6,751 to 6,760 of 6,770 Results
Mar 5, 2001
Bar-Cohen, Yoseph; Sherrit, Stewart; Bhattachary, Kaushik; Lih, Shyh-Shiuh, 2001, "Characterization of the electromechanical properties of EAP materials", https://hdl.handle.net/2014/39265, 8th Annual International Symposium on Smart Structures, Newport Beach, California, March 5-8, 2001., JPL Open Repository
Electroactive polymers (EAP) are an emerging class of actuation materials. Their large electrically induced strains (longitudinal or bending), low density, mechanical flexibility, and ease of processing offer advantages over traditional electroactive materials. However, before th... |
Feb 21, 2001
Bell, L. D.; Boer, E.; Ostraat, M.; Brongersma, M. L.; Flagad, R. C.; Atwater, H. A.; deBlauwe, J.; Green, M. L., 2001, "A radiation - tolerant, low - power non - volatile memory based on silicon nanocrystal quantum dots.", https://hdl.handle.net/2014/39583, Forum on Innovative Approaches to Outer Planet Exploration 2001-2020, Houston, Texas, February 21, 2001., JPL Open Repository
Nanocrystal nonvolatile floating-gate memories are a good candidate for space applications - initial results suggest they are fast, more reliable and consume less power than conventional floating gate memories. In the nanocrystal based NVM device, charge is not stored on a contin... |
Feb 19, 2001
Bar-Sever, Yoaz; Srinivasan, Jeff; Farrington, Allen, 2001, "From AFF to CCNT : JPL's evolving family of multifunction constellation transceivers.", https://hdl.handle.net/2014/39261, 2nd International Workshop on Satellite Constellation and Formation Flying, Haifa, Isreal, February 19, 2001., JPL Open Repository
This paper describes the profiles and requirements of the ST-3 and ST-5 missions, and discusses the unique technological challenges each of them presents. Bothe the AFF and CCNT trace their heritage to GPS receivers, using measurements of both RF carrier phase and a ranging code.... |
Feb 14, 2001
Samoska, Lorene; Radisic, Vesna; Micovic, Miro; Hu, Ming; Janke, Paul; Ngo, Catherine, 2001, "InP MMIC chip set for power sources covering 86-170 GHz", https://hdl.handle.net/2014/39434, 12th International Symposium on Space Terahertz Technology, San Diego, California, February 14-16, 2001., JPL Open Repository
We will present a Monolithic Millimeter-wave Integrated Circuit (MMIC) chip set which provides high output-power sources for driving diode frequency multipliers into the terahertz range. The chip set was fabricated at HRL Laboratories using a 0.l-μm gatelength InAI/InGaAs/InP hig... |
Jan 31, 2001
Skulsky, Eli David; Johnson, Andrew Edie; Umland, Jeff; Padgett, Curtis; Martin, Bill; Weinstein, Stacy; Wallace, Mark; Steltzner, Adam; Thurman, Sam, 2001, "Rocket sled testing of a prototype terrain-relative navigation system", https://hdl.handle.net/2014/39450, 24th Annual AAS Guidance and Control Conference, Breckenridge, Colorado, January 31 - February 4, 2001, JPL Open Repository
The next generation of Martian landers (2007 and beyond) will employ a precision soft-landing capability that will make it possible to explore previously inaccessible regions on the surface of Mars. This capability will be enabled by onboard systems that automatically identify an... |
Jan 27, 2001
Biswas, Abhijit; Wright, Malcolm W.; Sanii, Babak; Page, Norman A., 2001, "45 Km horizontal path optical link demonstrations", https://hdl.handle.net/2014/39242, SPIE Photonics West, LASE, San Jose, California, January 27, 2001., JPL Open Repository
Observations made during a mountain-top-to-mountain-top horizontal optical link demonstration are described. The optical link spans a range of 45 Km at an average altitude of 2 Km above sea level. A multi-beam beacon comprised of eight laser beams emerging from multi-mode fiber c... |
Jan 25, 2001
Srinivasan, M.; Madden-Woods, B.; Hamkins, J.; Biswas, A., 2001, "Laboratory characterization of silicon avalanche photodiodes (APD) for pulse position modulation (PPM) detection", https://hdl.handle.net/2014/39453, SPIE Photonics West, LASE, San Jose, California, January 25-27, 2001., JPL Open Repository
Two commercially available large area silicon avalanche photodiodes (APD) were characterized in the laboratory. Specifically, the response of the APD’s to a sequence of 8-bit pulse position modulated (256-PPM) laser pulses, with and without background noise, was recorded and stor... |
Jan 25, 2001
Sanii, Babak, 2001, "Atmospheric attenuation calibrations of surface weather observations", https://hdl.handle.net/2014/39440, Photonics West, Free Space Laser Communication Technologies XII: Atmospheric, San Jose, California, January 25, 2001., JPL Open Repository
A correlation between near-IR atmospheric attenuation measurements made by the Atmospheric Visibility Monitor (AVM) at the Table Mountain Facility and airport surface weather observations at Edwards Air Force Base has been performed. High correlations (over 0.93) exist between th... |
Jan 24, 2001
Stride, Scot Lloyd, 2001, "Instrument technologies for the detection of extraterrestrial intersteller robotic probes.", https://hdl.handle.net/2014/39469, SPIE Photonics West, LASE, San Jose, California, January 25-27, 2001., JPL Open Repository
In the continuing endeavor to detect evidence of ETI (Extraterrestrial Intelligence) in the solar neighborhood, instrument technologies now exist that allow the formation of a scientific method to carry out a search for interstellar robotic probes of possible extraterrestrial ori... |
Jan 17, 2001
Smith, Jeffrey H.; Wang, Yeou-Fang, 2001, "E-Scheduling the Deep Space Network", https://hdl.handle.net/2014/39433, IEEE Aerospace Conference, Big Sky, Montana, March 10-17, 2001., JPL Open Repository
This paper describes an operations concept for electronic scheduling and software interface for organizations to extract required views of the schedule. Advantages include widespread accessibility to a common schedule document, virtually instantaneous distribution of new schedule... |
