CN105509900A - Infrared radiometer response curve calibration device and method - Google Patents
Infrared radiometer response curve calibration device and method Download PDFInfo
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- CN105509900A CN105509900A CN201610079578.XA CN201610079578A CN105509900A CN 105509900 A CN105509900 A CN 105509900A CN 201610079578 A CN201610079578 A CN 201610079578A CN 105509900 A CN105509900 A CN 105509900A
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- 230000004044 response Effects 0.000 title claims abstract description 47
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- 230000005855 radiation Effects 0.000 claims abstract description 59
- 239000011159 matrix material Substances 0.000 claims description 50
- 238000001228 spectrum Methods 0.000 claims description 29
- 238000005259 measurement Methods 0.000 claims description 27
- 230000003595 spectral effect Effects 0.000 claims description 21
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 description 5
- 230000005457 Black-body radiation Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000011088 calibration curve Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000013213 extrapolation Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
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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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
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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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/80—Calibration
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Abstract
The embodiment of the invention provides an infrared radiometer response curve calibration device and method. The problem that instrument low-end response calibration can not be well conducted in the prior art is solved. The infrared radiometer response curve calibration device is used for an infrared radiometer. The infrared radiometer comprises a lens barrel. The device comprises a support, a reflector, a black body and a diaphragm. One end of the support is installed on the lens barrel, and the other end of the support is connected with the reflector; the black body is arranged at the portion adjacent to the infrared radiometer; the diaphragm is arranged between the black body and the reflector, and radiation light of the black body is emitted to the reflector through the diaphragm and is reflected through the reflector to enter the lens barrel. By means of the infrared radiometer response curve calibration device and method, instrument low-end response calibration can be achieved, implementation is convenient, and application and popularization are easy.
Description
Technical field
The present invention relates to calibration technique field, in particular to a kind of infrared radiometer response curve caliberating device and method.
Background technology
Infrared radiation demarcation is key one ring in infrared radiation measurement, directly affects infrared radiation measurement precision.At present, the heavy caliber infrared radiometer of line usually uses directly or by the measurement of parallel light tube to the standard blackbody of different temperatures, realizes the demarcation of instrument response.
Heavy caliber infrared radiometer is in the radiation intensity response curve part lower than environment temperature, the response curve linear extrapolation that usual use higher temperature blackbody radiation is demarcated obtains, for infrared radiometer, usually low side and the high-end response curve linearity bad, this interval internal linear extrapolation can bring comparatively big error, and in actual measurement, normally on high background detects target, namely just require to carry out accurate actinometry to the radiation of a little higher than sky background, so the response of equipment low side is demarcated more seem especially important.
Due to heavy caliber black matrix and parallel light tube cost higher, particularly lower than the low temperature black matrix of environment temperature work, the heating and cooling time is long, and service condition is harsh, and line exists many restrictions, can not solve instrument low side response problem of calibrating very well.
Summary of the invention
In view of this, the object of the embodiment of the present invention is to provide a kind of infrared radiometer response curve caliberating device and method, to improve the problem that demarcation mode of the prior art can not solve instrument low side response demarcation very well.
To achieve these goals, the technical scheme of embodiment of the present invention employing is as follows:
First aspect, embodiments provides one and is applied to infrared radiometer, and described infrared radiometer comprises lens barrel, and described device comprises support, catoptron, black matrix and diaphragm;
Described support one end is installed on described lens barrel, the other end is connected with described catoptron, and described black matrix is located at and described infrared radiometer adjacent position;
Described diaphragm is located between described black matrix and described catoptron, and the radiant light of described black matrix is through catoptron described in described diaphragm directive and enter in described lens barrel after the reflection of described catoptron.
In conjunction with first aspect, embodiments provide the first possible embodiment of first aspect, wherein, described catoptron is flexibly connected with described support, and described catoptron can along described support adjustment angle.
In conjunction with first aspect, or the first possible embodiment of first aspect, embodiments provide the embodiment that the second of first aspect is possible, wherein, described catoptron and described support be detachable to be connected or described support is connected with described lens barrel is detachable.
In conjunction with the embodiment that the second of first aspect is possible, embodiments provide the third possible embodiment of first aspect, wherein, described black matrix is high temperature blackbody.
In conjunction with the embodiment that the second of first aspect is possible, embodiments provide the 4th kind of possible embodiment of first aspect, wherein, described catoptron is small-bore plane completely reflecting mirror or small-bore curved face total reflection mirror.
Second aspect, embodiments provide a kind of infrared radiometer response curve calibration method based, be applied to infrared radiometer response curve caliberating device, described application of installation is in infrared radiometer, described infrared radiometer comprises lens barrel, and described device comprises support, catoptron, black matrix and diaphragm; Described support one end is installed on described lens barrel, the other end is connected with described catoptron, and described black matrix is located at and described infrared radiometer adjacent position; Described diaphragm is located between described black matrix and described catoptron, and the radiant light of described black matrix is through catoptron described in described diaphragm directive and enter in described lens barrel after the reflection of described catoptron, and described method comprises:
Adjust the operating angle of described catoptron and described black matrix, fix described catoptron and described black matrix when described infrared radiometer aims at described black matrix;
Adjust described diaphragm clear field S, when to be recorded in described blackbody temperature be T1, the measurement data y of the described infrared radiometer that different clear field S is corresponding respectively, obtains the synchronized relation between described diaphragm clear field S and the measurement data y of described infrared radiometer when described blackbody temperature is T1;
According to the synchronized relation between described diaphragm clear field S and the measurement data y of described infrared radiometer, draw the y-S relation curve between described diaphragm clear field S and the measurement data y of described infrared radiometer.
In conjunction with second aspect, embodiments provide the first possible embodiment of second aspect, wherein, described catoptron and described support be detachable to be connected or described support is connected with described lens barrel is detachable, and described method also comprises:
Adjust described catoptron or described backing positions, make described infrared radiometer point to the uniform sky of background, when record points to described sky, the orientation angle a of described infrared radiometer and measurement data y`;
Use spectral radiometer under orientation angle a with the same sky of described infrared radiometer synchro measure, obtain standard spectrum radiation data h1, the spectral measurement ranges of described spectral radiometer is greater than the spectral response range of described infrared radiometer;
Described y-S relation curve marks described standard spectrum radiation data h1.
In conjunction with the first possible embodiment of second aspect, embodiments provide the embodiment that the second of second aspect is possible, wherein, described method also comprises:
Use described spectral radiometer under orientation angle a with another same sky of described infrared radiometer synchro measure, obtain standard spectrum radiation data h2; Described y-S relation curve marks described standard spectrum radiation data h2.
In conjunction with the embodiment that the second of second aspect is possible, embodiments provide the third possible embodiment of second aspect, wherein, describedly on described y-S relation curve, mark described standard spectrum radiation data h1, comprising:
According to the described standard spectrum radiation data h1 of acquisition and the spectral response range of described infrared radiometer, obtain the equivalent radiated power intensity H1 of described standard spectrum radiation data h1;
The transverse axis of the corresponding y value of described y-S relation curve marks H1 numerical value;
Describedly on described y-S relation curve, mark described standard spectrum radiation data h2, comprising:
According to the described standard spectrum radiation data h2 of acquisition and the spectral response range of described infrared radiometer, obtain the equivalent radiated power intensity H2 of described standard spectrum radiation data h2;
The transverse axis of the corresponding y value of described y-S relation curve marks H2 numerical value.
In conjunction with the third possible embodiment of second aspect, embodiments provide the 4th kind of possible embodiment of second aspect, wherein, described method also comprises, according to described equivalent radiated power intensity H1 and the described equivalent radiated power intensity H2 of mark, obtain the corresponding relation of radiation intensity H and clear field S, the horizontal ordinate of described y-S relation curve is rewritten into radiation intensity unit.
The infrared radiometer response curve caliberating device provided in the embodiment of the present invention and method, abandon in prior art the design limitation adopting heavy caliber black matrix and parallel light tube as caliberating device, dexterously diaphragm is set between black matrix and catoptron, the measurement data y of different clear field S infrared radiometer corresponding is respectively obtained by adjustment diaphragm clear field S, obtain y-S relation curve, there is provided basis for realizing demarcation, it is convenient to implement, and designs ingenious.
Further, the infrared radiometer response curve caliberating device provided in the embodiment of the present invention and method, can using sky background time fine as the minimum radiation source of infrared intensity, utilize the low background radiation of zenith, instrumental optics camera lens is pointed to zenith, small-bore optical total-reflection mirror is adopted to introduce high temperature blackbody radiation, be superimposed on sky background, employing light adjusting type standardization (application number 201410528350.5) change black matrix incides the radiant quantity in infrared radiometer, thus the response curve drawn out close to sky background radiation intensity, it is convenient to implement, low side is demarcated effective, be applicable to large-scale promotion application.
For making above-mentioned purpose of the present invention, feature and advantage become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the structural representation of a kind of caliberating device that the embodiment of the present invention 1 provides;
Fig. 2 shows the schematic flow sheet of a kind of scaling method that the embodiment of the present invention 2 provides;
Fig. 3 shows the schematic flow sheet of the another kind of scaling method that the embodiment of the present invention 2 provides;
Fig. 4 shows a kind of y-S curve synoptic diagram that the embodiment of the present invention 2 provides;
Fig. 5 shows a kind of calibration curve schematic diagram that the embodiment of the present invention 2 provides.
The name that Reference numeral is corresponding is called:
Infrared radiometer 100, lens barrel 101;
Support 200, catoptron 201, diaphragm 202, black matrix 203.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.The assembly of the embodiment of the present invention describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiments of the invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on embodiments of the invention, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Embodiment 1
As shown in Figure 1, embodiments provide a kind of infrared radiometer 100 response curve caliberating device, be applied to infrared radiometer 100, described infrared radiometer 100 comprises lens barrel 101, and described device comprises support 200, catoptron 201, black matrix 203 and diaphragm 202; Described support 200 one end is installed on described lens barrel 101, the other end is connected with described catoptron 201, and described black matrix 203 is located at and described infrared radiometer 100 adjacent position; Described diaphragm 202 is located between described black matrix 203 and described catoptron 201, and the radiant light of described black matrix 203 is through catoptron 201 described in described diaphragm 202 directive and enter in described lens barrel 101 after the reflection of described catoptron.
In order to ensure the dirigibility of angular setting, preferred described catoptron 201 is flexibly connected with described support 200, described catoptron 201 can adjust angle along described support 200, and described catoptron 201 and described support 200 be detachable to be connected or described support 200 is connected with described lens barrel 101 is detachable.When making to reinstall, higher repeatable accuracy can be kept.
In the embodiment of the present invention, preferred black matrix 203 is the high temperature blackbody 203 that can be operated in higher temperature; Catoptron 201 is small-bore plane completely reflecting mirror or small-bore curved face total reflection mirror.
Wherein, the standard item of black matrix 203 (blackbody) Chang Zuowei heat radiation research.It can absorb external whole electromagnetic radiation, and does not have any reflection and transmission.
Diaphragm 202: in optical system part, the edge of optical element, framework or the special barrier with holes arranged are called diaphragm 202.Can enter the light beam of lens imaging, its size is determined by lens frame and other metal frames, but in practical application, often confine optical beam not enough, also will arrange some sheet metals with holes and carry out confine optical beam, be called diaphragm 202 in camera lens like this.The light hole of diaphragm 202 is generally rounded, and its center is on the central shaft of lens, and the metal frame of camera lens is also a kind of diaphragm 202.
The infrared radiometer 100 response curve caliberating device provided in the embodiment of the present invention, abandon in prior art the design limitation adopting heavy caliber black matrix 203 and parallel light tube as caliberating device, select high temperature blackbody 203 and small-bore plane or curved face total reflection mirror, and diaphragm 202 is set between black matrix 203 and catoptron 201, the measurement data y of different clear field S infrared radiometer 100 corresponding is respectively obtained by adjustment diaphragm 202 clear field S, obtain y-S relation curve, basis is provided for realizing demarcation, it is convenient to implement, and designs ingenious.
Embodiment 2
Embodiments provide a kind of infrared radiometer response curve calibration method based, be applied to infrared radiometer response curve caliberating device, described application of installation is in infrared radiometer, described infrared radiometer comprises lens barrel, and described device comprises support, catoptron, black matrix and diaphragm; Described support one end is installed on described lens barrel, the other end is connected with described catoptron, and described black matrix is located at and described infrared radiometer adjacent position; Described diaphragm is located between described black matrix and described catoptron, and the radiant light of described black matrix is through catoptron described in described diaphragm directive and enter in described lens barrel after the reflection of described catoptron, and as shown in Figure 2, described method comprises:
Step S300: the operating angle adjusting described catoptron and described black matrix, fixes described catoptron and described black matrix when described infrared radiometer aims at described black matrix;
By adjustment black matrix and catoptron operating angle, enable blackbody radiation light enter lens barrel by catoptron reflection, enable radiation survey meter respond maximum to blackbody radiation H, fixing black matrix and mirror angle, and keep radiation survey meter orientation angle in mind.
During enforcement, aim at black matrix by auxiliary gun sight.
Step S301: adjust described diaphragm clear field S, when to be recorded in described blackbody temperature be T1, the measurement data y of the described infrared radiometer that different clear field S is corresponding respectively, obtains the synchronized relation between described diaphragm clear field S and the measurement data y of described infrared radiometer when described blackbody temperature is T1;
Adjustment diaphragm clear field S, radiation survey meter is measured, keep the synchronized relation of the effective clear field of diaphragm and radiation survey meter measurement data in mind, the relation of radiation survey meter instrument response and the effective clear field of diaphragm at record black matrix T1 temperature, the radiation flux H entering instrument should be linear with diaphragm clear field S;
S
zi+S
hi＝S
0
y
1i→B+Z
bS
zi+H
T1S
hi＝A+k
1S
hi
Wherein: A=B+Z
bs
0, k
1=H
t1-Z
b
S
zifor shading-area, S
hifor clear field, S
0for effective diaphragm area, B is the constant containing sky background radiation, equipment zero input response etc., H
t1for radiosity when blackbody temperature is T1, Z
brefer to the radiosity of diaphragm.
Step S302: according to the synchronized relation between described diaphragm clear field S and the measurement data y of described infrared radiometer, draws the y-S relation curve between described diaphragm clear field S and the measurement data y of described infrared radiometer, as shown in Figure 4.
Y-S illustrates the relation of response gray scale and clear field, by H=K × Ht × S, obtains the relation of gray scale and H.
Infrared radiometer response curve caliberating device in the embodiment of the present invention is identical with design with the structure in embodiment 1, repeats no more in the present embodiment.
In order to ensure the dirigibility of angular setting, preferred mirror and described support be detachable to be connected or described support is connected with described lens barrel is detachable, and as shown in Figure 3, described method also comprises:
Step S303: adjust described catoptron or described backing positions, makes described infrared radiometer point to the uniform sky of background, when record points to described sky, and the orientation angle a of described infrared radiometer and measurement data y
,;
Step S304: use spectral radiometer under orientation angle a with the same sky of described infrared radiometer synchro measure, obtain standard spectrum radiation data h1, the spectral measurement ranges of described spectral radiometer is greater than the spectral response range of described infrared radiometer;
Step S305: pull down catoptron or support, use described spectral radiometer under orientation angle a with another same sky of described infrared radiometer synchro measure, obtain standard spectrum radiation data h2; Described y-S relation curve marks described standard spectrum radiation data h2; Described y-S relation curve marks described standard spectrum radiation data h1; Described y-S relation curve marks described standard spectrum radiation data h.
Step S306: according to the described standard spectrum radiation data h1 of acquisition and the spectral response range of described infrared radiometer, obtain the equivalent radiated power intensity H1 of described standard spectrum radiation data h1; According to the described standard spectrum radiation data h2 of acquisition and the spectral response range of described infrared radiometer, obtain the equivalent radiated power intensity H2 of described standard spectrum radiation data h2;
Step S307: mark H1 numerical value on the transverse axis of the corresponding y value of described y-S relation curve; The transverse axis of the corresponding y value of described y-S relation curve marks H2 numerical value;
Step S308: according to described equivalent radiated power intensity H1 and the described equivalent radiated power intensity H2 of mark, obtain the corresponding relation of radiation intensity H and clear field S, the horizontal ordinate of described y-S relation curve is rewritten into radiation intensity unit, completes low side radiometric response Drawing of Curve, as shown in Figure 5.
It should be noted that, in the present embodiment, radiation survey meter response is only a greyscale concept, and also do not set up strict corresponding relation with radiation flux, the process of opening relationships is demarcated exactly.
When implementing, also by black matrix alternating temperature to T2, above-mentioned steps can be performed, now:
S
zi+S
hi＝S
0
y
2i→B+Z
bS
zi+H
T1S
hi＝A+k
2S
hi
Wherein: A=B+Z
bs
0, k
2=H
t2-Z
b
S
zifor shading-area, S
hifor clear field, S
0for effective diaphragm area, B is the constant containing sky background radiation, equipment zero input response etc., H
t2for radiosity when blackbody temperature is T2, Z
brefer to the radiosity of diaphragm.
For same y value, answer corresponding same radiation intensity, if be horizontal ordinate with radiation intensity, two curves should overlap, and realize the coincidence of two curves by convergent-divergent horizontal ordinate, can obtain zoom factor K;
Z can be determined thus
b, namely response curve abscissa unit is converted to (H+B) by S, and because B can not determine, curvilinear abscissa absolute value is indefinite.
Calibration curve can use as relative measurement, as the background subtraction that distant object actinometry can adopt, Fig. 5 directly can be utilized to obtain target emanation amount result, obtain measured target infrared radiation measurement result.Also on the basis of Fig. 5, absolute response demarcation can be carried out in conjunction with radiometer.
Can being drawn by the embodiment of the present invention, to make response curve demarcate near sky background as far as possible, needing Z
bs
0little as far as possible, S
0littlely as far as possible little as far as possible catoptron can be adopted to realize, Z
blittle as far as possible can total reflection by diaphragm is designed, and adjustment angle is with reflection zenith background radiation realization.
The method that the embodiment of the present invention provides, its technique effect realizing principle and generation is identical with previous embodiment 1, is concise and to the point description, and the not mentioned part of embodiment of the method part can with reference to corresponding contents in previous embodiment 1.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (10)
1. an infrared radiometer response curve caliberating device, is applied to infrared radiometer, and described infrared radiometer comprises lens barrel, it is characterized in that, described device comprises support, catoptron, black matrix and diaphragm;
Described support one end is installed on described lens barrel, the other end is connected with described catoptron, and described black matrix is located at and described infrared radiometer adjacent position;
Described diaphragm is located between described black matrix and described catoptron, and the radiant light of described black matrix is through catoptron described in described diaphragm directive and enter in described lens barrel after the reflection of described catoptron.
2. device according to claim 1, is characterized in that, described catoptron is flexibly connected with described support, and described catoptron can along described support adjustment angle.
3. device according to claim 1 and 2, is characterized in that, described catoptron and described support be detachable to be connected or described support is connected with described lens barrel is detachable.
4. device according to claim 3, is characterized in that, described black matrix is high temperature blackbody.
5. device according to claim 3, is characterized in that, described catoptron is small-bore plane completely reflecting mirror or small-bore curved face total reflection mirror.
6. an infrared radiometer is response curve calibration method based, it is characterized in that, be applied to infrared radiometer response curve caliberating device, described application of installation is in infrared radiometer, described infrared radiometer comprises lens barrel, and described device comprises support, catoptron, black matrix and diaphragm; Described support one end is installed on described lens barrel, the other end is connected with described catoptron, and described black matrix is located at and described infrared radiometer adjacent position; Described diaphragm is located between described black matrix and described catoptron, and the radiant light of described black matrix is through catoptron described in described diaphragm directive and enter in described lens barrel after the reflection of described catoptron, and described method comprises:
Adjust the operating angle of described catoptron and described black matrix, fix described catoptron and described black matrix when described infrared radiometer aims at described black matrix;
Adjust described diaphragm clear field S, when to be recorded in described blackbody temperature be T1, the measurement data y of the described infrared radiometer that different clear field S is corresponding respectively, obtains the synchronized relation between described diaphragm clear field S and the measurement data y of described infrared radiometer when described blackbody temperature is T1;
According to the synchronized relation between described diaphragm clear field S and the measurement data y of described infrared radiometer, draw the y-S relation curve between described diaphragm clear field S and the measurement data y of described infrared radiometer.
7. method according to claim 6, is characterized in that, described catoptron and described support be detachable to be connected or described support is connected with described lens barrel is detachable, and described method also comprises:
Adjust described catoptron or described backing positions, make described infrared radiometer point to the uniform sky of background, when record points to described sky, the orientation angle a of described infrared radiometer and measurement data y
,;
Use spectral radiometer under orientation angle a with the same sky of described infrared radiometer synchro measure, obtain standard spectrum radiation data h1, the spectral measurement ranges of described spectral radiometer is greater than the spectral response range of described infrared radiometer;
Described y-S relation curve marks described standard spectrum radiation data h1.
8. method according to claim 7, is characterized in that, described method also comprises:
Use described spectral radiometer under orientation angle a with another same sky of described infrared radiometer synchro measure, obtain standard spectrum radiation data h2; Described y-S relation curve marks described standard spectrum radiation data h2.
9. method according to claim 8, is characterized in that, describedly on described y-S relation curve, marks described standard spectrum radiation data h1, comprising:
According to the described standard spectrum radiation data h1 of acquisition and the spectral response range of described infrared radiometer, obtain the equivalent radiated power intensity H1 of described standard spectrum radiation data h1;
The transverse axis of the corresponding y value of described y-S relation curve marks H1 numerical value;
Describedly on described y-S relation curve, mark described standard spectrum radiation data h2, comprising:
According to the described standard spectrum radiation data h2 of acquisition and the spectral response range of described infrared radiometer, obtain the equivalent radiated power intensity H2 of described standard spectrum radiation data h2;
The transverse axis of the corresponding y value of described y-S relation curve marks H2 numerical value.
10. method according to claim 9, it is characterized in that, described method also comprises, according to described equivalent radiated power intensity H1 and the described equivalent radiated power intensity H2 of mark, obtain the corresponding relation of radiation intensity H and clear field S, the horizontal ordinate of described y-S relation curve is rewritten into radiation intensity unit.
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| CN107170013A (en) * | 2017-05-03 | 2017-09-15 | 北京理工大学 | A kind of scaling method of RGB camera spectral response curve |
| CN108088572A (en) * | 2017-11-22 | 2018-05-29 | 中国科学院长春光学精密机械与物理研究所 | A kind of measuring method based on the modified sun absolute radiometer of photoelectricity inequivalence |
| CN109164480A (en) * | 2018-10-15 | 2019-01-08 | 北京环境特性研究所 | A kind of multiple reflections infrared sensor caliberating device and method |
| CN114184567A (en) * | 2021-12-03 | 2022-03-15 | 渤海大学 | Infrared radiation shielding device and infrared detector calibration method based on same |
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| CN109164480B (en) * | 2018-10-15 | 2019-11-19 | 北京环境特性研究所 | A kind of multiple reflections infrared sensor caliberating device and method |
| CN114184567A (en) * | 2021-12-03 | 2022-03-15 | 渤海大学 | Infrared radiation shielding device and infrared detector calibration method based on same |
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