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2,881 to 2,890 of 2,910 Results
Jun 1, 2004
Treuhaft, Robert N.; Law, Beverly E.; Asner, Gregory P., 2004, "Forest attributes from radar interferometric structure and its fusion with optical remote sensing", https://hdl.handle.net/2014/40842, BioScience, Vol. 54 No. 6, June 2004, doi: 10.1641/0006-3568(2004)054, JPL Open Repository
The possibility of global, three-dimensional remote sensing of forest structure with interferometric synthetic aperture radar (InSAR) bears on important forest ecological processes, particularly the carbon cycle. InSAR supplements two-dimensional remote sensing with information i...
May 20, 2004
Sekanina, Zdenek; Chodas, Paul W., 2004, "Fragmentation hierarchy of bright sungrazing comets and the birth and orbital evolution of the Kreutz system. I. Two-superfragment model", https://hdl.handle.net/2014/39288, The Astrophysical Journal, 607:620–639, 2004 May 20, DOI: 10.1086/383466, JPL Open Repository
A back-and-forth orbit integration technique, developed for our previous investigation of the splitting of the parent of the sungrazers C/1882 R1 and C/1965 S1, is now applied in an effort to understand the history and orbital evolution of the Kreutz sungrazer system, starting wi...
Mar 1, 2004
Qiu, Yueming; Uhl, David, 2004, "Self-assembled InAsSb quantum dots on (001) InP substrates", https://hdl.handle.net/2014/40905, Applied Physics Letters, Volume 84, Number 9, 1 March 2004 DOI: 10.1063/1.1655690, JPL Open Repository
Self-assembled InAsSb quantum dots (QD) on (001) InP substrates have been grown using metalorganic vapor phase epitaxy. The dot density and size are found to be strongly dependent on the presence of arsine. Direct deposition of InSb on InP and GaSb substrates formed large islands...
Feb 8, 2004
Williams, Kenneth E., 2004, "Wild 2 approach maneuver strategy for Stardust spacecraft", https://hdl.handle.net/2014/37415, UNKNOWN, JPL Open Repository
Stardust will return samples of dust from comet Wild 2 to be collected during an encounter in January 2004. Approach to Wild 2 will be performed with a number of trajectory correction maneuvers following a period of solar conjunction ending in early October 2003.
Jan 8, 2004
Ksendzov, A.; Homer, M. L.; Manfreda, A. M., 2004, "Integrated optics ring-resonator chemical sensor with polymer transduction layer", https://hdl.handle.net/2014/39287, Electronics Letters 8th January 2004 Vol. 40 No.1, doi: 10.1049/el:20040062, JPL Open Repository
An integrated optics chemical sensor based on a ring resonator with an ethyl cellulose polymer coating has been demonstrated. The measured sensitivity to isopropanol in air is 50 ppm-the level immediately useful for health-related air quality monitoring. The resonator was fabrica...
Jan 4, 2004
Pannuti, Thomas, 2004, "A Chandra observation of the nearby sculptor group Sd Galaxy NGC 7793", https://hdl.handle.net/2014/37420, UNKNOWN, JPL Open Repository
No abstract provided
Jan 4, 2004
Wachter, Stefaanie; Frayer, D.; Padgett, D.; Masci, F.; Henderson, D.; Latter, W., 2004, "Data reduction pipeline for MIPS", https://hdl.handle.net/2014/37412, UNKNOWN, JPL Open Repository
No abstract provided
Jan 1, 2004
Okong'o, Nora A.; Bellan, Josette, 2004, "Consistent large-eddy simulation of a temporal mixing layer laden with evaporating drops : Part 1. Direct numerical simulation formulation and a priori analysis", https://hdl.handle.net/2014/40829, Journal of Fluid Mechanics, Vol. 499, pg. 1-47, 2004, DOI: 10.1017/S0022112003007018, JPL Open Repository
This paper is organized as follows. In § 2, we present the DNS formulation. This formulation consists of a set of coupled conservation equations for the gas phase and the liquid phase (i.e. the drops). The coupling describing the interaction between the two phases is provided in...
Dec 20, 2003
Sahai, Raghvendra; Kastner, Joel H.; Frank, Adam; Morris, Mark; Blackman, Eric G., 2003, "X-ray emission from the pre–planetary Nebula Henize 3-1475", https://hdl.handle.net/2014/40954, The Astrophysical Journal Letters, 599:L87–L90, 2003 December 20, JPL Open Repository
We report the first detection of X-ray emission in a pre–planetary nebula, He 3-1475. Pre–planetary nebulae are rare objects in the short transition stage between the asymptotic giant branch (AGB) and planetary nebula evolutionary phases, and He 3-1475, characterized by a remarka...
Dec 15, 2003
Jamnejad, Vahraz, 2003, "A study of near to far fields of JPL Deep Space Network (DSN) antennas for RFI analysis", https://hdl.handle.net/2014/41560, Aerospace Conference, 2004. Proceedings. 2004 IEEE, pg 975-986 Vol. 2, DOI:10.1109/AERO.2004.1367698, JPL Open Repository
This paper addresses the issue of calculating the gain and power distribution of DSN antennas in the Fresnel (middle zone) and Fraunhofer (far zone) as a function of the distance from the DSN antenna and the off-boresight angle. Calculating the near and mid fields of DSN antennas...
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