Property

Figure 1  FFT icon of the Analysis group in the Tool tab

Figure 2  Data Analysis dialog box [FFT]

FFT

•     FFT Type: Selects a type of FFT.

•    Magnitude

•    Phase

•    Power Spectral Density

•     Source Curve: Selects a curve.

•     Plot to New Page: If the user wants to draw to a new page, select Yes. If the user wants to draw to the current page, select No. (The default option is No.)

•     Add to Database: If the user wants to add a desired result to the database, select Yes. (The default option is No.)

•     Use Default Curve Name : If you want to use the default curve name like “ADD(Acc_TM-Body1(mm/s^2), Vel_TM-Body1(mm/s))”, select Yes. If not, the Chart use the Curve Name.

•     Curve Name : If “Use Default Curve Name” is No, Chart use this for a name.

Window Method

•     Window Method Type: Selects a type of the window method.

•    Square

•    Barlett

•    Welch

•    Hanning

•    Hamming

•    Blackman

•     Number of Points Type: Selects a type of the number of points.

•    Auto

•    2^n

•     n: Number n used in 2^n.

Interpolation Type

•     X Axis Region

•    Entire Region of X Axis

•    Specified Region of X Axis: Set up Min and Max.

•     Min: Minimum X value.

•     Max: Maximum Y value.