CN106959162B - A kind of field spectroradiometer holds measuring device and its measurement method - Google Patents
A kind of field spectroradiometer holds measuring device and its measurement method Download PDFInfo
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- CN106959162B CN106959162B CN201710318492.2A CN201710318492A CN106959162B CN 106959162 B CN106959162 B CN 106959162B CN 201710318492 A CN201710318492 A CN 201710318492A CN 106959162 B CN106959162 B CN 106959162B
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- 238000000691 measurement method Methods 0.000 title claims abstract description 7
- 239000000523 sample Substances 0.000 claims abstract description 39
- 238000005259 measurement Methods 0.000 claims abstract description 34
- 230000002742 anti-folding effect Effects 0.000 claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims 1
- 235000011613 Pinus brutia Nutrition 0.000 claims 1
- 241000018646 Pinus brutia Species 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 239000013307 optical fiber Substances 0.000 description 7
- 230000003595 spectral effect Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 229920003023 plastic Polymers 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004441 surface measurement Methods 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
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
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
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Abstract
It includes handle, the body of rod, (gun-shaped) probe fixing device to hold measuring device and its measurement method, device the invention discloses a kind of field spectroradiometer, and body of rod one end is fixed on the front of handle, and probe fixing device is fixed on the other end of the body of rod；The body of rod is telescopic rod, and inner hollow is for placement field spectroradiometer bare fibre；Probe fixing device includes two gun shaped handles, and fibre-optical probe is fixed on gun shaped handle front end when measurement, and gun shaped handle is compared to the body of rod in the adjustable angle of vertical direction, and the angle is shown by goniometer measuring device；Handle is equipped with the horizontal bubble instrument of a horizontality for adjusting measuring rod in measurement process, and handle and gun shaped handle end are equipped with anti-folding solenoid.The present invention can make more convenient, the quick, specification of field measurement work of field spectroradiometer improve the quality of measurement data to reduce manpower.
Description
Technical field
The present invention relates to field spectroradiometer subsidiary equipment research field, more particularly to a kind of field spectroradiometer is hand-held to be surveyed
Device and its measurement method are measured, two fibre-optical probes can be installed, and specification angle measures.
Background technology
The measuring device that field spectroradiometer is equipped at present is as shown in Figure 1, include gun-shaped handle body, fibre-optical probe, the survey
There is more and disadvantage when in use in amount device.In most cases, when carrying out water surface spectral measurement, experimental situation is all
It aboard ship carries out, according to specifications of surveys, is utilizingDual RS binary channels series field spectroradiometers carry out the water surface
When spectra collection, the influence for avoiding shadow of object and water surface foreign matter as far as possible is needed, and needs to utilize two fibre-optical probes point
Data acquisition is not carried out to the water surface and sky not simultaneously, need to be measured according to certain geometric angle between two probes.It surveys herein
Existing this kind of device of gun-shaped handle shows following disadvantage under the conditions of amount：1) gun-shaped handle is too short can not be by measuring probe as far as possible
Stretching outboard to prevent the influence of water colourless foam, hull itself and its shade；2) at least two people is needed to coordinate just when measuring
It can be tested (two handles of control and computer)；3) do not allow when being carried out at the same time the water surface and the acquisition of sky data using two probes
Easily observation angle is controlled, and survey crew is needed to have certain observation knowledge, manpower demand is big and experimental technology
It is required that high.
In addition, due to the limitation of survey crew's height, the gun-shaped handle shrub etc. relatively high to height can not be utilized
Vegetation carries out the spectral measurement of canopy, and can not avoid the pollution of survey crew and its shade as far as possible.
Accordingly, it is desirable to provide a kind of field spectroradiometer holds measuring device and its measurement method, two optical fiber can be installed and visited
Head and can free adjusting rod body length and pop one's head in orientation angle.
Invention content
The shortcomings that it is a primary object of the present invention to overcome the prior art and deficiency provide a kind of hand-held survey of field spectroradiometer
Device is measured, which can install two fibre-optical probes simultaneously, can freely adjust pole length and head angle, easy to operate.
It is another object of the present invention to provide a kind of measurement sides holding measuring device based on above-mentioned field spectroradiometer
Method, this method are measured using two fibre-optical probes simultaneously, have the advantages that specifications of surveys, easily and fast.
The purpose of the present invention is realized by the following technical solution：A kind of hand-held measuring device of field spectroradiometer, including hand
Handle, the body of rod, probe fixing device, body of rod one end are fixed on the front of handle, and probe fixing device is fixed on the other end of the body of rod；
The body of rod is telescopic rod, and inner hollow is for placement field spectroradiometer bare fibre；Probe fixing device includes two gun shaped hands
Handle, fibre-optical probe is fixed on gun shaped handle front end when measurement, gun shaped handle compared to the body of rod vertical direction adjustable angle, and
The angle is shown by goniometer measuring device；Handle is equipped with a horizontality for adjusting measuring rod in measurement process
Horizontal bubble instrument, handle end are equipped with the anti-folding solenoid for preventing fiber kinks.
Preferably, in the body of rod top one section both sides, respectively there are one oval apertures.For fibre-optical probe from bar
It stretches out in vivo.
Further, it is set there are one rubber stopper in the body of rod top one section, rubber stopper top is solid cylindrical knot
Structure, lower part are in monosymmetric wedge-like structure, and the shape of wedge-like structure is corresponding with oval aperture.Using the wedge-like structure,
The convenient guiding optical cable when installing two optical fiber stretches out the body of rod from oval aperture, while squeezing (rubber bullet by rotation rubber plug
Property squeeze, can prevent from damaging optical fiber by pressure) optical fiber can play the role of it is fixed.
Specifically, the anti-folding solenoid is in coniform, it is conical bottom by near handle end, is threadably secured to hand
On handle.So as to prevent optical fiber wide-angle in measurement process from bending.
Preferably, the probe fixing device is fixed on the front end of the section of body of rod top one, the lock by a locking device
Tight device includes two semicircle retainer plates, and top, the lower section of each retainer plate are equipped with protrusion, and two semicircle retainer plates are logical
It crosses screw above-mentioned protrusion is fixed, fixed trap is made to be connected on the periphery of the section of body of rod top one；The side of each retainer plate
It is equipped with column, goniometer measuring device and gun shaped handle are fixed on the column, and goniometer measuring device is non-rotatable on column, gun shaped
Handle is rotatable.So as to set and check gun shaped handle and measure the angle between club shaft.
Preferably, the gun shaped handle includes gun shaped handle body and the rotation being arranged in gun shaped handle body control
Device, rotating control assembly include elastic button, hold-down mechanism, spring and occlusion gear, and the hold-down mechanism is inverted T shaped knot
Structure, upper end and elastic button connects, elastic button are used for upper and lower position of the regulation hold-down mechanism in gun shaped handle body, compress
Mechanism lower end is circular arc toothed edge, is engaged with occlusion gear when fixed；Spring one end is fixed on gun shaped handle body internal chamber wall
On, the other end is fixed on hold-down mechanism.
Further, the tail portion of the gun shaped handle is equipped with anti-folding rubber ring.Also for preventing fiber kinks.
Further, the top of the gun shaped handle is equipped with installation end, which is equipped with measures for installing
The screw thread of camera lens.So as to fix the measurement camera lens of different field angle angles as needed.
Further, gun shaped handle body bottom is equipped with sight vane.To check rotation angle.
A kind of measurement method holding measuring device based on above-mentioned field spectroradiometer, step are：
(1) fibre-optical probe of field spectroradiometer is separately fixed to the front end of two gun shaped handles；
(2) body of rod is retracted to predetermined length, and two gun shaped handles is rotated down 90 degree by horizontality, control
The body of rod is horizontal, vertical measurement reference plate reflected energy；
(3) one of gun shaped handle is rotated up 45 degree by level, another gun shaped handle is by horizontal direction backspin
Turn 45 degree, the body of rod extended, within the scope of 45 degree of sun or so, keep body of rod level and stretch out outboard progress skylight and
The measurement of water-reflected energy；
(4) second of measurement that step (1) carries out reference plate reflected energy is repeated, measurement terminates.
Compared with prior art, the present invention having the following advantages that and advantageous effect：
1, the body of rod is telescopic rod in the present invention, can as needed certainly when being measured in the wild using field spectroradiometer
Pole length is measured by adjusting, can guarantee probe best measurement position.For example, when carrying out boat-carrying surface measurement, measurement can be adjusted
Pole length makes probe stretch out outboard as far as possible, can prevent the shadow for the water surface foam that hull and its shade and hull evoke
It rings；It can also be obtained more by adjusting length and the head angle of measuring rod to raise probe height when carrying out land spectral measurement
Uniform earth's surface spectra collection (or facilitate and carry out the relatively high plant spectra collection of canopy height) simultaneously avoids human body simultaneously
The influence of shade.
2, the present invention can install two fibre-optical probes, can installDual RS binary channels series or
FieldSpec4 single-aisle series field spectroradiometers, it is easy to operate, it is equipped with goniometer measuring device and body of rod level controls bubble instrument, hold
Probe measurement angle and body of rod horizontality easy to control, make field spectroradiometer field measurement work it is more convenient, quick, rule
Model, it is only necessary to which a people can meet field measurement experiment.
Description of the drawings
Fig. 1 is the structural schematic diagram of measuring device in the prior art.
Fig. 2 is the structural schematic diagram that measuring device is held described in the present embodiment.
Fig. 3 is the main body schematic diagram of the present embodiment handle and the body of rod.
Fig. 4 is the structural schematic diagram of the present embodiment rubber stopper, wherein (a) is front view, it is (b) vertical view.
Fig. 5 is the vertical view of the present embodiment horizontal bubble instrument.
Fig. 6 is body of rod first-half length schematic diagram in Fig. 3.
Fig. 7 is the present embodiment probe fixing device overall structure diagram.
Fig. 8 is the structural schematic diagram of locking device in probe fixing device.
Fig. 9 is dial front enlarged drawing in the present embodiment goniometer measuring device.
Figure 10 is the perspective view of Fig. 7.
In figure：1-gun-shaped handle, 11-horizontal bubble instrument, 111-bubbles, 112-graduation marks, 12-anti-folding solenoids；
Hole, 22-rubber stoppers are stretched out in the 2-bodies of rod, 21-；3-probe fixing devices, 311-protrusions, 312-columns, 32-goniometers
Measuring device, 331-gun shaped handle bodies, 3321-elastic buttons, 3322-hold-down mechanisms, 3323-springs, 3324-tooth engageds
Wheel, 333-anti-folding rubber rings, 334-installation ends, 335-sight vanes.
Specific implementation mode
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
Embodiment 1
As shown in figs. 2-10, a kind of field spectroradiometer of the present embodiment holds measuring device, specifically includes with lower component：
One, handle 1.
Referring to Fig. 3-6, structure is similar with traditional gun-shaped handle, but one end far from probe fixing device 3 on handle 1
Equipped with anti-folding solenoid 12, for preventing fiber kinks.The anti-folding solenoid 12 is in coniform, is circular cone close to gun-shaped handle end
Bottom is threadingly fixed on handle end, and handle is hollow, and field spectroradiometer optical fiber is placed in inside.
Referring also to Fig. 3,5 are equipped with a cylindrical horizontal bubble instrument 11 in the side for being parallel to handle, and Fig. 5 is horizontal bubble
The vertical view of instrument, 111 indicate bubbles in figure, and 112 indicate graduation marks.
Two, the body of rod.
Referring to Fig. 3,6,2 one end of the body of rod is fixed on the front of handle 1, and the other end is internal for fixing probe fixing device 3
It is hollow for place field spectroradiometer bare fibre.The body of rod 2 is scalable round bar, includes 6 sections altogether, wherein a section handle, in addition 5
Often section spread length is 20cm to section, and Fig. 6 is the section expansion elongation schematic diagram of top two.Body of rod surface is all black, and material is plastics
Hard tube.It is designed with symmetrical two ellipses at one pitch top 3cm of top and stretches out hole 21, transverse prolongs body of rod direction.
Referring to Fig. 4 (a), (b), set there are one filling type rubber stopper 22 in the body of rod top one section, rubber stopper 22 pushes up
Portion is solid cylindrical structure, and lower part is in monosymmetric wedge-like structure, and the shape of wedge-like structure is corresponding with oval aperture.Position
It sets and is flushed with stretching 21 upper limb of hole at a, it is 7cm that the present embodiment, which designs 22 overall length of rubber stopper, and the slightly larger part of cock body top end diameter is high
0.5cm, it is in wedge-shaped, high 1.5cm to have 5cm high solid cylindricals, bottom part below.
Three, probe fixing device.
Referring to Fig. 7-10, the present embodiment probe fixing device 3 includes locking device, goniometer measuring device 32 and gun shaped handle.
Referring to Fig. 8, locking device is fixed on the front end of 2 top one of body of rod section, including two semicircle retainer plates, each
Top, the lower section of retainer plate are equipped with protrusion 311, and two semicircle retainer plates are fixed by screw by above-mentioned raised 311,
Fixed trap is set to be connected on the periphery of the section of body of rod top one.The side of each retainer plate is equipped with column 312, goniometer measuring device 32
It is each attached on the column (gun shaped handle is rotatable, and goniometer measuring device is non-rotatable) with gun shaped handle.
Referring to Fig. 9, the center hollow out of dial, is fixed on column 312 in goniometer measuring device 32.And it is threadably solid
Due to the bottom of column, do not rotated with the rotation of gun shaped handle.
Referring to Fig. 7,10, fibre-optical probe is fixed on gun shaped handle front end when measurement, and gun shaped handle includes gun shaped handle body
331, rotating control assembly, anti-folding rubber ring 333, installation end 334, sight vane 335.Rotating control assembly is arranged in gun shaped handle
In ontology, anti-folding rubber ring 333 is arranged in the tail portion of gun shaped handle.Installation end 334 is arranged on the top of gun shaped handle, and periphery is set
There is screw thread, as needed the measurement camera lens of fixed special angle.Sight vane is arranged in gun shaped handle body bottom.
Referring to Figure 10, gun shaped handle body 331 divides for gun barrel and handle portion, hollow in gun barrel, passes through for optical fiber, hand
Handle portion also is provided with cavity, and rotating control assembly is arranged in the cavity, including elastic button 3321, hold-down mechanism 3322, bullet
Spring 3323 and occlusion gear 3324, occlusion gear 3324 are screwed and cannot rotate.Hold-down mechanism 3322 is inverted T-type structure,
Upper end is connect with elastic button 3321, and lower end is circular arc toothed edge.3323 one end of spring is fixed on gun shaped handle body internal chamber wall
On, the other end is fixed on hold-down mechanism 3322.When fixed, spring pressurizes to hold-down mechanism, to make hold-down mechanism lower end
It is engaged with occlusion gear.When needing to rotate gun shaped handle, 3321 regulation hold-down mechanism of elastic button is in gun shaped handle
Intrinsic upper and lower position makes hold-down mechanism lower end be detached with occlusion gear.
The code requirement that water spectral measurement is carried out based on existing field spectroradiometer is using the present embodiment described device
When measuring, the specific method is as follows：
(1) fibre-optical probe of field spectroradiometer is separately fixed to the front end of two gun shaped handles；
(2) body of rod is retracted to predetermined length, and two gun shaped handles is rotated down 90 degree by horizontality, control
The body of rod is horizontal, vertical measurement reference plate reflected energy；
(3) one of gun shaped handle is rotated up 45 degree by level, another gun shaped handle is by horizontal direction backspin
Turn 45 degree, the body of rod extended, within the scope of 45 degree of sun or so, keep body of rod level and stretch out outboard progress skylight and
The measurement of water-reflected energy；
(4) second of measurement that step (1) carries out reference plate reflected energy is repeated, measurement terminates.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (9)
1. a kind of field spectroradiometer holds measuring device, which is characterized in that including handle, the body of rod, probe fixing device, the body of rod one
End is fixed on the front of handle, and probe fixing device is fixed on the other end of the body of rod；The body of rod is telescopic rod, inner hollow with
In placement field spectroradiometer bare fibre；Probe fixing device includes two gun shaped handles, and fibre-optical probe is fixed on gun shaped when measurement
Handle front end, gun shaped handle is compared to the body of rod in the adjustable angle of vertical direction, and the angle is shown by goniometer measuring device
Show；Handle is equipped with the horizontal bubble instrument of a horizontality for adjusting measuring rod in measurement process, and handle end is equipped with anti-
The only anti-folding solenoid of fiber kinks；
The gun shaped handle includes gun shaped handle body and the rotating control assembly that is arranged in gun shaped handle body, rotation control
Device processed includes elastic button, hold-down mechanism, spring and occlusion gear, and the hold-down mechanism is inverted T-type structure, upper end and pine
Tight button connects, elastic button are used for upper and lower position of the regulation hold-down mechanism in gun shaped handle body, and hold-down mechanism lower end is
Circular arc toothed edge engages when fixed with occlusion gear；Spring one end is fixed on gun shaped handle body internal chamber wall, and the other end is solid
It is scheduled on hold-down mechanism.
2. field spectroradiometer according to claim 1 holds measuring device, which is characterized in that in the body of rod top one
Saving both sides, respectively there are one ellipses to stretch out hole.
3. field spectroradiometer according to claim 2 holds measuring device, which is characterized in that in the body of rod top one
Section is set there are one rubber stopper, and rubber stopper top is solid cylindrical structure, and lower part is in monosymmetric wedge-like structure, wedge-like structure
Shape is corresponding with oval aperture.
4. field spectroradiometer according to claim 1 holds measuring device, which is characterized in that the anti-folding solenoid is in circle
Taper is conical bottom by near handle end, is threadably secured on handle.
5. field spectroradiometer according to claim 1 holds measuring device, which is characterized in that the probe fixing device is logical
The front end that a locking device is fixed on the section of body of rod top one is crossed, which includes two semicircle retainer plates, Mei Gegu
Surely top, the lower section enclosed are equipped with protrusion, and above-mentioned protrusion is fixed by screw for two semicircle retainer plates, makes retainer plate
It is socketed in the periphery of the section of body of rod top one；The side of each retainer plate is equipped with column, and goniometer measuring device and gun shaped handle are solid
It is scheduled on the column, goniometer measuring device is non-rotatable on column, and gun shaped handle is rotatable.
6. field spectroradiometer according to claim 1 holds measuring device, which is characterized in that the tail portion of the gun shaped handle
Equipped with anti-folding rubber ring.
7. field spectroradiometer according to claim 1 holds measuring device, which is characterized in that the top of the gun shaped handle
Equipped with installation end, which sets for installing the screw thread for measuring camera lens.
8. field spectroradiometer according to claim 1 holds measuring device, which is characterized in that gun shaped handle body bottom
Portion is equipped with sight vane.
9. a kind of measurement method being held measuring device based on any one of the claim 1-8 field spectroradiometers, feature are existed
In step is：
(1) fibre-optical probe of field spectroradiometer is separately fixed to the front end of two gun shaped handles；
(2) body of rod is retracted to predetermined length, and two gun shaped handles is rotated down 90 degree by horizontality, control the body of rod
Level, vertical measurement reference plate reflected energy；
(3) one of gun shaped handle is rotated up 45 degree by level, another gun shaped handle is rotated down 45 by level
Degree, the body of rod is extended, and within the scope of 45 degree of sun or so, is being kept the body of rod horizontal and is being stretched out outboard progress skylight and the water surface
The measurement of reflected energy；
(4) second of measurement that step (1) carries out reference plate reflected energy is repeated, measurement terminates.
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| CN201710318492.2A CN106959162B (en) | 2017-05-08 | 2017-05-08 | A kind of field spectroradiometer holds measuring device and its measurement method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108088819B (en) * | 2018-02-07 | 2020-08-18 | 中国科学院南海海洋研究所 | Hand-held type seabed bottom matter is spectral measurement appearance under water |
| CN110095417A (en) * | 2019-06-03 | 2019-08-06 | 贵州师范大学 | A kind of multi-functional water body high-spectral data assisted acquisition instrument and its operating method |
| CN110440717A (en) * | 2019-07-22 | 2019-11-12 | 东莞盛翔精密金属有限公司 | A kind of pistol type CCD measuring angle structure |
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| CN101706416A (en) * | 2009-11-25 | 2010-05-12 | 中国科学院对地观测与数字地球科学中心 | Portable multi-angle positioning device for measuring water leaving radiance |
| CN204007610U (en) * | 2013-11-30 | 2014-12-10 | 顾祝军 | Hand-held multi-angle spectral measurement device |
| CN105043545A (en) * | 2015-05-20 | 2015-11-11 | 武汉大学 | Water surface spectrum hand-held single-channel three-way automatic measuring apparatus and method |
| CN105651257A (en) * | 2016-02-26 | 2016-06-08 | 中国科学院遥感与数字地球研究所 | Simple positioning device for water-leaving radiation measurement |
| CN205483998U (en) * | 2016-03-28 | 2016-08-17 | 中国水产科学研究院南海水产研究所 | Measurement auxiliary device of water spectral measurement appearance probe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206740242U (en) * | 2017-05-08 | 2017-12-12 | 珠江水利委员会珠江水利科学研究院 | A kind of field spectroradiometer holds measurement apparatus |
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- 2017-05-08 CN CN201710318492.2A patent/CN106959162B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101706416A (en) * | 2009-11-25 | 2010-05-12 | 中国科学院对地观测与数字地球科学中心 | Portable multi-angle positioning device for measuring water leaving radiance |
| CN204007610U (en) * | 2013-11-30 | 2014-12-10 | 顾祝军 | Hand-held multi-angle spectral measurement device |
| CN105043545A (en) * | 2015-05-20 | 2015-11-11 | 武汉大学 | Water surface spectrum hand-held single-channel three-way automatic measuring apparatus and method |
| CN105651257A (en) * | 2016-02-26 | 2016-06-08 | 中国科学院遥感与数字地球研究所 | Simple positioning device for water-leaving radiation measurement |
| CN205483998U (en) * | 2016-03-28 | 2016-08-17 | 中国水产科学研究院南海水产研究所 | Measurement auxiliary device of water spectral measurement appearance probe |
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