نتایج جستجو برای: wave and circuits interaction
تعداد نتایج: 16934659 فیلتر نتایج به سال:
Modeling and simulation of communication circuits at high frequency are important challenges ahead in the design and construction of these circuits. Knowing the fact that the lumped element model is not valid at high frequency, distributed analysis is presented based on active and passive transmission lines theory. In this paper, a lossy transmission line model of traveling wave switch (TWSW) i...
in this article, we suggested a novel design of polarization splitter based on coupler waveguide on inp substrate at 1.55mm wavelength. photonic crystal structure is consisted of two dimensional (2d) air holes embedded in inp/ingaasp material with an effective refractive index of 3.2634 which is arranged in a hexagonal lattice. the photonic band gap (pbg) of this structure is determined using t...
this study attempts to investigate the effect of peers’ revision in comparison to that of the teacher, and whether peers’ comments and teachers’ comments facilitate students’ revision? if yes, which one is more effective? also attempts have been made to see which aspects of language are more highlighted by peers versus teachers when commenting. besides, it is investigating the student’s attitud...
abstract the present study was conducted to examine the effect of proficiency on students interaction while carrying out the grammar-based task(s) in collaboration. in particular, the study examines whether the level of proficiency affects the learners’ focus of attention to grammatical and lexical features. the study takes a further step and examines whether there is any difference in the use...
Guest Editors' Introduction: Design and Testing of Millimeter-Wave/Subterahertz Circuits and Systems
h IT IS OUR pleasure to introduce this Special Issue on the Design and Testing of Millimeter-Wave/ Subterahertz Circuits and Systems. Recent advances in silicon technologies have opened up new opportunities for investigations into millimeter-wave (mmwave) and subterahertz (sub-THz) circuits and systems. Mm-wave and sub-THz circuits have enabled extremely high-data-rate communications. Hence, ma...
The visco-elastic properties of asphaltic layers make it appropriate for application in coastal protection in embankments. In this research, an experimental set up of a coastal embankment is developed to investigate the characteristics of lean stone asphalt layer on coastal embankments. More than 100 laboratory tests were carried out considering various loading conditions on the asphalt protect...
1 Ringresonator modelling Optical microresonator circuits [1, 2, 3] are considered, consisting of a number of not necessarily identical circular cavities and straight waveguides, with evanescent wave interaction between these elements. A simple configuration with a single cavity and two straight bus waveguides serves as an example to explain the frequency-domain Hybrid analytical/numerical Coup...
When studying the structural response of rubble mound breakwaters to wave loading, the knowledge of water surface fluctuations, pore pressure variations and related wave attenuation inside the porous structure is important since the pore pressures affect most responses, such as wave run-up, wave overtopping, reflections, transmission and the hydraulic and geotechnical stability of the breakwate...
The quantum-dot cellular automata (QCA) is considered as an alternative tocomplementary metal oxide semiconductor (CMOS) technology based on physicalphenomena like Coulomb interaction to overcome the physical limitations of thistechnology. The decoder is one of the important components in digital circuits, whichcan be used in more comprehensive circuits such as full adde...
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