Browsing JPL TRS 1992+ by Title

Now showing items 36267-36286 of 36386

X 2000/Europa Orbiter Project Avionics Briefing: Introduction

Clark, K. (2001-06-06)
X- Hab challenge : students in the critical path

Howe, A. Scott (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2012., 2012-05-22)

The eXploration Habitat (X-Hab) Academic Innovation Challenge follows a non-typical format for university student competitions. Rather than provide a realistic simulated mission for the students to perform, the X-Hab ...
X- to Ka- Band Cryogenic LNA Module for Very Long Baseline Interferometry

Fung, Andy; Samoska, Lorene; Bowen, James; Montanez, Steve; Kooi, Jacob; Soriano, Melissa; Jacobs, Christopher; Manthena, Raju; Hoppe, Daniel; Akgiray, Ahmed; Lai, Richard; Mei, Xiaobing; Barsky, Michael (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2020, 2020-06-21)

We report a new result of a packaged low noise amplifier (LNA) module with wide bandwidth of 5 to 35 GHz with low noise temperature performance of 10 - 18 K, while operated at 10 K ambient. The LNA used 3-stages of sub-50 ...
X-Band Antenna Remoting for the NASA Deep Space Network

Yao, X.; Lutes, G.; Logan, R.; Maleki, L. (1994-01-18)
X-band PN Delta DOR Signal Design and Implementation on the JPL Iris Transponder

Towfic, Zaid J.; Voss, Thaddaeus J.; Shihabi, Mazen M.; Border, James S. (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2019, 2019-03-02)
X-Band Ultra-Low Noise Maser Amplifier Performance

Glass, G.; Johnson, D.; Ortiz, G. (1993-05-16)

Noise temperature measurements of an 8440 MHz ultra-low noise maser amplifier (ULNA) have been performed at sub-atmospheric, liquid helium temperatures. The traveling wave maser operated while immersed in a liquid helium ...
X-cut Cosmic Shear

Taylor, Peter L (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2020, 2020-11-02)
An X-ray and Optical Investigation of the Starburst-driven Superwind in the Galaxy Merger Arp 299

Armus, L.; Weaver, K.; Wang, J.; Heckman, T. (1998-11-11)

We present a detailed investigation of the X-ray and optical properties of the starburst-merger system Arp299(NGC 3690, Mrk 171), with an emphasis on its spectacular gaseous nebula.
X-ray counts and contribution to the XRB of an IR selected sample of starburst and active galaxies

Poletta, M. Del Carmen; Lonsdale, C. J.; Xu, C.; Wilkes, B. J. (2002-09-04)
X-ray Emission from Charge Exchange of Highly Charged Ions in Atoms and Molecules

Chutjian, A.; Greenwood, J.; Smith, S.; Williams, I. (2000-07-30)
X-ray emission from charge exchange of highly-charged ions in atoms and molecules

Greenwood, J. B.; Williams, I. D.; Smith, S. J.; Chutjian, A. (2000-11-27)

Charge exchange followed by radiative stabilization are the main processes responsible for the recent observations of X-ray emission from comets in their approach to the Sun. A new apparatus was constructed to measure, ...
X-ray emission from charge exchange of highly-charged ions in atoms and molecules

Chutjian, A.; Greenwood, J. B.; Smith, S. J.; Williams, I. D. (2000-07-10)
X-ray emission from charge exchange of highly-charged ions in atoms and molecules

Chutjian, A.; Greenwood, J. B.; Smith, S. J.; Williams, I. D. (2000-07-30)
X-ray Emission From Electron Capture by Highly-Charged Ions

Chutjian, A.; Greenwood, J.; Williams, I.; Smith, S. (2000-11-01)
X-ray emission from the pre–planetary Nebula Henize 3-1475

Sahai, Raghvendra; Kastner, Joel H.; Frank, Adam; Morris, Mark; Blackman, Eric G. (The American Astronomical Society, 2003-12-20)

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 ...
The X-ray Evidence that the 51 Peg Companion is a Planet

Pravdo, Steve (1996)

51 Pegasi is a nearby G2-3 V star, which is similar to the Sun. Observers have recently detected and confirmed that 51 Pegasi has sinusoidal radial velocity variations with a period of 4.2 days and amplitude of 59 m/s. ...
X-Ray Exposure of Electron-Deposited Photoresist for Conformal Lithography on Corrugated Surfaces

Hartley, F.; Malek, C.; Nguyen, S. (1998-02-22)

Proximity printing using synchrotron X-ray lithography provides high resolution pattern transfer with large depth of field, low diffraction effects and no reflection from the substrate. Electro-plating of photo-resist ...
X-ray Imaging Applied to Problems in Planetary Materials

Jurewicz, A. J. G.; Mih, D. T.; Jones, S. M.; Connolly, H. (2000-03-13)
The x-ray luminosities of Herbig-Haro objects

Velazquez, A. C.; Noriega-Crespo, P. F.; Raga, A. (2002)

We find that our analytic model reproduces the observed X-ray luminosity of HH 2, and we propose that HH 80/81 is a good candidate for future observations with Chandra.
X-ray Photoelectron Spectroscopy Studies of Chemically-Etched High Temperature Superconductor Surfaces

Vasquez, R.P. (1993-03)

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