Abstract: The variable-speed permanent magnet synchronous motors (PMSMs) have high harmonic contents in the current and wide variable speed range, which results in a wide frequency range of ...
Abstract: Here we present an electromechanical lumped equivalent circuit model for the purpose of deriving the electrical input impedance and response of air-coupled axisymmetric polymer-based ...
Einstein’s relationships between absorption and emission conflict with the time-energy uncertainty principle by ascribing a finite radiative lifetime to the upper state of an infinitely narrow ...
In order to make full use of the carrying capacity of the rocket and reduce the invalid mass of the satellite, the first-order fundamental frequency of the self-tandem dual satellite should be ...
In quantum theory a celebrated theorem due to Ritz provides upper bounds to eigenvalues of Hermitian operators. An upper bound alone, though, is not sufficient for ...
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