Basic Concepts: Decibels (dB), Sensors, Filtering (171)

Purchase Options
OnDemand Short Topics$50.00

Chapter Outline

Chapter 2 - Basic Concepts: Decibels (dB), Sensors, Filtering (Telemetry Systems)

  • Decibels
    • Power and Voltage dB
    • Reference Levels for deciBel Notation
  • Transducer Mechanisms
    • Linear Variable Differential Transducer  (LVDT)
    • Thermocouples
  • System Operating Range
  • Linearity and Non-Linearity
  • Hysteresis
  • Environmental Effects
  • Chapter 2 Exercise: Instrument a Toaster
  • Filtering...What is It?
    • Acoustic Weighting
    • Square Wave Frequency Domain
    • Filtering a Square Wave
    • Bandwidth
    • Undamped (high Q) vs. Damped (low Q) Filters
    • Filter Characteristics
      • Butterworth Filters
      • Chebyshev Filters
      • Bessel Filters

Video Outline

Basic Concepts: Decibels (dB), Sensors, Filtering

Decibels • Power and Voltage dB • Reference Levels for Decibels • It starts with you and the sensor • The Ideal Transducer • Mechanisms in General • Accelerometers • Linear Variable Differential Transducer (LVDT) • Ideal Transducer • System Operating Range • Linearity and Non-linearity • Hysteresis • Environmental Effects • Exercise: Instrument a Toaster • Filtering...What is It? • Square Wave Frequency Domain • Bandpass Filter • Filter Characteristics • Characteristics of Butterworth, Chebyshev and Bessel Filters