interpolator

in·ter·po·late

I0195800 (ĭn-tûr′pə-lāt′)v. in·ter·po·lat·ed, in·ter·po·lat·ing, in·ter·po·lates v.tr.1. To insert or introduce between other elements or parts.2. a. To insert (material) into a text.b. To insert into a conversation. See Synonyms at introduce.3. To change or falsify (a text) by introducing new or incorrect material.4. Mathematics a. To estimate a value of (a function or series) between two known values.b. To create a continuous function that incorporates (a finite set of data), such as creating a curve that passes through a fixed set of points or a surface through a fixed set of curves.5. To introduce estimated values of (pixel data) into a pixel array to improve the quality of an enlarged digital image.v.intr. To make insertions or additions.

[Latin interpolāre, interpolāt-, to touch up, refurbish, from interpolis, refurbished; see pel- in Indo-European roots.]

in·ter′po·la′tion n.in·ter′po·la′tive adj.in·ter′po·la′tor n.

Interpolator

an analog or digital computing device for the determination of the coordinates of a point moving continuously along an analytically given curve.

Interpolators are used as control devices in programmed control systems; the output signals of the interpolator act directly or with the help of intermediate carriers (perforated or magnetic tapes) on the drive mechanism of the working tool of the controlled object (for example, a metal-cutting lathe), with the result that the working tool moves in space or in a plane along the required curve. The method for giving the parameters of the curve depends on the type of interpolator and the method used to solve the equation of the curve.

The simplest interpolators are continuous-action (analog) interpolators for determining straight-line segments potentiometers, certain types of compensators). A potentiometer in the circuit of a linear interpolator controls the motion of the working tool along one coordinate axis. The voltage supplied to the potentiometer is proportional to the length of the segment to be worked, whereas the voltage taken off by the slide of the potentiometer is proportional to the coordinate of the moving point, that is, to the required displacement of the working tool.

A discrete-action (digital) interpolator is a computing device whose initial data are coded (binary, decimal) numbers and whose output signal is a series of uniform discrete electrical pulses or simple phase shifts, each of which causes an elementary movement of the working tool of the device being controlled. The basic elements of discrete interpolators are digital integrators, various combinations of which form interpolators that work out straight lines, circles, hyperbolas, parabolas, and other figures.

REFERENCES

Chernyshev, A. V., and A. B. Iakhin. Avtomatizatsiia obrabotki na metal-lorezhushchikh stankakh s primeneniem programmnogo upravleniia. Moscow, 1959.
Tsifrovye analogi dlia sistem avtomaticheskogo upravleniia. Moscow-Leningrad, 1960.

单词	interpolator
释义	interpolator in·ter·po·late I0195800 (ĭn-tûr′pə-lāt′)v. in·ter·po·lat·ed, in·ter·po·lat·ing, in·ter·po·lates v.tr.1. To insert or introduce between other elements or parts.2. a. To insert (material) into a text.b. To insert into a conversation. See Synonyms at introduce.3. To change or falsify (a text) by introducing new or incorrect material.4. Mathematics a. To estimate a value of (a function or series) between two known values.b. To create a continuous function that incorporates (a finite set of data), such as creating a curve that passes through a fixed set of points or a surface through a fixed set of curves.5. To introduce estimated values of (pixel data) into a pixel array to improve the quality of an enlarged digital image.v.intr. To make insertions or additions. [Latin interpolāre, interpolāt-, to touch up, refurbish, from interpolis, refurbished; see pel- in Indo-European roots.] in·ter′po·la′tion n.in·ter′po·la′tive adj.in·ter′po·la′tor n. Interpolator Interpolator an analog or digital computing device for the determination of the coordinates of a point moving continuously along an analytically given curve. Interpolators are used as control devices in programmed control systems; the output signals of the interpolator act directly or with the help of intermediate carriers (perforated or magnetic tapes) on the drive mechanism of the working tool of the controlled object (for example, a metal-cutting lathe), with the result that the working tool moves in space or in a plane along the required curve. The method for giving the parameters of the curve depends on the type of interpolator and the method used to solve the equation of the curve. The simplest interpolators are continuous-action (analog) interpolators for determining straight-line segments potentiometers, certain types of compensators). A potentiometer in the circuit of a linear interpolator controls the motion of the working tool along one coordinate axis. The voltage supplied to the potentiometer is proportional to the length of the segment to be worked, whereas the voltage taken off by the slide of the potentiometer is proportional to the coordinate of the moving point, that is, to the required displacement of the working tool. A discrete-action (digital) interpolator is a computing device whose initial data are coded (binary, decimal) numbers and whose output signal is a series of uniform discrete electrical pulses or simple phase shifts, each of which causes an elementary movement of the working tool of the device being controlled. The basic elements of discrete interpolators are digital integrators, various combinations of which form interpolators that work out straight lines, circles, hyperbolas, parabolas, and other figures. REFERENCES Chernyshev, A. V., and A. B. Iakhin. Avtomatizatsiia obrabotki na metal-lorezhushchikh stankakh s primeneniem programmnogo upravleniia. Moscow, 1959. Tsifrovye analogi dlia sistem avtomaticheskogo upravleniia. Moscow-Leningrad, 1960. ThesaurusSeeinterpolate
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