шектік жиілік

шектік жиілік

A term widely used in information theory, but here applies to the highest frequency, shortest wavelength, that can be identified in an interferogram. It is the one for which there are exactly two points per cycle. The contribution of any higher frequency, signal or noise, can be represented by some lower frequency and so will appear aliased or folded into the spectrum.

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เพิ่มภาพ

ส่วนหนึ่งของคำพูด: noun
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Blossary:
อุตสาหกรรม/ขอบเขต: Chemistry
Category: Spectroscopy
Company: Newport
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шектік

Fitness; Workouts

The heart rate at which lactic acid begins to build up faster than you can break it down. You should do the bulk of your training at just below that level.

жиілік

Geography; Geophysics

The property or condition of occurring at frequent intervals.

жиілік

Computer; Operating systems

The number of events divided by the reach of the events.

жиілік

Electrical equipment; Power supplies

The number of complete cycles or vibrations per unit of time.

жиілік

Electrical equipment; Generators

Frequency is the number of complete cycles per unit of time of any periodically varying quantity, such as alternating voltage or current. It is usually expressed as (Hz) Hertz or ...

коллимация

Chemistry; Spectroscopy

The ideal input beam is a cylinder of light. No beam of finite dimensions can be perfectly collimated; at best there is a diffraction limit. In practice the input beam is a cone ...

бірігіп қосу

Chemistry; Spectroscopy

The process of adding interferograms together to achieve an improvement in signal-to-noise ratio.

орталық шығарылым

Chemistry; Spectroscopy

The sharp, intense part of an interferogram. The size of the centerburst is directly proportional to the amount of infrared radiation striking the detector.

импульстер қатарының қиюы

Chemistry; Spectroscopy

With no apodization, all points in an interferogram are given equal weight, up to the edges of the interferogram. If the resolution is less than the smallest linewidth in the ...

негізгі желіні түзету

Chemistry; Spectroscopy

A spectral manipulation technique used to correct spectra with sloped or varying baselines. The user must draw a function parallel to the baseline, then this function is ...

бедерсіз спектр

Chemistry; Spectroscopy

A single beam spectrum acquired with no sample in the infrared beam. The purpose of a background spectrum is to measure the contribution of the instrument and environment to the ...