Method of and means for treating gravity profiles

Claim 1

ThE method of treating a gravity profile containing gravitational anomalies extending along a distance scale which comprises the following steps each executed by automatic computing apparatus: generating and storing machine responsive signals representing the amplitudes of gravity potentials represented by said gravity profile, algebraically and progressively adding together along said profile the stored machine responsive signals representing amplitudes spaced apart by an interval, dividing the algebraic sum of said machine responsive signals by a factor proportional to the reciprocal of said interval to produce quotient machine responsive signals, and recording the quotient machine responsive signals representative of the averaged profile in correlation with the scale of said gravity profile.

Claim 2

ThE method of treating a gravity profile containing gravitational anomalies extending along a distance scale which comprises the following steps each executed by automatic computing apparatus: generating and storing machine responsive signals representing the amplitudes of gravity potentials represented by said gravity profile, algebraically and progressively adding together along said profile the stored machine responsive signals representing amplitudes spaced apart by an interval, dividing the algebraic sum of said machine responsive signals by a factor proportional to the reciprocal of said interval to produce quotient machine responsive signals, and recording the quotient machine responsive signals representative of the averaged profile in correlation with the scale of said gravity profile.

Claim 3

The method of treating gravity profiles containing gravitation anomalies which comprises the following steps each executed by automatic computing apparatus: generating and storing machine responsive signals representing said gravity profiles, generating from a stored machine responsive signal representing a gravity profile a plurality of averaged machine responsive signals representing gravity profiles smoothed by differing smoothing intervals extending along said gravity profile, and subtracting said plurality of averaged machine responsive signals one from the other to generate machine responsive signals representing difference profiles thereby to enhance the appearance of the anomalies on the several difference profiles.

Claim 4

The method of treating gravity profiles containing gravitation anomalies which comprises the following steps each executed by automatic computing apparatus: generating and storing machine responsive signals representing said gravity profiles, generating from a stored machine responsive signal representing a gravity profile a plurality of averaged machine responsive signals representing gravity profiles smoothed by differing smoothing intervals extending along said gravity profile, and subtracting said plurality of averaged machine responsive signals one from the other to generate machine responsive signals representing difference profiles thereby to enhance the appearance of the anomalies on the several difference profiles.

Claim 11

The method of treating gravity profiles containing gravitational anomalies which comprises the following steps each executed by automatic computing apparatus recording on a reproducible medium signals representative of a gravity profile with the initial and final values of the gravity potential of said profile extended a distance along said medium proportional to a distance equal to the maximum of the smoothing interval defined by the smoothing function hereinafter set forth, generating from said medium electrical signals, convolving with said electrical signals representative of said gravity profile g(t) a smoothing function U T(t) for generating averaged gravity profiles 2T/g(t) where each change of T is of the same order as the preceding change, and subtracting in succession said profiles one from the other, the longer-smoothed from the shorter-smoothed profiLes, for generating difference profiles thereby to enhance the appearance of the anomalies on the several difference profiles.

Claim 12

The method of treating gravity profiles containing gravitational anomalies which comprises the following steps each executed by automatic computing apparatus recording on a reproducible medium signals representative of a gravity profile with the initial and final values of the gravity potential of said profile extended a distance along said medium proportional to a distance equal to the maximum of the smoothing interval defined by the smoothing function hereinafter set forth, generating from said medium electrical signals, convolving with said electrical signals representative of said gravity profile g(t) a smoothing function U T(t) for generating averaged gravity profiles 2T/g(t) where each change of T is of the same order as the preceding change, and subtracting in succession said profiles one from the other, the longer-smoothed from the shorter-smoothed profiLes, for generating difference profiles thereby to enhance the appearance of the anomalies on the several difference profiles.

Claim 14

A system for treating a gravity profile containing gravitational anomalies extending along a distance scale in which system elements are interconnected to comprise: means for generating electrical signals representing the amplitudes of gravity potentials represented by said gravity profile, storage means for storing the generated electrical signals, means for extracting from said storage means a plurality of components of the signals stored therein, each time-shifted one from the other by a different smoothing interval related to said scale, summation means, pairs of said components being applied to said summation means to produce at the output thereof signals representing the difference between the pairs of components applied to the input, dividing means, the output of said summation means being applied to said dividing means, said dividing means being set to divide the output of said summation means by the smoothing interval separating the pair of components applied to the input of said summation means, the output of said divider being an electrical signal representing a gravity profile averaged over a smoothing interval, means for storing a plurality of the electrical signals each of which represents a gravity profile averaged over a smoothing interval, difference means, means for extracting from storage pairs of said electrical signals representative of averaged gravity profiles averaged over different smoothing intervals, said last-named pairs of signals being applied to said difference means, to generate at the output of said difference means an electrical signal representing a difference gravity profile, and means for recording the output of said difference means on a reproducible medium to produce a gravitational record in which the appearance of said anomalies is enhanced.

Claim 15

A system for treating a gravity profile containing gravitational anomalies extending along a distance scale in which system elements are interconnected to comprise: means for generating electrical signals representing the amplitudes of gravity potentials represented by said gravity profile, storage means for storing the generated electrical signals, means for extracting from said storage means a plurality of components of the signals stored therein, each time-shifted one from the other by a different smoothing interval related to said scale, summation means, pairs of said components being applied to said summation means to produce at the output thereof signals representing the difference between the pairs of components applied to the input, dividing means, the output of said summation means being applied to said dividing means, said dividing means being set to divide the output of said summation means by the smoothing interval separating the pair of components applied to the input of said summation means, the output of said divider being an electrical signal representing a gravity profile averaged over a smoothing interval, means for storing a plurality of the electrical signals each of which represents a gravity profile averaged over a smoothing interval, difference means, means for extracting from storage pairs of said electrical signals representative of averaged gravity profiles averaged over different smoothing intervals, said last-named pairs of signals being applied to said difference means, to generate at the output of said difference means an electrical signal representing a difference gravity profile, and means for recording the output of said difference means on a reproducible medium to produce a gravitational record in which the appearance of said anomalies is enhanced.

Claim 16

A system for treating a gravity profile containing gravitational anomalies extending along a distance scale in which system elements are interconnected to comprise: means for generatinG electrical signals varying in proportion to the amplitudes of gravity potentials represented by said gravity profile, means for storing said generated signals on a reproducible recording medium on a scale proportional to said distance scale, pickup means associated with said last-named recording medium respectively spaced one from the other by amounts respectively equal to a plurality of smoothing intervals of increasingly greater length, an adder for algebraically adding together the signals detected by said pickup means, voltage dividing means, means for applying the algebraic sum of said detected signals to said voltage dividing means for modifying the sum by a factor proportional to the reciprocal of the smoothing interval, means for recording the output of said last-named means as representative of an averaged gravity profile in correlation with said scale of said stored first-named gravity profile, and signal storing means interposed between said recording means and said voltage dividing means for storing electrical signals, together with means for reproducing the signals stored therein for application to said recording means, the electrical signals from the output of said voltage dividing means being applied to said signal storing means.

Claim 17

A system for treating a gravity profile containing gravitational anomalies extending along a distance scale in which system elements are interconnected to comprise: means for generatinG electrical signals varying in proportion to the amplitudes of gravity potentials represented by said gravity profile, means for storing said generated signals on a reproducible recording medium on a scale proportional to said distance scale, pickup means associated with said last-named recording medium respectively spaced one from the other by amounts respectively equal to a plurality of smoothing intervals of increasingly greater length, an adder for algebraically adding together the signals detected by said pickup means, voltage dividing means, means for applying the algebraic sum of said detected signals to said voltage dividing means for modifying the sum by a factor proportional to the reciprocal of the smoothing interval, means for recording the output of said last-named means as representative of an averaged gravity profile in correlation with said scale of said stored first-named gravity profile, and signal storing means interposed between said recording means and said voltage dividing means for storing electrical signals, together with means for reproducing the signals stored therein for application to said recording means, the electrical signals from the output of said voltage dividing means being applied to said signal storing means.

Claim 18

A system for treating a gravity profile containing gravitational anomalies extending along a distance scale in which system elements are interconnected to comprise: means for generating electrical signals varying in proportion to the amplitudes of gravity potentials represented by said gravity profile, means for storing said generated signals on a reproducible recording medium on a scale proportional to said distance scale, pickup means associated with said last-named recording medium respectively spaced one from the other by amounts respectively equal to a plurality of smoothing intervals of increasingly greater length, an adder for algebraically adding together the signals detected by said pickup means, voltage dividing means, means for applying the algebraic sum of said detected signals to said voltage dividing means for modifying the sum by a factor proportional to the reciprocal of the smoothing interval, means for recording the output of said last-named means as representative of an averaged gravity profile in correlation with said scale of said stored first-named gravity profile, said means for recording having a plurality of recording and reproducing means for storage signals representative of a plurality of said averaged profiles, difference means associated with said reproducing means, and means for applying pairs of said signals representative of a plurality of said averaged profiles to said difference means, said difference means generating a plurality of output signals each representing the difference between different pairs of signals recorded by said recording means.

Claim 19

A system for treating a gravity profile containing gravitational anomalies extending along a distance scale in which system elements are interconnected to comprise: means for generating electrical signals varying in proportion to the amplitudes of gravity potentials represented by said gravity profile, means for storing said generated signals on a reproducible recording medium on a scale proportional to said distance scale, pickup means associated with said last-named recording medium respectively spaced one from the other by amounts respectively equal to a plurality of smoothing intervals of increasingly greater length, an adder for algebraically adding together the signals detected by said pickup means, voltage dividing means, means for applying the algebraic sum of said detected signals to said voltage dividing means for modifying the sum by a factor proportional to the reciprocal of the smoothing interval, means for recording the output of said last-named means as representative of an averaged gravity profile in correlation with said scale of said stored first-named gravity profile, said means for recording having a plurality of recording and reproducing means for storage signals representative of a plurality of said averaged profiles, difference means associated with said reproducing means, and means for applying pairs of said signals representative of a plurality of said averaged profiles to said difference means, said difference means generating a plurality of output signals each representing the difference between different pairs of signals recorded by said recording means.

Claim 20

A system for treating a gravity profile containing gravitational anomalies extending along a distance scale in which system elements are interconnected to comprise: means for generating electrical signals varying in proportion to the amplitudes of gravity potentials represented by said gravity profile, means for storing said generated signals on a reproducible recording medium on a scale proportional to said distance scale, pickup means associated with said last-named recording medium respectively spaced one from the other by amounts respectively equal to a plurality of smoothing intervals of increasingly greater length, an adder for algebraically adding together the signals detected by said pickup means, voltage dividing means, means for applying the algebraic sum of said detected signals to said voltage dividing means for modifying the sum by a factor proportional to the reciprocal of the smoothing interval, means for recording the output of said last-named means as representative of an averaged gravity profile in Correlation with said scale of said stored first-named gravity profile, said means for recording having a plurality of recording and reproducing means for storing signals representative of a plurality of said averaged profiles, difference means associated with said reproducing means, means for applying pairs of said signals representative of a plurality of said averaged profiles being applied to said difference means, said difference means generating a plurality of output signals each representing the difference between different pairs of signals recorded by said recording means, and recording means for recording as difference profiles said output signals.

Claim 21

A system for treating a gravity profile containing gravitational anomalies extending along a distance scale in which system elements are interconnected to comprise: means for generating electrical signals varying in proportion to the amplitudes of gravity potentials represented by said gravity profile, means for storing said generated signals on a reproducible recording medium on a scale proportional to said distance scale, pickup means associated with said last-named recording medium respectively spaced one from the other by amounts respectively equal to a plurality of smoothing intervals of increasingly greater length, an adder for algebraically adding together the signals detected by said pickup means, voltage dividing means, means for applying the algebraic sum of said detected signals to said voltage dividing means for modifying the sum by a factor proportional to the reciprocal of the smoothing interval, means for recording the output of said last-named means as representative of an averaged gravity profile in Correlation with said scale of said stored first-named gravity profile, said means for recording having a plurality of recording and reproducing means for storing signals representative of a plurality of said averaged profiles, difference means associated with said reproducing means, means for applying pairs of said signals representative of a plurality of said averaged profiles being applied to said difference means, said difference means generating a plurality of output signals each representing the difference between different pairs of signals recorded by said recording means, and recording means for recording as difference profiles said output signals.

Claim 22

The method of processing data representing physical properties of the earth including anomalies extending along a distance scale which comprises the following steps each executed by automatic computing apparatus: generating and storing machine responsive signals representing the amplitudes of said physical properties along a profile, algebraically and progressively adding together along said profile the stored machine responsive signals representing amplitudes spaced apart by an interval, dividing the algebraic sum of said machine responsive signals by a factor proportional to the reciprocal of said interval, and recording the quotient of said last-named step as machine responsive signals representative of the averaged profile in correlation with the scale of said physical properties.

Claim 23

The method of processing data representing physical properties of the earth including anomalies extending along a distance scale which comprises the following steps each executed by automatic computing apparatus: generating and storing machine responsive signals representing the amplitudes of said physical properties along a profile, algebraically and progressively adding together along said profile the stored machine responsive signals representing amplitudes spaced apart by an interval, dividing the algebraic sum of said machine responsive signals by a factor proportional to the reciprocal of said interval, and recording the quotient of said last-named step as machine responsive signals representative of the averaged profile in correlation with the scale of said physical properties.