→ Proximity probes, velocity sensors, and accelerometers
• Transducer selection
• Transducer mounting and natural frequency
• Measurement point selection
• Following routes, and test planning
*• Common measurement errors
→ Signal processing
• Filters: Low pass, band pass, high pass, band stop
• Sampling, aliasing, dynamic range
• Resolution, Fmax, data collection time
• Averaging: linear, overlap, peak hold, time synchronous
• Windowing and leakage