CN109655669A - A kind of electromagnetism haze measuring method - Google Patents
A kind of electromagnetism haze measuring method Download PDFInfo
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- CN109655669A CN109655669A CN201710945036.0A CN201710945036A CN109655669A CN 109655669 A CN109655669 A CN 109655669A CN 201710945036 A CN201710945036 A CN 201710945036A CN 109655669 A CN109655669 A CN 109655669A
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- electromagnetism
- haze
- polarization
- electromagnetic environment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
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- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
A kind of electromagnetism haze measuring method, comprising: determine electromagnetism haze thresholding, acquisition electromagnetic environment sample, measurement electromagnetism haze grade, this method can be used for determining whether electromagnetic environment impacts electronic equipment or human body, the measurement for " electromagnetism haze " provides foundation；The Problem of Objectivity that can solve the assessment of electromagnetism haze grade determines that electromagnetic environment to the grade of electronic equipment and body effect, has stronger practical value.
Description
Technical field
The invention belongs to the technical fields that combination related to ecological environment is assessed in electromagnetic environment measurement, more particularly to one kind
Electromagnetism haze measuring method.
Background technique
For particular individual (human body or electronic equipment), electromagnetic environment element is targetedly obtained, and then assess electromagnetism
Whether environment has an impact on the individual and its influences program, it is necessary to have corresponding measuring method.Currently, both at home and abroad without being somebody's turn to do
The research in field is brought especially for how to obtain the electromagnetic environment element for influencing human body or electronic equipment and how to assess
Specific influence.
Summary of the invention
Problem in view of the prior art, the invention proposes the technical connotations of electromagnetism haze, and according to determining electromagnetism haze door
Limit, proposes a kind of electromagnetism haze measuring method.
The method of the present invention includes:
Step A: electromagnetism haze thresholding is determined:
" electromagnetism haze ", which refers to, can bring dysgenic electromagnetic environment, human body and difference to being located therein electronic equipment and human body
The corresponding electromagnetism haze of electronic equipment it is different；According to the technical connotation of electromagnetism haze, in conjunction with the protection of distinct electronic apparatuses and human body
Threshold value determines the electromagnetism haze thresholding of Different Individual；
Step B: acquisition electromagnetic environment sample:
Two orthogonally polarized components are received simultaneously using the antenna of complete polarization measurement degree, and are therefrom extracted according to polarization conversion theory
The relevant polarization components of individual；Measuring system includes measurement antenna array, radio frequency unit, spectral analysis unit, polarization separation unit；
Step B1: electromagnetic environment receives:
Using cross-polarized antennas battle array, for completing the measurement of two polarization components mutually orthogonal in electromagnetic environment；
Step B2: radio frequency parameter conversion:
For realizing two orthogonally polarized component signals by radio frequency to intermediate frequency, the conversion of base band；
Step B3: real time spectral analysis:
For complete acquired electromagnetic data broadband, in real time, quickly, the processing of free of losses；
Step B4: amount of polarization sorting:
Receive to obtain orthogonally polarized component based on cross-polarized antennas, using the transforming relationship under the conditions of not same polarization base obtain with
The polarization components and its time-frequency amplitude spectrum that electronic equipment matches；
Step C: measurement electromagnetism haze grade:
Step C1: according to the electromagnetic environment sample of measurement, in conjunction with personal characteristics, determine whether electromagnetism haze is deposited based on electromagnetism haze thresholding
?.If it exists, grade is further determined；
Step C2: " electromagnetism haze " grade is determined according to electromagnetism haze staging hierarchy.
The present invention can be used for determining whether electromagnetic environment impacts electronic equipment or human body, be the survey of " electromagnetism haze "
It is fixed that foundation is provided；The Problem of Objectivity that can solve the assessment of electromagnetism haze grade, determines electromagnetic environment to electronic equipment and body effect
Grade, have stronger practical value.
Detailed description of the invention
Fig. 1 is electromagnetic environment testing schematic diagram of the present invention；
Fig. 2 is human body electromagnetism haze threshold curve figure of the present invention；
Fig. 3 is typical data communication equipment electromagnetism haze thresholding figure of the present invention；
Fig. 4 is Typical voice communication installation electromagnetical haze thresholding figure of the present invention.
Specific embodiment
Specifically describing preferred embodiments of the invention with reference to the accompanying drawing, wherein attached drawing constitutes the application a part, and
Together with embodiments of the present invention for illustrating the principle of the present invention.It should be appreciated that specific embodiment described herein is only
To explain the present invention, the present invention is not limited.
Electromagnetic environment testing method of the present invention, as shown in Figure 1, comprising the following specific steps that:
Step A: electromagnetism haze thresholding is determined:
The electromagnetism of Different Individual is determined in conjunction with the Protection Threshold of distinct electronic apparatuses and human body according to the technical connotation of electromagnetism haze
Haze thresholding.Human body electromagnetism haze thresholding as shown in Fig. 2, typical data and voice communication apparatus electromagnetism haze thresholding respectively such as Fig. 3 and Fig. 4
It is shown.
Step B: acquisition electromagnetic environment sample.Two cross polarizations point are received simultaneously using the antenna of complete polarization measurement degree
Amount, and the relevant polarization components of individual are therefrom extracted according to polarization conversion theory.Above-mentioned measurement measuring system includes measurement antenna
Battle array, radio frequency converting unit, spectral analysis unit, polarization separation unit.
Step B1: electromagnetic environment receives.Using two groups of orthogonal antenna sets of vertical, horizontal polarization at antenna array, connect respectively
Vertical, the horizontal polarized components of incoming wave signal are received, the information such as amplitude, the phase of two channel signals are completely obtained.
Step B2: radio frequency parameter conversion.Vertical, the received component of horizontal polarization cross-polarized antennas battle array institute is carried out respectively
Processing, realizes two orthogonally polarized component signals by radio frequency to intermediate frequency, the conversion of base band.
Step B3: real time spectral analysis.It makes full use of digitizing technique to carry out signal capture and measurement, passes through quick FFT
Method carries out Signal online analysis, realize to the broadband of acquired electromagnetic data in big bandwidth, in real time, quickly, the processing of free of losses.
Step B4: it amount of polarization sorting: receives to obtain orthogonally polarized component based on cross-polarized antennas, utilizes not same polarization base
Under the conditions of transforming relationship obtain the polarization components to match with electronic equipment and its time-frequency amplitude spectrum.
Step C: measurement electromagnetism haze grade
Step C1: according to the electromagnetic environment sample of measurement, in conjunction with personal characteristics, determine whether electromagnetism haze is deposited based on electromagnetism haze thresholding
?.If it exists, grade is further determined.
Step C2: if human body, grade is determined by table 1；If data communications equipment, grade is determined by table 2；If voice
Communication equipment determines grade by table 3.
1 human body electromagnetism haze grade of table
| Grade | Higher than the dB number of electromagnetism haze thresholding |
| 1 | <9.4 |
| 2 | [9.4, 18.8) |
| 3 | [18.8, 28.2) |
| 4 | [28.2, 37.6) |
| 5 | ≥37.6 |
2 data communications equipment electromagnetism haze grade of table
3 voice communication apparatus electromagnetism haze grade of table
| Grade | AM/FM | 2FSK | BPSK/QPSK/MSK |
| 1 | ≥0 | ≥0 | ≥0 |
| 2 | [-8.2, 0) | [-2.4, 0) | [-2.4, 0) |
| 3 | [-15.1, -8.2) | [-8.0, -2.4) | [-8.0, -2.4) |
| 4 | [-22.5, -15.1) | [-14.3, 8.0) | [-14.3, 8.0) |
| 5 | ≤-22.5 | ≤-14.3 | ≤-14.3 |
Obviously, those skilled in the art various changes and modifications can be made to the invention without departing from spirit of the invention and
Range.In this way, if these modifications and changes of the present invention is within the scope of the claims of the present invention and its equivalent technology,
Then the present invention is also intended to include these modifications and variations.
Claims (1)
1. a kind of electromagnetism haze measuring method, it is characterised in that: include:
Step A: electromagnetism haze thresholding is determined:
" electromagnetism haze ", which refers to, can bring dysgenic electromagnetic environment, human body and difference to being located therein electronic equipment and human body
The corresponding electromagnetism haze of electronic equipment it is different；According to the technical connotation of electromagnetism haze, in conjunction with the protection of distinct electronic apparatuses and human body
Threshold value determines the electromagnetism haze thresholding of Different Individual；
Step B: acquisition electromagnetic environment sample:
Two orthogonally polarized components are received simultaneously using the antenna of complete polarization measurement degree, and are therefrom extracted according to polarization conversion theory
The relevant polarization components of individual；Measuring system includes measurement antenna array, radio frequency unit, spectral analysis unit, polarization separation unit；
Step B1: electromagnetic environment receives:
Using cross-polarized antennas battle array, for completing the measurement of two polarization components mutually orthogonal in electromagnetic environment；
Step B2: radio frequency parameter conversion:
For realizing two orthogonally polarized component signals by radio frequency to intermediate frequency, the conversion of base band；
Step B3: real time spectral analysis:
For complete acquired electromagnetic data broadband, in real time, quickly, the processing of free of losses；
Step B4: amount of polarization sorting:
Receive to obtain orthogonally polarized component based on cross-polarized antennas, using the transforming relationship under the conditions of not same polarization base obtain with
The polarization components and its time-frequency amplitude spectrum that electronic equipment matches；
Step C: measurement electromagnetism haze grade:
Step C1: according to the electromagnetic environment sample of measurement, in conjunction with personal characteristics, determine whether electromagnetism haze is deposited based on electromagnetism haze thresholding
?；
If it exists, grade is further determined；
Step C2: " electromagnetism haze " grade is determined according to electromagnetism haze staging hierarchy.
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| CN201710945036.0A CN109655669A (en) | 2017-10-12 | 2017-10-12 | A kind of electromagnetism haze measuring method |
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|---|---|---|---|
| CN201710945036.0A CN109655669A (en) | 2017-10-12 | 2017-10-12 | A kind of electromagnetism haze measuring method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201352237Y (en) * | 2008-12-26 | 2009-11-25 | 上海市闸北区中小学科技指导站 | Electromagnetic pollution measuring device |
| CN103149455A (en) * | 2012-12-28 | 2013-06-12 | 中国科学院安徽光学精密机械研究所 | Electromagnetic radiation on-line monitoring method for discharge excitation excimer laser system |
| JP2014222215A (en) * | 2013-05-14 | 2014-11-27 | 日本電信電話株式会社 | Method and device for tracking and visualizing propagation path of electromagnetic noise |
| CN104931820A (en) * | 2015-06-05 | 2015-09-23 | 中国电子科技集团公司第二十二研究所 | Electromagnetic environment measuring and assessing device |
| KR20170014399A (en) * | 2015-07-30 | 2017-02-08 | 최춘화 | Monitoring system of electromagnetic wave and grounding resistance |
-
2017
- 2017-10-12 CN CN201710945036.0A patent/CN109655669A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201352237Y (en) * | 2008-12-26 | 2009-11-25 | 上海市闸北区中小学科技指导站 | Electromagnetic pollution measuring device |
| CN103149455A (en) * | 2012-12-28 | 2013-06-12 | 中国科学院安徽光学精密机械研究所 | Electromagnetic radiation on-line monitoring method for discharge excitation excimer laser system |
| JP2014222215A (en) * | 2013-05-14 | 2014-11-27 | 日本電信電話株式会社 | Method and device for tracking and visualizing propagation path of electromagnetic noise |
| CN104931820A (en) * | 2015-06-05 | 2015-09-23 | 中国电子科技集团公司第二十二研究所 | Electromagnetic environment measuring and assessing device |
| KR20170014399A (en) * | 2015-07-30 | 2017-02-08 | 최춘화 | Monitoring system of electromagnetic wave and grounding resistance |
Non-Patent Citations (1)
| Title |
|---|
| 帅震清: "《电磁环境测量技术》", 31 December 2014 * |
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