
- 42 -
Interpolation method is a processing method to connect the sampled points, using some points to
calculate the whole appearance of the waveform. Select the appropriate interpolation method
according to the actual signal.
Sine(x)/x interpolation: Connect the sampled points with curved lines.
Linear interpolation: Connect the sampled points with straight lines.
This method is suitable to
rebuild the straight-edged signals, such as square or pulse wave.
Figure 4.1 Sine(x)/x interpolation
Figure 4.2 Linear interpolation