estimating source parameters of 2d magnetic sources from special function: euler deconvolution, analytic signal and analytical expression of the anomalies
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depth and body type estimation of the magnetic anomalies using analytic signal and euler deconvolution.
a variety of semiautomatic methods, based on the use of derivatives of the magnetic anomalies, have been developed for the determination of both of the causative source parameters such as locations of boundaries and depths. one of these techniques is the method of the analytic signal for magnetic anomalies, which was initially used in its complex function form and makes use of the properties of...
متن کاملanalytic signal method to estimate the magnetic source parameters of 2d structures
the analytic signal method is usually used to interpret the magnetic and gravity anomalies. the main advantage of using analytic signal method in interpretation of magnetic source parameters from magnetic anomalies is that the amplitude dip of the analytic signal is independent of directional parameters like magnetization and the dip of the source. using the coefficient of the amplitude to esti...
متن کاملcombination of analytic signal and euler deconvolution methods for interpretation of 2-d magnetic data
an_eul is a new automatic method for simultaneous approximation of location, depth, and structural index (geometry) of magnetic sources. in the 2d case analytic signal is defined as a conjugate function whose imaginary part is the hilbert transform of its real part. since the first vertical derivative of the magnetic field is the hilbert transform of its horizontal derivative, vertical and hori...
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the analytic signal method is a semiautomatic method for estimating the location of causative bodies in magnetic and gravity methods. the application of analytic signal for interpretation of two dimensional (2d) structures was introduced by nabighian (1972). the analytic signal is defined as a complex function in which the real and imaginary parts are a pair of hilbert transforms. in other word...
متن کاملutomatic detection of UXO magnetic anomalies sing extended Euler deconvolution
We have developed an algorithm for the automatic detection of prospective unexploded ordnance UXO anomalies in total-field or gradient magnetic data based on the concept of the structural index SI of a magnetic anomaly. Identifying magnetic anomalies having specific structural indices enables the direct detection of potential UXO targets. The total magnetic field produced by a dipolelike source...
متن کاملAutomatic Detection of UXO Magnetic Anomalies Using Extended Euler Deconvolution
The paper presents an algorithm for automatic detection of UXO anomalies in total-field magnetic data based on the concept of structural index (SI) of a magnetic anomaly. The magnetic field produced by a dipole-like source, such as a UXO, varies with inverse distance cubed and therefore has an SI of 3. Identifying magnetic anomalies having structural indices of 3 enables direct detection of pot...
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عنوان ژورنال:
فیزیک زمین و فضاجلد ۳۹، شماره ۱، صفحات ۸۹-۱۰۵
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