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Short description The first complete and practical guide to combine signal processing and modal analysis theory with their practical applications in noise and vibration analysis, Noise and Vibration Analysis: Signal Analysis and Experimental Procedures explains how techniques are applied in modern instruments and software for noise and vibration analysis, an area that combines electrical engineering topics and the mechanical engineering topics of dynamic systems and modal analysis. Offering readers remarkably complete and comprehensive coverage, this integrated guide for practicing engineers is also suitable for advanced students new to the subject.
From the contents About the Author.
List of Abbreviations.
1.1 Noise and Vibration.
1.2 Noise and Vibration Analysis.
1.3 Application Areas.
1.4 Analysis of Noise and Vibrations.
1.6 Becoming a Noise and Vibration Analysis Expert.
2 Dynamic Signals and Systems.
2.2 Periodic Signals.
2.3 Random Signals.
2.4 Transient Signals.
2.5 RMS Value and Power.
2.6 Linear Systems.
2.7 The Continuous Fourier Transform.
2.8 Chapter Summary.
3 Time Data Analysis.
3.1 Introduction to Discrete Signals.
3.2 The Sampling Theorem.
3.4 Time Series Analysis.
3.5 Chapter Summary.
4 Statistics and Random Processes.
4.1 Introduction to the Use of Statistics.
4.2 Random Theory.
4.3 Statistical Methods.
4.4 Quality Assessment of Measured Signals.
4.5 Chapter Summary.
5 Fundamental Mechanics.
5.1 Newton's Laws.
5.2 The Single Degree-of-freedom System (SDOF).
5.3 Alternative Quantities for Describing Motion.
5.4 Frequency Response Plot Formats.
5.5 Determining Natural Frequency and Damping.
5.6 Rotating Mass.
5.7 Some Comments on Damping.
5.8 Models Based on SDOF Approximations.
5.9 The Two-degree-of-freedom System (2DOF).
5.10 The Tuned Damper.
5.11 Chapter Summary.
6 Modal Analysis Theory.
6.1 Waves on a String.
6.2 Matrix Formulations.
6.3 Eigenvalues and Eigenvectors.
6.4 Frequency Response of MDOF Systems.
6.5 Time Domain Simulation of Forced Response.
6.6 Chapter Summary.
7 Transducers for Noise and Vibration Analysis.
7.1 The Piezoelectric Effect.
7.2 The Charge Amplifier.
7.3 Transducers with Built-In Impedance Converters, 'IEPE'.
7.4 The Piezoelectric Accelerometer.
7.5 The Piezoelectric Force Transducer.
7.6 The Impedance Head.
7.7 The Impulse Hammer.
7.8 Accelerometer Calibration.
7.9 Measurement Microphones.
7.10 Microphone Calibration.
7.11 Shakers for Structure Excitation.
7.12 Some Comments on Measurement Procedures.
8 Frequency Analysis Theory.
8.1 Periodic Signals - The Fourier Series.
8.2 Spectra of Periodic Signals.
8.3 Random Processes.
8.4 Transient Signals.
8.5 Interpretation of spectra.
8.6 Chapter Summary.
9 Experimental Frequency Analysis.
9.1 Frequency Analysis Principles.
9.2 Octave and Third-octave Band Spectra.
9.3 The Discrete Fourier Transform (DFT).
9.4 Chapter Summary.
10 Spectrum and Correlation Estimates Using the DFT.