CN108489607A - Water body optical attenuation coefficient measuring device and method - Google Patents
Water body optical attenuation coefficient measuring device and method Download PDFInfo
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- CN108489607A CN108489607A CN201810244432.5A CN201810244432A CN108489607A CN 108489607 A CN108489607 A CN 108489607A CN 201810244432 A CN201810244432 A CN 201810244432A CN 108489607 A CN108489607 A CN 108489607A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 230000003287 optical effect Effects 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 230000005855 radiation Effects 0.000 claims abstract description 29
- 238000005259 measurement Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000005286 illumination Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 16
- 238000012360 testing method Methods 0.000 claims abstract description 11
- 230000006854 communication Effects 0.000 claims description 7
- 238000000691 measurement method Methods 0.000 claims description 5
- 230000000644 propagated effect Effects 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003384 imaging method Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 230000001902 propagating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 238000003911 water pollution Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/12—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using wholly visual means
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- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention discloses a kind of water body optical attenuation coefficient measuring device and methods, the device includes light source, detector, the mobile mechanism for connecting and driving the detector to move along light path with the detector and the central processing unit being connect with the detector, the detector is illumination photometer or power meter or single point detector or planar array detector or energy meter, and the size of the test surface of the detector is more than the size of the hot spot of required detection.The initial irradiance value of the light beam sent out first by detector measurement light source or initial single pulse energy magnitude or prompt radiation performance number or initial signal intensity value, then detector is driven to be moved along light path by mobile mechanism, measure the corresponding irradiance value of different distance or single pulse energy magnitude or radiation power value or initial signal intensity value, it is fitted for obtained multigroup measurement data, obtains the optical attenuation coefficient value of water body.The configuration of the present invention is simple, of low cost, easy to use, effect is reliable, and accuracy is high.
Description
Technical field
The present invention relates to underwater optics field of detecting, and in particular to a kind of water body optical attenuation coefficient measuring device and side
Method.
Background technology
In recent years, the application of underwater optics detection is more and more extensive, including water pollution detection, laser acquisition etc., and shows
Some underwater optics imaging devices do not have general performance indicator and standard, i.e., different imaging devices is under different water conditions
There is no relevance between obtained the farest imaging range result.Currently, weighing Underwater Imaging under the general varying environment of academia
The performance parameter of distance is described using optical attenuation coefficient and its multiple, however since water body is very to the absorption and scattering of light
Complicated physical process, the accurate attenuation coefficient for measuring water body are extremely difficult.Generally use instrument observes light energy in the world
Decaying in water, with determine its attenuation coefficient to light, as Wetlabs produce AC series attenuation coefficient measuring instruments, however
The price of the product reaches millions of, is not particularly suited for business application.
Therefore it provides one kind is at low cost, easy to use, it is not only non-to measure accurate water body optical attenuation coefficient measuring device
The often important link in necessary and underwater optics Detection Techniques evolution.
Invention content
The present invention is directed to problems of the prior art, provides a kind of water at low cost, easy to use, accuracy is high
Bulk optics attenuation coefficient measuring device and method.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of water body optical attenuation coefficient measuring device,
Including light source, detector, the mobile mechanism for connecting and driving the detector to move along light path with the detector and with institute
The central processing unit of detector connection is stated, the detector is illumination photometer or power meter or energy meter or single point detector or face battle array
Detector, the size of the test surface of the detector are more than the size of the hot spot of required detection.
Further, the light source is continuous radiant or light-pulse generator, and the light source is filtered along light path rear equipped with narrowband
Mating plate.
Further, the light source is light-pulse generator, and the detector is energy meter.
Further, the detector is illumination photometer or power meter or energy meter, the light source and the illumination photometer or work(
Spot-size detection unit, the spot-size detection unit and the illumination photometer or power meter are equipped between rate meter or energy meter
Or iris diaphgram is additionally provided between energy meter, the spot-size detection unit and iris diaphgram respectively with mobile mechanism and center
Processor connects.
Further, the spot-size detection unit includes the optical splitter and corresponding with the optical splitter being set in light path
Planar array detector.
Further, the detector is planar array detector, and being additionally provided between the light source and the planar array detector can
Become diaphragm.
Further, the detector is single point detector, and receipts are additionally provided between the light source and the single point detector
Electro-optical device, the bore for receiving electro-optical device are more than the size of hot spot.
The present invention also provides a kind of measurement methods of water body optical attenuation coefficient measuring device, include the following steps：
S1:The initial parameter information for the hot spot that detector measurement light source is sent out, the initial parameter information are initial irradiation level
Value or initial single pulse energy magnitude or prompt radiation performance number or initial signal intensity value；
S2:Mobile mechanism drives detector to move a distance along light path, measures the irradiance value or simple venation of respective distances
Energy value or radiation power value or signal strength values are rushed, and the measurement data is uploaded to central processing unit；
S3：It repeats step S2 several times, obtains no less than three groups of distances and irradiance value or energy value or radiation power value
Or the measurement data of signal strength values；
S4：Central processing unit for all distances and irradiance value or the measurement data of energy value or radiation power value into
Row fitting, obtains the attenuation factor value of current water body.
Further, communication process of the light beam that the light source is sent out in water body meets following equation：
Pl=P0e-αl；
Ml=M0e-αl；
Sl=S0e-αl；
When the light source is light-pulse generator, communication process of the light beam in water body also meets：El=E0e-αl；
Wherein P0For the prompt radiation performance number for the light beam that light source is sent out, l is distance, PlFor light beam propagation distance l in water
Corresponding radiation power value afterwards, α are attenuation coefficient；M0For the initial irradiance value for the light beam that light source is sent out, MlIn water for light beam
Corresponding irradiance value after propagation distance l；S0For the initial signal intensity value for the light beam that light source is sent out, SlLight beam is propagated in water
Corresponding signal strength values after distance l；E0For the initial single pulse energy magnitude for the light beam that light source is sent out, ElLight beam is propagated in water
Corresponding single pulse energy magnitude after distance l.
Further, in the step S2, when the size of the test surface of the detector is more than the size of hot spot, first
The size for measuring hot spot, then makes detector only detect the corresponding parameter information of hot spot.
Water body optical attenuation coefficient measuring device and method provided by the invention, the device include light source, detector and institute
State detector connection and the mobile mechanism for driving the detector to be moved along light path and the centre being connect with the detector
Manage device, the detector is illumination photometer or power meter or energy meter or single point detector or planar array detector, the detector
The size of test surface is more than the size of the hot spot of required detection.The initial spoke of the light beam sent out first by detector measurement light source
Brightness value or initial single pulse energy magnitude or prompt radiation performance number or initial signal intensity value, are then driven by mobile mechanism
Detector is moved along light path, measures the corresponding irradiance value of different distance or single pulse energy magnitude or radiation power value or initial letter
Number intensity value, is fitted for obtained multigroup measurement data, obtains the optical attenuation coefficient value of water body.Structure of the invention letter
Single, of low cost, easy to use, effect is reliable, and accuracy is high.
Description of the drawings
Fig. 1-3 is the structural schematic diagram of three specific embodiments of water body optical attenuation coefficient measuring device of the present invention respectively.
As shown in the figure：10, light source；20, detector；30, mobile mechanism；40, central processing unit；510, optical splitter；520、
Planar array detector；60, iris diaphgram；70, electro-optical device is received；80, spike filter.
Specific implementation mode
The present invention is described in detail below in conjunction with the accompanying drawings：
As shown in Figs. 1-3, a kind of water body optical attenuation coefficient measuring device provided by the invention, including light source 10, detection
Device 20, the mobile mechanism 30 for connecting and driving the detector 20 to move along light path with the detector 20 and with the detection
The central processing unit 40 that device 20 connects, the detector 20 are illumination photometer or power meter or energy meter or single point detector or face battle array
Detector, the size of the test surface of the detector 20 are more than the size of the hot spot of required detection.Preferably, the light source 10 is
Continuous radiant or light-pulse generator, the light source 10 are equipped with spike filter 80 along light path rear.Specifically, in order to accurately measure
Parameter information after the initial parameter information of hot spot and in water propagation certain distance, the size for the hot spot that light source 10 is sent out are little
In the size of the test surface of detector 20, and light source 10 uses high collimation light source, collimation to reach mrad magnitudes, close as possible
Directional light causes detection inaccurate in order to avoid propagating the test surface that facula area after certain distance is more than detector 20.Light source 10 is
When continuous light source, detector 20 can be illumination photometer or power meter or single point detector or planar array detector, and probe source 10 is sent out
The irradiation level or radiant power or signal strength of the hot spot gone out, the light beam sent out due to light source 10 is in water body below communication satisfaction
Rule：Pl=P0e-αlOr Ml=M0e-αlOr Sl=S0e-αl；Wherein P0For the prompt radiation performance number for the light beam that light source 10 is sent out, l
For distance, PlFor corresponding radiation power value after light beam in water propagation distance l, α is attenuation coefficient；M0It is sent out for light source 10
The initial irradiance value of light beam, MlFor corresponding irradiance value after light beam in water propagation distance l；S0The light sent out for light source 10
The initial signal intensity value of beam, SlLight beam corresponding signal strength values after propagation distance l in water；Therefore it selects above-mentioned any one
Item parameter information, by measuring the initial parameter value of information and the corresponding parameter information of at least three different distances, to obtain one
Then measured value is carried out the fitting of exponential function, you can obtain current water body by the vector of the vector sum distance of a probe value
Optical attenuation coefficient value, distance therein can be can also be equidistantly it is non-at equal intervals, in order to more accurately be fitted water outlet
The optical attenuation coefficient of body can increase measurement data, such as obtain the corresponding measurement data of 6 groups of different distances above.Certainly, it visits
Other instruments can also be used by surveying device 20, as long as the parameter information that the instrument measures meets rule when above-mentioned light beam is propagated in water
Rule.Further, since above-mentioned formula could be set up only for monochromatic light, therefore the light that light source 10 is sent out need to be monochromatic light,
Therefore light source 10 is monochromatic source, or spike filter 80 is arranged at 10 rear of light source, to meet monochromatic measurement item
Part ensures measurement accuracy.In the present embodiment, guide rail and driving mechanism may be used in mobile mechanism 30, and detector 20, which is installed on, leads
It on rail, and is moved along guide rail under the drive of driving mechanism, central processing unit 40 uses microcontroller, has storage, calculates, curve
The functions such as fitting.
Preferably, the light source 10 is light-pulse generator, and the detector 20 is energy meter, when light source 10 is light-pulse generator
When, the communication process of the light beam that sends out in water body also meets following formula：El=E0e-αl, wherein E0It is sent out for light source 10
The initial single pulse energy magnitude of light beam, ElLight beam corresponding single pulse energy magnitude after propagation distance l in water.
Please emphasis referring to Fig.1, the detector 20 is planar array detector, the light source 10 and the planar array detector 20 it
Between be additionally provided with iris diaphgram 60.Specifically, when detector 20 is planar array detector, the light hole of iris diaphgram 60 is set first
For maximum, the size of hot spot is measured by planar array detector, the light hole for then making iris diaphgram 60 is consistent with the size of hot spot,
The signal strength of hot spot is remeasured by planar array detector.
Please emphasis with reference to Fig. 2, the detector 20 is illumination photometer or power meter or energy meter, the light source 10 and the photograph
Spot-size detection unit, the spot-size detection unit and the illumination photometer are equipped between degree meter or power meter or energy meter
Or iris diaphgram 60 is additionally provided between power meter or energy meter, the spot-size detection unit and iris diaphgram 60 respectively with shifting
Motivation structure 30 and central processing unit 40 connect.Preferably, the spot-size detection unit includes the optical splitter being located in light path
510 and planar array detector corresponding with optical splitter 520.Specifically, if the size of the test surface of detector 20 is more than the ruler of hot spot
It is very little, then other scattering light are readily received, therefore, before the detection of detector 20, pass through spot-size detection unit pair first
The size of hot spot is detected, i.e., separates light beam by optical splitter 510 and project on planar array detector 520, pass through face
Array detector 520 detects the size of hot spot, and the data of measurement are uploaded to central processing unit 40, and control iris diaphgram 60 is led to
Unthreaded hole is consistent with the size of hot spot, to make detector 20 that can only detect the corresponding parameter information of hot spot, should will be divided at this time
Device 510 removes light path, in order to avoid influencing the detection accuracy of detector 20, further increases measurement result accuracy.Spot size
Probe unit and iris diaphgram 60 are connect with mobile mechanism 30, drive both synchronous with detector 20 by mobile mechanism 30
Movement.
Please emphasis with reference to Fig. 3, the detector 20 is single point detector, between the light source 10 and the single point detector
It is additionally provided with and receives electro-optical device 70, the bore for receiving electro-optical device 70 is more than the size of hot spot, for collecting whole hot spots, is convenient for single-point
Detector is detected.
The present invention also provides a kind of measurement methods of water body optical attenuation coefficient measuring device, include the following steps：
S1:Detector 20 measures the initial irradiance value or initial single pulse energy magnitude or initial for the light beam that light source 10 is sent out
Radiation power value or initial signal intensity value；Specifically, when light source 10 is continuous light source, its initial irradiance value can be measured
Or prompt radiation performance number or initial signal intensity value can measure its initial irradiance value when light source 10 is light-pulse generator
Or initially illumination photometer progress may be used in single pulse energy magnitude or prompt radiation performance number or initial signal intensity value, irradiance value
It measures, radiation power value may be used power meter and measure, and single point detector or face battle array detection may be used in signal strength values
Device measures, and wherein planar array detector can be CCD camera or CMOS cameras, and when being measured using planar array detector,
The matrix of the signal strength of a Two dimensional Distribution is obtained, integral is carried out to it and can be obtained final signal strength values.
S2:Mobile mechanism 30 drive detector 20 move a distance along light path, measure respective distances irradiance value or
Single pulse energy magnitude or radiation power value or signal strength values, and the measurement data is uploaded to central processing unit；Specifically, being
The test surface of detector 20 is avoided to be more than the size of hot spot, when influencing detection accuracy to receive other scattering light,
The size of hot spot can be measured first before detection, then change the light hole of iris diaphgram 60, to make detector 20 can only
The corresponding parameter information of hot spot is detected, detection accuracy is improved.
S3：It repeats step S2 several times, obtains no less than three groups of distances and irradiance value or energy value or radiation power value
Or the measurement data of signal strength values；Specifically, in mobile detector 20, can equidistantly move or non-equidistant shifting
It is dynamic.
S4：Measurement data of the central processing unit 40 for all distances and irradiance value or energy value or radiation power value
It carries out curve fitting, obtains the optical attenuation coefficient value of current water body.
Specifically, the light beam that sends out of light source 10 communication satisfaction P in water bodyl=P0e-αlOr Ml=M0e-αlOr Sl=S0e-αl；
Wherein P0For the prompt radiation performance number for the light beam that light source 10 is sent out, l is distance, PlIt is corresponding after light beam in water propagation distance l
Radiation power value, α is attenuation coefficient；M0For the initial irradiance value for the light beam that light source 10 is sent out, MlIt is propagated in water for light beam
Corresponding irradiance value after distance l；S0For the initial signal intensity value for the light beam that light source 10 is sent out, SlLight beam propagate in water away from
Signal strength values corresponding from after l；When light source 10 is light-pulse generator, the communication process of the light beam that sends out in water body is also full
Sufficient following formula：El=E0e-αl, wherein E0For the initial single pulse energy magnitude for the light beam that light source 10 is sent out, ElLight beam passes in water
Broadcast corresponding single pulse energy magnitude after distance l.Therefore above-mentioned any one parameter information is selected, by measuring initial parameter information
Parameter information corresponding at least three different distances, to obtain a probe value vector sum distance vector, then will
Measured value carries out the fitting of exponential function, you can obtains the attenuation factor value of current water body, distance therein can be equidistant
It can also be non-equidistant, in order to more accurately be fitted the optical attenuation coefficient of water-outlet body, measurement data can be increased, such as obtained
Take 6 groups and the corresponding measurement data of different distances above.
In conclusion water body optical attenuation coefficient measuring device provided by the invention and method, the device include light source 10,
Detector 20, the mobile mechanism 30 for connecting and driving the detector 20 to move along light path with the detector 20 and with it is described
The central processing unit 40 that detector 20 connects, the detector 20 be illumination photometer or power meter or energy meter or single point detector or
Planar array detector, the size of the test surface of the detector 20 are more than the size of the hot spot of required detection.Pass through detector first
The initial irradiance value or initial single pulse energy magnitude or prompt radiation performance number of the light beam that 20 measurement light sources are sent out or initial letter
Number intensity value then drives detector 20 to be moved along light path by mobile mechanism 30, measures the corresponding irradiance value of different distance
Or single pulse energy magnitude or radiation power value or initial signal intensity value, it is fitted, obtains for obtained multigroup measurement data
To the optical attenuation coefficient value of water body.The configuration of the present invention is simple, of low cost, easy to use, effect is reliable, and accuracy is high.
Although embodiments of the present invention are illustrated in specification, these embodiments are intended only as prompting,
It should not limit protection scope of the present invention.It is equal that various omission, substitution, and alteration are carried out without departing from the spirit and scope of the present invention
It should be included within the scope of the present invention.
Claims (10)
1. a kind of water body optical attenuation coefficient measuring device, which is characterized in that connect including light source, detector, with the detector
Connect and drive the mobile mechanism that the detector is moved along light path and the central processing unit being connect with the detector, the spy
It is illumination photometer or power meter or energy meter or single point detector or planar array detector, the size of the test surface of the detector to survey device
More than the size of the hot spot of required detection.
2. water body optical attenuation coefficient measuring device according to claim 1, which is characterized in that the light source is continuous light
Light source or light-pulse generator, the light source are equipped with spike filter along light path rear.
3. water body optical attenuation coefficient measuring device according to claim 2, which is characterized in that the light source is pulsed light
Source, the detector are energy meter.
4. water body optical attenuation coefficient measuring device according to claim 1, which is characterized in that the detector is illumination
Meter or power meter or energy meter, are equipped with spot-size detection list between the light source and the illumination photometer or power meter or energy meter
Member is additionally provided with iris diaphgram, the light between the spot-size detection unit and the illumination photometer or power meter or energy meter
Spot size probe unit and iris diaphgram are connect with mobile mechanism and central processing unit respectively.
5. water body optical attenuation coefficient measuring device according to claim 4, which is characterized in that the spot-size detection
Unit includes the optical splitter being set in light path and planar array detector corresponding with the optical splitter.
6. water body optical attenuation coefficient measuring device according to claim 1, which is characterized in that the detector is face battle array
Detector is additionally provided with iris diaphgram between the light source and the planar array detector.
7. water body optical attenuation coefficient measuring device according to claim 1, which is characterized in that the detector is single-point
Detector, is additionally provided with receipts electro-optical device between the light source and the single point detector, the bore for receiving electro-optical device is more than hot spot
Size.
8. the measurement method of water body optical attenuation coefficient measuring device according to claim 1, which is characterized in that including with
Lower step：
S1:The initial parameter information for the hot spot that detector measurement light source is sent out, the initial parameter information be initial irradiance value or
Initial single pulse energy magnitude or prompt radiation performance number or initial signal intensity value；
S2:Mobile mechanism drives detector to move a distance along light path, measures the irradiance value or single pulse energy of respective distances
Magnitude or radiation power value or signal strength values, and the measurement data is uploaded to central processing unit；
S3：It repeats step S2 several times, obtains no less than three groups of distances and irradiance value or energy value or radiation power value or letter
The measurement data of number intensity value；
S4：Central processing unit is intended for all distances and the measurement data of irradiance value or energy value or radiation power value
It closes, obtains the attenuation factor value of current water body.
9. measurement method according to claim 8, which is characterized in that propagation of the light beam that the light source is sent out in water body
Process meets following equation：
Pl=P0e-αl；
Ml=M0e-αl；
Sl=S0e-αl；
When the light source is light-pulse generator, communication process of the light beam in water body also meets：El=E0e-αl；
Wherein P0For the prompt radiation performance number for the light beam that light source is sent out, l is distance, PlIt is right after light beam in water propagation distance l
The radiation power value answered, α are attenuation coefficient；M0For the initial irradiance value for the light beam that light source is sent out, MlIt is propagated in water for light beam
Corresponding irradiance value after distance l；S0For the initial signal intensity value for the light beam that light source is sent out, SlLight beam propagation distance l in water
Corresponding signal strength values afterwards；E0For the initial single pulse energy magnitude for the light beam that light source is sent out, ElLight beam propagation distance l in water
Corresponding single pulse energy magnitude afterwards.
10. measurement method according to claim 8, which is characterized in that in the step S2, when the detection of the detector
When the size in face is more than the size of hot spot, the size of hot spot is measured first, detector is then made only to detect the corresponding parameter of hot spot
Information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810244432.5A CN108489607A (en) | 2018-03-23 | 2018-03-23 | Water body optical attenuation coefficient measuring device and method |
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|---|---|---|---|
| CN201810244432.5A CN108489607A (en) | 2018-03-23 | 2018-03-23 | Water body optical attenuation coefficient measuring device and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374552A (en) * | 2018-11-23 | 2019-02-22 | 国家海洋局第二海洋研究所 | A kind of water body absorption coefficient measuring device based on segmentation optical path |
| CN113466137A (en) * | 2021-06-23 | 2021-10-01 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Reflection mobile water body optical attenuation coefficient measuring device and method |
| CN115046943A (en) * | 2022-08-16 | 2022-09-13 | 水利部交通运输部国家能源局南京水利科学研究院 | Water quality detection method, device and system and storage medium |
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| CN107764519A (en) * | 2017-10-16 | 2018-03-06 | 中国科学院深海科学与工程研究所 | The attenuation Characteristics platform and system of light in a kind of deep-sea |
| CN208076024U (en) * | 2018-03-23 | 2018-11-09 | 苏州蛟视智能科技有限公司 | Water body optical attenuation coefficient measuring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107764519A (en) * | 2017-10-16 | 2018-03-06 | 中国科学院深海科学与工程研究所 | The attenuation Characteristics platform and system of light in a kind of deep-sea |
| CN208076024U (en) * | 2018-03-23 | 2018-11-09 | 苏州蛟视智能科技有限公司 | Water body optical attenuation coefficient measuring device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374552A (en) * | 2018-11-23 | 2019-02-22 | 国家海洋局第二海洋研究所 | A kind of water body absorption coefficient measuring device based on segmentation optical path |
| CN109374552B (en) * | 2018-11-23 | 2020-06-05 | 国家海洋局第二海洋研究所 | Water absorption coefficient measuring device based on segmented light path |
| CN113466137A (en) * | 2021-06-23 | 2021-10-01 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Reflection mobile water body optical attenuation coefficient measuring device and method |
| CN113466137B (en) * | 2021-06-23 | 2023-05-16 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Reflection mobile type water body optical attenuation coefficient measuring device and method |
| CN115046943A (en) * | 2022-08-16 | 2022-09-13 | 水利部交通运输部国家能源局南京水利科学研究院 | Water quality detection method, device and system and storage medium |
| CN115046943B (en) * | 2022-08-16 | 2022-10-25 | 水利部交通运输部国家能源局南京水利科学研究院 | A water quality detection method, device, system and storage medium |
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