A key
concept needed
starting Lab IV is
AC signal,
especially harmonic
or sinusoidal
signal. Hence, the
Apps below will help
reviewing the
background materials
Basic harmonic or
sinusoidal signal
Phasor concept
Opposite
to Fourier synthesis
is Fourier analysis:
record sound or
input signal data
for PSD analysis.
Apply digital
filter.
Utility
app for signal
analysis: for .csv
file from Scope of
Digilent AD2.