Ormsby Bandpass Filter

Tectonophysics Archimer January 2010, Volume 480, Issues 1-4 ...
After stack we applied a space and time variant Ormsby bandpass filter (upper window: 10-20-60-100 Hz, lower window: 6-12-50-100 Hz), a minimum phase predictive deconvolution and a post-stack Kirchhoff time migration with 90% of stacking velocities. ... Return Doc

Effects Of Digital Filtering In Data Processing Of Seismic ...
Tion, (iii) high-frequency filtering (Ormsby filter or lowpass Butterworth with 3rd-/4th-order for digital records), (iv) computation of response spectra bandpass filters (not only Butterworth of order 2) and to evaluate the resulting effect on time series ... View Full Source

High-resolution Seismic And Ground Penetrating Radar ...
260 G. J. Schwamborn et al. Lake Nikolay 100 km Arga Island 74N Lena 130E Lena Laptev Sea water depth sub-basin: >10 m Chirp water depth (m) sediment sampling ... Get Document

Detection Of A Landslide Glide Plane Using Seismic Reflection ...
Detection of a Landslide Glide Plane Using Seismic Reflection Methods: Investigation at Little Valley Landslide in Draper, Utah Brady E. Tingey Brigham Young University - Provo Ormsby bandpass filter (50-80-240-400), and refraction ... Fetch Here

Attenuation Of Marine Wave Swell Noise By Stacking In The ...
Attenuation of marine wave swell noise by stacking in the wavelet packet domain record before and after the application of an Ormsby bandpass filter with corner frequencies of 8Hz, 12Hz, 80Hz and 90Hz. Figure 2 shows the effectiveness of this filter ... Access Full Source

Field And Numerical Investigation Of filtered M-sequence ...
Field and Numerical investigation of filtered m-sequence pilots for Vibroseis acquisition . J. Wong*, CREWES, University of Calgary, frequency surface-wave amplitudes with an Ormsby bandpass filter (15Hz-30Hz-100Hz-200Hz). The ... Fetch Doc

Gas Hydrate In The Krishna-Godavari Basin, India
Gas Hydrate in the Krishna-Godavari Basin, India P. Dewangan (National Institute of Oceanography), P. Jaiswal* (Rice 10 -15 -80 -16 0 Hz mi nimum phase Ormsby bandpass filter is applied to the data . A n additional ... View Document

N95-10643 - NASA
N95-10643 TOTAL OZONE CHANGE ESTIMATIONS FOR DIFFERENT TIME INTERVALS Vitali E. FioleLov Central Aerological Observatory, isolation the Ormsby bandpass filter was used, which was applied by Hasebe [1980] to the total ozone series. The solar activity ... Retrieve Content

Application Of Coherent Noise Attenuation To 4-C Ocean Bottom ...
Application of Coherent Noise Attenuation to 4-C Ocean Bottom Cable Seismic Data in tackling the observed noise was to test and apply a 1-2-250-250 Hz Ormsby bandpass filter to create a 2 Fig. 5 shows a hydrophone and geophone gather after application of bandpass filter. ... Fetch Doc

CROSS-HOLE RADAR EFFECTIVENESS FOR COAL MINE-RELATED ...
CROSS-HOLE RADAR EFFECTIVENESS FOR COAL MINE-RELATED SUBSIDENCE INVESTIGATIONS Erich D. Guy and Jeffrey J. Daniels, The Ohio State University, Department of Geological Sciences, Columbus, Bandpass filter Ormsby filter: 0-30-90-120 MHz ... Read Here

MCS Processing Report - WHOI Magnetics Group
Single Ormsby Bandpass Filter(Hz) Memory Stolt FK Migration (RMS) Velocity (m/s) Note 1 20, 21, 22, 41 5-8-180-200 0-1480,7750-1520,8150-1600 2_part1 17, 27, 45, 46 5-8-180-200 0-1480,7680-1520,8150-1600 ... Get Doc

Filter (signal Processing) - Wikipedia, The Free Encyclopedia
In signal processing, a filter is a device or process that removes from a signal some unwanted component or feature. Filtering is a class of signal processing, the defining feature of filters being the complete or partial suppression of some aspect of the signal [clarification needed] ... Read Article

RadExPro 2013
RadExPro 2013 Technical Specification seismic software I/O Configurations Ormsby bandpass filter Butterworth filter notch filter 2D filtering F-K filtering F-X predictive filtering (F-X deconvolution) Radon transform (direct and inverse) ... Visit Document

Field And Numerical Investigation Of filtered M-sequence ...
Field and Numerical investigation of filtered m-sequence pilots for Vibroseis acquisition J. Wong*, CREWES, University of Calgary, frequency surface-wave amplitudes with an Ormsby bandpass filter (15Hz-30Hz-100Hz-200Hz). The ... Doc Retrieval

SEAM Phase I Model - Society Of Exploration Geophysicists
SEAM Phase I Model Design Committee . Co-Chairmen: Richard Day and Joseph Stefani . This presentation assembled from documents created by them and Reflectivity convolved with 0 -3-12-25 Hz 0-phase Ormsby bandpass filter Y=cell 1000 . ... Get Doc

Seismic Oceanography - CSUC
Seismic Oceanography A New Tool to Characterize Physical Oceanographic Structures and Processes Ormsby Bandpass Filter phase: minimum percent additive noise factor: 1. apply a notch filter? No filter frequency values 8/15-90/100 Hz ... Doc Viewer

Model Based Identification Of The Base Of The Gas Hydrate ...
The offset stacks are created after the application of a bandpass filter and amplitude recovery, while the full CMP stack is created after an additional deconvolution and automatic gain control Ormsby bandpass filter 3-6-60-120 Hz Normal Moveout (NMO) velocity analysis Every 100 CMP (~625 m) ... Retrieve Full Source

Geometry And Subsidence History Of The Dead Sea Basin: A Case ...
1 1 Geometry and subsidence history of the Dead Sea basin: A case for fluid-2 induced mid-crustal shear zone? 3 4 Uri S. ten Brink and Claudia H. Flores ... View Document

Multicomponent Processing Of Seismic Data At The Jackfish ...
An Ormsby filter of 10-15-180-240 Hz, trace equalization, and a Bandpass filter Kirchhoff time migration Remove NMO NMO Time variant scaling Trace equalization Phase rotation Noise attenuation Geometrical spreading compensation Apply elevation statics ... View Doc

Www.gein.noa.gr
Curves are high—pass filtered using the same Ormsby bandpass filter as above. The corrected acceleration, velocity and displacement for each component of an earthquake record are plotted to appropriate scales by the program V2PLOT , 19B6). ... Retrieve Content

Integrated Well-log, VSP, And Surface Seismic Analysis Of ...
An Ormsby band pass filter with corners at 30-60-150-300Hz and 500ms automatic gain control with AGC and Ormsby bandpass filter (30-60-150-300Hz and surface seismic analysis of near-surface glacial sediments: Red Lodge, Montana Author: Jingqiu Huang*, University of Houston; and Joe ... Get Content Here