CN108226943A - A kind of spaceborne laser range finder laser alignment recording device - Google Patents
A kind of spaceborne laser range finder laser alignment recording device Download PDFInfo
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- CN108226943A CN108226943A CN201711418574.0A CN201711418574A CN108226943A CN 108226943 A CN108226943 A CN 108226943A CN 201711418574 A CN201711418574 A CN 201711418574A CN 108226943 A CN108226943 A CN 108226943A
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- focal plane
- laser range
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Studio Devices (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Measurement Of Optical Distance (AREA)
Abstract
A kind of spaceborne laser range finder laser alignment recording device, including leaded light component, lens assembly, focal plane subassembly；The laser acquisition pulse that the external laser transmitter of leaded light component reflection is sent out is to lens assembly, the energy for the laser acquisition pulse that decays；Lens assembly obtains the visible optical radiation on ground and receives the laser acquisition pulse of leaded light component reflection, it will be seen that light radiation and laser acquisition pulse are transferred to focal plane subassembly, the optical axis of lens assembly and the optical axis of the laser transmitter of external laser range finder form an angle；Focal plane subassembly receives the visible optical radiation of lens assembly transmission and laser acquisition pulse, and the laser acquisition pulse and visible optical radiation transmitted respectively to N number of leaded light component are imaged.The present invention solves the problems, such as in-orbit laser alignment record of the spaceborne laser range finder in mapping camera system, it is matched by the laser alignment that the device records with the optical axis of tridimensional mapping camera, it solves accurately Area Objects positioning, meets large-scale mapping demand.
Description
Technical field
The present invention relates to the devices that a kind of recording laser is directed toward, and are recorded more particularly to one kind applied to survey field spaceborne
The device of laser range finder laser alignment.
Background technology
High-precision large-scale mapping system includes laser range finder and tridimensional mapping camera, is assisted using laser range finder
Tridimensional mapping camera realizes global large scale without the developing direction that control mapping is current cartographic satellite.Laser in laser range finder
The positioning accuracy of laser pulse of transmitter transmitting is mainly influenced by pitch angle and lateral swinging angle, due to weightless, hot alternation, micro- is shaken
There are itself shake, the laser of spaceborne laser range finder for the influence of the external environments such as dynamic and laser transmitter transmitting laser pulse
Exit direction is continually changing, and the installation matrix of laser range finder and tridimensional mapping camera is also variation.It is high to realize
Precision ground target positions, and meets large-scale mapping demand, needs to remember direction of the laser pulse in mapping system
Record.
The method of traditional measurement laser alignment includes target practice plate method, 4 quadrant detector method, PSD position sensor methods,
Middle target practice plate method measures the pointing accuracy of transmitting laser, (being usually several kilometers) need to set up target plate at a certain distance from away from equipment,
Laser transmitting system is sent out into laser and guides target plate into, actual facula and the next anti-laser that pushes away of the error of theoretical position on target plate is read and sends out
Penetrate the pointing accuracy of system, the accuracy of detection of this method is high, but detection process is complicated, generally requires several days time and could complete to examine
Survey task, and it is difficult to ensure that pointing accuracy when detection device is in each attitude angle, and in-orbit target plate can not be set up, therefore should
Method is not suitable for the real-time measurement of spaceborne laser range finder laser alignment.Traditional 4 quadrant detector method and PSD positions pass
Sensor method can only be merely measurement laser direction deviation, can not be imaged over the ground, can not recording laser pulse in mapping camera
Direction in system.
There is no the relevant report of in-orbit laser alignment recording device in open source literature at present.
Invention content
The technology of the present invention solves the problems, such as：Overcome the deficiencies of the prior art and provide a kind of spaceborne laser range finder laser
Recording device is directed toward, in-orbit laser alignment record of the spaceborne laser range finder in mapping camera system is solved the problems, such as, passes through
The laser alignment of device record is matched with the optical axis of tridimensional mapping camera, solves accurately Area Objects positioning, full
Sufficient large-scale mapping demand.
The technical scheme is that：
A kind of spaceborne laser range finder laser alignment recording device, including leaded light component, lens assembly focal plane subassembly；
Leaded light component receives the laser acquisition pulse that external laser transmitter is sent out, by the energy attenuation of laser acquisition pulse
Back reflection is to lens assembly；
Lens assembly obtains the visible optical radiation on ground and receives the laser acquisition pulse of leaded light component reflection, it will be seen that light
Radiation and laser acquisition pulse are transferred to focal plane subassembly, the optical axis of lens assembly and the laser transmitter of external laser range finder
Optical axis forms an angle；
Focal plane subassembly receives the visible optical radiation of lens assembly transmission and laser acquisition pulse, and respectively to N number of guide-lighting group
The laser acquisition pulse and visible optical radiation that part transmits are imaged.
The optical axis of laser transmitter and the optical axis of lens assembly of the external laser range finder form an angle specially
2°。
The leaded light component includes：Metal shell and prism；Metal shell is provided with light inlet and light-emitting window, in metal shell
There is prism in portion, and for prism there are two opposite reflection optical plane, first reflects the method for the normal of optical plane and the second reflection optical plane
Line is vertical.
The focal plane subassembly includes at least one focal plane circuit and at least one processing circuit；
The quantity of focal plane circuit is equal to the laser transmitter number of external laser range finder, and there are one each focal plane circuit tools
Photelectric receiver, photelectric receiver receive laser acquisition pulse and the visible optical radiation that corresponding leaded light component is sent, and by laser
The optical signal of direct impulse and visible optical radiation is sent after being converted to digital signal to processing circuit；
Processing circuit receives the digital signal that focal plane circuit is sent and carries out number TDI processing to the digital signal, generates
Voltage telemeering signal and remote temperature sensing signal export telemetered signal and treated data signals.
The leaded light component further includes wedge, and the outgoing optical plane of wedge is pasted onto the prism table of leaded light component light inlet
Face, the incident light of wedge and the outgoing optical plane of wedge are in 20 "~40 " angles, and optical filter and attenuator are stained on wedge.
The processing circuit include Power entry module, timing control and image data processing module, telemetered signal acquisition module,
Data transmission blocks,
Power entry module by from outside receive power supply through electromagnetic interface filter and DC/DC converters be converted to processing circuit and
Voltage needed for focal plane circuit, and the filtering process of power supply is carried out, transformed voltage is sent to the timing control in processing circuit
And image data processing module, telemetered signal acquisition module, data transmission blocks and focal plane circuit；
Timing control and image data processing module receive the voltage that Power entry module provides, which is generated by FPGA device
Initial configuration and timing control on focal plane circuit needed for photelectric receiver, and receive the number letter that focal plane circuit sends over
Number, after completing number TDI processing, image data is sent to data transmission blocks；
Telemetered signal acquisition module includes current/power monitor, temperature sensor；Telemetered signal acquisition module is using electricity
Stream/power monitor is acquired voltage caused by Power entry module, and collected voltage is converted to the first number and is believed
Number, while the temperature signal of processing circuit is acquired using temperature sensor, and temperature signal is converted into the second number
Signal, and the first digital signal and the second digital signal are sent to data transmission blocks；
The first digital signal and the second digital signal that data transmission blocks will receive the transmission of telemetered signal acquisition module
With the image data that timing control and image data processing module are sent by 100 m ethernet physical layer interface chip to outside
Output.
The optical filter is used to filter out the spectrum outside laser acquisition pulse spectral coverage.
The quantity N of the leaded light component is equal to the laser transmitter number of external laser range finder.
The photelectric receiver is face array CMOS image sensor or Array CCD sensor.
The recording device further includes agent structure, and agent structure is polygonal column support construction, is fixedly mounted respectively
Laser transmitter, lens assembly, the focal plane subassembly of external laser range finder；Agent structure is fixed on the master of external laser range finder
On load-carrying construction.
The quantity of the leaded light component is 3.
Compared with the prior art, the invention has the advantages that：
1) employ light path to turn back technology, make recording system simple, volume light and small, can recording laser pulse simultaneously and
Atural object scene, solve the problems, such as because reach ground laser energy low signal it is weak can not be direct-recording to its, meet it is in-orbit should
With；
2) employ focal plane splicing so that photelectric receiver can one-to-one reception laser pulse, and increase focal plane
Size meets big visual field wide cut camera demand, and improves system reliability；
3) optical filtering technique is employed, has filtered out the veiling glare outside laser pulse wavelength, improves the signal-to-noise ratio of laser signal；
4) voltage and temperature monitoring means are employed to processing circuit, in-orbit circuit state can be monitored in real time,
Focal plane subassembly work can be stopped in time by going wrong, and be conducive to in-orbit problem investigation.
Description of the drawings
Fig. 1 is the composition frame chart of spaceborne laser range finder laser alignment recording device of the present invention；
Fig. 2 is the leaded light component leaded light light path schematic diagram of laser alignment recording device of the present invention.
Specific embodiment
Due to the confidential surface-emission laser over the ground of Laser emission, and recording device will record cartographic feature and laser light simultaneously
Spot, therefore the optical axis of laser transmitter and recording device all points to ground, but the laser pulse of laser transmitter transmitting reaches in ground
Its energy is weaker behind face, and recording device detects the representation of laser facula less than ground.The spaceborne laser range finder that the present invention designs
Laser alignment recording device carries leaded light component structure, by the leaded light component directly by spaceborne laser range finder laser transmitter
The fraction of laser light pulse of transmitting imports the lens assembly of recording device, focal plane subassembly is ultimately incident upon, by being located on focal plane subassembly
Photelectric receiver convert it into electric signal output；Substar atural object is incident on the lens assembly of recording device simultaneously, also by
Photelectric receiver on focal plane subassembly converts it into electric signal output；Recording device is completed while is recorded to swashing at this time
Light hot spot and substar atural object function.After in the follow-up substar image and tridimensional mapping camera that recording device is recycled to obtain
The image obtained depending on camera is matched, so as to the relative angle between indirect gain Laser emission optical axis and rear view camera optical axis
Position relationship is realized to vertical control point plane positioning required precision.
Specific embodiment is as described below.
As shown in Figure 1, the spaceborne laser range finder laser alignment recording device, including sequentially connected at least one leaded light
Component, lens assembly, agent structure, flange arrangement, focal plane subassembly, wherein, agent structure is the support construction of described device,
It for polygonal column structure, is mounted on one side by screw on the main force support structure of laser range finder, in addition N number of face is sent out for laser
It penetrates machine and installation end face is provided, N number of multichannel laser transmitter, lens assembly one end and the agent structure are installed respectively on N number of face
One end is connected by screw, and leaded light component is installed on the lens assembly other end, and leaded light component only blocks the part of lens assembly
Visual field, the agent structure other end are connect by flange arrangement with focal plane subassembly, and focal plane subassembly includes N number of focal plane circuit and N number of place
Circuit is managed, respectively there are one photelectric receiver on each focal plane circuit, the detection that wherein leaded light component sends out laser transmitter
Pulse be transferred to lens assembly until focal plane subassembly photelectric receiver, can to laser pulse it is synchronous with ground target into
Picture realizes the landscape position record of laser pulse footmark.
Leaded light component use case type structure, housing is metalwork, inside configuration install prism, wedge, optical filter and
Attenuator etc. is isolated between prism and metalwork using rubber cushion, and injecting glue improves reliability.As shown in Fig. 2, for laser of the present invention
It is directed toward the laser leaded light light path schematic diagram of recording device.Prism in leaded light component is 180 ° of prisms of turning back, and incident beam is inclined
Oblique 180 degree is equipped with wedge in the prism surface of leaded light component light inlet, and the light-emitting surface of wedge corresponds to prism incidence surface, wedge
Incident light and wedge outgoing optical plane in 20 "~40 " angles, the folded of the laser emission spot that ground return is returned can be eliminated
Add, optical filter and attenuator are stained on wedge, optical filter is used to filter out the spectrum outside laser acquisition pulse spectral coverage, and attenuator is used for
Decay to the energy of incident laser, prevent incident laser energy excessively high with bad focal plane subassembly.
Leaded light component quantity is consistent with the laser transmitter quantity to be recorded, each leaded light component corresponds to a laser
Transmitter.
The camera lens is specially transmission-type camera lens, including optical filter, diaphragm, protective glass and lens set, for collecting
Ground visible optical radiation energy simultaneously images in focal plane subassembly, and receives the laser acquisition pulse energy passed over by leaded light component
It measures and images in focal plane subassembly.
Focal plane subassembly includes N number of focal plane circuit and N number of processing circuit, and there are one opto-electronic receivers respectively on each focal plane circuit
Device, the quantity of photelectric receiver is consistent with the quantity of ranging channel, each photelectric receiver is come from by leaded light component reception
The laser emission of corresponding transmitter and the radiation of different zones atural object, for laser pulse footmark to be recorded in the ground of shooting
In table imaging frame.And be staggered during photelectric receiver installation, by being spelled to multiple photelectric receivers institute into cartographic feature
It connects, the cartographic feature of coverage area bigger can be obtained.Focal plane subassembly can realize laser pulse and ground target synchronous imaging
The landscape position record of pulsed laser spot.
The focal plane subassembly carries out light for photelectric receiver of the control positioned at focal plane circuit to the optical signalling received
Electricity conversion, is imaged laser pulse and ground scenery with realizing.The photelectric receiver is face array CMOS image sensor
Or Array CCD sensor.
The processing circuit include Power entry module, timing control and image data processing module, telemetered signal acquisition module,
Data transmission blocks, wherein Power entry module are used to complete the power supply and distribution of the processing circuit ,+12V secondary power supplies that will be received from outside
The various supply voltages needed for processing circuit and focal plane circuit are converted to, and carry out electricity through electromagnetic interface filter and DC/DC converters
The filtering process in source；Timing control and image data processing module complete photelectric receiver initial configuration and phase by FPGA device
Timing control, the digital TDI processing for completing image data are answered, and data are sent to data transmission blocks by treated；Telemetering
Signal acquisition module using current/power monitor, temperature sensor complete telemetered signal acquisition, including voltage telemeering amount with
And acquisition and the analog-to-digital conversion of remote temperature sensing amount, and transformed digital signal is sent to data transmission blocks；Data are sent
Module will connect after the image data received and voltage digital signal and temperature digital Signal coding through 100 m ethernet physical layer
Mouth chip output.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
The content not being described in detail in description of the invention belongs to the known technology of professional and technical personnel in the field.
Claims (10)
1. a kind of spaceborne laser range finder laser alignment recording device, it is characterised in that：Including leaded light component, lens assembly, coke
Face component；
Leaded light component receives the laser acquisition pulse that external laser transmitter is sent out, will be anti-after the energy attenuation of laser acquisition pulse
It is incident upon lens assembly；
Lens assembly obtains the visible optical radiation on ground and receives the laser acquisition pulse of leaded light component reflection, it will be seen that light radiation
Focal plane subassembly, the optical axis of the optical axis of lens assembly and the laser transmitter of external laser range finder are transferred to laser acquisition pulse
It forms an angle；
Focal plane subassembly receives the visible optical radiation of lens assembly transmission and laser acquisition pulse, and N number of leaded light component is passed respectively
The laser acquisition pulse and visible optical radiation come is imaged.
2. a kind of spaceborne laser range finder laser alignment recording device according to claim 1, it is characterised in that：The mirror
The optical axis of head assembly and the certain angle of optical axis of the laser transmitter of external laser range finder are specially 2 °.
3. a kind of spaceborne laser range finder laser alignment recording device according to claim 1, which is characterized in that described to lead
Optical assembly includes：Metal shell and prism；Metal shell is provided with light inlet and light-emitting window, there is prism, prism inside metal shell
There are two opposite reflection optical plane, the normal of the normal of the first reflection optical plane and the second reflection optical plane is vertical.
4. a kind of spaceborne laser range finder laser alignment recording device according to claim 1, it is characterised in that：The coke
Face component includes at least one focal plane circuit and at least one processing circuit；
The quantity of focal plane circuit is equal to the laser transmitter number of external laser range finder, and there are one photoelectricity for each focal plane circuit tool
Receiver, photelectric receiver receive laser acquisition pulse and the visible optical radiation that corresponding leaded light component is sent, and by laser acquisition
The optical signal of pulse and visible optical radiation is sent after being converted to digital signal to processing circuit；
Processing circuit receives the digital signal that focal plane circuit is sent and carries out number TDI processing to the digital signal, generates voltage
Telemetered signal and remote temperature sensing signal export telemetered signal and treated data signals.
5. a kind of spaceborne laser range finder laser alignment recording device according to claim 3, it is characterised in that：It is described to lead
Optical assembly further includes wedge, and the outgoing optical plane of wedge is pasted onto the prism surface of leaded light component light inlet, the incident light of wedge
Outgoing optical plane with wedge is in 20 "~40 " angles, and optical filter and attenuator are stained on wedge.
6. a kind of spaceborne laser range finder laser alignment recording device according to claim 4, it is characterised in that：The place
It manages circuit and includes Power entry module, timing control and image data processing module, telemetered signal acquisition module, data transmission blocks,
The power supply received from outside is converted to processing circuit and focal plane by Power entry module through electromagnetic interface filter and DC/DC converters
Voltage needed for circuit, and the filtering process of power supply is carried out, transformed voltage is sent to timing control and figure in processing circuit
As data processing module, telemetered signal acquisition module, data transmission blocks and focal plane circuit；
Timing control and image data processing module receive the voltage that Power entry module provides, which generates focal plane by FPGA device
Initial configuration and timing control on circuit needed for photelectric receiver, and the digital signal that focal plane circuit sends over is received,
After completing number TDI processing, image data is sent to data transmission blocks；
Telemetered signal acquisition module includes current/power monitor, temperature sensor；Telemetered signal acquisition module using electric current/
Power monitor is acquired voltage caused by Power entry module, and collected voltage is converted to the first digital signal,
The temperature signal of processing circuit is acquired using temperature sensor simultaneously, and temperature signal is converted into the second number and is believed
Number, and the first digital signal and the second digital signal are sent to data transmission blocks；
Data transmission blocks by receive telemetered signal acquisition module transmission the first digital signal and the second digital signal and when
The image data that sequence controls and image data processing module is sent is exported by 100 m ethernet physical layer interface chip to outside.
7. a kind of spaceborne laser range finder laser alignment recording device according to claim 5, it is characterised in that：The filter
Mating plate is used to filter out the spectrum outside laser acquisition pulse spectral coverage.
8. according to a kind of arbitrary spaceborne laser range finder laser alignment recording devices of claim 1-7, it is characterised in that：
The quantity N of the leaded light component is equal to the laser transmitter number of external laser range finder.
9. a kind of spaceborne laser range finder laser alignment recording device according to claim 8, it is characterised in that：
The photelectric receiver is face array CMOS image sensor or Array CCD sensor；
The recording device further includes agent structure, and agent structure is polygonal column support construction, is fixedly mounted respectively external
Laser transmitter, lens assembly, the focal plane subassembly of laser range finder；Agent structure is fixed on the primary load bearing of external laser range finder
In structure.
10. a kind of spaceborne laser range finder laser alignment recording device according to claim 9, it is characterised in that：It is described
The quantity of leaded light component is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418574.0A CN108226943B (en) | 2017-12-25 | 2017-12-25 | Laser pointing recording device of satellite-borne laser range finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418574.0A CN108226943B (en) | 2017-12-25 | 2017-12-25 | Laser pointing recording device of satellite-borne laser range finder |
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| Publication Number | Publication Date |
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| CN108226943A true CN108226943A (en) | 2018-06-29 |
| CN108226943B CN108226943B (en) | 2020-02-14 |
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| CN201711418574.0A Active CN108226943B (en) | 2017-12-25 | 2017-12-25 | Laser pointing recording device of satellite-borne laser range finder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110794385A (en) * | 2019-10-18 | 2020-02-14 | 北京空间机电研究所 | Method and system for evaluating zero gravity pointing of laser |
| CN112013953A (en) * | 2020-07-09 | 2020-12-01 | 北京工业大学 | Light beam directivity deviation calculation system of laser device bar |
| CN112084621A (en) * | 2020-07-27 | 2020-12-15 | 北京空间机电研究所 | Method, medium and equipment for long-distance transmission simulation of optical fiber laser |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014025428A2 (en) * | 2012-05-12 | 2014-02-13 | Van Cruyningen Izak Jan | Light ranging with moving sensor array |
| CN104964672A (en) * | 2015-06-29 | 2015-10-07 | 济南大学 | Long-distance obstacle perception sensor based on line structured light |
| CN105044704A (en) * | 2015-07-24 | 2015-11-11 | 北京空间机电研究所 | High precision spaceborne laser transmitter performance integrated test system |
| CN106125069B (en) * | 2016-06-22 | 2018-04-20 | 武汉大学 | It is a kind of that angle systematic error scaling method is directed toward based on the spaceborne laser altimeter system instrument for being directed toward angle residual error |
-
2017
- 2017-12-25 CN CN201711418574.0A patent/CN108226943B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014025428A2 (en) * | 2012-05-12 | 2014-02-13 | Van Cruyningen Izak Jan | Light ranging with moving sensor array |
| CN104964672A (en) * | 2015-06-29 | 2015-10-07 | 济南大学 | Long-distance obstacle perception sensor based on line structured light |
| CN105044704A (en) * | 2015-07-24 | 2015-11-11 | 北京空间机电研究所 | High precision spaceborne laser transmitter performance integrated test system |
| CN106125069B (en) * | 2016-06-22 | 2018-04-20 | 武汉大学 | It is a kind of that angle systematic error scaling method is directed toward based on the spaceborne laser altimeter system instrument for being directed toward angle residual error |
Non-Patent Citations (1)
| Title |
|---|
| 宋博等: "资源三号(02)星载高精度激光测距技术的实现", 《光电子技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110794385A (en) * | 2019-10-18 | 2020-02-14 | 北京空间机电研究所 | Method and system for evaluating zero gravity pointing of laser |
| CN112013953A (en) * | 2020-07-09 | 2020-12-01 | 北京工业大学 | Light beam directivity deviation calculation system of laser device bar |
| CN112013953B (en) * | 2020-07-09 | 2023-06-20 | 北京工业大学 | Beam directivity deviation calculation system of laser bar |
| CN112084621A (en) * | 2020-07-27 | 2020-12-15 | 北京空间机电研究所 | Method, medium and equipment for long-distance transmission simulation of optical fiber laser |
| CN112084621B (en) * | 2020-07-27 | 2024-04-09 | 北京空间机电研究所 | Method, medium and equipment for simulating long-distance transmission of optical fiber laser |
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| Publication number | Publication date |
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| CN108226943B (en) | 2020-02-14 |
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