Fourier transform Test Questions and Answers
frequency: - Answer--number of times that a periodic event repeats itself for some standard interval of time
-Hz
-correlates to pitch perception
- F= 1/T
Period: - Answer--duration of a cycle
-(s) or (ms)
phase: - Answer-timing of wave...
difference between sine and complex waves: - Answer-sine has 1 frequency, complex
has additional frequencies
fourier analysis: - Answer-any periodic waveform, no matter how complex it is, can be
closely approximated by adding together a number of sinusoidal waves
what is the relationship between fundamental frequency and harmonics? - Answer--sine
waves that add together to make a periodic complex wave are harmonically related
-those sine waves are called harmonics
-the harmonic with the lowest frequency (the 1st harmonic), is the F0 of a complex wave
charting fourier analysis:
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