CN104639235B - Integrated system with simultaneous laser ranging, polarization imaging and laser communication - Google Patents
Integrated system with simultaneous laser ranging, polarization imaging and laser communication Download PDFInfo
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- CN104639235B CN104639235B CN201510028216.3A CN201510028216A CN104639235B CN 104639235 B CN104639235 B CN 104639235B CN 201510028216 A CN201510028216 A CN 201510028216A CN 104639235 B CN104639235 B CN 104639235B
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Abstract
The invention relates to an integrated system with simultaneous laser ranging, polarization imaging and laser communication, belonging to the fields of target detection and identification and information transmission. The system comprises a coarse beacon light and ranging light transmitting/receiving subsystem, a precise beacon light transmitting/receiving and polarization imaging detection subsystem, and a tracking rotation table; the coarse beacon light and ranging light transmitting/receiving subsystem and the precise beacon light transmitting/receiving and polarization imaging detection subsystem are positioned on the tracking rotation table; the coarse beacon light and ranging light transmitting/receiving subsystem and the precise beacon light transmitting/receiving and polarization imaging detection subsystem are arranged in parallel with an optical axis. Compared with the prior art, the system has the characteristics of simultaneous laser ranging, polarization imaging and communication functions, high use efficiency and wide application range.
Description
Technical field
The invention belongs to target acquisition identification and field of information transmission, more particularly to a kind of laser ranging and polarization imaging and
Laser communication integral system.
Background technology
Laser ranging technique is a kind of technology for carrying out Accurate Determining using laser to the distance of target, is laser in military affairs
The earliest and most wide technology using in.Classify by laser distance measurement method, pulsed laser ranging and continuous wave laser range finding can be divided into
Two class technologies.Pulsed laser ranging is i.e. using light pulse (the pulse width that pulse laser is very narrow to objective emission one or string
Degree is less than 50ns), measure light pulse and reach target and returned to the time of receiver by target, thus calculate target away from
From.The transmission power of pulse laser range finder is high, range capability relatively strong, small volume, applies in remote object ranging more.
Laser communication is the technology for carrying out the information transfers such as voice, image, data using laser as carrier.Space laser leads to
Letter is explored and is made a breakthrough in recent years through for many years, and compared with microwave (frequency range such as Ka, EHF), laser communication has
With the relatively low advantage of wide, energy height concentration, transmission power.Laser communication security performance is good, anti-electromagnetic interference capability
By force, it has also become solve the effective means of the two-forty bottleneck of microwave communication, with very big the army and the people's application potential.
LDMS originally, polarized imaging system, laser communication system single function, service efficiency are low.So,
Need a kind of new technology badly to change such present situation in this area.
The content of the invention
The technical problem to be solved：For shortcomings and deficiencies of the prior art, the present invention provides one kind simultaneously
With laser ranging it is high with polarization imaging and communication function, service efficiency, it is applied widely while laser ranging with polarize
Picture and laser communication integral system.
What the present invention was designed so as to：Laser ranging simultaneously and polarization imaging and laser communication integral system, its feature
It is：Subsystem is detected including thick beacon beam and range finding light transmitting/receiving subsystem, smart beacon beam transmitting/reception with polarization imaging
System and tracking table；Described thick beacon beam and range finding light transmitting/receiving subsystem are launched/are received and polarize with smart beacon beam
As detection subsystem is arranged on tracking table, thick beacon beam and range finding light transmitting/receiving subsystem are launched/are connect with smart beacon beam
Receipts are arranged in parallel with optical axis with polarization imaging detection subsystem；Laser communication beacon beam transmitting in the system/receive and laser
Range finding light transmitting/receive a shared optical antenna, and the separation of beacon beam and range finding light is realized by light splitting piece；In the system
Laser communication flashlight transmitting/receive, laser communication essence beacon beam transmitting/receive, imaging detection share a Cassegrain
Telescopic optical system；
Described thick beacon beam and range finding light transmitting/receiving subsystem include looking in the distance optical unit, half-reflection and half-transmission unit, divide
Light unit, thick beacon/range finding Optical Transmit Unit, range finding light receiving unit, thick beacon probe unit and APT processing units；It is described
Optical unit of looking in the distance, half-reflection and half-transmission unit and spectrophotometric unit be with optical axis arranged in series；Described thick beacon/range finding light transmitting is single
Unit is arranged on the reflection direction of half-reflection and half-transmission unit；Described range finding light receiving unit is separately positioned on thick beacon probe unit
The reflection of spectrophotometric unit and transmission direction, the thick beacon beam Jing for receiving are looked in the distance optical unit, half-reflection and half-transmission unit, spectrophotometric unit
Afterwards, received with thick beacon probe unit by range finding light receiving unit, complete object ranging and rough tracking imaging；At described APT
Reason unit produces control signal control tracking table according to rough tracking imaging and rotates, and completes the rough tracking to target；
Described smart beacon beam transmitting/reception includes look in the distance optical unit, half-reflection and half-transmission with polarization imaging detection subsystem
Unit, polarization imaging unit, galvanometer unit, spectrophotometric unit, smart flashlight transmitter/receiver unit and Communication ray transmitting/receive single
Unit；, with optical axis arranged in series, target light Jing is looked in the distance light for described optical unit of looking in the distance, half-reflection and half-transmission unit and polarization imaging unit
Unit, the transmission of half-reflection and half-transmission unit is learned, is imaged on polarization imaging unit；Described galvanometer unit is with spectrophotometric unit with optical axis string
Townhouse is arranged, and galvanometer unit is arranged on the reflection direction of half-reflection and half-transmission unit with spectrophotometric unit；Described smart flashlight transmitting/receive
Unit is separately positioned on reflection and the transmission direction of spectrophotometric unit with Communication ray transmitter/receiver unit；Described smart flashlight is sent out
Penetrate/the smart flashlight of receiving unit transmitting incides half-reflection and half-transmission unit, the reflection of Jing half-reflection and half-transmissions unit through the reflection of galvanometer unit
Incide optical unit of looking in the distance, Jing looks in the distance optical unit outgoing, meanwhile, the smart flashlight Jing of objective emission look in the distance optical unit,
Received by smart flashlight transmitter/receiver unit after half-reflection and half-transmission unit, galvanometer unit, spectrophotometric unit, according to the smart beacon for receiving
Imaging produces control signal control galvanometer unit rotational, completes the essence tracking to target.
Described thick beacon beam and range finding light transmitting/receiving subsystem when two-way communication is found range, using narrow band pass filter
Light splitting, realizes that range finding light is separated with beacon beam.
Described Communication ray transmitter/receiver unit is launched, reception flashlight is communicated.
By above-mentioned design, the present invention can bring following beneficial effect：
Present invention laser ranging simultaneously mainly has laser ranging simultaneously with polarization imaging and laser communication integral system
With three partial function of polarization imaging and laser communication.Laser ranging application pulsed laser ranging apart from it is remote the characteristics of；Polarization imaging
System can realize the purpose of scout-observation；Laser communication has that information capacity is big, bandwidth, anti-electromagnetic interference capability are strong, protects
The features such as close property is good.Three-in-one system can be carried to the kinds of platform such as satellite, aircraft, car and boat, can be widely used in each
Field, completes multiple-task.
Description of the drawings
The invention will be further described with specific embodiment for explanation below in conjunction with the accompanying drawings：
Fig. 1 is the present invention while laser ranging and polarization imaging and the structural representation of laser communication integral system.
1 it is thick beacon beam and range finding light transmitting/receiving subsystem in figure, 2 launches/reception and polarization imaging for smart beacon beam
Detection subsystem, 3 be tracking table, 11 be optical unit of looking in the distance, 12 be half-reflection and half-transmission unit, 13 be spectrophotometric unit, 14 be thick
Beacon/range finding Optical Transmit Unit, 15 for range finding light receiving unit, 16 be thick beacon probe unit, 17 be APT processing units, 21
For optical unit of looking in the distance, 22 be half-reflection and half-transmission unit, 23 be polarization imaging unit, 24 be galvanometer unit, 25 be spectrophotometric unit, 26
It is Communication ray transmitter/receiver unit for smart flashlight transmitter/receiver unit, 27.
Specific embodiment
Laser ranging and polarization imaging and laser communication integral system while as shown in the figure, it is characterised in that：
It is main to detect son by thick beacon with range finding light transmitting/receiving subsystem 1, smart beacon emissions/reception and polarization imaging
System 2, tracking table 3 are constituted.Thick beacon and range finding light transmitting/receiving subsystem 1 and smart beacon emissions/reception and polarization imaging
Detection subsystem 2 is arranged in parallel with optical axis, is placed on tracking table 3, in thick beacon and range finding light transmitting/receiving subsystem 1
APT processing units 17 control tracking table 3 work.
Described thick beacon and range finding light transmitting/receiving subsystem 1 by optical unit 11 of looking in the distance, half-reflection and half-transmission unit 12,
Spectrophotometric unit 13, thick beacon/range finding Optical Transmit Unit 14, light receiving unit 15 of finding range, thick beacon probe unit 16, APT process
Unit 17 is constituted.Look in the distance optical unit 11, half-reflection and half-transmission unit 12, spectrophotometric unit 13 is with optical axis arranged in series, thick beacon/range finding
Optical Transmit Unit 14 is placed on the reflection direction of half-reflection and half-transmission unit 12, and thick beacon/range finding light is by half-reflection and half-transmission unit 12
After reflection, Jing optical units 11 of looking in the distance are launched.Range finding light receiving unit 15 and thick beacon probe unit 16 are individually placed to light splitting list
The reflection of unit 13, in transmission direction, the thick beacon beam Jing for receiving looks in the distance optical unit 11, half-reflection and half-transmission unit 12, light splitting list
After unit 13, received by range finding light receiving unit 15 and thick beacon probe unit 16, complete object ranging and rough tracking imaging.APT
Processing unit 17 produces control signal control tracking table 3 according to rough tracking imaging and rotates, and completes the rough tracking to target.
Described smart beacon emissions/reception is with polarization imaging detection subsystem 2 by optical unit 21 of looking in the distance, half-reflection and half-transmission list
Unit 22, polarization imaging unit 23, galvanometer unit 24, spectrophotometric unit 25, smart flashlight transmitter/receiver unit 26, Communication ray transmitting/
Receiving unit 27 is constituted.Look in the distance optical unit 21, half-reflection and half-transmission unit 22, polarization imaging unit 23 is with optical axis arranged in series, mesh
Mark light Jing looks in the distance optical unit 21, and half-reflection and half-transmission unit 22 is transmitted, and is imaged on polarization imaging unit 23；Galvanometer unit 24, point
Light unit 25 is placed on the reflection direction of half-reflection and half-transmission unit 22 with optical axis arranged in series, smart flashlight transmitter/receiver unit
26 and Communication ray transmitter/receiver unit 27 be individually positioned in the reflection of spectrophotometric unit 25, in transmission direction, smart flashlight transmitting/
Receiving unit 26 is launched smart flashlight and incides half-reflection and half-transmission unit 22, Jing half-reflection and half-transmissions unit 22 through the reflection of galvanometer unit 24
Optical unit 21 of looking in the distance is incided in reflection, and Jing looks in the distance 21 outgoing of optical unit；Meanwhile, the smart flashlight Jing of objective emission looks in the distance light
Unit 21 is learned, half-reflection and half-transmission unit 22, galvanometer unit 24 are received by smart flashlight transmitter/receiver unit 26 after spectrophotometric unit 25,
Smart beacon imaging according to receiving produces control signal control galvanometer unit 24 and rotates, until smart beacon imaging is optimal, completes right
The essence tracking of target.Communication ray transmitter/receiver unit 27 launches, receive flashlight is communicated.
The course of work of present system is as follows:
Target substantially orientation is determined by Global electrical circuiti or ephemeris first.Laser ranging simultaneously-polarize
Picture-laser communication integral system is made an appointment to objective emission the thick beacon/range laser of coding, and laser ranging unit is received
The reflected light mensuration distance of other side；Meanwhile, the coded laser light of intended recipient to fixed frequency also launches thick beacon/range laser,
Both sides realize acquisition and tracking by APT systems；Then both sides carry out smart tracking, realize stable polarized imaging；Finally by other side's
Modulate in flashlight after distance, polarization imaging information fusion, flashlight is launched.
Embodiment：
Laser ranging simultaneously and polarization imaging and laser communication integral system, it is characterised in that：
It is main to detect son by thick beacon with range finding light transmitting/receiving subsystem 1, smart beacon emissions/reception and polarization imaging
System 2, two axles, four framework tracking table 3 are constituted.Thick beacon and range finding light transmitting/receiving subsystem 1 and smart beacon emissions/reception
It is arranged in parallel with optical axis with polarization imaging detection subsystem 2, is placed on tracking table 3, thick beacon and range finding light is launched/received
The control tracking table 3 of APT processing units 17 in subsystem 1 works.
Described thick beacon and range finding light transmitting/receiving subsystem 1 are looked in the distance by the EB02-05-A models of Thorlabs companies
Optical unit 11, the EBS2 model half-reflection and half-transmissions unit 12 of Thorlabs companies, the SL-800M model light splitting of Thorlabs companies
Unit 13, the thick beacon of the ML620G40 models/range finding Optical Transmit Unit 14 of Thorlabs companies, the 4070M- of Thorlabs companies
CL models range finding light receiving unit 15, the thick beacon probe unit 16 of PDA8GS models of Thorlabs companies, APT processing units 17
Composition.Look in the distance optical unit 11, half-reflection and half-transmission unit 12, spectrophotometric unit 13 is with optical axis arranged in series, thick beacon/range finding light transmitting
Unit 14 is placed on the reflection direction of half-reflection and half-transmission unit 12, thick beacon/range finding light after the reflection of half-reflection and half-transmission unit 12,
Jing optical units 11 of looking in the distance are launched.Range finding light receiving unit 15 and thick beacon probe unit 16 are individually placed to the anti-of spectrophotometric unit 13
Penetrate, in transmission direction, the thick beacon beam Jing for receiving looks in the distance optical unit 11, half-reflection and half-transmission unit 12, after spectrophotometric unit 13, quilt
Range finding light receiving unit 15 and thick beacon probe unit 16 are received, and complete object ranging and rough tracking imaging.APT processing units 17
Control signal control tracking table 3 is produced according to rough tracking imaging to rotate, the rough tracking to target is completed.
Described smart beacon emissions/reception is hoped by the EB02-05-A of Thorlabs companies with polarization imaging detection subsystem 2
Remote optical unit 21, the EBS2 model half-reflection and half-transmissions unit 22 of Thorlabs companies, the FD1665P models of Fluxdata companies are inclined
Shake image-generating unit 23, the galvanometer unit 24 of the S-325PZT of PI Corp., the SL-1500M spectrophotometric units 25 of Thorlabs companies,
The ML1550G40 essence flashlights transmitter/receiver unit 26 of Thorlabs companies, Thorlabs-PDA8GS Communication rays transmitting/receive
Unit 27 is constituted.Look in the distance optical unit 21, half-reflection and half-transmission unit 22, polarization imaging unit 23 is with optical axis arranged in series, target light
Jing looks in the distance optical unit 21, and half-reflection and half-transmission unit 22 is transmitted, and is imaged on polarization imaging unit 23；Galvanometer unit 24, light splitting list
Unit 25 is placed on the reflection direction of half-reflection and half-transmission unit 22, smart 26 He of flashlight transmitter/receiver unit with optical axis arranged in series
Communication ray transmitter/receiver unit 27 is individually positioned in the reflection of spectrophotometric unit 25, in transmission direction, smart flashlight transmitting/receive
Unit 26 is launched smart flashlight and incides half-reflection and half-transmission unit 22 through the reflection of galvanometer unit 24, and Jing half-reflection and half-transmissions unit 22 reflects
Incide optical unit 21 of looking in the distance, Jing looks in the distance 21 outgoing of optical unit；Meanwhile, the smart flashlight Jing of target looks in the distance optical unit
21, half-reflection and half-transmission unit 22, galvanometer unit 24 are received by smart flashlight transmitter/receiver unit 26 after spectrophotometric unit 25, according to connecing
The smart beacon imaging of receipts produces control signal control galvanometer unit 24 and rotates, until smart beacon imaging is optimal, completes to target
Essence tracking.Communication ray transmitter/receiver unit 27 launches, receive flashlight is communicated.
Claims (3)
1. while laser ranging and polarization imaging and laser communication integral system, it is characterised in that：Including thick beacon beam and survey
Away from light transmitting/receiving subsystem (1), smart beacon beam transmitting/receive and polarization imaging detection subsystem (2) and tracking table (3)；
Described thick beacon beam and range finding light transmitting/receiving subsystem (1) detect subsystem with smart beacon beam transmitting/reception with polarization imaging
System (2) is arranged on tracking table (3), and thick beacon beam and range finding light transmitting/receiving subsystem (1) are launched/connect with smart beacon beam
Receipts are arranged in parallel with optical axis with polarization imaging detection subsystem (2)；Laser communication beacon beam transmitting in the system/receive and swash
Ligh-ranging light transmitting/receive a shared optical antenna, and the separation of beacon beam and range finding light is realized by light splitting piece；The system
In laser communication flashlight transmitting/receive, laser communication essence beacon beam transmitting/receive, imaging detection share jam lattice
Woods telescopic optical system；
Described thick beacon beam and range finding light transmitting/receiving subsystem (1) include look in the distance optical unit (11), half-reflection and half-transmission unit
(12), spectrophotometric unit (13), thick beacon/range finding Optical Transmit Unit (14), range finding light receiving unit (15), thick beacon probe unit
(16) with APT processing units (17)；Described optical unit of looking in the distance (11), half-reflection and half-transmission unit (12) are same with spectrophotometric unit (13)
Optical axis arranged in series；Described thick beacon/range finding Optical Transmit Unit (14) is arranged on the reflection direction of half-reflection and half-transmission unit (12)；
Described range finding light receiving unit (15) and thick beacon probe unit (16) be separately positioned on the reflection of spectrophotometric unit (13) with it is saturating
Penetrate direction, the thick beacon beam for receiving Jing after optical unit of looking in the distance (11), half-reflection and half-transmission unit (12), spectrophotometric unit (13), quilt
Range finding light receiving unit (15) is received with thick beacon probe unit (16), completes object ranging and rough tracking imaging；Described APT
Processing unit (17) produces control signal control tracking table (3) according to rough tracking imaging and rotates, and completes the rough tracking to target；
Described smart beacon beam transmitting/receive and polarization imaging detection subsystem (2) include looking in the distance optical unit (21), half anti-half
Saturating unit (22), polarization imaging unit (23), galvanometer unit (24), spectrophotometric unit (25), smart flashlight transmitter/receiver unit
(26) with Communication ray transmitter/receiver unit (27)；Described optical unit of looking in the distance (21), half-reflection and half-transmission unit (22) with polarize
As unit (23) with optical axis arranged in series, target light Jing look in the distance optical unit (21), half-reflection and half-transmission unit (22) transmission, polarization
It is imaged on image-generating unit (23)；Described galvanometer unit (24) is with spectrophotometric unit (25) with optical axis arranged in series, galvanometer unit
(24) reflection direction of half-reflection and half-transmission unit (22) is arranged on spectrophotometric unit (25)；Described smart flashlight transmitting/receive single
First (26) are separately positioned on reflection and the transmission direction of spectrophotometric unit (25) with Communication ray transmitter/receiver unit (27)；Described
The smart flashlight of smart flashlight transmitter/receiver unit (26) transmitting incides half-reflection and half-transmission unit through galvanometer unit (24) reflection
(22) optical unit of looking in the distance (21) is incided in, Jing half-reflection and half-transmissions unit (22) reflection, and Jing looks in the distance optical unit (21) outgoing, together
When, the smart flashlight Jing of objective emission looks in the distance optical unit (21), half-reflection and half-transmission unit (22), galvanometer unit (24), light splitting list
Received by smart flashlight transmitter/receiver unit (26) after first (25), control signal control is produced according to the smart beacon imaging for receiving
Galvanometer unit (24) is rotated, and completes the essence tracking to target.
2. according to claim 1 while laser ranging and polarization imaging and laser communication integral system, its feature exists
In：Described thick beacon beam and range finding light transmitting/receiving subsystem (1) are divided using narrow band pass filter when two-way communication is found range
Light, realizes that range finding light is separated with beacon beam.
3. according to claim 1 while laser ranging and polarization imaging and laser communication integral system, its feature exists
In：Described Communication ray transmitter/receiver unit (27) is launched, reception flashlight is communicated.
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| CN201510028216.3A CN104639235B (en) | 2015-01-20 | 2015-01-20 | Integrated system with simultaneous laser ranging, polarization imaging and laser communication |
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| CN201510028216.3A CN104639235B (en) | 2015-01-20 | 2015-01-20 | Integrated system with simultaneous laser ranging, polarization imaging and laser communication |
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| CN104639235B true CN104639235B (en) | 2017-03-22 |
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| CN112350775A (en) * | 2019-08-06 | 2021-02-09 | 中车株洲电力机车研究所有限公司 | FSO communication system and method based on machine vision |
| CN111162903B (en) * | 2020-01-22 | 2024-03-15 | 广东尤科泊得科技发展有限公司 | Free space quantum key distribution system and method for aircraft |
| CN115248437A (en) * | 2021-04-26 | 2022-10-28 | 华为技术有限公司 | Laser radar |
| CN113794520B (en) * | 2021-08-17 | 2023-01-31 | 长春理工大学 | Miniaturized unmanned aerial vehicle laser communication device |
| CN113702989A (en) * | 2021-09-03 | 2021-11-26 | 四川九洲电器集团有限责任公司 | Laser ranging and querying integrated target identification method and device |
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