# Appendix I: Exercises

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Series | Geophysical References Series |
---|---|

Title | Digital Imaging and Deconvolution: The ABCs of Seismic Exploration and Processing |

Author | Enders A. Robinson and Sven Treitel |

Chapter | 9 |

DOI | http://dx.doi.org/10.1190/1.9781560801610 |

ISBN | 9781560801481 |

Store | SEG Online Store |

1. Suppose that *n* = 128, , , and . Here, *n* is the total number of samples in a signal and *dt* is the sampling time interval in seconds. What is the sampling frequency ? [Answer: 250 Hz.] What is the Nyquist frequency ? [Answer: 125 Hz.] What is the sampling frequency interval *df*? [Answer: 1.95313 Hz.]

2. Discuss what you see on the sketches shown in Figure I-1.

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Synthetics | Deconvolution |

## Also in this chapter

- Wavelets
- The shaping filter
- Spiking filter
- White convolutional model
- Wavelet processing
- All-pass filter
- Convolutional model
- Nonminimum-delay wavelet
- Signature deconvolution
- Vibroseis
- Dual-sensor wavelet estimation
- Deconvolution: Einstein or predictive?
- Summary