1. What is FFT?

1-1 FFT Analyzer

1-2 Why is FFT Necessary?

2.Representation of Waveforms (Sine wave and Cosine wave)

2-1 Amplitude, Phase and Frequency

2-2 Locus of Waves

2-3 Time Difference and Phase

2-4 Electrical Angle and Mechanical Angle

2-5 Rpm Order and Harmonics

2-6 Representation of Waveforms (Sum of Waveform (composition))

2-7 Representation of Waveforms (Product of waveforms)