نتایج جستجو برای: electromagnetic compatibility emc
تعداد نتایج: 104456 فیلتر نتایج به سال:
—Low-Voltage Powerline Communications (LV PLC) is a favorable information exchange scheme for many Smart Grid (SG) applications. In this paper we focus on the broadband dual-hop relaying systems over LV PLC channel in which the relay node operates in either Amplify-and-Forward (AF) or Decode-and-Forward (DF) relaying protocol. The closed-form expressions of capacities for non-cooperative and c...
For microwave designs and when designing for electromagnetic compatibility (EMC), we need competent models of passive surface mount devices (SMDs), that is: resistors, capacitors and inductors. Such models are not always available or trustworthy, so we sometimes need to measure the impedance of these components ourselves. Appropriate measurement equipment exists, but often exceeds the available...
Extended band behavioral models of digital Integrated Circuit (IC) ports are key elements for the simulation of sensitive Signal Integrity (SI) and ElectroMagnetic Compatibility (EMC) effects in fast digital circuits. This project will be devoted to the developement of accurate and efficient behavioral models of digital IC ports from their responses (either simulated or measured). The black-box...
A standard boundary element method (BEM) discretisation for the electromagnetic compatibility (EMC) problem is analysed, revealing the near-singularity of the dense linear system for the lower frequency range. Next, a new basis transformation is presented, that separates the dominating capacitive eeects from the small, but important inductive eeects. On this basis a sparse approximate inverse i...
A variety of numerical techniques are used in electromagnetic compatibility (EMC) for the numerical analysis of practical problems. The most important are the finitedifference time-domain technique, the finite-element method, the transmission-line-matrix method and the method of moments. All approaches have their strengths and weaknesses and cannot be applied to all kinds of problems with the s...
This paper presents a systematic methodology for the system-level assessment of signal integrity and electromagnetic compatibility effects in high-speed communication and information systems. The proposed modeling strategy is illustrated via a case study consisting of a critical coupled net of a complex system. Three main methodologies are employed for the construction of accurate and efficient...
The tensorial analysis of network (TAN) developed by G.Kron in 1939 has today proved its capability to give answers to the difficult problem of the electromagnetic compatibility (EMC) prediction of complex systems[1]. The purpose of this article is to show how this technique can allow to optimize the choice of parameters in system functions. We recall briefly the principles of the TAN, before t...
What is the problem? Electromagnetic Interference is the Electromagnetic emission from a device or a system that interferes with the normal operation of another device or a system (external source). It is also referred to as Radio Frequency Interference (RFI). EMI is caused by electromagnetic induction or electromagnetic radiation emitted from an external source. Conducted EMI and Radiated EMI ...
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