threshold+frequency

См. также в других словарях:

• threshold frequency — slenkstinis dažnis statusas T sritis Standartizacija ir metrologija apibrėžtis Su mažiausia fotono energija, kurią gali aptikti fotodetektorius, susijęs dažnis. atitikmenys: angl. threshold frequency vok. Schwellenfrequenz, f rus. пороговая… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

• threshold frequency — slenkstinis dažnis statusas T sritis fizika atitikmenys: angl. threshold frequency vok. Schwellenfrequenz, f rus. пороговая частота, f pranc. fréquence de seuil, f; fréquence seuil, f …   Fizikos terminų žodynas

• threshold frequency — /ˈθrɛʃhoʊld ˌfrikwənsi/ (say threshhohld .freekwuhnsee) noun the lowest frequency of radiation which, when incident upon a photoelectric material, will produce a photoelectric effect …  

• threshold frequency — noun : the minimum frequency of radiation that will produce a photoelectric effect …   Useful english dictionary

• threshold — /ˈθrɛʃhoʊld / (say threshhohld) noun 1. the sill of a doorway. 2. the entrance to a house or building. 3. any place or point of entering or beginning. 4. Aeronautics the beginning of the landing area on a runway or landing strip. 5. Psychology,… …  

• Threshold of pain — The threshold of pain is the point at which pain begins to be felt. It is an entirely subjective phenomenon. The intensity at which a stimulus (e.g., heat, pressure) begins to evoke pain is the threshold intensity.[1] So, if a hotplate on a… …   Wikipedia

• Frequency — For other uses, see Frequency (disambiguation). Three cyclically flashing lights, from lowest frequency (top) to highest frequency (bottom). f is the frequency in hertz (Hz), meaning the number of cycles per second. T is the period in seconds (s) …   Wikipedia

• Frequency comb — A frequency comb is the graphic representation of the spectrum of a mode locked laser. An octave spanning comb can be used for mapping radio frequencies into the optical frequency range or it can be used to steer a piezoelectric mirror within a… …   Wikipedia

• Flicker fusion threshold — The flicker fusion threshold (or flicker fusion rate) is a concept in the psychophysics of vision. It is defined as the frequency at which an intermittent light stimulus appears to be completely steady to the observer (this article centers around …   Wikipedia

• Absolute threshold of hearing — The absolute threshold of hearing (ATH) is the minimum sound level of a pure tone that an average ear with normal hearing can hear with no other sound present. The absolute threshold relates to the sound that can just be heard by the… …   Wikipedia

• Masking threshold — The masking threshold is the sound pressure level of a sound needed to make the sound perceptible in the presence of another noice, called a masker . This threshold depends upon the frequency, the kind of masker, and the kind of sound being… …   Wikipedia