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Electromagnetic Wave Propagation, Radiation, and Scattering
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TLDR
In this article, the fundamental field equations of wave propagation in homogeneous and layered media waveguides and cavities have been studied, including the effects of a dipole on the conducting earth, inverse scattering radiometry, and interferometry numerical techniques.Abstract:
Fundamental field equations waves in homogeneous and layered media waveguides and cavities Green's functions radiation from apertures and beam waves periodic structures and coupled mode theory dispersion and anisotropic media antennas, apertures and arrays scattering of waves by conducting and di-electric objects waves in cylindrical structures, spheres and wedges scattering of complex objects geometric theory of diffraction and low fequency techniques planar layers, strip lines, patches and apertures radiation from a dipole on the conducting earth, inverse scattering radiometry, noise temperature and interferometry numerical techniques.read more
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Time-reversal imaging of objects near rough surfaces based on surface flattening transform
TL;DR: In this paper, the authors considered the near-surface imaging by making use of time-reversal imaging and surface flattening transform, which converted the rough surface problem into flat surface with inhomogeneous random medium.
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SAR Calculations of Novel Wearable Fractal Antenna on Metamaterial Cell for Search and Rescue Applications
TL;DR: In this article, a multiband wearable fractal antenna suitable for GPS, WiMax and WiFi (Bluetooth) applications is presented. But the proposed wearable antenna may be attached to human body, so the specific absorption ratio (SAR) must be calculated.
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Free of speckle ultrasound images of small tissue structures.
TL;DR: By using the Born approximation deconvolved inverse scattering method instead of the traditional pulse-echo method for analyzing ultrasound pulse reflections from plastic phantoms and soft tissue specimens, improvement in image resolution is shown to be possible provided these targets are fair approximations to layered media.
Journal ArticleDOI
Application of the thin-shell formulation to the numerical modeling of Stern layer in biomolecular electrostatics.
TL;DR: The thin‐shell formulation is applied to efficiently modeling the Stern layer within computational algorithms oriented toward the boundary element solution of the linearized Poisson–Boltzmann equation, with a significant impact on computational time and memory requirements when modeling large biomolecules.
Proceedings ArticleDOI
Curvature effects in ocean surface scattering
TL;DR: The model is capable of describing the expected dependency on polarization, incidence angle, and wind field with minimal restrictions in terms of range of validity and comparison of polarization ratio shows good agreement between the model and measurements from the Envisat ASAR instrument.