نتایج جستجو برای: circuit optimisation
تعداد نتایج: 134398 فیلتر نتایج به سال:
Nowadays, high-voltage circuit breakers have reached such high short-circuit capabilities that testing them under the full rated voltage is generally not possible with direct tests, and they are conducted by using the synthetic test methods. Although the phenomena associated with making tests is of particular importance especially in case of load break switches, but making tests are rather d...
A simple equivalent circuit to explain the electrical response of an ionic conductor is a parallel circuit consisting of an electrical resistance and a capacitor. Impedance semicircle of such a circuit is exactly a semicircle, but the impedance semicircle of experimental data is a depressed one. To explain this deformed shape of semicircle, usually CPE (constant phase element) is used in equi...
A novel auto-synthesis method is proposed to construct the mutually coupled equivalent circuit of an isolated air-core transformer winding based on signal morphology interpretation its measured frequency response analysis (FRA) only. Therefore, this approach aims determine model parameters from sub-bands (low, medium and high frequency), each which reflects dominant parameters, where parameter ...
a high accurate and low-voltage analog cmos current divider which operates with a single power supply voltage is designed in 0.18µm cmos standard technology. the proposed divider uses a differential amplifier and transistor in triode region in order to perform the division. the proposed divider is modeled with neural network while tlbo algorithm is used to optimize it. the proposed optimization...
In this paper, a conical horn antenna in the presence of metamaterial lens X-band is introduced and fabricated. The annular located at aperture shortened antenna, whose length half corresponding optimum horn. phase velocity more than along axis for same propagation distance, so distribution uniform gain increases. Metamaterial cells are designed form printed circuit board that have easy to buil...
Background: Obesity is associated with chronic inflammation in obese subjects, which leads to an increase of inflammatory cytokines. This study aimed to evaluate the effect of different intensity circuit resistance training on levels of interleukin 1 beta and interleukin-10 in obese men. Methods: In a semi-experimental trial during May to August 2020, 44 obese men from Tehran city were selecte...
Abstract In his paper a new current-controlled conveyor (CCCII) in CMOS technology is presented. It features, low supply voltage (±0.7), low power consumption, low circuit complexity, rail to rail operation and wide range parasitic resistance ( ). The circuit has been successfully employed in a multifunction biquad filter. Simulation results by HSPICE show high performance of the circuit and c...
Ontologies describe real-world entities in terms of axioms, i.e. statements about them, and have become an established instrument for formally modelling and representing knowledge. The diversity of available ontologies results in a heterogeneous landscape where ontologies can overlap in their content. Such an overlap can be caused by ontologies modelling the same or similar domains created by d...
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