CN105226369B - A kind of interferometer antenna battle array - Google Patents
A kind of interferometer antenna battle array Download PDFInfo
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- CN105226369B CN105226369B CN201510696266.9A CN201510696266A CN105226369B CN 105226369 B CN105226369 B CN 105226369B CN 201510696266 A CN201510696266 A CN 201510696266A CN 105226369 B CN105226369 B CN 105226369B
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Abstract
The invention discloses a kind of interferometer antenna battle array, it includes antenna array part（1）And upright part（2）；The antenna array part（1）Including three active vertical poliarizing antennas（3）, fixed seat among an antenna（4）, fixed seat among three connection antennas（4）With active vertical poliarizing antenna（3）Support device（5）；Fixed seat among the antenna（4）Including a support arm fixed seat（6）, a support arm rotation seat（7）, a support arm rotation seat symmetrical member（8）With a upright bar base（9）；The support arm rotation seat（7）With support arm rotation seat symmetrical member（8）Pass through shaft（10）Drive support device（5）With active vertical poliarizing antenna（3）Rotated horizontally, be fixed by locking device.The present invention provides a kind of interferometer antenna battle array being easily installed with dismounting, selects the different antenna of specification according to actual conditions, need to only be installed the antenna array part of different size, and conveniently store.
Description
Technical field
The present invention relates to a kind of interferometer antenna battle array.
Background technology
Direction-finding station is according to propagation properties, uses the mistake of instrument and equipment measure radio wave arrival bearing
Journey.Measure " arrival bearing ", refer to the direction that electric wave reaches in the tangible electromagnetic environment in direction-finder set location, direction-finding station,
Common final purpose is to determine " direction of radiation source " and " specific location of radiation source ".
For interferometer direction finding system, its direction finding principle is：According to electric wave in traveling, the electric wave come from different directions arrives
During up to direction estimation antenna array, the phase that spatially each direction-finder antenna unit receives is different, thus mutual phase difference is also different,
By measuring come wave phase and phase difference, you can determine arrival bearing.It is direct measurement direction finding day in interferometer direction finding mode
The phase of line induced voltage, then solves phase difference, its mathematical formulae and the formula of amplitude comparison expression direction finding are quite similar.Interference
Instrument direction finding has the characteristics that precision is high, fireballing and be used widely in electronic warfare.
The characteristics of interferometer direction finding system：Using becoming Baseline, can in use, big base antenna battle array, using more letters
Road receiver, computer and FFT technique so that the system direction finder sensitivity is high, and direction finding accuracy is high, and direction finding speed is fast, can survey
, there is certain anti-wavefront distortion ability at the elevation angle.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of convenience for being suitable for lift-off interferometer direction finding
The interferometer antenna battle array of installation and the storage after dismounting and dismounting, and specification and the anglec of rotation can be selected according to actual conditions
Degree.
The purpose of the present invention is what is be achieved through the following technical solutions：A kind of interferometer antenna battle array, it includes antenna array
Part and upright part；The antenna array part includes three active vertical poliarizing antennas, antenna centre fixed seat, three
Fixed seat and the support device of active vertical poliarizing antenna among a connection antenna；Fixed seat includes one among the antenna
Support arm fixed seat, a support arm rotation seat, a support arm rotation seat symmetrical member and a upright bar base；The support arm rotation seat
Drive support device and active vertical poliarizing antenna to be rotated horizontally by shaft with support arm rotation seat symmetrical member, pass through locking
Device is fixed；It is separately mounted to the branch of two active vertical poliarizing antennas of support arm rotation seat and support arm rotation seat symmetrical member
Support arrangement length is identical, the active vertical poliarizing antenna installed in support arm fixed seat and the active vertical installed in support arm rotation seat
The horizontal linear distance of poliarizing antenna is less than λ/2, and wherein λ/2 are the half-wavelength of maximum operating frequency；The upright part bag
Upright bar and the radio-frequency cable being arranged inside upright bar are included, one end of the upright bar connects antenna by the tight lock tube of first antenna and inserts
Head and upright bar base, the other end of upright bar is provided with the tight lock tube of the second antenna for connecting upright pole and exterior direction-finding equipment, and
And also penetrated by the data-interface being connected with radio-frequency cable to what exterior direction-finding equipment transmission active vertical poliarizing antenna received
Frequency signal.
A kind of interferometer antenna battle array further includes main fixed seat, and the main fixed seat protects number by the tight lock tube of the second antenna
According to interface.
The locking device includes rotating nuts and rotating nuts set.
Multiple locating pieces with support arm fixed seat in fixed angle are provided with the shaft, in support arm rotation seat
Angle Selection is carried out when being rotated with support arm rotation seat symmetrical member.
The fixed angle includes 30 degree, 45 degree, 60 degree, 90 degree, 120 degree, 135 degree and 150 degree.
One end that the support device connects active vertical polarized antenna is provided with antenna fixing seat.
Rotation backing pin is both provided with the support arm rotation seat and support arm rotation seat symmetrical member.
The beneficial effects of the invention are as follows：
(1) the present invention provides a kind of interferometer antenna battle array being easily installed with dismounting, can be selected according to actual conditions
The different active vertical poliarizing antenna of specification, need to only be installed the antenna array part of different size；And in antenna
After battle array is using completing, three active vertical poliarizing antennas are rotated to together, are conveniently stored.
(2) using rotation and locking device so that aerial angle can make choice according to actual conditions, practicality
By force.
(3) further, since antenna can be opened and closed up by the present invention during installing with dismounting,
The problem of angle recalculates can be produced.And when the mode for employing the setting fixed angle locating piece in shaft, can be to normal
Angle carries out quick alignment, easy to use and reliable.
Brief description of the drawings
Fig. 1 is 1 decomposition chart of the embodiment of the present invention；
Fig. 2 is the structure chart after the completion of the embodiment of the present invention 1 is assembled；
Fig. 3 is fixed seat partial structural diagram among antenna；
Fig. 4 is data-interface structure diagram；
Fig. 5 is 2 decomposition chart of the embodiment of the present invention；
Fig. 6 is principle of the invention figure；
In figure, 1- antenna arrays part, 2- upright parts, 3- active vertical poliarizing antennas, 4- antennas centre fixed seat, 5- branch
Support arrangement, 6- support arm fixed seats, 7- support arm rotation seats, 8- support arm rotation seat symmetrical members, 9- upright bar bases, 10- shafts, 11- are stood
Bar, 12- aerial plugs, 13- data-interfaces, the tight lock tube of 14- first antennas, the tight lock tube of the second antennas of 15-, the main fixed seats of 16-,
17- rotating nuts, 18- rotating nuts sets, 19- antenna fixing seats, 20- rotation backing pins.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1 and Figure 5, a kind of interferometer antenna battle array, it includes antenna array part 1 and upright part 2.
As shown in Fig. 2, the antenna array part 1 includes fixing among three active vertical poliarizing antennas, 3, antennas
Fixed seat 4 and the support device 5 of active vertical poliarizing antenna 3 among 4, three connection antennas of seat.
As shown in figure 3, fixed seat 4 includes 6, support arm rotation seats 7, one of a support arm fixed seat among the antenna
A support arm rotation seat symmetrical member 8 and a upright bar base 9；The support arm rotation seat 7 and support arm rotation seat symmetrical member 8 are by turning
Axis 10 drives support device 5 and active vertical poliarizing antenna 3 to be rotated horizontally, and is fixed by locking device.
It is separately mounted to the support of two active vertical poliarizing antennas of support arm rotation seat 7 and support arm rotation seat symmetrical member 8
5 length of device is identical.
In order to avoid phase ambiguity, the active vertical poliarizing antenna 3 installed in support arm fixed seat 6 installed in support arm with rotating
The horizontal linear distance of the active vertical poliarizing antenna 3 of seat 7 is less than λ/2, and wherein λ/2 are the half-wavelength of maximum operating frequency.
The distance between antenna in support arm fixed seat 6 and the antenna on support arm rotation seat 7, with installation
Distance between antenna in support arm fixed seat 6 and the antenna on support arm rotation seat symmetrical member 8 is equal, and is no more than
The half-wavelength of λ/2, i.e. maximum operating frequency, phase are no more than 180 degree.We select 150 degree of maximum operating frequency herein.
At this time, have two kinds of situations to produce, support device 5 is shorter and support device 5 is longer：As shown in Figure 1, embodiment 1
For in the case of support device 5 is longer, antenna distance 600mm, working frequency at this time is 70~200MHz；Such as Fig. 4 institutes
Show, embodiment 2 is antenna distance 220mm in the case of support device 5 is shorter, and working frequency at this time is 200~500.
The upright part 2 includes upright bar 11 and the radio-frequency cable being arranged inside upright bar 11, the upright bar 11
One end connects aerial plug 12 and upright bar base 9 by the tight lock tube 14 of first antenna, as shown in figure 4, the other end of upright bar 11 is set
It is equipped with the tight lock tube 15 of the second antenna for connecting upright pole 11 and exterior direction-finding equipment, and also by being connected with radio-frequency cable
The radiofrequency signal that data-interface 13 is received to exterior direction-finding equipment transmission active vertical poliarizing antenna 3.
A kind of interferometer antenna battle array further includes main fixed seat 16, and the main fixed seat 16 passes through the tight lock tube 15 of the second antenna
Protect data-interface 13.
After antenna is using completing, after the process dismantled, the data-interface 13 of upright part 2 can be exposed to sky
In gas, and data-interface 13 is protected using main fixed seat 16, improve the service life of whole antenna array.
The locking device includes rotating nuts 17 and rotating nuts set 18.Be provided with the shaft 10 it is multiple with
Support arm fixed seat 6 is in the locating piece of fixed angle, for being carried out in support arm rotation seat 7 and the rotation of support arm rotation seat symmetrical member 8
Angle Selection.The fixed angle includes 30 degree, 45 degree, 60 degree, 90 degree, 120 degree, 135 degree and 150 degree.
Since antenna can be opened and closed up by the present invention during installing with dismounting.Angle weight can be produced
New the problem of calculating.And when the mode for employing the setting fixed angle locating piece in shaft, common angle can be carried out
Quick alignment, it is easy to use and reliable.
One end that the support device 5 connects active vertical polarized antenna 3 is provided with antenna fixing seat 19.
Rotation backing pin 20 is both provided with the support arm rotation seat 7 and support arm rotation seat symmetrical member 8.
Fig. 6 is the schematic diagram of interferometer antenna battle array, and " 1 " number antenna represents the antenna being installed in support arm fixed seat 6 in figure,
" 2 " number antenna expression is installed on the antenna on support arm rotation seat 7 in figure, and " 3 " number antenna represents to be installed on support arm rotation seat in figure
Antenna on symmetrical member 8.
When arrival bearing is θ, signal reaches 3 antenna times differences, therefore can obtain two wave path-differences, is respectively
Φ 12 and Φ 13.
When the elevation angle of incoming wave signal is 0 °, wave path-difference is as follows
It can be obtained by formula (1) and formula (2)
12/ Φ 13 of tan θ=Φ；(3)
Arrival bearing can be obtained by formula (3)
θ=arctan (12/ Φ 13 of Φ).
When the elevation angle of arrival bearing is β, wave path-difference is as follows
It can be obtained by formula (4) and formula (5)
12/ Φ 13 of tan θ=Φ；(6)
Arrival bearing can be obtained by formula (6) tangent of negating
θ=arctan (12/ Φ 13 of Φ)；
It can also be obtained by formula (4) and formula (5)
The incoming wave elevation angle can be obtained by formula (7) cosine of negating
Claims (5)
- A kind of 1. interferometer antenna battle array, it is characterised in that：It includes antenna array part（1）And upright part（2）；The antenna Battle array part（1）Including three active vertical poliarizing antennas（3）, fixed seat among an antenna（4）, it is solid among three connection antennas Reservation（4）With active vertical poliarizing antenna（3）Support device（5）；Fixed seat among the antenna（4）Including a support arm Fixed seat（6）, a support arm rotation seat（7）, a support arm rotation seat symmetrical member（8）With a upright bar base（9）；The branch Arm rotation seat（7）With support arm rotation seat symmetrical member（8）Pass through shaft（10）Drive support device（5）With active vertical poliarizing antenna （3）Rotated horizontally, be fixed by locking device；It is separately mounted to support arm rotation seat（7）It is symmetrical with support arm rotation seat Part（8）Two active vertical poliarizing antennas support device（5）Length is identical, installed in support arm fixed seat（6）It is active hang down Straight poliarizing antenna（3）With installed in support arm rotation seat（7）Active vertical poliarizing antenna（3）Horizontal linear distance be less than λ/2, Wherein λ/2 are the half-wavelength of maximum operating frequency；The upright part（2）Including upright bar（11）Be arranged at upright bar（11）It is interior The radio-frequency cable in portion, the upright bar（11）One end pass through the tight lock tube of first antenna（14）Connect aerial plug（12）With upright bar Base（9）, upright bar（11）The other end be provided with for connecting upright pole（11）With the tight lock tube of the second antenna of exterior direction-finding equipment （15）, and the data-interface also by being connected with radio-frequency cable（13）Active vertical poliarizing antenna is sent to exterior direction-finding equipment （3）The radiofrequency signal received, the interferometer antenna battle array further include main fixed seat（16）, the main fixed seat（16）Pass through The tight lock tube of second antenna（15）Protect data-interface（13）, the locking device includes rotating nuts（17）With rotating nuts set （18）.
- A kind of 2. interferometer antenna battle array according to claim 1, it is characterised in that：The shaft（10）On be provided with it is more A and support arm fixed seat（6）In the locating piece of fixed angle, in support arm rotation seat（7）With support arm rotation seat symmetrical member（8） Angle Selection is carried out during rotation.
- A kind of 3. interferometer antenna battle array according to claim 2, it is characterised in that：The fixed angle include 30 degree, 45 degree, 60 degree, 90 degree, 120 degree, 135 degree and 150 degree.
- A kind of 4. interferometer antenna battle array according to claim 1, it is characterised in that：The support device（5）It is connected with Source vertical polarized antenna（3）One end be provided with antenna fixing seat（19）.
- A kind of 5. interferometer antenna battle array according to claim 1, it is characterised in that：The support arm rotation seat（7）And branch Arm rotation seat symmetrical member（8）On be both provided with rotation backing pin（20）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510696266.9A CN105226369B (en) | 2015-10-23 | 2015-10-23 | A kind of interferometer antenna battle array |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510696266.9A CN105226369B (en) | 2015-10-23 | 2015-10-23 | A kind of interferometer antenna battle array |
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| Publication Number | Publication Date |
|---|---|
| CN105226369A CN105226369A (en) | 2016-01-06 |
| CN105226369B true CN105226369B (en) | 2018-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510696266.9A Active CN105226369B (en) | 2015-10-23 | 2015-10-23 | A kind of interferometer antenna battle array |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546369B (en) * | 2018-12-29 | 2024-03-26 | 京信通信技术(广州)有限公司 | Bundling joint structure, array antenna and antenna system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB596614A (en) * | 1944-07-22 | 1948-01-07 | Standard Telephones Cables Ltd | Antenna structure |
| CN201682042U (en) * | 2010-03-12 | 2010-12-22 | 深圳市海生机房技术有限公司 | Folded antenna |
| CN204991925U (en) * | 2015-10-23 | 2016-01-20 | 成都九华圆通科技发展有限公司 | Interferometer antenna battle array |
-
2015
- 2015-10-23 CN CN201510696266.9A patent/CN105226369B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB596614A (en) * | 1944-07-22 | 1948-01-07 | Standard Telephones Cables Ltd | Antenna structure |
| CN201682042U (en) * | 2010-03-12 | 2010-12-22 | 深圳市海生机房技术有限公司 | Folded antenna |
| CN204991925U (en) * | 2015-10-23 | 2016-01-20 | 成都九华圆通科技发展有限公司 | Interferometer antenna battle array |
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| Publication number | Publication date |
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| CN105226369A (en) | 2016-01-06 |
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Inventor after: Ning Tao Inventor after: Liu Donghua Inventor after: Cui Kai Inventor after: Yu Fei Inventor after: Zheng Qing Inventor before: Ning Tao Inventor before: Yin Qi Inventor before: Liu Baolu Inventor before: Wu Weidong Inventor before: Hu Shouming |
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