What is the frequency domain?

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Related questions

Description : Could someone explain to me the frequency domain in physics?

Last Answer : answer:You regard a function of time as if it were a periodic wave, representing the superposition of multiple sine waves. Each sine wave has a different frequency, amplitude, and phase ... representation shows only the magnitude or power of each frequency, discarding some of the phase information.

Description : Frequency Domain Analysis in Control System

Last Answer : Frequency Response: The Frequency Response of the system is the steady state response of the system obtained as the output when a sinusoidal input signal is given to the system. For determining the ... of the system, adjust the gain of the control system and helps in designing the control system.

Description : Advantages of Frequency Domain Analysis

Last Answer : Advantages of Frequency Domain Analysis Frequency Response Analysis: In frequency response analysis the input to the control system is fed with a sinusoidal signal with different frequencies. The output ... system Frequency domain analysis can also be carried out for the non linear control systems.

Description : What is the term used to describe a spread spectrum communications system where the center frequency if a conventional carrier is altered many time per second in accordance with a pseudo ... hopping B. Direct sequence C. Time-domain frequency modulation D. Frequency compandored spread spectrum

Last Answer : A. Frequency hopping

Description : In a time-domain plot, the horizontal axis is a measure of ________. A) signal amplitude B) frequency C) phase D) time

Last Answer : time

Description : In a frequency-domain plot, thehorizontal axis measures the________. A) peak amplitude B) frequency C) phase D) slope

Last Answer : frequency

Description : Find the equation of displacement current density in frequency domain. a) Jd = jwεE b) Jd = jwεH c) Jd = wεE/j d) Jd = jεE/w

Last Answer : a) Jd = jwεE

Description : When the Maxwell equation is expressed in frequency domain, then which substitution is possible? a) d/dt = w/j b) d/dt = j/w c) d/dt = jw

Last Answer : c) d/dt = jw

Description : Find the magnitude of the displacement current density in air at a frequency of 18GHz in frequency domain. Take electric field E as 4 units. a) 18 b) 72 c) 36 d) 4

Last Answer : d) 4

Description : List out the different frequency domain specifications?

Last Answer : The frequency domain specifications are i) Resonant peak. ii) Resonant frequency.

Description : (i) Draw the time domain and frequency domain representation of sine wave and triangular wave. (ii) Define frequency and wavelength.

Last Answer : (i)Time domain and frequency domain representation of sine wave time domain and frequency domain representation of triangular wave.   ii) Define frequency and wavelength. Frequency ... : Wavelength can be defined as the distance between two successive crests troughs of a wave. 

Description : Draw amplitude modulated waveform in time domain and frequency domain with proper labeling.

Last Answer : AM in Time domain  AM in frequency domain

Description : Sketch AM signal in (1)Time domain (2)Frequency domain.

Last Answer : AM in Time domain AM in frequency domain

Description : The frequency and time domain are related through _____.

Last Answer : The frequency and time domain are related through both laplace transform and fourier integral.