User`s guide

Spectral Analysis Example
Controls Needed for Spectral A nalysis Example (Continued)
Control Type Control Name Properties Purpose
RefEdit refedtImag
N/A Selects output
range for
imaginary part
of FFT of input
data.
RefEdit refedtPowSpect
N/A Selects output
range for power
spectral density
of input data.
The following figure shows the controls layout on the form:
4 W hen the form and controls are complete, right-click the form and click
View Code.
The following code listing shows the code to implement. Notice that this
code references the co n tro l and v ariable n ames listed in Controls Needed
for Spectral Analysis Example on page 3-19. If you used different names
3-21