CN106093894B - A kind of passive dihedral angle externally coefficient potentiometer - Google Patents
A kind of passive dihedral angle externally coefficient potentiometer Download PDFInfo
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- CN106093894B CN106093894B CN201610383332.1A CN201610383332A CN106093894B CN 106093894 B CN106093894 B CN 106093894B CN 201610383332 A CN201610383332 A CN 201610383332A CN 106093894 B CN106093894 B CN 106093894B
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- reflecting surface
- dihedral angle
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- installation axle
- bracket
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
Abstract
The invention discloses a kind of passive dihedral angle externally coefficient potentiometer, the passive dihedral angle externally coefficient potentiometer includes：Dihedral angle reflecting surface, dihedral angle reflecting surface bracket, omnidirectional's regulating device, pedestal, wherein the dihedral angle reflecting surface is fixed on the dihedral angle reflecting surface bracket；Omnidirectional's regulating device includes：Installation axle and axle sleeve；The pedestal includes two vertical support frames；The axle sleeve is set between two described two vertical support frames, is connect by rotation axis with the vertical support frame, is axially rotated along the rotation axis；The dihedral angle reflecting surface bracket is fixedly connected with the installation axle first end, is axially rotated along the installation axle.
Description
Technical field
The present invention relates to the Detection Techniques of synthetic aperture radar more particularly to a kind of passive dihedral angle externally coefficient potentiometers.
Background technique
The polarization externally coefficient potentiometer of synthetic aperture radar includes source scaler and passive scaler, and source scaler adapts to model
Wide, calibration precision height is enclosed, but the cost is relatively high, to there is power supply；And to rely primarily on ground return device anti-for passive scaler
Radar wave is penetrated to realize calibration, is the efficient combination of purely mechanic workpiece；Passive scaler is processed and is designed to reflector itself
More demanding, cost of manufacture is relatively low；It can be arranged in field, not need electric power, lighter in weight is easy to carry, to laying
Personnel requirement is lower, and passive scaler can once be laid and be used for multiple times, and is suitable for high and low temperature, the climatic environments such as general wind and rain,
It can be unattended.
Therefore, a kind of passive scaler convenient for adjusting, environmental suitability is strong how is designed, is a problem to be solved.
Summary of the invention
In view of this, not only can be carried out various appearances an embodiment of the present invention is intended to provide a kind of passive dihedral angle externally coefficient potentiometer
The comprehensive adjusting at state angle adjusts convenient for omnidirectional, and has stronger environmental suitability.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
The embodiment of the invention provides a kind of passive dihedral angle externally coefficient potentiometer, the passive dihedral angle externally coefficient potentiometer includes：
Dihedral angle reflecting surface, dihedral angle reflecting surface bracket, omnidirectional's regulating device, pedestal, wherein
The dihedral angle reflecting surface is fixed on the dihedral angle reflecting surface bracket；Omnidirectional's regulating device includes：Peace
Fill axis and axle sleeve；The pedestal includes two vertical support frames；The axle sleeve be set to two described two vertical support frames it
Between, it is connect by rotation axis with the vertical support frame, is axially rotated along the rotation axis；The dihedral angle reflecting surface bracket with
The first end of the installation axle is fixedly connected, and is axially rotated along the installation axle.
In above scheme, omnidirectional's regulating device further includes：Connecting rod；Described connecting rod one end and the axle sleeve are hinged, institute
The connecting rod other end is stated equipped with sliding shoe, sliding shoe can slide in the sliding recess in the vertical support frame, make the axis
Set is axially rotated along the rotation axis；Pitching caging bolt is equipped between the sliding shoe and the sliding recess, being used for will be described
Sliding shoe is fixed on the sliding recess.
In above scheme, more than one lock-screw is provided on the axle sleeve, the lock-screw passes through the axis
Screw hole ecto-entad locks axle sleeve on set, passes through the fixed peace of the frictional force of the lock-screw front end and the installation axle
Fill axis.
In above scheme, the second end of the installation axle is provided with screw thread, and locking nut is by the thread bush described
The second end of installation axle screws the locking nut, is close to the locking nut with the axle sleeve, the fixed installation axle.
In above scheme, the dihedral angle reflecting surface bracket includes：First reflection of the dihedral angle reflecting surface is set
The reflecting surface right angle fixing piece in face and the second reflecting surface intersecting lens, and be arranged in first reflecting surface and the second reflecting surface two
The lateral margin supporting element of side；The dihedral angle reflecting surface bracket further includes more than one reflecting plate diagonal brace；The reflecting plate diagonal brace
It is arranged in the dihedral angle reflecting surface bracket two sides, the both ends of the reflecting plate diagonal brace are respectively and fixedly connected with anti-in being located at ipsilateral first
It penetrates on surface side edge supporting element and the second reflecting surface lateral margin supporting element.
In above scheme, the both ends of the reflecting plate diagonal brace are respectively and fixedly connected with to be supported in positioned at the first ipsilateral reflecting surface lateral margin
The top of part and the second reflecting surface lateral margin supporting element；
Measurement mounting rack is provided on the reflecting plate diagonal brace, the measurement mounting rack is used for installation position measuring instrument.
In above scheme, the dihedral angle reflecting surface bracket is fixedly connected with the first end of the installation axle；Including：
Square shaft is provided on reflecting surface right angle fixing piece, the square shaft is installed in the first end of the installation axle
In square pit, and it is screwed；
Reflecting surface right angle fixing piece is located at first reflecting surface and the second reflecting surface intersecting lens center.
In above scheme, it is provided with attachment device on the dihedral angle reflecting surface bracket, is used for connection stay cord, the drawstring
The other end be connected with ground nail；
The drawstring is connect by tensing adjusting nut with the ground nail；
The attachment device is arranged in described four endpoint locations of dihedral angle reflecting surface stent outer.
In above scheme, the dihedral angle reflecting surface is fixed on the dihedral angle reflecting surface bracket by riveting.
In above scheme, the pedestal further includes：Horizontal platform, pedestal mounting plate and more than one carrying bolt；
The vertical support frame is arranged on the horizontal platform；The carrying bolt both ends are equipped with screw thread, and centre is equipped with convex
It rises, one end is fixed on the pedestal mounting plate, and the other end passes through the horizontal platform, by horizontal platform described in the raised support,
And pass through the fixed horizontal platform of nut.
In above scheme, the dihedral angle reflecting surface, dihedral angle reflecting surface bracket and omnidirectional's regulating device use metal material
Material, the pedestal use nonmetallic materials.
Passive dihedral angle externally coefficient potentiometer provided by the embodiment of the present invention, passive dihedral angle externally coefficient potentiometer includes dihedral angle
Reflecting surface, dihedral angle reflecting surface bracket, omnidirectional's regulating device, pedestal；Wherein, the dihedral angle reflecting surface is fixed on two face
On the bracket of corner reflection face；Omnidirectional's regulating device includes installation axle and axle sleeve；The pedestal includes two vertical support frames；Institute
It states axle sleeve to be set between two described two vertical support frames, be connect by rotation axis with the vertical support frame, along described
Rotation axis axially rotates；The dihedral angle reflecting surface bracket is fixedly connected with the installation axle first end, along the installation axle axis
To rotation.In this way, be able to achieve dihedral angle reflecting surface omnidirectional rotation so that passive dihedral angle externally coefficient potentiometer can be carried out it is various
The comprehensive adjusting of attitude angle adjusts convenient for omnidirectional.In addition, the embodiment of the present invention also fixes passive two by drawstring and ground nail
Face angle externally coefficient potentiometer, to resist the bad weather circumstances such as strong wind, to make passive dihedral angle externally coefficient potentiometer that there is stronger environment
Adaptability.
Detailed description of the invention
Fig. 1 is the composed structure schematic diagram of the passive dihedral angle externally coefficient potentiometer of the embodiment of the present invention；
Fig. 2 is omnidirectional of embodiment of the present invention regulating device and pedestal composed structure schematic diagram；
Fig. 3 is the composed structure schematic diagram of dihedral angle of embodiment of the present invention reflecting surface and dihedral angle reflecting surface bracket；
Fig. 4 is reflecting plate of embodiment of the present invention diagonal brace and measurement mounting rack assembly structure diagram；
Fig. 5 is that the embodiment of the present invention measures mounting rack structural schematic diagram；
Fig. 6 is that omnidirectional of embodiment of the present invention regulating device pitch angle adjusts schematic diagram；
Fig. 7 is omnidirectional of embodiment of the present invention regulating device and dihedral angle reflecting surface bracket assembling structure schematic diagram；
Fig. 8 is the composed structure schematic diagram of omnidirectional of embodiment of the present invention regulating device installation axle locking device；
Fig. 9 is ground nail structure of embodiment of the present invention schematic diagram；
Figure 10 is the composed structure schematic diagram of carrying bolt of the embodiment of the present invention；
Figure 11 is that course of the embodiment of the present invention adjusts schematic diagram；
Figure 12 is pitch regulation of embodiment of the present invention schematic diagram；
Figure 13 is that attitude angle of the embodiment of the present invention adjusts schematic diagram；
Figure 14 is that compass of embodiment of the present invention posture rotation angle adjusts result schematic diagram.
Specific embodiment
In the embodiment of the present invention, passive dihedral angle externally coefficient potentiometer include dihedral angle reflecting surface, dihedral angle reflecting surface bracket,
Omnidirectional's regulating device, pedestal；Wherein, the dihedral angle reflecting surface is fixed on the dihedral angle reflecting surface bracket；The omnidirectional
Regulating device includes installation axle and axle sleeve；The pedestal includes horizontal platform and two vertical support frames；The axle sleeve is set to two
It between a described two vertical support frames, is connect by rotation axis with the vertical support frame, is axially rotated along the rotation axis；
The dihedral angle reflecting surface bracket is fixedly connected with the installation axle first end, is axially rotated along the installation axle；To realize two
The omnidirectional of face angle reflecting surface rotates.
Below with reference to embodiment, the present invention is further described in more detail.
Passive dihedral angle externally coefficient potentiometer provided in an embodiment of the present invention, as shown in Figure 1, the passive dihedral angle externally coefficient potentiometer
Including：Dihedral angle reflecting surface 1, dihedral angle reflecting surface bracket 2, omnidirectional's regulating device 3, pedestal 4, wherein the dihedral angle reflection
Face 1 is fixed on the dihedral angle reflecting surface bracket 2；As shown in Fig. 2, omnidirectional's regulating device 3 includes：Installation axle 5 and axis
Set 6；The pedestal 4 includes：Horizontal platform 7 and two vertical support frames 8；The axle sleeve 6 is set to two described two vertical branch
It between support 8, is connect by rotation axis 9 with the vertical support frame 8, along the axial rotation of the rotation axis 9；The dihedral angle is anti-
It penetrates face bracket 2 to be fixedly connected with 5 first end 10 of installation axle, and can be along the axial rotation of the installation axle 5；
Specifically, the dihedral angle reflecting surface 1 is by two vertical square-shaped metal board groups at work as shown in Fig. 3 (a)
It is as principle：The polarized electromagnetic wave that the airborne or satellite-borne synthetic aperture radar for being incident on the first reflecting surface 11 emits is reflected into the
On two reflectings surface 12, polarized electromagnetic wave signal reflex is being returned radar again by the second reflecting surface 12；The reflection process can change reflection
The polarized state for returning radar electromagnetic wave, makes it contain specific cross-polarized signals.In order to realize the reflecting polarised of radar wave, instead
Penetrating has higher requirement in face of flatness, requires to save good verticality between the first reflecting surface 11 and the second reflecting surface 12.
In practical application, dihedral angle reflecting surface 1 can be made of vertical bending metal plate, and surface part unevenness is less than 2mm, and two is anti-
The non-perpendicularity in face is penetrated less than 0.2 °, each reflecting surface is rectangle, and size can be 50cmX50cm or 60cmX60cm etc.；Two faces
The material in corner reflection face 1 can select the surface smooth aluminum panel of 5mm thickness.
The dihedral angle reflecting surface bracket 2, as shown in Fig. 3 (b), including：Setting is in the first reflecting surface 11 and the second reflection
The reflecting surface right angle fixing piece 13 of 12 intersecting lens of face, and the first reflecting surface 11 and of the dihedral angle reflecting surface 1 is set
The lateral margin supporting element 14 of two reflectings surface, 12 two sides can also include the horizontal support piece 15 perpendicular to the lateral margin supporting element 14；
In practical application, reflecting surface right angle fixing piece 13, lateral margin supporting element 14 and horizontal support piece 15 can be using finishing millings
The metalwork of system, such as aluminum component guarantee planarity requirements and verticality requirement.
Reflecting plate diagonal brace 16, the both ends of reflecting plate diagonal brace 16 are respectively arranged in 2 two sides of dihedral angle reflecting surface bracket
It is respectively and fixedly connected on ipsilateral 12 lateral margin supporting element 14 of 11 lateral margin supporting element 14 of the first reflecting surface and the second reflecting surface.Into one
Step, the both ends of the reflecting plate diagonal brace 16 are respectively and fixedly connected in positioned at ipsilateral 11 lateral margin supporting element 14 and second of the first reflecting surface
The top of 12 lateral margin supporting element 14 of reflecting surface；As shown in figure 4, measurement mounting rack can be set on the reflecting plate diagonal brace 16
17, the concrete form for measuring mounting rack 17 can be as shown in figure 5, the measurement mounting rack 17 be used for installation position measuring instrument；
The azimuthal measurement instrument includes theodolite with compass；The reflecting plate diagonal brace 16 can use nonmetallic materials, such as nylon；It is practical
In, the reflecting plate diagonal brace 16 requires good straightness, and the planarity requirements overall length unevenness on surface is less than 0.2mm,
Fixation hole can be set among reflecting plate diagonal brace 16, be used for fixation measuring mounting rack 17.Dihedral angle reflecting surface 1 and dihedral angle are anti-
Penetrate between face bracket 2 and dihedral angle reflecting surface bracket 2 on can be riveted together by sunk head rivet between each components,
Keep dihedral angle reflecting surface 1 smooth.
Omnidirectional's regulating device 3, as shown in Fig. 2, including：Installation axle 5 and axle sleeve 6, the first end 10 of the installation axle 5
For fixing the dihedral angle reflecting surface bracket 2, the second end 18 of the installation axle 5 is provided with screw thread；The axle sleeve 6 is set to
Between two described two vertical support frames 8, it is connect by rotation axis 9 with the vertical support frame 8；In this way, omnidirectional's tune
Regulating device 3 can be along the axial rotation of the rotation axis 9；The rotation axis 9 can be set in the first end close to the installation axle 5
10 position.
As shown in Fig. 6 (a) and Fig. 6 (b), omnidirectional's regulating device 3 can also be on the axle sleeve 6 close to described second
The position articulated linkage 19 at end 18, described 19 one end of connecting rod and the axle sleeve 6 are hinged, and the other end is equipped with sliding shoe 28, sliding shoe
28 can slide in the sliding recess 29 in the vertical support frame 8；In this way, the axle sleeve 6 and the connecting rod 19 form
One crank connecting rod sliding block mechanism makes omnidirectional's regulating device 3 along the axial rotation of the rotation axis 9, realizes pitch regulation；
It is equipped with pitching caging bolt 20 between the sliding shoe 28 and the sliding recess 29, is needed when adjusting omnidirectional's regulating device 3 arrives
When the pitch angle wanted, the sliding shoe 28 is fixed on the sliding recess 29 by pitching caging bolt 20；It can in practical application
To directly adopt the stud of the pitching caging bolt 20 as sliding shoe 28.
The structure of the fixed dihedral angle reflecting surface bracket 2 of the first end 10 of the installation axle 5, such as Fig. 7 (a) and Fig. 7 (b)
It is shown, including：Square shaft is provided on reflecting surface right angle fixing piece 13,5 first end 10 of installation axle is equipped with and the side
The corresponding rectangular hole of axis, reflecting surface right angle fixing piece 13 are installed in the square pit of the installation axle 5 by the square shaft,
And be screwed, in practical application, it can choose two reflecting surface intersecting lens center positions in dihedral angle reflecting surface 1
Reflecting surface right angle fixing piece 13 is used as fixed point；The fixing means facilitates processing and separately transport, and is able to achieve the fast of scene
Speed installation.In this way, the dihedral angle reflecting surface bracket 2 for being mounted on omnidirectional's regulating device 3 can be along 5 axis of installation axle
To rotation, it is known as attitude angle along the axial rotation of the installation axle 5 and adjusts, and follows omnidirectional's regulating device 3 along the rotation
The axial rotation of axis 9, the omnidirectional for realizing pitch angle and attitude angle are adjusted.
Further, as shown in figure 8, being provided with more than one lock-screw 21, the lock-screw on the axle sleeve 6
21 lock axle sleeve 6 by the screw hole ecto-entad on the axle sleeve 6, pass through rubbing for 21 front end of lock-screw and the installation axle 5
Wipe the fixed installation axle 5 of power；The second end 18 of the installation axle 5 is provided with screw thread, and locking nut 22 passes through the thread bush
In the second end 18 of the installation axle 5, screwing the locking nut 22 makes described to screw locking nut 22 and the axle sleeve 6 is tight
Patch, the fixed installation axle 5.
Further, as shown in Figure 1, being provided with attachment device on the dihedral angle reflecting surface bracket 2, it is used for connection stay cord
23, the other end of the drawstring 23 is connected with ground nail 24；24 shape of ground nail can be as shown in figure 9, the ground nail 24 be fixed
On ground, the dihedral angle reflecting surface bracket 2 is strained and fixed by drawstring 23, in this way, wind-force can be prevented anti-to dihedral angle
Penetrate the influence of face bracket 2；The attachment device can be set in 2 four endpoint locations in outside of dihedral angle reflecting surface bracket；
Wherein, the attachment device can be the aperture on dihedral angle reflecting surface bracket 2, and drawstring 23 can tie up in the aperture.
Further, as shown in Fig. 2, the pedestal 4 further includes：Pedestal mounting plate 25 and more than one carrying bolt
26；As shown in Figure 10,26 both ends of carrying bolt are equipped with screw thread, and centre is equipped with protrusion, and one end is fixed on the pedestal installation
Plate 25, the other end passes through the horizontal platform 7, by horizontal platform 7 described in the raised support, and passes through the fixed level of nut
Platform 7.In practical application, four carrying bolts 26 can be set in the quadrangle of the horizontal platform 7 and be used for Level tune：Pass through adjusting
Carrying bolt 26 keeps 7 holding of horizontal platform horizontal.
To reduce non-reflective component to the reflected intensity of radar wave, reduce interference of the extraneous background to back wave, described two
Face angle reflecting surface bracket 2, omnidirectional's regulating device 3 and other fixing screws for being used to adjust, nut can use metal, if not
The materials such as steel that become rusty make；Remaining part can be using nonmetallic, such as nylon and epoxy resin board material.
Use of the invention is described in further detail below with reference to specific example.
Passive dihedral angle externally coefficient potentiometer will reflect the microwave radiation of radar, it is necessary in scheduled position, with correct angle
Could work with posture, so, after passive dihedral angle externally coefficient potentiometer is put into scheduled position, it is necessary to dihedral angle reflecting surface 1 into
Row is adjusted, and adjusting sequence is as follows：
A, position determines：Mounted passive dihedral angle externally coefficient potentiometer is placed on predetermined position, ground is preferably hard smooth,
Pedestal mounting plate 25, which is placed on the ground, not to be shaken, and is recorded and measured accurate location with GPS；
B, Level tune：Four carrying bolts 26 on adjustment base 4 keep horizontal platform 7 horizontal, the measurement of available horizontal ruler；
C, course is adjusted：As shown in figure 11, measurement mounting rack 17 is mounted on reflecting plate diagonal brace 16, measurement mounting rack
17 pin is mounted in the interstitial hole of reflecting plate diagonal brace 16, theodolite with compass 27 is fixed on measurement mounting rack 17, rotation
Dihedral angle reflecting surface bracket 2 keeps dihedral angle reflecting surface bracket 2 horizontal, screws lock-screw 21 and locking nut 22, then pass through tune
Whole 25 direction of pedestal mounting plate surveys the orientation of dihedral angle reflecting surface 1 with theodolite with compass 27, makes sieve on dihedral angle reflecting surface 1
Angles of display is consistent with course line on disk theodolite 27, obtains firm banking mounting plate 25 behind correct position；
D, pitch regulation：Two measurement mounting racks 17 are mounted on reflecting plate diagonal brace 16, theodolite with compass 27 is fixed
On two measurement mounting racks 17, the pitching caging bolt 20 on pedestal 4 is unclamped, the connecting rod 19 of omnidirectional's regulating device 3 is adjusted, makes
The variation of 1 pitch angle of dihedral angle reflecting surface surveys reflecting surface pitch angle with theodolite with compass 27, makes 1 centre normal of dihedral angle reflecting surface
It is directed at radar, as shown in Figure 12 (a) and Figure 12 (b), locks pitching caging bolt 20 after obtaining correct position；
E, attitude angle is adjusted：As shown in figure 13, if α is pitch angle, β is attitude angle；There is coupling between attitude angle and pitch angle
It closes, needs first to adjust pitch angle, then adjust attitude angle.But pitch angle be (α ≠ 0 ° or α ≠ 90 °) α when, attitude angle beta is difficult
Directly measure；IfTo be α when pitch angle, when attitude angle is β, the angle that compass posture rotates through, hereinafter referred to as compass posture
Rotation angle；Compass posture rotation angle can be measured with theodolite with compass 27Research finds attitude angle beta and compass posture rotation angleThere is following relationship：Therefore, by adjusting compass posture rotation angleTo realize attitude angle beta
It adjusts；It is α that pitch angle, which is calculated, compass posture rotation angle when attitude angle is βAfter angle, lock-screw shown in release
21 and locking nut 22, dihedral angle reflecting surface bracket 2 is rotated, surveys compass posture rotation angle with theodolite with compass 27Such as Figure 14 institute
Show, fixation screws lock-screw 21 and locking nut 22 after obtaining correct position；
F, ground tension device：The adjustment of each angle terminates, 2 surrounding of dihedral angle reflecting surface bracket four direction fixedly
Nail 24, by tense adjusting nut connection stay cord 23, and by adjust tense adjusting nut tense drawstring 23, make all directions by
Power is uniform, reaches windproof purpose.On soft soil, the fixed ground nail 24 in ground can also be fixed on the four of floor mounting pads
In a hole location, 24 head of ground nail of 1 front of dihedral angle reflecting surface is covered with absorbing material, reduces reflection.In ground whole nothing
Method can be pressed on floor mounting pads with road surfaces such as the cement of ground nail 24 with nonmetallic weight, also can achieve windproof purpose.
The above, good embodiment only of the invention, is not intended to limit the scope of the present invention, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in protection model of the invention within the spirit and principle of invention
Within enclosing.
Claims (10)
1. a kind of passive dihedral angle externally coefficient potentiometer, which is characterized in that the passive dihedral angle externally coefficient potentiometer includes：Dihedral angle reflection
Face (1), dihedral angle reflecting surface bracket (2), omnidirectional's regulating device (3), pedestal (4), wherein
The dihedral angle reflecting surface (1) is fixed on the dihedral angle reflecting surface bracket (2)；Omnidirectional's regulating device (3) packet
It includes：Installation axle (5) and axle sleeve (6)；The pedestal (4) includes two vertical support frames (8)；The axle sleeve (6) is set to two
It between vertical support frame (8), is connect by rotation axis (9) with the vertical support frame (8), is axially turned along the rotation axis (9)
It is dynamic；The dihedral angle reflecting surface bracket (2) is fixedly connected with the first end (10) of the installation axle (5), along the installation axle (5)
Axial rotation；
Omnidirectional's regulating device (3) further includes：Connecting rod (19)；Described connecting rod (19) one end and the axle sleeve (6) hingedly, institute
Connecting rod (19) other end is stated equipped with sliding shoe (28), sliding shoe (28) can be in the sliding recess on the vertical support frame (8)
(29) sliding in rotates the axle sleeve (6) axially along the rotation axis (9)；The sliding shoe (28) and the sliding recess
(29) pitching caging bolt (20) are equipped between, for the sliding shoe (28) to be fixed on the sliding recess (29).
2. passive dihedral angle externally coefficient potentiometer according to claim 1, which is characterized in that
It is provided with more than one lock-screw (21) on the axle sleeve (6), the lock-screw (21) passes through the axle sleeve (6)
On screw hole ecto-entad lock axle sleeve (6), it is solid by the frictional force of the lock-screw (21) front end and the installation axle (5)
The fixed installation axle (5).
3. passive dihedral angle externally coefficient potentiometer according to claim 1 or 2, which is characterized in that
The second end (18) of the installation axle (5) is provided with screw thread, and locking nut (22) is by the thread bush in the installation
The second end (18) of axis (5), screws the locking nut (22), is close to the locking nut (22) with the axle sleeve (6), Gu
The fixed installation axle (5).
4. passive dihedral angle externally coefficient potentiometer according to claim 1, which is characterized in that the dihedral angle reflecting surface bracket
(2) include：Reflection in the first reflecting surface (11) and the second reflecting surface (12) intersecting lens of the dihedral angle reflecting surface (1) is set
Face right angle fixing piece (13), and setting is in the lateral margin supporting element of first reflecting surface (11) and the second reflecting surface (12) two sides
(14)；The dihedral angle reflecting surface bracket (2) further includes more than one reflecting plate diagonal brace (16)；The reflecting plate diagonal brace
(16) it is arranged in dihedral angle reflecting surface bracket (2) two sides, the both ends of the reflecting plate diagonal brace (16) are respectively and fixedly connected in being located at
On ipsilateral the first reflecting surface (11) lateral margin supporting element (14) and the second reflecting surface (12) lateral margin supporting element (14).
5. passive dihedral angle externally coefficient potentiometer according to claim 4, which is characterized in that the two of the reflecting plate diagonal brace (16)
End is respectively and fixedly connected in positioned at ipsilateral the first reflecting surface (11) lateral margin supporting element (14) and the second reflecting surface (12) lateral margin supporting element
(14) top；
Measurement mounting rack (17) is provided on the reflecting plate diagonal brace (16), the measurement mounting rack (17) is surveyed for installation position
Measuring appratus.
6. passive dihedral angle externally coefficient potentiometer according to claim 4, which is characterized in that the dihedral angle reflecting surface bracket
(2) it is fixedly connected with the first end (10) of the installation axle (5)；Including：
Square shaft is provided on reflecting surface right angle fixing piece (13), the square shaft is installed on the first end of the installation axle (5)
(10) it in the square pit on, and is screwed；
Reflecting surface right angle fixing piece (13) is located at first reflecting surface (11) and the second reflecting surface (12) intersecting lens center
Position.
7. passive dihedral angle externally coefficient potentiometer according to claim 4, which is characterized in that
Be provided with attachment device on the dihedral angle reflecting surface bracket (2), be used for connection stay cord (23), the drawstring (23) it is another
One end is connected with ground nail (24)；
The drawstring (23) is connect by tensing adjusting nut with the ground nail (24)；
Attachment device setting four endpoint locations on the outside of the dihedral angle reflecting surface bracket (2).
8. according to the described in any item passive dihedral angle externally coefficient potentiometers of claim 4 to 7, which is characterized in that the dihedral angle is anti-
Face (1) is penetrated to be fixed on the dihedral angle reflecting surface bracket (2) by riveting.
9. passive dihedral angle externally coefficient potentiometer according to claim 1, which is characterized in that the pedestal (4) further includes：It is horizontal
Platform (7), pedestal mounting plate (25) and more than one carrying bolt (26)；
The vertical support frame (8) is arranged on the horizontal platform (7)；Carrying bolt (26) both ends are equipped with screw thread, intermediate
Equipped with protrusion, one end is fixed on the pedestal mounting plate (25), and the other end passes through the horizontal platform (7), is propped up by the protrusion
It supports the horizontal platform (7), and passes through the fixed horizontal platform (7) of nut.
10. passive dihedral angle externally coefficient potentiometer according to claim 1, which is characterized in that the dihedral angle reflecting surface (1),
Dihedral angle reflecting surface bracket (2) and omnidirectional's regulating device (3) use metal material, and the pedestal (4) uses nonmetallic materials.
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| CN201610383332.1A CN106093894B (en) | 2016-06-01 | 2016-06-01 | A kind of passive dihedral angle externally coefficient potentiometer |
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| CN201610383332.1A CN106093894B (en) | 2016-06-01 | 2016-06-01 | A kind of passive dihedral angle externally coefficient potentiometer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108646226B (en) * | 2018-05-10 | 2022-03-15 | 北京航空航天大学 | Passive polarization calibration body for polarization scattering matrix measurement |
| CN109932693B (en) * | 2018-11-30 | 2023-09-26 | 惠州华阳通用电子有限公司 | Vehicle-mounted radar calibration device, system and method |
| CN110082734A (en) * | 2019-04-28 | 2019-08-02 | 安徽瑞泰智能装备有限公司 | Caliberating device, calibration system and the scaling method of automobile mounted millimetre-wave radar extrinsic calibration |
| CN111007467B (en) * | 2019-12-16 | 2022-04-08 | 中国科学院电子学研究所 | Passive dihedral angle external calibrator |
| CN111562550B (en) * | 2020-04-15 | 2023-09-29 | 中国科学院电子学研究所 | Passive dihedral angle external scaler |
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