CN105628676A - Raman spectrum correction system and method - Google Patents
Raman spectrum correction system and method Download PDFInfo
- Publication number
- CN105628676A CN105628676A CN201511006051.6A CN201511006051A CN105628676A CN 105628676 A CN105628676 A CN 105628676A CN 201511006051 A CN201511006051 A CN 201511006051A CN 105628676 A CN105628676 A CN 105628676A
- Authority
- CN
- China
- Prior art keywords
- raman spectrum
- value
- processing device
- signal processing
- air pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001237 Raman spectrum Methods 0.000 title claims abstract description 88
- 238000012937 correction Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000001069 Raman spectroscopy Methods 0.000 claims abstract description 39
- 239000000126 substance Substances 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims description 63
- 238000007689 inspection Methods 0.000 claims description 35
- 238000001514 detection method Methods 0.000 claims description 33
- 238000004611 spectroscopical analysis Methods 0.000 claims description 9
- 238000001228 spectrum Methods 0.000 claims description 8
- 238000002715 modification method Methods 0.000 claims description 5
- 238000013507 mapping Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 239000000523 sample Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Classifications
-
- 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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
-
- 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
- G01J3/44—Raman spectrometry; Scattering spectrometry ; Fluorescence spectrometry
-
- 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
- G01J3/44—Raman spectrometry; Scattering spectrometry ; Fluorescence spectrometry
- G01J2003/4424—Fluorescence correction for Raman spectrometry
Abstract
The invention provides a Raman spectrum correction system and method. The Raman spectrum correction system comprises a Raman unit, a signal processor, an air pressure sensor and a temperature and humidity sensor. The air pressure sensor is used for detecting current air pressure and altitude values and sending the air pressure/altitude value to the signal processor. The temperature and humidity sensor is used for detecting current temperature and humidity values and sending the temperature and humidity values to the signal processor. The signal processor is used for amending the Raman spectrum of a substance detected by the Raman unit according to the received air pressure value and the temperature and humidity values. By the adoption of the scheme, Raman shift correction values under corresponding temperature, humidity and air pressure are looked up from a Raman correction table for comparison according to the air pressure/altitude value and the temperature and humidity values detected by the air pressure sensor and the temperature and humidity sensor, and accordingly the effect of automatically correcting the substance Raman spectrum is played. The background light intensity can be further detected through a visible light sensor to remove a background light fluorescence value in the Raman spectrum so as to further achieve correction.
Description
Technical field
The present invention relates to Raman spectrum analysis field, particularly relate to a kind of Raman spectrum correction system and method.
Background technology
Raman spectrum is the characteristic of measured matter itself, it is achieved to the nondestructive testing of material. But in fact, different environment can cause different examine repair, find after deliberation, temperature pressure illumination all can greatly affect Raman spectrum detection, but present stage does not have relatively good processing mode, because causing this phenomenon reason not to be sometimes the problem of spectrograph itself, different surrounding materials can produce different deformation, so corresponding regulative mode must be had for different environment, could measurement of species spectrum information more accurately. Prior art exists the multiple correction technology to Raman spectrum, prior art discloses as a kind of a kind of can the fully distributed fiber Raman temperature sensor of self-checkign n., connect a fiber loop mirror being made up of three-dB coupler and automatic polarization controller at sensor fibre end; The reflectivity of adjustment fiber loop mirror, makes the light of fl transmission be totally reflected at sensor fibre end, thus obtains the anti-Stokes optical signal that positive and negative two harness have identical central wavelength. The light intensity measuring anti-Stokes optical signal can realize the measurement to temperature; By positive and negative two bundle anti-Stokes optical signals are carried out multiplication operation process, the loss that optical fiber self brings due to absorb, bend, strain etc. can be carried out self-checkign n.. But this technology just carries out self-checkign n. for the single condition of temperature.
And for example another kind prior art discloses the Raman spectrometer of a kind of band location function, comprise Raman laser light source, draw graceful probe, beam splitting system, photoelectric detection module, master control unit and locating module, there is high precision, high-resolution Raman spectroscopic detection ability; The laser input terminus of La Man probe is connected with Raman laser light source, draws the laser output of graceful probe to be connected with beam splitting system; The optical signal that beam splitting system exports enters into master control unit through photoelectric detection module; The Raman signal that photoelectric detection module is collected by master control unit processes, and the Raman data in the Raman data collected and database is contrasted, and analyzes result of detection. But this technology is integrated positioning technology in Raman spectrometer designs just.
Namely above-mentioned prior art is single to the correct functioning of Raman spectrum, can not realize many-sided correction.
Summary of the invention
The present invention is intended to solve problem described above, it is provided that Raman spectrum can carry out the system and method for auto modification.
According to the first aspect of the invention, it is provided that a kind of Raman spectrum correction system, comprising: draw graceful unit, signal processing device, baroceptor and humiture sensor;
Described baroceptor is for detecting current air pressure and altitude value, and air pressure/altitude value is sent to described signal processing device;
Described humiture sensor is for detecting Current Temperatures and humidity value, and warm and humid angle value is sent to described signal processing device;
Described signal processing device is used for being revised by the Raman spectrum of the measured matter drawing graceful unit inspection according to the atmospheric pressure value received and warm and humid angle value.
Further, described system also comprises at least one satellite positioning module and cloud database;
Described satellite positioning module, for tested substance is carried out Geographic mapping, and is sent to described signal processing device by the geographical position of location;
Described cloud database, for storing Raman spectrum correction table corresponding to each geographical position;
The Raman spectrum drawing graceful unit inspection is carried out correction and refers to by described air pressure/altitude value according to receiving and warm and humid angle value: signal processing device searches Raman spectrum correction table corresponding to this geographical position of described cloud database purchase according to the geographical position received, search corresponding modified value according to described air pressure/altitude value, warm and humid angle value, utilize described modified value to be revised by the Raman spectrum drawing graceful unit inspection.
Further, described system also comprises at least one visible light sensor, for being detected by current background light, and the fluorescence intensity C2 of detection is periodically sent to described signal processing device;
Described signal processing device is also for setting intensity threshold K, and receives the Raman signal intensity C1 drawing graceful unit inspection and the fluorescence intensity C2 of visible light sensor detection; As C2 C1 >=K, substitute the Raman signal intensity drawing graceful unit inspection with C2 C1, Raman spectrum is revised.
Further, described signal pick-off is not also for when the air pressure/altitude value received, warm and humid angle value have a corresponding modified value in described Raman spectrum correction table, and the value in correction table is carried out matching and obtains modified value corresponding to current air pressure/altitude value, humiture by employing polynomial fitting method.
Further, described system also comprises spectra database, display equipment;
Described spectra database, for storing spectrogram and tie substance information;
Described signal processing device, also revises, to Raman spectrum, spectrogram and the tie substance information that the Raman spectrum after backward described spectroscopic data library inquiry correction meets for completing, and Query Result is sent to the display of described display equipment.
According to a further aspect in the invention, it is provided that a kind of Raman spectrum correction system, comprising: draw graceful unit, signal processing device and at least one visible light sensor;
Described visible light sensor, for being detected by current background light, and is sent to described signal processing device by the fluorescence intensity C2 of detection;
Described signal processing device arranges light intensity and gathers threshold k, and receives the Raman signal intensity C1 drawing graceful unit inspection and the fluorescence intensity C2 of visible light sensor detection; As C2 C1 >=K, substitute the Raman signal intensity drawing graceful unit inspection with C2 C1, Raman spectrum is revised.
The present invention also provides a kind of Raman spectrum modification method, comprising:
Current air pressure/altitude value is detected and air pressure/altitude value is sent to signal processing device by baroceptor;
Humiture sensor detection Current Temperatures and humidity value, and warm and humid angle value is sent to described signal processing device;
The Raman spectrum of the measured matter drawing graceful unit inspection is revised by described signal processing device according to the air pressure/altitude value received and warm and humid angle value.
Further, described method also comprises, and tested substance is carried out Geographic mapping by satellite positioning module, and the geographical position of location is sent to described signal processing device;
The Raman spectrum correction table that each geographical position of cloud database purchase is corresponding;
The Raman spectrum drawing graceful unit inspection is carried out correction and refers to by described air pressure/altitude value according to receiving and warm and humid angle value: signal processing device searches Raman spectrum correction table corresponding to this geographical position of described cloud database purchase according to the geographical position received, search corresponding modified value according to described air pressure/altitude value, warm and humid angle value, utilize described modified value to be revised by the Raman spectrum drawing graceful unit inspection.
Further, described method also comprises:
Current background light is detected by visible light sensor, and the fluorescence intensity C2 of detection is periodically sent to described signal processing device;
Described signal processing device arranges intensity threshold K, and receives the Raman signal intensity C1 drawing graceful unit inspection and the fluorescence intensity C2 of visible light sensor detection; As C2 C1 >=K, substitute the Raman signal intensity drawing graceful unit inspection with C2 C1, Raman spectrum is revised.
Further, described method also comprises:
When the air pressure/altitude value received, warm and humid angle value do not have a corresponding modified value in described Raman spectrum correction table, the value in correction table is carried out matching and obtains modified value corresponding to current air pressure/altitude value, humiture by described signal pick-off employing polynomial fitting method.
Further, described method also comprises:
Spectroscopic data library storage spectrogram and tie substance information;
Described signal processing device completes Raman spectrum is revised spectrogram and the tie substance information that the Raman spectrum after backward described spectroscopic data library inquiry correction meets, and Query Result is sent to the display of described display equipment.
The present invention also provides a kind of Raman spectrum modification method, comprising:
Current background light is detected by visible light sensor, and the fluorescence intensity C2 of detection is sent to signal processing device;
Described signal processing device arranges light intensity and gathers threshold k, and receives the Raman signal intensity C1 drawing graceful unit inspection and the fluorescence intensity C2 of visible light sensor detection; As C2 C1 >=K, substitute the light intensity drawing graceful unit inspection with C2 C1, Raman spectrum is revised.
The present invention program passes through the current air pressure/altitude value of baroceptor and the detection of humiture sensor and warm and humid angle value, go to compare draw graceful correction table search corresponding humiture and air pressure under Raman shifts correction value, thus play material Raman spectrum from the effect of normal moveout correction. Also by visible light sensor, bias light intensity is detected, thus remove the bias light fluorescent value in Raman spectrum and realize correction further.
Reading the following description for exemplary embodiment with reference to accompanying drawing, other property features of the present invention and advantage will become clear.
Accompanying drawing explanation
The accompanying drawing being incorporated in specification sheets and form a part for specification sheets shows embodiments of the invention, and together with the description for explaining the principle of the present invention. In the drawings, similar Reference numeral is for representing similar key element. Accompanying drawing in the following describes is some embodiments of the present invention, instead of whole embodiment. For those of ordinary skill in the art, under the prerequisite not paying creative work, it is possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 schematically illustrates the structure iron of Raman spectrum correction system of the present invention;
Fig. 2 schematically illustrates the present invention and draws graceful correction table;
Fig. 3 schematically illustrates the schema of Raman spectrum correction of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments. Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention. It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can arbitrary combination mutually.
The present invention applies the self-correction function that multiple sensor realizes Raman spectrometer, the geography information of collection is returned by satellite positioning module, these geography information are comprised to some corresponding informances of air pressure/altitude value, humiture by cloud database, give signal processing device and carry out coupling correspondence, provide a real system calibration value, by this calibration value, the Raman shifts of spectrum is carried out system compensation.
Embodiment one
The present embodiment provides a kind of Raman spectrum correction system, as shown in Figure 1, this system comprises and draws graceful unit, signal processing device, baroceptor, temperature sensor, at least 1 visible light sensor, at least 1 satellite positioning module, spectra database, cloud database; Wherein:
Satellite positioning module is used for the geographical position of position determining equipment, and geographical position returns to signal processing device;
Baroceptor, for detecting current atmospheric pressure value and altitude value, and is sent to signal processing device by air pressure/altitude value;
Humiture sensor, for detecting Current Temperatures and humidity, send is to signal processing device;
Visible light sensor, for detection background light intensity (adopting fluorescent value record bias light intensity), and is periodically sent to signal processing device by the fluorescence intensity C2 of detection;
Signal processing device, after receiving geographical position, according to this geographical position to Raman spectrum correction table corresponding to cloud data base querying current geographic position, also for receiving air pressure/altitude value that baroceptor is sent, and receive temperature value and the humidity value that humiture sensor is sent, and according to air pressure/altitude value, warm and humid angle value searches the Raman spectrum correction table of acquisition, this correction table is the air pressure/altitude value to areal, humiture carries out several times and tests the different air pressure/altitude value obtained, humiture environment is to the influence value of material Raman spectrum, certain air pressure/altitude value of this geographical position can be obtained by searching this table, the modified value of Raman spectrum under humiture, utilize this modified value to be revised by the Raman spectrum drawing graceful unit inspection and obtain final Raman spectrum. further, if current air pressure/altitude value, warm and humid angle value do not have corresponding modified value in this Raman spectrum correction table, then adopt polynomial fitting method that the value in correction table carries out the Raman spectrum modified value that matching obtains current air pressure/altitude value, temperature and humidity conditions is corresponding.
Signal processing device, also gather threshold k for setting light intensity, when receiving the Raman signal intensity C1 drawing graceful unit to send and after fluorescence intensity C2 that visible light sensor is sent, whether the difference calculating C2 C1 is more than or equal to threshold k, as C2 C1 >=K, notice Raman detection unit stops detection, and the value drawing graceful unit inspection is revised, and namely Raman signal intensity part C2 C1 substitutes the Raman signal intensity drawing graceful unit inspection. If C2 is C1 < K, continue to receive C1 and C2. Raman signal intensity=PM signals intensity+fluorescence intensity+noise intensity, this method can fall fluorescence that low ambient light causes to the interference of Raman signal by visible light sensor.
Material information corresponding in spectra database, also for after Raman spectrum correction completes, to the spectrogram that the Raman spectrum after spectroscopic data library inquiry correction meets, and is exported, provides the result of judgement, export on the display device by signal processing device.
Cloud database, for store different geographical position corresponding draw graceful correction table, different geographical position corresponding one as shown in Figure 2 draw graceful correction table.
Embodiment two
The present embodiment provides a kind of Raman spectrum modification method, as shown in Figure 3, comprising:
Step 1: humiture sensor detection Current Temperatures and humidity value, and warm and humid angle value is sent to signal processing device, store and form humiture data acquisition, as two dimension table X-coordinates;
Current air pressure/altitude value is detected and air pressure/altitude value is sent to signal processing device by baroceptor, stores and forms air pressure/elevation data set, as two dimension table ordinate zous;
Draw graceful unit that tested substance is carried out Raman spectrum detection, and the Raman signal intensity of detection is sent to signal processing device;
Step 2: the modified value under this condition searched by signal processing device according to the transverse and longitudinal coordinate figure formed;
Step 3: the Raman spectrum of the measured matter drawing graceful unit inspection is revised according to the modified value searched;
Step 4: signal processing device completes the Raman spectrum after the backward spectroscopic data library inquiry correction of correction of Raman spectrum in spectroscopic data library searching tie substance information;
Step 5: judge whether to retrieve spectrogram tie substance, is then perform step 6, otherwise performs step 7;
Step 6: export retrieval material title and relevant information to display equipment.
Step 7: export to display equipment and cannot judge current material property.
Further, step 1 also comprises:
The Raman spectrum correction table that each geographical position of cloud database purchase is corresponding;
The Raman spectrum drawing graceful unit inspection is carried out correction refer to according to the air pressure/altitude value received and warm and humid angle value by signal processing device: signal processing device searches Raman spectrum correction table corresponding to this geographical position of cloud database purchase according to the geographical position received, search corresponding modified value according to air pressure/altitude value, warm and humid angle value, utilize modified value to be revised by the Raman spectrum drawing graceful unit inspection. When the air pressure/altitude value received, warm and humid angle value do not have a corresponding modified value in described Raman spectrum correction table, the value in correction table is carried out matching and obtains modified value corresponding to current air pressure/altitude value, humiture by signal pick-off employing polynomial fitting method.
Further, the method also comprises: current background light is detected by visible light sensor, and the fluorescence intensity C2 of detection is sent to signal processing device;
Signal processing device arranges light intensity and gathers threshold k, and receives and draw Raman signal intensity C1 that graceful unit sends and the fluorescence intensity C2 that visible light sensor is sent; As C2 C1 >=K, substitute the Raman signal intensity drawing graceful unit inspection with C2 C1, Raman spectrum is revised.
Content described above can combine enforcement individually or in various mode, and these variant are all within protection scope of the present invention.
Last it is noted that above embodiment is only in order to illustrate the technical scheme of the present invention, it is not intended to limit. Although with reference to previous embodiment to invention has been detailed description, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein part technology feature is carried out equivalent replacement; And these amendments or replacement, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (12)
1. a Raman spectrum correction system, comprising: draw graceful unit, signal processing device, baroceptor and humiture sensor;
Described baroceptor is for detecting current air pressure and altitude value, and air pressure/altitude value is sent to described signal processing device;
Described humiture sensor is for detecting Current Temperatures and humidity value, and warm and humid angle value is sent to described signal processing device;
Described signal processing device is used for being revised by the Raman spectrum of the measured matter drawing graceful unit inspection according to the atmospheric pressure value received and warm and humid angle value.
2. the system as claimed in claim 1, it is characterised in that:
Described system also comprises at least one satellite positioning module and cloud database;
Described satellite positioning module, for tested substance is carried out Geographic mapping, and is sent to described signal processing device by the geographical position of location;
Described cloud database, for storing Raman spectrum correction table corresponding to each geographical position;
The Raman spectrum drawing graceful unit inspection is carried out correction and refers to by described air pressure/altitude value according to receiving and warm and humid angle value: signal processing device searches Raman spectrum correction table corresponding to this geographical position of described cloud database purchase according to the geographical position received, search corresponding modified value according to described air pressure/altitude value, warm and humid angle value, utilize described modified value to be revised by the Raman spectrum drawing graceful unit inspection.
3. the system as claimed in claim 1, it is characterised in that:
Described system also comprises at least one visible light sensor, for being detected by current background light, and the fluorescence intensity C2 of detection is periodically sent to described signal processing device;
Described signal processing device is also for setting intensity threshold K, and receives the Raman signal intensity C1 drawing graceful unit inspection and the fluorescence intensity C2 of visible light sensor detection; As C2 C1 >=K, substitute the Raman signal intensity drawing graceful unit inspection with C2 C1, Raman spectrum is revised.
4. system as claimed in claim 2, it is characterised in that:
Described signal pick-off is not also for when the air pressure/altitude value received, warm and humid angle value have a corresponding modified value in described Raman spectrum correction table, and the value in correction table is carried out matching and obtains modified value corresponding to current air pressure/altitude value, humiture by employing polynomial fitting method.
5. system as described in item as arbitrary in Claims 1-4, it is characterised in that:
Described system also comprises spectra database, display equipment;
Described spectra database, for storing spectrogram and tie substance information;
Described signal processing device, also revises, to Raman spectrum, spectrogram and the tie substance information that the Raman spectrum after backward described spectroscopic data library inquiry correction meets for completing, and Query Result is sent to the display of described display equipment.
6. a Raman spectrum correction system, comprising: draw graceful unit, signal processing device and at least one visible light sensor;
Described visible light sensor, for being detected by current background light, and is sent to described signal processing device by the fluorescence intensity C2 of detection;
Described signal processing device arranges light intensity and gathers threshold k, and receives the Raman signal intensity C1 drawing graceful unit inspection and the fluorescence intensity C2 of visible light sensor detection; As C2 C1 >=K, substitute the Raman signal intensity drawing graceful unit inspection with C2 C1, Raman spectrum is revised.
7. a Raman spectrum modification method, comprising:
Current air pressure/altitude value is detected and air pressure/altitude value is sent to signal processing device by baroceptor;
Humiture sensor detection Current Temperatures and humidity value, and warm and humid angle value is sent to described signal processing device;
The Raman spectrum of the measured matter drawing graceful unit inspection is revised by described signal processing device according to the air pressure/altitude value received and warm and humid angle value.
8. method as claimed in claim 7, it is characterised in that:
Described method also comprises, and tested substance is carried out Geographic mapping by satellite positioning module, and the geographical position of location is sent to described signal processing device;
The Raman spectrum correction table that each geographical position of cloud database purchase is corresponding;
The Raman spectrum drawing graceful unit inspection is carried out correction and refers to by described air pressure/altitude value according to receiving and warm and humid angle value: signal processing device searches Raman spectrum correction table corresponding to this geographical position of described cloud database purchase according to the geographical position received, search corresponding modified value according to described air pressure/altitude value, warm and humid angle value, utilize described modified value to be revised by the Raman spectrum drawing graceful unit inspection.
9. method as claimed in claim 7, it is characterised in that, described method also comprises:
Current background light is detected by visible light sensor, and the fluorescence intensity C2 of detection is periodically sent to described signal processing device;
Described signal processing device arranges intensity threshold K, and receives the Raman signal intensity C1 drawing graceful unit inspection and the fluorescence intensity C2 of visible light sensor detection; As C2 C1 >=K, substitute the Raman signal intensity drawing graceful unit inspection with C2 C1, Raman spectrum is revised.
10. method as claimed in claim 8, it is characterised in that, described method also comprises:
When the air pressure/altitude value received, warm and humid angle value do not have a corresponding modified value in described Raman spectrum correction table, the value in correction table is carried out matching and obtains modified value corresponding to current air pressure/altitude value, humiture by described signal pick-off employing polynomial fitting method.
11. methods as claimed in claim 7, it is characterised in that, described method also comprises:
Spectroscopic data library storage spectrogram and tie substance information;
Described signal processing device completes Raman spectrum is revised spectrogram and the tie substance information that the Raman spectrum after backward described spectroscopic data library inquiry correction meets, and Query Result is sent to the display of described display equipment.
12. 1 kinds of Raman spectrum modification methods, comprising:
Current background light is detected by visible light sensor, and the fluorescence intensity C2 of detection is sent to signal processing device;
Described signal processing device arranges light intensity and gathers threshold k, and receives the Raman signal intensity C1 drawing graceful unit inspection and the fluorescence intensity C2 of visible light sensor detection; As C2 C1 >=K, substitute the light intensity drawing graceful unit inspection with C2 C1, Raman spectrum is revised.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511006051.6A CN105628676B (en) | 2015-12-29 | 2015-12-29 | A kind of Raman spectrum update the system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511006051.6A CN105628676B (en) | 2015-12-29 | 2015-12-29 | A kind of Raman spectrum update the system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105628676A true CN105628676A (en) | 2016-06-01 |
| CN105628676B CN105628676B (en) | 2018-10-12 |
Family
ID=56043814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511006051.6A Active CN105628676B (en) | 2015-12-29 | 2015-12-29 | A kind of Raman spectrum update the system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105628676B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248653A (en) * | 2016-07-14 | 2016-12-21 | 清华大学 | A kind of method improving LIBS quantitative analysis long-time stability |
| CN106596499A (en) * | 2016-11-01 | 2017-04-26 | 北京华泰诺安技术有限公司 | Real-time Raman spectrum calibration method |
| CN108007872A (en) * | 2016-10-27 | 2018-05-08 | 中国人民解放军第二军医大学 | Spectral detection correcting device, method and authenticity of medicament decision-making system |
| CN108007873A (en) * | 2016-10-27 | 2018-05-08 | 中国人民解放军第二军医大学 | Spectral detection processing unit, method and authenticity of medicament decision-making system |
| CN108007912A (en) * | 2016-10-27 | 2018-05-08 | 中国人民解放军第二军医大学 | Middle-low alloy steels analytical equipment, correction analysis method and authenticity of medicament decision-making system |
| CN109060769A (en) * | 2018-10-30 | 2018-12-21 | 陈芸 | A kind of quick pulp classifier of addicts |
| CN109406488A (en) * | 2018-10-30 | 2019-03-01 | 陈芸 | A kind of drug addict's method for sieving and corresponding screening system |
| CN110672553A (en) * | 2019-10-21 | 2020-01-10 | 四川长虹电器股份有限公司 | Spectrum output compensation method for spectrometer |
| CN110865067A (en) * | 2019-12-02 | 2020-03-06 | 中国检验检疫科学研究院 | Method for rapidly calibrating Raman spectrometer by using acetaminophen |
| CN110987898A (en) * | 2019-12-06 | 2020-04-10 | 中国科学院合肥物质科学研究院 | Spatial heterodyne offset Raman spectrum detection device and detection method thereof |
| CN111351764A (en) * | 2020-02-27 | 2020-06-30 | 云南电网有限责任公司电力科学研究院 | Material detection device and detection method based on terahertz technology |
| CN111638200A (en) * | 2020-04-22 | 2020-09-08 | 山东大学 | Geological forecasting system and method based on Raman spectrum analysis |
| CN112578133A (en) * | 2019-09-27 | 2021-03-30 | 深圳迈瑞生物医疗电子股份有限公司 | Sample analysis system and test management method of analysis equipment |
| CN114441505A (en) * | 2022-03-17 | 2022-05-06 | 中国工程物理研究院机械制造工艺研究所 | Water vapor in-situ calibration device and method for Raman probe and application |
| CN114858779A (en) * | 2022-05-30 | 2022-08-05 | 南通朗地罗拉安全设备有限公司 | Intelligent gas detection method and device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070078349A1 (en) * | 2005-10-04 | 2007-04-05 | Scott Ferguson | Raman instrument for measuring weak signals in the presence of strong background fluorescence |
| CN101031831A (en) * | 2004-07-22 | 2007-09-05 | C8麦迪森瑟斯公司 | Measuring spectral lines from an analyte using multiplexed holograms and polarization manipulation |
| US20080290279A1 (en) * | 2004-12-21 | 2008-11-27 | Foss Analytical A/S | Method for Standardising a Spectrometer |
| CN101865828A (en) * | 2010-05-31 | 2010-10-20 | 湖南大学 | Method for maintaining predication capability of spectrum correction model of complex system |
| JP2012217382A (en) * | 2011-04-08 | 2012-11-12 | Fuji Electric Co Ltd | Microorganism detecting apparatus |
| CN102884413A (en) * | 2010-03-02 | 2013-01-16 | 利康股份有限公司 | Method and apparatus for the photo-acoustic identification and quantification of analyte species in a gaseous or liquid medium |
| CN102998296A (en) * | 2012-11-28 | 2013-03-27 | 重庆绿色智能技术研究院 | Raman spectra pretreatment method for removing effects of background noises |
| CN104198462A (en) * | 2014-09-11 | 2014-12-10 | 中国科学院重庆绿色智能技术研究院 | Raman spectrometer with positioning function |
| CN104458701A (en) * | 2014-12-11 | 2015-03-25 | 成都鼎智汇科技有限公司 | Automatic calibration method of Raman spectrum explosive identification device |
| CN104870955A (en) * | 2012-10-25 | 2015-08-26 | 瑞尼斯豪公司 | Spectroscopic apparatus and methods |
| WO2015138028A2 (en) * | 2013-12-19 | 2015-09-17 | Thermo Scientific Portable Analytical Instruments Inc. | Visual indicator of scan workflow |
-
2015
- 2015-12-29 CN CN201511006051.6A patent/CN105628676B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101031831A (en) * | 2004-07-22 | 2007-09-05 | C8麦迪森瑟斯公司 | Measuring spectral lines from an analyte using multiplexed holograms and polarization manipulation |
| US20080290279A1 (en) * | 2004-12-21 | 2008-11-27 | Foss Analytical A/S | Method for Standardising a Spectrometer |
| US20070078349A1 (en) * | 2005-10-04 | 2007-04-05 | Scott Ferguson | Raman instrument for measuring weak signals in the presence of strong background fluorescence |
| CN102884413A (en) * | 2010-03-02 | 2013-01-16 | 利康股份有限公司 | Method and apparatus for the photo-acoustic identification and quantification of analyte species in a gaseous or liquid medium |
| CN101865828A (en) * | 2010-05-31 | 2010-10-20 | 湖南大学 | Method for maintaining predication capability of spectrum correction model of complex system |
| JP2012217382A (en) * | 2011-04-08 | 2012-11-12 | Fuji Electric Co Ltd | Microorganism detecting apparatus |
| CN104870955A (en) * | 2012-10-25 | 2015-08-26 | 瑞尼斯豪公司 | Spectroscopic apparatus and methods |
| CN102998296A (en) * | 2012-11-28 | 2013-03-27 | 重庆绿色智能技术研究院 | Raman spectra pretreatment method for removing effects of background noises |
| WO2015138028A2 (en) * | 2013-12-19 | 2015-09-17 | Thermo Scientific Portable Analytical Instruments Inc. | Visual indicator of scan workflow |
| CN104198462A (en) * | 2014-09-11 | 2014-12-10 | 中国科学院重庆绿色智能技术研究院 | Raman spectrometer with positioning function |
| CN104458701A (en) * | 2014-12-11 | 2015-03-25 | 成都鼎智汇科技有限公司 | Automatic calibration method of Raman spectrum explosive identification device |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248653B (en) * | 2016-07-14 | 2019-01-29 | 清华大学 | A method of improving laser induced breakdown spectroscopy quantitative analysis long-time stability |
| CN106248653A (en) * | 2016-07-14 | 2016-12-21 | 清华大学 | A kind of method improving LIBS quantitative analysis long-time stability |
| CN108007873A (en) * | 2016-10-27 | 2018-05-08 | 中国人民解放军第二军医大学 | Spectral detection processing unit, method and authenticity of medicament decision-making system |
| CN108007912B (en) * | 2016-10-27 | 2020-11-13 | 中国人民解放军第二军医大学 | Spectrum correction analysis device, correction analysis method, and drug authenticity determination system |
| CN108007912A (en) * | 2016-10-27 | 2018-05-08 | 中国人民解放军第二军医大学 | Middle-low alloy steels analytical equipment, correction analysis method and authenticity of medicament decision-making system |
| CN108007872A (en) * | 2016-10-27 | 2018-05-08 | 中国人民解放军第二军医大学 | Spectral detection correcting device, method and authenticity of medicament decision-making system |
| CN108007873B (en) * | 2016-10-27 | 2020-12-08 | 中国人民解放军第二军医大学 | Spectrum detection processing device, method and medicine authenticity judging system |
| CN106596499B (en) * | 2016-11-01 | 2019-08-27 | 北京华泰诺安技术有限公司 | A kind of Raman spectrum real-time calibration method |
| CN106596499A (en) * | 2016-11-01 | 2017-04-26 | 北京华泰诺安技术有限公司 | Real-time Raman spectrum calibration method |
| CN109060769A (en) * | 2018-10-30 | 2018-12-21 | 陈芸 | A kind of quick pulp classifier of addicts |
| CN109406488A (en) * | 2018-10-30 | 2019-03-01 | 陈芸 | A kind of drug addict's method for sieving and corresponding screening system |
| CN112578133A (en) * | 2019-09-27 | 2021-03-30 | 深圳迈瑞生物医疗电子股份有限公司 | Sample analysis system and test management method of analysis equipment |
| CN110672553A (en) * | 2019-10-21 | 2020-01-10 | 四川长虹电器股份有限公司 | Spectrum output compensation method for spectrometer |
| CN110865067B (en) * | 2019-12-02 | 2022-01-25 | 中国检验检疫科学研究院 | Method for rapidly calibrating Raman spectrometer by using acetaminophen |
| CN110865067A (en) * | 2019-12-02 | 2020-03-06 | 中国检验检疫科学研究院 | Method for rapidly calibrating Raman spectrometer by using acetaminophen |
| CN110987898A (en) * | 2019-12-06 | 2020-04-10 | 中国科学院合肥物质科学研究院 | Spatial heterodyne offset Raman spectrum detection device and detection method thereof |
| CN111351764A (en) * | 2020-02-27 | 2020-06-30 | 云南电网有限责任公司电力科学研究院 | Material detection device and detection method based on terahertz technology |
| CN111351764B (en) * | 2020-02-27 | 2024-01-23 | 云南电网有限责任公司电力科学研究院 | Material detection device and method based on terahertz technology |
| CN111638200A (en) * | 2020-04-22 | 2020-09-08 | 山东大学 | Geological forecasting system and method based on Raman spectrum analysis |
| CN111638200B (en) * | 2020-04-22 | 2021-11-23 | 山东大学 | Geological forecasting system and method based on Raman spectrum analysis |
| CN114441505A (en) * | 2022-03-17 | 2022-05-06 | 中国工程物理研究院机械制造工艺研究所 | Water vapor in-situ calibration device and method for Raman probe and application |
| CN114441505B (en) * | 2022-03-17 | 2023-08-18 | 中国工程物理研究院机械制造工艺研究所 | Water vapor in-situ calibration device for Raman probe, calibration method and application |
| CN114858779A (en) * | 2022-05-30 | 2022-08-05 | 南通朗地罗拉安全设备有限公司 | Intelligent gas detection method and device |
| CN114858779B (en) * | 2022-05-30 | 2024-03-12 | 南通朗地罗拉安全设备有限公司 | Intelligent gas detection method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105628676B (en) | 2018-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105628676A (en) | Raman spectrum correction system and method | |
| CN101706307B (en) | Transmission spectra based method and device for detecting oil product interfaces in oil pipelines | |
| CN101726361B (en) | Apparatus and method for measuring optical characteristics suitable for spectrum measurement | |
| CN1488932B (en) | Polarized optical-wave reflection analysing method | |
| CN103712914B (en) | Detection aerosol extinction and the laser cavity ring-down spectrometer of scattering coefficient simultaneously | |
| CN103278185B (en) | Cavity ring-down fiber grating sensing demodulating device based on calibrated fiber grating | |
| CN101084419A (en) | A method for standardising a spectrometer | |
| CN101283242A (en) | Temperature measurement device and temperature measurement method | |
| CN100545632C (en) | Optical fiber spectrometer wavelength calibration method | |
| CN101183025A (en) | Color measurement color difference instrument and color measurement method thereof | |
| CN201170774Y (en) | Detector with numeral photo and amplifying function | |
| CN101813519B (en) | Stray light correction method of spectrograph | |
| CN102680097A (en) | Spectral characteristic measurement method and spectral characteristic measurement apparatus | |
| US20120077895A1 (en) | Status estimation device, status estimation method and program for ultraviolet curable resin | |
| CN109655386A (en) | Particle concentration detection device and detection method | |
| CN105823621A (en) | Portable optical frequency domain reflectometer | |
| CN205229030U (en) | A device for determining smoke intensity calorific power | |
| CN102313559B (en) | A kind of closed loop multifunctional optical fiber optical grating sensing device and method of built-in standard volume source | |
| CN202002879U (en) | Yellow wine ingredient content detecting device | |
| JP2021067611A5 (en) | ||
| CN108195566B (en) | The method for detecting any wavelength arbitrary shape bore optical system transmission wavefront | |
| CN116067625A (en) | System and method for testing long-time wavelength stability of built-in light source of spectrometer | |
| CN102087205A (en) | Chilled-mirror precise dew-point hygrometer | |
| CN106404358A (en) | Test device and method for full-fiber current transformer mirror reflectance stability | |
| KR200404482Y1 (en) | Portable Data Aquisition Apparatus for Internal Qualtity of Fruits |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |