bias field

См. также в других словарях:

• Field-reversed configuration — A Field Reversed Configuration (FRC) is a device developed for magnetic fusion energy research that confines a plasma on closed magnetic field lines without a central penetration. [citebook|title=Plasma Physics and Fusion Energy|first=Jeffrey… …   Wikipedia

• Field emission — (FE) is the emission of electrons from the surface of a condensed phase into another phase due to the presence of high electric fields. In this phenomenon, electrons with energies below the Fermi level tunnel through the potential barrier at the… …   Wikipedia

• Bias (electrical engineering) — In electrical engineering, the term bias has the following meanings: # A systematic deviation of a value from a reference value. # The amount by which the average of a set of values departs from a reference value. # Electrical, mechanical,… …   Wikipedia

• Bias tee — A bias tee is a kind of multiplexer which has 3 ports arranged in the shape of a T and where frequencies from 1 MHz to 10 GHz pass horizontally through the T and lower frequencies take a 90° turn used to bias transistors and diodes. It is a… …   Wikipedia

• Bias frame — Much like a dark frame, a bias frame is an image obtained from an optical CCD or CMOS sensor, with no actual exposure time. The image so obtained only contains noise due to the electronics that elaborate the sensor data, and not noise from… …   Wikipedia

• Field-effect transistor — FET redirects here. For other uses, see FET (disambiguation). High power N channel field effect transistor The field effect transistor (FET) is a transistor that relies on an electric field to control the shape and hence the conductivity of a… …   Wikipedia

• bias — n. & v. n. 1 (often foll. by towards, against) a predisposition or prejudice. 2 Statistics a systematic distortion of a statistical result due to a factor not allowed for in its derivation. 3 an edge cut obliquely across the weave of a fabric. 4… …   Useful english dictionary

• Field work — This article is about the scientific method. For the military term, see Field fortifications under Fortification. Field work is a general descriptive term for the collection of raw data. The term is mainly used in the natural and social sciences… …   Wikipedia

• bias — noun 1》 inclination or prejudice for or against one thing or person.     ↘a systematic distortion of a statistical result due to a factor not allowed for in its derivation. 2》 a diagonal across the grain of a fabric. 3》 Bowls the irregular shape… …   English new terms dictionary

• Tape bias — is the term for two phenomena, DC bias and AC bias, that improve the fidelity of analogue magnetic tape sound recordings. DC bias is the addition of a direct current to the audio signal that is being recorded. AC bias is the addition of an… …   Wikipedia

• Exchange Bias — Als Exchange Bias (EB) bezeichnet man eine unidirektionale Anisotropie (deshalb auch unidirectional exchange anisotropy genannt), die durch die Kopplung zwischen einem Ferro und einem Antiferromagneten entsteht. Der Exchange Bias bewirkt eine… …   Deutsch Wikipedia