CN107247690B - Estimate the method and service terminal of temperature - Google Patents
Estimate the method and service terminal of temperature Download PDFInfo
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- CN107247690B CN107247690B CN201710434299.5A CN201710434299A CN107247690B CN 107247690 B CN107247690 B CN 107247690B CN 201710434299 A CN201710434299 A CN 201710434299A CN 107247690 B CN107247690 B CN 107247690B
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Abstract
The present invention relates to meteorological technical fields, more particularly to a kind of method and service terminal for estimating temperature, the method of the estimation temperature is applied to service terminal, and the method for the estimation temperature includes the temperature lapse rate of pixel where calculating according to satellite remote sensing inverting surface temperature and digital elevation model.According to the temperature lapse rate of meteorological site pixel where the temperature value and the meteorological site that practical height above sea level measures, the meteorological site is calculated in the first estimation temperature value of the predetermined height above sea level.Establish regression model, the meteorological site is obtained in the simulation temperature value of the predetermined height above sea level, according to the meteorological site in the first estimation temperature value and simulation temperature value of the predetermined height above sea level, the meteorological site is calculated in the second estimation temperature value of the predetermined height above sea level.The accurate estimation to temperature is realized by this programme, is avoided and is directly acquired temperature record bring error.
Description
Technical field
The present invention relates to meteorological technical fields, in particular to a kind of method and service terminal for estimating temperature.
Background technique
Temperature adjusting not only adjusts many near surface processes, but also affects glacier accumulated snow ablation, permafrost degradation, entirely
All various aspects such as ball climate warming are an important near surface meteorology ginsengs in the models such as various plants, the hydrology, meteorology and environment
Number.Currently, the main space interpolation and remotely-sensed data indirect gain for passing through meteorological site of space temperature record.Wherein, space
For interpolation vulnerable to the influence of topography, error is larger；Remotely-sensed data is big using near-infrared data inversion temperature difficulty, mainly uses multi-parameter
Statistical relationship and method and temperature/vegetation index estimate temperature.Therefore it provides a kind of accurate temperature evaluation method is that extremely have must
It wants.
Summary of the invention
The purpose of the present invention is to provide a kind of methods for estimating temperature, to realize the accurate estimation to temperature, reduce straight
Connect the error of measurement temperature record.
Another object of the present invention is to provide a kind of service terminals, to realize the accurate estimation to temperature, reduce direct
Measure the error of temperature record.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows:
In a first aspect, being applied to service terminal, the method the embodiment of the invention provides a kind of method for estimating temperature
Temperature binding analysis for measuring the surface temperature data and meteorological site of inverting on satellite remote sensing images is accurately to estimate
Temperature, which comprises
The temperature value and the meteorological site measured according to the meteorological site in practical height above sea level is in the satellite
The temperature lapse rate of pixel where go remote sensing images calculates the meteorological site in the first estimation of the predetermined height above sea level
Temperature value；
Regression model is established, obtains the meteorological site in the simulation temperature value of the predetermined height above sea level；
According to the meteorological site in the first estimation temperature value and simulation temperature value of the predetermined height above sea level, calculate
The meteorological site estimates temperature value in the second of the predetermined height above sea level.
Second aspect, the embodiment of the invention also provides a kind of service terminal, the service terminal includes:
Memory；
Processor；And estimation temperature device, it is described estimation temperature device be installed in the memory and including
The software function module that one or more is executed by the processor, the device for estimating temperature include:
First computing module, temperature value and the gas for being measured according to the meteorological site in practical height above sea level
As the temperature lapse rate of website place pixel on the satellite remote sensing images, the meteorological site is calculated in described pre- Dinghai
First estimation temperature value of degree of lifting；
Model building module obtains the meteorological site in the mould of the predetermined height above sea level for establishing regression model
Quasi- temperature value；
Second computing module, for according to the meteorological site in the predetermined height above sea level first estimation temperature value and
Temperature value is simulated, calculates the meteorological site in the second estimation temperature value of the predetermined height above sea level.
A kind of method and service terminal for estimating temperature provided in an embodiment of the present invention, the method for the estimation temperature are applied to
Service terminal, the method for the estimation temperature include the temperature value measured according to the meteorological site in practical height above sea level and institute
The temperature lapse rate for stating meteorological site calculates the meteorological site in the first estimation temperature value of the predetermined height above sea level.
Regression model is established, obtains the meteorological site in the simulation temperature value of the predetermined height above sea level, according to the meteorological site
In the first estimation temperature value and simulation temperature value of the predetermined height above sea level, the meteorological site is calculated in described pre- Dinghai
Second estimation temperature value of degree of lifting.The accurate estimation to temperature is realized by this programme, is avoided and is directly acquired temperature number
According to bring error.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows a kind of structural schematic diagram of service terminal provided in an embodiment of the present invention.
Fig. 2 shows a kind of flow diagrams for the method for estimating temperature provided in an embodiment of the present invention.
Fig. 3 shows a kind of flow diagram of the sub-step of method for estimating temperature provided in an embodiment of the present invention.
Fig. 4 shows the flow diagram of the method for another estimation temperature provided in an embodiment of the present invention.
Fig. 5 shows a kind of the functional block diagram of device for estimating temperature provided in an embodiment of the present invention.
Diagram: 300- service terminal；The device of 310- estimation temperature；320- memory；330- processor；311- first is counted
Calculate module；312- model building module；The second computing module of 313-.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
Fig. 1 is please referred to, is a kind of structural schematic diagram of service terminal 300 provided in an embodiment of the present invention, of the invention real
It applies in example, the method for estimating temperature is applied to service terminal 300, which may be, but not limited to, desktop computer
Equal intelligent electronic devices.The service terminal 300 includes device 310, memory 320 and the processor 330 of estimation temperature.
The memory 320, each element of processor 330 are directly or indirectly electrically connected between each other, to realize data
Transmission or interaction.It is electrically connected for example, these elements can be realized between each other by one or more communication bus or signal wire.
The device 310 of the estimation temperature includes that at least one can be stored in memory in the form of software or firmware (firmware)
In 320 or the software function module that is solidificated in the operating system (operating system, OS) of service terminal 300.Processing
Device 330 is used to execute the executable module stored in memory 320, such as estimates the software function that the device 310 of temperature includes
Module and computer program etc..
Wherein, memory 320 may be, but not limited to, random access memory (Random Access Memory,
RAM), read-only memory (Read Only Memory, ROM), programmable read only memory (Programmable Read-Only
Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only Memory, EPROM),
Electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only Memory, EEPROM) etc..
Wherein, memory 320 is for storing program, and processor 330 executes described program after receiving and executing instruction.
It referring to figure 2., is a kind of method for estimating temperature provided in an embodiment of the present invention, the method application of the estimation temperature
In service terminal 300, the method for the estimation temperature includes: step S110, is surveyed according to the meteorological site in practical height above sea level
The temperature lapse rate of temperature value and the meteorological site pixel where go the satellite remote sensing images obtained calculates described
Meteorological site estimates temperature value in the first of the predetermined height above sea level.
Pass throughMeteorological site is calculated in the first estimation temperature of predetermined height above sea level
It is worth, wherein TA, nFor the temperature value that meteorological site is measured in practical height above sea level,Indicate meteorological site in satellite remote sensing images
The temperature lapse rate of upper place pixel.
Step S120, establishes regression model, obtains the meteorological site in the simulation temperature value of the predetermined height above sea level.
In embodiments of the present invention, it is established by the longitude of meteorological site, latitude and normalized differential vegetation index and returns mould
Type simulates meteorological site in the simulation temperature value of predetermined height above sea level by the regression model of foundation, but not limited to this, it can be with
Regression model is established by other parameters.The regression model is TM (i, j)=a1·latitude+a2·lontitude+a3·
NDVI+b, wherein TM (i, j)To simulate temperature value, a1,a2,a3For regression coefficient, b is constant, and latitude is longitude,
Lontitude is latitude, and NDVI is normalized differential vegetation index.
Step S130, according to the meteorological site in the first estimation temperature value and simulation temperature of the predetermined height above sea level
Value calculates the meteorological site in the second estimation temperature value of the predetermined height above sea level.
According to the simulation temperature value that step S110 the first estimation temperature value obtained and step S120 obtain, calculate meteorological
Second estimation temperature value of the website at predetermined height above sea level, which is meteorological site at the predetermined height above sea level
More accurate temperature value.Specifically, being the stream of the sub-step of step S130 provided in an embodiment of the present invention referring to figure 3.
Journey schematic diagram.
The meteorological site is estimated temperature value and the simulation gas in the first of the predetermined height above sea level by step S131
Temperature value calculates temperature residual values, and temperature residual error interpolation value is calculated according to the temperature residual values.
By obtaining TC, n=TD, n-TM, nTemperature residual values, wherein TC, nFor temperature residual values, TD, nFor the meteorological site
First in the predetermined height above sea level estimates temperature value, TM, nIt is the meteorological site in the simulation of the predetermined height above sea level
Temperature value.
By gram in golden spatial interpolation methodsTemperature residual error interpolation value is obtained, wherein TC (i, j)For temperature
Residual error interpolation value, TC, iFor temperature residual values, δiFor observation weight coefficient.
The temperature residual error interpolation value is added to obtain the meteorological site in described with the simulation temperature by step S132
Second estimation temperature value of predetermined height above sea level.
Pass through TD, a (i, j)=TC (i, j)+TM (i, j)The second estimation temperature value is calculated in algorithm, wherein TD, a (i, j)Estimate for second
Calculate temperature value, TC (i, j)For temperature residual error interpolation value, TM (i, j)To simulate temperature value.
It referring to figure 4., is the flow diagram of another method for estimating temperature provided in an embodiment of the present invention, the estimation
The method of temperature is applied to service terminal 300, and the method for the estimation temperature includes:
Step S210 obtains multiple surface temperature values from the satellite remote sensing images inverting.
Pass through MODIS (Moderate Imaging Spectroradiomete, moderate-resolution imaging
Spectroradiometer multiple surface temperature values of each pixel, the ground of each pixel) are obtained from satellite remote sensing images inverting
Table temperature retrieval value includes 4 inverting values in daytime and evening.
Step S220, calculates the average value of multiple surface temperature values, and the average value of the multiple surface temperature value is each
The surface temperature of pixel.
Pass through TS=(TTd+TAd+TTn+TDnThe surface temperature of each pixel is calculated in)/4, wherein TTdAnd TAdIndicating should
The surface temperature on daytime of pixel, TTnAnd TDnThe night surface temperature for indicating the pixel, 4 earth's surfaces of pixel obtained by inverting
The average value of temperature is to obtain the surface temperature of each pixel.
Step S230, according to the surface temperature of the pixel at the practical height above sea level of the remote sensing images inverting, Yi Jisuo
The digital elevation model that remote sensing images region corresponds to pixel is stated, calculates the pixel of different altitude height relative to predetermined height above sea level
The temperature lapse rate of pixel at height.
The surface temperature for obtaining the pixel on remote sensing images at practical height above sea level, in combination with the digital elevation mould of pixel
Type calculates temperature lapse rate of the pixel of different altitude height relative to predetermined height above sea level, which can root
It is chosen according to actual needs.Especially by
Algorithm calculates temperature lapse rate of the pixel of different altitude height relative to predetermined height above sea level, whereinTemperature
Lapse rate, Hi,jFor the height above sea level of other pixels, HDFor predetermined height above sea level, TS (i, j)For the surface temperature of other pixels,
TS, D (x, y)For the surface temperature of the pixel at predetermined height above sea level.
Step S240, the temperature value measured according to the meteorological site in practical height above sea level and meteorological site institute
In the temperature lapse rate of pixel, the meteorological site is calculated in the first estimation temperature value of the predetermined height above sea level.
Pass throughMeteorological site is calculated in the first estimation temperature of predetermined height above sea level
It is worth, wherein TA, nFor the temperature value that meteorological site is measured in practical height above sea level,Indicate the temperature lapse rate of meteorological site.
Step S250, establishes regression model, obtains the meteorological site in the simulation temperature value of the predetermined height above sea level.
In embodiments of the present invention, it is established by the longitude of meteorological site, latitude and normalized differential vegetation index and returns mould
Type simulates meteorological site in the simulation temperature value of predetermined height above sea level by the regression model of foundation, but not limited to this, it can be with
Regression model is established by other parameters.The regression model is TM (i, j)=a1·latitude+a2·lontitude+a3·
NDVI+b, wherein TM (i, j)To simulate temperature value, ai,a2,a3For regression coefficient, b is constant, and latitude is longitude,
Lontitude is latitude, and NDVI is normalized differential vegetation index.
Step S260, according to the meteorological site in the first estimation temperature value and simulation temperature of the predetermined height above sea level
Value calculates the meteorological site in the second estimation temperature value of the predetermined height above sea level.
According to the simulation temperature value that step S240 the first estimation temperature value obtained and step S250 obtain, calculate meteorological
Second estimation temperature value of the website at predetermined height above sea level, which is meteorological site at the predetermined height above sea level
More accurate temperature value.Specifically,
The meteorological site is estimated that temperature value and the simulation temperature value are subtracted each other in the first of the predetermined height above sea level
Temperature residual values are obtained, temperature residual error interpolation value is calculated according to the temperature residual values.
Pass through TC, n=TD, n-TM, nTemperature residual values are obtained, wherein TC, nFor temperature residual values, TD, nFor the meteorological site
First in the predetermined height above sea level estimates temperature value, TM, nIt is the meteorological site in the simulation of the predetermined height above sea level
Temperature value.
By gram in golden spatial interpolation methodsTemperature residual error interpolation value is obtained, wherein TC (i, j)For temperature
Residual error interpolation value, TC, iFor temperature residual values, δiFor observation weight coefficient.
The temperature residual error interpolation value is added to obtain the meteorological site in the predetermined height above sea level with the simulation temperature
Second estimation temperature value of height.
Pass through TD, a (i, j)=TC (i, j)+TM (i, j)The second estimation temperature value is calculated in algorithm, wherein TD, a (i, j)Estimate for second
Calculate temperature value, TC (i, j)For temperature residual error interpolation value, TM (i, j)To simulate temperature value.
Step S270, according to the temperature lapse rate of different altitude height pixel and the meteorological site in described pre- Dinghai
Second estimation temperature value of degree of lifting, calculates the temperature value of the different practical height above sea levels of pixel.
It is calculated described according to the temperature lapse rate of the calculated different altitude height of step S230 and step S260
Meteorological site estimates temperature value in the second of predetermined height above sea level, calculates the temperature value of practical height above sea level.Especially by
Algorithm calculates the temperature value of practical height above sea level, wherein TA (i, j)For the temperature value of practical height above sea level, TD, a (i, j)
Temperature value is estimated in the second of the predetermined height above sea level for the meteorological site,For temperature lapse rate.Therefore, pass through
Meteorological site estimates temperature value in the second of the predetermined height above sea level, obtains the temperature value of other height above sea levels, realizes pair
The accurate estimation of the temperature value of practical height above sea level.
It referring to figure 5., is a kind of the functional block diagram of device 310 for estimating temperature provided in an embodiment of the present invention,
The device 310 of the estimation temperature is applied to service terminal 300, and the device 310 of the estimation temperature includes:
First computing module 311, temperature value and institute for being measured according to the meteorological site in practical height above sea level
The temperature lapse rate for stating meteorological site place pixel on the satellite remote sensing images, calculates the meteorological site in described pre-
Determine the first estimation temperature value of height above sea level.
In embodiments of the present invention, step S110, step S210~step S240 can be held by the first computing module 311
Row.
Model building module 312 obtains the meteorological site in the predetermined height above sea level for establishing regression model
Simulate temperature value.
In embodiments of the present invention, step S120 and step S250 can be executed by model building module 312.
Second computing module 313, for estimating temperature in the first of the predetermined height above sea level according to the meteorological site
Value and simulation temperature value calculate the meteorological site in the second estimation temperature value of the predetermined height above sea level.
In embodiments of the present invention, step S130~step S132, step S260 and step S270 can be by the second meters
Module 313 is calculated to execute.
Due to having been described in the method for estimation temperature, details are not described herein.
In conclusion a kind of method and service terminal for estimating temperature provided in an embodiment of the present invention, the estimation temperature
Method is applied to service terminal, and the method for the estimation temperature includes the gas measured according to the meteorological site in practical height above sea level
The temperature lapse rate of temperature value and the meteorological site, calculate the meteorological site in the predetermined height above sea level first are estimated
Calculate temperature value.Regression model is established, obtains the meteorological site in the simulation temperature value of the predetermined height above sea level, according to described
Meteorological site calculates the meteorological site in institute in the first estimation temperature value and simulation temperature value of the predetermined height above sea level
State the second estimation temperature value of predetermined height above sea level.The accurate estimation to temperature is realized by this programme, is avoided and is directly obtained
Take temperature record bring error.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, flow chart and block diagram in attached drawing
Show the device of multiple embodiments according to the present invention, the architectural framework in the cards of method and computer program product,
Function and operation.In this regard, each box in flowchart or block diagram can represent the one of a module, section or code
Part, a part of the module, section or code, which includes that one or more is for implementing the specified logical function, to be held
Row instruction.It should also be noted that function marked in the box can also be to be different from some implementations as replacement
The sequence marked in attached drawing occurs.For example, two continuous boxes can actually be basically executed in parallel, they are sometimes
It can execute in the opposite order, this depends on the function involved.It is also noted that every in block diagram and or flow chart
The combination of box in a box and block diagram and or flow chart can use the dedicated base for executing defined function or movement
It realizes, or can realize using a combination of dedicated hardware and computer instructions in the system of hardware.
In addition, each functional module in each embodiment of the present invention can integrate one independent portion of formation together
Point, it is also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.It needs
Illustrate, herein, relational terms such as first and second and the like be used merely to by an entity or operation with
Another entity or operation distinguish, and without necessarily requiring or implying between these entities or operation, there are any this realities
The relationship or sequence on border.Moreover, the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should also be noted that similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. a kind of method for estimating temperature, is applied to service terminal, which is characterized in that the method is used for satellite remote sensing images
The temperature binding analysis that the surface temperature data and meteorological site of upper inverting measure is accurately to estimate temperature, which comprises
The temperature value and the meteorological site measured according to the meteorological site in practical height above sea level is in the satellite remote sensing
The temperature lapse rate of pixel where go image calculates the meteorological site in the first estimation temperature value of predetermined height above sea level；
Regression model is established, obtains the meteorological site in the simulation temperature value of the predetermined height above sea level；
The meteorological site is estimated that temperature value and the simulation temperature value calculate outlet in the first of the predetermined height above sea level
Temperature residual error interpolation value is calculated according to the temperature residual values in warm residual values；
The temperature residual error interpolation value is added to obtain the meteorological site in the predetermined height above sea level with the simulation temperature value
Second estimation temperature value of degree；
According to the temperature lapse rate of pixel on the satellite remote sensing images and the meteorological site in the predetermined height above sea level
Second estimation temperature value, calculates the temperature value of the practical height above sea level of the pixel.
2. the method for estimation temperature as described in claim 1, which is characterized in that
The calculation for calculating temperature residual error are as follows:
TC, n=TD, n-TM, n
Wherein, TC, nFor temperature residual error, TD, nTemperature value is estimated in the first of the predetermined height above sea level for the meteorological site,
TM, nIt is the meteorological site in the simulation temperature value of the predetermined height above sea level；
It is described to obtain the calculation of temperature residual error space interpolation according to temperature residual computations are as follows:
Wherein, TC (i, j)For temperature residual error interpolation value, TC, iFor temperature residual error, δiFor observation weight coefficient.
3. the method for estimation temperature as described in claim 1, which is characterized in that
The calculation of the practical height above sea level temperature value of the pixel are as follows:
Wherein, TA (i, j)For the temperature value of practical height above sea level, TD, a (i, j)It is the meteorological site in the second of the predetermined height above sea level
Estimate temperature value,For temperature lapse rate.
4. the method for estimation temperature as described in claim 1, which is characterized in that the method also includes:
The surface temperature of pixel at the practical height above sea level obtained according to inverting on the satellite remote sensing images, in conjunction with the remote sensing
The digital elevation model of image corresponding region pixel calculates the pixel of different altitude height relative to pixel at predetermined height above sea level
Temperature lapse rate.
5. the method for estimation temperature as claimed in claim 4, which is characterized in that
The calculation of the temperature lapse rate are as follows:
Wherein,For temperature lapse rate, Hi,jFor the height above sea level of other pixels, HDFor predetermined height above sea level, TS (i, j)For it
The surface temperature of his pixel, TS, D (x, y)For the surface temperature of the pixel at predetermined height above sea level.
6. the method for estimation temperature as claimed in claim 4, which is characterized in that the method also includes:
Multiple surface temperature values of each pixel are obtained from inverting on the satellite remote sensing images；
The average value of multiple surface temperature values is calculated, the average value of the multiple surface temperature value is the earth's surface temperature of each pixel
Degree.
7. the method for estimation temperature as described in claim 1, which is characterized in that it is described to establish regression model, obtain the gas
As website includes: in the step of simulation temperature value of the predetermined height above sea level
Regression model is established according to the longitude, latitude and normalized differential vegetation index of the meteorological site, obtains the weather station
Point is in the simulation temperature value of the predetermined height above sea level；
Establish the calculation of regression model are as follows:
TM (i, j)=a1·latitude+a2·lontitude+a3·NDVI+b
Wherein, TM (i, j)To simulate temperature value, a1,a2,a3For regression coefficient, b is constant, and latitude is longitude, lontitude
For latitude, NDVI is normalized differential vegetation index.
8. a kind of service terminal, which is characterized in that the service terminal includes:
Memory；
Processor；And the device of estimation temperature, the device of the estimation temperature are installed in the memory and including one
Or multiple software function modules executed by the processor, the device of the estimation temperature include:
First computing module, temperature value and the meteorological site for being measured according to meteorological site in practical height above sea level exist
The temperature lapse rate of pixel where go satellite remote sensing images calculates the meteorological site in the first estimation of predetermined height above sea level
Temperature value；
Model building module obtains the meteorological site in the simulation gas of the predetermined height above sea level for establishing regression model
Temperature value；
Second computing module, for the meteorological site to be estimated temperature value and the mould in the first of the predetermined height above sea level
Quasi- temperature value calculates temperature residual values, and temperature residual error interpolation value is calculated according to the temperature residual values；Second meter
Module is calculated to be also used to be added to obtain the meteorological site in described pre- with the simulation temperature value for the temperature residual error interpolation value
Determine the second estimation temperature value of height above sea level；Second computing module is also used to according to pixel on the satellite remote sensing images
Temperature lapse rate and the meteorological site calculate the reality of the pixel in the second estimation temperature value of the predetermined height above sea level
The temperature value of height above sea level.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710434299.5A CN107247690B (en) | 2017-06-09 | 2017-06-09 | Estimate the method and service terminal of temperature |
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| CN201710434299.5A CN107247690B (en) | 2017-06-09 | 2017-06-09 | Estimate the method and service terminal of temperature |
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| CN107247690A CN107247690A (en) | 2017-10-13 |
| CN107247690B true CN107247690B (en) | 2019-10-01 |
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| CN106169014A (en) * | 2016-06-15 | 2016-11-30 | 中国水利水电科学研究院 | Region based on remotely-sensed data Surface sensible heat/latent heat flux inversion method and system |
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