CN206876884U - A kind of anti-interference capability testing system - Google Patents
A kind of anti-interference capability testing system Download PDFInfo
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- CN206876884U CN206876884U CN201720673059.6U CN201720673059U CN206876884U CN 206876884 U CN206876884 U CN 206876884U CN 201720673059 U CN201720673059 U CN 201720673059U CN 206876884 U CN206876884 U CN 206876884U
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Abstract
The utility model discloses a kind of anti-interference capability testing system, it is intended to which when solution positions to GNSS terminal at present under the interference in a variety of wireless signals, terminal guidance positioning anti-interference capability testing demand, its drip irrigation device are more modules work simultaneously when：A kind of anti-interference capability testing front end subsystem, including：It is some for the analog network of the first antenna to be communicated with measured target, corresponding first radiation areas of the analog network for pair being simulated and being laid with the practical communication of a measured target；And some interference networks for being used to launch the second antenna of interference signal are laid with, corresponding second radiation areas of interference network, the measured target is placed in the overlapping region of first radiation areas and second radiation areas.Test system of the present utility model have can examine to greatest extent true interference source exist in the case of navigator fix performance quality the advantages of.
Description
Technical field
The present invention relates to antenna measurement technical field, more specifically, it relates to a kind of anti-interference capability testing system.
Background technology
GLONASS（Global Navigation Satellite System, guide number SS）Refer to all
Satellite navigation system, it is including the whole world, region and enhancing etc., GPS such as the U.S., the Glonass of Russia, Europe
Galileo, the Beidou satellite navigation system of China, and related strengthening system.
In recent years, with the development of the business such as car networking, Internet of Things, intelligent transportation, mobile communication, to navigation antenna, lead
The demand of the GNSS industry Related products such as boat system is more and more urgent, and navigation locating function is the basis for realizing above-mentioned business,
Its performance indications directly affects the Consumer's Experience of related service, therefore the navigator fix performance of GNSS receiving terminals is tested
Assessment is very important.
Further, since GNSS terminal, in positioning, more modules can work simultaneously, and so, GNSS terminal is generally in a variety of
Under the interference of wireless signal, anti-interference capability testing of the GNSS terminal in navigator fix is also more and more concerned, how real
A kind of existing anti-interference capability testing system that interference mechanism is added in navigator fix is ground as current one, GNSS fields are important
Study carefully direction.
The content of the invention
In view of the deficienciess of the prior art, first purpose of the present invention is before providing a kind of anti-interference capability testing
Terminal system, have can examine to greatest extent true interference source exist in the case of navigator fix performance quality the advantages of.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of anti-interference capability testing front end subsystem, including：
Some it is used to lead to measured target for pair being simulated and being laid with the practical communication of a measured target
The analog network of the first antenna of letter, corresponding first radiation areas of the analog network；And
It is laid with some interference networks for being used to launch the second antenna of interference signal, corresponding second spoke of interference network
Region is penetrated, the measured target is placed in the overlapping region of first radiation areas and second radiation areas.
By using above-mentioned technical proposal, in test, the transmitting of analog network simulation satellite signal, pass through first antenna
Communicated with measured target, the signal that measured object receives analog network carries out the test of homing capability, and disturbs network by second
Antenna transmitting interference signal is disturbed measured target, maximumlly simulates the interference that measured target faces in true environment
Situation, to judge that the positioning precision of navigation and sensitivity provide reference data.
The present invention is further arranged to：The interference network includes：
Support；And
The auxiliary interference ring that the support is used to lay second antenna is carried on, second antenna loop is located at described
Auxiliary interference ring；
The analog network includes：The main test wrapper for being used to lay the first antenna of the support is carried on, it is described
First antenna is located on the main test wrapper；
First radiation areas are used to carry the tested mesh with being provided with the overlapping region of second radiation areas
Target bogey.
By using above-mentioned technical proposal, auxiliary interference ring is used to supporting and installing the second probe, because the second antenna is equal
Towards the center of main test wrapper, so as to form interference plane, i.e., corresponding second radiation area, reach more preferable interference effect；And
First probe is arranged on main test wrapper, forms analog signal plane, i.e., corresponding first radiation area, there is provided Satellite Simulation signal.
The present invention is further arranged to：Some second antenna circular arrays distributions and projecting direction are towards described auxiliary
Help the center of interference ring.
By using above-mentioned technical proposal, while the interference to incidence angles degree in the range of 360 ° of measured target can be simulated
Signal.
The present invention is further arranged to：The auxiliary interference ring laid inside has more with some second antenna communications
Channel link.
By using above-mentioned technical proposal, it can select what is connected on different links by the control to multiple channel links
Second Antenna Operation, so as to form the interference to measured target diverse location and angle.
The present invention is further arranged to：First antenna circular array distribution and projecting direction are towards the main test
The center of ring, and the physical centre at the center of the main test wrapper, the center of the subtest ring and the measured target
Coincide.
By using above-mentioned technical proposal, the communication efficiency of measured target and first antenna is optimal, and the second antenna is to quilt
The interference performance for surveying target also reaches optimal.
The present invention is further arranged to：The main test wrapper and the auxiliary interference orthogonal thereto distribution of ring.
By using above-mentioned technical proposal, interference of the interference signal to main test wrapper is preferably minimized, improves accuracy of detection.
The present invention is further arranged to：It is equipped with the main test wrapper and the auxiliary interference ring in pyramidal suction ripple
Material.
By using above-mentioned technical proposal, influence of the interference signal to main test wrapper is reduced, further improves the essence of detection
Exactness.
Second object of the present invention is to provide a kind of anti-interference capability testing system, true with that can examine to greatest extent
The advantages of quality of navigator fix performance in the case of real interference source presence.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of anti-interference capability testing system, the front end subsystem described in any of the above-described technical scheme；And respectively with institute
State it is that front end subsystem and the measured target are connected, for according to predetermined policy control the front end subsystem with it is described tested
Destinations traffic simultaneously obtains target data to carry out at anti-interference capability testing from the measured target or the front end subsystem
Reason backstage.
By using above-mentioned technical proposal, measured target obtains Satellite Simulation signal by front end subsystem and interference is believed
Number, processing backstage obtains the data for judging navigator fix performance, final process by being communicated with front end subsystem and measured target
Judge to draw the data for indicating navigation performance and judging.
Third object of the present invention is to provide a kind of anti-interference capability testing system, true with that can examine to greatest extent
The advantages of quality of navigator fix performance in the case of real interference source presence.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of anti-interference capability testing system, it is characterised in that including the front end subsystem described in any of the above-described technical scheme
System；And be connected respectively with the front end subsystem and the measured target, for controlling the front end according to predetermined policy
Subsystem communicates with the measured target and obtains receiving power data from the measured target or the front end subsystem to enter
The processing backstage of row anti-interference capability testing.
By using above-mentioned technical proposal, measured target obtains Satellite Simulation signal by front end subsystem and interference is believed
Number, processing backstage is judged by being communicated with front end subsystem and measured target according to the receiving power data that measured target obtains
The data of navigator fix performance, final process judge to draw the data for indicating navigation performance and judging.
In summary, the invention has the advantages that：
First, aiding in the design of interference ring by setting, the introducing of interference signal is realized, adding for interference source can be obtained
Enter the influence to measured target satellite communication sensitivity and positioning precision；
Second, by setting signal switching device, the second antenna is automatically switched, forms the interference of multiple angles
Source, and switching efficiency is higher.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the structural representation of multiaxial motion platform in embodiment；
Fig. 3 is the explosive view of multiaxial motion platform in embodiment.
In figure：1st, support；2nd, main test wrapper；3rd, first antenna；4th, auxiliary interference ring；5th, the second antenna；6th, absorbing material；
7th, multiaxial motion platform；71st, base；711st, arc guide barrel；712nd, baffle plate；72nd, offset supports plate；721st, guide wheel；722nd, stably
Wheel；73rd, horizontal support rotating disk；731st, inner tray；732nd, outer disk body；74th, lateral deflection platform；741~742, rotating junction；
75th, cross slid platform；76th, pole.
Embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment one：A kind of anti-interference capability testing system, as shown in figure 1, for pair leading to the reality of a measured target
Letter is simulated and is laid with some for the analog network of the first antenna 3 to be communicated with measured target, analog network pair
Answer the first radiation areas；And some interference networks for being used to launch the second antenna 5 of interference signal are laid with, disturb network pair
The second radiation areas are answered, measured target is placed in the overlapping region of the first radiation areas and the second radiation areas.
Specifically, analog network communicates commonly used to analog satellite, analog network includes support 1 and main test wrapper 2, support
1 place on the ground, main test wrapper 2 is vertically installed on support 1, main test wrapper 2 can be annular, triangle, quadrangle or
Other polygons, in this embodiment using the main test wrapper 2 of ring-shaped, first antenna 3 is provided with multiple, multiple first antennas 3
Circular array is distributed and projects the center to main test wrapper 2, and the plane where first antenna 3 forms the first above-mentioned radiation
Region, first antenna 3 are communicated with measured target, and satellite-signal is produced for simulating；It is enclosed with main test wrapper 2 and inhales ripple material
Material 6, absorbing material 6 is in pyramid, for absorbing the interference signal of outside, improves the measuring accuracy of first antenna 3, while pyramid
The suction of the absorbing material 6 corrugated product of shape is bigger, and wave-absorbing effect is more preferably.
As shown in figure 1, interference network include auxiliary interference ring 4, auxiliary interference ring 4 be arranged on support 1 on and with main test
Ring 2 intersects, main test wrapper 2 and the orthogonal thereto distribution of subtest ring in the present embodiment, the center of auxiliary interference ring 4 and main test
The center superposition of ring 2 is slightly displaced from, and the second antenna 5 is provided with multiple, multiple circular arrays of second antenna 5 distribution and
The center to main test wrapper 2 is projected, for launching interference signal, the plane where the second antenna 5 forms the second above-mentioned radiation
Region, so as to form the crossing condition of the first radiation areas and the second radiation areas；Also it is enclosed with auxiliary interference ring 4 simultaneously
Absorbing material 6, absorbing material 6 are in pyramid, for absorbing the interference signal of outside, reduce the influence to first antenna 3, improve
The measuring accuracy of first antenna 3.
Multichannel link is equipped with auxiliary interference ring 4, multichannel link is connected with the second antenna 5, multichannel chain
Road can introduce multiple interference sources simultaneously, the different layout densities of the second antenna 5 be designed according to demand, so as to form density not
Same interference source.
Also include be connected respectively with front end subsystem and measured target, for according to predetermined policy control front end subsystem
Communicated with measured target and obtain target data from measured target or front end subsystem to carry out the processing of anti-interference capability testing
From the background.
Specifically, processing backstage communicated by multichannel link with the second antenna 5, and by radio frequency line and first pop one's head in and
Measured target is communicated, and is equipped with processing software in platform after treatment, and the targeting signal that measured target receives is handled,
Processing backstage and processing software are prior art, and therefore not to repeat here；Predetermined policy can be：First control first antenna 3 is launched
Satellite Simulation signal launches interference signal to obtain second group to form first group of test data, then by the second antenna 5 of control
Test data, target data can be the receiving power data that measured target obtains, and processing backstage passes through the ratio to two groups of data
Pair or directly carry out the judgement of navigation accuracy and sensitivity by the target data of acquisition.
As shown in figure 1, the first radiation areas are used to carry measured target with being provided with the overlapping region of the second radiation areas
Bogey, bogey includes multiaxial motion platform 7 and plummer, and multiaxial motion platform 7 is arranged on the main bottom of test wrapper 2
Centre position, and for installing plummer（Not shown in figure）；Plummer is used to place measured target, and plummer can be placed in
The main center of test wrapper 2, in the present embodiment, the measured target is GNSS terminal.
Fig. 2, Fig. 3 show the structure chart of the multiaxial motion platform 7, and it can realize the action of six direction.Multiaxis is transported
Moving platform 7 includes base 71, offset supports plate 72, horizontal support rotating disk 73, lateral deflection platform 74, cross slid platform 75 and pole
76；Wherein, the both sides of the base 71 are provided with arc guide barrel 711, and the outside of arc guide barrel 711 is provided with baffle plate 712；Skew
The both sides of supporting plate 72 are provided with the guide wheel 721 coordinated with the arc guide barrel 711, and then offset supports plate 72 can pass through guide wheel
721 are set up on arc guide barrel 711, and arcuately guide groove 711 makees movement in a curve.It is additionally provided with offset supports plate 72 some steady
Fixed wheel 722（It is vertical with guide wheel 721）, after offset supports plate 72 installs, the wheel face of steady wheel 722 and the side wall of base 71
Inner side contradict so that offset supports plate 72 is more stable when making movement in a curve.
Horizontal support rotating disk 73 includes inner tray 731 and outer disk body 732；Wherein, inner tray 731 is directly installed on skew branch
On fagging 72, outer disk body 732 horizontally rotates with inner tray 731 to be connected, and then can provide the rotation of horizontal direction.
The both sides of lateral deflection platform 74 are respectively arranged with rotating junction（741,742）, and by rotating junction with
The both sides rotation connection of outer disk body 732, and then the deflection action of lateral deflection platform 74 can be realized.
Cross slid platform 75 is fixed on lateral deflection platform 74, it is possible to provide the action of X-direction, Y-direction.
Pole 76 is vertically arranged on cross slid platform 75, and it is internally provided with screw mandrel lift drive mechanism, to pass through screw mandrel
Lift drive mechanism drives pole 76 to be acted in Z-direction.
During test, the test system need to be placed in darkroom, first control pole 76 to turn to inclined position, to facilitate installation
Measured target, can be as needed, side of plummer or pole 76 measured target being arranged on pole 76 etc., then
Pole movement is controlled, so that center of the measured target generally within main test wrapper 2, the now physical centre of measured object and master
The center of test wrapper 2 essentially coincides；
First antenna 3 on the main test wrapper 2 of subsequent start-up produces Satellite Simulation signal, while starts the second antenna 5 and send
Interference signal is disturbed the communication between measured target and first antenna 3, right by handling backstage during detection
Diverse location and the second antenna 5 of angle switch over, so as to form the interference source of diverse location and angle, to measured target
Carry out multi-faceted test, make test data more comprehensively, test result it is relatively reliable；To can own during detection
The second antenna 5 start, formed to the comprehensive interference around measured target, make anti-interference test data more comprehensive.
The navigation data that measured object receives is transferred to processing backstage and carries out calculation process, is obtained according to measured target
Receiving power data, the data for judging navigation performance accuracy and sensitivity are drawn, the detection data of the data and standard are carried out
Contrast, according to the deviation between the detection data and standard detection data formed after introducing interference source, you can judge to lead
The positioning precision of boat and sensitivity.
By introducing interference signal when the modulated signal of analog satellite communicates with measured target, in normal GNSS standards
The addition of interference source is obtained under test pattern, so as to draw the influence to measured target satellite communication sensitivity and positioning precision,
Realize the judgement good and bad to navigation performance.
Embodiment two：One kind navigation anti-interference capability testing system, is with the difference of embodiment one, auxiliary interference
Ring 4 is horizontal positioned, and aids in the center of circle of interference ring 4 and the center of circle of main test wrapper 2 to coincide, and so multiple interference probes form
One horizontal interference plane, it is preferable for the interference effect of measured object in the horizontal plane.
Embodiment three：One kind navigation anti-interference capability testing system, is with the difference of embodiment one, auxiliary interference
The slant setting of ring 4, and aid in the center of circle of interference ring 4 and the center of circle of main test wrapper 2 to coincide, so multiple interference probes form
One inclined interference plane, both point interference plane with horizontal direction, divided interference plane with vertical direction again.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
- A kind of 1. anti-interference capability testing front end subsystem, it is characterised in that including：Some it is used for what is communicated with measured target for pair being simulated and being laid with the practical communication of a measured target The analog network of first antenna (3), corresponding first radiation areas of the analog network；And it is laid with some dry for launching The interference network of the second antenna (5) of signal, corresponding second radiation areas of interference network are disturbed, the measured target is placed in The overlapping region of first radiation areas and second radiation areas.
- A kind of 2. anti-interference capability testing front end subsystem according to claim 1, it is characterised in that the interference network Including：Support (1)；And the auxiliary interference ring (4) that the support (1) is used to lay second antenna (5) is carried on, it is described Second antenna (5) is located on the auxiliary interference ring (4)；The analog network includes：The main test wrapper (2) for being used to lay the first antenna (3) of the support (1) is carried on, The first antenna (3) is located on the main test wrapper (2)；First radiation areas are used to carry the measured target with being provided with the overlapping region of second radiation areas Bogey.
- 3. a kind of anti-interference capability testing front end subsystem according to claim 2, it is characterised in that some described second Antenna (5) circular array is distributed and projecting direction disturbs the center of ring (4) towards the auxiliary.
- 4. a kind of anti-interference capability testing front end subsystem according to Claims 2 or 3, it is characterised in that some described First antenna (3) circular array is distributed and projecting direction is towards the center of the main test wrapper (2), and the main test wrapper (2) center, the center of the subtest ring and the physical centre of the measured target coincides.
- A kind of 5. anti-interference capability testing front end subsystem according to Claims 2 or 3, it is characterised in that the auxiliary Interference ring (4) laid inside has the multichannel link to be communicated with some second antennas (5).
- A kind of 6. anti-interference capability testing front end subsystem according to claim 5, it is characterised in that the main test wrapper (2) and the auxiliary disturbs ring (4) orthogonal thereto distribution.
- A kind of 7. anti-interference capability testing front end subsystem according to claim 2, it is characterised in that the main test wrapper (2) and on the auxiliary interference ring (4) it is equipped with pyramidal absorbing material (6).
- 8. a kind of anti-interference capability testing system, it is characterised in that including the front terminal described in claim 1 to 7 any one System；And be connected respectively with the front end subsystem and the measured target, for according to predetermined policy control it is described before Terminal system communicates with the measured target and obtains target data from the measured target or the front end subsystem to carry out The processing backstage of anti-interference capability testing.
- 9. a kind of anti-interference capability testing system, it is characterised in that including the front terminal described in claim 1 to 7 any one System；And be connected respectively with the front end subsystem and the measured target, for according to predetermined policy control it is described before Terminal system communicated with the measured target and from the measured target or the front end subsystem obtain receiving power data with Carry out the processing backstage of anti-interference capability testing.
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| CN201720673059.6U CN206876884U (en) | 2017-06-10 | 2017-06-10 | A kind of anti-interference capability testing system |
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| CN201720673059.6U CN206876884U (en) | 2017-06-10 | 2017-06-10 | A kind of anti-interference capability testing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018223648A1 (en) * | 2017-06-10 | 2018-12-13 | 深圳市新益技术有限公司 | System and method for testing anti-interference capability |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018223648A1 (en) * | 2017-06-10 | 2018-12-13 | 深圳市新益技术有限公司 | System and method for testing anti-interference capability |
| CN109031357A (en) * | 2017-06-10 | 2018-12-18 | 刘科宏 | A kind of anti-interference capability testing system and method |
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Effective date of registration: 20220126 Address after: 518000 a1709, No.17, North District, Fuquan new village, Sanlian community, Longhua street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Xinyi Technology (Shenzhen) Co.,Ltd. Address before: 570203 No. 6, Tanxiang village, Lingshan Town, Meilan District, Haikou City, Hainan Province Patentee before: Liu Kehong |
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