Exact(4)
The object can be considered as a periodic function the envelope of which is the scene or picture or equivalently the periodic function samples the picture.
Most vibration signals are usually referred to as a periodic function, which can be expanded in Fourier series.
The solution on the boundary is treated as a periodic function, which is in turn approximated by a truncated Fourier series.
The use of these supplementary functions is to overcome the discontinuity problems which the original displacement functions will potentially encounter along the edges when they are viewed as a periodic function defined over the entire x y plane.
Similar(56)
Note that a Fourier series is widely known as an expansion of a periodic function (f ( x ) ) in terms of an infinite sum of sine and cosine functions.
Appreciate that now you are looking at the Fourier series expansion of a periodic function as a transform of two domains.
Then the above equation can be rewritten as b z+1)=b z), which implies that (b z)) is a periodic function.
where is almost a periodic function.
Finally, under the "Periodic" model, the strength of interaction is a periodic function of the distance.
Learn what is a periodic function.
Results are obtained for the various roughness models of electrode corrugations, viz., (i) roughness as an exact periodic function, (ii) roughness as a random function with known statistical properties, and (iii) roughness as a random function with statistical self-affine fractality over a finite range of length scales.
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