CN108629107A - A kind of method and device calculating degree/day - Google Patents
A kind of method and device calculating degree/day Download PDFInfo
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- CN108629107A CN108629107A CN201810400744.0A CN201810400744A CN108629107A CN 108629107 A CN108629107 A CN 108629107A CN 201810400744 A CN201810400744 A CN 201810400744A CN 108629107 A CN108629107 A CN 108629107A
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- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
Abstract
The present invention provides a kind of method and device calculating degree/day, including:Obtain max. daily temperature and Daily minimum temperature of the objective area in one day;According to the max. daily temperature and the Daily minimum temperature, the temperature diurnal variation curve function of the objective area is established, wherein the image of the temperature diurnal variation curve function is sinusoidal shape;Integral operation is carried out to the temperature diurnal variation curve function, obtains the integral operation of the temperature diurnal variation curve function as a result, and using the integral operation result as the degree/day of the objective area.In this way, being used as the degree/day of the objective area by the integral operation result for obtaining temperature diurnal variation curve function progress integral operation, the accuracy that temperature diurnal variation situation is expressed with degree/day can be improved.
Description
Technical field
The present invention relates to weather monitoring field more particularly to a kind of method and devices calculating degree/day.
Background technology
Temperature is a kind of performance shape of intermolecular mean kinetic energy in the physical quantity and object for indicate the cold and hot degree of object
Formula, therefore there is important statistical significance.Especially degree/day plays effect in each face of each side;Such as in terms of the hydrology, day
Temperature to research frozen soil freeze and melt and the tri-state of moisture variation all have important meaning.Currently, industry would generally
The mean daily temperature that will be calculated by the max. daily temperature and Daily minimum temperature in somewhere, as this area's temperature on the one,
That is degree/day.However, using mean daily temperature as degree/day after, temperature diurnal variation and actual temperature diurnal variation phase
Than there are larger errors, to be difficult to accurately reflect actual temperature diurnal variation situation.Mean daily temperature is made as a result,
It is degree/day to express temperature diurnal variation situation, accuracy is relatively low.
Invention content
The embodiment of the present invention is designed to provide a kind of method and device calculating degree/day, solves per day temperature
Degree is as degree/day to express temperature diurnal variation situation, the relatively low problem of accuracy.
In order to achieve the above object, the embodiment of the present invention provides a kind of method calculating degree/day, including:
Obtain max. daily temperature and Daily minimum temperature of the objective area in one day;
According to the max. daily temperature and the Daily minimum temperature, the temperature diurnal variation curve letter of the objective area is established
Number, wherein the image of the temperature diurnal variation curve function is sinusoidal shape;
Integral operation is carried out to the temperature diurnal variation curve function, obtains the integral of the temperature diurnal variation curve function
Operation result, and using the integral operation result as the degree/day of the objective area.
Optionally, described according to the max. daily temperature and the Daily minimum temperature, establish the temperature of the objective area
Diurnal variation curve function, including:
The temperature diurnal variation curve letter of the objective area is established according to the max. daily temperature and the Daily minimum temperature
Number y=f (x);
Wherein, y is temperature, and x is the time, and x ∈ [D, E], the D and the E are real number and the D and the E
Between difference be the corresponding time on the one, the ordinate of the peak of the image of the y=f (x) is A, the y=f
(x) ordinate of the minimum point of image is B, and the A is the max. daily temperature, and the B is the Daily minimum temperature.
Optionally, the temperature diurnal variation curve function is SIN function or cosine function, the corresponding time on the one
For a minimum positive period of the temperature diurnal variation curve function.
Optionally, described that integral operation is carried out to the temperature diurnal variation curve function, it is bent to obtain the temperature diurnal variation
The integral operation of line function as a result, and using the integral operation result as the step of the degree/day of the objective area, including:
To describedIntegral operation is carried out, integral operation result is obtainedUsing the integral operation result as the degree/day of the objective area,
Wherein, describedFor the definite integral in the section of the D and the E, the dxFor the infinitesimal of x, the DE is that the E is subtracted
The difference that the D is obtained;Alternatively,
To describedIntegral operation is carried out, integral operation result is obtainedUsing the integral operation result as the degree/day of the objective area,
Wherein, describedFor the definite integral in the section of the D and the E, the dxFor the infinitesimal of x, the DE is that the E is subtracted
The difference that the D is obtained.
Optionally, the abscissa of the peak of the temperature diurnal variation curve function y=f (x) is the max. daily temperature A
Corresponding record time a, the abscissa of the minimum point adjacent with the peak is the Daily minimum temperature in the y=f (x)
The corresponding record time b of B.
The embodiment of the present invention also provides a kind of device calculating degree/day, including:
Acquisition module, for obtaining max. daily temperature and Daily minimum temperature of the objective area in one day;
Module is established, for according to the max. daily temperature and the Daily minimum temperature, establishing the temperature of the objective area
Subsist change curve function, wherein the image of the temperature diurnal variation curve function is sinusoidal shape;
Computing module obtains the temperature diurnal variation for carrying out integral operation to the temperature diurnal variation curve function
The integral operation of curvilinear function is as a result, and using the integral operation result as the degree/day of the objective area.
Optionally, the module of establishing according to the max. daily temperature and the Daily minimum temperature for establishing the target
The temperature diurnal variation curve function y=f (x) in area;
Wherein, y is temperature, and x is the time, and x ∈ [D, E], the D and the E are real number and the D and the E
Between difference be the corresponding time on the one, the ordinate of the peak of the image of the y=f (x) is A, the y=f
(x) ordinate of the minimum point of image is B, and the A is the max. daily temperature, and the B is the Daily minimum temperature.
Optionally, the temperature diurnal variation curve function is SIN function or cosine function, the corresponding time on the one
For a minimum positive period of the temperature diurnal variation curve function.
Optionally, the computing module is used for describedCarry out integral fortune
It calculates, obtains integral operation resultUsing the integral operation result as institute
State the degree/day of objective area, wherein describedFor the definite integral in the section of the D and the E, the dxFor the micro- of x
Member, the DE are that the E subtracts the difference that the D is obtained;Alternatively,
The computing module is used for describedIntegral operation is carried out, is obtained
To integral operation resultUsing the integral operation result as the mesh
Mark the degree/day in area, wherein describedFor the definite integral in the section of the D and the E, the dxFor the infinitesimal of x, institute
It is that the E subtracts the difference that the D is obtained to state DE.
Optionally, the abscissa of the peak of the temperature diurnal variation curve function y=f (x) is the max. daily temperature A
Corresponding record time a, the abscissa of the minimum point adjacent with the peak is the Daily minimum temperature in the y=f (x)
The corresponding record time b of B.
In the embodiment of the present invention, max. daily temperature and Daily minimum temperature of the objective area in one day are obtained;According to described
Max. daily temperature and the Daily minimum temperature establish the temperature diurnal variation curve function of the objective area, wherein the temperature
The image of diurnal variation curve function is sinusoidal shape;Integral operation is carried out to the temperature diurnal variation curve function, is obtained
The integral operation of the temperature diurnal variation curve function is as a result, and using the integral operation result as the day of the objective area
Temperature.In this way, by described in the obtained integral operation result of temperature diurnal variation curve function progress integral operation is used as
The degree/day of objective area can improve the accuracy that temperature diurnal variation situation is expressed with degree/day.
Description of the drawings
Fig. 1 is a kind of flow chart of method calculating degree/day provided in an embodiment of the present invention;
Fig. 2 is a kind of schematic diagram of temperature diurnal variation curve in practice provided in an embodiment of the present invention;
Fig. 3 is a kind of schematic diagram of temperature diurnal variation curve function provided in an embodiment of the present invention;
Fig. 4 is a kind of device calculating degree/day provided in an embodiment of the present invention.
Specific implementation mode
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
As shown in Figure 1, the embodiment of the present invention provides a kind of method calculating degree/day, including:
Step 101 obtains max. daily temperature and Daily minimum temperature of the objective area in one day.
Wherein, the max. daily temperature and Daily minimum temperature for obtaining objective area in one day, can be by interconnecting
It is inquired to obtain in net, or the mode of acquisition can not also be limited by obtaining the modes such as data input by user
It is fixed.And the objective area can be any area, to this and be not construed as limiting.Preferably, the model of the latitude L of the objective area
Enclose 30 degree of ranging from south latitude≤L≤south latitude 60 for 60 degree of 30 degree≤L≤north latitude of north latitude or the latitude L;Such as Heilungkiang
Province Sanjiang Plain Region, in above-mentioned area, there are prodigious probabilities max. daily temperature occurs more than zero degree, and day is minimum
Temperature can make last integral operation results expression temperature diurnal variation situation in this way in sub-zero temperature change phenomenon
Accuracy higher.
Step 102, according to the max. daily temperature and the Daily minimum temperature, the temperature day for establishing the objective area becomes
Change curvilinear function, wherein the image of the temperature diurnal variation curve function is sinusoidal shape.
Wherein, described according to the max. daily temperature and the Daily minimum temperature, establish the temperature day of the objective area
Change curve function, can refer to using the max. daily temperature as function maxima and using the Daily minimum temperature as function most
Small value establishes a specific function, using the specific function as the temperature diurnal variation curve function of the objective area.And
Temperature diurnal variation curve refers to the curve drawn out by being counted to each temperature value within continuous 24 hours, specifically
It can be as shown in Figure 2, it can be seen that temperature diurnal variation curve shown in Fig. 2 is similar to sinusoidal one section.And the temperature
The image of change curve function of subsisting is sinusoidal shape, can be the temperature diurnal variation curve function in rectangular coordinate system
On image can match with the curve of certain sine wave shape;For example, the shape of the image of SIN function and cosine function
All it is sine wave shape, the image of the two can mutually coincide after the transformation such as translation on hand in rectangular coordinate system.
Optionally, described according to the max. daily temperature and the Daily minimum temperature, establish the temperature of the objective area
Diurnal variation curve function, including:
The temperature diurnal variation curve letter of the objective area is established according to the max. daily temperature and the Daily minimum temperature
Number y=f (x);
Wherein, y is temperature, and x is the time, and x ∈ [D, E], the D and the E are real number and the D and the E
Between difference be the corresponding time on the one, the ordinate of the peak of the image of the y=f (x) is A, the y=f
(x) ordinate of the minimum point of image is B, and the A is the max. daily temperature, and the B is the Daily minimum temperature.
In present embodiment, the D and the E are respectively the section of the temperature diurnal variation curve function y=f (x)
Minimum value and maximum value;The corresponding time on the one, can refer to one day time can with corresponding conversion at time, such as
It can correspond within described one day and change into 1 day, 24 hours or 1440 minutes etc..And the difference between the D and the E is described one
The day corresponding time, can refer to that the difference between the D and the E matches with the corresponding time on the one;If for example,
The corresponding time on the one is divided into 24 hours, and the unit of x-axis is day, wherein the D is 0.3, and the E is 1.3, then
Difference between the D and the E is 1 day, if alternatively, the corresponding time on the one is divided into 1 day, and the unit of x-axis is
When, the D is 2, and the E is 26, and when the difference between the D and the E is 24, both of which indicates the D and institute
It is the corresponding time on the one to state the difference between E.Certainly, the D and E can also be other numerical value, not to this
It is defined.
In this way, by being set to the D and the E, and the difference between the D and the E is made to be described one day
The corresponding time is conducive to flexibly adjust the temperature diurnal variation curve letter according to various degree/day situations of change in practice
Several image, so that the accuracy of image is higher.
Optionally, the temperature diurnal variation curve function is SIN function or cosine function, the corresponding time on the one
For a minimum positive period of the temperature diurnal variation curve function.
Wherein, relatively sinusoidal a certain section of the shape of most of temperature diurnal variation curve in practice, especially
It is the similar image of SIN function or cosine function in a minimum positive period, that is, is exactly SIN function or cosine function one
Image in a minimum positive period is all relatively more suitable for fitting temperature diurnal variation curve in most cases.
Therefore the temperature diurnal variation curve function is established as SIN function or cosine function, and described one day corresponding
Time is a minimum positive period of the temperature diurnal variation curve function;It is equivalent to the temperature diurnal variation curve function
Image is limited to the image of SIN function or cosine function in a minimum positive period, and section also with actual timing statistics
Section is corresponding, in this way, can further make the image and temperature diurnal variation situation in practice of the temperature diurnal variation curve function
It is similar, to further increase accuracy.
Step 103 carries out integral operation to the temperature diurnal variation curve function, obtains the temperature diurnal variation curve letter
Several integral operationes are as a result, and using the integral operation result as the degree/day of the objective area.
Wherein, it needs first to saying the integral operation result as the principle of the degree/day of the objective area
It is bright:
Known is mainly at present to calculate degree/day by max. daily temperature and Daily minimum temperature to put down to the calculating of degree/day
Mean value, using degree/day average value as degree/day.However, in practice degree/day variation be by be similar to it is sinusoidal in a manner of go out
Existing, for example can be curve as shown in Figure 2;And if temperature diurnal variation curve is set as sine curve completely, i.e., such as
Sine curve shown in Fig. 3, wherein in coordinate system shown in Fig. 3, y is temperature, and x is the time, and A is max. daily temperature, and B is
Daily minimum temperature, C are curve initial end, and D is to calculate initial value, and E is to calculate end value, and F is curve end, and a is per day
Temperature, and S1、S2、S3、S4And S5Respectively represent area;Wherein, A is more than 0, B and is less than 0, is convenience of calculation, can become temperature day
The step size settings for changing initial end to the end of curve are 1, i.e. length between D and E is 1.So, if temperature shown as
If two Dimension Numerical Value, from figure 3, it can be seen that mean daily temperature can be expressed as a=(A+B)/2=S4+S2+S5, and actually
Degree/day be P=S1+S4+S5-S3, a is obviously unequal with P, i.e., the area of the diurnal variation curve CABE of practical degree/day and day
There are errors between the rectangular area of the straight line CFDE of mean temperature;Therefore, Fig. 3 can be sought with the method for integral operation
Shown in sinusoidal area, namely seek the area of the actual temperature diurnal variation curve of hypothesis, finally transport obtained integral
Result is calculated as degree/day, just corrects for above-mentioned error in this way so that result of calculation is more accurate.
And it is described to the temperature diurnal variation curve function carry out integral operation, can according to immediate integration, according to several
What figure is quadratured or the operation methods such as integration by substitution carry out integral operation, to this and is not construed as limiting.
In this way, being used as institute by the integral operation result for obtaining temperature diurnal variation curve function progress integral operation
The degree/day of objective area is stated, the area of image is more nearly the area of degree/day change curve in practice, to improve
The accuracy of temperature diurnal variation situation is expressed with degree/day.
Optionally, described that integral operation is carried out to the temperature diurnal variation curve function, it is bent to obtain the temperature diurnal variation
The integral operation of line function as a result, and using the integral operation result as the step of the degree/day of the objective area, including:
To describedIntegral operation is carried out, integral operation result is obtainedUsing the integral operation result as the degree/day of the objective area,
Wherein, describedFor the definite integral in the section of the D and the E, the dxFor the infinitesimal of x, the DE is that the E is subtracted
The difference that the D is obtained;Alternatively,
To describedIntegral operation is carried out, integral operation result is obtainedUsing the integral operation result as the day temperature of the objective area
Degree, wherein describedFor the definite integral in the section of the D and the E, the dxFor the infinitesimal of x, the DE is the E
Subtract the difference that the D is obtained.
In present embodiment, the f (x) as integrand is according to SIN function formula
Or cosine function formulaIt is obtained after A, B, D, DE are substituted into.It should be noted that described
Actually SIN function formulaOr cosine functionIn ω, i.e. first phase,
Due between the D and the E difference and a minimum positive period of the temperature diurnal variation curve function match,
It substitutes into the E and subtracts the difference DE that the D is obtained and can be obtainedIt is exemplary, it is described Or it is describedImage can curve as shown in Figure 3.
In this way, directly carrying out integral operation according to by formula, the efficiency for calculating degree/day can be promoted.
Optionally, the abscissa of the peak of the temperature diurnal variation curve function y=f (x) is the max. daily temperature A
Corresponding record time a, the abscissa of the minimum point adjacent with the peak is the Daily minimum temperature in the y=f (x)
The corresponding record time b of B.
Wherein, the corresponding record time a of the max. daily temperature A can refer to that the day highest is recorded in practice
The corresponding record time b of present time a when temperature A, the Daily minimum temperature B, can refer to that institute is recorded in practice
State time b present when Daily minimum temperature B.And the minimum point adjacent with the peak, can be one, Huo Zheye
It can be multiple, to this and be not construed as limiting.This is because in practice, it is understood that there may be some area be recorded max. daily temperature and
The special cases such as shorter or longer are differed between the time of Daily minimum temperature, for example, be recorded max. daily temperature time be 14
When, when the time that Daily minimum temperature is recorded is 17,3 hours are only differed between the two;Or Daily minimum temperature is recorded
Time be 3 when, and be recorded max. daily temperature time be 14 when, between the two then differ 11 hours length.And pass through by
The abscissa of the peak of the temperature diurnal variation curve function y=f (x) is the max. daily temperature A corresponding record times
A, when the abscissa of the minimum point adjacent with the peak is the corresponding records of the Daily minimum temperature B in the y=f (x)
Between b, then image can be made closer to the temperature diurnal variation situation of these special cases in practice.
In this way, can make the temperature diurnal variation curve function that can also meet some special situations, it is suitable to improve
Use range.
In the embodiment of the present invention, pass through the integral operation for obtaining temperature diurnal variation curve function progress integral operation
As a result the degree/day as the objective area can improve the accuracy that temperature diurnal variation situation is expressed with degree/day.
As shown in figure 4, the embodiment of the present invention provides a kind of device calculating degree/day, described device 400 includes:
Acquisition module 401, for obtaining max. daily temperature and Daily minimum temperature of the objective area in one day;
Module 402 is established, for according to the max. daily temperature and the Daily minimum temperature, establishing the objective area
Temperature diurnal variation curve function, wherein the image of the temperature diurnal variation curve function is sinusoidal shape;
Computing module 403 obtains becoming the temperature day for carrying out integral operation to the temperature diurnal variation curve function
Change the integral operation of curvilinear function as a result, and using the integral operation result as the degree/day of the objective area.
Optionally, the module 402 of establishing is for according to described in the max. daily temperature and Daily minimum temperature foundation
The temperature diurnal variation curve function y=f (x) of objective area;
Wherein, y is temperature, and x is the time, and x ∈ [D, E], the D and the E are real number and the D and the E
Between difference be the corresponding time on the one, the ordinate of the peak of the image of the y=f (x) is A, the y=f
(x) ordinate of the minimum point of image is B, and the A is the max. daily temperature, and the B is the Daily minimum temperature.
Optionally, the temperature diurnal variation curve function is SIN function or cosine function, the corresponding time on the one
For a minimum positive period of the temperature diurnal variation curve function.
Optionally, the computing module 403 is used for describedIt is accumulated
Partite transport is calculated, and integral operation result is obtainedThe integral operation result is made
For the degree/day of the objective area, wherein describedFor the definite integral in the section of the D and the E, the dxFor x
Infinitesimal, the DE be the E subtract the difference that the D is obtained;Alternatively,
The computing module 403 is used for describedIntegral operation is carried out,
Obtain integral operation resultUsing the integral operation result as described in
The degree/day of objective area, wherein describedFor the definite integral in the section of the D and the E, the dxFor the infinitesimal of x,
The DE is that the E subtracts the difference that the D is obtained.
In the embodiment of the present invention, the method provided in embodiment illustrated in fig. 1 may be implemented in device 400, i.e., in Fig. 1 embodiments
The method of offer can be realized by device 400, and can reach identical advantageous effect, no longer superfluous herein to avoid repeating
It states.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of method calculating degree/day, which is characterized in that including:
Obtain max. daily temperature and Daily minimum temperature of the objective area in one day;
According to the max. daily temperature and the Daily minimum temperature, the temperature diurnal variation curve function of the objective area is established,
Wherein, the image of the temperature diurnal variation curve function is sinusoidal shape;
Integral operation is carried out to the temperature diurnal variation curve function, obtains the integral operation of the temperature diurnal variation curve function
As a result, and using the integral operation result as the degree/day of the objective area.
2. according to the method described in claim 1, it is characterized in that, described according to the max. daily temperature and the day lowest temperature
Degree, establishes the temperature diurnal variation curve function of the objective area, including:
The temperature diurnal variation curve function y=of the objective area is established according to the max. daily temperature and the Daily minimum temperature
f(x);
Wherein, y is temperature, and x is the time, and x ∈ [D, E], the D and the E are between real number and the D and the E
Difference be the corresponding time on the one, the ordinate of the peak of the image of the y=f (x) is A, the y=f (x)
The ordinate of the minimum point of image is B, and the A is the max. daily temperature, and the B is the Daily minimum temperature.
3. according to the method described in claim 2, it is characterized in that, the temperature diurnal variation curve function is SIN function or remaining
String function, the corresponding time on the one are a minimum positive period of the temperature diurnal variation curve function.
4. according to the method described in claim 3, it is characterized in that, described integrate the temperature diurnal variation curve function
Operation obtains the integral operation of the temperature diurnal variation curve function as a result, and using the integral operation result as the mesh
The step of marking the degree/day in area, including:
To describedIntegral operation is carried out, integral operation result is obtainedUsing the integral operation result as the degree/day of the objective area,
Wherein, describedFor the definite integral in the section of the D and the E, the dxFor the infinitesimal of x, the DE is that the E is subtracted
The difference that the D is obtained;Alternatively,
To describedIntegral operation is carried out, integral operation result is obtainedUsing the integral operation result as the day temperature of the objective area
Degree, wherein describedFor the definite integral in the section of the D and the E, the dxFor the infinitesimal of x, the DE is the E
Subtract the difference that the D is obtained.
5. according to the method described in claim 2, it is characterized in that, the highest of the temperature diurnal variation curve function y=f (x)
The abscissa of point is the corresponding record time a of the max. daily temperature A, in the y=f (x) it is adjacent with the peak most
The abscissa of low spot is the corresponding record time b of the Daily minimum temperature B.
6. a kind of device calculating degree/day, which is characterized in that including:
Acquisition module, for obtaining max. daily temperature and Daily minimum temperature of the objective area in one day;
Module is established, for according to the max. daily temperature and the Daily minimum temperature, establishing the temperature day of the objective area
Change curve function, wherein the image of the temperature diurnal variation curve function is sinusoidal shape;
Computing module obtains the temperature diurnal variation curve for carrying out integral operation to the temperature diurnal variation curve function
The integral operation of function is as a result, and using the integral operation result as the degree/day of the objective area.
7. device according to claim 6, which is characterized in that it is described establish module for according to the max. daily temperature and
The Daily minimum temperature establishes the temperature diurnal variation curve function y=f (x) of the objective area;
Wherein, y is temperature, and x is the time, and x ∈ [D, E], the D and the E are between real number and the D and the E
Difference be the corresponding time on the one, the ordinate of the peak of the image of the y=f (x) is A, the y=f (x)
The ordinate of the minimum point of image is B, and the A is the max. daily temperature, and the B is the Daily minimum temperature.
8. device according to claim 7, which is characterized in that the temperature diurnal variation curve function is SIN function or remaining
String function, the corresponding time on the one are a minimum positive period of the temperature diurnal variation curve function.
9. device according to claim 8, which is characterized in that the computing module is used for describedIntegral operation is carried out, integral operation result is obtained
Using the integral operation result as the degree/day of the objective area, wherein describedFor in the section of the D and the E
Interior definite integral, the dxFor the infinitesimal of x, the DE is that the E subtracts the difference that the D is obtained;Alternatively,
The computing module is used for describedIntegral operation is carried out, is accumulated
Divide operation resultAs the target using the integral operation result
The degree/day in area, wherein describedFor the definite integral in the section of the D and the E, the dxIt is described for the infinitesimal of x
DE is that the E subtracts the difference that the D is obtained.
10. device according to claim 7, which is characterized in that the highest of the temperature diurnal variation curve function y=f (x)
The abscissa of point is the corresponding record time a of the max. daily temperature A, in the y=f (x) it is adjacent with the peak most
The abscissa of low spot is the corresponding record time b of the Daily minimum temperature B.
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CN110502827A (en) * | 2019-08-19 | 2019-11-26 | 华能澜沧江水电股份有限公司 | React the Temperature of Concrete Dam field analogy method of outside air temperature diurnal variation |
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CN116186560A (en) * | 2023-04-26 | 2023-05-30 | 江西师范大学 | Temperature similarity characterization method based on effective thermodynamic temperature value |
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CN110502827A (en) * | 2019-08-19 | 2019-11-26 | 华能澜沧江水电股份有限公司 | React the Temperature of Concrete Dam field analogy method of outside air temperature diurnal variation |
CN110502827B (en) * | 2019-08-19 | 2022-03-15 | 华能澜沧江水电股份有限公司 | Concrete dam temperature field simulation method reflecting daily change of outside air temperature |
CN116186560A (en) * | 2023-04-26 | 2023-05-30 | 江西师范大学 | Temperature similarity characterization method based on effective thermodynamic temperature value |
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