CN110133001A - A kind of absorbing material characterization reflectivity evaluation method for failure - Google Patents
A kind of absorbing material characterization reflectivity evaluation method for failure Download PDFInfo
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- CN110133001A CN110133001A CN201910508650.XA CN201910508650A CN110133001A CN 110133001 A CN110133001 A CN 110133001A CN 201910508650 A CN201910508650 A CN 201910508650A CN 110133001 A CN110133001 A CN 110133001A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
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Abstract
The invention discloses a kind of absorbing materials to characterize reflectivity evaluation method for failure, comprising: the characteristics of for Stealth weapons equipment, reflectivity distribution feature is characterized in conjunction with coated on the absorbing material on Stealth weapons equipment, determines the information of Stealth weapons equipment characterization Reflectivity point；Identified characterization Reflectivity point is measured, the characterization reflectivity benchmark database of all characteristic points is created and is saved；It is equipped when Stealth weapons and delivers user, after a period of use, the characteristic distributions of characterization Reflectivity point are equipped according to the Stealth weapons, equip upper absorbing material visual inspection as a result, determining characteristic point to be assessed in conjunction with to coated on the Stealth weapons；The absorbing material characterization reflectivity for this feature point that measurement obtains is compared, assessed and determined maintenance and repair priority with the result in corresponding benchmark database by the characterization reflectivity for measuring characteristic point to be assessed.Pass through this method, absorbing material characterization reflectivity and frequency relation curve at measured target characteristic point can be directly acquired, and whether the characterization reflectivity for assessing absorbing material at this feature point fails, significantly reduce the Failure Assessment cost of Stealth weapons equipment, shorten the Failure Assessment period, improves Failure Assessment efficiency.
Description
Technical field
The present invention relates to absorbing material characterization albedo measurement and evaluation areas, more specifically, being related to a kind of suction wave material
Material characterization reflectivity evaluation method for failure.
Background technique
In recent years, with radar wave camouflage technology reach its maturity and its extensive use in military equipment, have successively
Stealth weapons equipment equips army.In Stealth weapons equipment during designing and developing, to realize weaponry integrally stealthy effect
Fruit, in the different parts of Stealth weapons equipment, is coated with a large amount of different shapeds in addition to by carrying out plastics design to weaponry
Number, the absorbing material of different size, different-thickness.Stealth weapons equip exfactory inspection qualification, delivery user uses a period of time
Afterwards, the absorbing material applied thereon can be with influence (high temperature, salt fog, solarization, the rain for the increase and use environment for using the time
Leaching etc.), absorbing property will necessarily be gradually reduced.Therefore, it is necessary to periodically equip upper absorbing material to being coated to Stealth weapons
Characterization reflectivity measures, and carries out maintenance and repair according to absorbing material of the measurement result to failure.
Existing national military standard proposes harsh requirement to the test environment and test condition of absorbing material performance identification measurement,
It must carry out the identification of absorbing material performance under field condition using far field method (generally Compact Range being needed to cooperate) or arch method indoors
Measurement, and it is the absorbing material coated on dressing plate that it, which requires measurement object,.And after Stealth weapons are equipped and deliver user, nothing
By the position or Stealth weapons equipment local environment for being Stealth weapons equipment surface coating absorbing material, it is unable to satisfy state
Measurement request is identified as defined in army's mark.
To realize under the conditions of Stealth weapons equip practical service environment, to coated on the suction wave material on Stealth weapons equipment
Material carry out Qualitative Identification measurement, there is an urgent need to develop it is a kind of adaptation Stealth weapons equipment practical service environment condition, be coated on
The absorbing material performance evaluation method for failure on Stealth weapons equipment surface.
Summary of the invention
Characterization reflectivity is one of the important indicator of absorbing material performance identification measurement, and the application is mainly for coated
Upper absorbing material characterization reflectance test is equipped to Stealth weapons and is proposed, it provides a kind of conveniently absorbing material characterization
Reflectivity check and evaluation means: characterizing reflectance test instrument by dedicated absorbing material, by carrying out to characteristic point to be assessed
Measurement, and data processing is carried out to measurement result using the absorbing material characterization reflectivity processing software specially developed, it is somebody's turn to do
Characteristic point absorbing material to be assessed characterizes reflectivity, mainly realizes following functions: inhaling to being coated on Stealth weapons equipment
Wave material performance carries out maintenance and repair work that is long-term, regularly monitoring and assess, and then Stealth weapons is instructed to equip；Maintenance dimension
After repairing, whether the absorbing material for detecting coating again has been restored to former technical requirement.
For this purpose, present applicant proposes a kind of absorbing materials to characterize reflectivity evaluation method for failure comprising following steps:
S101, characterization Reflectivity point: the characteristics of equipping for Stealth weapons is determined, in conjunction with coated on the Stealth weapons
Absorbing material on equipment characterizes reflectivity distribution feature, determines the information of Stealth weapons equipment characterization Reflectivity point；
S102, creation characteristic point benchmark database: the step S101 characterization Reflectivity point determined is measured, is created
It builds the characterization reflectivity benchmark database of all characteristic points and saves；
S103, characteristic point to be assessed is determined: when Stealth weapons equipment is after use after a period of time, according to the stealthy force
The characteristic distributions of device equipment characterization Reflectivity point equip upper absorbing material visual inspection in conjunction with to coated on the Stealth weapons
As a result, determining characteristic point to be assessed；
The characterization reflectivity of S104, measurement characteristic point to be assessed；
S105, measurement result assessment: by the absorbing material of the obtained characteristic point to be assessed of step S104 characterization reflectivity with
Step S102 obtains the comparison of the result in corresponding benchmark database, and whether assessment this feature point characterization reflectivity fails, until
It completes the absorbing material characterization reflectivity of all characteristic points to be assessed and the comparison of corresponding characteristic point benchmark database result, comment
Estimate；
S106, maintenance and repair priority is determined.
Further, in step s101, the information of identified Stealth weapons equipment characterization Reflectivity point includes
The locating position of characteristic point, quantity, and be numbered.
Further, in step s 103, the information of the characteristic point to be assessed of identified Stealth weapons equipment include to
Locating position, the quantity of characteristic point are assessed, and is numbered.
Further, in step S104, wave is inhaled according to characterization reflectivity Failure Assessment mission requirements, Stealth weapons equipment
Material characteristics point characteristic distributions, absorbing material characterize reflectance test instrument performance indicator, work out characterization reflectivity Failure Assessment and survey
Examination scheme, scheme include measurement order, test frequency range, polarization mode, measurement result precision and operating procedure.
Further, in step s 106, according to the base value of the characterization reflectivity and character pair point of characteristic point to be assessed
It is ranked up according to library deviation value size, the big characteristic point maintenance and repair priority of deviation value is high, the small characteristic point maintenance of deviation value
Priority of maintenance is low.
In this way, absorbing material characterization reflectivity and frequency relation curve at measured target characteristic point can be obtained,
Whether the characterization reflectivity that thus can assess absorbing material at this feature point fails.Absorbing material can be significantly reduced using this method
Reflectivity Failure Assessment cost is characterized, the Failure Assessment period is shortened, improves Failure Assessment efficiency.
Detailed description of the invention
Fig. 1 is a kind of absorbing material characterization reflectivity evaluation method for failure flow chart provided by the invention.
Fig. 2 is certain type invisbile plane absorbing material characteristic point distribution schematic diagram provided in an embodiment of the present invention.
Fig. 3 shows the characterization reflectance test instrument of absorbing material used in measurement.
Fig. 4 is that a certain characteristic point absorbing material characterizes albedo measurement on certain type invisbile plane provided in an embodiment of the present invention
As a result with benchmark database Comparative result.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.It is understood that tool described herein
Body embodiment is used only for explaining the present invention rather than limiting the invention.It also should be noted that for the ease of retouching
It states, only some but not all contents related to the present invention are shown in the drawings.Unless otherwise defined, used herein all
Technical and scientific term have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.Herein at this
The term used in the description of invention, which is only for the purpose of describing specific embodiments, is not intended to limit this hair
It is bright.Term " and or " used herein includes any and all combinations of one or more related listed items.
Fig. 1 shows a kind of absorbing material characterization reflectivity evaluation method for failure flow chart provided in an embodiment of the present invention,
This method comprises the following steps:
S101, characterization Reflectivity point is determined.The characteristics of for Stealth weapons equipment, in conjunction with coated on the Stealth weapons
Absorbing material on equipment characterizes reflectivity distribution feature, determines Stealth weapons equipment characterization Reflectivity point, including spy
Sign point locating position, quantity, and be numbered.
S102, creation characteristic point benchmark database.To the characterization Reflectivity point that step S101 is determined, surveyed one by one
Amount, creates the characterization reflectivity benchmark database of all characteristic points and saves.
By taking invisbile plane as an example, Fig. 2 is certain type invisbile plane complete machine absorbing material characteristic point distribution schematic diagram.Certain type is stealthy
Aircraft, in use, according to the invisbile plane surface wave-absorbing material distribution character, is completed whole in factory inspection and acceptance qualification, delivery user
Position, determination of amount locating for machine absorbing material characteristic point, and have the characterization reflectivity of all characteristic points of type invisbile plane
Benchmark database.
S103, characteristic point to be assessed is determined.It is equipped when Stealth weapons and delivers user, after a period of use, it is hidden according to this
Body weaponry characteristic point characteristic distributions equip upper absorbing material visual inspection as a result, really in conjunction with to coated on the Stealth weapons
Position, quantity locating for fixed characteristic point to be assessed, and be numbered.
For example, applying suction wave thereon since invisbile plane exfactory inspection is qualified, delivers user after a period of use
Material can be with the influence (high temperature, solarization, drenches with rain at salt fog) for the increase and use environment for using the time, and absorbing property must
It can so be gradually reduced.Therefore, it is necessary to periodically measure to the characterization reflectivity for being coated to absorbing material on the invisbile plane.It is right
When the invisbile plane complete machine absorbing material carries out characterization reflectivity Failure Assessment, first according to the invisbile plane absorbing material feature
Point characteristic distributions are visually inspected in conjunction with to coated on absorbing material on the invisbile plane as a result, determining locating for characteristic point to be assessed
Position, quantity carry out serial number and make a record.
S104, measurement & characterization reflectivity.It is equipped first according to characterization reflectivity Failure Assessment mission requirements, the Stealth weapons
Absorbing material characteristic point characteristic distributions, absorbing material characterization reflectance test instrument performance indicator etc., work out characterization reflectivity failure
Testing scheme is assessed, scheme includes personnel's marshalling and the division of labor, required equipment and attachment, measurement order, test frequency range, polarization side
Formula, measurement result precision and operating procedure, safety measure etc..According to characterization reflectivity Failure Assessment testing scheme, using suitable
Reflectance test instrument is characterized (referring to the authorization of the applicant in the absorbing material of Stealth weapons equipment practical service environment condition
0741587.6), to the Stealth weapons equipment absorbing material characteristic point utility model ZL 2,016 2 carries out characterization reflectivity one by one
Measurement.
Fig. 3 shows the characterization reflectance test instrument of absorbing material used in measurement.The absorbing material characterizes reflectivity and surveys
Trying instrument has electric drill shape, including body of a gun part, ergonomics handle etc., and the gun body part point is including body of a gun shell and sets
It is placed in the intracorporal optical waveguide probe of body of a gun shell and man-machine interaction unit etc., which is located at measuring instrument body of a gun front end, probe
It is externally a waveguide openings, for emitting/receive microwave signal.Measurement start before, according to test frequency range (L-band, S-band,
C-band, X-band, Ku wave band) microwave probe is chosen, it is connected to absorbing material characterization reflectance test instrument host；Booting preheating
Afterwards, test frequency range is arranged according to the probe connected automatically for host；Before formal measurement, need first to survey absorbing material characterization reflectivity
Examination instrument is calibrated.Calibration method: taking calibration assemblies corresponding with probe wave band, (short circuit load, the biasing short circuit of 1/4 wavelength are negative
Carry, matched load), respectively by calibration assemblies by load positioning pin of flange disc, to be inserted into probe mouth surface antenna ring flange on,
It is carried out using target absorbing material characterization reflectance test software (having authorized, software copyright, registration number: 2013SR054479)
Calibration data acquisition, and systematic error coefficient is calculated automatically, the amendment for subsequent reflection index of wave suction material calculated result；It is complete
After calibration, absorbing material characterization reflectance test instrument probe mouth surface antenna is pasted at tested invisbile plane characteristic point, is made
The absorbing material is tested invisbile plane surface wave-absorbing material where characterizing reflectance test instrument probe mouth surface antenna and this feature point
Fitting carries out data acquisition according to the serial number of step S103 label respectively one by one, obtains absorbing material at this feature point and surveys number
According to；Reflectance test software is characterized using target absorbing material, according to material measured data and error coefficient to obtained above
Measurement result calculates reflection index of wave suction material, and draws on a display screen, shows that absorbing material characterizes reflectivity at this feature point
Amplitude-frequency relation curve.
S105, measurement result assessment.The a certain characteristic point absorbing material characterization reflectivity results that step S104 is obtained with
This feature point benchmark database result that step S102 is obtained compares, and whether assessment this feature point characterization reflectivity fails.With this
Analogize, until completing all characteristic point absorbing materials characterization reflectivity results and corresponding characteristic point benchmark that step S103 is determined
Comparison, the assessment of database result.
Fig. 4 is that a certain characteristic point absorbing material characterizes albedo measurement result and benchmark database knot on certain type invisbile plane
Fruit comparison.
S106, maintenance and repair priority is determined.Reflectivity results are characterized to a certain characteristic point absorbing material in step S105
Be determined as it is unqualified, then record this feature point absorbing material characterization reflectivity results and benchmark database in character pair point characterize
Reflectivity results deviation value.Reflectivity results deviation value size is characterized according to characteristic point, to all unqualified characteristic points by deviation
The sequence of value from big to small is ranked up, and the big characteristic point maintenance and repair priority of deviation value is high, the small characteristic point dimension of deviation value
It is low to protect priority of maintenance.
After determining unqualified characteristic point maintenance and repair priority, according to unqualified characteristic point quantity, characteristic point characterization reflection
Rate result deviation value size, characterization reflectivity technical requirement and maintenance and repair priority etc., work out the invisbile plane complete machine
Maintenance and repair scheme.After completing all unqualified characteristic point maintenance and repairs according to complete machine maintenance and repair scheme, step S104 is repeated
~S106 verifies unqualified characteristic point maintenance and repair effect, until to be restored to the type hidden for all characteristic points characterization reflectivity results
The former technical requirement of body aircraft terminates type invisbile plane absorbing material characterization reflectivity Failure Assessment work.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of absorbing material characterizes reflectivity evaluation method for failure, comprising:
S101, determine characterization Reflectivity point: the characteristics of equipping for Stealth weapons is equipped in conjunction with coated on the Stealth weapons
On absorbing material characterize reflectivity distribution feature, determine the Stealth weapons equipment characterization Reflectivity point information；
S102, creation characteristic point benchmark database: the step S101 characterization Reflectivity point determined is measured, institute is created
There is the characterization reflectivity benchmark database of characteristic point and saves；
S103, it determines characteristic point to be assessed: being equipped when Stealth weapons and deliver user, after a period of use, according to the stealthy force
The characteristic distributions of device equipment characterization Reflectivity point equip upper absorbing material visual inspection in conjunction with to coated on the Stealth weapons
As a result, determining characteristic point to be assessed；
The characterization reflectivity of S104, measurement characteristic point to be assessed；
S105, measurement result assessment: the absorbing material of the obtained characteristic point to be assessed of step S104 is characterized into reflectivity and step
S102 obtains the comparison of the result in corresponding benchmark database, and whether assessment this feature point characterization reflectivity fails, until completing
The absorbing material characterization reflectivity of all characteristic points to be assessed and comparison, the assessment of corresponding characteristic point benchmark database result；
S106, maintenance and repair priority is determined.
2. a kind of absorbing material according to claim 1 characterizes reflectivity evaluation method for failure, in step s101, institute is really
The information of fixed Stealth weapons equipment characterization Reflectivity point includes the locating position of characteristic point, quantity, and to characteristic point
It is numbered.
3. a kind of absorbing material according to claim 1 characterizes reflectivity evaluation method for failure, in step s 103, institute is really
The information of the characteristic point to be assessed of fixed Stealth weapons equipment includes the locating position of characteristic point to be assessed, quantity, and is treated
Assessment characteristic point is numbered.
4. a kind of absorbing material according to claim 1 characterizes reflectivity evaluation method for failure, in step S104, according to
Characterize reflectivity Failure Assessment mission requirements, Stealth weapons equipment absorbing material characteristic point characteristic distributions, absorbing material characterization
Reflectance test instrument performance indicator work out characterization reflectivity Failure Assessment testing scheme, scheme include measurement order, test frequency range,
Polarization mode, measurement result precision and operating procedure.
5. a kind of absorbing material according to claim 1 characterizes reflectivity evaluation method for failure, in step s 106, according to
The characterization reflectivity of characteristic point to be assessed is ranked up with the benchmark database deviation value size of character pair point, and deviation value is big
Characteristic point maintenance and repair priority is high, and the small characteristic point maintenance and repair priority of deviation value is low.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111896559A (en) * | 2020-08-21 | 2020-11-06 | 爱德森（厦门）电子有限公司 | Point frequency type detection method for property decay of invisible material and system device thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111896559A (en) * | 2020-08-21 | 2020-11-06 | 爱德森（厦门）电子有限公司 | Point frequency type detection method for property decay of invisible material and system device thereof |
| CN111896559B (en) * | 2020-08-21 | 2022-11-25 | 爱德森（厦门）电子有限公司 | Point frequency type detection method for property decay of invisible material and system device thereof |
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Application publication date: 20190816 |