Oak Ridge National Lab

Laser beam pointing stabilization using analog position-sensitive diodes...

Laser wire scanners have been used for ion beam profile and emittance measurements at the Spallation Neutron Source linear accelerator. Due to propagation distances exceeding 100 m, reliable ...
IEEE

Array Element Phase Pattern Consistency Measurement Without Phase Center Alignment Using Multielement Measurement Data and Element Positions

Abstract: Phase response consistency is an important parameter for antenna arrays. In general, phase center alignment with the geometric center of the rotating platform is necessary for antenna phase ...
IEEE

Fast Characterization of Phased-Array Elements Using Orthogonal Codes

Abstract: This article presents a fast-phased array characterization of a 5G millimeter-wave (mmWave) base station (BS). The amplitude, phase, and inter-modulation distortion of multiple antenna ...
Scientific Research Publishing

Segol, G., Pinder, G.F. and Gray, W.G. (1975) A Galerkin-Finite Element Technique for Calculating the Transient Position of the Saltwater Front. Water Resources Research, 11 ...

ABSTRACT: This study examines the level set method with reinitialization (LSMR) for monitoring the interface in saltwater intrusion problems. The governing equations consist of a parabolic equation ...