CN108802429A - A kind of portable detection equipment of initial speed measuring device - Google Patents
A kind of portable detection equipment of initial speed measuring device Download PDFInfo
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- CN108802429A CN108802429A CN201810606720.0A CN201810606720A CN108802429A CN 108802429 A CN108802429 A CN 108802429A CN 201810606720 A CN201810606720 A CN 201810606720A CN 108802429 A CN108802429 A CN 108802429A
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- Prior art keywords
- measuring device
- speed measuring
- initial speed
- initial
- velocity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
- G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of portable detection equipments of initial speed measuring device, the initial velocity analog signal that itself is generated is sent to initial speed measuring device to obtain the measuring signal of the initial speed measuring device output by it, and according to the initial velocity analog signal of its generation and the measuring signal received, the velocity adjustment of the initial speed measuring device is shown after difference operation, by the velocity adjustment, can be more visual and clear obtain the measurement accuracy of the initial speed measuring device.The detection device is by IC design at a kind of portable equipment, the data communication between apparatus assembly can be realized by cable, therefore, the detection device integrated level of the present invention is high, assembling is convenient for carrying using simply and is suitable for determining the measurement accuracy of initial speed measuring device under various circumstances.
Description
Technical field
The invention belongs to field of measuring technique, more particularly to a kind of detection device of initial speed measuring device.
Background technology
In general, initial speed measuring device can be used during the use of equipment, the initial velocity for measuring gun muzzle in real time, so as to
Improve the accurate striking capabilities of equipment.However, initial speed measuring device used at present is easy by high temperature, the height in use environment
The influence of pressure and many factors such as high speed impact, leading to the actual measured results of initial speed measuring device, there are errors, if cannot
The measurement accuracy of initial speed measuring device is determined, then can largely weaken the striking capabilities of equipment.The prior art
In be often used detection device precision determining, repair and maintenance carried out to initial speed measuring device, but detection in the prior art is set
It is standby to there are the defects such as assembling is difficult, not portable, technological requirement is high, the scope of application is small, detection initial speed measuring device precision is low, because
How this, obtain that a kind of portable, initial speed measuring device detection precision is high, detection device applied widely, is ability
Field technique personnel's problem in urgent need to solve.
Invention content
The invention mainly solves the technical problem of providing a kind of portable detection equipments of initial speed measuring device, solve existing
Having the detection device of initial speed measuring device in technology to assemble, difficult, not portable, technological requirement is high, the scope of application is small, detection is first
The low technical problem of speed measuring device precision.
In order to solve the above technical problems, one aspect of the present invention is：A kind of initial speed measuring device it is portable
Formula detection device, including with lower unit：Signal transmitting unit, the initial velocity analog signal for generating control unit are sent to institute
State initial speed measuring device；Control unit, for obtaining its measuring signal exported from the initial speed measuring device, according to described first
Fast analog signal and the measuring signal, are calculated and be shown the velocity adjustment of the initial speed measuring device, obtain the initial velocity
The measurement accuracy of measuring device.
In another embodiment of detection device of initial speed measuring device of the present invention, the signal transmitting unit is simulated for initial velocity
Head is connected by cable with described control unit, and using the line of positioning pin and clamp spring mode and the initial speed measuring device
Circle is attached.
In another embodiment of detection device of initial speed measuring device of the present invention, the initial velocity dummy head and the initial velocity are surveyed
Amount device carries out signal transmission by electromagnetic induction method.
In another embodiment of detection device of initial speed measuring device of the present invention, the initial velocity dummy head is additionally operable to detection institute
State the on off operating mode of the velocity coils of initial speed measuring device.
In another embodiment of detection device of initial speed measuring device of the present invention, described control unit includes information processing electricity
Road and display circuit, wherein described information processing circuit for generating the initial velocity analog signal, and to the measuring signal into
Row denoising operates；The display circuit is for showing the velocity adjustment.
In another embodiment of detection device of initial speed measuring device of the present invention, the display circuit can also further be shown
Show the initial velocity analog signal, the measuring signal of initial speed measuring device output that described information processing circuit generates.
In another embodiment of detection device of initial speed measuring device of the present invention, described control unit further includes power amplification
Circuit, the initial velocity analog signal are transmitted to the initial velocity dummy head after power amplification circuit amplification.
In another embodiment of detection device of initial speed measuring device of the present invention, described control unit further includes self-test electricity
Road, for when receiving external self-test signal input by user, to the work of the detection device and the initial speed measuring device
It is detected as state.
In another embodiment of detection device of initial speed measuring device of the present invention, described control unit further includes power supply electricity
Road, for providing the power supply needed for operation to the detection device.
In another embodiment of detection device of initial speed measuring device of the present invention, the detection device further includes that input is single
Member, for receiving control instruction input by user from outside.
The beneficial effects of the invention are as follows：The invention discloses a kind of portable detection equipments of initial speed measuring device, will
The initial velocity analog signal itself generated is sent to initial speed measuring device to obtain the measuring signal of initial speed measuring device output,
And according to the initial velocity analog signal of its generation and the measuring signal received, show that the initial velocity is surveyed after difference operation
Measure the velocity adjustment of device.By the velocity adjustment, can be more visual and clear obtain the survey of the initial speed measuring device
Accuracy of measurement.And due to the detection device by IC design at a kind of portable equipment, can be realized and set by cable
Data communication between slave component, therefore, detection device integrated level of the invention is high, and assembling is convenient for carrying and more using simple
Adapt to accurately determine the measurement accuracy of initial speed measuring device under various circumstances.
Description of the drawings
Fig. 1 is the composition schematic diagram of one embodiment of portable detection equipment of initial speed measuring device of the present invention；
Fig. 2 be initial speed measuring device of the present invention portable detection equipment in one embodiment of control unit composition signal
Figure；
Fig. 3 is the composition of another embodiment of control unit in a kind of portable detection equipment of initial speed measuring device of the present invention
Schematic diagram；
Fig. 4 is the composition of another embodiment of control unit in a kind of portable detection equipment of initial speed measuring device of the present invention
Schematic diagram；
Fig. 5 is the composition of another embodiment of control unit in a kind of portable detection equipment of initial speed measuring device of the present invention
Schematic diagram；
Fig. 6 is the composition schematic diagram of another embodiment of portable detection equipment of initial speed measuring device of the present invention.
Specific implementation mode
To facilitate the understanding of the present invention, in the following with reference to the drawings and specific embodiments, the present invention will be described in more detail.
The preferred embodiment of the present invention is given in attached drawing.But the present invention can realize in many different forms, and it is unlimited
In this specification described embodiment.Make to the disclosure on the contrary, purpose of providing these embodiments is
Understand more thorough and comprehensive.
It should be noted that unless otherwise defined, all technical and scientific terms used in this specification with belong to
The normally understood meaning of those skilled in the art of the present invention is identical.Used term in the description of the invention
It is to be not intended to the limitation present invention to describe the purpose of specific embodiment.
Fig. 1 is the composition schematic diagram of one embodiment of portable detection equipment of initial speed measuring device of the present invention.In Fig. 1,
The detection device 1 specifically includes：
Signal transmitting unit 11 is used to the initial velocity analog signal that control unit 12 generates being sent to initial speed measuring device
2；Control unit 12, for obtaining the measuring signal that the initial speed measuring device 2 exports from the initial speed measuring device 2, according to
Velocity adjustment (the i.e. initial velocity of the initial speed measuring device 2 is calculated and be shown in the initial velocity analog signal and the measuring signal
Measurement error value), it is referred to when being corrected for fire control system initial velocity.
Specifically, the initial velocity measurement error value is between the analog signal and the measuring signal (i.e. measured signal)
Difference, the user of service of equipment can carry out fire control system initial velocity pre-corrected and be sentenced according to the initial velocity measurement error of display
The measurement accuracy of the disconnected initial speed measuring device 2.For example, when the initial velocity measurement error of display is 0, illustrate that the initial velocity measures
The measurement of device 2 is accurate, and the user of service of equipment to fire control system when carrying out initial velocity amendment, without the concern for described first
The measurement error of speed measuring device 2 is not necessarily to carry out pre-corrected；When being shown as negative value, illustrate the speed that measured signal generates
Value is bigger than the velocity amplitude of prediction signal, and the user of service of equipment to fire control system before carrying out initial velocity amendment, first pre-corrected one
A size and the initial velocity measurement error value are equal and for weakening the initial velocity of the measuring signal, then again to fire control system into
The corresponding initial velocity amendment of row；If being shown as positive value, illustrate that measured signal generation velocity amplitude is smaller than the velocity amplitude of prediction signal, dress
Standby user of service to fire control system before carrying out initial velocity amendment, one size of first pre-corrected and the initial velocity measurement error value phase
Deng and for enhancing the initial velocity of the measuring signal, corresponding initial velocity amendment then is carried out to fire control system again.Further, by this
Show the size of numerical value, it can be determined that the measurement accuracy of the initial speed measuring device 2, when numerical value is larger, specification error is big, then
The measurement accuracy of the initial speed measuring device 2 is low, and when numerical value is smaller, specification error is small, then the survey of the initial speed measuring device 2
Accuracy of measurement is slightly higher.
The portable detector in the present invention, by acquiring the mistake between initial velocity analog signal and measured signal
Difference, and then the measurement accuracy of the initial speed measuring device can be intuitively obtained, provide a kind of simple, effective essence for people
Measurement method is spent, personnel easy to operation are in advance modified used equipment, ensure the practical attack precision of equipment.
Preferably, the signal transmitting unit 11 be initial velocity dummy head, the initial velocity dummy head mainly by coil mounting framework,
Velocity coils form.Wherein the coil mounting framework is mainly led to by the high quality phenolic resin, the initial speed measuring device that screen
The compositions such as disconnected detector.The major function of the initial velocity dummy head is：It is provided just for the velocity coils of the initial speed measuring device 2
Fast analog signal, and its break-make is detected when the velocity coils of the initial speed measuring device 2 power up.Specifically, described
Initial velocity dummy head detects the velocity coils break-make feelings of the initial speed measuring device 2 by the initial speed measuring device break-make detector
Condition.
When the initial velocity dummy head installation, it should be inserted into from the front of the initial speed measuring device 2, pass through positioning pin and installation
Clamp spring is fixed on inside 2 two velocity coils of the initial speed measuring device, and axle center keeps one with 2 axle center of initial speed measuring device
It causes.Further, the initial velocity dummy head is electrically connected by the control unit 12 of cable and the detection device 1, in order to two
Carry out data transmission between person.
It follows that the present invention provides a kind of detachable detection device, the initial velocity dummy head by cable and
The main body of the detection device, that is, control unit progress is detachably connected, improves the detection device and is used in various occasions
Flexibility ratio, suitable cable length can be selected to carry out field survey as needed, further, by arranging cable and described
Initial velocity dummy head also allows for the whole of the detection device and carries.
Fig. 2 be initial speed measuring device of the present invention portable detection equipment in control unit an embodiment composition signal
Figure.In fig. 2, described control unit 22 includes information-processing circuit 221 and display circuit 222.The information-processing circuit 221
Signal transmitting unit is sent to mainly for generation of high-precision initial velocity pulse signal and by the initial velocity pulse signal, and initial velocity is surveyed
The measuring signal for measuring device output carries out the denoisings operation such as shaping and decoding.
Specifically, the time mark generator in described information processing circuit 221 will produce the pulse signal of a standard, should
Pulse signal can be the calibration pulses model such as triangular wave, rectangular wave, and calibration pulse model amplitude, the pulse width etc. are come table
Show the initial velocity value to be sent out.The information-processing circuit 221 instructs according to the input received, generates calibration pulse model
Corresponding signal is sent to signal transmitting unit by pattern, such as when the input instruction received indicates single shot mode, then institute
It states time mark generator and generates a calibration pulse signal, and be sent to signal transmitting unit；When the input signal received
When indicating burst mode, then the time mark generator generates the calibration pulse signal of fixed number, and is sent to signal hair
Send unit.Wherein the fixed number can be adjusted freely according to actual needs, and the number of system default is 10.
Further, described information processing circuit 221 solves the measuring signal received from the initial speed measuring device
The denoisings operation such as code and shaping reduces noise jamming to improve the precision of the measuring signal.
Specifically, the EPM7256 chips of ALTERA companies may be used in described information processing circuit 221, it is mainly completed
Precision controlling to initial velocity pulse and the denoisings such as shaping operation is decoded to inductive signal.EPM7256 is that one kind is compiled by user
The New kind logical component of required logic function is realized in journey configuration, can provide circuit simulation and authentication function in the design process, and
Substantially shorten design time, accelerate product development speed, while having that integrated level is high, speed is fast, low in energy consumption and reliability is high
The advantages that.In addition, 50M constant-temperature crystal oscillators is used to provide clock source for EPM7256, ensure rate accuracy.Further, in order to ensure to believe
The reliability of breath processing data, described information processing circuit 221 use isolated power supply, by supplying digital circuits power supply and simulation electricity
Road power supply separates.
The display circuit 222 is for showing that the velocity adjustment, the master chip of display circuit 222 use microcontroller
The 89c51 of Atmel.Wherein, the display unit of the display circuit 222 is when showing the velocity adjustment, unit m/
S, velocity adjustment window show the error amount between analog signal and measured signal, error free if it is 0 explanation, if it is negative
Value illustrates that measured signal generation velocity amplitude is bigger than the velocity amplitude of prediction signal, if it is positive value, illustrates that measured signal generates speed
Angle value is smaller than the velocity amplitude of prediction signal.
As shown in the above, the present invention provides a kind of intuitive detection device for checking initial speed measuring device precision, lead to
The display numerical value for intuitively checking display portion is crossed, pre-corrected can be carried out before the practical rehearsal of equipment and operation, ensure equipment
Accurate shooting in practical operation and striking capabilities.
Fig. 3 is the composition of another embodiment of control unit in a kind of portable detection equipment of initial speed measuring device of the present invention
Schematic diagram.On the basis of Fig. 2, the described control unit 32 in Fig. 3 further comprises power amplification circuit 323.In high precision
Initial velocity analog signal is pulse signal, can not pass through initial velocity if being directly transmitted without power amplification for digital signal
Induction coil senses in the initial velocity measuring coil in the initial speed measuring device, therefore the initial velocity analog signal is passed through work(
Rate amplifying circuit 323 carries out power amplification, to ensure that the initial velocity analog signal after power amplification can normally be transmitted to the initial velocity
On the induction coil of measuring device.Power amplification circuit may be used to realize in power amplification circuit 323, and major function is pair
High-precision initial velocity analog pulse signal carries out power amplification.
Initial velocity analog signal sensed by electromagnetic coupling, according to Faraday's electromagnetic induction law, coil
The relationship of the magnetic flux φ (t) of induced electromotive force e (t) with the hinge coil is：
According to the Ohm's law in magnetic circuit：
Wherein φ is magnetic flux, and N is coil turn, and I is the electric current that coil flows through, and R is the magnetic resistance of coil.It can be seen that coil
Induced electromotive force size is directlyed proportional to the electric current that coil flows through to winding the number of turns.In the certain situation of simulator coil turn
Under, the size of magnetic flux can only be changed by changing electric current.
Fig. 4 is the composition of another embodiment of control unit in a kind of portable detection equipment of initial speed measuring device of the present invention
Schematic diagram.In Fig. 4, described control unit 42 can also include further self-checking circuit 424, for the portable inspectiont
Equipment and the working condition of the initial speed measuring device are detected, such as the self-checking circuit 424 can be described portable
Detection device be switched on or the course of work in detect its own and whether work normally or faulty, while the initial velocity can also be surveyed
Whether amount device, which works normally, is detected.
Preferably, the display circuit 422 in described control unit 42 can also further show detect it is described portable
The working condition of formula detection device and the initial speed measuring device, such as when initial speed measuring device is faulty, then the display is electric
The display unit on road 422 shows 20；When display 10, then show that initial speed measuring device is faulty；If showing 1F 2F, two
The equal fault-free of system of device.
The portable detection equipment of initial speed measuring device i.e. of the invention can be automatically to initial speed measuring device and portable
The working condition of detection device is detected, and is conducive to equip the system failure that user of service had found and excluded in time each equipment,
To measure being normally carried out for work.
Fig. 5 is the composition of another embodiment of control unit in a kind of portable detection equipment of initial speed measuring device of the present invention
Schematic diagram.In Figure 5, described control unit 52 further comprises power circuit 525, for being carried for the portable detection equipment
For required power supply, wherein the power supply can be external common 220V AC voltage.
Fig. 6 is a kind of composition schematic diagram of another embodiment of the portable detection equipment of initial speed measuring device of the present invention.
In figure 6, the portable detection equipment 6 further comprises input unit 63, for receiving control input by user from outside
Instruction.Specifically, the input unit 63 includes power knob, is worked required electricity for controlling the portable detection equipment 6
It cut-offs in source；Single-shot button, for when user presses the button, the control unit 62 in the portable detection equipment 6 to exist
A standard timing signal is generated after receiving the signal and is sent to signal transmitting unit 61；Running fire button, for working as user
When pressing the button, the control unit 62 in the portable detection equipment 6 generates fixed number upon receipt of the signal
Standard timing signal is simultaneously sent to signal transmitting unit 61；Readback button can read the data information of each hair when running fire；It is multiple
Position button, for the progress of the portable detection equipment 6 complete machine reset when user triggers the button；Dummy head interface, is used for
Other devices connect with outside, realize the signal transmission between the portable detection equipment 6 and other external devices, wherein institute
The dummy head interface stated can be multiple, in order to be replaced using others in the case where some dummy head is damaged, institute
It can be initial speed measuring device to state other external devices, can also be the signal transmitting unit 61；Charging interface is used for and outer
Portion's power supply connection, the power supply needed for work is provided for the portable detection equipment 6.
Preferably, the display circuit 622 in portable detection equipment 6 further displays the initial velocity of information-processing circuit generation
The measuring signal that analog signal, initial speed measuring device 64 export.After clicking single-shot button, hair initial velocity simulation letter can be sent out
Number, while hair analog signal data is worked as in display in pre-set velocity display field；It is returned when signal is handled by initial speed measuring device 64
After returning to portable detection equipment 6, measuring speed column can show the measured value of initial speed measuring device 64；Velocity adjustment window
Show the error amount between analog signal and measured signal.After clicking running fire button, 10 initial velocity simulations can be continuously sent out
Signal, display methods is identical with the single-shot button, and the serial number when hair analog signal can be shown by playing sequence column.
In the present invention, the display portion of the display circuit 222 may be used multiple display modes and be shown.Specifically
Ground, the display portion of the display circuit 222 can be divided into three traveling row informations and show.Often first display single-shot of row or running fire
Bullet sequence, that is, continuously generate the serial number of initial velocity pulse signal.The first row secondary series shows pre-set velocity value, and unit m/s is right
It should the preceding pre-set velocity for playing sequence analog signal data.
Second row secondary series shows that pre-set velocity value, unit m/s are filled for the current sequence analog signal that plays by initial velocity measurement
64 processing are set back to after the portable detection equipment 6, show 64 measured value of initial speed measuring device.
The third line secondary series shows that velocity adjustment, unit are that unit is m/s, and velocity adjustment window shows analog signal
Error amount between measured signal.The third line third is classified as state instruction, is used to indicate the portable detection equipment 6 and institute
State the working condition of initial speed measuring device 64.
It follows that the portable detection equipment of the initial speed measuring device of the present invention provides a kind of simple and fast operation
Input mode, user's operation is simple, can as needed unrestricted choice need measurement pattern, improve user use body
It tests.
In summary, the invention discloses a kind of portable detection equipments of initial speed measuring device, itself is generated
Initial velocity analog signal is sent to initial speed measuring device to obtain the measuring signal of the initial speed measuring device output, and according to its production
Raw initial velocity analog signal and the measuring signal received show the first of the initial speed measuring device after difference operation
Fast correction amount.By the velocity adjustment, can be more visual and clear obtain the measurement accuracy of the initial speed measuring device.And by
In the detection device by IC design at a kind of portable equipment, can be realized between apparatus assembly by cable
Data communicate, and therefore, detection device integrated level of the invention is high, and assembling is convenient for carrying and is suitable in difference using simply
The measurement accuracy of initial speed measuring device is accurately determined under environment.
It these are only the embodiment of the present invention, be not intended to limit the scope of the invention, it is every to be said using the present invention
Equivalent structure transformation made by bright book and accompanying drawing content, is applied directly or indirectly in other relevant technical fields, and includes
In the scope of patent protection of the present invention.
Claims (10)
1. a kind of portable detection equipment of initial speed measuring device, which is characterized in that including with lower unit：
Signal transmitting unit, the initial velocity analog signal for generating control unit are sent to the initial speed measuring device；
Control unit, for obtaining its measuring signal exported from the initial speed measuring device, according to the initial velocity analog signal
With the measuring signal, the velocity adjustment of the initial speed measuring device is calculated and be shown, obtains the initial speed measuring device
Measurement accuracy.
2. the portable detection equipment of initial speed measuring device according to claim 1, which is characterized in that the signal is sent
Unit is initial velocity dummy head, connect with described control unit by cable, and using positioning pin and clamp spring mode with it is described at the beginning of
The coil of speed measuring device is attached.
3. the portable detection equipment of initial speed measuring device according to claim 2, which is characterized in that the initial velocity simulation
Head and the initial speed measuring device carry out signal transmission by electromagnetic induction method.
4. the portable detection equipment of initial speed measuring device according to claim 2, which is characterized in that the initial velocity simulation
Head is additionally operable to detect the on off operating mode of the velocity coils of the initial speed measuring device.
5. the portable detection equipment of initial speed measuring device according to claim 2, which is characterized in that described control unit
Including information-processing circuit and display circuit, wherein described information processing circuit is used to generate the initial velocity analog signal, and right
The measuring signal carries out denoising operation；The display circuit is for showing the velocity adjustment.
6. the portable detection equipment of initial speed measuring device according to claim 5, which is characterized in that the display circuit
It can also further show that the initial velocity analog signal of described information processing circuit generation, the initial speed measuring device export
Measuring signal.
7. the portable detection equipment of initial speed measuring device according to claim 5, which is characterized in that described control unit
Further include power amplification circuit, the initial velocity analog signal is transmitted to the initial velocity after power amplification circuit amplification
Dummy head.
8. the portable detection equipment of initial speed measuring device according to claim 5, which is characterized in that described control unit
Further include self-checking circuit, for when receiving external self-test signal input by user, to the detection device and the initial velocity
The working condition of measuring device is detected.
9. the portable detection equipment of initial speed measuring device according to claim 5, which is characterized in that described control unit
Further include power circuit, for providing the power supply needed for operation to the detection device.
10. the portable detection equipment of initial speed measuring device according to claim 1, which is characterized in that the detection is set
Standby further includes input unit, for receiving control instruction input by user from outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810606720.0A CN108802429A (en) | 2018-06-13 | 2018-06-13 | A kind of portable detection equipment of initial speed measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810606720.0A CN108802429A (en) | 2018-06-13 | 2018-06-13 | A kind of portable detection equipment of initial speed measuring device |
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| CN108802429A true CN108802429A (en) | 2018-11-13 |
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| CN201810606720.0A Pending CN108802429A (en) | 2018-06-13 | 2018-06-13 | A kind of portable detection equipment of initial speed measuring device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52138977A (en) * | 1976-05-14 | 1977-11-19 | Tokyo Aircraft Instr Co | System for measuring vehicle speed |
| JPS57124257A (en) * | 1981-01-26 | 1982-08-03 | Power Reactor & Nuclear Fuel Dev Corp | Method for calibration of eddy current type current meter |
| CN102435783A (en) * | 2011-09-16 | 2012-05-02 | 东莞市高品检测技术服务有限公司 | Calibration method and calibration device for toy ejection velocity measurement instrument |
| CN103575926A (en) * | 2013-11-21 | 2014-02-12 | 中北大学 | Muzzle initial velocity real-time measuring method suitable for micro inertial navigation system for high overload bullets |
-
2018
- 2018-06-13 CN CN201810606720.0A patent/CN108802429A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52138977A (en) * | 1976-05-14 | 1977-11-19 | Tokyo Aircraft Instr Co | System for measuring vehicle speed |
| JPS57124257A (en) * | 1981-01-26 | 1982-08-03 | Power Reactor & Nuclear Fuel Dev Corp | Method for calibration of eddy current type current meter |
| CN102435783A (en) * | 2011-09-16 | 2012-05-02 | 东莞市高品检测技术服务有限公司 | Calibration method and calibration device for toy ejection velocity measurement instrument |
| CN103575926A (en) * | 2013-11-21 | 2014-02-12 | 中北大学 | Muzzle initial velocity real-time measuring method suitable for micro inertial navigation system for high overload bullets |
Non-Patent Citations (2)
| Title |
|---|
| 张少波 等: ""基于FPGA的炮口线圈靶标定系统设计"", 《黑龙江科技信息》 * |
| 张少波: ""炮口初速测量的时间与靶距标定技术研究"", 《中国优秀硕士学位论文全文数据库》 * |
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