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Silicon and germanium are waveguide core materials for Si-based Group-IV integrated photonic circuit applications in the mid-infrared (MIR) wavelength range defined here as 2 to 15 um. In particular, Si and Ge are transparent up to 8 and 15 μm respectively, thus offering applications in communications and the sensing of biochemical, medical, and environmental variables [1]. The major problem with...
A kind of wideband differential bandpass filters on the multimode slotline resonator has been proposed. In virtue of the hybrid microstrip/slotline structures, the common mode (CM) signals can be intrinsically rejected in the topology. Multiple modes of the slotline resonator are excited to construct the wideband passband in differential-mode (DM). Further, a novel design method has been deduced based...
Recent years have seen a large number of efficient analytical and numerical techniques for exact calculations of rough surface and target composite scattering. In this paper, an efficient hybrid method combining physical optics (PO) with physical optics (PO) is used to research on the electromagnetic (EM) scattering from a PEC target above a dielectric sea surface, and the scattering of a static target...
In this paper a new method based on Compressive Sensing (CS) and the Method of Moment (MoM) is proposed and validated to efficiently analyze bistatic scattering problems. In the new method, the integral equation of the bistatic scattering problems is firstly discretized into its matrix form by MoM. Then the voltage vector is treated as a 1-D complex signal. And the current induced by the incident...
A radar interference suppression technique based on spectrum notching and compressive sensing (CS) data recovery is addressed. Intuitively, the interference can be cancelled by notching the corrupted frequency band. However, the discontinuous (notched) spectrum data will cause the range sidelobe to significantly increase. Thus, we propose to first notch the interference in frequency domain and then...
For implantable applications, the wireless communication link between implanted devices and external apparatus are often realized by separate links, the power link and the data link. Due to the possible close distance between the power link and the data link, the performance of each will be affected. This study aims to investigate the interference between power link and data link immersed in human...
In this paper, a novel non-quasi-static table-based model has been developed for advanced Gallium Nitride (GaN) Schottky barrier diodes, which are widely used in current RF energy harvesting and wireless power transmission (WPT) applications. This novel table-based model can be simply built based on the measured S-parameters and I–V characteristics of these GaN diodes. In contrast with many complicated...
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