Frequency Response/Content/stuff

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SUMMARY

This discussion clarifies key concepts in signal processing, specifically focusing on Frequency Content, Frequency Response, and Transfer Functions. Frequency Content refers to the various frequencies present in a signal, while Frequency Response describes how a system responds to different frequencies, including magnitude and phase shifts. The Transfer Function mathematically relates input frequencies to output responses in a circuit. These definitions are supported by references to established literature, such as William Hayt's "Engineering Circuit Analysis."

PREREQUISITES
  • Understanding of signal processing fundamentals
  • Familiarity with circuit analysis concepts
  • Knowledge of frequency domain analysis
  • Basic grasp of impedance and admittance in electrical circuits
NEXT STEPS
  • Study the concept of Frequency Response in detail
  • Explore Transfer Functions and their applications in circuit design
  • Learn about the significance of magnitude and phase in signal processing
  • Read "Engineering Circuit Analysis" by William Hayt for deeper insights
USEFUL FOR

Electrical engineers, signal processing specialists, and students studying circuit analysis will benefit from this discussion, particularly those looking to deepen their understanding of frequency-related concepts in systems.

swraman
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Hi,

Im a little confused about some concepts dealing with Frequency:

Frequency Content
Frequency Response
Transfer Function

From my understanding:
Frequency content is the content of different frequencies in a signal.
Frequency Response is...not sure
A transfer function tells you the output if a system to an input of a given frequency.
Is my understanding correct?

Thanks

Raman
 
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Frequency
Is a function (in frequency domain) that shows how element properties (Admittance or Impedance for example), a current, a voltage or many other quantities in a circuit varies with frequency.

Transfer Function:
Is a function (in frequency domain) that relates between the input and the desired output in the circuit.

You will find more in:
William Hayt, Engineering Circuit Analysis

I'm not sure about Frequency content.
 
OK after a little more reading i came to this conclusion:

The frequency Response function tells you how a system treats a given frequency. Eg. the magnitude tells you how much an input signal with the given frequency is magnified by and the phase tells you how much its phase is shifted by.

Is this correct?
 
swraman said:
OK after a little more reading i came to this conclusion:

The frequency Response function tells you how a system treats a given frequency. Eg. the magnitude tells you how much an input signal with the given frequency is magnified by and the phase tells you how much its phase is shifted by.

Is this correct?

GREAT. You are doing well.
 

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