Digital Analytical Techniques (163)

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Chapter Outline

Chapter 12 - Digital Analytical Techniques (Instrumentation for Test and Measurement)

  • Fourier Without Pain
    • Adding Sine Waves
    • Time and Frequency Domain
    • Discrete Fourier Analysis
    • Fast Fourier Transform
    • Phase of Frequency Domain Components
    • Lowest Frequency Resolvable by the FFT
    • Frequencies of all the Spectral Lines of the FFT
  • Dynamic Signal Analyzer
    • Spectrum Analyzers
    • Analog Frequency Analyzer
    • How Analyzer Presents a Single Sinusoid
  • Amplitude Error from Sweeping Too Fast
  • Parallel Filter Analyzer
  • Digital Frequency Analyzer
    • Quick Look vs. Detailed Analysis
    • Random Frequency Analysis
  • Statistical Precision of a Spectrum Analysis
  • Aliasing
    • Aliasing in the Frequency Domain
    • Anti-Aliasing Filters
    • Two Types of Aliasing Filters
  • Analog and Digital Filtering
  • Windowing
    • Effect of Windowing in the Time Domain
    • Leakage Reduction with Windowing
    • Transient Events
    • Response Window vs. Force Window
    • Comparison of Weighting Functions
  • Correlation
    • Auto- and Cross-spectra
    • Auto Correlation of Periodic Waveforms
    • Auto Correlation of a Sine Buried by Noise
    • Simulated Radar Cross Correlation
  • Coherence

Video Outline

Digital Analytical Techniques, Part 1 of 2

Fourier Without Pain • Adding Sine Waves • Time and Frequency Domain • Discrete Fourier Analysis • Fast Fourier Transform • Phase of Frequency Domain Components • Lowest Frequency Resolvable by the FFT • Frequencies of all the Spectral Lines of the FFT • Dynamic Signal Analyzer • Spectrum Analyzers • Analog Frequency Analyzer • How Analyzer Presents a Single Sinusoid • Amplitude Error from Sweeping Too Fast • Parallel Filter Analyzer • Digital Frequency Analyzer • Quick Look vs. Detailed Analysis • Random Frequency Analysis • Statistical Precision of a Spectrum Analysis • Aliasing • Aliasing in the Frequency Domain • Anti-Aliasing Filters • Two Types of Aliasing Filters • Analog Digital Filtering • Windowing • Effect of Windowing in the Time Domain • Leakage Reduction with Windowing • Windowing, continued • Transient Events • Response Window vs. Force Window • Comparison of Weighting Functions • Correlation • Auto- and Cross-spectra • Auto Correlation of Periodic Waveforms • Auto Correlation of a Sine Buried by Noise • Simulated Radar Cross Correlation • Coherence

Digital Analytical Techniques, Part 2 of 2