• No results found

coplanar waveguides

Broadband transitions for membrane-based coplanar waveguides on highly-conductive silicon substrates

Broadband transitions for membrane-based coplanar waveguides on highly-conductive silicon substrates

... for coplanar waveguides used as line standards, an up to tenfold reduction in uncertainty can be achieved for certain electro- magnetic waveguide ...

6

Adaptive Neuro-Fuzzy Models for Conventional Coplanar Waveguides

Adaptive Neuro-Fuzzy Models for Conventional Coplanar Waveguides

... Abstract—In this work a new method based on the adaptive neuro-fuzzy inference system (ANFIS) was successfully introduced to determine the characteristic parameters, effective permittivities and characteristic impedances, ...

15

Multilayer Perceptron Neural Analysis of Edge Coupled and Conductor-Backed Edge Coupled Coplanar Waveguides

Multilayer Perceptron Neural Analysis of Edge Coupled and Conductor-Backed Edge Coupled Coplanar Waveguides

... Abstract—In recent years, Computer Aided Design (CAD) based on Artificial Neural Networks (ANNs) have been introduced for microwave modeling, simulation and optimization. In this paper, the characteristic parameters of ...

17

High-Frequency Modeling of Coplanar Waveguides Including Surface Roughness

High-Frequency Modeling of Coplanar Waveguides Including Surface Roughness

... Abstract. An existing analytical transmission line model to describe propagation properties of coplanar waveguides including dispersion and radiation effects was extended to take into account surface ...

7

Common-Mode Suppression in Broadside Coupled Coplanar Waveguides

Common-Mode Suppression in Broadside Coupled Coplanar Waveguides

... Past work to suppress common-mode propagation in microstrip or stripline differential transmission lines has included patterned ground structures [1–5], electromagnetic bandgap structures [6–8], periodic structures [9], ...

9

Coplanar Waveguides Incorporating Srrs or CSRRs
: a Comprehensive Study

Coplanar Waveguides Incorporating Srrs or CSRRs : a Comprehensive Study

... Abstract—We numerically and experimentally evaluate different designs of coplanar waveguides (CPWs) loaded with split ring resonators (SRRs) and complementary split ring resonators (CSRRs), respectively. In ...

13

Accurate Synthesis Formulas Obtained by Using a Differential Evolution Algorithm for Conductor-Backed Coplanar Waveguides

Accurate Synthesis Formulas Obtained by Using a Differential Evolution Algorithm for Conductor-Backed Coplanar Waveguides

... Abstract—In this paper, accurate synthesis formulas obtained by using a differential evolution (DE) algorithm for conductor-backed coplanar waveguides (CBCPWs) are presented. The synthesis formulas are ...

11

Comparison of Adaptive-Network-Based Fuzzy Inference System Models for Analysis of Conductor-Backed Asymmetric Coplanar Waveguides

Comparison of Adaptive-Network-Based Fuzzy Inference System Models for Analysis of Conductor-Backed Asymmetric Coplanar Waveguides

... Abstract—A method based on adaptive-network-based fuzzy infer- ence system (ANFIS) is presented for the analysis of conductor- backed asymmetric coplanar waveguides (CPWs). Four optimization algorithms, ...

13

Analytical Investigation of Periodic Coplanar Waveguides

Analytical Investigation of Periodic Coplanar Waveguides

... Abstract—This paper presents an analytical formula to evaluate even- and odd-mode characteristics of infinitely parallel coplanar waveguides (CPW) with the same dimensions in each CPW, given name as ...

15

Design and Modeling of RF MEMS Phase Shifters Using Various Structures of Coplanar Waveguides

Design and Modeling of RF MEMS Phase Shifters Using Various Structures of Coplanar Waveguides

... RF MEMS capacitive membrane switches have already demonstrated low loss and low parasitics at frequencies through 40 GHz. A shunt capacitive MEMS switch consists of a thin metal membrane “bridge” suspended over the ...

7

Modeling the capacitive behavior of coplanar striplines and coplanar waveguides using simple functions

Modeling the capacitive behavior of coplanar striplines and coplanar waveguides using simple functions

... The finite-width conductor-backed coplanar waveguide (FWCBCPW) in an infinite well is a specific geometry found in repeated planar structures with conductor backing. In doing research for modeling the CBICPW, it ...

78

Coplanar Metamaterial Micro-Resonator

Coplanar Metamaterial Micro-Resonator

... The materials and geometric dimensions of the multi-turn spiral (Figure 1) were determined from a study presented earlier by Nemer et al. [5], for an operating frequency in the band [1–2 GHz] (Table 1). Two ...

8

FDTD Analysis of Chiral Discontinuities in Waveguides

FDTD Analysis of Chiral Discontinuities in Waveguides

... discretizing the rearranged curl equations [12], which is different from literature [13], a leapfrog algorithm for chiral media is achieved. To validate this method, we have calculated the scattering coefficients of ...

8

Characterisation of acoustic waves in optical waveguides

Characterisation of acoustic waves in optical waveguides

... optical waveguides is an important nonlinear effect results from the coherent interactions between optical and acoustic ...sub-wavelength waveguides, such as nanowires [Dainese, ...optical ...

233

Radiation losses in dielectric optical waveguides

Radiation losses in dielectric optical waveguides

... In fig. 4c the most attractive structure for an optical fibre system is shown. Its cross-sectional dimensions are such as to allow only one bound mode to exist. This structure is appropriately known as the monomode ...

295

Optical nonlinearity in titanium dioxide waveguides

Optical nonlinearity in titanium dioxide waveguides

... The most important component in a setup for measuring FWM is a laser source with intensities that are high enough to generate detectable FWM in the sample waveguides. One powerful laser system available in the ...

87

Development of Mode Conversion Waveguides at KIT

Development of Mode Conversion Waveguides at KIT

... Abstract. The development of mode conversion waveguides (launchers) for high power gyrotrons has gone through three stages at KIT. Formerly, harmonically deformed launchers have been used in the series gyrotrons ...

5

Non-coplanar volumetric-modulated arc therapy (VMAT) for craniopharyngiomas reduces radiation doses to the bilateral hippocampus: A planning study comparing dynamic conformal arc therapy, coplanar VMAT, and non-coplanar VMAT

Non-coplanar volumetric-modulated arc therapy (VMAT) for craniopharyngiomas reduces radiation doses to the bilateral hippocampus: A planning study comparing dynamic conformal arc therapy, coplanar VMAT, and non-coplanar VMAT

... Each ncVMAT plan consisted of one coplanar arc and two non-coplanar arcs. We employed the RapidArc Sys- tem. The coplanar arc was rotated clockwise with avoid- ances sectors not to irradiate the ...

9

Photonic crystal waveguides in chalcogenide glasses

Photonic crystal waveguides in chalcogenide glasses

... percontinuum spectrum could be achieved by pumping it with 610f s laser pulses at 68W peak power and a wavelength of 1550nm. This can be com- pared with 350nm achieved in a 4.7cm silicon nanowire using 100f s pulses ...

168

Show all 331 documents...

Related subjects