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This paper addresses an accurate CAD oriented integrated closed-form model for the computation of losses for planar and non-planar slotline on a finite-thickness multilayered dielectric substrates. The analysis of the structures has been done using conformal mapping and single layer reduction (SLR) technique. The validity of the proposed integrated model is tested over wide range of parameters: 1...
Conventional sparse signal recovery algorithms for three dimensional (3D) ISAR imaging realign the received 3D sparse signals into a long 1D signal to recovery. However, this method needs a large amount of computational load and occupies huge memory. In this paper, a 3D sparse signal recovery algorithm for ISAR imging is presented. Firstly, the 3D ISAR imaging model is analyzed. Then the 3D sparse...
Numerical simulation of wave propagation in heterogeneous medium provides a fundamental tool in many inverse scattering problems. Although real data are acquired in three-dimensional (3D) world, we can still apply some approximation to simplify the model and to accelerate the computation. For example, when the data are acquired along a straight line, they are mainly sensitive to the formation in the...
Recent advances in nanotechnology of optical components allows for manufacturing of aperiodical structures patterned on a subwavelength scale that have macroscopic dimension of several hundreds or thousands wavelengths. A typical example is the so-called Cavity resonator integrated grating filter (CRIGF) that uses a resonant excitation of a waveguide mode by a dielectric grating, which is put in a...
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