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Low-frequency computational electromagnetics (CEM) solvers play an important role in the simulation and advanced modeling for the static/quasi-static field. It can not only capture both inductive and capacitive physics for the circuit design, but also the weak coupling between the electric and magnetic fields. Especially for the modeling with nanometer-scaled objects, the low-frequency CEM (full-wave)...
In this paper, we apply the fast Fourier transform on the perturbation-based augmented electric field integral equation (A-EFIE). The main idea lies on the Lagrangian interpolation of a series Rn, n = −1, 0, 1, 2, …, obtained by expanding Green's function using Taylor series. By utilizing the Toeplitz property of the Rn on the uniform cartesian grids, the multiplication of expanded kernels in the...
This paper proposes a new design of gesture controlled MP3 player method based on triaxial accelerometer MMA7260, and in program applying the matching algorithm —using shaking times to match the operation instructions. The experimental results shows that the design can make MP3 player play, stop, play back, play forward and so on.
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