نتایج جستجو برای: high electric field

تعداد نتایج: 2779783  

2009
Markus Zahn

Electricfield distributions measured using the Kerr effect cause a phase,shift between light components polarized parallel and perpendicular to the electric field, proportional to the magnitude sqyared of the electric field components in the plane perpendicdar to light propagation integrated over the light path length. One wishes to recover the electric field distribution from m4asurements of l...

2008
A. ISARAMONGKOLRAK T. KULWORAWANICHPONG P. PAO-LA-OR

This paper proposes a mathematical model of electric fields caused by high voltage conductors of electric power transmission systems by using a set of second-order partial differential equations. This study has considered the effect of conductor phase-sequence orientation on electric fields emitted around a doublecircuit, extra high-voltage, power transmission line. Six typical-used phase-seque...

2004
P. Janhunen A. Olsson H. Laakso

Abstract. The aim of the paper is to study how auroral potential structures close at high altitude. We analyse all electric field data collected by Polar on auroral field lines in 1996–2001 by integrating the electric field along the spacecraft orbit to obtain the plasma potential, from which we identify potential minima by an automatic method. From these we estimate the associated effective ma...

2009
Malay Bandyopadhyay

The effect of an externally applied high frequency oscillating electric field on the critical nucleation field of superconductivity in the bulk as well as at the surface of a superconductor is investigated in details in this work. Starting from the linearized time dependent Ginzburg-Landau (TDLG) theory and using the variational principle we have shown the analogy between a quantum harmonic osc...

2011
Neil Gershenfeld

This thesis addresses the problem of recovering three-dimensional location and shape information from measurements made with Electric Field Sensors. A single sensor functions as a proximity detector; two can be used as a mouse; three allow tracking of the hand in three dimensions, and each additional sensor allows us to extract additional shape information. The ultimate goal of this work is to ...

1995
Stephen A. Benton

This thesis addresses the problem of recovering three-dimensional location and shape information from measurements made with Electric Field Sensors. A single sensor functions as a proximity detector; two can be used as a mouse; three allow tracking of the hand in three dimensions, and each additional sensor allows us to extract additional shape information. The ultimate goal of this work is to ...

2014
F. F. Mende

Is proposed the new method of investigating the thermophysical and structural characteristics of materials and models, based on the measurement of electrostatic pour on, appearing with the heating or mechanical loads. Exists a large quantity of diagnostic methods of the study of the properties of materials and models. But from the view of researchers thus far slipped off the very promising meth...

2011
K. Kalyanasundaram K. Arunachalam

Design and fabrication of a low cost sensor for measuring electric field over a broad range of electromagnetic (EM) frequency is presented. The electric field probe consists of an electrically short dipole antenna and diode detector connected to an instrumentation amplifier via a high impedance line. The rectified diode voltage is conveyed over the high impedance line for real time data acquisi...

2016
Takashi Kikuchi Kumiko K. Hashimoto

The solar wind energy is transmitted to low latitude ionosphere in a current circuit from a dynamo in the magnetosphere to the equatorial ionosphere via the polar ionosphere. During the substorm growth phase and storm main phase, the dawn-to-dusk convection electric field is intensified by the southward interplanetary magnetic field (IMF), driving the ionospheric DP2 currents composed of two-ce...

2015
Suyashree P Bhonsle Christopher B Arena Daniel C Sweeney Rafael V Davalos

BACKGROUND For electroporation-based therapies, accurate modeling of the electric field distribution within the target tissue is important for predicting the treatment volume. In response to conventional, unipolar pulses, the electrical impedance of a tissue varies as a function of the local electric field, leading to a redistribution of the field. These dynamic impedance changes, which depend ...

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