CN106650094A - Method for calculating tolerance of microwave device design parameters - Google Patents
Method for calculating tolerance of microwave device design parameters Download PDFInfo
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- CN106650094A CN106650094A CN201611194027.4A CN201611194027A CN106650094A CN 106650094 A CN106650094 A CN 106650094A CN 201611194027 A CN201611194027 A CN 201611194027A CN 106650094 A CN106650094 A CN 106650094A
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Abstract
The invention discloses a method for calculating the tolerance of microwave device design parameters. The method comprises the steps that at least two microwave device design parameters and a target performance parameter requested by a user are determined; the function relation between the determined at least two microwave device design parameters and the determined target performance parameter is acquired; the parameter range of the target performance parameter requested by the user is determined; the tolerance of the at least two microwave device design parameters is obtained through calculation according to the determined parameter range of the target performance parameter and the function relation. According to the method, on the basis of guaranteeing that the actual microwave performance of a microwave device reaches the standard, the design and manufacturing efficiency of the microwave device is improved.
Description
Technical field
The invention belongs to microwave passive component technical field, more particularly to a kind of tolerance calculating of microwave components design parameter
Method.
Background technology
Simulating, verifying can be carried out to designed microwave device using Microwave simulation software in microwave designing, and be obtained
The performance of the S parameter of microwave device under various designs, then, can further analyze various designs meet microwave device
Actual performance demand.Wherein, if showing that certain design meets the actual performance need of microwave device by Microwave simulation software analysis
Ask, then can enter the process segment, corresponding the designing a model of this certain design is processed into sample and carries out actual test.
By comparison, the microwave device that the actual test result of microwave device performance is often obtained with emulation
There is a certain distance between the test result of energy, and under some specific scene conditions, the gap is likely to result in micro-
The design of wave device can not meet actual performance requirement.This phenomenon is actually present in for a long time microwave components design field.Make
Topmost reason into this phenomenon is dispersed presence due to mismachining tolerance and material behavior, the ginseng of simulation model
Number is arranged and the parameter and real material characteristic of reality processing samples devices are not quite identical, is not considering simulation calculation error
In the case of, both performances are different certainly.On the other hand, just because of mismachining tolerance and the dispersiveness of material behavior
The performance of presence device there is uncertainty, and there are some important parameter sensitive issues, i.e., this kind of parameter
Minor variations will cause the drastically change of device overall performance.
In sum, in order on the basis of the actual microwave property for ensureing microwave device is up to standard, improve microwave device
Design and manufacture efficiency, need at present a kind of tolerance that can be according to microwave property parameter request to the design parameter of microwave device badly
The method for being calculated.
The content of the invention
The technology solve problem of the present invention：Overcome the deficiencies in the prior art, there is provided a kind of appearance of microwave components design parameter
Difference computational methods, on the basis of the actual microwave property for ensureing microwave device is up to standard, improve the design and manufacture of microwave device
Efficiency.
In order to solve above-mentioned technical problem, the invention discloses a kind of tolerance computational methods of microwave components design parameter,
Including：
Determine at least two microwave components design parameters that user is asked, and, target capabilities parameter；
Obtain between at least two microwave components design parameters of the determination and the target capabilities parameter of the determination
Functional relation；
Determine the parameter area of the target capabilities parameter that user is asked；
According to the parameter area and the functional relation of the target capabilities parameter of the determination, described at least two are calculated
The tolerance of individual microwave components design parameter.
In the tolerance computational methods of above-mentioned microwave components design parameter, methods described also includes：
Predefine and preserve at least two microwave components designs parameter and the determination target capabilities parameter it
Between functional relation.
In the tolerance computational methods of above-mentioned microwave components design parameter, determine that described at least two is micro- as follows
Functional relation between wave device design parameter and the target capabilities parameter of the determination：
Using at least two microwave components designs parameter as Microwave simulation at least two |input parametes；
According to the corresponding setting error range of each microwave components design parameter, at least two |input paramete is carried out
Value；
Using Microwave simulation algorithm, at least two |input paramete corresponding Objective in different values is calculated
The value of energy parameter；
According to the result of calculation that the Microwave simulation is calculated, using each |input paramete as the base of hyperspace, described many
Mathematical modeling is carried out in dimension space, the corresponding pass between at least two |input paramete and the target capabilities parameter is obtained
System.
In the tolerance computational methods of above-mentioned microwave components design parameter, the target capabilities parameter, including：At least one
Microwave property parameter；
Wherein, the employing Microwave simulation algorithm, is calculated at least two |input paramete in different values pair
The value of the target capabilities parameter answered, including：
Using Microwave simulation algorithm, being calculated at least two |input paramete, corresponding in different values each is micro-
The value of ripple performance parameter；
When the microwave property parameter is one, microwave property parameter is calculated using Microwave simulation algorithm
Value, using the value of calculated one microwave property parameter as at least two |input paramete in different values pair
The value of the target capabilities parameter answered；
When the microwave property parameter is multiple, multiple microwave property parameters are calculated using Microwave simulation algorithm
Value, according to each corresponding weight of microwave property parameter, carries out adding to the value of calculated multiple microwave property parameters
Power summation, using summed result as at least two |input paramete corresponding target capabilities parameter in different values value.
It is described to determine the target capabilities ginseng that user is asked in the tolerance computational methods of above-mentioned microwave components design parameter
Several parameter areas, including：
Receive configuring request；Wherein, each microwave under the target capabilities parameter is carried in the configuring request
The parameter area of energy parameter；
According to each corresponding weight of microwave property parameter, to the target capabilities parameter carried in the configuring request
Under the parameter area of each microwave property parameter be weighted summation, the target that summed result is asked as the user
The parameter area of performance parameter.
In the tolerance computational methods of above-mentioned microwave components design parameter, the microwave property parameter, including：Standing-wave ratio,
Isolation and insertion loss.
In the tolerance computational methods of above-mentioned microwave components design parameter, the target capabilities parameter according to the determination
Parameter area and the functional relation, be calculated the tolerance of at least two microwave components designs parameter, including
Using the parameter area of the target capabilities parameter of the determination as search input value；
According to the functional relation, scanned for using evolution algorithm, obtain the ginseng of the target capabilities parameter of the determination
The excursion of at least two microwave components designs parameter corresponding to number scope；
The excursion of at least two microwave components designs parameter for obtaining is defined as at least two microwave
The tolerance of device designables.
In the tolerance computational methods of above-mentioned microwave components design parameter, the evolution algorithm is：PSO particle cluster algorithms,
Any one in NSGA-II algorithms and MOEA/D algorithms.
In the tolerance computational methods of above-mentioned microwave components design parameter, the microwave components design parameter, including：Microwave
The parameters of structural dimension of device, planform parameter and material property parameter.
The present invention has advantages below：
The tolerance computational methods of microwave components design parameter of the present invention, by error range, setting up multiple
Microwave components design parameter and the corresponding relation of microwave property parameter, realize device is designed according to microwave property parameter requests
The tolerance of parameter is calculated, and then on the basis of the actual microwave property for ensureing microwave device is up to standard, improves microwave device
Design and manufacture efficiency.
Description of the drawings
The step of Fig. 1 is the tolerance computational methods of a kind of microwave components design parameter in embodiment of the present invention flow chart；
The step of Fig. 2 is the tolerance computational methods of another microwave components design parameter in embodiment of the present invention flow chart.
Specific embodiment
It is public to the present invention below in conjunction with accompanying drawing to make the object, technical solutions and advantages of the present invention clearer
Embodiment is described in further detail.
With reference to Fig. 1, the step of show the tolerance computational methods of a kind of microwave components design parameter in the embodiment of the present invention
Flow chart.In the present embodiment, the tolerance computational methods of the microwave components design parameter, including：
Step 101, determines at least two microwave components design parameters that user is asked, and, target capabilities parameter.
In the present embodiment, microwave components design parameter is included but are not limited to：The parameters of structural dimension of microwave device, knot
Structure form parameter and material property parameter.In actual applications, user can according to the actual requirements determine and need to carry out tolerance to ask
At least two microwave components design parameters of solution, and, it is determined that based at least two microwaves for needing to carry out tolerance solution
The expectation target performance reached required for device designables, that is, determining corresponding target capabilities parameter.
Wherein, the target capabilities parameter can include at least one microwave property parameter, that is, target capabilities ginseng
Number can be according to any one or more microwave property parameter determinations.The microwave property parameter is included but are not limited to：Standing wave
Than, isolation and insertion loss.
In order to improve computational efficiency, when microwave device is related to the index request of multiple microwave property parameters, can pass through
Summation is weighted to the microwave property parameter no less than two, the result of the weighted sum is defined as into target capabilities ginseng
Number, and then the situation that the situation of multiple target performance parameter is converted into simple target performance parameter is calculated.Need explanation
It is, in actual applications, it is also possible to each microwave property parameter is calculated respectively respectively, therefore whether the present invention is to carrying out
Weighted sum process is not limited.
Step 102, the target capabilities of at least two microwave components design parameters and the determination that obtain the determination are joined
Functional relation between number.
In the present embodiment, can pre-build and preserve any amount and the microwave components design parameter under combination and appoint
Functional relation between one target capabilities parameter.Preferably, methods described can also comprise the steps：Predefine and preserve
Functional relation between at least two microwave components designs parameter and the target capabilities parameter of the determination.
In the present embodiment, at least two microwave components designs parameter and institute can be specifically determined as follows
State the functional relation between the target capabilities parameter of determination：Using at least two microwave components designs parameter as Microwave simulation
At least two |input parametes；According to the corresponding setting error range of each microwave components design parameter, to described at least two
|input paramete carries out value；Using Microwave simulation algorithm, at least two |input paramete is calculated in different values pair
The value of the target capabilities parameter answered；According to the result of calculation that the Microwave simulation is calculated, using each |input paramete as hyperspace
Base, mathematical modeling is carried out in the hyperspace, obtain at least two |input paramete with the target capabilities parameter
Between corresponding relation.
In the present embodiment, it is further preferred that employing Microwave simulation algorithm described above, is calculated described at least two
Individual |input paramete the step of the value of corresponding target capabilities parameter, specifically can include in different values：Using Microwave simulation
Algorithm, is calculated the value of at least two |input paramete corresponding each microwave property parameter in different values；Work as institute
State microwave property parameter for one when, will be using calculated at least two |input paramete of Microwave simulation algorithm in difference
To be defined as at least two |input paramete corresponding in different values for the value of a corresponding microwave property parameter during value
The value of target capabilities parameter；
When the microwave property parameter is multiple, according to setting weight, the employing Microwave simulation algorithm is calculated
To at least two |input paramete in different values the value of corresponding multiple microwave property parameters be weighted process, obtain
To weighted results；The weighted results are defined as at least two |input paramete corresponding target capabilities in different values
The value of parameter.
Step 103, determines the parameter area of the target capabilities parameter that user is asked.
In the present embodiment, the parameter model of the target capabilities parameter can be determined according to the configuring request of user input
Enclose.Specifically, the step 103 can include：
Sub-step 1031, receives configuring request.
In the present embodiment, each microwave property parameter under the target capabilities parameter is carried in the configuring request
Parameter area.As it was previously stated, when the target capabilities parameter is a microwave property parameter, then taking in the configuring request
The parameter area for a microwave property parameter of band, can directly using the parameter area of a microwave property parameter as
The parameter area of the target capabilities parameter.When the target capabilities parameter includes two or more microwave property parameters
When, then the parameter area of the target capabilities parameter can be determined according to following sub-steps 1032.
Sub-step 1032, according to each corresponding weight of microwave property parameter, described in carrying in the configuring request
The parameter area of each microwave property parameter under target capabilities parameter is weighted summation, using summed result as the user
The parameter area of the target capabilities parameter asked.
Step 104, according to the parameter area and the functional relation of the target capabilities parameter of the determination, is calculated institute
State the tolerance of at least two microwave components design parameters.
In the present embodiment, the step 104 specifically can include：
Sub-step 1041, using the parameter area of the target capabilities parameter of the determination as search input value.
Sub-step 1042, according to the functional relation, is scanned for using evolution algorithm, obtains the Objective of the determination
The excursion of at least two microwave components designs parameter corresponding to the parameter area of energy parameter.
In the present embodiment, the evolution algorithm can with but be not limited only to be：PSO particle cluster algorithms, NSGA-II algorithms and
Any one in MOEA/D algorithms.Wherein, PSO particle cluster algorithms：Particle Swarm Optimization, population
Optimized algorithm；NSGA-II algorithms：The heredity of Non-dominated Sorted Genetic Algorithm-II non-dominated rankings
Algorithm II；MOEA/D algorithms：Multiobjective Evolutionary Algorithm based on
Decomposition, based on the multi-objective Evolutionary Algorithm for decomposing.
Sub-step 1043, by the excursion of at least two microwave components designs parameter for obtaining be defined as it is described extremely
The tolerance of few two microwave components design parameters.
On the basis of above-described embodiment, below to the microwave components design parameter by taking a concrete application scene as an example
Tolerance computational methods be described in detail.
In the present embodiment, two microwave components design parameters as |input paramete are respectively：Microwave device length ruler
Very little L, microwave device width dimensions D；Target capabilities parameter is insertion loss IL.With reference to Fig. 2, show in the embodiment of the present invention again
A kind of the step of tolerance computational methods of microwave components design parameter flow chart.The tolerance of the microwave components design parameter is calculated
Method is comprised the following steps that：
Step 201, according to the input of user, determines the error of microwave device length dimension L and microwave device width dimensions D
Scope.
In the present embodiment, it is determined that microwave device length dimension L and the error range of microwave device width dimensions D can be with
It is as follows：(L, D) | (L1～Ln, D1～Dn)}。
Step 202, carries out value in the error range, using Microwave simulation algorithm, determines that the microwave device is long
Degree size L and the functional relation between microwave device width dimensions D and insertion loss IL.
As it was previously stated, carrying out value in the error range, that is, take L=L1、L2、L3···Ln；D=D1、D2、
D3···Dn；Each value of two |input parametes is combined, a two-dimensional coordinate face, i.e. (L is formedx, Dy)。
In two-dimensional coordinate face (Lx, Dy) in carry out value, using such as CST Studio (CST Microwave simulation platforms), HFSS (High
Frequency Structure Simulator, Frequency Structure Simulator) etc. Microwave simulation platform to calculate each value corresponding
Insertion loss, and then one is set up for describing insertion loss with the bivariate of microwave device length L and microwave device width D
Function corresponding relation.
Step 203, obtains the allowed band of target capabilities parameter.
In the present embodiment, the allowed band of the target capabilities can be according to specific microwave property ginseng during practical application
Number requires to be input into by user.
Step 204, according to the bivariate function corresponding relation and the allowed band of the target capabilities parameter of acquisition, meter
Calculation obtains the tolerance of the microwave device length dimension L and microwave device width dimensions D.
In the present embodiment, the corresponding input of allowed band of target capabilities parameter described in evolution algorithm search can be adopted
The alterable scope of parameter, by the alterable scope that search is obtained the microwave device length dimension L and microwave are defined as
The tolerance of device widths dimension D.In actual applications, the evolution algorithm include PSO particle cluster algorithms, NSGA-II algorithms,
MOEA/D algorithms, and other any one appropriate algorithms, the present invention is not construed as limiting to this.
In sum, the tolerance computational methods of the microwave components design parameter described in the embodiment of the present invention, by error
In the range of, the corresponding relation of multiple microwave components design parameters and microwave property parameter is set up, realize and joined according to microwave property
Number requires to calculate the tolerance of device designables, and then is ensureing the actual microwave property of microwave device basis up to standard
On, improve design and the manufacture efficiency of microwave device.
The above, optimal specific embodiment only of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
All should be included within the scope of the present invention.
The content not being described in detail in description of the invention belongs to the known technology of professional and technical personnel in the field.
Claims (9)
1. a kind of tolerance computational methods of microwave components design parameter, it is characterised in that include：
Determine at least two microwave components design parameters that user is asked, and, target capabilities parameter；
Obtain the function between at least two microwave components design parameters of the determination and the target capabilities parameter of the determination
Relation；
Determine the parameter area of the target capabilities parameter that user is asked；
According to the parameter area and the functional relation of the target capabilities parameter of the determination, described at least two are calculated micro-
The tolerance of wave device design parameter.
2. method according to claim 1, it is characterised in that methods described also includes：
Predefine and preserve between at least two microwave components designs parameter and the target capabilities parameter of the determination
Functional relation.
3. method according to claim 2, it is characterised in that determine at least two microwave device as follows
Functional relation between design parameter and the target capabilities parameter of the determination：
Using at least two microwave components designs parameter as Microwave simulation at least two |input parametes；
According to the corresponding setting error range of each microwave components design parameter, at least two |input paramete is taken
Value；
Using Microwave simulation algorithm, at least two |input paramete corresponding target capabilities ginseng in different values is calculated
Several values；
It is empty in the multidimensional using each |input paramete as the base of hyperspace according to the result of calculation that the Microwave simulation is calculated
It is interior to carry out mathematical modeling, obtain the corresponding relation between at least two |input paramete and the target capabilities parameter.
4. method according to claim 3, it is characterised in that the target capabilities parameter, including：At least one microwave
Can parameter；
Wherein, the employing Microwave simulation algorithm, is calculated at least two |input paramete corresponding in different values
The value of target capabilities parameter, including：
Using Microwave simulation algorithm, at least two |input paramete corresponding each microwave in different values is calculated
The value of energy parameter；
When the microwave property parameter is one, the value of a microwave property parameter is calculated using Microwave simulation algorithm,
It is corresponding in different values using the value of calculated one microwave property parameter as at least two |input paramete
Target capabilities parameter value；
When the microwave property parameter is multiple, the value of multiple microwave property parameters is calculated using Microwave simulation algorithm,
According to each corresponding weight of microwave property parameter, the value of calculated multiple microwave property parameters is weighted and is asked
With, using summed result as at least two |input paramete corresponding target capabilities parameter in different values value.
5. method according to claim 4, it is characterised in that the ginseng of the target capabilities parameter that the determination user is asked
Number scope, including：
Receive configuring request；Wherein, each microwave property ginseng under the target capabilities parameter is carried in the configuring request
Several parameter areas；
According to each corresponding weight of microwave property parameter, under the target capabilities parameter of carrying in the configuring request
The parameter area of each microwave property parameter is weighted summation, the target capabilities that summed result is asked as the user
The parameter area of parameter.
6. method according to claim 4, it is characterised in that the microwave property parameter, including：Standing-wave ratio, isolation
And insertion loss.
7. method according to claim 1, it is characterised in that the parameter of the target capabilities parameter according to the determination
Scope and the functional relation, are calculated the tolerance of at least two microwave components designs parameter, including
Using the parameter area of the target capabilities parameter of the determination as search input value；
According to the functional relation, scanned for using evolution algorithm, obtain the parameter model of the target capabilities parameter of the determination
Enclose the excursion of the corresponding at least two microwave components designs parameter；
The excursion of at least two microwave components designs parameter for obtaining is defined as at least two microwave device
The tolerance of design parameter.
8. method according to claim 7, it is characterised in that the evolution algorithm is：PSO particle cluster algorithms, NSGA-II
Any one in algorithm and MOEA/D algorithms.
9. the method according to any one of claim 1-8, it is characterised in that the microwave components design parameter, including：It is micro-
The parameters of structural dimension of wave device, planform parameter and material property parameter.
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