CN109541640A - A kind of aerosol LIDAR of comprehensive full angle - Google Patents
A kind of aerosol LIDAR of comprehensive full angle Download PDFInfo
- Publication number
- CN109541640A CN109541640A CN201811620658.7A CN201811620658A CN109541640A CN 109541640 A CN109541640 A CN 109541640A CN 201811620658 A CN201811620658 A CN 201811620658A CN 109541640 A CN109541640 A CN 109541640A
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- mirror
- rotation axis
- transmission gear
- full angle
- laser
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- 239000000443 aerosol Substances 0.000 title claims abstract description 19
- 230000003287 optical effect Effects 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 43
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 11
- 239000002245 particle Substances 0.000 description 9
- 230000006872 improvement Effects 0.000 description 7
- 230000010287 polarization Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000028161 membrane depolarization Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241000931526 Acer campestre Species 0.000 description 1
- 239000005427 atmospheric aerosol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000005436 troposphere Substances 0.000 description 1
Classifications
-
- 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
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/95—Lidar systems specially adapted for specific applications for meteorological use
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention discloses a kind of aerosol LIDAR of comprehensive full angle, including radar host computer and rotating mechanism, the affixed rotating mechanism of radar host computer；The radar host computer includes mounting seat, optical facilities and laser have been respectively and fixedly connected in the mounting seat, the optical facilities include window, reflecting mirror fixing seat, convex reflecting mirror and concave mirror before telescope, the convex reflecting mirror is located at before telescope between window and concave mirror, and is fixed by reflecting mirror fixing seat；It is described to be successively arranged collimating mirror, plane mirror one and plane mirror two along the laser direction of the launch；The center of the concave mirror is through-hole, and the focus F of the concave mirror is located on the PMT of through hole back-end；The PMT signal connection data processing and analysis system and control system.The present invention can effectively eliminate blind area since its orientation and angle are adjustable, expand monitoring range.
Description
Technical field
The present invention relates to altitude air quality-monitoring field more particularly to a kind of aerosol laser thunders of comprehensive full angle
It reaches.
Background technique
Aerosol is suspended in solid or liquid fine particle in air, is divided into cigarette, mist and dust, is the aerial haze in day
Important component has very big harm to the health of the mankind.It is the pollutant of National Environmental Protection Agency's key monitoring.
A kind of active remote sensing equipment of the laser radar as atmospheric sounding optical parameter has good directionality, time-space resolution
Rate is high, can continuous observation the advantages of, be widely used in detecting troposphere or stratospheric particle concentration profile.Its work
Be as principle: the laser as caused by laser is light source Vertical Launch into atmosphere, and interacts with Atmospheric components, is generated
The radiation signals such as physics, chemistry and optical information, this radiation signal are the main foundations of inverting Atmospheric components relevant information.Due to
Laser Vertical Launch caused by laser is acquired and analyzes into atmosphere, to the echo-signal that it is generated.That is
One radar can only Air Quality right above detection radar present position so that radar has very big blind area, seriously
Influence detection efficient and monitoring effect.
Also there is the scheme to solve the above problems on a small quantity at present, for example the laser radar of Publication No. CN107688171A is eliminated
The method of blind area, including reception system at least have a first reception system and the second reception system, described first receive system and
There is deflection angle between second reception system.Deflection angle by the way that two reception systems are rationally arranged eliminates laser radar system
The measurement blind area of system.The program still can not eliminate all blind areas, and due to increasing a set of reception system, not only structure is complicated
And there are many restrictions.
A kind of high-precision atmosphere particle monitoring of for another example Publication No. CN108693088A scans polarization lidar
System, including receive-transmit system, display system, evidence-obtaining system, scanning system, signal processing system and optical singnal processing system
System；The receive-transmit system, display system, signal processing system and optical singnal processing system are respectively positioned in shell, the scanning
System includes rotating horizontally horizontal rotation case and receive-transmit system described in case, vertical rotary case and interlocking lever to be coaxially disposed, the light
Signal processing system is learned to match with the position of receive-transmit system.The present invention can effectively reduce the offset of optical path caused by structural strain,
Whole monitoring performance and monitoring accuracy are higher, are influenced by weather smaller, while can realize remote monitoring, and realize it is horizontal and
The rotary scanning of vertical both direction, solve market today sale atmospheric aerosol laser radar can not 360 ° of level revolved without limitation
The problem of turning and synchronous evidence obtaining problem.But it is clear that not only system is huge and still with the presence of blind area for the program.
Summary of the invention
Present invention aim to address the blind zone problem of existing aerosol LIDAR, a kind of comprehensive full angle is provided
Aerosol LIDAR, so that dead zone-eliminating, improves the detection efficient of radar.
The technical solution adopted by the present invention is that: a kind of aerosol LIDAR of comprehensive full angle, including radar host computer
And rotating mechanism, the affixed rotating mechanism of radar host computer；The radar host computer includes mounting seat, is divided in the mounting seat
It is not connected with optical facilities and laser, the optical facilities include window, reflecting mirror fixing seat, convex reflecting mirror before telescope
And concave mirror, the convex reflecting mirror are located at before telescope between window and concave mirror, and by reflecting mirror fixing seat
It is fixed；It is described to be successively arranged collimating mirror, plane mirror one and plane mirror two along the laser direction of the launch；The concave surface is anti-
The center for penetrating mirror is through-hole, and the focus F of the concave mirror is located on the PMT of through hole back-end；The PMT signal connection
Data process&analysis system and control system.
As a further improvement of the present invention, the rotating mechanism includes supporting leg, affixed turn of the top of the supporting leg
Moving axis one and rotation axis two, the rotation axis one connect transmission gear one, and the rotation axis two connects transmission gear two, the biography
Two gear of moving gear connects transmission gear one；The affixed turntable in the bottom of the supporting leg, the turntable pass through transmission gear four, biography
Three gear of moving gear connects rotation axis three, the affixed handwheel in the top of the rotation axis, and its underpart passes through the affixed bearing block of bearing one
One；The transmission gear four is connected by bearing two with bearing block two.
As a further improvement of the present invention, the rotation axis one is keyed transmission gear one, the rotation by key one
Axis two is keyed transmission gear two by key two, and the rotation axis three is keyed transmission gear three by key three.
As a further improvement of the present invention, the turntable, rotation axis three, bearing one, bearing block one, bearing two, bearing
Seat and transmission gear three and transmission gear four are located in pedestal.
As a further improvement of the present invention, the rotation axis two connects handwheel.
As a further improvement of the present invention, the collimating mirror is connected by collimating mirror fixing seat with mounting seat, described
Plane mirror one is connected by fixing seat with mounting seat, the affixed reflecting mirror fixing seat of the plane mirror two.
As a further improvement of the present invention, the laser, collimating mirror and plane mirror one are located in protective cover.
As a further improvement of the present invention, the laser is Nd:YAG laser.
The beneficial effect that the present invention uses is: the aerosol LIDAR of this structure, which is realized by center pair radius of radar, is
Any direction within the scope of 10km is detected, and is not necessarily to the position of movable radar；Improve the utilization rate and detection effect of radar
Rate；Reduce radar to layout quantity, reduce costs.The present invention, can be effective since its orientation and angle are adjustable
Dead zone-eliminating expands monitoring range.
Detailed description of the invention
Fig. 1 is radar host computer schematic diagram of the invention.
Fig. 2 is rotating mechanism schematic diagram of the invention.
As shown in the figure: nonspherical particle in 1 atmosphere, spheroidal particle in 2 atmosphere, window before 3 telescopes, 4 planes are anti-
Penetrate mirror, 5 reflecting mirror fixing seats, 6 convex reflecting mirrors, 7 concave mirrors, 8 PMT, 9 focus F, 10 data process&analysis
System, 11 control systems, 12 protective covers, 13 lasers, 14 mounting seats, 15 collimating mirror fixing seats, 16 collimating mirrors, 17
Plane mirror one, 18 plane mirror, one fixing seat, 19 radar host computers, 20 transmission gears one, 21 transmission shafts one, 22
Key one, 23 keys two, 24 rotation axis two, 25 transmission gears two, 26 supporting legs, 27 turntables, 28 handwheels, 29 rotation axis three,
30 keys three, 31 transmission gears three, 32 pedestals, 33 bearings one, 34 bearing blocks one, 35 bearing blocks two, 36 transmission gears
Four, 37 bearings two.
Specific embodiment
Below with reference to Fig. 1 and Fig. 2, the present invention is described further.
As shown, a kind of aerosol LIDAR of comprehensive full angle, including radar host computer 19 and rotating mechanism, institute
State the affixed rotating mechanism of radar host computer 19；The radar host computer 19 includes mounting seat 14, is consolidated respectively in the mounting seat 14
Optical facilities and laser 13 are connected to, the optical facilities include window 3, reflecting mirror fixing seat 5, convex reflecting mirror before telescope
6 and concave mirror 7, the convex reflecting mirror 6 is located at before telescope between window 3 and concave mirror 7, and is consolidated by reflecting mirror
Reservation 5 is fixed；It is described to be successively arranged collimating mirror 16, plane mirror 1 and plane mirror two along 13 direction of the launch of laser
4；The center of the concave mirror 7 is through-hole, and the focus F of the concave mirror 7 is located on the PMT of through hole back-end；
The PMT signal connection data processing and analysis system 10 and control system 11.
Spheroidal particle back scattering is linear polarization, and nonspherical particle is no longer then linearly polarized light, but by parallel and vertical
Two straight polarized components pass through the two components and the depolarization of measurable particle such as sand and dust and cirrus.Its general public affairs
Formula are as follows:
In formula, λ is the optical maser wavelength (nm) that is emitted；Subscript p and s respectively indicates back scattering light polarization direction and transmitting laser
The parallel and vertical both direction in polarization direction；Pzp(z,) and Pzs (z, λ) respectively indicate laser radar receive system connect
The height (distance) of receipts is the parallel polarization component and vertical polarisation component of back scattering of the atmospheric medium in wavelength X at z
Echo power (W)；Pt() it is the laser emitting power (W) that wavelength is λ；β p (z, λ) and β s (z, λ) be respectively height (away from
From) be backscattering coefficient of the atmospheric medium in wavelength X at z parallel polarization component and vertical polarisation component (km-1
Sr-1)；Kp and ks indicates radar system constant (W km3 sr), the former represents parallel polarization component value, and the latter represents vertical
Polarized component value；p(z,) ands(z,) be respectively height (distance) z at extinction coefficient of the atmosphere in wavelength X put down
Row polarized component and vertical polarisation component (km-1)；Prp(z,) and Prs (z,) it is respectively major to from distance z from telescope
Parallel and two vertical polarized components of the echo power of gas molecule back scattering；δ(z,) it is atmosphere depolarization ratio.
Its optical path are as follows: laser 16 shine → plane mirror 17 → plane mirror, 4 → atmosphere in spheroidal particle 2
With 1 → concave mirror of nonspherical particle, 7 → convex reflecting mirror, 6 → focus F → PMT in atmosphere.
Rotating mechanism includes supporting leg 26, the affixed rotation axis 1 in the top of the supporting leg 26 and rotation axis 2 24, institute
It states rotation axis 1 and connects transmission gear 1, the rotation axis 2 24 connects transmission gear 2 25, the transmission gear 2 25
Gear connects transmission gear 1；The affixed turntable 27 in the bottom of the supporting leg 26, the turntable 27 by transmission gear 4 36,
3 31 gear of transmission gear connects rotation axis 3 29, and the affixed handwheel 28 in the top of the rotation axis 3 29, its underpart passes through bearing
One 33 affixed bearing blocks 1；The transmission gear 4 36 is connected by bearing 2 37 with bearing block 2 35.
Handwheel successively drives transmission shaft 2 24, transmission gear 2 25, transmission gear 1, transmission shaft 1 to rotate, and passes
Moving axis one and radar host computer 19 are rigid connections, so rotation handwheel can be such that radar host computer is rotated in vertical plane,
Realize angle-adjustable and the rotation in 0 to 180 in vertical plane of radar host computer 19.
Successively band nutating gear 3 31, transmission gear 4 36 rotate handwheel in the horizontal plane.And supporting leg 26 and turntable
27 are rigidly connected with transmission gear 4 36 by fastener, at the same with 19 rigidly connected transmission shaft of radar host computer one 21 by
Supporting leg 26 supports.Therefore, radar host computer also rotates in level with supporting leg, thus realize radar host computer in the horizontal plane into
0 to 360 direction of row rotates.
To protect rotating mechanism, enable the operation that whole equipment is steady in a long-term, turntable 27, rotation axis 3 29, bearing
One 33, bearing block 1, bearing 2 37, bearing block and 35, transmission gear 3 31 and transmission gear 4 36 are located in pedestal 32.
To ensure operation that whole equipment can be steady in a long-term, it is ensured that the effect of radar monitoring, the collimating mirror 16 pass through
Collimating mirror fixing seat 15 is connected with mounting seat 14, and the plane mirror 1 passes through 14 phase of fixing seat 18 and mounting seat
Even, the affixed reflecting mirror fixing seat 5 of the plane mirror 24.
To guarantee efficient work steady in a long-term of the invention, the laser 13, collimating mirror 16 and plane mirror one
17 are located in protective cover 12.
For the accuracy and validity for guaranteeing measurement of the invention, the laser is Nd:YAG laser.
The aerosol LIDAR of this structure is realized by center pair radius of radar be any direction within the scope of 10km into
Row detection, and it is not necessarily to the position of movable radar；Improve the utilization rate and detection efficient of radar；Reduce radar to layout quantity,
It reduces costs.The present invention can effectively eliminate blind area since its orientation and angle are adjustable, expand monitoring range.
Those skilled in the art should know the protection scheme of the present invention is not limited only to the above embodiments, can also be
Various permutation and combination and transformation are carried out on the basis of above-described embodiment, on the premise of without prejudice to spirit of the invention, to the present invention
The various transformation carried out are fallen within the scope of protection of the present invention.
Claims (8)
1. a kind of aerosol LIDAR of comprehensive full angle, it is characterized in that including radar host computer (19) and rotating mechanism, institute
State radar host computer (19) affixed rotating mechanism；The radar host computer (19) includes mounting seat (14), the mounting seat (14)
On be respectively and fixedly connected with optical facilities and laser (13), the optical facilities include window (3), reflecting mirror fixing seat before telescope
(5), convex reflecting mirror (6) and concave mirror (7), it is anti-that the convex reflecting mirror (6) is located at window (3) and concave surface before telescope
It penetrates between mirror (7), and fixed by reflecting mirror fixing seat (5)；It is described to be successively arranged collimating mirror along laser (13) direction of the launch
(16), plane mirror one (17) and plane mirror two (4)；The center of the concave mirror (7) is through-hole, described
The focus F(9 of concave mirror (7)) it is located at the PMT(8 of through hole back-end) on；The PMT(8) signal connection data processing with point
Analysis system (10) and control system (11).
2. the aerosol LIDAR of a kind of comprehensive full angle according to claim 1, it is characterized in that the rotating machine
Structure includes supporting leg (26), the affixed rotation axis one (21) in top of the supporting leg (26) and rotation axis two (24), the rotation
Axis one (21) connects transmission gear one (20), and the rotation axis two (24) connects transmission gear two (25), the transmission gear two
(25) gear connection transmission gear one (20)；The affixed turntable in bottom (27) of the supporting leg (26), the turntable (27) pass through
Transmission gear four (36), transmission gear three (31) gear connection rotation axis three (29), the top of the rotation axis three (29) are affixed
Handwheel (28), its underpart pass through the affixed bearing block one (34) of bearing one (33)；The transmission gear four (36) passes through bearing two
(37) it is connected with bearing block two (35).
3. the aerosol LIDAR of a kind of comprehensive full angle according to claim 2, it is characterized in that the rotation axis
One (21) pass through key two (23) key connection transmission by key one (22) key connection transmission gear one (20), the rotation axis two (24)
Gear two (25), the rotation axis three (29) pass through key three (30) key connection transmission gear three (31).
4. the aerosol LIDAR of a kind of comprehensive full angle according to claim 2, it is characterized in that the turntable
(27), rotation axis three (29), bearing one (33), bearing block one (34), bearing two (37), bearing block and (35), transmission gear three
(31) it is located in pedestal (32) with transmission gear four (36).
5. the aerosol LIDAR of a kind of comprehensive full angle according to claim 2, it is characterized in that the rotation axis
Two (24) connect handwheel.
6. the aerosol LIDAR of a kind of comprehensive full angle according to claim 1, it is characterized in that the collimating mirror
(16) it is connected by collimating mirror fixing seat (15) with mounting seat (14), the plane mirror one (17) passes through fixing seat (18)
It is connected with mounting seat (14), the affixed reflecting mirror fixing seat (5) of plane mirror two (4).
7. a kind of aerosol LIDAR of comprehensive full angle as claimed in any of claims 1 to 6, feature
It is that the laser (13), collimating mirror (16) and plane mirror one (17) are located in protective cover (12).
8. the aerosol LIDAR of a kind of comprehensive full angle according to claim 7, it is characterized in that the laser
For Nd:YAG laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620658.7A CN109541640A (en) | 2018-12-28 | 2018-12-28 | A kind of aerosol LIDAR of comprehensive full angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620658.7A CN109541640A (en) | 2018-12-28 | 2018-12-28 | A kind of aerosol LIDAR of comprehensive full angle |
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| Publication Number | Publication Date |
|---|---|
| CN109541640A true CN109541640A (en) | 2019-03-29 |
Family
ID=65857245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811620658.7A Pending CN109541640A (en) | 2018-12-28 | 2018-12-28 | A kind of aerosol LIDAR of comprehensive full angle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031863A (en) * | 2019-05-21 | 2019-07-19 | 安徽蓝科信息科技有限公司 | A kind of scanning means based on two wavelength aerosol radars |
| CN110045392A (en) * | 2019-05-23 | 2019-07-23 | 南京信息工程大学 | It is a kind of for scanning the laser radar system of atmospheric aerosol |
| CN111220968A (en) * | 2020-02-26 | 2020-06-02 | 安徽蓝盾光电子股份有限公司 | Multichannel laser radar optical terminal optical signal debugging device and debugging method thereof |
| CN112630752A (en) * | 2020-12-14 | 2021-04-09 | 安徽蓝盾光电子股份有限公司 | Multi-wavelength laser radar emergent light parallel calibration method and application |
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| CN1556393A (en) * | 2004-01-08 | 2004-12-22 | 中国科学院安徽光学精密机械研究所 | Vehicle carried biware length scattering laser radar |
| FR2865545A1 (en) * | 2004-01-22 | 2005-07-29 | Commissariat Energie Atomique | Lidar (Light detecting and ranging) with an emission module producing a light beam at least part of which is then retrodiffused and a receiving module for the retrodiffused signal |
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| CN204789985U (en) * | 2015-07-14 | 2015-11-18 | 南京信息工程大学 | Measurement system of how much overlap factors of medium -and -large -sized laser radar |
| CN209486300U (en) * | 2018-12-28 | 2019-10-11 | 安徽蓝盾光电子股份有限公司 | A kind of aerosol LIDAR of comprehensive full angle |
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| CN1556393A (en) * | 2004-01-08 | 2004-12-22 | 中国科学院安徽光学精密机械研究所 | Vehicle carried biware length scattering laser radar |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031863A (en) * | 2019-05-21 | 2019-07-19 | 安徽蓝科信息科技有限公司 | A kind of scanning means based on two wavelength aerosol radars |
| CN110045392A (en) * | 2019-05-23 | 2019-07-23 | 南京信息工程大学 | It is a kind of for scanning the laser radar system of atmospheric aerosol |
| CN111220968A (en) * | 2020-02-26 | 2020-06-02 | 安徽蓝盾光电子股份有限公司 | Multichannel laser radar optical terminal optical signal debugging device and debugging method thereof |
| CN112630752A (en) * | 2020-12-14 | 2021-04-09 | 安徽蓝盾光电子股份有限公司 | Multi-wavelength laser radar emergent light parallel calibration method and application |
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