Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Lucilia Lamers"'
Autor:
Charles Baylis, Lucilia Lamers, Matthew Fellows, Joseph Barkate, Robert J. Marks, Lawrence Cohen, Alexander Tsatsoulas, Sarvin Rezayat
Publikováno v:
IEEE Transactions on Aerospace and Electronic Systems. 55:182-191
Reconfigurable transmitter power amplifiers will be necessary in future cognitive radar systems to allow adjustment in operating frequency, spectral output, and other desired operating characteristics while maintaining performance. Circuit optimizati
Autor:
Ed Viveiros, Sarvin Rezayat, Christopher Kappelmann, Abigail Hedden, Zachary Hays, John Penn, Matthew Fellows, Robert J. Marks, Charles Baylis, Lucilia Lamers
Publikováno v:
IEEE Transactions on Aerospace and Electronic Systems. 55:160-169
Future radar transmitters will need to be able to quickly reconfigure their radio-frequency circuitry to change operating frequency and spectral output while maintaining high power-added efficiency (PAE). In this paper, fast tuning of a tunable-varac
Publikováno v:
IEEE Transactions on Aerospace and Electronic Systems. 52:2906-2916
In the future real-time optimization of reconfigurable radar transmitter power amplifiers, a typical optimization would seek the highest power-added efficiency (PAE) possible under constraints on adjacent-channel power ratio and delivered power. This
Autor:
John Penn, Ed Viveiros, Abbas Semnani, Dimitrios Peroulis, Charles Baylis, Lucilia Lamers, Christopher Kappelmann, Mohammad Abu Khater, Zachary Hays
Publikováno v:
RWS
A fast interval-halving search is demonstrated that can be used to optimize power-amplifier load impedance in real-time with a high-power evanescent-mode cavity tuner, consisting of two evanescent-mode resonant cavities. The power-added efficiency is
Autor:
Eric Walden, Christopher Kappelmann, Robert J. Marks, Sarvin Rezayat, Ali M. Darwish, Zachary Hays, Ed Viveiros, John Penn, Austin Egbert, Matthew Fellows, Abigail Hedden, Charles Baylis, Lucilia Lamers
Publikováno v:
2017 IEEE 18th Wireless and Microwave Technology Conference (WAMICON).
For future adaptive radio and radar transmission in a dynamic spectrum access environment, the radio-frequency circuitry will be need to be reconfigurable to allow adjustment of the operating frequency and the transmission spectrum in a congested env
Autor:
Charles Baylis, Lucilia Lamers, Sarvin Rezayat, Zachary Hays, John Penn, Ali M. Darwish, Christopher Kappelmann, Robert J. Marks, Abigail Hedden, Edward Viveiros, Matthew Fellows, Matthew Flachsbart, Jennifer Barlow
Publikováno v:
RWS
Fast load impedance tuning of a varactor diode matching network to maximize amplifier gain in real-time reconfigurable circuitry is demonstrated. A published tunable varactor-diode matching topology is designed for operation at 1.3 GHz to provide sig
Autor:
Robert J. Marks, Alexander Tsatsoulas, Charles Baylis, Lucilia Lamers, Sarvin Rezayat, Lawrence Cohen, Matthew Fellows, Joseph Barkate
Publikováno v:
2016 IEEE Radar Conference (RadarConf).
The ability of radar and communication applications to share the radio spectrum will require the use of innovative agile circuit techniques for radar and communications. Reconfigurable circuits can provide real-time adjustment of operating frequency