CN102914705B - Method and method for selecting test points of artificial electromagnetic material unit - Google Patents
Method and method for selecting test points of artificial electromagnetic material unit Download PDFInfo
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- CN102914705B CN102914705B CN201110222416.4A CN201110222416A CN102914705B CN 102914705 B CN102914705 B CN 102914705B CN 201110222416 A CN201110222416 A CN 201110222416A CN 102914705 B CN102914705 B CN 102914705B
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Abstract
The embodiment of the invention provides a method and a method for selecting test points of an artificial electromagnetic material unit. The method comprises the steps of: obtaining a parameter of the artificial electromagnetic material unit to be tested, a value range of the parameter and the parameter level; structuring a uniform design table by a good lattice point method according to the parameter of the artificial electromagnetic material unit, the value range of the parameter and the parameter level; obtaining electromagnetic response data of an initial test point sequence in the uniform design table, and analyzing the value range of the electromagnetic response data with a dramatic change, generating a new test point by a test method for Latin; combining the new test point with the initial test point into a final test point sequence, and selecting the test point of the artificial electromagnetic material unit indicated by the final test point sequence. By execution of the method disclosed by the embodiment of the invention, the uniformity of test points is ensured; test resources are saved, and the test design is optimized.
Description
Technical field
The present invention relates to Meta Materials field, be specifically related to a kind of testing site choosing method and device of artificial electromagnetic material unit.
Background technology
Along with the development of Meta Materials technology, the description of artificial electromagnetic material structural unit electromagnetic property plays vital effect to artificial electromagnetic material the Automation Design, the electromagnetic property of measurement artificial electromagnetic material structural unit is an important step in artificial electromagnetic material design process, the shape of artificial electromagnetic material and size can affect its electromagnetic property, therefore, in the process of electromagnetic property measuring artificial electromagnetic material unit, need to choose a large amount of testing sites to test.
At present, the testing site choosing method of artificial material unit is: see Fig. 1, is the schematic diagram of the testing site choosing method of prior art artificial material unit.Such as test a kind of metamaterial unit of " work " type topological structure, the geometric parameter of definition is G vector [a, b, w], suppose parameter a, b, [1 is respectively with the span of w tri-parameter, 4], [1,3], [0.1,, and sample point number corresponding to each geometric parameter is 4,3 and 2 0.2].Carry out choosing of testing site according to orthogonal design method, need to select 24 testing sites as shown in table 1 below to complete test, obtain orthogonal arrage according to Orthogonal Experiment and Design principle as shown in table 1 below:
| Sequence number | a | b | W |
| 1 | 1 | 1 | 0.1 |
| 2 | 1 | 1 | 0.2 |
| 3 | 1 | 2 | 0.1 |
| 4 | 1 | 2 | 0.2 |
| 5 | 1 | 3 | 0.1 |
| 6 | 1 | 3 | 0.2 |
| 7 | 2 | 1 | 0.1 |
| 8 | 2 | 1 | 0.2 |
| 9 | 2 | 2 | 0.1 |
| 10 | 2 | 2 | 0.2 |
| 11 | 2 | 3 | 0.1 |
| 12 | 2 | 3 | 0.2 |
| 13 | 3 | 1 | 0.1 |
| 14 | 3 | 1 | 0.2 |
| 15 | 3 | 2 | 0.1 |
| 16 | 3 | 2 | 0.2 |
| 17 | 3 | 3 | 0.1 |
| 18 | 3 | 3 | 0.2 |
| 19 | 4 | 1 | 0.1 |
| 20 | 4 | 1 | 0.2 |
| 21 | 4 | 2 | 0.1 |
| 22 | 4 | 2 | 0.2 |
| 23 | 4 | 3 | 0.1 |
| 24 | 4 | 3 | 0.2 |
Table 1
To in the research and practice process of prior art, the present inventor finds, if the testing site choosing method of existing artificial electromagnetic material structural unit apply to multiple parameter and the sample of multiple parameter is counted out more time, then to choose a large amount of testing sites.Too much testing site can consume a large amount of resources.
Summary of the invention
The embodiment of the present invention provides a kind of testing site choosing method of artificial electromagnetic material unit, comprising:
Obtain the parameter of artificial electromagnetic material unit to be measured, the span of described parameter and parameter level;
According to the parameter of described artificial electromagnetic material unit, the span of described parameter and parameter level, by good grid point method structure uniform designs table;
Obtain the electromagnetic response data of the initial trial point sequence in described uniform designs table, and analyze the violent span of electromagnetic response data variation;
In described span, utilize Latin test method to generate new testing site, new testing site and initial trial point are combined as final testing site sequence;
Choose the testing site of the artificial electromagnetic material unit of described final testing site sequence instruction.
Correspondingly, the present invention also provides a kind of testing site selecting device of artificial electromagnetic material unit, comprising:
Parameter acquisition module, for obtaining the parameter of artificial electromagnetic material unit to be measured, the span of described parameter and parameter level;
Initial module, for according to the parameter of described artificial electromagnetic material unit, the span of described parameter and parameter level, by good grid point method structure uniform designs table;
Scope acquisition module, for obtaining the electromagnetic response data of the initial trial point sequence in described uniform designs table, and analyzes the violent span of electromagnetic response data variation;
Testing site generation module, in described span, utilizes Latin test method to generate new testing site, and new testing site and initial trial point are combined as final testing site sequence;
Module is chosen in testing site, for choosing the testing site of the artificial electromagnetic material unit of described final testing site sequence instruction.
The embodiment of the present invention is by obtaining the parameter of artificial electromagnetic material unit to be measured, the span of described parameter and parameter level; According to the parameter of described artificial electromagnetic material unit, the span of described parameter and parameter level, calculate testing site sequence by even Law Latin; Choose the testing site of the artificial electromagnetic material unit of described testing site sequence instruction.Ensure that homogeneity and the representativeness of testing site, saved test resource, optimized test design.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the testing site choosing method of prior art artificial material unit
Fig. 2 is the process flow diagram of the testing site choosing method of the artificial electromagnetic material unit that first embodiment of the invention provides;
Fig. 3 is the process flow diagram of the testing site choosing method of a kind of artificial electromagnetic material unit that second embodiment of the invention provides;
Fig. 4 is the structural representation of the testing site selecting device of the artificial electromagnetic material unit of the embodiment of the present invention three.
Embodiment
The embodiment of the present invention provides a kind of testing site choosing method and device of artificial electromagnetic material unit.Below be described in detail respectively.
The process flow diagram of the testing site choosing method of a kind of artificial electromagnetic material unit of the embodiment of the present invention one can with reference to figure 2, and the method comprises:
Step 101, obtains the parameter of artificial electromagnetic material unit to be measured, the span of described parameter and parameter level.
Step 102, according to the parameter of described artificial electromagnetic material unit, the span of described parameter and parameter level, by good grid point method structure uniform designs table.
Step 103, obtains the electromagnetic response data of the initial trial point sequence in described uniform designs table, and analyzes the violent span of electromagnetic response data variation.
Step 104, in described span, utilizes Latin test method to generate new testing site, and new testing site and initial trial point are combined as final testing site sequence.
Step 105, chooses the testing site of the artificial electromagnetic material unit of described final testing site sequence instruction.
The embodiment of the present invention, by according to the parameter of described artificial electromagnetic material unit, the span of described parameter and parameter level, constructs uniform designs table by good grid point method; Obtain the electromagnetic response data of the initial trial point sequence in described uniform designs table, and analyze the violent span of electromagnetic response data variation; In described span, utilize Latin test method to generate new testing site, new testing site and initial trial point are combined as final testing site sequence, ensure that the spatially uniform that initial trial point is chosen and neat comparability; The test corresponding data that testing site place carries out selected by first time is utilized to instruct second time testing site to choose process, and utilize uniform experiment design method to ensure the homogeneity of institute's reconnaissance, thus obtain more rational testing site sequence, achieve and choose less testing site to complete test, that reduces testing site chooses number, save test resource, optimize test design.
The process flow diagram of the testing site choosing method of a kind of artificial electromagnetic material unit of the embodiment of the present invention two can with reference to figure 3, and the method comprises:
Step 201, obtains the parameter of artificial electromagnetic material unit to be measured, the span of described parameter and parameter level.
Such as, choose in ' work ' type metamaterial modular construction as shown in Figure 1 and test, and geometric parameter corresponding in definition structure is [a, b, w], G=[a, b, w] is geometric parameter vector.The span of parameter a, b is respectively [1.60,3.00], [0.05,1.45], and w is 0.2, and sample point number (level that parameter is corresponding) corresponding to each parameter is respectively 4,4,1.
Step 202, according to the parameter of described artificial electromagnetic material unit, the span of described parameter and parameter level, by good grid point method structure uniform designs table.
Suppose that we need to do n Electromagnetic Simulation experiment, wherein n is the lowest common multiple of sample point number corresponding to each parameter.Find the positive integer h less than n, and make n with h become relatively prime relation.Vectorial h, a h=(h is formed meeting these positive integers required
1, h
2, Λ, h
m), wherein m is by Euler's function
determine.Use congruence, generate the jth row of uniform designs table, as follows
u
ij＝ih
j[mod n]
Work as ih
jwhen being greater than n, we deduct a suitable multiple of n with it, and its difference is dropped among [1, n].U
ijcan be generated by following formula recursion:
u
1j＝h
j
wherein i=1, Λ, n-1
Use centralization L2-deviation, estimate the homogeneity of evenly table, get the minimum even table of deviation as experimental design table, be denoted as U
n(n
s).
The information experimentally shown, experiment arrangement.Still for the information that Fig. 1 provides, according to above-mentioned experiment table aufbauprinciple, generate and evenly show U
4(4
2) table as follows
| Sequence number | Parameter 1 | Parameter 2 |
| 1 | 1 | 3 |
| 2 | 2 | 2 |
| 3 | 3 | 1 |
| 4 | 4 | 4 |
Table 3
The corresponding CD of this table
2-to be worth be 0.1350.This also means that the homogeneity of this table is comparatively than good
Each number of levels of a, b is corresponding with every column information in even showing, and w is placed on the 3rd row, so generate following design table,
| Sequence number | a | b | w |
| 1 | 1.6000 | 0.9833 | 0.2 |
| 2 | 2.0667 | 0.5167 | 0.2 |
| 3 | 2.5333 | 0.0500 | 0.2 |
| 4 | 3.0000 | 1.4500 | 0.2 |
Table 4
Step 203, obtains the electromagnetic response data of the initial trial point sequence in described uniform designs table, and analyzes the violent span of electromagnetic response data variation.
Step 204, in described span, utilizes Latin test method to generate new testing site, and new testing site and initial trial point are combined as final testing site sequence.
With Latin square experimental design method in the parameter area of locking, carry out the 2nd Electromagnetic Simulation experimental point and choose.Utilize uniform experiment design method to carry out testing site to above-mentioned zone to choose.As for above-mentioned ' work ' type metamaterial modular construction, suppose that the change of electromagnetic parameter value is violent between the 1 to the 2 testing site, then in the region [1.6000 of parameter a, 2.0667] and the region [0.5167 of parameter b, 0.9833], in region, (we design the total experiment sum being less than Orthogonal Experiment and Design and arranging of twice test to each collection n2 sample point, in this example, design n2=8), use circulation Latin method to carry out second time testing site and choose.Use the tactic pattern of balance antagonism design, generate the jth row of experimental design table, as follows
U
i, 1=i, if i=1,2..., n
U
1, j=i, if j=1,2..., n
Step 205, chooses the testing site of the artificial electromagnetic material unit of described final testing site sequence instruction.
The embodiment of the present invention, by according to the parameter of described artificial electromagnetic material unit, the span of described parameter and parameter level, constructs uniform designs table by good grid point method; Obtain the electromagnetic response data of the initial trial point sequence in described uniform designs table, and analyze the violent span of electromagnetic response data variation; In described span, utilize Latin test method to generate new testing site, new testing site and initial trial point are combined as final testing site sequence, ensure that the spatially uniform that initial trial point is chosen and neat comparability; The test corresponding data that testing site place carries out selected by first time is utilized to instruct second time testing site to choose process, and utilize uniform experiment design method to ensure the homogeneity of institute's reconnaissance, thus obtain more rational testing site sequence, achieve and choose less testing site to complete test, that reduces testing site chooses number, save test resource, optimize test design.
The structural representation of the testing site selecting device of a kind of artificial electromagnetic material unit of the embodiment of the present invention three can with reference to figure 4, and this device specifically comprises:
Parameter acquisition module 11, for obtaining the parameter of artificial electromagnetic material unit to be measured, the span of described parameter and parameter level;
Such as, choose geometric parameter for (a, b), the span of each parameter is respectively [0.25,1], [0.25,1].The horizontal number of value of each parameter is respectively 4 and 4.
Initial module 12, for according to the parameter of described artificial electromagnetic material unit, the span of described parameter and parameter level, by good grid point method structure uniform designs table;
Scope acquisition module 13, for obtaining the electromagnetic response data of the initial trial point sequence in described uniform designs table, and analyzes the violent span of electromagnetic response data variation;
Testing site generation module 14, in described span, utilizes Latin test method to generate new testing site, and new testing site and initial trial point are combined as final testing site sequence;
Module 15 is chosen in testing site, for choosing the testing site of the artificial electromagnetic material unit of described final testing site sequence instruction.
The embodiment of the present invention, by according to the parameter of described artificial electromagnetic material unit, the span of described parameter and parameter level, constructs uniform designs table by good grid point method; Obtain the electromagnetic response data of the initial trial point sequence in described uniform designs table, and analyze the violent span of electromagnetic response data variation; In described span, utilize Latin test method to generate new testing site, new testing site and initial trial point are combined as final testing site sequence, ensure that the spatially uniform that initial trial point is chosen and neat comparability; The test corresponding data that testing site place carries out selected by first time is utilized to instruct second time testing site to choose process, and utilize uniform experiment design method to ensure the homogeneity of institute's reconnaissance, thus obtain more rational testing site sequence, achieve and choose less testing site to complete test, that reduces testing site chooses number, save test resource, optimize test design.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is that the hardware that can carry out instruction relevant by program has come, this program can be stored in a computer-readable recording medium, and storage medium can comprise: ROM, RAM, disk or CD etc.
Above the method and apparatus that the embodiment of the present invention provides is described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a testing site choosing method for artificial electromagnetic material unit, is characterized in that, comprising:
Obtain the parameter of artificial electromagnetic material unit to be measured, the span of described parameter and parameter level;
According to the parameter of described artificial electromagnetic material unit, the span of described parameter and parameter level, by good grid point method structure uniform designs table;
Obtain the electromagnetic response data of the initial trial point sequence in described uniform designs table, and analyze the violent span of electromagnetic response data variation;
In described span, utilize Latin test method to generate new testing site, new testing site and initial trial point are combined as final testing site sequence;
Choose the testing site of the artificial electromagnetic material unit of described final testing site sequence instruction.
2. the method for claim 1, is characterized in that, described generation final testing site sequence is specially:
By Latin test design method, generate final testing site sequence.
3. the method for claim 1, is characterized in that, the shape of described parameter instruction artificial electromagnetic material unit or size.
4. the method for claim 1, is characterized in that, described parameter has two value levels at least.
5. the method for claim 1, is characterized in that, described artificial electromagnetic material unit at least comprises two parameters.
6. a testing site selecting device for artificial electromagnetic material unit, is characterized in that, comprising:
Parameter acquisition module, for obtaining the parameter of artificial electromagnetic material unit to be measured, the span of described parameter and parameter level;
Initial module, for according to the parameter of described artificial electromagnetic material unit, the span of described parameter and parameter level, by good grid point method structure uniform designs table;
Scope acquisition module, for obtaining the electromagnetic response data of the initial trial point sequence in described uniform designs table, and analyzes the violent span of electromagnetic response data variation;
Testing site generation module, in described span, utilizes Latin test method to generate new testing site, and new testing site and initial trial point are combined as final testing site sequence;
Module is chosen in testing site, for choosing the testing site of the artificial electromagnetic material unit of described final testing site sequence instruction.
7. device as claimed in claim 6, it is characterized in that, described generation final testing site sequence is specially:
By Latin test design method, generate final testing site sequence.
8. device as claimed in claim 6, is characterized in that, the shape of described parameter instruction artificial electromagnetic material unit or size.
9. device as claimed in claim 6, it is characterized in that, described parameter has two value levels at least.
10. device as claimed in claim 6, it is characterized in that, described artificial electromagnetic material unit at least comprises two parameters.
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| CN101923590A (en) * | 2010-08-16 | 2010-12-22 | 北京理工大学 | High-efficiency Latin hypercube experimental design method |
| CN102768312A (en) * | 2011-04-30 | 2012-11-07 | 深圳光启高等理工研究院 | Test point selection method and device for artificial electromagnetic material unit |
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| CN101923590A (en) * | 2010-08-16 | 2010-12-22 | 北京理工大学 | High-efficiency Latin hypercube experimental design method |
| CN102768312A (en) * | 2011-04-30 | 2012-11-07 | 深圳光启高等理工研究院 | Test point selection method and device for artificial electromagnetic material unit |
Non-Patent Citations (1)
| Title |
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| 曾昭钧.试验设计的发展简介.《均匀设计及其应用》.中国医药科技出版社,2005,1-25,43-98. * |
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