optical noise

См. также в других словарях:

• optical noise immunity — atsparumas optiniams trukdžiams statusas T sritis radioelektronika atitikmenys: angl. optical noise immunity vok. optische Störfestigkeit, f; optische Störungsstabilität, f rus. оптическая помехоустойчивость, f pranc. stabilité contre le bruit… …   Radioelektronikos terminų žodynas

• optical noise origin — optinių triukšmų šaltinis statusas T sritis radioelektronika atitikmenys: angl. optical noise origin vok. optische Rauschquelle, f rus. источник оптических шумов, m pranc. source de bruit optique, f …   Radioelektronikos terminų žodynas

• Optical heterodyne detection — is an important special case of heterodyne detection. In heterodyne detection, a signal of interest at some frequency is non linearly mixed with a reference local oscillator (LO) that is set at a close by frequency. The desired outcome is the… …   Wikipedia

• Noise-immune cavity-enhanced optical heterodyne molecular spectroscopy — (NICE OHMS) is an ultra sensitive laser based absorption technique that utilizes laser light to assess the concentration or the amount of a species in gas phase by absorption spectrometry (AS). Contents 1 Principles 1.1 Types of signals 1.2… …   Wikipedia

• Noise-Immune Cavity-Enhanced Optical-Heterodyne Molecular Spectroscopy — (NICE OHMS) is an ultra sensitive laser based absorption technique that utilizes laser light to assess the concentration or the amount of a species in gas phase by absorption spectrometry (AS). Principles The NICE OHMS technique combines in a… …   Wikipedia

• Optical coherence tomography — Intervention Optical Coherence Tomography (OCT) image of a sarcoma MeSH …   Wikipedia

• Noise-equivalent power — (NEP) is a measure of the sensitivity of a photodetector or detector system. It is defined as the signal power that gives a signal to noise ratio of one in a one hertz output bandwidth.[1] An output bandwidth of one hertz is equivalent to half a… …   Wikipedia

• Optical pickups — are instrument pickups that use infrared light LEDs and photodetectors to sense the string vibration on a guitar or electric bass. Typically, electric guitars and bass guitars use magnetic pickups which can induce extraneous noise or magnetic hum …   Wikipedia

• Optical imaging — is an imaging technique. Optics usually describes the behavior of visible, ultraviolet, and infrared light used in imaging. Because light is an electromagnetic wave, similar phenomena occur in X rays, microwaves, radio waves. Chemical imaging or… …   Wikipedia

• Optical performance monitoring — (OPM) is used for managing high capacity dense wavelength division multiplexing (DWDM) optical transmission and switching systems in Next Generation Networks (NGN). OPM involves assessing the quality of data channel by measuring its optical… …   Wikipedia

• Optical character recognition — Optical character recognition, usually abbreviated to OCR, is the mechanical or electronic translation of scanned images of handwritten, typewritten or printed text into machine encoded text. It is widely used to convert books and documents into… …   Wikipedia