67 research outputs found

    Detail design specification for enhancement of the automatic status and tracking system software

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    There are no author-identified significant results in this report

    Preliminary design specification for the LANDSAT Imagery Verification and Extraction System (LIVES)

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    As-built design specification for LACIE phase 3 automatic status and tracking system

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    PDP 11/45 LACIE phase 11/111 automatic status and tracking system functional design specification

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    Detailed requirements document for common software of shuttle program information management system

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    Common software was investigated as a method for minimizing development and maintenance cost of the shuttle program information management system (SPIMS) applications while reducing the time-frame of their development. Those requirements satisfying these criteria are presented along with the stand-alone modules which may be used directly by applications. The SPIMS applications operating on the CYBER 74 computer, are specialized information management systems which use System 2000 as a data base manager. Common software provides the features to support user interactions on a CRT terminal using form input and command response capabilities. These features are available as subroutines to the applications

    Phenomena associated with the acceleration of polarized protons in circular accelerators

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    A series of machine studies has been done with the zero Gradient Synchrotron (ZGS) at Argonne National Laboratory in order to better understand the phenomena associated with the acceleration of polarized protons and to determine the feasibility of acceleration to energies higher than the 12 GeV/c available at the ZGS. We also investigated the question of how long polarized protons can remain in storage rings without losing excessive polarization.The three topics investigated were: 1. The adiabatic crossing of an intrinsic depolarizing resonance. 2. The depolarization due to imperfection resonances. 3. The survival time of polarization on a long flattop.This paper is a preliminary report of these three investigations.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/87334/2/396_1.pd

    Simultaneous measurement of 2 and 3 spins in proton proton elastic scattering at 6 GeV/c

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    The elastic cross section for proton proton scattering at 6 GeV/c was measured using a 70% polarized beam and a 75% polarized target at the Argonne ZGS. In the range P[perpendicular]2 = 0.5 --> 2.0(GeV/c)2 we obtained small error measurements for the [short up arrow][short up arrow], [downwards arrow][downwards arrow] and [short up arrow][downwards arrow] initial spin states perpendicular to the scattering plane. At P[perpendicular]2 = 0.5 we also measured the recoil spin and found that the 5 different cross sections were very unequal.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/22271/1/0000710.pd

    Attributes of mesoscale convective systems at the land-ocean transition in Senegal during NASA African Monsoon Multidisciplinary Analyses

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    In this study we investigate the development of a mesoscale convective system (MCS) as it moved from West Africa to the Atlantic Ocean on 31 August 2006. We document surface and atmospheric conditions preceding and following the MCS, particularly near the coast. These analyses are used to evaluate how thermodynamic and microphysical gradients influence storms as they move from continental to maritime environments. To achieve these goals, we employ observations from NASA African Monsoon Multidisciplinary Analyses (NAMMA) from the NASA S band polarimetric Doppler radar, a meteorological flux tower, upper-air soundings, and rain gauges. We show that the MCS maintained a convective leading edge and trailing stratiform region as it propagated from land to ocean. The initial strength and organization of the MCS were associated with favorable antecedent conditions in the continental lower atmosphere, including high specific humidity (18 g kg ), temperatures (300 K), and wind shear. While transitioning, the convective and stratiform regions became weaker and disorganized. Such storm changes were linked to less favorable thermodynamic, dynamic, and microphysical conditions over ocean. To address whether storms in different life-cycle phases exhibited similar features, a composite analysis of major NAMMA events was performed. This analysis revealed an even stronger shift to lower reflectivity values over ocean. These findings support the hypothesis that favorable thermodynamic conditions over the coast are a prerequisite to ensuring that MCSs do not dissipate at the continental-maritime transition, particularly due to strong gradients that can weaken West African storms moving from land to ocean
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