sir,i want ppt of cylindrical high performance resonating antenna ....etc

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Can we distinguish between dielectric property at low and high frequancy? ....etc

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Combined aerodynamic and electrostatic atomization of dielectric
liquid jets




Abstract

The electrical and atomization performance of a
plane–plane charge injection atomizer using a dielectric
liquid, and operating at pump pressures ranging from 15 to
35 bar corresponding to injection velocities of up to 50 m/s,
is explored via low current electrical measurements, spray
imaging and phase Doppler anemometry. The work is
aimed at understanding the contribution of electrostatic
charging relevant t ....etc

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A TALK ON DIELECTRIC RELAXATION



INTRODUCTION OF DIELECTRIC


A dielectric is an electrical insulator that can be polarized by an applied electric field.

When a dielectric is placed in an electric field, electric charges do not flow through the material, as in a conductor, but only slightly shift from their average equilibrium positions causing dielectric polarization.

Because of dielectric polarization, positive charges are displaced toward the field and negative ch ....etc

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An antenna is defined by Oxford Dictionary as ? a usually metallic device for radiating or receiving radio waves ?. The IEEE Standard Definitions of terms for Antennas ( IEEE Std 145-1973) defines the antenna or aerial as ? a means for radiating or receiving radio waves ?. In other words the antenna is the transitional structure between free-space and a guiding device. The guiding device or transmission line may take the form of a coaxial line or a hollow pipe (wave guide) and it is used to transport electromagnetic energy from the transmitting ....etc

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I need material on above mentioned topic i.e electrical heating,methods and applications
plz send me ....etc

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Hello.
How to calculate cylindrical parameters by theory purpose?
In short give me idea on cylindrical DRA design steps. ....etc

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why their is an abrupt incrase in dielectric loss after it satures a high frequency? ....etc

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Abstract
The need of low-loss substrate materials with stable dielectric performances over a wide frequency range is a strong
requirement when working at millimeter frequencies, where standard dielectric substrates exhibit prohibitive losses. In
this contribution, the authors focus their attention on a polymer material, the benzocyclobutene (BCB), having a low
dielectric constant equal to 2.65, and a low loss tangent, equal to 0.0008 at 1 GHz, with a stable dielectric behavior
over a broad frequency range, up to THz. The use of BCB ....etc

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....etc

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