CN206773084U - A kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm - Google Patents
A kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm Download PDFInfo
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- CN206773084U CN206773084U CN201720585909.7U CN201720585909U CN206773084U CN 206773084 U CN206773084 U CN 206773084U CN 201720585909 U CN201720585909 U CN 201720585909U CN 206773084 U CN206773084 U CN 206773084U
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- oscillograph
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- 230000005670 electromagnetic radiation Effects 0.000 title claims abstract description 17
- 238000011835 investigation Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims description 9
- 230000005855 radiation Effects 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract description 2
- 230000032683 aging Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003483 aging Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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- Testing Relating To Insulation (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model belongs to electrical equipment technical field, more particularly to a kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm.The utility model includes oscillograph, in addition to dipole antenna, the support, coaxial cable, casing and the computer that support dipole antenna；Wherein, oscillograph is provided with casing, support is connected with the top of casing, frame bottom is support body, and the dipole antenna support section with reserved location is connected with support body top, and dipole antenna is located in reserved location, matched with reserved location；With coaxial cable phase in succession, the other end of coaxial cable is connected dipole antenna with oscillograph, and oscillograph is connected by lan line with computer.The utility model have it is simple in construction, it is reasonable in design, and can fast accurate detect generation electromagnetic wave.The redundant signals waveform optimization obtained by 8 antennas the result of orientation, and device over all Integrationization is higher, is easy to vehicle-mounted.
Description
Technical field
The utility model belongs to electrical equipment technical field, more particularly to a kind of based on cross-correlated signal Subspace algorithm
Wave electromagnetic radiation source investigation system.
Background technology
In power system, shelf depreciation or spark discharge are insulating materials agings, omen caused by failure, are discharged simultaneously
Caused high frequency radiation electromagnetic wave can also be made to the communication equipment near electric line, transformer station, television broadcasting signal etc.
Into electromagnetic interference.Therefore, in order to find insulating materials aging position early, avoid insulation fault and avoid to electromagnetism ring around
The interference in border to the position of discharge source, it is necessary to be accurately positioned.
On the other hand, the utility model provides a kind of wave electromagnetic radiation source based on cross-correlated signal Subspace algorithm and detected is
System, to detect the place of radiation source.
Utility model content
For above-mentioned problems of the prior art, the utility model provides a kind of based on the calculation of cross-correlated signal subspace
The wave electromagnetic radiation source investigation system of method, it is therefore an objective to provide it is a kind of simple in construction, it is reasonable in design, and can fast accurate detect
The equipment for producing electromagnetic wave.
In order to realize foregoing invention purpose, the utility model is achieved through the following technical solutions：
A kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm, including oscillograph, in addition to
Dipole antenna, support, coaxial cable, casing and the computer for supporting dipole antenna；Wherein, oscillography is provided with casing
Device, support is connected with the top of casing, frame bottom is support body, and the dipole with reserved location is connected with support body top
Antenna support section, dipole antenna are located in reserved location, are matched with reserved location；Dipole antenna and coaxial cable
Mutually in succession, the other end of coaxial cable is connected with oscillograph, and oscillograph is connected by lan line with computer.
The support section of the dipole antenna carries the reserved location for meeting dipole antenna shape and diameter dimension, should
Reserved location is provided with 8 altogether, 8 dipole antennas is just matched with 8 reserved locations；8 reserved locations are linear
Distribution, interval is consistent, and the length being spaced is determined by the centre frequency of dipole antenna.
The coaxial cable is provided with 8, is connected respectively with 8 dipole antennas, the length of 8 coaxial cables, material
Unanimously.
The oscillograph is 8 oscilloscope channels or two 4 oscilloscope channels.
The oscillograph sampling time interval is in 0.05ns and following.
The casing is enclosed housing, multiple threading holes is reserved with behind casing, and the material of casing is tool
The material for having anti-battery wave radiation function is made.
The cabinet design is that rear portion is Open architecture.
The casing front and rear is Open architecture.
The coaxial cable is connected on oscillograph through threading hole, and the lan line on oscillograph is worn also through reserved
String holes is connected with computer.
The utility model has the advantages of be：The utility model have it is simple in construction, it is reasonable in design, and can be quickly smart
Standard detects the equipment for producing electromagnetic wave.It can receive radiated electromagnetic wave by ultra-high frequency antenna, by oscillograph recording waveform,
The deflection of radiation source is calculated using one-dimensional cross-correlated signal Subspace algorithm to determine the equipment for producing electromagenetic wave radiation.Together
Existing like product is compared, the result of redundant signals waveform optimization that the utility model is obtained by 8 antennas orientation, and is filled
It is higher to put over all Integrationization, is easy to vehicle-mounted.
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：Dipole antenna 1, coaxial cable 2, support 3, oscillograph 4, computer 5, lan line 6, casing 7.
Embodiment
Embodiment 1：
The utility model is a kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm, such as Fig. 1
It is shown, including：8 dipole antennas 1, the support 3 for supporting dipole antenna, coaxial cable 2,8 oscilloscope channels 4 or two 4
Oscilloscope channel, computer 5 and casing 7.Support 3 is wherein fixedly connected with the top of casing 7, the bottom of support 3 is two
Fixing bracket body, rectangular dipole antenna support section, dipole antenna 1 and the phase of coaxial cable 2 are connected with support body top
In succession, the other end of coaxial cable 2 is connected with oscillograph 4, and oscillograph 4 is located in casing 7, and oscillograph 4 passes through lan line 6
It is connected with computer 5, by the signal waveform of preservation, is passed to computer disposal in real time.Described casing 7 is enclosed housing,
Multiple threading holes are reserved with behind casing, and the material of casing is made up of the material with anti-battery wave radiation function.
Coaxial cable 2 can be connected to during implementation 4 on oscillograph through threading hole, 4 on oscillograph on lan line 6 can also wear
Reserved threading hole is crossed with computer 5 to be connected.
The support section of the dipole antenna 1 carries the reserved location for meeting the shape of dipole antenna 1 and diameter dimension,
The reserved location is provided with 8 altogether, and 8 dipole antennas 1 are located in reserved location, makes 8 dipole antennas 1 just pre- with 8
Position is stayed to match.8 reserved locations are linearly distributed, and interval is consistent, and the length being spaced is by the center of dipole antenna
Frequency decision, such as during 500MHz, at intervals of 30cm.
The coaxial cable 2 is also provided with 8, is connected respectively with 8 dipole antennas 1, the length of 8 coaxial cables 2
Degree, material are consistent.
Described oscillograph 4 is a 8 passage oscillographys, and the sampling time interval of oscillograph 4 is connect in 0.05ns and following
Receive the oscillograph that signalling channel is 8 or two 4 passages.
When in use, workflow is as follows for the utility model：
1st, the waveform of electric discharge electromagnetic wave is received by 8 antennas；
2nd, signal waveform shows on oscillograph and transmitted by lan line to notebook computer；
3rd, analyze and calculate direction of arrival using the one-dimensional division Subspace algorithm based on 8 groups of signals；
4th, simultaneously, using the waveform of 8 groups of signals, 4 waveforms of arbitrary extracting, one-dimensional division Subspace algorithm is recycled to calculate
Direction of arrival；
5th, the direction of arrival result that COMPREHENSIVE CALCULATING is drawn, optimized results are obtained；
By existing cross-correlated signal Subspace algorithm, that is, the one-dimensional square estimation technique, radiated electromagnetic wave is calculated
Deflection.
Embodiment 2：
For the utility model when implementing, it is Open architecture that casing 7 can also be designed as to rear portion, is so more conveniently shown
Ripple device connects with External cable, and the other the same as in Example 1 is identical.
Embodiment 3：
For the utility model when implementing, it is Open architecture that casing 7 can also be designed as to front and rear, so also more
Add and facilitate oscillograph to be connected with External cable, the other the same as in Example 1 is identical.
Embodiment 4：
Described oscillograph 4 is two 4 oscilloscope channels, and the other the same as in Example 1 is identical.
Claims (9)
1. a kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm, including oscillograph, it is characterized in that：
Also include dipole antenna, support support, coaxial cable, casing and the computer of dipole antenna；Wherein, set in casing
There is oscillograph, support is connected with the top of casing, frame bottom is support body, is connected with support body top with reserved location
Dipole antenna support section, dipole antenna are located in reserved location, are matched with reserved location；Dipole antenna with it is same
Mutually in succession, the other end of coaxial cable is connected shaft cable with oscillograph, and oscillograph is connected by lan line with computer
。
2. a kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm according to claim 1,
It is characterized in that：The support section of the dipole antenna carries the reserved location for meeting dipole antenna shape and diameter dimension,
The reserved location is provided with 8 altogether, 8 dipole antennas is just matched with 8 reserved locations；8 reserved locations are in straight
Line is distributed, and interval is consistent, and the length being spaced is determined by the centre frequency of dipole antenna.
3. a kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm according to claim 1,
It is characterized in that：The coaxial cable is provided with 8, is connected respectively with 8 dipole antennas, the length of 8 coaxial cables, material
Unanimously.
4. a kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm according to claim 1,
It is characterized in that：The oscillograph is 8 oscilloscope channels or two 4 oscilloscope channels.
5. a kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm according to claim 1,
It is characterized in that：The oscillograph sampling time interval is in 0.05ns and following.
6. a kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm according to claim 1,
It is characterized in that：The casing is enclosed housing, multiple threading holes is reserved with behind casing, and the material of casing is tool
The material for having anti-battery wave radiation function is made.
7. a kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm according to claim 1,
It is characterized in that：The cabinet design is that rear portion is Open architecture.
8. a kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm according to claim 1,
It is characterized in that：The casing front and rear is Open architecture.
9. a kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm according to claim 1,
It is characterized in that：The coaxial cable is connected on oscillograph through threading hole, and the lan line on oscillograph is also through reserved
Threading hole is connected with computer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720585909.7U CN206773084U (en) | 2017-05-24 | 2017-05-24 | A kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720585909.7U CN206773084U (en) | 2017-05-24 | 2017-05-24 | A kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037271A (en) * | 2017-05-24 | 2017-08-11 | 国网辽宁省电力有限公司电力科学研究院 | A kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm |
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- 2017-05-24 CN CN201720585909.7U patent/CN206773084U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037271A (en) * | 2017-05-24 | 2017-08-11 | 国网辽宁省电力有限公司电力科学研究院 | A kind of wave electromagnetic radiation source investigation system based on cross-correlated signal Subspace algorithm |
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