Results for: Signals

In Electronics Engineering

What is a signal?

A signal is a function that represents a physical quantity,a function may be defined by two or more variable. e.g a Sinosoidal signal require three parameters to define it c (MORE)
In Telephones

What is Signaling?

In telephony, signaling is the exchange of information between involved points in the network that sets up, controls, and terminates each telephone call. In in-band signaling (MORE)
In Biology

What is signal amplification in cell signaling?

Signal amplification is when receptor proteins interact withmolecules known as signal molecules. This makes the signalsstronger so that things get done more quickly.
In Electronics Engineering

Analog signal and digital signal?

Digital signals have discrete encoded states that they switch between. They can only assume the defined encoded values. Errors can often be easily detected and sometimes cor (MORE)
In Radio

Differentiate FM signal from AM signal?

FM = Frequency Modulation; AM = Amplitude Modulation; each beinga technique by which the speech signal is imprinted onto thecarrier signal (the one to which you tune the radio (MORE)
In Computer Terminology

What is an analog signal and a digital signal?

An analog signal is one which is continuous in time as well as continuous in amplitude . Example : sine wave, cosine wave. An Digital signal is one which is continuous in disc (MORE)
In Cable Television

Analog signals and digital signals?

An analog signal is one which is continuous in time as well as continuous in amplitude . Example : sine wave, cosine wave. An Digital signal is one which is continuous in disc (MORE)
In Mobile Phones

What is power signal and what is energy signal?

Those signals which have finite energy and zero power known as energy signal.. Those signals which have infinite energy and finite power known as power signal..
In Science

Is audio signal an electromagnetic signal?

The answer is no . Audio signal is a sound pressure either stable or fluctuating. Audio signal is created thru a speaker that is fed by alternating current.