Q1. Signal Spectra and Signal Processing

Refers to any physical quantity that varies with time, space, temperature, pressure, or any other independent variable.

It is a measure of the strength or intensity of the wave.

It refers to the number of waves that pass a fixed point in a given amount of time.

It  involves the relationship between the position of the amplitude crest and troughs of two waveform.

Refers to any process that produces an output signal in response to an input signal.

A physical device (or software) that performs an operation on a signal.

It describes the frequency content of a signal.

A ________ is used to reduce (attenuate)the noise or interference corrupting an information bearing signal.

When we pass a signal through a system the output is __________.

The method or set of rules for implementing the system by a program that performs the corresponding mathematical operations.