نتایج جستجو برای: electromagnetic wave polarization
تعداد نتایج: 343047 فیلتر نتایج به سال:
A general approach for the calculation of the incoherent intensity scattered by a random medium with rough boundaries has been developed using a Green function formalism. The random medium consists of spherical particles whose physical repartition is described by a pair-distribution function. The boundary contribution is included in the Green functions with the help of scattering operators whic...
In 1861 Fizeau studied transmission of polarized light through a screen with subwavelength scratches [1], and in 1888 Hertz performed similar experiments with radio waves and a grid of wires, which transmited polarized electromagnetic waves, of wavelength λ large compared to the wire spacing d, only if the electric field of the wave was perpendicular to the direction of the wires. Explain these...
Most current methods for calculating radiative transfer treat radiance errors to the point where no one has seriously light as a scalar quantity, even though it is well known that a worried about the adequacy of the scalar approximation in proper description of light requires explicit recognition of its radiative transfer modeling. Moreover, the nature of radiative electromagnetic nature. Accor...
It is shown that a charged particle can be trapped in a magnetic neutral sheet produced by the combination of a static magnetic field B 0 and an electromagnetic wave propagating perpendicularly to B0 with its magnetic field component parallel to B0. The neutral sheet as well as the trapped particle moves with the phase velocity ofthe wave and the trapped particle feels a constant force. Once th...
Abstract: Polarization converters play an important role in antennas and radar. Electromagnetic band gap materials enable manufacture of polarization converters which are : low cost, low profile, light weight and have large bandwidth. In this paper mushroom-like electromagnetic band gap materials are considered for polarization converters. The theory is reviewed. A simple design procedure is de...
The lateral shift of an optical beam undergoing Brillouin light scattering by a spin wave propagating along the interface between magnetic and dielectric media (Damon-Eshbach configuration) in total internal reflection geometry is studied theoretically. Linear quadratic magneto-optic terms polarization are taken into account. It shown that depends on ( s - or p -) state scattered electromagneti...
The e ect from polarization of emitted wave fronts on the parameter estimation ac curacy for an array composed only of sensors sensitive to just one polarization direction has not been addressed in the literature this far Antennas with such characteristics are e g dipole or scalar antennas A vector sensor on the other hand is a sen sor whose output data consists of for the electromagnetic case ...
The eeect from polarization of emitted wave fronts on the parameter estimation accuracy for an array composed only of sensors sensitive to just one polarization direction has not been addressed in the literature this far. Antennas with such characteristics are, e.g., dipole (or scalar) antennas. A vector sensor, on the other hand, is a sensor whose output data consists of, for the electromagnet...
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