constant bias

См. также в других словарях:

• 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 — In a clinical trial, bias refers to effects that a conclusion that may be incorrect as, for example, when a researcher or patient knows what treatment is being given. To avoid bias, a blinded study may be done. * * * 1. Systematic discrepancy… …   Medical dictionary

• bias — WikiB A constant amplitude high frequency signal added to the recording signal to improve the signal to noise ratio and reduce the distortion of an analog tape recording …   Audio and video glossary

• Malmquist bias — For other uses of Malmquist, see Malmquist (disambiguation). The Malmquist bias refers to an effect in observational astronomy which leads to the preferential detection of intrinsically bright objects. It was first popularized in 1922 by Swedish… …   Wikipedia

• Cathode bias — In order for a vacuum tube (or valve) to operate in a fairly linear region of its characteristic curve, the grid element must be maintained at a bias voltage more negative than the cathode. This is called cathode bias.Early techniquesEarly… …   Wikipedia

• Choice-supportive bias — In cognitive science, choice supportive bias is the tendency to retroactively ascribe positive attributes to an option one has selected. It is a cognitive bias. What is remembered about a decision can be as important as the decision itself,… …   Wikipedia

• Exchange bias — or exchange anisotropy occurs in bilayers (or multilayers) of magnetic materials where the hard magnetization behavior of an antiferromagnetic thin film causes a shift in the soft magnetization curve of a ferromagnetic film. The exchange bias… …   Wikipedia

• DC bias — When describing a periodic function in the frequency domain, the DC bias, DC component, DC offset, or DC coefficient is the mean value of the waveform (possibly scaled according to the norm of the corresponding basis function of the frequency… …   Wikipedia

• Media bias in South Asia — Part of a series on Censorship By media …   Wikipedia

• grid bias — noun : a small constant component of the grid potential in a vacuum tube that is usually negative for ordinary triode control grids …   Useful english dictionary

• Memristor — Type Passive Working principle Memristance Invented Leon Chua (1971) First production HP Labs (2008) Electronic symbol …   Wikipedia