482 Evalution of Stair Step Artifact in 3D-CTA

Stair-step Patterns from Arrays

In array antennas, the shaped beams are produced either by amplitude control or phase control. In the present work, an attempt is made to produce them with the introduction of new aperture distribution without additional phase. Stair-step patterns are produced using Fourier transform method after introducing the proposed aperture distribution. The computed patterns are presented. These patterns...

Investigation of Wideband One-step Stair- Shaped Dielectric Resonator Antennas

The one-step stair-shaped dielectric resonator antennas (DRAs) with a circular cross-section are studied theoretically and experimentally in this paper. The reasons why the one-step stairshaped DRAs have a wideband performance have been investigated. It is shown in this paper that the modes excited in the one-step stairshaped DRA with circular cross-section can be regarded as pseudo HEM111 and ...

Precision Grip Control while Walking Down a Stair Step

The aim of this study was to determine whether the internal model regulating grip force (GF)/load force (LF) coordination during a brisk load increase is preserved when the lower extremities produce a perturbation during a single step-down task. We observed the coordination of the vertical ground reaction force (vGRF), GF and LF while holding a handheld object during a single step-down task. Th...

evalution of"body packer syndrome" in Kerman

placement of narcotics inside intestinal tract of passengers and their illegal transfer through police stations and customs is called body packer or body bagger syndrome.in other parts of the world transfer of cocaine by this method has been reported.this prospective study was done with the help of Anti-narcotic Agency on the transfer of opium and heroin packages from Fenruary 1996 to January 1...

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