image attenuation

См. также в других словарях:

• Image impedance — is a concept used in electronic network design and analysis and most especially in filter design. The term image impedance applies to the impedance seen looking in to the ports of a network. Usually a two port network is implied but the concept… …   Wikipedia

• Image-guided radiation therapy — (IGRT) is the process of frequent two and three dimensional imaging, during a course of radiation treatment, used to direct radiation therapy utilizing the imaging coordinates of the actual radiation treatment plan. The patient is localized in… …   Wikipedia

• Attenuation — This article is about attenuation in physics. For other uses, see Attenuation (disambiguation). In physics, attenuation (in some contexts also called extinction) is the gradual loss in intensity of any kind of flux through a medium. For instance …   Wikipedia

• Image filter end terminations — For an overview of image filters see composite image filter. Filters designed using the image impedance methodology suffer from a perculiar flaw in the theory. The predicted characteristics of the filter are calculated assuming that the filter is …   Wikipedia

• Composite image filter — Linear analog electronic filters Network synthesis filters Butterworth filter Chebyshev filter Elliptic (Cauer) filter Bessel filter Gaussian filter Optimum L (Legendre) filter Linkwitz Riley filter …   Wikipedia

• Latent image barcode — A latent image bar code (LIBC) reader located in relation to a filmstrip transport path for reading bar code data imprinted on the edge of a filmstrip. The LIBC reader comprises at least one illumination source and linear array of CCD elements… …   Wikipedia

• собственное затухание четырехполюсника — — [Л.Г.Суменко. Англо русский словарь по информационным технологиям. М.: ГП ЦНИИС, 2003.] Тематики информационные технологии в целом EN image attenuationimage attenuation coefficientimage attenuation factor …   Справочник технического переводчика

• мнимое затухание — кажущееся затухание — [Л.Г.Суменко. Англо русский словарь по информационным технологиям. М.: ГП ЦНИИС, 2003.] Тематики информационные технологии в целом Синонимы кажущееся затухание EN image attenuation …   Справочник технического переводчика

• собственная постоянная затухания — — [Л.Г.Суменко. Англо русский словарь по информационным технологиям. М.: ГП ЦНИИС, 2003.] Тематики информационные технологии в целом EN image attenuation constant …   Справочник технического переводчика

• Tomographie d'émission monophotonique — Image dans le plan axial du cerveau obtenue par tomographie d émission monophotonique utilisant le Tc 99. La tomographie d émission monophotonique, (TEMP) dite aussi SPECT (de l anglais Single photon emission computed tomography),… …   Wikipédia en Français

• Filtre passe-bas — Image sur laquelle a été appliqué un filtre passe bas (résultat à droite) Un filtre passe bas est un filtre qui laisse passer les basses fréquences et qui atténue les hautes fréquences, c est à dire les fréquences supérieures à la fréquence de… …   Wikipédia en Français