gain pumping


gain pumping
неконтролируемое изменение коэффициента усиления

English-Russian dictionary on household appliances. 2014.

Смотреть что такое "gain pumping" в других словарях:

  • Gain-switching — is a technique in optics by which a laser can be made to produce pulses of light of extremely short duration, of the order of picoseconds (10 12s).In a semiconductor laser, the optical pulses are generated by injecting a large number of carriers… …   Wikipedia

  • Laser pumping — is the act of energy transfer from an external source into the gain medium of a laser. The energy is absorbed in the medium, producing excited states in its atoms. When the number of particles in one excited state exceeds the number of particles… …   Wikipedia

  • Fusion energy gain factor — The fusion energy gain factor, usually expressed with the symbol Q, is the ratio of fusion power produced in a nuclear fusion reactor to the power required to maintain the plasma in steady state.In a fusion power reactor a plasma must be… …   Wikipedia

  • Portfolio Pumping — The illegal act of bidding up the value of a fund s holdings right before the end of a quarter, when the fund s performance is measured. This is done by placing a large number of orders on existing holdings, which drives up the value of the fund …   Investment dictionary

  • Dynamic range compression — This article is about a process that intentionally reduces the dynamic range of audio signals. For similar reductions caused by circuit imperfections, see Gain compression. For processes that reduce the size of digital audio files, see Audio… …   Wikipedia

  • Quadraphonic sound — 4 channels Quadraphonic label Quadraphonic (or Quadrophonic sometimes Quadrasonic) sound – the most widely used early term for what is now called 4.0 surround sound – uses four channels in which speakers are positioned at the four corners of the… …   Wikipedia

  • Pump (skateboarding) — Pumping is a skateboarding technique used to gain speed without the riders feet leaving the board. This is done by selectively applying pressure to different parts of the board. Pumping can be done on flatland by turning or on a transition like a …   Wikipedia

  • Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …   Wikipedia

  • Optical amplifier — An optical amplifier is a device that amplifies an optical signal directly, without the need to first convert it to an electrical signal. An optical amplifier may be thought of as a laser without an optical cavity, or one in which feedback from… …   Wikipedia

  • Astrophysical maser — An astrophysical maser is a naturally occurring source of stimulated spectral line emission, typically in the microwave portion of the electromagnetic spectrum. This emission may arise in molecular clouds, comets, planetary atmospheres, stellar… …   Wikipedia

  • Parametric oscillator — A parametric oscillator is a simple harmonic oscillator whose parameters (its resonance frequency omega and damping eta) vary in time in a defined wayAnother intuitive way of understanding a parametric oscillator is as follows: a parametric… …   Wikipedia