches are deterministic and provide a binary cloud - no cloud product used in a variety of applications. Some of these applications require the identification of cloudy pixels for cloud parameter retrieval, while others require only an ability to mask out clouds for the retrieval of surface or atmospheric parameters in the absence of clouds. A few approaches estimate a probability of the...
Topics: SATELLITE IMAGERY, ATMOSPHERIC SCATTERING, DETECTION, METEOROLOGICAL PARAMETERS, CLOUDS...
Source: http://hdl.handle.net/2060/20100002807
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The author has identified the following significant results. Results from snowmelt model were obtained showing the decreasing changes in snow depth for four elevational ranges in the Chena River Basin. This model is based on the energy balance of the snowpack and the results are shown on attached figures. Also, the measured hydrographs for two stations on the Chena River are shown. The next phase of the study will be to analyze the model using both ERTS-1 imagery and measured field values.
Topics: GEOMORPHOLOGY, METEOROLOGICAL PARAMETERS, MICROWAVE RADIOMETERS, NIMBUS 5 SATELLITE, OCEANOGRAPHY,...
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193
Jul 9, 2010
07/10
by
STEIN, D
texts
eye 193
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THE DESIGNS OF VARIOUS WIND POWER PLANTS IN DENMARK ARE DISCUSSED. PRICE LISTS FOR THE PLANTS ARE GIVEN ALONG WITH PRICES FOR DIRECT CURRENT GENERATORS FOR WIND POWER PLANTS.
Topics: ELECTRIC POWER, WINDMILLS (WINDPOWERED MACHINES), WINDPOWERED GENERATORS, ENERGY CONVERSION, ENERGY...
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427
May 31, 2011
05/11
by
Sackheim, Robert L.; Ryan, Richard; Threet, E
texts
eye 427
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A never-ending major goal for the Space Shuttle program is to continually improve flight safety, as long as this launch system remains in operational service. One of the options to improve system safety and to enhance vehicle performance as well, that has been seriously studied over the past several decades, is to replace the existing strap-on four segment solid rocket boosters (SRB's) with more capable units. A number of booster upgrade options have been studied in some detail, ranging from...
Topics: ATMOSPHERIC MOISTURE, TROPOSPHERE, MICROWAVE IMAGERY, VERTICAL DISTRIBUTION, WATER VAPOR,...
