Bode plot

E35692

A Bode plot is a graphical representation of a linear system’s frequency response, showing magnitude and phase versus frequency on logarithmic scales, widely used in control and amplifier design.


Statements (49)
Predicate Object
instanceOf engineering analysis tool
frequency-domain plot
graphical representation
appliesTo rational transfer functions
transfer function
assumes linear time-invariant system
assumesInput sinusoidal steady-state excitation
canBeComputedFrom analytical transfer function
experimental frequency response data
category control theory
signal analysis
systems engineering
domain frequency domain
hasComponent magnitude plot
phase plot
helpsAnalyze bandwidth
gain margin
phase margin
resonant peaks
stability margins
helpsDesign amplifier frequency response
compensators
feedback control systems
filters
introducedBy Hendrik Wade Bode
namedAfter Hendrik Wade Bode
phaseUnit degrees
relatedTo Nichols chart
Nyquist plot
represents frequency response of a linear time-invariant system
shows magnitude versus frequency
phase versus frequency
typicalFrequencyUnit hertz
radians per second
typicalMagnitudeUnit decibels
usedFor gain scheduling analysis
loop-shaping design
robustness assessment
usedIn amplifier design
control engineering
electrical engineering
electronics design
filter design
signal processing
usesScale decibel magnitude scale
degrees for phase
logarithmic frequency scale
visualizes asymptotic magnitude approximations
phase lag and phase lead

Referenced by (7)
Subject (surface form when different) Predicate
Hendrik Wade Bode ("Bode stability criterion")
Hendrik Wade Bode
Hendrik Wade Bode ("Bode magnitude plot")
Hendrik Wade Bode ("Bode phase plot")
knownFor
control theory
negative feedback amplifier
usesConcept
Nyquist stability criterion
relatedTo

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