CN109061344A - The automatic adjusting method of radiation position in a kind of test of radiosensitivity - Google Patents
The automatic adjusting method of radiation position in a kind of test of radiosensitivity Download PDFInfo
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- CN109061344A CN109061344A CN201810769304.2A CN201810769304A CN109061344A CN 109061344 A CN109061344 A CN 109061344A CN 201810769304 A CN201810769304 A CN 201810769304A CN 109061344 A CN109061344 A CN 109061344A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
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Abstract
The invention discloses the automatic adjusting methods of radiation position in a kind of test of radiosensitivity comprising following steps: S1, obtains the near-field thermal radiation field strength distribution data of radiating antenna and the three-dimensional artificial data of measurand；S2, according to the effective coverage of near-field thermal radiation field strength distribution data acquisition single irradiation；Three-dimensional simulation model is established according to the three-dimensional artificial data of measurand；S3, in three-dimensional simulation model according to the effective coverage of single irradiation obtain radiating antenna radiated each time when coordinate information；The physical location of S4, coordinate information adjust automatically radiating antenna when being radiated each time according to radiating antenna.This invention ensures that measurand is covered by Omnidirectional radiation, and improves testing efficiency, avoids and manually adjust test position bring measuring accuracy error, effectively increase the test accuracy of radiosensitivity.
Description
Technical field
The present invention relates to radiosensitivity testing fields, and in particular in a kind of test of radiosensitivity radiation position from
Dynamic method of adjustment.
Background technique
Enhancing is increasing from naval vessel, ground or airborne radar, communication, radio and television constant power radiation, it is right
Change system electronic electric equipment, system cause to seriously threaten.The high high radiation field of external radio frequency environment is complex electromagnetic environment
Important component, the high high radiation field under complex electromagnetic environment must be taken into consideration in the development of modern comfort.Under forceful electric power magnetic environment,
If not taking counter-measure, it will lead to device systems and perceive vast and hazy, command and coordination disorder, reduced with frequency equipment Efficacy.In order to
It protects the critical system of system-level equipment from the adverse effect of high high radiation field, high intense radiation must be carried out to such target
Field or external radio frequency environmental sensitivity verification test.For civil aircraft, DO-160 seaworthiness testing standard is promulgated in Europe；To army
With equipment, China promulgates the standards such as GJB1389A and GJB151.
Since measurand has complicated three-dimensional surface (such as aircraft or other large scale equipments), existing test passes through personnel
Mobile radiating antenna is difficult to ensure that measurand is sufficiently covered by 3dB radiation field intensity, so that testing efficiency is low, operation difficulty is big.
Summary of the invention
For above-mentioned deficiency in the prior art, in a kind of radiosensitivity test provided by the invention radiation position from
Dynamic method of adjustment solves the problems, such as that existing radiation position adjustment hardly possible causes testing efficiency low.
In order to achieve the above object of the invention, the technical solution adopted by the present invention are as follows:
There is provided the automatic adjusting method of radiation position in a kind of test of radiosensitivity comprising following steps:
The three-dimensional artificial data of S1, the near-field thermal radiation field strength distribution data for obtaining radiating antenna and measurand；
S2, according to the effective coverage of near-field thermal radiation field strength distribution data acquisition single irradiation；According to the three-dimensional of measurand
Emulation data establish three-dimensional simulation model；
S3, in three-dimensional simulation model according to the effective coverage of single irradiation obtain radiating antenna radiated each time when
Coordinate information；
The physical location of S4, coordinate information adjust automatically radiating antenna when being radiated each time according to radiating antenna.
Further, the near-field thermal radiation field strength distribution data of radiating antenna are obtained in step S1 method particularly includes:
Radiating antenna threedimensional model is established by 3 D electromagnetic simulation software, and radiating antenna is obtained by simulation software
Near-field thermal radiation field strength data at 1m-3m, and then obtain the near-field thermal radiation field strength distribution data of radiating antenna；
Or by the near-field field strength distributed data near field probes measuring distance radiating antenna 1m-3m, and then obtain spoke
Penetrate the near-field thermal radiation field strength distribution data of antenna.
Further, the three-dimensional artificial data of measurand are obtained in step S1 method particularly includes:
The three-dimensional parameter that measurand is obtained by camera-shooting scanning mode or laser scanning methods, obtains according to the three-dimensional parameter
To three-dimensional artificial data.
Further, according to the specific of the effective coverage of near-field thermal radiation field strength distribution data acquisition single irradiation in step S2
Method are as follows:
If field strength orientation in near-field thermal radiation field strength distribution data is circle, take in circle maximum rectangle as single
The effective coverage of radiation, wherein the area S of the effective coverage of single irradiation be
Wherein φ (f, L) is circular diameter；F is radiation frequency；L is radiation length；
If the field strength orientation in near-field thermal radiation field strength distribution data is ellipse, maximum rectangle conduct in ellipse is taken
The effective coverage of single irradiation, wherein the area S of the effective coverage of single irradiation be
S=2A (f, L) * B (f, L)
Wherein A (f, L) is elliptical major semiaxis length；B (f, L) is elliptical semi-minor axis length；F is radiation frequency；L is
Radiation length.
Further, step S3 specific method the following steps are included:
S3-1, obtain measurand front, back, left, right, up and lower totally six faces projection, obtain the shape of each projection
And area；
S3-2, segmentation covering radiation is carried out to each perspective plane using the effective coverage of single irradiation, according to each projection
Shape and area obtain every time cover radiation when single irradiation effective coverage central point coordinate；Wherein segmentation covers
Sequence is gradually to cover from left to right, from top to bottom；
S3-3, using the central point of the effective coverage of single irradiation as the coordinate points of radiating antenna, and then obtain radiation day
Coordinate information when line is radiated each time.
Further, step S4 method particularly includes:
Coordinate information when being radiated radiating antenna each time according to segmentation covering sequence is planned to path, will plan
Path input load radiating antenna homing device, realize the position tune of radiating antenna automatically by homing device
It is whole, that is, complete the adjust automatically of radiation position.
The invention has the benefit that the present invention can generate path, automatic guidance dress according to the data in threedimensional model
Setting can guide radiating antenna to carry out radiosensitivity test automatically according to the path of generation, both ensure that measurand by full side
Position radiation covering, and testing efficiency is improved, it avoids and manually adjusts test position bring measuring accuracy error, effectively improve
The test accuracy of radiosensitivity.
Detailed description of the invention
Fig. 1 is flow diagram of the invention.
Specific embodiment
A specific embodiment of the invention is described below, in order to facilitate understanding by those skilled in the art this hair
It is bright, it should be apparent that the present invention is not limited to the ranges of specific embodiment, for those skilled in the art,
As long as various change is in the spirit and scope of the present invention that the attached claims limit and determine, these variations are aobvious and easy
See, all are using the innovation and creation of present inventive concept in the column of protection.
As shown in Figure 1, the radiosensitivity test in radiation position automatic adjusting method the following steps are included:
The three-dimensional artificial data of S1, the near-field thermal radiation field strength distribution data for obtaining radiating antenna and measurand；
S2, according to the effective coverage of near-field thermal radiation field strength distribution data acquisition single irradiation；According to the three-dimensional of measurand
Emulation data establish three-dimensional simulation model；
S3, in three-dimensional simulation model according to the effective coverage of single irradiation obtain radiating antenna radiated each time when
Coordinate information；
The physical location of S4, coordinate information adjust automatically radiating antenna when being radiated each time according to radiating antenna.
The near-field thermal radiation field strength distribution data of radiating antenna are obtained in step S1 method particularly includes:
Radiating antenna threedimensional model is established by 3 D electromagnetic simulation software, and radiating antenna is obtained by simulation software
Near-field thermal radiation field strength data at 1m-3m, and then obtain the near-field thermal radiation field strength distribution data of radiating antenna；
Or by the near-field field strength distributed data near field probes measuring distance radiating antenna 1m-3m, and then obtain spoke
Penetrate the near-field thermal radiation field strength distribution data of antenna.
The three-dimensional artificial data of measurand are obtained in step S1 method particularly includes: pass through camera-shooting scanning mode or laser
Scanning mode obtains the three-dimensional parameter of measurand, obtains three-dimensional artificial data according to the three-dimensional parameter.
According to the effective coverage of near-field thermal radiation field strength distribution data acquisition single irradiation in step S2 method particularly includes: if
Field strength orientation in near-field thermal radiation field strength distribution data is circle, then takes in circle maximum rectangle as the effective of single irradiation
Region, wherein the area S of the effective coverage of single irradiation be
Wherein φ (f, L) is circular diameter；F is radiation frequency；L is radiation length；
If the field strength orientation in near-field thermal radiation field strength distribution data is ellipse, maximum rectangle conduct in ellipse is taken
The effective coverage of single irradiation, wherein the area S of the effective coverage of single irradiation be
S=2A (f, L) * B (f, L)
Wherein A (f, L) is elliptical major semiaxis length；B (f, L) is elliptical semi-minor axis length；F is radiation frequency；L is
Radiation length.
The specific method of step S3 the following steps are included:
S3-1, obtain measurand front, back, left, right, up and lower totally six faces projection, obtain the shape of each projection
And area；
S3-2, segmentation covering radiation is carried out to each perspective plane using the effective coverage of single irradiation, according to each projection
Shape and area obtain every time cover radiation when single irradiation effective coverage central point coordinate；Wherein segmentation covers
Sequence is gradually to cover from left to right, from top to bottom；
S3-3, using the central point of the effective coverage of single irradiation as the coordinate points of radiating antenna, and then obtain radiation day
Coordinate information when line is radiated each time.
Step S4's method particularly includes: coordinate when being radiated radiating antenna each time according to segmentation covering sequence is believed
Breath is planned to path, automatic by homing device by the homing device of the path input load radiating antenna of planning
The position adjustment for realizing radiating antenna, that is, complete the adjust automatically of radiation position.
In one embodiment of the invention, homing device can be by automatic guide vehicle and setting in automatic guide vehicle
On clothes watch lifting structure composition, radiating antenna load (fixation) watched on lifting structure in clothes, automatic guide vehicle can drive clothes
It watches lifting structure and radiating antenna moves horizontally, clothes watch the height of the adjustable radiating antenna of lifting structure, when spoke from the top down
When penetrating measurand, it can be watched in clothes and add transverse bar between lifting structure and radiating antenna, so that homing device is in quilt
Radiating antenna can be in the top of measurand when surveying object side.
The present invention is because the work of homing guidance device under forceful electric power magnetic environment, needs to carry out electromagnetic protection to it to add
Gu increasing shielding box to all electronic equipments, shielding protection is carried out；It is attached between shielding box using shielded cable.From
Dynamic guiding device is standby to be can be used the modes such as laser navigation and is controlled.
In conclusion the present invention can generate path according to the data in threedimensional model, homing device can basis
The path of generation guides radiating antenna to carry out radiosensitivity test automatically, both ensure that measurand was covered by Omnidirectional radiation
Lid, and testing efficiency is improved, it avoids and manually adjusts test position bring measuring accuracy error, effectively increase radiation-sensitive
The test accuracy of sensitivity.
Claims (6)
1. the automatic adjusting method of radiation position in a kind of radiosensitivity test, it is characterised in that: the following steps are included:
The three-dimensional artificial data of S1, the near-field thermal radiation field strength distribution data for obtaining radiating antenna and measurand；
S2, according to the effective coverage of near-field thermal radiation field strength distribution data acquisition single irradiation；According to the three-dimensional artificial of measurand
Data establish three-dimensional simulation model；
S3, in three-dimensional simulation model according to the effective coverage of single irradiation obtain radiating antenna radiated each time when seat
Mark information；
The physical location of S4, coordinate information adjust automatically radiating antenna when being radiated each time according to radiating antenna.
2. the automatic adjusting method of radiation position in radiosensitivity test according to claim 1, it is characterised in that: institute
State the near-field thermal radiation field strength distribution data that radiating antenna is obtained in step S1 method particularly includes:
Radiating antenna threedimensional model is established by 3 D electromagnetic simulation software, and radiating antenna 1m-3m is obtained by simulation software
The near-field thermal radiation field strength data at place, and then obtain the near-field thermal radiation field strength distribution data of radiating antenna；
Or by the near-field field strength distributed data near field probes measuring distance radiating antenna 1m-3m, and then obtain radiation day
The near-field thermal radiation field strength distribution data of line.
3. the automatic adjusting method of radiation position in radiosensitivity test according to claim 2, it is characterised in that: institute
State the three-dimensional artificial data that measurand is obtained in step S1 method particularly includes:
The three-dimensional parameter that measurand is obtained by camera-shooting scanning mode or laser scanning methods, obtains three according to the three-dimensional parameter
Dimension emulation data.
4. the automatic adjusting method of radiation position in radiosensitivity test according to claim 3, it is characterised in that: institute
It states in step S2 according to the effective coverage of near-field thermal radiation field strength distribution data acquisition single irradiation method particularly includes:
If field strength orientation in near-field thermal radiation field strength distribution data is circle, take in circle maximum rectangle as single irradiation
Effective coverage, wherein the area S of the effective coverage of single irradiation be
Wherein φ (f, L) is circular diameter；F is radiation frequency；L is radiation length；
If field strength orientation in near-field thermal radiation field strength distribution data is ellipse, take in ellipse maximum rectangle as single
The effective coverage of radiation, wherein the area S of the effective coverage of single irradiation be
S=2A (f, L) * B (f, L)
Wherein A (f, L) is elliptical major semiaxis length；B (f, L) is elliptical semi-minor axis length；F is radiation frequency；L is radiation
Distance.
5. the automatic adjusting method of radiation position in radiosensitivity test according to claim 4, it is characterised in that: institute
State the specific method of step S3 the following steps are included:
S3-1, obtain measurand front, back, left, right, up and lower totally six faces projection, obtain shape and the face of each projection
Product；
S3-2, segmentation covering radiation is carried out to each perspective plane using the effective coverage of single irradiation, according to the shape of each projection
The coordinate of the central point of the effective coverage of single irradiation when shape and area obtain covering radiation every time；Wherein it is segmented the sequence of covering
It is gradually to cover from left to right, from top to bottom；
S3-3, using the central point of the effective coverage of single irradiation as the coordinate points of radiating antenna, and then obtain radiating antenna into
Coordinate information when row radiates each time.
6. the automatic adjusting method of radiation position in radiosensitivity test according to claim 5, it is characterised in that: institute
State step S4's method particularly includes:
Coordinate information when being radiated radiating antenna each time according to segmentation covering sequence is planned to path, by the road of planning
The homing device of diameter input load radiating antenna, the position adjustment of radiating antenna is realized by homing device automatically,
Complete the adjust automatically of radiation position.
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Cited By (3)
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| CN111683388A (en) * | 2020-08-13 | 2020-09-18 | 中国人民解放军国防科技大学 | Near-field radiation attenuation test method and three-dimensional display system |
| CN113335564A (en) * | 2021-07-09 | 2021-09-03 | 中国飞机强度研究所 | 5G network deep coverage method in airplane structural strength test environment |
| CN115542065A (en) * | 2022-12-02 | 2022-12-30 | 成都四威功率电子科技有限公司 | External field mobile multi-antenna multi-degree-of-freedom radiation sensitivity testing method and system |
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| CN115542065A (en) * | 2022-12-02 | 2022-12-30 | 成都四威功率电子科技有限公司 | External field mobile multi-antenna multi-degree-of-freedom radiation sensitivity testing method and system |
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Application publication date: 20181221 |