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Träfflista för sökning "WFRF:(Thornton John) srt2:(1997-1999)"

Sökning: WFRF:(Thornton John) > (1997-1999)

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1.
  • Mahiey, S, et al. (författare)
  • A Broadband Frequency Tripler for SIS Receivers
  • 1998
  • Ingår i: Ninth International Symposium on Space Terahertz Technology. ; , s. 481-491
  • Konferensbidrag (refereegranskat)abstract
    • Considerable success has recently been gained in the design and production of high powered frequency triplers incorporating Schottky varactor diodes. The design approach that was used for this goal has now been turned to the design of fixed tuned, broadband frequency triplers specifically intented for use in SIS receivers.The tripler reported here makes the use of a Heterostructure Barrier Varactor or HBV. A waveguide circuit has been designed that provides more than 50µW of output power for an input power of 10mW over a frequency range of 250 - 300GHz completely fixed tuned and without the need for bias.Further modification of the waveguide circuit should extend the useful fixed tuned bandwidth to greater than 100GHz centered at 300GHz.
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2.
  • Thornton, Jeff W., et al. (författare)
  • Residential vertical geothermal heat pump system models : calibration to data
  • 1997
  • Ingår i: Technical and symposium papers presented at the 1997 annual meeting. - Atlanta, Ga. : American Society of Heating, Refrigerating, and Air-Conditioning Engineers. ; , s. 660-674
  • Konferensbidrag (refereegranskat)abstract
    • A detailed component-based simulation model of a geothermal heat pump system has been calibrated to monitored data taken from a family housing unit located at Fort Polk, Louisiana. The simulation model represents the housing unit, geothermal heat pump, ground heat exchanger, thermostat, blower, and ground-loop pump. Each of these component models was "tuned" to better match the measured data from the site. These tuned models were then interconnect to form the system model. The system model was then exercised in order to demonatrate its capabilities.
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