RS 502 Geographic Information Systems and Geophysical Signal Processing: 3 hrs

Mapping concept, data structure, data management techniques, data acquisition, global positioning system interface, data manipulation and analysis; fourier series and periodic waveforms, fourier transform and its properties. Auto-and cross-correlations, power spectrum. Delta function, unit step function. Tome domain windows. Z-transform and properties, inverse Z-transform. Principles of digital filters, moving average and recursive filters. Introduction to cepstrum and its application in seismic data processing. Pole- zero technique for designing ARIMA filters. Shaping and spiking filters using winner's principle of least square estimation. deconvolution of seismic traces: feed forward and feed backward methods, spectral factorization. Applications of two-dimensional symmetric filters for processing gravity and magnetic fields. Prerequisite: RS 501 and permission of the instructor