Dataplot

• Question:

  How many cyclic components?

  Dominant cyclic frequencies?

• Definition:

  Vertical Axis: Variance (Power)

  Horizontal Axis: Frequency (cycles per observation)

• Interpretation/Conclusion:

  Only 1 dominant frequency

  Dominant frequency near .3 cycles/observation

• NIST/SEMATECH Handbook Chapter:

  1. Process/Product Exploration

• Reference:

  ...

Dataplot Code:

SKIP 25

READ LEW.DAT Y

SPECTRUM Y

Dataplot Reference Manual Documentation
for SPECTRUM (requires Adobe Acrobat Reader)