CN108897034B - The method and system that the channel factor of digital BPM obtains and amplitude is calibrated automatically - Google Patents
The method and system that the channel factor of digital BPM obtains and amplitude is calibrated automatically Download PDFInfo
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Abstract
This application discloses the method and systems that a kind of acquisition of the channel factor of number BPM and amplitude are calibrated automatically, in the signal input part difference input phase and amplitude in each channel analog input signal all the same, acquire digital output signal, the data amplitude integrated value in each channel is obtained to the absolute value integral of the digital output signal amplitude in each channel, the channel factor in each channel is the quotient between the minimum value of data amplitude integrated value and the data amplitude integrated value in each channel in each channel, S10: the channel factor in each channel stored in memory module is read, channel factor is taken to the initial data in corresponding each channel again, data after being calibrated, data after output calibration, judge whether to receive automatic amplitude calibration command, if not, then repeat S10, if, then enter S20, it is poor that reduction signal generates in amplitude It is different, measurement accuracy is improved, it is easy to operate, it can reduce the workload of engineering staff.
Description
Technical field
The present disclosure relates generally to high-energy physics fields, and in particular to particle accelerator field more particularly to a kind of number BPM
Channel factor obtain and the method and system calibrated automatically of amplitude.
Background technique
In particle accelerator field, digital BPM (Beam Position Monitor, beam position detector) be into
The key equipment of row beam position measurement.Its system hardware is designed for the purpose of completing high-precision beam position measurement,
Hardware configuration specifically includes that digital BPM probe, coaxial transmission cable, radio frequency conditioning circuit and digital processing circuit etc..Software is calculated
Rule realizes that the computer language used is HDL language in the fpga chip of digital processing circuit.Calculate the number of beam position
The 4 road signals that radio frequency conditioning circuit exports are sampled to obtain according to the ADC by digital processing circuit, and 4 tunnel signal paths
The inconsistent 4 road signals that will lead to generate difference in amplitude and phase, to reduce the precision of position measurement.
Existing method is mainly to be transferred to number to reach by adjusting the device parameters of 4 road front radio-frequency conditioning circuits and adopt
The analogue signal amplitude of sample processing circuit is identical, and then reaches that ADC sampled data amplitude is almost the same, and the method mainly has following
Two disadvantages: (1) it is almost the same in radio circuit to reach 4 channel signal amplitudes for adjusting front radio-frequency conditioning circuit device parameters
It is difficult in debugging.(2) in practical engineering applications, the parameter of hundreds of set front radio-frequency conditioning circuit devices is adjusted, to protect
Demonstrate,proving 4 almost the same workloads of channel signal amplitude of every set BPM system is that engineering staff is unaffordable.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, it is intended to provide a kind of easy to operate, mitigation engineering staff's work
The method and system that the digital BPM sampled data multichannel amplitude of amount is calibrated automatically.
In a first aspect, the channel factor acquisition methods of digital BPM of the invention, comprising the following steps:
In the signal input part difference input phase and amplitude in each channel analog input signal all the same, acquisition simulation is defeated
Enter digital output signal of the signal after each channel, radio frequency conditioning circuit and analog-to-digital conversion module, it is defeated to the number in each channel
The absolute value integral of signal amplitude obtains the data amplitude integrated value in each channel out, and the channel factor in each channel is set as each channel
The minimum value of data amplitude integrated value and the data amplitude integrated value in each channel between quotient.
Second aspect, the method that digital BPM sampled data multichannel amplitude of the invention is calibrated automatically, which is characterized in that
The following steps are included:
S10: reading the channel factor in each channel stored in memory module, and channel factor is taken to corresponding each channel again
Initial data, the data after being calibrated export the data after calibrating, judge whether to receive automatic amplitude calibration command,
If it is not, S10 is then repeated,
If so, into S20；
S20: obtaining channel factor according to the channel factor acquisition methods of digital BPM,
S30: judging whether that receiving correction terminates order,
If it is not, then enter S20,
If so, updating storage the channel factor in each channel stored in module, S10 is executed.
The channel factor of the third aspect, digital BPM of the invention obtains system, comprising:
Signal input module: for defeated to the simulation all the same of the signal input part in each channel difference input phase and amplitude
Enter signal；
Signal receiving module: for acquiring analog input signal by each channel, radio frequency conditioning circuit and analog-to-digital conversion mould
Digital output signal after block；
Processing module: being used for Acquisition channel coefficient, specifically, the absolute value product of the digital output signal amplitude to each channel
Separately win each channel data amplitude integrated value, the data amplitude of the minimum value of the data amplitude integrated value in each channel and each channel
Quotient between integrated value is channel factor.
Fourth aspect, the system that digital BPM sampled data multichannel amplitude of the invention is calibrated automatically, comprising:
First processing module: for receiving first control signal, the channel system in each channel stored in memory module is read
Channel factor is taken the initial data in corresponding each channel, the data after being calibrated, the data after output calibration by number again；
First judgment module: receiving automatic amplitude calibration command for judging whether,
If it is not, first control signal then is sent to first processing module,
If so, obtaining system to the channel factor of digital BPM sends second control signal；
The channel factor of digital BPM obtains system: for receiving second control signal, Acquisition channel coefficient is sentenced to second
Disconnected module sends third and controls signal；
Second judgment module: for receiving third control signal, judging whether to receive to correct terminates order,
If it is not, then obtaining system to the channel factor of digital BPM sends second control signal,
If so, updating storage the channel factor in each channel stored in module, the first control is sent to first processing module
Signal processed；
Memory module: the channel factor that system obtains is obtained for memory channel coefficient.
Subtracted according to technical solution provided by the embodiments of the present application by being modified to initial data multiplied by channel factor
Few signal generates difference in amplitude, improves measurement accuracy, meanwhile, it is easy to operate, it can reduce the workload of engineering staff, energy
Enough solve each signal path it is inconsistent caused by signal difference is generated in amplitude, thus reduce position measurement precision,
Field adjustable difficulty is big, heavy workload problem.
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 is the flow chart of the channel factor acquisition methods of the digital BPM of the embodiment of the present invention；
Fig. 2 is the flow chart of the channel factor acquisition methods of the digital BPM of the embodiment of the present invention；
Fig. 3 is the flow chart of the channel factor acquisition methods of the digital BPM of the embodiment of the present invention；
Fig. 4 is the flow chart for the method that the digital BPM sampled data multichannel amplitude of the embodiment of the present invention is calibrated automatically；
Fig. 5 is the flow chart for the system that the digital BPM sampled data multichannel amplitude of the embodiment of the present invention is calibrated automatically；
Fig. 6 is that the channel factor of the digital BPM of the embodiment of the present invention obtains the structural schematic diagram of system；
Fig. 7 is that the channel factor of the digital BPM of the embodiment of the present invention obtains the structural schematic diagram of system；
Fig. 8 is that the channel factor of the digital BPM of the embodiment of the present invention obtains the structural schematic diagram of system；
Fig. 9 is that the structure for the system that the digital BPM sampled data multichannel amplitude of the embodiment of the present invention is calibrated automatically is shown
It is intended to；
Figure 10 is that the structure for the system that the digital BPM sampled data multichannel amplitude of the embodiment of the present invention is calibrated automatically is shown
It is intended to；
Figure 11 is accelerator Beam position monitor system structural schematic diagram；
Figure 12 is that the structure for the system that the digital BPM sampled data multichannel amplitude of the embodiment of the present invention is calibrated automatically is shown
It is intended to；
Figure 13 is the system calibration calibrated automatically by the digital BPM sampled data multichannel amplitude of the embodiment of the present invention
Preceding schematic diagram data；
Figure 14 is the system calibration calibrated automatically by the digital BPM sampled data multichannel amplitude of the embodiment of the present invention
Schematic diagram data afterwards.
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.
One of embodiment of the invention is, with reference to Fig. 1-3, the channel factor acquisition methods of digital BPM, including it is following
Step: in the signal input part difference input phase and amplitude in each channel analog input signal all the same, simulation input is acquired
Digital output signal of the signal after each channel, radio frequency conditioning circuit and analog-to-digital conversion module, to the numeral output in each channel
The absolute value integral of signal amplitude obtains the data amplitude integrated value in each channel, and the channel factor in each channel is the data in each channel
Quotient between the minimum value of amplitude integrated value and the data amplitude integrated value in each channel.
In an embodiment of the present invention, ADC initial data passes through bandpass filter only to remove flip-flop and other make an uproar
Sound ingredient.
Further, the digital output signal in each channel is multiplied into channel factor again and obtains amendment data.
Further, the analog input signal all the same in the signal input part difference input phase and amplitude in each channel,
Specifically, signal source generates single-frequency sinusoidal signal, sinusoidal signal is divided into the simulation input of the amplitudes such as multichannel by power splitter
Signal.
One of embodiment of the invention is, with reference to Fig. 4, what digital BPM sampled data multichannel amplitude was calibrated automatically
Method, comprising the following steps: S10: reading the channel factor in each channel stored in memory module, channel factor is taken again pair
The initial data for answering each channel, the data after being calibrated, the data after output calibration judge whether to receive automatic amplitude calibration
Order, if it is not, S10 is then repeated, if so, into S20；
S20: channel factor is obtained according to the channel factor acquisition methods of digital BPM；
S30: judge whether that receiving correction terminates order, if it is not, then entering S20, stores if so, updating storage in module
Each channel channel factor, execute S10.
In an embodiment of the present invention, after obtaining channel factor, coefficient is stored, is adjusted automatically convenient for system in measurement
The coefficient is taken to carry out amplitude calibration to initial data.Multi-channel analog signal passes through after ADC sampling and bandpass filter processing
The system that digital BPM sampled data multichannel amplitude of the invention is calibrated automatically carries out the amplitude adjustment of sampled signal, with amendment
By cable and radio frequency conditioning circuit bring range error, it is further processed in feeding filtering and amplitude calculating logic module.
One of embodiment of the invention is, with reference to Fig. 5, what digital BPM sampled data multichannel amplitude was calibrated automatically
Method, comprising the following steps: S10: reading the channel factor in each channel stored in memory module, channel factor is taken again pair
The initial data for answering each channel, the data after being calibrated, the data after output calibration judge whether to receive automatic amplitude calibration
Order, if it is not, S10 is then repeated, if so, into S15；
S15: seeking the absolute value of each channel initial data, fixes the integral of points to absolute value, obtains the product in each channel
Score value, judges whether the maximum value of integrated value is greater than the minimum value of twice of integrated value, if so, this correction is terminated, output report
Alert signal, into S30, if it is not, then entering S20；
S20: channel factor is obtained according to the channel factor acquisition methods of digital BPM；
S30: judge whether that receiving correction terminates order, if it is not, then entering S15, stores if so, updating storage in module
Each channel channel factor, execute S10.
In an embodiment of the present invention, after obtaining channel factor, coefficient is stored, is adjusted automatically convenient for system in measurement
The coefficient is taken to carry out amplitude calibration to initial data.Multi-channel analog signal passes through after ADC sampling and bandpass filter processing
The system that digital BPM sampled data multichannel amplitude of the invention is calibrated automatically carries out the amplitude adjustment of sampled signal, with amendment
By cable and radio frequency conditioning circuit bring range error, it is further processed in feeding filtering and amplitude calculating logic module.
One of embodiment of the invention is, with reference to Fig. 6-8, the channel factor of digital BPM obtains system, comprising: letter
Number input module: for distinguishing input phase and amplitude analog input signal all the same to the signal input part in each channel；Letter
Number receiving module: for acquiring the digital output signal by each channel, radio frequency conditioning circuit and analog-to-digital conversion module；Handle mould
Block: being used for Acquisition channel coefficient, specifically, obtaining each channel to the absolute value integral of the digital output signal amplitude in each channel
Data amplitude integrated value, the quotient between the minimum value of the data amplitude integrated value in each channel and the data amplitude integrated value in each channel
Value is channel factor.
Further, including correction module: being corrected for the digital output signal in each channel to be multiplied channel factor again
Data.
Further, comprising: signal source: for generating single-frequency sinusoidal signal；Power splitter: for dividing sinusoidal signal
At the amplitudes volume analog input signal such as multichannel.
One of embodiment of the invention is, with reference to Fig. 9-10, digital BPM sampled data multichannel amplitude is calibrated automatically
System, comprising: first processing module: for receiving first control signal, read the logical of each channel stored in memory module
Channel factor is taken the initial data in corresponding each channel, the data after being calibrated, the number after output calibration by road coefficient again
According to；
First judgment module: receiving automatic amplitude calibration command for judging whether,
If it is not, first control signal then is sent to first processing module,
If so, obtaining system to the channel factor of digital BPM sends second control signal；
The channel factor of digital BPM obtains system: for receiving second control signal, Acquisition channel coefficient is sentenced to second
Disconnected module sends third and controls signal；
Second judgment module: for receiving third control signal, judging whether to receive to correct terminates order,
If it is not, then obtaining system to the channel factor of digital BPM sends second control signal,
If so, updating storage the channel factor in each channel stored in module, the first control is sent to first processing module
Signal processed；
Memory module: the channel factor that system obtains is obtained for memory channel coefficient.
In an embodiment of the present invention, multi-channel analog signal is after ADC sampling and bandpass filter processing, by this hair
The system that bright digital BPM sampled data multichannel amplitude is calibrated automatically carries out the amplitude adjustment of sampled signal, to correct by line
Cable and radio frequency conditioning circuit bring range error are further processed in feeding filtering and amplitude calculating logic module.
With reference to Figure 12,4 road signals are taken the principle of the present invention is described in detail, ADC initial data is only filtered by band logical
Wave device is popped one's head in remove flip-flop and other noise contributions, with signal source 20 and power splitter 21 come simulation beam and BPM, function point
The phase and amplitude of 4 road signals is identical afterwards.Signal is sent through BPM cable 11 to radio frequency conditioning circuit 12, radio frequency tune after function point
Manage bandpass filtering and gain adjustment that circuit 12 completes signal.It is then sent to digital sample processing circuit 13, at digital sample
The ADC conversion and data that analog signal is completed in reason circuit 13 are further processed.Wherein, it send from radio frequency conditioning circuit 12 to number
4 road signals of sampling processing circuit 13, because of cable and radio frequency conditioning circuit reason, amplitude size can be variant, and signal hint is such as
Figure 12-is 3. shown in position.By signal source 20 generate single-frequency sinusoidal signal, as Figure 12-1. shown in；It is divided into 4 through power splitter 21
The range signals such as road, as Figure 12-2. shown in；After BPM cable 11 and radio frequency conditioning circuit 12 are handled, 4 tunnel signal amplitudes are no longer
Unanimously, as Figure 12-3. shown in；And ADC sampling the road Hou Ge amplitude quantizing result also vary, as Figure 12-4. shown in；By width
Degree automatically corrects logical process, the amplitude error introduced by channel transfer, processing is eliminated, in input signal amplitude same case
Under, signal amplitude is completely the same after amendment, as Figure 12-5. shown in.When automatic amplitude correction module works, received first from meter
The order of calculation machine, for system after receiving automatic amplitude corrective command, starting automatically corrects logic function, completes number after ADC sampling
According to the amendment of amplitude information, to realize when initial endpoint signal is completely the same, the signal amplitude that ADC is sampled is also completely the same.
Signal sampling result is illustrated as shown in the 5. position Figure 12-.
Further, comprising: Second processing module: for intercepting second control signal, seeking the exhausted of each channel initial data
To value, fixes the integral of points to absolute value, obtain the integrated value in each channel；Third judgment module: for judging integrated value
Maximum value whether be greater than the minimum value of twice of integrated value, if so, terminate this correction, export alarm signal, sentence to second
Disconnected module sends third and controls signal, if it is not, then obtaining system to the channel factor of digital BPM sends second control signal.
In an embodiment of the present invention, when the maximum value of integrated value is greater than the minimum value of twice of integrated value, show particle
For accelerator Beam position monitor system parts thereof there are problem, there is mistake in the data measured, need to add entire particle
Fast device Beam position monitor system is overhauled, alert, reminds engineering staff's maintenance；When the maximum value of integrated value is small
In or equal to twice of integrated value minimum value when, show measurement error within the allowable range, be then read out the channel in each channel
Coefficient and the initial data that channel factor is taken to corresponding channel again, the data after being calibrated, the data after output calibration.
With reference to Figure 11, in particle accelerator Beam position monitor system, measurement accuracy is the key that reflection system performance
One of index.Particle accelerator Beam position monitor system is by BPM probe 10, coaxial transmission cable 11, radio frequency conditioning circuit 12
It is formed with digital sampling processing circuit 13 Deng, wherein from BPM probe 10 to the impedance of four route cables 11 of radio frequency conditioning circuit 12
Inconsistent and radio frequency conditioning circuit 12 generates the inconsistent amplitude and phase that can all lead to four road signals of four road signal processings
Difference, to reduce the measurement accuracy of digital BPM.
Figure 13 is the adc data for not carrying out automatic amplitude calibration, and Figure 14 is the adc data carried out after automatic amplitude calibration.
The data of comparison before and after the processing are it can be seen that calibration effect is very good.In order to preferably examine method and system of the invention,
When doing the above test, report an error when shielding twice of signal amplitude difference of inspection or more in a program, and send out patrolling for original adc data
Collect function.Embodiment disclosed by the invention is not only able to the problem for effectively avoiding adjusting radio frequency conditioning circuit board channel consistency,
Comprehensively the factor for influencing adc data amplitude is calibrated, and in practical projects using very convenient, it is only necessary to provide
The standard signal on tetra- tunnel Gong Fen can complete adc data amplitude by transmission calibration command and calibrate automatically.
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 (10)
1. a kind of channel factor acquisition methods of number BPM, which comprises the following steps:
In the signal input part difference input phase and amplitude in each channel analog input signal all the same, acquisition simulation input letter
Digital output signal number after each channel, radio frequency conditioning circuit and analog-to-digital conversion module believes the numeral output in each channel
The absolute value integral of number amplitude obtains the data amplitude integrated value in each channel, and the channel factor in each channel is the data width in each channel
Spend the quotient between the minimum value of integrated value and the data amplitude integrated value in the channel.
2. the channel factor acquisition methods of number BPM according to claim 1, which is characterized in that by each channel
Digital output signal multiplies the channel factor again and obtains amendment data.
3. the channel factor acquisition methods of number BPM according to claim 1, which is characterized in that the signal in each channel
Input terminal distinguishes input phase and amplitude analog input signal all the same, specifically, signal source generates single-frequency sine letter
Number, the sinusoidal signal is divided into the analog input signal of the amplitudes such as multichannel by power splitter.
4. a kind of method that number BPM sampled data multichannel amplitude is calibrated automatically, which comprises the following steps:
Step S10: reading the channel factor in each channel stored in memory module, the channel factor is taken again described in corresponding to
The initial data in each channel, the data after being calibrated, the data after exporting the calibration judge whether to receive automatic amplitude school
Quasi- order,
If it is not, step S10 is then repeated,
If so, entering step S20；
Step S20: number BPM according to claim 1-3 channel factor acquisition methods obtain the channel
Coefficient；
Step S30: judging whether that receiving correction terminates order,
If it is not, S20 is then entered step,
If so, updating the channel factor in each channel stored in the memory module, step S10 is executed.
5. the method that number BPM sampled data multichannel amplitude according to claim 4 is calibrated automatically, which is characterized in that
Step S20 is executed again after needing to be implemented a step S15 before executing step S20,
The step S15: seeking the absolute value of each channel initial data, fixes the integral of points, obtains to the absolute value
The integrated value for obtaining each channel, judges whether the maximum value of the integrated value is greater than the minimum value of twice of integrated value,
If so, terminating this correction, alarm signal is exported, S30 is entered step,
If it is not, then entering step S20.
6. the channel factor of number BPM a kind of obtains system characterized by comprising
Signal input module: for the simulation input letter all the same to the signal input part in each channel difference input phase and amplitude
Number；
Signal receiving module: for acquiring analog input signal after each channel, radio frequency conditioning circuit and analog-to-digital conversion module
Digital output signal；
Processing module: being used for Acquisition channel coefficient, specifically, obtaining to the absolute value integral of the digital output signal amplitude in each channel
The data amplitude integrated value in each channel is obtained, the channel factor in each channel is the minimum value of the data amplitude integrated value in each channel and is somebody's turn to do
Quotient between the data amplitude integrated value in channel.
7. the channel factor of number BPM according to claim 6 obtains system, which is characterized in that including
Correction module: amendment data are obtained for the digital output signal in each channel to be multiplied the channel factor again.
8. the channel factor of number BPM according to claim 6 obtains system characterized by comprising
Signal source: for generating single-frequency sinusoidal signal；
Power splitter: for the sinusoidal signal to be divided into the analog input signal of the amplitudes such as multichannel.
9. a kind of system that number BPM sampled data multichannel amplitude is calibrated automatically characterized by comprising
First processing module: for receiving first control signal, the channel factor in each channel stored in reading memory module will
The channel factor takes the initial data in corresponding each channel, the data after being calibrated, after exporting the calibration again
Data；
First judgment module: receiving automatic amplitude calibration command for judging whether,
If it is not, the first control signal then is sent to the first processing module,
If so, obtaining system to the channel factor of the described in any item number BPM of claim 6-8 sends the second control letter
Number；
The channel factor of the number BPM obtains system: for receiving the second control signal, the channel factor is obtained,
Third, which is sent, to the second judgment module controls signal；
Second judgment module: for receiving third control signal, judging whether to receive to correct terminates order,
If it is not, then obtaining system to the channel factor of the number BPM sends the second control signal,
If so, updating the channel factor in each channel stored in the memory module, Xiang Suoshu first processing module sends institute
State first control signal；
Memory module: the channel factor that system obtains is obtained for storing the channel factor.
10. the system that number BPM sampled data multichannel amplitude according to claim 9 is calibrated automatically, which is characterized in that
Include:
Second processing module: for intercepting the second control signal, the absolute value of each channel initial data is sought, to described
Absolute value fixes the integrals of points, obtains the integrated value in each channel；
Third judgment module: for judging whether the maximum value of the integrated value is greater than the minimum value of twice of integrated value,
If so, terminating this correction, alarm signal is exported, the second judgment module of Xiang Suoshu sends the third and controls signal,
If it is not, then obtaining system to the channel factor of the number BPM sends the second control signal.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101317794A (en) * | 2008-03-11 | 2008-12-10 | 清华大学 | Myoelectric control ability detecting and training method for hand-prosthesis with multiple fingers and multiple degrees of freedom |
| CN102882577A (en) * | 2005-12-20 | 2013-01-16 | 高通股份有限公司 | Method and apparatus for reverse link transmit beam-forming |
| CN105044639A (en) * | 2015-06-23 | 2015-11-11 | 许继电气股份有限公司 | Correction method and system for merging unit acquisition channels of power system |
| US10176601B2 (en) * | 2016-03-25 | 2019-01-08 | Varian Medical Systems International Ag | Methods and systems for improving image quality of projection image data acquired using flat panel detectors |
-
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102882577A (en) * | 2005-12-20 | 2013-01-16 | 高通股份有限公司 | Method and apparatus for reverse link transmit beam-forming |
| CN101317794A (en) * | 2008-03-11 | 2008-12-10 | 清华大学 | Myoelectric control ability detecting and training method for hand-prosthesis with multiple fingers and multiple degrees of freedom |
| CN105044639A (en) * | 2015-06-23 | 2015-11-11 | 许继电气股份有限公司 | Correction method and system for merging unit acquisition channels of power system |
| US10176601B2 (en) * | 2016-03-25 | 2019-01-08 | Varian Medical Systems International Ag | Methods and systems for improving image quality of projection image data acquired using flat panel detectors |
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