vibration waveform

См. также в других словарях:

• Fundamental frequency — Vibration and standing waves in a string, The fundamental and the first 6 overtones The fundamental frequency, often referred to simply as the fundamental and abbreviated f0 or F0, is defined as the lowest frequency of a periodic waveform. In… …   Wikipedia

• Dither — For other uses, see Dither (disambiguation). Provincial definition of to dither from The Rural Economy of Yorkshire: Comprizing the Management of Landed Estates, and the Present Practice of Husbandry in the Agricultural Districts of that County,… …   Wikipedia

• Stepper motor — A stepper motor (or step motor) is a brushless, synchronous electric motor that can divide a full rotation into a large number of steps. The motor s position can be controlled precisely, without any feedback mechanism (see open loop control).… …   Wikipedia

• Shock collar — The term shock collar is used to describe an electronic training aid developed to deliver an electrical signal through contact points attached to a dog collar. While similar systems are available for other animals, the most common are the collars …   Wikipedia

• Shock response spectrum — A Shock Response Spectrum (SRS) [ [http://acronyms.thefreedictionary.com/Shock+response+spectrum Acronym] Acronym] is a graphical representation of an arbitrary transient acceleration input, such as shock in terms of how a Single Degree Of… …   Wikipedia

• Pitch (music) — In musical notation, the different vertical positions of notes indicate different pitches. Pitch is an auditory perceptual property that allows the ordering of sounds on a frequency related scale.[1] Pitches are compared as higher and lower in… …   Wikipedia

• Guitar effects — are electronic devices that modify the tone, pitch, or sound of an electric guitar, or condition or reroute the signal in some fashion. Effects can be housed in small effects pedals ( stomp boxes ), guitar amplifiers, guitar amplifier simulation… …   Wikipedia

• Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …   Wikipedia

• Crest factor — The crest factor or peak to average ratio (PAR) or peak to average power ratio (PAPR) is a measurement of a waveform, calculated from the peak amplitude of the waveform divided by the RMS value of the waveform. It is therefore a dimensionless… …   Wikipedia

• Window function — For the term used in SQL statements, see Window function (SQL) In signal processing, a window function (also known as an apodization function or tapering function[1]) is a mathematical function that is zero valued outside of some chosen interval …   Wikipedia

• List of oil field acronyms — Contents 1 # 2 A 3 B 4 C …   Wikipedia