CN206584044U - Latent imaging radar device is visited based on pulse bluish-green laser - Google Patents
Latent imaging radar device is visited based on pulse bluish-green laser Download PDFInfo
- Publication number
- CN206584044U CN206584044U CN201621018186.4U CN201621018186U CN206584044U CN 206584044 U CN206584044 U CN 206584044U CN 201621018186 U CN201621018186 U CN 201621018186U CN 206584044 U CN206584044 U CN 206584044U
- Authority
- CN
- China
- Prior art keywords
- bluish
- receiving device
- iccd
- schedule controller
- gate type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Abstract
Latent imaging radar device is visited based on pulse bluish-green laser the utility model discloses one kind, it includes bluish-green pulsed laser source, gate type photoelectric receiving device, high-precision time schedule controller, view synthesis machine, gate type photoelectric receiving device includes high-gain ICCD imagers, ICCD boosters, booster is switched, high-precision time schedule controller is embedded in gate type photoelectric receiving device, gate type photoelectric receiving device is connected with view synthesis machine, ICCD boosters are connected with booster switch, view synthesis machine connects bluish-green pulsed laser source, high-precision time schedule controller is connected with view synthesis machine, high-gain ICCD imagers are connected with high-precision time schedule controller.The utility model improves the positioning precision of submarine target, depth measurement ability, recognition capability, reduces volume, weight and power consumption.
Description
Technical field
The utility model is related to a kind of radar installations, more particularly to a kind of to visit latent imaging radar based on pulse bluish-green laser
Device.
Background technology
Increase with the speed of a ship or plane of submarine, the appearance of " quietness " submarine, the use of demagnetization technology and nonmagnetic ship shell material, respectively
The equipment of kind of acoustic countermeasure weapon, the disguise of submarine are further enhanced with maneuverability, for tackle enemy's submarine threat and
Solve the naval mine detection problem of threat one's own side's submarine safety, the new Underwater Target Detection means of naval of various countries more valuing researches.
When Duntley SQ and GIlbert GD et al. is studying propagation characteristic of the light wave in ocean, find seawater to 0.47~
Decay of the attenuation ratio of blue green light in 0.58 mu m waveband to other optical bands is much smaller, it was demonstrated that also have one in ocean
Similar to optical transmission window present in air.The geographical environment seashore line length of China, marine site are vast, continental shelf mining deposits is rich
Richness, offshore waters and harbour Its Adjacent Waters are potential contention battlefield, positioning precision, depth measurement energy in the urgent need to submarine target
Power, Underwater Targets Recognition ability be strong and bluish-green laser submarine target e measurement technology device of volume, weight and small power consumption.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of imaging radar of diving of being visited based on pulse bluish-green laser and filled
Put, which raises the positioning precision of submarine target, depth measurement ability, recognition capability, reduce volume, weight and power consumption, optimize
Marine survey technology.
The utility model is to solve above-mentioned technical problem by following technical proposals：One kind is based on pulse bluish-green laser
Visit latent imaging radar device, it is characterised in that when it includes bluish-green pulsed laser source, gate type photoelectric receiving device, high accuracy
Sequence controller, view synthesis machine, gate type photoelectric receiving device include high-gain ICCD imagers, ICCD boosters, increased
Strong device switch, high-precision time schedule controller is embedded in gate type photoelectric receiving device, gate type photoelectric receiving device and image
Real-time processor is connected, and ICCD boosters are connected with booster switch, and view synthesis machine connects bluish-green pulsed laser source, high
Precision time schedule controller is connected with view synthesis machine, and high-gain ICCD imagers are connected with high-precision time schedule controller.
Preferably, the bluish-green pulsed laser source uses ultra-narrow pulse width for 0.5ns~100ns bluish-green laser pulse
Laser.
Positive effect of the present utility model is：The utility model improves the positioning precision of submarine target, depth measurement
Ability, recognition capability, reduce volume, weight and power consumption, optimize marine survey technology.The utility model is bluish-green using ocean
Light wave transparent window, using the light source angle of divergence and detection viewing field matching technique；High-precision SECO and real-time video processing
Three key technologies, it is small to design and manufacture backscatterer noise jamming, bluish-green pulse laser and gate type photelectric receiver
Visit latent imaging radar device, it is adaptable to the exploration of the seawater hydrology, the locating fish, marine environmental pollution monitoring, underwater submarine detection, water
Many military and civil areas such as thunder detection.The utility model reduces influence of the medium scatters optical noise to target image, again
Pulse instantaneous power is improved, the detection range of laser imaging radar is improved.
Brief description of the drawings
Fig. 1 is structural representation when the utility model gate type photoelectric receiving device booster is closed
Fig. 2 is structural representation when the utility model gate type photoelectric receiving device booster is opened
Embodiment
The utility model preferred embodiment is provided below in conjunction with the accompanying drawings, to describe the technical solution of the utility model in detail.
As depicted in figs. 1 and 2, the utility model, which is based on the latent imaging radar device of pulse bluish-green laser spy, includes bluish-green pulse
Lasing light emitter, gate type photoelectric receiving device, high-precision time schedule controller, view synthesis machine, gate type photoelectric receiving device
Including high-gain ICCD (enhancing charge coupling device) imager, ICCD boosters, booster switch, high-precision time schedule controller
It is embedded in gate type photoelectric receiving device, gate type photoelectric receiving device is connected with view synthesis machine, ICCD boosters
It is connected with booster switch, view synthesis machine connects bluish-green pulsed laser source, and high-precision time schedule controller and image are real-time
Processor is connected, and high-gain ICCD imagers are connected with high-precision time schedule controller.
Operation principle of the present utility model is as follows：The utility model, which is that the pulse based on Range-gated Imager mode is bluish-green, to swash
Light visits latent imaging radar, and regulation optical transmitting system controls laser beam (angle of divergence) to be detected, according to search coverage away from
From the angle of visual field by the classification of high-precision sequential Timer Controlling gate type photelectric receiver, specific two kinds of pattern receiving optics
The region illuminated with it.
High-precision time schedule controller of the present utility model calculates timing using equation below (1)：
T=s/2c ... ... ... ... ... ... ... ... ... ... ... (1)
Wherein, t is timing, and s is region distance, and c is the light velocity.
When opening gate type photoelectric receiving device, high-gain ICCD imaging video images, using pulse laser, gate type light
Electric receiving device only just opens range gating door at the time of target reflecting light is returned and receives optical radiation signal, and at other
Between, the storbing gate of gate type photoelectric receiving device is closed, the region illuminated with it matches, and high-gain ICCD imagers are regarded
Frequency image sends microcomputer real time processed images information to by fieldbus, and real-time video processing handles and aligns height
The time setting of precision time schedule controller, realizes that intelligent time is set, completes the real-time processing three of Range-gated Imager detection
Key technology.
The bluish-green pulsed laser source uses ultra-narrow pulse width for 0.5ns~100ns bluish-green laser pulse laser, carries
High impulse instantaneous power, improves the detection range of laser imaging radar.
High-precision time schedule controller directly controls the opening and closing that booster is switched.High-precision time schedule controller connection is big
Power high repeat frequency pulsed laser light source, control and reception LASER Light Source information, and be connected with view synthesis machine, receive
The time setting of view synthesis machine.Device characteristic, using ultra-narrow pulse width 0.5ns~100ns pulse laser lightings, is adopted
With target range position gating, electron waves exposure gate time 0.5ns~100ns synchronous control techniques, eliminate laser and passed in medium
The serious back scattering interference formed during defeated；Light impulse length is narrower, in target coordinate position after medium is formed
Smaller to scattering object noise jamming, maximum possible reduces the backscatterer noise jamming that medium is formed, and backscatterer is miscellaneous
Wave interference intensity is directly proportional to light impulse length, so that the positioning precision of submarine target, depth measurement ability, recognition capability are improved,
Volume, weight and power consumption are reduced, marine survey technology is optimized.
High-precision time schedule controller constitutes intelligence node, is gated, is adjusted by view synthesis machine using target range position
The time setting of positive high accuracy time schedule controller.High-precision time schedule controller connection control and reception LASER Light Source information.Image
Real-time processor is connected with a microcomputer, and view synthesis machine is to image real time transfer.View synthesis machine can
Operation is remotely controlled to equipment such as radar data processing, and with automatic failure alarm.
The utility model utilizes ocean blue green light wave transparent window, using pulse laser lighting, gate type photoelectric receiving device
Range gating door is just only opened at the time of target reflecting light is returned and receives optical radiation signal, and in other times, gate type light
The storbing gate of electric receiving device is closed, and the region illuminated with it matches, and filters out the rear orientation light spoke of medium before and after target
Penetrate, so as to greatly reduce influence of the medium scatters optical noise to target image, improve the detection range of laser imaging radar.This reality
With it is new be particularly suitable for use in the seawater hydrology survey (including the mapping of shallow water depth, submarine geomorphy, the remote measurement of seawater optical parametric etc.),
Many military and civil areas such as underwater submarine detection, naval mine detection, the locating fish, marine environmental pollution monitoring.
In summary, the utility model can filter out the back scattering light radiation of medium before and after target, so as to greatly reduce
Influence of the medium scatters optical noise to target image, can improve pulse instantaneous power again, improve the detection of laser imaging radar
Distance.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on substantive content of the present utility model.
Claims (1)
1. one kind visits latent imaging radar device based on pulse bluish-green laser, it is characterised in that it includes bluish-green pulsed laser source, choosing
Flow-through photoelectric receiving device, high-precision time schedule controller, view synthesis machine, gate type photoelectric receiving device include high-gain
ICCD imagers, ICCD boosters, booster switch, high-precision time schedule controller are embedded in gate type photoelectric receiving device,
Gate type photoelectric receiving device is connected with view synthesis machine, and ICCD boosters are connected with booster switch, and image is located in real time
Reason machine connects bluish-green pulsed laser source, and high-precision time schedule controller is connected with view synthesis machine, high-gain ICCD imagers
It is connected with high-precision time schedule controller；The bluish-green pulsed laser source uses ultra-narrow pulse width for the bluish-green of 0.5ns~100ns
Laser pulse laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621018186.4U CN206584044U (en) | 2016-08-31 | 2016-08-31 | Latent imaging radar device is visited based on pulse bluish-green laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621018186.4U CN206584044U (en) | 2016-08-31 | 2016-08-31 | Latent imaging radar device is visited based on pulse bluish-green laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206584044U true CN206584044U (en) | 2017-10-24 |
Family
ID=60108248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621018186.4U Active CN206584044U (en) | 2016-08-31 | 2016-08-31 | Latent imaging radar device is visited based on pulse bluish-green laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206584044U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226954A (en) * | 2017-12-28 | 2018-06-29 | 山东船舶技术研究院 | A kind of underwater scanning laser radar imaging method |
| CN110135299A (en) * | 2019-04-30 | 2019-08-16 | 中国地质大学（武汉） | A kind of single band bluish-green laser wave analyzing device and system for shallow water depth measurement |
-
2016
- 2016-08-31 CN CN201621018186.4U patent/CN206584044U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226954A (en) * | 2017-12-28 | 2018-06-29 | 山东船舶技术研究院 | A kind of underwater scanning laser radar imaging method |
| CN110135299A (en) * | 2019-04-30 | 2019-08-16 | 中国地质大学（武汉） | A kind of single band bluish-green laser wave analyzing device and system for shallow water depth measurement |
| CN110135299B (en) * | 2019-04-30 | 2021-07-16 | 中国地质大学（武汉） | Single-waveband blue-green laser waveform analysis method and system for shallow water sounding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11467269B2 (en) | Laser detection and ranging device for detecting an object under a water surface | |
| US7773204B1 (en) | Apparatus and method for spatial encoding of a search space | |
| JP6576340B2 (en) | Detection system to detect water surface objects | |
| US5457639A (en) | Imaging lidar system for shallow and coastal water | |
| CN106019306A (en) | Underwater target detecting device based on ghost imaging calculation principle | |
| CN102736085B (en) | Image target seeking laser imaging distance measurement method and device | |
| US8144546B2 (en) | Method and apparatus for detection and classification of a swimming object | |
| CN101762817A (en) | Laser imaging based high-resolution method for detecting micro-scale wave of sea wave | |
| CN111505659B (en) | Underwater dehydration body noise calculation three-dimensional imaging method and imaging system | |
| CN206584044U (en) | Latent imaging radar device is visited based on pulse bluish-green laser | |
| Rovnakova et al. | UWB radar signal processing for through wall tracking of multiple moving targets | |
| Stefanick | The nonacoustic detection of submarines | |
| Steinvall et al. | 3D laser sensing at FOI: overview and a system perspective | |
| Steinvall et al. | Depth-sounding lidar: performance and models | |
| CN209311685U (en) | A kind of three wave band airborne laser radar systems | |
| Sweet et al. | Investigation into The RADAR Peformance for Smart Border Management | |
| Li | Research on Airborne Blue-green Laser Anti-submarine Technology | |
| Jin et al. | Research on coding method of underwater full range gated lidar | |
| Yu et al. | The current state of development in underwater lidar detection | |
| CN210166499U (en) | Photoelectric intelligent visual navigation radar | |
| CN117111088A (en) | Self-adaptive underwater fishing net detection device and method based on laser active illumination imaging | |
| Li et al. | Research on underwater explosive system based on airborne laser | |
| Gao et al. | Sonar imaging simulation in real-time obstacle avoidance algorithm for AUV based on creator/vega | |
| Li et al. | Research on Airborne LiDAR Bathymetry and Data Processing Algorithms | |
| Hafiza et al. | Advancement of Underwater Surveying and Scanning Techniques: A Review |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |