Automatic Gain Control - определение. Что такое Automatic Gain Control
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Что (кто) такое Automatic Gain Control - определение


Automatic gain control         
  •  Schematic of an AGC used in the analog telephone network; the feedback from output level to gain is effected via a [[Vactrol]] resistive opto-isolator.
AN ELECTRONIC CIRCUIT TO AUTOMATICALLY ADJUST SIGNAL STRENGTH
Automatic Gain Control; Automatic Level Control L...; VOGAD; AGC circuit; Automatic volume control; Automatic voltage gain; Vogad; Automatic Voltage Gain; Auto gain control
Automatic gain control (AGC) is a closed-loop feedback regulating circuit in an amplifier or chain of amplifiers, the purpose of which is to maintain a suitable signal amplitude at its output, despite variation of the signal amplitude at the input. The average or peak output signal level is used to dynamically adjust the gain of the amplifiers, enabling the circuit to work satisfactorily with a greater range of input signal levels.
Gain (accounting)         
ACCOUNTING TERM; FINANCIAL BENEFIT RESULTING FROM A NON-TYPICAL OR NON-RECURRING TRANSACTION
Gain (finance)
In financial accounting (CON 8.4), a gain is when the market value of an asset exceeds the purchase price of that asset.
antenna gain         
  • Diagram illustrating how isotropic gain is defined. The axes represent power density in watts per square meter. <math>R</math> is the radiation pattern of a directive antenna, which radiates a maximum power density of <math>S</math> watts per square meter at some given distance from the antenna. The green ball <math>R_\text{iso}</math> is the radiation pattern of an isotropic antenna which radiates the same total power, and <math>S_\text{iso}</math> is the power density it radiates.  The gain of the first antenna is <math display="inline">{S \over S_\text{iso}}</math>. Since the directive antenna radiates the same total power within a small angle along the z axis, it can have a higher signal strength in that direction than the isotropic antenna, and so a gain greater than one.
TELECOMMUNICATIONS PERFORMANCE METRIC
Absolute gain (physics); Absolute gain (Physics); Total Radiated Power; Aerial gain; Antenna gain
<radio> The factor by which a radio antenna of a given shape focusses the emitted power into a smaller beamwidth compared with an omnidirectional antenna. (2008-02-26)
Примеры употребления для Automatic Gain Control
1. Compatible with 3G, 4G and photo iPods, the iTalk‘s automatic gain control records the best sound without you having to fiddle with controls.