The use of digital filtering techniques for the simulation of fine features in emc problems solved in the time domain

Paul, J.; Podlozny, V.; Christopoulos, C.

doi:10.1109/temc.2003.810810

Cited by 31 publications

(10 citation statements)

References 21 publications

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“…As reported in [2], since the mutual coupling between the openings and the lattice arrangement are taken into account in the admittance of the wall, the results are more accurate than that of the traditional circuit model of [1]. The theoretical results are in a very good agreement with the measurements reported in [16] for an array of small circular holes. For square apertures, the SE of this model is compared with the generalized modal method of moments (GMMoM) technique results.…”

Section: Introductionsupporting

confidence: 73%

“…Fig. 6 depicts the SE from this model, measurements [16] and the TLM [16]. As illustrated, the results of this method are in better agreement with measurements than TLM predictions.…”

Section: Comparison With Measurementsmentioning

confidence: 73%

“…TLM [16] Present model Measurement [16] The resonant frequencies of the box without apertures up to 1 GHz are 357.1, 548.8, 714.3, 826.9 and 906.6 MHz. As observed in Fig.…”

Section: Comparison With Measurementsmentioning

confidence: 99%

“…There are analytical approaches such as [11] in which the closed form expressions are derived for the equivalent magnetic current distributions over the apertures of filled grooves and slits in a thick infinite ground plane or [12] where the semi analytical MoM technique is utilized for several parallel thick plates with apertures. For the apertures in thick wall enclosures, numerical techniques such FDTD [13][14][15], transmission line matrix (TLM) [16,17] and mode matching [18] can deal with the wall thickness, but at the cost of solution complexity and CPU time. The robustness of the numerical techniques is severely limited by the size of the aperture and its thickness relative to the cavity dimensions.…”

Section: Introductionmentioning

confidence: 99%

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Fast Calculation of the Shielding Effectiveness for a Rectangular Enclosure of Finite Wall Thickness and With Numerous Small Apertures

Dehkhoda¹,

Tavakoli²,

Moini³

2008

PIER

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Abstract-In this paper, an extremely fast technique is introduced to evaluate the shielding effectiveness of a rectangular enclosure of finite wall thickness and numerous square or circular small apertures subject to a normally incident plane wave. The technique is based on the traditional waveguide circuit model where the enclosure is replaced with an equivalent shorted transmission line. In the proposed circuit model, the perforated thick wall is represented by an equivalent impedance which is derived from the reflection coefficient. The computation results are in very good agreement with measurements. Additionally, further results are compared to a generalized modal MoM technique which are in excellent agreement as the number of apertures increase. Besides accuracy, the method is extremely efficient and easy to implement compared to the numerical techniques.

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Section: Introductionsupporting

confidence: 73%

“…Fig. 6 depicts the SE from this model, measurements [16] and the TLM [16]. As illustrated, the results of this method are in better agreement with measurements than TLM predictions.…”

Section: Comparison With Measurementsmentioning

confidence: 73%

“…TLM [16] Present model Measurement [16] The resonant frequencies of the box without apertures up to 1 GHz are 357.1, 548.8, 714.3, 826.9 and 906.6 MHz. As observed in Fig.…”

Section: Comparison With Measurementsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Fast Calculation of the Shielding Effectiveness for a Rectangular Enclosure of Finite Wall Thickness and With Numerous Small Apertures

Dehkhoda¹,

Tavakoli²,

Moini³

2008

PIER

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“…Therefore, there have been some papers discussing how to solve the frequency dependent transmission line equations by simple ways [1]～ [3]. The authors have also used a simple model to replace time-domain convolution in analyzing transmission line equations [4].…”

Section: Introductionmentioning

confidence: 99%

A Digital Filtering Method to Process the Convolution in FDTD Analysis of Transmission Line Equations

Zhou

Shi

Gao

et al. 2006

The 2006 4th Asia-Pacific Conference on Environmental Electromagnetics

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Transmission Line Matrix (TLM) Method

Director

2005

Encyclopedia of RF and Microwave Engineering

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This article presents the fundamental ideas behind the transmission‐line modeling or matrix (TLM) method and its applications to complex electromagnetic problems. TLM is considered from different points of view to illustrate its properties and modeling capabilities. A number of more recent enhancements to TLM are presented, especially in the area of materials and multiscale modeling. The article gives a concise introduction to advanced TLM topics and applications.

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The use of digital filtering techniques for the simulation of fine features in emc problems solved in the time domain

Cited by 31 publications

References 21 publications

Fast Calculation of the Shielding Effectiveness for a Rectangular Enclosure of Finite Wall Thickness and With Numerous Small Apertures

Fast Calculation of the Shielding Effectiveness for a Rectangular Enclosure of Finite Wall Thickness and With Numerous Small Apertures

A Digital Filtering Method to Process the Convolution in FDTD Analysis of Transmission Line Equations

Transmission Line Matrix (TLM) Method

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