CN102608655A - Three-component vibration signal acquisition device and method - Google Patents
Three-component vibration signal acquisition device and method Download PDFInfo
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- CN102608655A CN102608655A CN2012100585533A CN201210058553A CN102608655A CN 102608655 A CN102608655 A CN 102608655A CN 2012100585533 A CN2012100585533 A CN 2012100585533A CN 201210058553 A CN201210058553 A CN 201210058553A CN 102608655 A CN102608655 A CN 102608655A
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Abstract
The invention provides a three-component vibration signal acquisition device which comprises a first detector, a second detector, a third detector and a signal acquisition board, wherein the first detector is used for acquiring a first vibration signal in the horizontal due-east direction of the target location point; the second detector is used for acquiring a second vibration signal in the horizontal due-north direction of the target location point; the third detector is used for acquiring a third vibration signal in the vertical direction of the target location point; and the signal acquisition board is used for obtaining the first vibration signal, the second vibration signal and the third vibration signal, and performing adjustment and conversion of the first vibration signal, the second vibration signal and the third vibration signal respectively to obtain a first vibration digital signal, a second vibration digital signal and a third vibration digital signal corresponding to the first vibration signal, the second vibration signal and the third vibration signal respectively. Through the three-component vibration signal acquisition device and method provided by the invention, the vibration signals in three directions of one acquisition point can be acquired at the same time; and in outdoor work, only one device provided by the invention is required on an acquisition point, thus the workload in arranging the acquisition point is reduced.
Description
Technical field
The application relates to the seismic prospecting instrument field, particularly a kind of three-component vibration signal harvester and method.
Background technology
The seismological observation appearance is a kind of generation of earthquake, instrument of record seismic facies related parameter kept watch on.In seismic prospecting, the seismological observation appearance also is used to write down artificial excitation's seismic event.
Seismograph commonly used at present is the seismological observation appearance that adopts plug-in simple component seismoreceiver.
The simple component seismograph can obtain the seismic shock signal data of one-component in exploration, seismograph is through the wave detector of the external collection vibration signal of cable.
During acquiring seismic data, need to gather the seismic signal data of three components (due east of level, direct north and vertical direction) usually.If will obtain the seismic signal data of three components simultaneously, just need three simple component seismographs respectively external wave detector obtain three components.As shown in Figure 1, tableland shake visualizer comprises three wave detectors, three simple component seismographs.
During field work; Often need the thousands of tableland shake of hundreds of visualizer; Every simple component seismograph all needs tie geophone, then tableland shake visualizer (comprising three simple component seismographs and three wave detectors) all is placed in the heatable adobe sleeping platform that digs in advance, and buries.When adopting the simple component seismograph to gather the 3-component earthquake signal, three external three-component seismometers of simple component seismograph need be arranged in each collection point, and workload is big.
Summary of the invention
The technical matters that the application will solve provides a kind of three-component vibration signal harvester and method, and traditional three wave detectors and three simple component seismograph combinations are simplified, and has simplified assigning a work of collection point.
A kind of three-component vibration signal harvester comprises:
First detector is used to gather first vibration signal that horizontal due east of living in direction is put in the target location;
Second detector is used to gather second vibration signal that horizontal direct north of living in is put in said target location;
Third detector is used to gather the 3rd vibration signal that vertical direction of living in is put in said target location;
Signal acquiring board; Be used to obtain said first vibration signal, second vibration signal and the 3rd vibration signal, and respectively said first vibration signal, second vibration signal and the 3rd vibration signal adjustment be converted to the first vibrations digital signal corresponding with it, the second vibrations digital signal and the 3rd vibrations digital signal.
Above-mentioned device, preferred, said signal acquiring board comprises:
The signal getter is used to obtain said first vibration signal, second vibration signal and the 3rd vibration signal;
First converter is used for respectively first vibration signal, second vibration signal and the 3rd vibration signal being converted to the first vibrations electric signal corresponding with it, the second vibrations electric signal and the 3rd vibrations electric signal;
Signal conditioner is used for respectively the said first vibrations electric signal, the said second vibrations electric signal and said the 3rd vibrations electric signal being adjusted obtaining the first vibrations standard electric signal corresponding with it, the second vibrations standard electric signal and the 3rd vibrations standard electric signal;
Second converter is used for respectively the said first vibrations standard electric signal, the said second vibrations standard electric signal and said the 3rd vibrations standard electric conversion of signals being obtained the first vibrations digital signal corresponding with it, the second vibrations digital signal and the 3rd vibrations digital signal.
Above-mentioned device, preferred, also comprise:
Signal storage is used to preserve the said first vibrations digital signal, the second vibrations digital signal and the 3rd vibrations digital signal.
Above-mentioned device, preferred, said signal conditioner comprises:
Signal amplification unit; Be used for according to the enlargement factor of setting, respectively the said first vibrations electric signal, the said second vibrations electric signal and said the 3rd vibrations electric signal amplified and obtain corresponding with it first and amplify vibrations electric signal, second and amplify vibrations electric signal and the 3rd and amplify the vibrations electric signal;
Filter unit; Be used for according to filtercondition; Amplify vibrations electric signal, the second amplification vibrations electric signal and the 3rd amplification vibrations electric signal to said first respectively and filter, obtain first vibrations standard electric signal corresponding, second and shake standard electric signal and the 3rd vibrations standard electric signal with it.
Above-mentioned device, preferred, also comprise:
Impedance matching resistance is used to make the input impedance of said signal acquiring board and the output impedance of said first detector, said second detector and said third detector to be complementary.
Above-mentioned device, preferred, also comprise:
Level governor is used to regulate the horizontality of said device at target location point.
A kind of three-component vibration signal acquisition method comprises:
Gather the target location and put second vibration signal of first vibration signal of horizontal due east of living in direction, horizontal direct north and the 3rd vibration signal of vertical direction;
Obtain said first vibration signal, second vibration signal and the 3rd vibration signal, and respectively said first vibration signal, second vibration signal and the 3rd vibration signal adjustment are converted to the first vibrations digital signal corresponding with it, the second vibrations digital signal and the 3rd vibrations digital signal.
Above-mentioned method; Preferably; Obtain said first vibration signal, second vibration signal and the 3rd vibration signal, and respectively said first vibration signal, second vibration signal and the 3rd vibration signal adjustment be converted to corresponding with it first vibrations digital signal, the second vibrations digital signal and the 3rd vibrations digital signal and comprise:
Obtain said first vibration signal, second vibration signal and the 3rd vibration signal;
Respectively first vibration signal, second vibration signal and the 3rd vibration signal are converted to the first vibrations electric signal corresponding with it, the second vibrations electric signal and the 3rd vibrations electric signal;
Respectively the said first vibrations electric signal, the said second vibrations electric signal and said the 3rd vibrations electric signal are adjusted and obtained the first vibrations standard electric signal corresponding, the second vibrations standard electric signal and the 3rd vibrations standard electric signal with it;
Respectively the said first vibrations standard electric signal, the said second vibrations standard electric signal and said the 3rd vibrations standard electric conversion of signals are obtained the first vibrations digital signal corresponding with it, the second vibrations digital signal and the 3rd vibrations digital signal.
Above-mentioned method, preferred, also comprise:
The said first vibrations digital signal, the second vibrations digital signal and the 3rd vibrations digital signal are preserved.
The application provides a kind of three-component vibration signal harvester, comprising: first detector is used to gather first vibration signal that horizontal due east of living in direction is put in the target location; Second detector is used to gather second vibration signal that horizontal direct north of living in is put in said target location; Third detector is used to gather the 3rd vibration signal that vertical direction of living in is put in said target location; Signal acquiring board; Be used to obtain said first vibration signal, second vibration signal and the 3rd vibration signal, and respectively said first vibration signal, second vibration signal and the 3rd vibration signal adjustment be converted to the first vibrations digital signal corresponding with it, the second vibrations digital signal and the 3rd vibrations digital signal.Adopt the application's a kind of three-component vibration signal harvester and method; Can collect the vibration signal of three directions of a collection point simultaneously; And three vibration signals are changed respectively be adjusted into the digital signal that is suitable for transmitting; When working, need only the three-component vibration signal harvester of arranging that a playscript with stage directions application provides, the workload when reducing to arrange the collection point a collection point in the open air.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the application embodiment; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiment of the application, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the seismological observation appearance of the plug-in simple component seismoreceiver of available technology adopting;
Fig. 2 is the shell vertical view of a kind of three-component vibration signal of the application harvester;
Fig. 3 is the shell front view of a kind of three-component vibration signal of the application harvester;
Fig. 4 is the structural representation of a kind of three-component vibration signal of the application harvester embodiment 1;
Fig. 5 is the concrete structure synoptic diagram of a kind of three-component vibration signal of the application harvester embodiment 1;
Fig. 6 is another concrete structure synoptic diagram of a kind of three-component vibration signal of the application harvester embodiment 1;
Fig. 7 is the structural representation of a kind of three-component vibration signal of the application harvester embodiment 2;
Fig. 8 is the structural representation of a kind of three-component vibration signal of the application harvester embodiment 3;
Fig. 9 is the discharging figure of three wave detectors in a kind of three-component vibration signal of the application harvester;
Figure 10 is that the classics of a kind of three-component vibration signal of the application harvester use scene;
Figure 11 is the process flow diagram of a kind of three-component vibration signal of the application acquisition method embodiment 1;
Figure 12 is the concrete steps process flow diagram of a kind of three-component vibration signal of the application acquisition method embodiment 1;
Figure 13 is the process flow diagram of a kind of three-component vibration signal of the application acquisition method embodiment 2;
Figure 14 is the process flow diagram of a kind of three-component vibration signal of the application acquisition method embodiment 3.
Embodiment
To combine the accompanying drawing among the application embodiment below, the technical scheme among the application embodiment is carried out clear, intactly description, obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the application's protection.
A kind of three-component vibration signal acquisition method of the application needs to guarantee that said a kind of three-component vibration signal harvester is in horizontality.
Comprise among a kind of three-component vibration signal of the application harvester embodiment being used to regulate the level governor of said device in the horizontality of target location point, said level governor is arranged on the crust of the device, comprising: level shows bubble and level adjuster group.
Shown in Figure 2 is the shell vertical view of a kind of three-component vibration signal of the application harvester, and covering of the application's crust of the device, the level that is provided with shows bubble; In minute bubbles are arranged; Be used for display device and whether be in horizontality, when minute bubbles showed the center position of bubble in level, point was in horizontality to device in the target location; Otherwise device needs leveling.
Shown in Figure 3 is the shell front view of a kind of three-component vibration signal of the application harvester; Outer casing bottom at the application's device; Be provided with the level adjuster group, level adjuster is arranged on the bottom of device, and the installation site line of three level adjusters is formed an equilateral triangle.The minute bubbles that show bubble when level are not during at center position; Explain that device also is not in horizontality, regulate the height of level adjuster, show the center position of bubble up to minute bubbles arrival level; Point is in horizontality to device in the target location, just can carry out the vibration signal collection.
Referring to Fig. 4, show the structural representation of a kind of three-component vibration signal of the application harvester embodiment 1, comprising: first detector 101, second detector 102, third detector 103 and signal acquiring board 104;
Wherein:
Three wave detectors are concentrated in a kind of three-component vibration signal harvester that the application provides, can gather the positive north of horizontal due east, level of same target location point and the vibration signal of three directions of vertical direction simultaneously.
Signal acquiring board 104; Be used to obtain said first vibration signal, second vibration signal and the 3rd vibration signal, and respectively said first vibration signal, second vibration signal and the 3rd vibration signal adjustment be converted to the first vibrations digital signal corresponding with it, the second vibrations digital signal and the 3rd vibrations digital signal.
Wherein, referring to Fig. 5, said signal acquiring board 104 comprises signal getter 1041, first converter 1042, signal conditioner 1043 and second converter 1044;
Wherein:
Converting vibration signal into electric signal is to be difficult for the digital signal that is interfered for the vibration signal that will be vulnerable to disturb at signal acquiring board 104 converts into; But vibration signal can not directly convert digital signal into; To collect vibration signal respectively and earlier convert vibration signal into electric signal, for subsequent conversion provides the basis.
Because there are various situation such as interference in the vibration signal that collects; The electric signal that is converted to also can be influenced; So, need obtain the satisfactory first vibrations standard electric signal, the second vibrations standard electric signal and the 3rd vibrations standard electric signal to respectively the said first vibrations electric signal, the said second vibrations electric signal and said the 3rd vibrations electric signal being adjusted.
Because digital signal receives noise effect littler than vibration signal, electric signal; It is the same with transmitting terminal that digital signal can keep in transmission course preferably; And the analytic process of gathering after accomplishing needs signal accurately; So convert vibration signal into digital signal, and vibration signal can not directly convert digital signal into, need convert electric signal earlier into and convert digital signal again into.
The digital signal that transmission conversion adjustment obtains to a kind of matching used PC of three-component vibration signal harvester or PDA or GPS (global positioning system, GPS) of the utility model in, than transmission vibration signal better effects if.
Wherein, referring to Fig. 6, said signal conditioner 1043 comprises signal amplification unit 10431 and filter unit 10432;
Wherein, said signal amplification unit 10431 also comprises multiple setting subelement 104311.
Because possibly there is the less or bigger situation of signal intensity in the vibration signal that said first detector 101 and/or second detector 102 and/or third detector 103 are gathered; So need the incongruent vibration signal of intensity size be amplified or narrow down to the computer capacity of the best, set the enlargement factor of 104311 pairs of signal amplification units 10431 of subelement by multiple and set.
Owing to have undesired signal in the vibration signal that said first detector 101 and/or second detector 102 and/or third detector 103 are gathered; In order to remove these undesired signals; Real seismic signal is filtered out, need the filtering condition of filter unit 10432 be limited in the effective bandwidth of seismic shock signal.
Referring to Fig. 7, show the structural representation of a kind of three-component vibration signal harvester embodiment 2 that the application provides, the application embodiment is on the basis of embodiment 1, signal acquiring board 104 also comprises signal storage 1045.
Referring to Fig. 8, show a kind of three-component vibration signal harvester embodiment 3 structural representations that the application provides, the application embodiment is on the basis of embodiment 1, the signal acquiring board 104 of this device also comprises impedance matching resistance 1046.
When said first detector 101, second detector 102 and the output impedance of third detector 103 and the input impedance of signal acquiring board 104 are complementary, the vibration signal that wave detector collects just can not distort and convert digital signal without distortion into.
Referring to Fig. 9; Show the discharging figure of three wave detectors in a kind of three-component vibration signal harvester that the application provides; Three wave detectors are by the Cartesian coordinates discharging, can gather two horizontal directions (due east, Zheng Bei) and vertical direction vibration signal of totally three directions simultaneously, and T, L are horizontal direction among the figure; Z is a vertical direction, and L is the due east direction of level.
Referring to Figure 10, the classics that show a kind of three-component vibration signal harvester that the application provides use scene.
The use that matches of the application's a kind of three-component vibration signal harvester and signal processing software.
The target location that a kind of three-component vibration signal harvester of the application is collected puts second vibration signal of first vibration signal of horizontal due east of living in direction, horizontal direct north and the 3rd vibration signal of vertical direction is adjusted the first vibrations digital signal, the second vibrations digital signal and the 3rd vibrations digital signal that is converted to respectively, outputs to and carries out signal analysis and processing in the signal processing software.
Signal processing software can be PC (personal computer, personal computer) or PDA (personal digital assistant, palm PC) etc.
In the practical operation, at the arrow that covers indication due east or direct north of the shell that installs, during installation, according to arrow indicated direction erecting device.
In practical operation; In order to guarantee that the digital signal in a kind of three-component vibration signal harvester that the application provides can output to matching used equipment; In PC or PDA or GPS; Device also comprises: communication interface is used to the instruction of exporting said vibrations digital signal and sending with the reception support equipment.
In practical operation, in order to guarantee the power supply of a kind of three-component vibration signal harvester that the application provides, this device also comprises: chargeable source is used for said device is charged.Can charge through communication interface in chargeable source.
Corresponding with the device that a kind of three-component vibration signal of above-mentioned the application harvester embodiment is provided, referring to Figure 11, show the process flow diagram of a kind of three-component vibration signal of the application acquisition method embodiment, comprising:
Step S101: gather the target location and put second vibration signal of first vibration signal of horizontal due east of living in direction, horizontal direct north and the 3rd vibration signal of vertical direction;
Three wave detectors that a kind of three-component vibration signal of the application harvester provides are gathered the vibration signal that residing horizontal due east direction, horizontal direct north and vertical direction are put in same target location simultaneously separately.
Step S102: obtain said first vibration signal, second vibration signal and the 3rd vibration signal, and respectively said first vibration signal, second vibration signal and the 3rd vibration signal adjustment are converted to the first vibrations digital signal corresponding with it, the second vibrations digital signal and the 3rd vibrations digital signal.
This step is carried out in signal acquiring board 104; First vibration signal, second vibration signal and the 3rd vibration signal that will from first detector 101, second detector 102 and third detector 103, obtain are changed adjustment respectively; Guarantee that signal can be in effective earthquake signal bandwidth, and the digital signal of conversion vibration signal for not being subject to disturb.
Referring to Figure 12, this step specifically comprises:
Step S1021: obtain said first vibration signal, second vibration signal and the 3rd vibration signal;
Obtain second vibration signal of first vibration signal of putting horizontal due east of living in direction in the target location, horizontal direct north and the 3rd vibration signal of vertical direction respectively.
Step S1022: respectively first vibration signal, second vibration signal and the 3rd vibration signal are converted to the first vibrations electric signal corresponding with it, the second vibrations electric signal and the 3rd vibrations electric signal;
Converting vibration signal into electric signal is to be difficult for the digital signal that is interfered for the vibration signal that will be vulnerable to disturb at signal acquiring board 104 converts into; But vibration signal can not directly convert digital signal into; To collect vibration signal respectively and earlier convert vibration signal into electric signal, for subsequent conversion provides the basis.
Step S1023: the said first vibrations electric signal, the said second vibrations electric signal and said the 3rd vibrations electric signal are adjusted obtained the first vibrations standard electric signal corresponding, the second vibrations standard electric signal and the 3rd vibrations standard electric signal respectively with it;
Because there are various situation such as interference in the vibration signal that collects; The electric signal that is converted to also can be influenced; So, need obtain the satisfactory first vibrations standard electric signal, the second vibrations standard electric signal and the 3rd vibrations standard electric signal to respectively the said first vibrations electric signal, the said second vibrations electric signal and said the 3rd vibrations electric signal being adjusted.
This step specifically comprises:
Step S10231:, respectively the said first vibrations electric signal, the said second vibrations electric signal and said the 3rd vibrations electric signal are amplified and obtain corresponding with it first and amplify vibrations electric signal, second and amplify vibrations electric signal and the 3rd and amplify the vibrations electric signal according to the enlargement factor of setting;
Because possibly there is the less or bigger situation of signal intensity in the vibration signal that said first detector 101 and/or second detector 102 and/or third detector 103 are gathered, so need signal amplification unit 10431 that the incongruent vibration signal of intensity size is amplified or dwindle.
Step S10232: according to filtercondition; Amplify vibrations electric signal, the second amplification vibrations electric signal and the 3rd amplification vibrations electric signal to said first respectively and filter, obtain first vibrations standard electric signal corresponding, second and shake standard electric signal and the 3rd vibrations standard electric signal with it.
Owing to have undesired signal in the vibration signal that said first detector 101 and/or second detector 102 and/or third detector 103 are gathered; In order to remove these undesired signals; Real seismic signal is filtered out, need the filtering condition of filter unit 10432 be limited in the effective bandwidth of seismic shock signal.
Step S1024: respectively the said first vibrations standard electric signal, the said second vibrations standard electric signal and said the 3rd vibrations standard electric conversion of signals are obtained the first vibrations digital signal corresponding with it, the second vibrations digital signal and the 3rd vibrations digital signal.
Because digital signal receives noise effect littler than vibration signal, electric signal; It is the same with transmitting terminal that digital signal can keep in transmission course preferably; And the analytic process of gathering after accomplishing needs signal accurately; So convert vibration signal into digital signal, and vibration signal can not directly convert digital signal into, need convert electric signal earlier into and convert digital signal again into.
The digital signal that transmission conversion adjustment obtains to the application's a kind of matching used PC of three-component vibration signal harvester or PDA or GPS (global positioning system, GPS) in, than transmission vibration signal better effects if.
Corresponding with the device that a kind of three-component vibration signal of above-mentioned the application harvester embodiment 2 is provided; Referring to Figure 13; Show the process flow diagram of a kind of three-component vibration signal of the application acquisition method embodiment 2, after the step S1024 of a kind of three-component vibration signal of the application acquisition method embodiment 1, also comprise:
Step S1025: the said first vibrations digital signal, the second vibrations digital signal and the 3rd vibrations digital signal are preserved.
Preserve the said first vibrations digital signal, the said second vibrations digital signal and said the 3rd vibrations digital signal; In the time need the vibration data that collect being exported, again with the said first vibrations digital signal, the said second vibrations digital signal and said the 3rd vibrations digital signal output.
Referring to Figure 14, show the process flow diagram of a kind of three-component vibration signal of the application acquisition method embodiment 3, before the step S 1022 of a kind of three-component vibration signal of the application acquisition method embodiment 2, also comprise:
Step S1026: preset regularization condition.
The regularization condition of signal is the enlargement factor of signal amplification unit 10431 and the filtering condition of filter unit 10432.
Because possibly there is the less or bigger situation of signal intensity in the vibration signal that said first detector 101 and/or second detector 102 and/or third detector 103 are gathered; So need the incongruent vibration signal of intensity size be amplified or dwindles, set the enlargement factor of 104311 pairs of signal amplification units 10431 of subelement by multiple and set.
Owing to have undesired signal in the vibration signal that said first detector 101 and/or second detector 102 and/or third detector 103 are gathered; In order to remove these undesired signals; Real seismic signal is filtered out, need the filtering condition of filter unit 10432 be limited in the effective bandwidth of seismic shock signal.
Step S1022 and step S1023 only are used for representing respectively vibration signal to be converted into electric signal and signal is adjusted among the application embodiment, in the practical operation, are not restricted to this, also can adjust signal earlier, conversion again.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed all is and the difference of other embodiment that same or similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the application.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the application or scope in other embodiments among this paper.Therefore, the application will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (9)
1. a three-component vibration signal harvester is characterized in that, comprising:
First detector is used to gather first vibration signal that horizontal due east of living in direction is put in the target location;
Second detector is used to gather second vibration signal that horizontal direct north of living in is put in said target location;
Third detector is used to gather the 3rd vibration signal that vertical direction of living in is put in said target location;
Signal acquiring board; Be used to obtain said first vibration signal, second vibration signal and the 3rd vibration signal, and respectively said first vibration signal, second vibration signal and the 3rd vibration signal adjustment be converted to the first vibrations digital signal corresponding with it, the second vibrations digital signal and the 3rd vibrations digital signal.
2. device according to claim 1 is characterized in that, said signal acquiring board comprises:
The signal getter is used to obtain said first vibration signal, second vibration signal and the 3rd vibration signal;
First converter is used for respectively first vibration signal, second vibration signal and the 3rd vibration signal being converted to the first vibrations electric signal corresponding with it, the second vibrations electric signal and the 3rd vibrations electric signal;
Signal conditioner is used for respectively the said first vibrations electric signal, the said second vibrations electric signal and said the 3rd vibrations electric signal being adjusted obtaining the first vibrations standard electric signal corresponding with it, the second vibrations standard electric signal and the 3rd vibrations standard electric signal;
Second converter is used for respectively the said first vibrations standard electric signal, the said second vibrations standard electric signal and said the 3rd vibrations standard electric conversion of signals being obtained the first vibrations digital signal corresponding with it, the second vibrations digital signal and the 3rd vibrations digital signal.
3. device according to claim 1 is characterized in that, also comprises:
Signal storage is used to preserve the said first vibrations digital signal, the second vibrations digital signal and the 3rd vibrations digital signal.
4. device according to claim 2 is characterized in that, said signal conditioner comprises:
Signal amplification unit; Be used for according to the enlargement factor of setting, respectively the said first vibrations electric signal, the said second vibrations electric signal and said the 3rd vibrations electric signal amplified and obtain corresponding with it first and amplify vibrations electric signal, second and amplify vibrations electric signal and the 3rd and amplify the vibrations electric signal;
Filter unit; Be used for according to filtercondition; Amplify vibrations electric signal, the second amplification vibrations electric signal and the 3rd amplification vibrations electric signal to said first respectively and filter, obtain first vibrations standard electric signal corresponding, second and shake standard electric signal and the 3rd vibrations standard electric signal with it.
5. device according to claim 1 is characterized in that, also comprises:
Impedance matching resistance is used to make the input impedance of said signal acquiring board and the output impedance of said first detector, said second detector and said third detector to be complementary.
6. device according to claim 1 is characterized in that, also comprises:
Level governor is used to regulate the horizontality of said device at target location point.
7. a three-component vibration signal acquisition method is characterized in that, comprising:
Gather the target location and put second vibration signal of first vibration signal of horizontal due east of living in direction, horizontal direct north and the 3rd vibration signal of vertical direction;
Obtain said first vibration signal, second vibration signal and the 3rd vibration signal, and respectively said first vibration signal, second vibration signal and the 3rd vibration signal adjustment are converted to the first vibrations digital signal corresponding with it, the second vibrations digital signal and the 3rd vibrations digital signal.
8. method according to claim 7; It is characterized in that; Obtain said first vibration signal, second vibration signal and the 3rd vibration signal, and respectively said first vibration signal, second vibration signal and the 3rd vibration signal adjustment be converted to corresponding with it first vibrations digital signal, the second vibrations digital signal and the 3rd vibrations digital signal and comprise:
Obtain said first vibration signal, second vibration signal and the 3rd vibration signal;
Respectively first vibration signal, second vibration signal and the 3rd vibration signal are converted to the first vibrations electric signal corresponding with it, the second vibrations electric signal and the 3rd vibrations electric signal;
Respectively the said first vibrations electric signal, the said second vibrations electric signal and said the 3rd vibrations electric signal are adjusted and obtained the first vibrations standard electric signal corresponding, the second vibrations standard electric signal and the 3rd vibrations standard electric signal with it;
Respectively the said first vibrations standard electric signal, the said second vibrations standard electric signal and said the 3rd vibrations standard electric conversion of signals are obtained the first vibrations digital signal corresponding with it, the second vibrations digital signal and the 3rd vibrations digital signal.
9. method according to claim 7 is characterized in that, also comprises:
The said first vibrations digital signal, the second vibrations digital signal and the 3rd vibrations digital signal are preserved.
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