Recent extensions to topological and nonlinear aspects of wave digital filter theory

2016 ◽  
Vol 140 (4) ◽  
pp. 3092-3092
Author(s):  
Kurt J. Werner
Keyword(s):  
Digital Filter ◽  
Filter Theory ◽  
Wave Digital Filter

scholarly journals Wave digital filter modeling of circuits with operational amplifiers

2016 ◽  
Author(s):  
Kurt James Werner ◽  
W. Ross Dunkel ◽  
Maximilian Rest ◽  
Michael Jorgen Olsen ◽  
Julius O. Smith
Keyword(s):  
Digital Filter ◽  
Operational Amplifiers ◽  
Wave Digital Filter

Waveform inversion and digital filter theory

Geophysics ◽  
1991 ◽  
Vol 56 (4) ◽  
pp. 534-536 ◽  
Author(s):  
S. Cardimona
Keyword(s):  
Data Analysis ◽  
Digital Filter ◽  
Seismic Data ◽  
Waveform Inversion ◽  
Model Fitting ◽  
Seismic Data Processing ◽  
Signal To Noise ◽  
Filter Theory ◽  
Modern Methods ◽  
Processing Techniques

For many years, we have used seismic data processing techniques such as digital filter theory to enhance the signal‐to‐noise (S/N) ratio of the observed data to obtain the best possible image of the subsurface. With our increased knowledge and the increasingly sophisticated computers at our disposal, modern methods of data analysis are tending to be inversions through model fitting, i.e., actually finding the best model of the subsurface which would produce the observed data.

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