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In this paper, a novel and small sub-terahertz (THz) sheet beam extended interaction klystron (EIK) has been designed. With the help of a three-dimensional(3D) particle-in-cell(PIC) simulation, design and optimizing geometry of THz sheet beam EIK is performed. The interaction system consists of two dumbbell five-gap cavities, one is used for input cavity, the other is output cavity. The operating...
In this paper, a one-third triangular resonator with two electric walls and two magnetic walls is discussed as a basic resonant element to realize wideband passive circuits. The resonator is fulfilled by taking out about one-third of an isosceles or equilateral triangular resonator of the substrate integrated waveguide (SIW) version and therefore, is called as one-third-mode substrate integrated resonator...
In this paper, a compact bandpass cross-coupled substrate integrated waveguide (SIW) filter with transmission zero is proposed. Using three triangular cavities as basic elements, a bandpass filter is designed and fabricated on a single-layer substrate with the standard printed circuit boards (PCB) process. This structure gives full expression to the advantages of compact SIW triangular cavity. Not...
In this talk, some efficient methods for the electromagnetic (EM) simulation of periodic structures are reviewed, including the Method of Lines (MoL) and the Finite Difference Frequency Domain (FDFD) method for the propagation characteristic simulation of substrate integrated waveguide (SIW), and the Partial Basic Solution Vector (PBSV) based Domain Decomposition Method (DDM) for the scattering and...
Taking certain domestic highway with shallow rock stratum depth, developed Karst, short pile length of rock socketed pile and lower socketed depth as project instance, this paper further analyses on the typical pile foundation of above mentioned project, researches deeply about the effects to dynamic pile testing signal resulted by above mentioned features, and puts forward the pertinence measures...
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