1 to 10 of 1,227 Results
Sep 16, 1998
Meehan, T.; Duncan, C.; Dunn, C.; Spitzmesser, D.; Srinivasan, J.; Munson, T.; Ward, J.; Adams, J.; How, J., 1998, ""GPS On A Chip" -- An Advanced GPS Receiver for Spacecraft", https://hdl.handle.net/2014/20504, ['MTG: GPS-98', 'Nashville, TN, U.S.A.'], JPL Open Repository
Three years ago, facing a growing list of stringent navigation science requirements for future low-cost Earth missions, NASA began a program to develop a new high performance spaceborne GPS receiver. |
Aug 1, 1998
Bandara, S. V.; Gunapala, S. D.; Liu, J. K.; Luong, E. M.; Mumolo, J. M.; Hong, W.; Sengupta, D. K.; McKelvey, M. J., 1998, "10 - 16 mu broad-band Quantum Well Infrared Photodetector", https://hdl.handle.net/2014/20333, ['SPIE Proceedings', 'U.S.A.'], JPL Open Repository
A broad-band infrared detector, sensitive over a 10 - 16 mu m spectral range, based on GaAs/A1xGa1-xAs quantum wells grown by molecular beam epitaxy, has been demonstrated. |
Mar 16, 1999
Dengler, R.; Quintero, O.; Galin, I.; Schnitzer, C., 1999, "177-207 GHz Radiometer Front End: Single Sideband Measurements", https://hdl.handle.net/2014/17095, ['Mtg: NASA/JPL, Space Terahertz Technology Symposium', 'Charlottesville, Virginia, USA'], JPL Open Repository
This paper describes the MLS 177-207 GHz receiver front-end (RFE) and provides measured data for its lower and upper sidebands. |
Jan 1, 1999
Fu, L-L.; Cheng, B.; Qiu, B., 1999, "25-Day Period Large-Scale Oscillations in the Argentine Basin Revealed by the TOPEX/POSEIDON Altimeter", https://hdl.handle.net/2014/17876, ['Journal of Physical Oceanography', 'USA'], JPL Open Repository
The measurement of global sea surface height made by the TOPEX/POSEIDON satellite has provided the first synoptic view of large-scale oceanic variability at the intraseasonal scales from weeks to months. |
Jan 1, 1999
Jarrett, T.; Chester, T.; Cutri, R.; Schneider, S.; Skrutskie, M.; Huchra, J., 1999, "2MASS Extended Source Catalog: Overview and Algorithms", https://hdl.handle.net/2014/17750, ['Astronomical Journal', 'USA'], JPL Open Repository
The 2 Micron All-Sky Survey (2MASS)will observe over one-million galaxies and extended Galactic sources covering the entire sky at wavelenghts between 1 and 2 m. Most of these galaxies, from 70 to 80%, will be newly catalogued objetcs. |
Aug 1, 1998
Liewer, P.; Kondrashov, D.; Feynman, J.; Ruzmaikin, A., 1998, "3-D MHD Simulations of the Interaction of Magnetic Flux Tubes", https://hdl.handle.net/2014/20287, ['Astrophysical Journal', 'U.S.A.'], JPL Open Repository
The interaction of magnetic flux tubes as a source of activity is widely discussed in astrophysics. |
Jan 1, 1999
Ghaffarian, R., 1999, "3D Chip Scale Package (CSP)", https://hdl.handle.net/2014/17367, ['Book: Chip Scale Packaging for Modern Electronics', 'U.S.A.'], JPL Open Repository
Package/die stacking technology enhances most aspects of electronic systems such as size, weight, speed, yield, and power consumption. |
Jan 20, 1999
Lin, G.; Lawton, R., 1999, "3D MEMS in Standard Processes: Fabrication, Quality Assurance, and Novel Measurements Structures", https://hdl.handle.net/2014/18659, ['Measurement Science Conference (MSC)', 'Anaheim, CA, USA'], JPL Open Repository
Three-dimesional MEMS microsystems that are commercially fabricated require minimal post-processing and are easily integrated with CMOS signal processing electronics. |
Jan 26, 1999
Biswas, A.; Ceniceros, J.; Novak, M.; Jeganathan, M.; Portillo, A.; Erickson, D.; Depew, J.; Sanii, B.; Lesh, J., 1999, "45 Km Horizontal Path Optical Link Experiment", https://hdl.handle.net/2014/17043, ['SPIE, Free-Space Laser Communications', 'San Jose, CA, U.S.A.'], JPL Open Repository
Mountain-top to mountain-top optical link experiments have been initiated at JPL, in order to perform a systems level evaluation of optical communications. |
Jan 1, 1999
Gunapala, S.; Bandara, S.; Singh, A.; Liu, J.; Rafol, S.; Luong, E.; Mumolo, J.; Tran, N.; Vincent, J.; Shott, C.; Long, J.; LeVan, P., 1999, "640x486 Long-Wavelength Two-Color GaAs/AlGaAs Quantum Well Infrared Photodetector (QWIP) Focal Plane Array Camera", https://hdl.handle.net/2014/18819, ['IEEE Transactions on Electron Devices', 'USA'], JPL Open Repository
An optimized long-wavelength very long-wavelength two-color Quantum Well Infrared Photodetector (QWIP) device structure has been designed. |