نتایج جستجو برای: insensitivity to electromagnetic interference
تعداد نتایج: 10656688 فیلتر نتایج به سال:
Pain is neuroanatomically, psychologically and neurophysiologically complicated and its first function is protecting all alive creature body. This issue is so questionable and interesting that people who don’t feel pain how face this sensation and what problems threaten them. So many researchers by using 73 references, articles from electronical and library references have done a clinical...
after the soviet union dissolution, a chaotic period was begun in the russia. russia lost its glory and felt disgrace. the first group of elites came to power under yeltsin; they tried to re-define russia’s identity as a european country and build a foreign policy on this baseline. therefore russia tried to become closer with the west especially with the u.s. according to their view the sovie...
abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...
a novel ultra wideband microstrip bandpass filter using radial stub loaded resonator and interdigital coupled lines is presented in this paper. the radial stub loaded resonator and decagonal patch form a resonator named m to create tuneable multiple notches in the passband for suppression wlan interference. to realize sharp roll-off, two adjustable transmission nulls are located at the lower an...
This work is focused on the susceptibility of integrated circuits (ICs) to electromagnetic interference (EMI). The main issue is simulation and measurement on device level and circuit level. The work gives an overview of the overall electromagnetic compatibility (EMC) issues, and shows Direct Power Injection (DPI) measurement technique for conducted electromagnetic interference. Related researc...
The EMI filters are usually used for suppression of electromagnetic conducted interference of range 9 kHz-30 MHz. The efficiency of electromagnetic interference filter is described by attenuation characteristics. The value of attenuation of EMI filter depends on main parameters of filter’s elements and its parasitic parameters. Therefore the high frequency model of electromagnetic interference ...
Switchable metamaterial absorbers/reflectors (MAs/MRs) are important bifunctional electromagnetic devices and have been the subject of numerous scientific studies. However, there is a lack that operate in terahertz band. Here, we theoretically propose broadband switchable MA with many excellent properties, such as good thermal stability, high insensitivity to inferior film quality graphene, exc...
the methods which are used to analyze microstrip antennas, are divited into three categories: empirical methods, semi-empirical methods and full-wave analysis. empirical and semi-empirical methods are generally based on some fundamental simplifying assumptions about quality of surface current distribution and substrate thickness. thses simplificatioms cause low accuracy in field evaluation. ful...
External sources, either within or outside the hospital environment, may interfere with the appropriate function of pacemakers which are being implanted all around the world in current medical practice. The patient and the physician who is responsible for follow-up of the pacing systems may be confronted with some specific problems regarding the various types of electromagnetic interference (EM...
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