Introduction / 1: |
Fourier Analysis / 1.1: |
Historical Development of Fourier Methods / 1.2: |
Why Use Trigonometric Functions? / 1.3: |
Fitting Sinusoids / 2: |
Curve-Fitting Approach / 2.1: |
Least Squares Fitting of Sinusoids / 2.2: |
Multiple Periodicities / 2.3: |
Orthogonality of Sinusoids / 2.4: |
Effect of Discrete Time: Aliasing / 2.5: |
Some Statistical Results / 2.6: |
Appendix |
The Search for Periodicity / 3: |
Fitting the Frequency / 3.1: |
Fitting Multiple Frequencies / 3.2: |
Some More Statistical Results / 3.3: |
Harmonic Analysis / 4: |
Fourier Frequencies / 4.1: |
Discrete Fourier Transform / 4.2: |
Decomposing the Sum of Squares / 4.3: |
Special Functions / 4.4: |
Smooth Functions / 4.5: |
The Fast Fourier Transform / 5: |
Computational Cost of Fourier Transforms / 5.1: |
Two-Factor Case / 5.2: |
Application to Harmonic Analysis of Data / 5.3: |
Examples of Harmonic Analysis / 6: |
Variable Star Data / 6.1: |
Leakage Reduction by Data Windows / 6.2: |
Tapering the Variable Star Data / 6.3: |
Wolf's Sunspot Numbers / 6.4: |
Nonsinusoidal Oscillations / 6.5: |
Amplitude and Phase Fluctuations / 6.6: |
Transformations / 6.7: |
Periodogram of a Noise Series / 6.8: |
Fisher's Test for Periodicity / 6.9: |
Complex Demodulation / 7: |
Smoothing: Linear Filtering / 7.1: |
Designing a Filter / 7.3: |
Least Squares Filter Design / 7.4: |
Demodulating the Sunspot Series / 7.5: |
Complex Time Series / 7.6: |
Sunspots: The Complex Series / 7.7: |
The Spectrum / 8: |
Periodogram Analysis of Wheat Prices / 8.1: |
Analysis of Segments of a Series / 8.2: |
Smoothing the Periodogram / 8.3: |
Autocovariances and Spectrum Estimates / 8.4: |
Alternative Representations / 8.5: |
Choice of a Spectral Window / 8.6: |
Examples of Smoothing the Periodogram / 8.7: |
Reroughing the Spectrum / 8.8: |
Some Stationary Time Series Theory / 9: |
Stationary Time Series / 9.1: |
Continuous Spectra / 9.2: |
Time Averaging and Ensemble Averaging / 9.3: |
Periodogram and Continuous Spectra / 9.4: |
Approximate Mean and Variance / 9.5: |
Properties of Spectral Windows / 9.6: |
Aliasing and the Spectrum / 9.7: |
Analysis of Multiple Series / 10: |
Cross Periodogram / 10.1: |
Estimating the Cross Spectrum / 10.2: |
Theoretical Cross Spectrum / 10.3: |
Distribution of the Cross Periodogram / 10.4: |
Distribution of Estimated Cross Spectra / 10.5: |
Alignment / 10.6: |
Further Topics / 11: |
Time Domain Analysis / 11.1: |
Spatial Series / 11.2: |
Multiple Series / 11.3: |
Higher Order Spectra / 11.4: |
Nonquadratic Spectrum Estimates / 11.5: |
Incomplete and Irregular Data / 11.6: |
References |
Author Index |
Subject Index |
Introduction / 1: |
Fourier Analysis / 1.1: |
Historical Development of Fourier Methods / 1.2: |
Why Use Trigonometric Functions? / 1.3: |
Fitting Sinusoids / 2: |
Curve-Fitting Approach / 2.1: |