Zobrazeno 1 - 10
of 49
pro vyhledávání: '"J. Dřínovský"'
Publikováno v:
Radioengineering, Vol 32, Iss 1, Pp 177-184 (2023)
In the paper, a simulation-based design procedure for the implementation of a TEM cell (the Crawford cell) is presented. The empirical approach uses computer simulations carried out in the CST Microwave Studio to design the cell that operates in the
Externí odkaz:
https://doaj.org/article/1951e079adda4774aade88d0ccfb6750
Publikováno v:
Radioengineering, Vol 30, Iss 4, Pp 654-661 (2021)
In the paper, an original construction of a coaxial flange for measurements of shielding efficiency of composite materials is presented. The measurement procedure is conceived as a differential method to suppress influence of a flange. Attention is t
Externí odkaz:
https://doaj.org/article/42e216c471ca41a895f813eb29b959a2
Publikováno v:
Radioengineering, Vol 27, Iss 1, Pp 134-142 (2018)
The pre-compliance tests of electromagnetic immunity are at present a crucial issue for all major automotive manufacturers. In current practice, there are two basic ways to implement these tests. The first one is based on significant simplification o
Externí odkaz:
https://doaj.org/article/dd10cea105c34d1488456cd1db68b806
Publikováno v:
Radioengineering, Vol 22, Iss 1, Pp 296-308 (2013)
In this paper, we investigate the sensitivity of a novel Multi-Objective Self-Organizing Migrating Algorithm (MOSOMA) on setting its control parameters. Usually, efficiency and accuracy of searching for a solution depends on the settings of a used st
Externí odkaz:
https://doaj.org/article/603dd07c53a040b8a3a8f5243209655e
Publikováno v:
Radioengineering, Vol 21, Iss 4, Pp 1252-1259 (2012)
Synthesis of fractional capacitor using classical analog circuit synthesis method was described in [6]. The work presented in this paper is focused on synthesis of the same problem by means of evolutionary method simulated annealing. Based on given d
Externí odkaz:
https://doaj.org/article/695c132c91424a1d86f2dd2ca5f0fee6
Publikováno v:
Radioengineering, Vol 20, Iss 1, Pp 295-298 (2011)
One of the problems in the design of powerline EMI filters is the uncertainty and ambiguity of their source/load impedances which results in breach of expected filter parameters in a real installation. The paper presents a simple technique for predic
Externí odkaz:
https://doaj.org/article/95d01c29856e4e9eb9136f29f2f2be18
Publikováno v:
Radioengineering, Vol 19, Iss 2, Pp 313-319 (2010)
The paper deals with the EMI filter models for the calculation of the insertion loss characteristics. The insertion loss is in fact the basic EMI filter property. Unfortunately it is not easy to precisely define and measure this parameter in a wide f
Externí odkaz:
https://doaj.org/article/70a0c6168548497b9a26d6ee9235f0c6
Publikováno v:
Radioengineering, Vol 17, Iss 3, Pp 8-14 (2008)
This paper deals with mathematical simulations of EMI filters’ performance. These filters are commonly used for the suppressing of electromagnetic interference which penetrates through the power supply networks. The performance of these
Externí odkaz:
https://doaj.org/article/68d0779ae3c744dab4d407c6d6c9ae26
Publikováno v:
Radioengineering, Vol 17, Iss 3, Pp 15-18 (2008)
This paper deals with the approximate worst-case test method for testing the insertion loss of the EMI filters. The systems with 0.1 Ω and 100 Ω impedances are usually used for this testing. These systems are required by the internation
Externí odkaz:
https://doaj.org/article/4089bf3db58f43eea06ae8094e452324
Autor:
J. Svacina, J. Drinovsky
Publikováno v:
Radioengineering, Vol 15, Iss 4, Pp 16-21 (2006)
This paper deals with the performance problem of the EMC filters. The core of this problem in EMC filter is the uncertainty of impedances that are connected to the input and output of a filter. In addition, an estimation technique is presented that g
Externí odkaz:
https://doaj.org/article/82bcdccf3d3f454285dc9954df459206