User Manual

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8.7 Analysis Function
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8
.7.10 Unit Impulse Response [IMP]
Functio
n
Horizonta
l
curso
r
Vertica
l
curso
r
Vertical axis Display
LIN-REAL (real-number part) −
LIN-IMAG (imaginary-number part) −
LIN-MAG (amplitude) IMP
LOG-MAG (logarithmic amplitude) −
PHASE (phase) −
S
tored waveform (input signa
l)
S
tored waveform (output signa
l)
U
nit impulse respons
e
Displays the frequency response of a system in the time domain.
A response waveform equivalent to the unit impulse function is obtained by
analyzing the input and output signals of the system being measured.
Major applications
Checking circuit time constants.
IMP =
-1
(Hab)
Time Time display. The center indicates the reference (τ=0), the right
side indicates time lag (+τ), and the left side indicates time lead
(-τ).
Linear Inverse Fourier conversion value of the transfer function (Hab)
(no units).
Example Unit impulse response waveforms