Browsing JPL TRS 1992+ by Title

Now showing items 26603-26622 of 36386

Putting it all together: software planning, estimating and assessment for a successful project

Kurtz, T.; Feather, M. S. (2000-11-20)

This paper describes a coherent approach and accompanying tool support that addresses the challenges of large software efforts.
Putting the Social Back in Social Media

Smith, Stephanie L. (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2019, 2019-08-27)
PV reliability development lessons from JPL's Flat Plate Solar Array Project

Ross, Ronald G. Jr (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013, 2013-06-16)

Key reliability and engineering lessons learned from the 20-year history of the Jet Propulsion Laboratory’s Flat-Plate Solar Array Project and thin film module reliability research activities are presented and analyzed. ...
PV reliability development lessons from JPL's flat plate solar array project

Ross, R.G. Jr. (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013, 2013-06-17)
PV Technology for Low Intensity, Low Temperature (LILT) Applications

Stella, Paul M.; Pool, Frederick S.; Nicolet, Marc A.; Iles, Peter A. (1994-12-05)

As a result of the recent NASA emphasis on smaller, lower cost space missions, PV is now being considered for a number of missions operating at solar distances of 3 AU or greater. In the past, many of these missions would ...
PVM Support for Clusters

Springer, P. (2000-11-04)

The latest version of PVM (3.4.3) now contains support for a PC cluster running Linux, also known as a Beowulf system. A PVM user of a computer outside the Beowulf system can add the Beowulf as a single machine.
PyCraft: A unifying multibody dynamics algorithm development workbench

Ziegler, John; Abhinandan, Jain (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2005., 2005-08)
PYRAMID: an object-based library for parallel unstructured adaptive mesh refinement

Norton, C. D.; Lou, J. Z.; Cwik, T. A. (2001-09-09)
Pyroshock simulation systems: are we correctly qualifying flight hardware for pyroshock environments?

Kolaini, Ali R.; Nayeri, Reza; Kern, Dennis L. (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2009, 2009-10-12)

There are several methods of shock testing that are commonly used by the aerospace industry to qualify flight hardware to pyroshock environments. In some cases the shock results and in particular the shock response spectra ...
Pyroshock testing of the Multi-Mission Radioisotope Thermoelectric Generator (MMRTG)

Woerner, David; Fleurial, Jean-Pierre; Bennett, Russell; Hammel, Tom; Otting, William (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2012., 2013-02-25)

The Mars Science Laboratory (MSL) Multi-Mission Radioisotope Thermoelectric Generator, or MMRTG, was developed by the Department Of Energy to a set of requirements from multiple NASA mission concepts. Those concepts included ...
Pyrotechnic Devices Flight Failure History, Reliability Issues, and Current Needs

Krasich, Milena (1995-12)
Pyrotechnic devices, shock levels and their applications

Chang, K. Y. (2002-07-08)
Pyrotechnically actuated gas generator utilizing aqueous methanol

Thompson, Nathaniel B.; Karp, Ashley C.; Gallon, John C.; Tanner, Christopher L. (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2015, 2015-03-30)

A gas-generating device was developed to supplement the ram-air inflation of a supersonic ballute.
Pyrotechnically actuated gas generator utilizing aqueous methanol

Thompson, Nathaniel; Karp, Ashley C.; Gallon, John; Tanner, Christopher (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2015, 2015-03-30)
Python I, II, and III CMB Anisotropy, Measurement Constraints on Open and Flat-A CDM Cosmogonies

Ganga, K.; Rocha, G.; Stompor, R.; Ratra, B.; Platt, S.; Sugiyama, N.; Gorski, K. (1999)

We use Python I, II, and III cosmic microwave background anisotropy data to constrain cosmogonies.
Q-PCR based bioburden assessment of drinking water throughout treatment and delivery to the International Space Station

Newcombe, David; Stuecker, Tara; La Duc, Myron; Venkateswaran, Kasthuri (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2005.', 2005-07-11)

Previous studies indicated evidence of opportunistic pathogens samples obtained during missions to the International Space Station (ISS). This study utilized TaqMan quantitative PCR to determine specific gene abundance in ...
Q4 – A CubeSat Mission to Demonstrate Omnidirectional Optical Communications

Velazco, Jose E; Sanchez de la Vega, Jaime (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2020, 2020-03-07)

We are proposing a technology demonstration mission for JPL’s Inter-Satellite Optical Communicator (ISOC). The ISOC has the potential to enable up to 1 Gbps data rates over a distance up to 200 km in free space. Key features ...
QAWG - SmallSat discussion

Sheldon, D.J. (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2018, 2018-03-15)
QCD spectrometer and arrays Progress Report

Echternach, P.M.; Bradford, C. M.; Reck, T.; Alonso, M.; Hayton, D. (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2018, 2018-09-13)
QFD Application to a Software - Intensive System Development Project

Tran, T. L. (1996-08-20)

This paper describes the use of Quality Function Deployment (QFD), adapted to requirements engineering for a software-intensive system development project, and sysnthesizes the lessons learned from the application of QFD ...

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