You need to set up a data collector to measure the full acceleration frequency spectrum for a fan system driven by a turbine at 2750 RPM and gearbox (fan shaft rotates at 1074 RPM and GMF is 68750 CPM), where peaks at typical GMF orders may be present and the GMF orders may have sidebands at 1x both shaft speeds.

a) Determine the required frequency resolution to separate data peaks in the spectrum.

b) Specify an appropriate number of samples, sampling frequency, frequency span, type of windowing, and number of spectral lines for the measurement (possible line number settings are 800, 1600, 3200, or 6400).

c) Verify your specifications provide sufficient frequency resolution to separate vibration peaks. Explain any choices that are not a direct result of calculations.