(instrument function)
1Instrument error — refers to the combined accuracy and precision of a measuring instrument, or the difference between the actual value and the value indicated by the instrument (error). Measuring instruments are usually calibrated on some regular frequency against… …
2Instrument approach — Terminal procedures for an ILS approach in the United States. (The disclaimers shown in red in the illustration do not appear on the original approach plate.) For aircraft operating under instrument flight rules (IFR), an instrument approach or… …
3Instrument landing system — The Instrument Landing System (ILS) is a ground based instrument approach system that provides precision guidance to an aircraft approaching a runway, using a combination of radio signals and, in many cases, high intensity lighting arrays to… …
4Function generator — [ http://www.agilent.com/u2761a U2761A] USB Modular Function Generator from Agilent Technologies] A function generator is a piece of electronic test equipment or software used to generate electrical waveforms. These waveforms can be either… …
5Instrument Neutral Distributed Interface — INDI (an abbreviation of Instrument Neutral Distributed Interface) is a Distributed Control System protocol to enable control, data acquisition and exchange among hardware devices and software front ends, with particular focus on astronomical… …
6stringed instrument — a musical instrument having strings as the medium of sound production, played with the fingers or with a plectrum or a bow: The guitar, the harp, and the violin are stringed instruments. * * * Any musical instrument that produces sound by the… …
7Electronic Flight Instrument System — An electronic flight instrument system, or EFIS, is a flight deck instrument display system in which the display technology used is electronic rather than electromechanical. EFIS normally consist of a primary flight display (PFD), multi function… …
8Percussion instrument — Percussion redirects here. For other uses, see Percussion (disambiguation). A percussion instrument is any object which produces a sound when hit with an implement or when it is shaken, rubbed, scraped, or otherwise acted upon in a way that sets… …
9Sector (instrument) — The sector, also known as a proportional compass or military compass, was a major calculating instrument in use from the end of the sixteenth century until the nineteenth century. It is an instrument consisting of two rulers of equal length which …
10wind instrument — /wind/ a musical instrument sounded by the breath or other air current, as the trumpet, trombone, clarinet, or flute. [1575 85] * * * ▪ music Introduction any musical instrument that uses air as the primary vibrating medium for the… …
