Search Results - "Gregor, J.A."

From symmetry to asymmetry: Generalizing TSP approximations by parametrization by Behrendt, Lukas, Casel, Katrin, Friedrich, Tobias, Lagodzinski, J.A. Gregor, Löser, Alexander, Wilhelm, Marcus

“…We generalize the tree doubling and Christofides algorithm to parameterized approximations for ATSP (constant factor approximations that invest more runtime…”
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Measurement of a planar discharge and its interaction with a neutral background gas by Gregor, J.A., Fernsler, R.F., Meger, R.A.

“…The evolution of a weakly ionized magnetized sheet plasma generated in 100-200 mtorr air has been investigated. A 1.2/spl times/50 cm hollow cathode imbedded…”
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Optical emissions from a planar plasma discharge by Meger, R.A., Gregor, J.A., Fernsler, R.F., Manheimer, W.M., Mathew, J., Murphy, D.P., Myers, M.C., Pechacek, R.E.

“…A planar sheet of plasma is generated by propagating a kilovolt beam of electrons produced by a hollow cathode along a magnetic field. The optical emissions…”
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Production of a sheet plasma distribution for reflection of high frequency microwaves by Meger, R.A., Fernsler, R.F., Gregor, J.A., Manheimer, W., Mathew, J., Murphy, D.P., Myers, M.C., Pechacek, R.E.

“…Summary form only given. The Agile Mirror experiment at the Naval Research Laboratory has produced a planar 60/spl times/60 cm plasma mirror capable of…”
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Plasma Microwave Mirror Experiments by Gregor, J.A., Mathew, J., Fernsler, R.F., Manheimer, W., Meger, R.A., Pechacek, R.E., Robson, A.E.

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X-band microwave beam steering using a plasma mirror by Meger, R.A., Fernsler, R.F., Gregor, J.A., Manheimer, W., Mathew, J., Murphy, D.P., Myers, M.C., Pechacek, R.E.

“…The Naval Research Laboratory has been investigating the use of a planar conductive sheet of plasma, called an Agile Mirror, as an electronically steerable…”
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Electronically steerable plasma mirror by Mathew, J., Meger, R.A., Gregor, J.A., Murphy, D.P., Pechacek, R.E., Fernsler, R.F., Manheimer, W.M.

“…Electronic steering of microwave beams using a plasma mirror allows the use of wide instantaneous bandwidth waveforms. Areas of application for a plasma mirror…”
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Power modulator for broadband agile mirror radar utilizing semiconductor switching by Myers, M.C., Fernsler, R.F., Gregor, J.A., Mathew, J., Meger, R.A., Murphy, D.P., Pechacek, R.E.

“…Power modulators have been designed which can generate fast rising, high voltage pulses up to 10 kV with arbitrary pulse widths at pulse repetition frequencies…”
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Electronically steerable plasma mirror for surveillance radar applications by Mathew, J., Meger, R.A., Gregor, J.A., Murphy, D.P., Pechacek, R.E., Fernsler, R.F., Manheimer, W.M.

“…An alternative to using a phased array to steer a radar beam is to electronically control the orientation of an inertialess broadband microwave reflector…”
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Electronically steerable plasma mirror for radar applications by Mathew, J., Meger, R.A., Gregor, J.A., Pechacek, R.E., Fernsler, R.F., Manheimer, W.M.

“…An alternative to using a phased array to steer a high frequency microwave beam is to electronically control the orientation of an inertialess broadband…”
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Coordination of Actuated Arterial Traffic Signal Systems by Jovanis, Paul P, Gregor, John A

“…Coordinated timing plans may be developed for actuated signal systems but all existing optimization methods require that each actuated signal be converted to…”
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