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Featured researches published by Brent T. Toland.


IEEE Transactions on Antennas and Propagation | 1997

Novel three-axis beam waveguide feed for space-based millimeter-wave applications

Brent T. Toland; Alon S. Barlevy; William M. Hughes; Dan R. Johnson

A novel three-axis beam waveguide that has been developed for millimeter-wave satellite link applications is described. A breadboard model has been fabricated and RF measurements at 60 GHz have been performed. The breadboard model was equipped with adjustable mirrors and feeds to simulate component misalignments due to fabrication errors and the space environment. The effects of misalignments on system performance have been measured and results are reported and comparisons with theory are made.


Archive | 2000

Deployable phased array of reflectors and method of operation

Brent T. Toland; L. Dwight Gilger; Ronald Y. Chan; Alon S. Barlevy; Shinobu James Hamada


Archive | 1997

Dual polarization frequency selective medium for diplexing two close bands at an incident angle

Te-Kao Wu; Brent T. Toland


Archive | 1995

Three axis beam waveguide antenna

Brent T. Toland; William M. Hughes; Dan R. Johnson


Archive | 2001

Dual-band equal-beam reflector antenna system

Brent T. Toland; Youn H. Choung; Vrage Minassian; Ronald Y. Chan; James S. Hamada


Archive | 1997

Omnidirectional isotropic antenna

Brent T. Toland; Rork S. Brown; Robert L. Hart


international symposium on antenna technology and applied electromagnetics | 2002

Measured performance of a ultra broadband dual polarized scanned array of ridge elements

Brent T. Toland; K. K. Chan


Archive | 2002

Dual-band reflector antenna using dual-band feed horns and equal up-link and down-link beamwidths

Ronald Y. Chan; Youn H. Choung; James S. Hamada; Vrage Minassian; Brent T. Toland


Archive | 2002

Dualband Reflektorantenne mit Dualband Hornstrahler und gleicher Strahlbreite in der Aufwärts- und Abwärtsverbindung

Ronald Y. Chan; Youn H. Choung; James S. Hamada; Vrage Minassian; Brent T. Toland


Archive | 2001

Self-guarding monopulse antenna

Brent T. Toland

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