интерферограмма

интерферограмма

A plot of infrared detector response versus optical path difference. The fundamental measurement obtained by an FT-IR is an interferogram. Interferograms are Fourier transformed to give infrared spectra.

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Settore/Dominio: Chimica
Categoria: Spettroscopia
Company: Newport
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коллимация

Chimica; Spettroscopia

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

Chimica; Spettroscopia

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

орталық шығарылым

Chimica; Spettroscopia

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

Chimica; Spettroscopia

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

Chimica; Spettroscopia

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

Chimica; Spettroscopia

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 ...