harmonic wave


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harmonic wave

[här′män·ik ′wāv]
(physics)
A transverse waveform obtained by mapping onto a time base the periodic up and down excursions of simple harmonic motion.
References in periodicals archive ?
In synchronous rotating space coordinates, using the method of Fourier series expansion and bivariate polynomial to reconstruct flux linkage, the analytical model of flux linkage and torque are deduced, which consider the high saturation of iron core, harmonic wave of air-gap field and the stator slotting.
The incident ultrasonic waveform is distorted by the quadratic nonlinearity of nonlinear materials, and harmonic waves are generated.
Because the harmonic waves are formed within the body, they suffer less from the reverberation artifacts generated in the overlying fat and muscle.
In the low frequency band, the electromagnetic waves are mainly contributed by the basic harmonic wave so that the dispersion effect on the propagation characteristics of the helical transmission lines is weak.
The surgeon's ability to grasp, to coagulate, and to cut with the HARMONIC WAVE Coagulating Shears makes it a multipurpose instrument.
The aim of the analysis is to find scattering parameters of the investigated structure with the assumption of arbitrary angle of harmonic wave incidence ([[theta].
The harmonic waves are directly reflected back to the diode due to the diode connecting form is in series but not in parallels.
The high frequency harmonic wave from the class-D may influence part of the handset RF or the antenna thus lowers the sensitivity to signals even makes them unable to work.
In this case we simply proceed to its Fourier expansion, apply (A5) and (A6) to each sinusoidal harmonic wave and add up in due manner the individual contributions.
It is composed of an array of uniformly spaced identical sections situated in a free space and illuminated by a harmonic wave with arbitrary direction.
Power factor correction is a means of regulating a higher harmonic wave (a sine wave that is an integral multiple of the 50Hz or 60Hz of a commercial power supply) stipulated by the IEC and JIS standards.
11 compares the experimental and simulation results for the harmonic wave component of the noise spectrum induced in the RCPSO by EMI with an amplitude of [V.