CN109581475A - Gamma ray detection Waveform generating method and gamma ray detection Waveform Simulator - Google Patents
Gamma ray detection Waveform generating method and gamma ray detection Waveform Simulator Download PDFInfo
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Abstract
This application discloses a kind of gamma ray detection Waveform generating method and gamma ray detection Waveform Simulators.A kind of gamma ray detection Waveform generating method, method include: the energy datum packet for receiving the gamma ray that host computer provides；Slave computer exports the gamma ray detection waveform of corresponding energy according to reference waveform and gamma energy data packet.According to technical solution provided by the embodiments of the present application, data packet is provided by host computer, slave computer generates the gamma ray detection waveform of simulation according to data packet and reference waveform, obtains a kind of method for realizing gamma ray detection Waveform Simulator.
Description
Technical field
The present disclosure relates generally to gamma ray detection field more particularly to gamma ray detection Waveform generating method and gammas
X-ray detection X Waveform Simulator.
Background technique
Gamma ray monitor (GRM, Gama Ray Monitor) includes three kinds of detectors, is gamma ray detection respectively
Device (GRD, Gama Rray Detector), GRM calibration detector (GCD, GRM Calibration Detector) and GRM
Sub- detector (GPM, GRM Particle Monitor).
True GRD detector generally include composite crystal, photomultiplier tube, magnetic screen, divider, probe electronics,
Shell and corresponding encapsulation.It is made of, and passes through beryllium window, charged particles shielding, sodium iodide crystal, quartz glass inside composite crystal
Silica gel packaging uses multilayer nest shielding design in crystal interior of shell, magnetic screen.Probe electronics include amplifier, high pressing mold
Block, high voltage control signal driving circuit and high-voltage detecting circuit etc..On the searching surface of space gamma-ray irradiation to GRD,
Corresponding detection waveform will be generated.
True GCD calibration detector generally comprises the plastic scintillant for being embedded with 241Am radioactive source, silicon photomultiplier transit
(SiPM) and read-out electronics are managed, GCD is located next to GRD beryllium window, is mounted on crystal shell.A radioactive source is stored in GCD, it should
Radioactive source can generate gamma ray and a α particle in decay process, after the searching surface of gamma-ray irradiation to GRD, meeting
Generate corresponding calibration detection waveform.
True GPM particle detector usually by plastic scintillant, scintillator cap, high-pressure modular, PMT divider, PMT,
Magnetic shielding cylinder, shock-absorbing sleeve, high pressure telemetry circuit and pre-amplifier section composition.GPM is used for space exploration charged particle, electrification
When particle-irradiation is to the surface GPM, corresponding particle detection waveform is generated.
In certain test occasions needed using gamma ray monitor output waveform, without starting gamma ray every time
Monitor obtains waveform.Using gamma ray detection Waveform Simulator, cost is not only reduced, is also eliminated using radioactivity
Substance bring insecurity.
The ancillary equipment or device for simulating real equipment are known as simulator.The electricity of simulator main analog real equipment connects
Mouth, data flow, power spectrum output and detection waveform.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, being intended to provide one kind can be used in simulating gamma ray monitor
Gamma ray detection Waveform Simulator and gamma ray detection Waveform generating method.
In a first aspect, providing a kind of gamma ray detection Waveform generating method, method includes:
Receive the energy datum packet for the gamma ray that host computer provides；
Slave computer exports the gamma ray detection wave of corresponding energy according to reference waveform and gamma energy data packet
Shape.
In one or more embodiments of the application, energy datum packet includes probe data packet, calibration probe data packet；
Probe data packet includes calibration detection synchrodata, the first relative time data, energy datum, and energy datum includes
Low gain energy datum, high-gain energy datum；
Demarcating probe data packet includes calibration detection synchronous regime data, the second relative time data and calibration energy number
According to.
In one or more embodiments of the application, host computer is used for:
The corresponding least energy in each energy road and ceiling capacity are set；
The corresponding energy road of each energy datum is determined according to energy road energy corresponding relationship, and energy data are converted to can road number
According to being sent to slave computer.
In one or more embodiments of the application, according to reference waveform and gamma energy data packet, output is corresponded to
The gamma ray detection waveform of energy includes:
According to waveforms amplitude principle identical with the ratio of energy and energy energy road corresponding relationship, calculate from host computer
The amplitude of waveform each point is detected corresponding to received energy track data, the reference waveform is the corresponding waveform of prescribed energy；
According to the first relative time, the generation time of each detection waveform is calculated, and as corresponding detection waveform starting point
Generation time, the first relative time data refer to the time interval between adjacent detector waveform.
In one or more embodiments of the application, according to reference waveform and gamma energy data packet, output is corresponded to
The gamma ray detection waveform of energy further include:
By each point amplitude of detection waveform calculated compared with critical value, if more than critical value, more by the amplitude of the point
It is newly critical value.
In one or more embodiments of the application, further includes:
Synchrodata is detected according to calibration, judges whether to generate calibration detection waveform, if YES then the second time of starting meter
Calculate unit；
According to calibration detection synchronous regime and the second relative time, the generation time of calibration detection waveform is calculated, calibration is visited
The sequencing that synchronous regime is used to indicate calibration detection waveform with detects waveform is surveyed, the second relative time data refer to that calibration is visited
It surveys the time difference between waveform and corresponding detection waveform, calibration detection waveform is waveform corresponding with the calibration energy datum.
In one or more embodiments of the application, gamma energy data packet includes particle detection data packet, particle
Probe data packet includes third relative time, particle energy；
At this point, gamma ray detection data packet further includes particle detection synchrodata.
In one or more embodiments of the application, further includes:
According to particle detection synchrodata, judge whether to generate particle detection waveform, if YES then starting third time meter
Calculate unit；
According to third relative time, the generation time of particle detection waveform is calculated, third relative time data include particle
It detects waveform and detects the time difference between waveform, particle detection waveform is waveform corresponding with particle energy.
In one or more embodiments of the application, further includes:
Using digital analog converter, the generation time of amplitude and waveform based on each point exports corresponding waveform.
Second aspect, provides a kind of gamma ray detection Waveform Simulator, and simulator includes:
Host computer is configured to provide for the energy datum packet of gamma ray；
Slave computer, the gamma for being configured to export corresponding energy according to reference waveform and gamma energy data packet are penetrated
Line detects waveform.
In one or more embodiments of the application, energy datum packet includes probe data packet, calibration probe data packet；
Probe data packet includes calibration detection synchrodata, the first relative time data, energy datum, and energy datum includes
Low gain energy datum, high-gain energy datum；
Demarcating probe data packet includes calibration detection synchronous regime data, the second relative time data and calibration energy number
According to.
In one or more embodiments of the application, host computer includes:
Energy road energy corresponding unit is configured to that the corresponding least energy in each energy road and ceiling capacity is arranged；
Energy road converting unit is configured to determine the corresponding energy road of each energy datum according to energy road energy corresponding relationship, and
Energy data are converted into energy track data and are sent to slave computer.
In one or more embodiments of the application, slave computer includes:
First amplitude computing unit is configured to according to waveforms amplitude principle identical with the ratio of energy and energy
Can road corresponding relationship, calculate from the received amplitude that can detect waveform each point corresponding to track data of host computer, the standard
Waveform is the corresponding waveform of prescribed energy；
First time computing unit is configured to calculate the generation time of each detection waveform according to the first relative time, and
As the generation time of corresponding detection waveform starting point, the first relative time data referred between the time between adjacent detector waveform
Every.
In one or more embodiments of the application, slave computer includes:
Threshold determining unit is configured to each point amplitude by detection waveform calculated compared with critical value, if greatly
In critical value, the amplitude of the point is updated to critical value.
In one or more embodiments of the application, slave computer includes:
First judging unit is configured to detect synchrodata according to calibration, judges whether to generate calibration detection waveform, if
To be to start the second time calculating unit；
Second time calculating unit is configured to calculate calibration according to calibration detection synchronous regime and the second relative time
The generation time of waveform is detected, calibration detection synchronous regime is used to indicate calibration detection waveform and detects the sequencing of waveform,
Second relative time data refer to the time difference between calibration detection waveform and corresponding detection waveform, and calibration detection waveform is and mark
Determine the corresponding waveform of energy datum.
In one or more embodiments of the application, gamma energy data packet includes particle detection data packet, particle
Probe data packet includes third relative time, particle energy；
At this point, gamma ray detection data packet further includes particle detection synchrodata.
In one or more embodiments of the application, slave computer includes:
Second judgment unit is configured to judge whether generation particle detection waveform according to particle detection synchrodata, if
To be to start third time calculating unit；
Third time calculating unit is configured to calculate the generation time of particle detection waveform according to third relative time,
Third relative time data include particle detection waveform and detect the time difference between waveform, and particle detection waveform is and particle energy
Measure corresponding waveform.
In one or more embodiments of the application, slave computer further includes
D/A conversion unit is configured to the generation time of amplitude and waveform based on each point, exports corresponding wave
Shape.
According to technical solution provided by the embodiments of the present application, the data packet provided by host computer, slave computer is according to data
Packet and reference waveform generate the gamma ray detection waveform of simulation, obtain a kind of side for realizing gamma ray detection Waveform Simulator
Method.Further, according to some embodiments of the application, by the way that energy data are converted to energy track data, moreover it is possible to solve to calculate
Huge problem is measured, the effect for simplifying calculation amount is obtained, is further visited by setting calibration in gamma energy data packet
Synchrodata and particle detection synchrodata are surveyed, whether be capable of selectivity generates calibration detection when being set in generation detection waveform
Waveform and particle detection waveform obtain the effect flexibly set.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 shows the exemplary process diagram of the gamma ray detection Waveform generating method according to the embodiment of the present application；
Fig. 2 shows the exemplary structure schematic diagrames according to the probe data packet of the embodiment of the present application；
Fig. 3 shows the illustrative diagram of the first relative time data and energy datum according to the embodiment of the present application；
Fig. 4 shows the illustrative diagram distributed according to the energy road of the embodiment of the present application；
Fig. 5 shows the exemplary structure schematic diagram of the calibration probe data packet according to the embodiment of the present application；
Fig. 6 shows the exemplary process diagram of the determination probing wave graphic data according to the step S20 of the embodiment of the present application；
Fig. 7 shows the exemplary stream that calibration detection Wave data is determined according to the step S20 of another embodiment of the application
Cheng Tu；
Fig. 8 shows the exemplary structure schematic diagram of the particle detection data packet according to the embodiment of the present application；
Fig. 9 shows the exemplary process diagram that particle Wave data is determined according to the step S20 of the another embodiment of the application；
Figure 10 shows the exemplary block diagram of the gamma ray detection Waveform Simulator according to the embodiment of the present application；
Figure 11 shows the exemplary structure frame of the gamma ray detection Waveform Simulator according to another embodiment of the application
Figure.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Each detector of usual gamma ray monitor can have different configurations, such as a gamma ray monitor can wrap
Including a GRM has 3 GRD, 3 GCD and 1 GPM.Alternatively, GPM can not be configured according to the scene of practical application.Here not
It enumerates again.It should be noted that the waveform catalog according to caused by different configurations can be different.When in monitor include GRD
When with GCD, generated waveform includes generating in detection waveform and GCD on space gamma-ray irradiation to the searching surface of GRD
The calibration detection waveform generated after the gamma-ray irradiation to the searching surface of GRD of embedding radioactive source transmitting.When in monitor also
It further include that charged particle is irradiated to particle detection waveform caused by the surface GPM when including GPM.
Illustrate gamma ray detection Waveform generating method below with reference to Fig. 1 to Fig. 7.Wherein, Fig. 1 is shown according to the application
The exemplary process diagram of the gamma ray detection Waveform generating method of embodiment；Fig. 2 shows the spies according to the embodiment of the present application
The exemplary structure schematic diagram of measured data packet；Fig. 3 shows the first relative time data and energy according to the embodiment of the present application
The illustrative diagram of data；Fig. 4 shows the illustrative diagram distributed according to the energy road of the embodiment of the present application；Fig. 5 is shown
According to the exemplary structure schematic diagram of the calibration probe data packet of the embodiment of the present application；Fig. 6 is shown to be implemented according to the application
The step S20 of example determines the exemplary process diagram of detection Wave data；Fig. 7 shows the step according to another embodiment of the application
Rapid S20 determines the exemplary process diagram of calibration detection Wave data.
As shown, this method comprises:
Step S10 receives the energy datum packet for the gamma ray that host computer provides；
Step S20, slave computer export the gamma ray of corresponding energy according to reference waveform and gamma energy data packet
Detect waveform.
In step S10, the energy datum packet of the gamma ray can output data based on practical gamma ray monitor and
Processing acquisition is carried out for the output data.Energy datum packet includes probe data packet, calibration probe data packet.
Fig. 2 and Fig. 5 provides probe data packet respectively and demarcates the exemplary structure of probe data packet.
Probe data packet indicated using 32, and each is expressed as follows:
Bit29-31, the sequence number for identification data packet；
Bit28, for indicating whether to generate calibration detection waveform, GDC is synchronized when setting 1, indicates that slave computer can synchronize life
Waveform is detected at calibration；GDC is synchronized when setting 0, indicates that slave computer does not generate calibration detection waveform.
When bit29 sets 1, for indicating whether particle detection waveform to be generated, GPM is synchronized when setting 1, indicates that slave computer can be same
Step generates particle detection waveform, and GPM is synchronized when setting 0, indicates that slave computer does not generate particle detection waveform.
Bit26-24 indicates the time interval between current probe data packet and previous probe data packet, unit 1us
(microsecond).
Bit13-7 and bit6-0 respectively indicate low-gain channel energy datum and with high-gain channel energy data.
As shown in figure 3, provide the example of the first relative time and energy datum, wherein the time of the first row is
0.002104696, indicate that the detection waveform was generated at the 0.002104696th second, energy value 26.621Kev.Second row
Time is 0.002156524, indicates that the detection waveform was generated at the 0.002156524th second, energy value 37.659Kev.Two
The relative time of person is 0.000051828 second.It is as also shown in fig. 4, provide the corresponding least energy in each energy road and ceiling capacity.It is logical
Corresponding relationship between the road Guo Tu4Neng energy can determine that the energy of 26.621Kev belongs to energy road 19, the energy of 37.659Kev
Amount belong to can road 26, and will track data be sent to slave computer.Such simplified way advantageously reduces the calculation amount of slave computer
And volume of transmitted data.
In addition, respectively the maximum energy value and minimum energy value in energy road configure according to actual needs, here without limitation.
Calibration probe data packet is indicated using 32, as shown, everybody is expressed as follows:
Bit29-31, the sequence number for identification data packet；
Bit28 indicates calibration detection waveform and detects the sequencing of waveform output；When setting 1, indicate on a timeline,
The generation time of calibration detection waveform detects the generation time of waveform rear preceding；When setting 0, indicate on a timeline, probing wave
The generation time of shape is preceding, and the generation time of calibration detection waveform is rear.
Bit26-7 indicates calibration detection waveform and detects the time difference of waveform generation time, unit 10ns.
It is understood that host computer needs to send corresponding calibration and visits when the position the bit28 of probe data packet is " 1 "
Measured data packet.
After slave computer receives probe data packet and calibration probe data packet, each waveform is calculated according to the content of data packet
Amplitude and generation time.
Reference waveform is preserved in slave computer.Reference waveform is the corresponding waveform of prescribed energy.It can be used in reference waveform
Maximum amplitude is that critical value obtains waveform, or the correspondence waveform in certain energy road is set according to application scenarios.
In some embodiments, according to reference waveform and gamma energy data packet, the gamma for exporting corresponding energy is penetrated
Line detects waveform
Step S21 is calculated according to waveforms amplitude principle identical with the ratio of energy and energy energy road corresponding relationship
From the received amplitude that can detect waveform each point corresponding to track data of host computer；
Step S22 calculates the generation time of each detection waveform according to the first relative time, and detects waveform as corresponding
The generation time of starting point, the first relative time data refer to the time interval between adjacent detector waveform.
In step S21, reference waveform corresponds to the corresponding waveform of a certain prescribed energy, by maximum amplitude is to face in the present embodiment
The waveform of dividing value is as reference waveform.Reference waveform is made of several points, takes in the present embodiment at 125 points.It is understood that
It can be according to the quantity of practical application scene set point, here without limitation.Slave computer receives the spy comprising the road a Ge Neng information
When measured data packet, a detection waveform will be generated, if not only having included low gain data in a probe data packet but also having included high-gain
When data, two detection waveforms will be generated.
In addition, calculating is connect according to waveforms amplitude principle identical with the ratio of energy and energy energy road corresponding relationship
The amplitude of the corresponding detection waveform each point in the road Shou Neng.
For example, reference waveform be energy 350Kev detection waveform, reference waveform each point amplitude be f1, f2, f3 ...,
F125, the received energy road of institute is 26 at this time, and corresponding energy value is 38.31119Kev, then the amplitude of corresponding detection waveform each point
Are as follows:
Wherein, calculate can the corresponding energy in road when, will be in the energy where the energy road according to the corresponding relationship in energy energy road
Between energy of the value as the energy road, it is to be understood that, can be according to the scene settings energy road of application to should be able in practical application
The computation rule of amount.
In step S22, the correspondence relative time in the road step 21 Zhong Neng 26 is 0.000051828 second, then previous when setting
The generation time of a waveform is T, and the generation time of the corresponding waveform in the road Ze Neng 26 is T+0.000051828 seconds., and visited as corresponding
Survey the generation time of waveform starting point.
When true gamma ray monitor GRM receives large energy gamma ray, partial amplitude in generated waveform
Occurs saturated phenomenon beyond critical value.Simulator is also provided with critical to simulate true gamma ray monitor strictly according to the facts
Value λ.When amplitude calculated is greater than critical value λ for appearance saturation waveform in the step s 21.
For example, in the present embodiment, critical value 350Kev, if in the step s 21, calculating acquisition
Numerical value be 358Kev, then the amplitude is more than 350Kev, thereforeThe amplitude of corresponding points is updated to critical value
350Kev。
The application also provides the production method of calibration detection waveform, and the production method of calibration detection waveform includes:
Step S23 detects synchrodata according to calibration, judges whether to generate calibration detection waveform, if YES then starting the
Two time calculating units；
Step S24, according to calibration detection synchronous regime and the second relative time, when calculating the generation of calibration detection waveform
Between, calibration detection synchronous regime is used to indicate calibration detection waveform and detects the sequencing of waveform, the second relative time data
Refer to the time difference between calibration detection waveform and corresponding detection waveform, calibration detection waveform is corresponding with calibration energy datum
Waveform.
In step S23, the calibration detection synchrodata true and false of the position bit28 in probe data packet is judged, if it is 1,
It needs to generate calibration detection waveform, does not otherwise generate calibration detection waveform.
In step S24, the generation time of calibration detection waveform is calculated by the result of step S23.First, it is determined that calibration is visited
The true and false of the calibration detection GCD synchronous regime of the position bit28 in measured data packet illustrates the production of calibration detection waveform if it is 1
Life is before detection waveform generates.Later, it is calculated by the second relative time of bit26~7 in calibration probe data packet
The time difference of the two.For example, when calibration detection GCD synchronous regime is 1, the generation time of corresponding detection waveform is t1, second
When relative time is △ t, the generation time of calibration detection waveform is t1- △ t.In the present embodiment, calibration detection waveform is a finger
Standing wave shape, i.e. its each point amplitude for forming waveform are preset value.
Please refer to Fig. 8 and Fig. 9, wherein Fig. 8 is shown according to the exemplary of the particle detection data packet of the embodiment of the present application
Structural schematic diagram；Fig. 9 shows the exemplary stream that particle Wave data is determined according to the step S20 of the another embodiment of the application
Cheng Tu.
The application also provides the production method of particle detection waveform, and the production method of particle detection waveform includes:
Step S25 judges whether to generate particle detection waveform according to particle detection synchrodata, if YES then starting the
Three time calculating units；
Step S26 calculates the generation time of particle detection waveform, third relative time data according to third relative time
Comprising the time difference between particle detection waveform and detection waveform, particle detection waveform is waveform corresponding with particle energy.
In step S25, the particle detection synchrodata true and false of the position bit27 in probe data packet is judged, if it is 1,
It needs to generate particle detection waveform, does not otherwise generate the particle detection waveform.It is understood that when probe data packet
Bit27 be " 1 " when, host computer needs to send corresponding particle detection data packet.
In step S26, the generation time of particle detection waveform is calculated by the result of step S25.Pass through particle detection number
The time difference of the two is calculated according to the third relative time of bit26~7 in packet.For example, when particle detection GPM synchrodata is
1, when the generation time of corresponding detection waveform is t2, third relative time is △ t, the generation time of particle detection waveform is t2
+△t.In, particle energy can be a fixed value, and particle detection waveform is corresponding with the particle energy one specified at this time
Waveform；Alternatively, particle energy is also possible to the particle energy data changed over time.Particle energy can be set according to application scenarios
Data, here without limitation.
The detection waveform obtained, calibration detection waveform, the amplitude data of particle detection waveform and production are calculated in preceding description
The raw time, it is sent to digital analog converter, exports corresponding waveform.
Then, Figure 10 and Figure 11 are please referred to, wherein Figure 10 shows the gamma ray detection wave according to the embodiment of the present application
The exemplary block diagram of shape simulator；Figure 11 shows the gamma ray detection waveform modelling according to another embodiment of the application
The exemplary block diagram of device.
The application also provides a kind of gamma ray detection Waveform Simulator.The gamma ray detection Waveform Simulator 200 packet
It includes:
Host computer 210 is configured to provide for the energy datum packet of gamma ray；
Slave computer 220 is configured to export the gamma of corresponding energy according to reference waveform and gamma energy data packet
X-ray detection X waveform.
In some embodiments, energy datum packet includes probe data packet, calibration probe data packet；
Probe data packet includes calibration detection synchrodata, the first relative time data, energy datum, and energy datum includes
Low gain energy datum, high-gain energy datum；
Demarcating probe data packet includes calibration detection synchronous regime data, the second relative time data and calibration energy number
According to.
In some embodiments, host computer 210 includes:
Energy road energy corresponding unit 211 is configured to that the corresponding least energy in each energy road and ceiling capacity is arranged；
Energy road converting unit 212 is configured to determine the corresponding energy road of each energy datum according to energy road energy corresponding relationship,
And energy data are converted into energy track data and are sent to slave computer.
In some embodiments, slave computer 220 includes:
First amplitude computing unit 221, is configured to according to waveforms amplitude principle identical with the ratio of energy, calculate from
The amplitude of waveform each point is detected corresponding to the received energy track data of host computer；
First time computing unit 222, when being configured to calculate the generation of each detection waveform according to the first relative time
Between, and the generation time as corresponding detection waveform starting point, the first relative time data refer between adjacent detector waveform when
Between be spaced.
In some embodiments, slave computer 220 includes:
Threshold determining unit 223 is configured to each point amplitude by detection waveform calculated compared with critical value, if
Greater than critical value, the amplitude of the point is updated to critical value.
In some embodiments, slave computer 220 includes:
First judging unit 224 is configured to detect synchrodata according to calibration, judges whether to generate calibration probing wave
Shape, if YES then the second time calculating unit of starting；
Second time calculating unit 225 is configured to calculate mark according to calibration detection synchronous regime and the second relative time
Surely the generation time of waveform is detected, calibration detection synchronous regime is used to indicate calibration detection waveform and detects the successive suitable of waveform
Sequence, the second relative time data refer to the time difference between calibration detection waveform and corresponding detection waveform, and calibration detection waveform is
Waveform corresponding with calibration energy datum.
In some embodiments, Ma ray energy data packet includes particle detection data packet, and particle detection data packet includes
Third relative time, particle energy；
At this point, gamma ray detection data packet further includes particle detection synchrodata.
In some embodiments, slave computer includes:
Second judgment unit 226 is configured to judge whether to generate particle detection wave according to particle detection synchrodata
Shape, if YES then starting third time calculating unit；
Third time calculating unit 227, when being configured to calculate the generation of particle detection waveform according to third relative time
Between, third relative time data include particle detection waveform and detect the time difference between waveform, and particle detection waveform is and grain
The corresponding waveform of sub- energy.
In some embodiments, slave computer 220 further includes
D/A conversion unit 228 is configured to the generation time of amplitude and waveform based on each point, exports corresponding
Waveform.I.e. for the amplitude and generation obtained respectively based on probe data packet, calibration probe data packet and particle detection data packet
Time exports corresponding waveform.
As shown in Figure 10, from hardware composition, host computer 310 can be using desktop computer, laptop, plate electricity
The personal computers such as brain (PC machine) 311, PC machine can be used for executing can road energy corresponding unit 211 and energy road converting unit 212
The function and method of realization.Slave computer may include USB communication chip 321, field-programmable (FPGA) chip 322, high-speed figure
Analog converter (DAC) 323 and filter circuit 324.Wherein USB communication chip 321 realizes the communication with PC machine 311；FPGA core
Piece 322 can be used for executing first amplitude computing unit 221, first time computing unit 222, threshold determining unit 223, first
The function that judging unit 224, the second time calculating unit 225, second judgment unit 226, third time calculating unit 227 are realized
Energy and method；High-speed DAC is equivalent to D/A conversion unit 228, for the generation time based on amplitude and waveform, output pair
The waveform answered；Filter circuit is for being filtered forementioned waveform.
Flow chart and block diagram in attached drawing are illustrated according to the system of various embodiments of the invention, method and computer journey
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
A part of one module, program segment or code of table, a part of the module, program segment or code include one or more
Executable instruction for implementing the specified logical function.It should also be noted that in some implementations as replacements, institute in box
The function of mark can also occur in a different order than that indicated in the drawings.For example, two boxes succeedingly indicated are practical
On can be basically executed in parallel, they can also be executed in the opposite order sometimes, and this depends on the function involved.Also it wants
It is noted that the combination of each box in block diagram and or flow chart and the box in block diagram and or flow chart, Ke Yiyong
The dedicated hardware based system of defined functions or operations is executed to realize, or can be referred to specialized hardware and computer
The combination of order is realized.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (18)
1. a kind of gamma ray detection Waveform generating method, which is characterized in that the described method includes:
Receive the energy datum packet for the gamma ray that host computer provides；
Slave computer exports the gamma ray detection wave of corresponding energy according to reference waveform and the gamma energy data packet
Shape.
2. gamma ray detection Waveform generating method according to claim 1, which is characterized in that the energy datum packet
Include probe data packet, calibration probe data packet；
The probe data packet includes calibration detection synchrodata, the first relative time data, energy datum, the energy datum
Including low gain energy datum, high-gain energy datum；
Demarcating probe data packet includes calibration detection synchronous regime data, the second relative time data and calibration energy datum.
3. gamma ray detection Waveform generating method according to claim 2, which is characterized in that the host computer is used for:
The corresponding least energy in each energy road and ceiling capacity are set；
The corresponding energy road of each energy datum is determined according to energy road energy corresponding relationship, and the energy datum is converted
The slave computer is sent to for energy track data.
4. gamma ray detection Waveform generating method according to claim 3, which is characterized in that described according to reference waveform
With the gamma energy data packet, the gamma ray detection waveform for exporting corresponding energy includes:
According to waveforms amplitude principle identical with the ratio of energy and energy energy road corresponding relationship, calculate from described
The amplitude of waveform each point is detected corresponding to the received energy track data of position machine, the reference waveform is the corresponding wave of prescribed energy
Shape；
According to first relative time, the generation time of each detection waveform is calculated, and as corresponding detection waveform starting point
Generation time, the first relative time data refer to the time interval between adjacent detector waveform.
5. gamma ray detection Waveform generating method according to claim 4, which is characterized in that described according to reference waveform
With the gamma energy data packet, the gamma ray detection waveform of corresponding energy is exported further include:
By each point amplitude of detection waveform calculated compared with critical value, if more than critical value, the amplitude of the point is updated to
The critical value.
6. gamma ray detection Waveform generating method according to claim 1, which is characterized in that further include:
Synchrodata is detected according to the calibration, judges whether to generate the calibration detection waveform, if YES then when starting second
Between computing unit；
Synchronous regime and second relative time are detected according to the calibration, when calculating the generation of the calibration detection waveform
Between, the calibration detection synchronous regime is used to indicate the sequencing of the calibration detection waveform and the detection waveform, described
Second relative time data refer to the time difference between the calibration detection waveform and corresponding detection waveform, the calibration probing wave
Shape is waveform corresponding with the calibration energy datum.
7. gamma ray detection Waveform generating method according to claim 1, which is characterized in that the energy datum packet
Particle detection data packet is included, the particle detection data packet includes third relative time, particle energy；
At this point, the gamma ray detection data packet further includes particle detection synchrodata.
8. gamma ray detection Waveform generating method according to claim 7, which is characterized in that further include:
According to the particle detection synchrodata, judge whether to generate the particle detection waveform, if YES then when starting third
Between computing unit；
According to the third relative time, the generation time of the particle detection waveform, the third relative time data are calculated
Comprising the time difference between the particle detection waveform and the detection waveform, the particle detection waveform is and the particle energy
Measure corresponding waveform.
9. according to the described in any item gamma ray detection Waveform generating methods of claim 4,6,8, which is characterized in that also wrap
It includes:
Using digital analog converter, the generation time of the amplitude and each point based on each point exports corresponding waveform.
10. a kind of gamma ray detection Waveform Simulator, which is characterized in that the simulator includes:
Host computer is configured to provide for the energy datum packet of gamma ray；
Slave computer, the gamma for being configured to export corresponding energy according to reference waveform and the gamma energy data packet are penetrated
Line detects waveform.
11. gamma ray detection Waveform Simulator according to claim 10, which is characterized in that the energy datum packet
Include probe data packet, calibration probe data packet；
The probe data packet includes calibration detection synchrodata, the first relative time data, energy datum, the energy datum
Including low gain energy datum, high-gain energy datum；
Demarcating probe data packet includes calibration detection synchronous regime data, the second relative time data and calibration energy datum.
12. gamma ray detection Waveform Simulator according to claim 11, which is characterized in that the host computer includes:
Energy road energy corresponding unit is configured to that the corresponding least energy in each energy road and ceiling capacity is arranged；
Energy road converting unit is configured to determine the corresponding energy of each energy datum according to energy road energy corresponding relationship
Road, and the energy datum is converted into energy track data and is sent to the slave computer.
13. gamma ray detection Waveform Simulator according to claim 12, which is characterized in that the slave computer includes:
First amplitude computing unit is configured to according to waveforms amplitude principle identical with the ratio of energy and the energy
Can road corresponding relationship, calculate from the received amplitude that can detect waveform each point corresponding to track data of the host computer, the mark
Waveform is the corresponding waveform of prescribed energy；
First time computing unit is configured to calculate the generation time of each detection waveform according to first relative time, and
As the generation time of corresponding detection waveform starting point, the first relative time data refer to the time between adjacent detector waveform
Interval.
14. gamma ray detection Waveform Simulator according to claim 13, which is characterized in that the slave computer includes:
Threshold determining unit is configured to each point amplitude by detection waveform calculated compared with critical value, if more than facing
The amplitude of the point is updated to the critical value by dividing value.
15. gamma ray detection Waveform Simulator according to claim 10, which is characterized in that the slave computer also wraps
It includes:
First judging unit is configured to detect synchrodata according to the calibration, judges whether to generate the calibration probing wave
Shape, if YES then the second time calculating unit of starting；
Second time calculating unit is configured to detect synchronous regime and second relative time according to the calibration, calculate
The generation time of the calibration detection waveform, calibration detection synchronous regime for indicate the calibration detect waveform with it is described
The sequencing of waveform is detected, the second relative time data refer between the calibration detection waveform and corresponding detection waveform
Time difference, calibration detection waveform is waveform corresponding with the calibration energy datum.
16. gamma ray detection Waveform Simulator according to claim 10, which is characterized in that the Ma ray energy number
It include particle detection data packet according to packet, the particle detection data packet includes third relative time, particle energy；
At this point, the gamma ray detection data packet further includes particle detection synchrodata.
17. gamma ray detection Waveform Simulator according to claim 16, which is characterized in that the slave computer also wraps
It includes:
Second judgment unit is configured to judge whether to generate the particle detection wave according to the particle detection synchrodata
Shape, if YES then starting third time calculating unit；
Third time calculating unit is configured to calculate the generation of the particle detection waveform according to the third relative time
Time, the third relative time data include the time difference between the particle detection waveform and the detection waveform, described
Particle detection waveform is waveform corresponding with the particle energy.
18. 3,15,17 described in any item gamma ray detection Waveform Simulators according to claim 1, which is characterized in that described
Slave computer further includes
D/A conversion unit, is configured to the generation time of the amplitude and each point based on each point, and output corresponds to
Waveform.
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