CN108195765A - A kind of red in sunlight, blue light detection method and application system - Google Patents
A kind of red in sunlight, blue light detection method and application system Download PDFInfo
- Publication number
- CN108195765A CN108195765A CN201711257427.XA CN201711257427A CN108195765A CN 108195765 A CN108195765 A CN 108195765A CN 201711257427 A CN201711257427 A CN 201711257427A CN 108195765 A CN108195765 A CN 108195765A
- Authority
- CN
- China
- Prior art keywords
- blue light
- sunlight
- red
- percentage
- feux rouges
- 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.)
- Pending
Links
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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
Abstract
The invention discloses red, blue light detection method, this method in a kind of sunlight to include the following steps：Using observation by testing the ratio for obtaining red, blue light under different sun altitudes and accounting for sunlight；Determine wavelength proportion and sun altitude correspondence；Equation group is obtained using least square method；Feux rouges and blue light detection model are fitted, and is passed through and is chosen suitable empirical equation fitting function f is obtained（x）；It substitutes into sun altitude calculation formula to obtain as a result, also disclosing red, blue light detection method application system in a kind of sunlight, which includes microprocessor and the acquisition module, communication module, LCD MODULE and the host computer that connect with microprocessor.The present invention has the following advantages and effects：Percentage red, shared by blue light in sunlight when calculating different sun altitudes by the method；Temperature, humidity, carbon dioxide and intensity of illumination can be acquired by the system.
Description
Technical field
The present invention relates to a kind of intelligent planting detection field, red, blue light detection side in more particularly to a kind of sunlight
Method and application system.
Background technology
Agricultural is the important pillar industry in China, but China is a relatively backward large agricultural country, farming species
Plant method equipment is simple, and the monitoring managements of crops the problems such as waiting backward in technique have seriously affected the development of China's agricultural.Simultaneously
Most of young men for wanting to start an undertaking more are concerned with environment and multiple functional city, and leave rural area and leave agricultural, make in this way
The quality of agriculture practitioner go fromes bad to worse increasingly deficient with the subsequent talent.In addition to the quantity of agriculture practitioner is reduced, Agricultural Monitoring
Technical aspect causes the monitoring intelligent of many links in agricultural production, information to be put down also due to the limitation of technology development in the past
Platform is also in more original and passive state, and main still dependence is manually monitored and information exchange.
Planting is related with various factors, and the concentration of wherein temperature, humidity, illumination and carbon dioxide influences it
It is maximum.Sunlight illumination is made of the light wave of many different wave lengths, there was only 5% or so ratio in solar radiation spectrum
Photosynthesis is had an impact, wherein with the red light of the blue light of 400~520nm of wavelength and 610~7200nm to light
It is maximum to close contribution.
And existing technology is without accurately calculating red, blue light percentage method in sunlight, LED light-supplementing systems
The fixed pattern red, blue light light application ratio is constant of generally use, sun altitude when not considering to measure（Sun altitude and when
Between, longitude, latitude and the date it is related）And temperature, humidity and gas concentration lwevel cause benefit to photosynthetic influence
The phenomenon that light is insufficient or light filling is superfluous or even light is caused to draw up and photo damage phenomenon, seriously affect the normal growth of plant.Simultaneously
Also lack complete set and the high plant-test system of versatility monitors plant in real time.
Invention content
The object of the present invention is to provide red, blue light detection method, the methods in a kind of sunlight can calculate difference
In addition percentage red in sunlight during sun altitude, shared by blue light provides red, blue light detection method in a kind of sunlight
Application system, the system can detect temperature, humidity, gas concentration lwevel and sunlight intensity of illumination and be calculated by host computer
Percentage red, shared by blue light in sunny light, and it is provided with display of the display module for data.
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides red, blue light detection method in a kind of sunlight, packet
Include step：
Step S1, using observation by testing the ratio for obtaining red, blue light under different sun altitudes and accounting for sunlight；
Step S2, wavelength proportion and sun altitude correspondence are determined；
Step S3, equation group is obtained using least square method；
Step S4, feux rouges and blue light detection model are fitted, and is passed through and is chosen suitable empirical equation fitting function f is obtained（x）；
Step S5, sun altitude calculation formula is substituted into, is finally determined during different sun altitudes in sunlight shared by red, blue light
Percentage correspondence formula.
Wherein, the step S2 is specifically included：Sun altitude is set as independent variable x, feux rouges accounts for the percentage of sunlight
For dependent variable f（x）, then, whereinIt is selected in advance one
Group function,It is undetermined coefficient（k=1,2,...,m,m<n）.
Wherein, the step S3 is specifically included：It is enabled according to criterion of least squares
,
To askJ is made to reach minimum, it is only necessary to utilize the necessary condition of extreme value
Obtain aboutSystem of linear equations
,
Note
,
Equation group group is represented by, the equation groupReferred to as normal equation system, wherein,For empirical equation, whenDuring linear independence, R row are full
Order,It is reversible, then equation groupThere is unique solution。
Wherein, the step S4 is specifically included：Feux rouges fitting function uses power functionForm, blue light are intended
It closes function and uses logarithmic functionForm, according to x in experimental data, the measured value of y makes x, and y's dissipates
Point diagram, and compare typical plot and choose suitable empirical equation, wherein y accounts for for feux rouges
The percentage of sunlight, x are the value of corresponding sun altitude, finally utilize matched curve f（x）Above-mentioned function is intended
It closes, obtains the fitting function of blue light logarithmic form, the plan of feux rouges power function form
Close function。
Wherein, the step S5 is specifically included：According to the calculation formula of sun altitude
, in formula:It is declination (sun declination that φ, which is latitude, δ,
Or day drift angle), w be hour angle, δ changes between ± 23.5 °, and T can consider red between the true solar time when requiring not stringent
The calculation formula of latitude and hour angle is respectively
,,
The fitting function of the fitting function of blue light logarithmic form and feux rouges power function form is substituted into respectively
The calculation formula of sun altitude obtains, and feux rouges accounts for the corresponding of sunlight percentage
Blue light accounts for the corresponding of sunlight percentage
。
Implement the embodiment of the present invention, have the advantages that：For present subrane light-intensity test instrument, there are prices
The problems such as high, difficult extension, the embodiment of the present invention proposes a kind of subrane light intensity rapid detection method, predominantly detects and green is planted
Object photosynthesis influences maximum red, blue light.Red, blue light light intensity in sunlight is established by way of experiment and accounts for the total light of the sun
The respective function relational model of sun altitude when strong percentage and measurement has preferable versatility and portability.
The embodiment of the present invention additionally provides red, blue light detection method application system in a kind of sunlight, including：
The microprocessor and acquisition module being connect with microprocessor, communication module and LCD MODULE, the acquisition module packet
Temperature collecting cell, humidity collection unit, carbon dioxide collecting unit and intensity of illumination collecting unit are included, is further included and microprocessor
The host computer of communication interface is connected and carries, the host computer obtains different time sections using the method as described in claim 1
Percentage red in sunlight, shared by blue light.
Wherein, the temperature collecting cell includes temperature sensor and the first AD being connect with temperature sensor output terminal
Converting unit, the first AD conversion unit output terminal connect microprocessor；
The humidity collection unit includes humidity sensor and the second AD conversion unit being connect with humidity sensor output terminal,
The second AD conversion unit output terminal connects microprocessor；
The carbon dioxide collecting unit includes carbon dioxide sensor and connect with carbon dioxide sensor output terminal the
Three AD conversion units, the third AD conversion unit output terminal connect microprocessor；
The intensity of illumination collecting unit includes intensity of illumination sensor and connect with intensity of illumination sensor output the
Four AD conversion units, the 4th AD conversion unit output terminal connect microprocessor.
Implement the embodiment of the present invention, have the advantages that：Temperature value is collected and by the by temperature sensor
One AD conversion cell translation is into corresponding digital signal；Humidity value is collected by humidity sensor and passes through the second AD conversion list
Member is converted into corresponding digital signal；Carbon dioxide values are collected by carbon dioxide sensor and pass through third AD conversion unit
It is converted into corresponding digital signal；Illumination intensity value is collected by intensity of illumination sensor and is turned by the 4th AD conversion unit
Change corresponding digital signal into, while host computer calculates the altitude of the sun using red, blue light detection method in the sunlight
Percentage red in sunlight during angle, shared by blue light simultaneously passes through communication module and is sent to microprocessor, is connect with microprocessor
Display module show current temperature, humidity, gas concentration lwevel, intensity of illumination, sunlight shared by feux rouges percentage and
The percentage of sunlight shared by blue light.
Plant growth is influenced by many factors, wherein main influence to be that temperature, humidity, intensity of illumination and carbon dioxide are dense
Degree realizes real time monitoring and management to plant environment, while examine using red, blue light in sunlight by acquiring above-mentioned data
Percentage red, shared by blue light in sunlight when survey method calculates different sun altitudes, according to red, the blue light being calculated
Shared percentage, artificial LED light fillings can accomplish that dynamic optimization regulates and controls by adjusting red, blue beam intensity ratio, promote plant so as to reach
The purpose of growth and development.
Description of the drawings
Fig. 1 is red, blue light detection method flow chart in sunlight in embodiment；
Fig. 2 is red, blue light proportion and the scatter plot of sun altitude correspondence in embodiment；
Fig. 3 is the fitted figure of blue light in embodiment；
Fig. 4 is the fitted figure of feux rouges in embodiment；
Fig. 5 is the structure diagram of red, blue light detection method application system in sunlight in embodiment.
In figure：1st, microprocessor；2nd, communication module；3rd, LCD MODULE；4th, host computer；5th, temperature collecting cell；
5.1st, the first AD conversion unit；5.2nd, temperature sensor；6th, humidity collection unit；6.1st, the second AD conversion unit；6.2nd, humidity
Sensor；7th, carbon dioxide collecting unit；7.1st, third AD conversion unit；7.2nd, carbon dioxide sensor；8th, intensity of illumination is adopted
Collect unit；8.1st, the 4th AD conversion unit；8.2nd, intensity of illumination sensor.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing.
With reference to figure 1, step S1, a kind of red in sunlight, blue light detection method obtains difference using observation by experiment
Red under sun altitude, blue light accounts for the ratio of sunlight；
Specifically, using 5.0 TOUCH of hand-held spectral radiometer GL SPECTIS by 30 days to different sun altitudes
It observes and measures, 15 groups of sun altitude corresponding datas have been obtained after processing, according to principle of unity, the measurement of 30 days is fine
It measurement data,
| Sun altitude | 1° | 5° | 10° | 15° | 20° | 25° | 30° | 35° |
| Feux rouges | 82.1 | 47.6 | 36.5 | 35.2 | 34.1 | 32.2 | 31.9 | 31.1 |
| Blue light | 0.5 | 4.2 | 7.1 | 7.9 | 8.5 | 9.8 | 11.0 | 11.4 |
| Sun altitude | 40° | 45° | 50° | 55° | 60° | 65° | 70° | |
| Feux rouges | 30.3 | 30.2 | 29.8 | 29.1 | 28.3 | 26.4 | 25.6 | |
| Blue light | 11.6 | 11.8 | 11.9 | 12.1 | 12.2 | 12.8 | 13.5 |
Step S2, wavelength proportion and sun altitude correspondence are determined；
Specifically：Least square method is a kind of mathematical optimization techniques, it finds function most by minimizing the quadratic sum of error
Nice function matches, and can easily acquire unknown data using least square method, and cause these data and reality for acquiring
The quadratic sum of error is minimum between data.
Sun altitude is set as independent variable x, the percentage that feux rouges accounts for sunlight is dependent variable f（x）, then
（Formula 1）
WhereinIt is one group of selected in advance function,It is undetermined coefficient（k=1,2,...,m,m<n）.
Step S3, equation group is obtained using least square method；
Specifically：It is enabled according to criterion of least squares
（Formula 2）
To askJ is made to reach minimum, it is only necessary to utilize the necessary condition of extreme value
Obtain aboutSystem of linear equations
（Formula 3）
Note
Formula 3 is represented by
（Formula 4）
Formula 4 is known as normal equation system, wherein,For empirical equation, when
During linear independence, R sequency spectrums,Reversible, then equation group formula 4 has unique solution
（Formula 5）
As long as it can be seen that f（x）About undetermined coefficientLinearly, in least square method criterion formulas 2
Under, obtained formula 3 also must be linear.Selection to data, primary and most critical a step are appropriate selection warps
Test formula
。
Step S4, feux rouges and blue light detection model are fitted, and is passed through and is chosen suitable empirical equation fitting function f is obtained
（x）；
Specifically, it draws red, blue light according to the data obtained in experiment and accounts for the ratio of sunlight and sun altitude correspondence
Scatter plot.
With reference to figure 2, determine that feux rouges fitting function uses power function according to scatter plotForm, blue light fitting
Function uses logarithmic functionForm.
Function Fitting is carried out, inputs according to x in experimental data, the measured value of y, makes x, the scatter plot of y, and compare typical case
Curve graph chooses suitable empirical equation, wherein y is the percentage that feux rouges accounts for sunlight,
X is the value of corresponding sun altitude, obtains fitting function f（x）.
It is the fitting result of blue light, and the fitting function of blue light logarithmic form is with reference to figure 3
（Formula 6）.
It is the fitting result of feux rouges, and the fitting function of feux rouges power function form is with reference to figure 4
（Formula 7）
Step S5, sun altitude calculation formula is substituted into, is finally determined during different sun altitudes in sunlight shared by red, blue light
Percentage correspondence formula；
Specifically, it by Function Fitting, has finally obtained blue light and has accounted for the ratio of sunlight and the corresponding formula 6 of sun altitude,
And feux rouges accounts for the ratio of sunlight and the corresponding formula 7 of sun altitude.Sun altitude represents sunray and electrical measurement point
Angle between horizon, is represented with h, and formula can be expressed as：
（Formula 8）
In formula:It is declination (sun declination or day drift angle), w is hour angle that φ, which is latitude, δ, and δ changes between ± 23.5 °, and T is
Between true solar time, the calculation formula that declination and hour angle are can consider when requiring not stringent is respectively
（Formula 9）
（Formula 10）
Wherein T is the true solar time（0-24h）, consider that China's time is calculated, therefore T can be expressed as using Beijing time
（Formula 11）
In formula, h is the hourage of Beijing time, and m is minute, is measurement point longitude, and it is small then to add 24 when T gained is negative
When.The fitting function of the fitting function of blue light logarithmic form and feux rouges power function form is substituted into the calculating of sun altitude respectively
Formula obtains,
Feux rouges accounts for the corresponding of sunlight percentage
Blue light accounts for the corresponding of sunlight percentage
。
With reference to figure 5, a kind of red in sunlight, blue light detection method application system, including：Microprocessor 1 and with micro- place
Acquisition module, communication module 2 and LCD MODULE 3 that device 1 connects are managed, the acquisition module includes temperature collecting cell 5, wet
Collecting unit 6, carbon dioxide collecting unit 7 and intensity of illumination collecting unit 8 are spent, further includes and communication is connect and carried with microprocessor
The host computer 4 of interface, the host computer 4 using red in sunlight, blue light detection method obtain in different time sections sunlight it is red,
Percentage shared by blue light.
Wherein, temperature collecting cell 5 includes temperature sensor 5.2 and connect with 5.2 output terminal of temperature sensor the
One AD conversion unit 5.1,5.1 output terminal of the first AD conversion unit connect microprocessor 1；Humidity collection unit 6 includes wet
Degree sensor 6.2 and the second AD conversion unit 6.1 being connect with 6.2 output terminal of humidity sensor, the second AD conversion list
First 6.1 output terminals connection microprocessor 1；Carbon dioxide collecting unit 7 includes carbon dioxide sensor 7.2 and and carbon dioxide
The third AD conversion unit 7.1 of 7.2 output terminal of sensor connection, 7.1 output terminal of third AD conversion unit connect microprocessor
Device 1；Intensity of illumination collecting unit 8 includes intensity of illumination sensor 8.2 and connect with 8.2 output terminal of intensity of illumination sensor
4th AD conversion unit 8.1,8.1 output terminal of the 4th AD conversion unit connect microprocessor 1.
Specifically：Temperature sensor 5.2 collects the analog signal of temperature value, and passes through 5.1 turns of the first AD conversion unit
It changes digital signal into and is transmitted to microprocessor 1；Humidity sensor 6.2 collects the analog signal of humidity value, and by second
AD conversion unit 6.1 is converted into digital signal and is transmitted to microprocessor 1；Carbon dioxide sensor 7.2 collects carbon dioxide
The analog signal of concentration value, and be converted into digital signal by third AD conversion unit 7.1 and be transmitted to microprocessor 1；Illumination
Intensity sensor 8.2 collects the analog signal of intensity of illumination, and is converted into digital signal simultaneously by the 4th AD conversion unit 8.1
It is transmitted to microprocessor 1；Microprocessor receives the signal and LCD MODULE 3 of above-mentioned acquisition.
Host computer 4 utilizes the sun according to sun altitude, i.e., longitude, latitude, time and the date of current collection point
Red in light, blue light detection method calculates percentage red, shared by blue light in sunlight, and host computer 4 connect with microprocessor 1 and will
Red, blue light percentage the value calculated is transmitted to microprocessor 1 by communication module 2, and host computer 4 is provided with communication and connects
Mouthful, and communicated by way of serial communication.Microprocessor 1 transmits red, blue light percentage the value received
To LCD MODULE 3, LCD MODULE 3 can show that the temperature of current time, humidity, gas concentration lwevel, illumination
Intensity, feux rouges account for the percentage of sunlight and blue light accounts for the percentage of sunlight, realize real time monitoring.Work at the same time personnel's energy
It is enough to accomplish that dynamic optimization regulates and controls according to the data detected, in addition to basic temperature, humidity, gas concentration lwevel and intensity of illumination
Value additionally provides percentage red, shared by blue light in sunlight, and artificial LED light fillings is made to be detached from traditional red, blue light light application ratio not
The pattern of change, in real time regulation and control make plant preferably grow.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
It is all protected in the right of invention by Patent Law.
Claims (7)
1. red in a kind of sunlight, blue light detection method, which is characterized in that include the following steps：
Step S1, using observation by testing the ratio for obtaining red, blue light under different sun altitudes and accounting for sunlight；
Step S2, wavelength proportion and sun altitude correspondence are determined；
Step S3, equation group is obtained using least square method；
Step S4, feux rouges and blue light detection model are fitted, and is passed through and is chosen suitable empirical equation fitting function f is obtained（x）；
Step S5, sun altitude calculation formula is substituted into, is finally determined during different sun altitudes in sunlight shared by red, blue light
Percentage correspondence formula.
2. according to the method described in claim 1, it is characterized in that, the step S2 is specifically included：Set sun altitude as
Independent variable x, the percentage that feux rouges accounts for sunlight are dependent variable f（x）, then
, whereinIt is one group of selected in advance function,It is undetermined
Coefficient（k=1,2,...,m,m<n）.
3. according to the method described in claim 1, it is characterized in that, the step S3 is specifically included：It is enabled according to criterion of least squares
,
To askJ is made to reach minimum, it is only necessary to utilize the necessary condition of extreme value
Obtain aboutSystem of linear equations
,
Note
,
Equation group group is represented by, the equation groupReferred to as normal equation system, wherein,For empirical equation, whenDuring linear independence, R row are full
Order,It is reversible, then equation groupThere is unique solution。
4. according to the method described in claim 1, it is characterized in that, the step S4 is specifically included：Feux rouges fitting function uses
Power functionForm, blue light fitting function use logarithmic functionForm, according to experiment
The measured value of x in data, y make x, the scatter plot of y, and compare typical plot and choose suitable empirical equation, wherein y is the percentage that feux rouges accounts for sunlight, and x is the value of corresponding sun altitude,
Finally utilize matched curve f（x）Above-mentioned function is fitted, obtains the fitting function of blue light logarithmic form, the fitting function of feux rouges power function form。
5. according to the method described in claim 1, it is characterized in that, the step S5 is specifically included：According to sun altitude
Calculation formula
, in formula:φ be latitude, δ be declination (sun declination or
Day drift angle), w be hour angle, δ changes between ± 23.5 °, and T can consider declination between the true solar time when requiring not stringent
And the calculation formula of hour angle is respectively
,,
The fitting function of the fitting function of blue light logarithmic form and feux rouges power function form is substituted into respectively
The calculation formula of sun altitude obtains, and feux rouges accounts for the corresponding of sunlight percentage
Blue light accounts for the corresponding of sunlight percentage
。
6. a kind of application system of blue light detection method red in sunlight, which is characterized in that including：Microprocessor (1) and with it is micro-
Acquisition module, communication module (2) and the LCD MODULE (3) of processor (1) connection, the acquisition module include temperature acquisition
Unit (5), humidity collection unit (6), carbon dioxide collecting unit (7) and intensity of illumination collecting unit (8), further include and micro- place
Reason connects and the host computer (4) with communication interface, the host computer (4) are obtained not using the method as described in claim 1
With percentage red, shared by blue light in period sunlight.
7. system according to claim 1, which is characterized in that the temperature collecting cell (5) is including temperature sensor
(5.2) and with temperature sensor (5.2) output terminal the first AD conversion unit (5.1) connecting, the first AD conversion unit
(5.1) output terminal connection microprocessor (1)；
The humidity collection unit (6) connect including humidity sensor (6.2) and with humidity sensor (6.2) output terminal
Two AD conversion units (6.1), the second AD conversion unit (6.1) output terminal connection microprocessor (1)；
The carbon dioxide collecting unit (7) is defeated including carbon dioxide sensor (7.2) and with carbon dioxide sensor (7.2)
The third AD conversion unit (7.1) of outlet connection, third AD conversion unit (7.1) the output terminal connection microprocessor (1)；
The intensity of illumination collecting unit (8) is defeated including intensity of illumination sensor (8.2) and with intensity of illumination sensor (8.2)
4th AD conversion unit (8.1) of outlet connection, the 4th AD conversion unit (8.1) the output terminal connection microprocessor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711257427.XA CN108195765A (en) | 2017-12-04 | 2017-12-04 | A kind of red in sunlight, blue light detection method and application system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711257427.XA CN108195765A (en) | 2017-12-04 | 2017-12-04 | A kind of red in sunlight, blue light detection method and application system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108195765A true CN108195765A (en) | 2018-06-22 |
Family
ID=62573312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711257427.XA Pending CN108195765A (en) | 2017-12-04 | 2017-12-04 | A kind of red in sunlight, blue light detection method and application system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108195765A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148934A (en) * | 2013-01-24 | 2013-06-12 | 西北农林科技大学 | Detection method and equipment based on solar single-band photon flux density model |
| CN105158171A (en) * | 2015-06-08 | 2015-12-16 | 南京农业大学 | Spectral calibration method for crop nitrogen sensor |
-
2017
- 2017-12-04 CN CN201711257427.XA patent/CN108195765A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148934A (en) * | 2013-01-24 | 2013-06-12 | 西北农林科技大学 | Detection method and equipment based on solar single-band photon flux density model |
| CN103148934B (en) * | 2013-01-24 | 2014-08-06 | 西北农林科技大学 | Detection method and equipment based on solar single-band photon flux density model |
| CN105158171A (en) * | 2015-06-08 | 2015-12-16 | 南京农业大学 | Spectral calibration method for crop nitrogen sensor |
Non-Patent Citations (2)
| Title |
|---|
| 张海辉 等: "太阳光特定波段光强快速检测方法研究", 《光子学报》 * |
| 牛甲: "基于模糊控制的温室环境控制系统的研究", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Li et al. | Chlorophyll fluorescence observed by OCO-2 is strongly related to gross primary productivity estimated from flux towers in temperate forests | |
| CN104778451B (en) | A kind of Grassland Biomass remote sensing inversion method of consideration meadow height factors | |
| CN108169138B (en) | Rice lodging monitoring method utilizing thermal infrared image | |
| Qu et al. | LAINet–A wireless sensor network for coniferous forest leaf area index measurement: Design, algorithm and validation | |
| CN109757175B (en) | Unmanned aerial vehicle monitoring-based corn water and fertilizer integrated variable fertilization method | |
| CN109444069A (en) | A kind of Nitrogen Nutrition of Paddy Rice Plant monitoring method based on UAV system active canopy sensor | |
| CN109211801A (en) | A kind of crop nitrogen demand real time acquiring method | |
| CN109269645A (en) | A kind of field corn canopy surface temperature extracting method based on unmanned plane visible light and thermal infrared remote sensing | |
| CN113049750B (en) | Method and system for diagnosing water stress of plant based on high-flux stomata conductivity | |
| CN108760660A (en) | A kind of period of seedling establishment leaves of winter wheat chlorophyll contents evaluation method | |
| CN102778212A (en) | Method and device for utilizing digital camera to obtain rice canopy leaf area index | |
| CN112986158B (en) | Beet nitrogen nutrition detection method and system based on unmanned aerial vehicle multispectral data | |
| CN110245327A (en) | A kind of yield of wheat remote sensing estimation method based on GF-1 data reconstruction | |
| CN103278503A (en) | Multi-sensor technology-based grape water stress diagnosis method and system therefor | |
| CN116108318B (en) | Rape nitrogen fertilizer recommended dressing amount calculation method based on unmanned aerial vehicle multispectral image | |
| CN203502345U (en) | Real-time population chlorophyll monitoring system | |
| Yuan et al. | Diagnosis of nitrogen nutrition of rice based on image processing of visible light | |
| CN109827957A (en) | A kind of rice leaf SPAD value estimating and measuring method based on computer vision and system | |
| CN108492206A (en) | A kind of tobacco leaf production management method and step based on unmanned plane | |
| CN103149180B (en) | Detection method of soil spectral reflectivity and specific conductance | |
| CN109471400A (en) | A kind of wisdom agricultural management method and management platform based on cloud computing | |
| CN114460015A (en) | Method and model for predicting chlorophyll content of canopy of rice in cold region | |
| Ünlü et al. | Comparison of soybean evapotranspirations measured by weighing lysimeter and Bowen ratio-energy balance methods | |
| CN108195765A (en) | A kind of red in sunlight, blue light detection method and application system | |
| CN109272416B (en) | Greenhouse crop planting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180622 |
|
| RJ01 | Rejection of invention patent application after publication |