MAE 3340 Instrumentation and Measurements

Section 2: Introduction to Analog Measurement Concepts

• Section 2.1: Ohm's Law Review...(pdf) ... (Beckwith Chapters 5, and 6)
  • Ohms Law Review
  • Resistors in Series
  • Resistors in Parallel
  • Thevenin's Theorem
    • Voltage Divide Circuit
    • Voltage Dividing Potentiometer
  • Power Dissipation in a resistor
  • Types of Resistors
  • Dichipering the Resistor Color Code
  • NI LabVIEW Resistor Color Code (.zip ... VI Library)

• Section 2.2: The Analog Measurand: Time Dependent Characteristics... (Beckwith Chapter 4)
  
  • Waveforms and Signals
    • Simple, periodic
    • Complex, periodic
    • Random
  • Simple Harmonic Relationships
    • Amplitude
    • Phase Angle
  • Two-wave Harmonics Motions
  • Waveform Examples
  • Beat Frequency and Heterodyning
  • Multi Marmonic Waveforms
  • Magnitude and Phase Angle Revisited
    • Example 1: Single Sinusoid Wave
    • Example 2: Fourier Transform of "Boxcar" Square Wave Function
    • Example 3: The Electromagnetic Spectrum
    • Example 4: Triangular Waveform

• Listen to Waveforms
• Summary Integral Tables for Common Functions

• Section 2.3: Sampling, Nyquist Frequency, and Signal Aliasing ... (Beckwith Chapter 8, Sections 8.11, pp. 346 - 354, Figliola and Beasley, Chapter 7)
  • Measurements and Data Sampling
• Time Quantization and Sampling Rate Issues
  • Frame Rate and Resolution
  • Nyquist Frequency
  • Signal Aliasing
  • Frequency Resolution
  • Aliasing Example VI

• Section 2.4: Notes on the Discrete Fourier Transform ...
  • Discrete Fourier Transform and its Relationship to Fourier Series
  • Fast Fouriter transform and Computer Implementation of Harmonic Analysis
  • Examples Calculation
    • Analytical Solution for Fourier Coefficients
    • Numerical Calculation of Fourier Coefficients

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