- relaxation time constant
- relaxation time constant Kippzeitkonstante f
English-German dictionary of Electrical Engineering and Electronics. 2013.
relaxation time constant
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Relaxation time — is a general concept in physics for the characteristic time in which a system changes to an equilibrium condition from a non equilibrium condition. It can measure the time dependent response of a system to well defined external stimuli.… … Wikipedia
relaxation time — noun the time constant of an exponential return of a system to equilibrium after a disturbance (Freq. 2) • Hypernyms: ↑time constant * * * noun 1. : the time required for an exponentially decreasing variable (as the amplitude of a damped… … Useful english dictionary
time constant — noun 1. (electronics) the time required for the current or voltage in a circuit to rise or fall exponentially through approximately 63 per cent of its amplitude • Topics: ↑electronics • Hypernyms: ↑time interval, ↑interval • Hyponyms: ↑ … Useful english dictionary
Spin-lattice relaxation time — Spin lattice relaxation time, known as T1, is a time constant in Nuclear Magnetic Resonance and Magnetic Resonance Imaging. It is named in contrast to T2, the spin spin relaxation time.T1 characterizes the rate at which the longitudinal Mz… … Wikipedia
Spin-spin relaxation time — Spin spin relaxation time, known as T2, is a time constant in Nuclear Magnetic Resonance and Magnetic Resonance Imaging. It is named in contrast to T1, the spin lattice relaxation time.T2 characterizes the rate at which the Mxy component of the… … Wikipedia
Relaxation (NMR) — In nuclear magnetic resonance (NMR) spectroscopy and magnetic resonance imaging (MRI) the term relaxation describes several processes by which nuclear magnetization prepared in a non equilibrium state return to the equilibrium distribution. In… … Wikipedia
relaxation phenomenon — ▪ physics and chemistry Introduction in physics and chemistry, an effect related to the delay between the application of an external stress to a system that is, to an aggregation of matter and its response. It may occur in nuclear, atomic,… … Universalium
Relaxation (physics) — In the physical sciences, relaxation usually means the return of a perturbed system into equilibrium. Each relaxation process can be characterized by a relaxation time τ. The simplest theoretical description of relaxation as function of time t is … Wikipedia
Relaxation oscillator — A relaxation oscillator is an oscillator in which a capacitor is charged gradually and then discharged rapidly. It is usually implemented with a resistor or current source, a capacitor, and a threshold device such as a neon lamp, diac,… … Wikipedia
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relaxation — 1. Loosening, lengthening, or lessening of tension in a muscle. 2. In nuclear magnetic resonance, r. is the decay in magnetization of protons after the direction of the surrounding magnetic field is changed; the different rates of r. for… … Medical dictionary
