- even harmonics
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четные гармоники
English-Russian dictionary of geology. 2011.
even harmonics
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Even and odd functions — In mathematics, even functions and odd functions are functions which satisfy particular symmetry relations, with respect to taking additive inverses. They are important in many areas of mathematical analysis, especially the theory of power series … Wikipedia
Greek arithmetic, geometry and harmonics: Thales to Plato — Ian Mueller INTRODUCTION: PROCLUS’ HISTORY OF GEOMETRY In a famous passage in Book VII of the Republic starting at Socrates proposes to inquire about the studies (mathēmata) needed to train the young people who will become leaders of the ideal… … History of philosophy
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Bore (wind instruments) — The bore of a wind instrument is its interior chamber that defines a flow path through which air travels and is set into vibration to produce sounds. The shape of the bore has a strong influence on the instruments timbre. Contents 1 Bore shapes 1 … Wikipedia
Clipping (signal processing) — An oscilloscope screen of an amplifier clipping. The amplifier should be outputting a clean sine wave with rounded tops and bottoms, but instead they are cut off flat, or clipped . Clipping is a form of distortion that limits a signal once it… … Wikipedia
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geomagnetic field — Magnetic field associated with the Earth. It is essentially dipolar (i.e., it has two poles, the northern and southern magnetic poles) on the Earth s surface. Away from the surface, the field becomes distorted. Most geomagnetists explain the… … Universalium
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Cab signalling — is a railroad safety system that communicates track status information to the train cab (driving position), where the engineer or driver can see the information. The simplest systems display the trackside signal aspect (typically, green, yellow… … Wikipedia
