CN114188708B - Unmanned aerial vehicle prevents falling formula combination antenna - Google Patents
Unmanned aerial vehicle prevents falling formula combination antenna Download PDFInfo
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- CN114188708B CN114188708B CN202210147548.3A CN202210147548A CN114188708B CN 114188708 B CN114188708 B CN 114188708B CN 202210147548 A CN202210147548 A CN 202210147548A CN 114188708 B CN114188708 B CN 114188708B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/002—Protection against seismic waves, thermal radiation or other disturbances, e.g. nuclear explosion; Arrangements for improving the power handling capability of an antenna
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/005—Damping of vibrations; Means for reducing wind-induced forces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1235—Collapsible supports; Means for erecting a rigid antenna
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/285—Aircraft wire antennas
Abstract
The invention belongs to the technical field of unmanned aerial vehicle antennas, and particularly relates to an anti-falling combined antenna for an unmanned aerial vehicle, which comprises a storage cavity arranged at the lower end of the unmanned aerial vehicle, two automatic adjusting support frames fixed at the lower end of the unmanned aerial vehicle and an antenna body assembled between the two automatic adjusting support frames; when the unmanned aerial vehicle flies, the automatic adjusting support frame is used for moving the antenna body out of the storage cavity, so that the signal transmission performance of the antenna body is enhanced; when unmanned aerial vehicle descends, the automatically regulated support frame is used for removing the antenna body to the inside in storing chamber, protects the antenna body. According to the invention, through the matching of the mechanisms of the automatic adjusting support frame, the signal transmission performance of the antenna body is enhanced when the unmanned aerial vehicle flies, and the antenna body is protected when the unmanned aerial vehicle lands, so that the signal transmission performance and the safety performance of the combined antenna are effectively ensured, and the production cost is lower.
Description
Technical Field
The invention belongs to the technical field of unmanned aerial vehicle antennas, and particularly relates to an anti-falling combined antenna of an unmanned aerial vehicle.
Background
The principle of the unmanned aerial vehicle antenna is that the transmitting antenna converts alternating current electromagnetic energy sent by an oscillator (transmitter) into electromagnetic wave (radio wave) energy which is transmitted to a certain space, and obtains the electromagnetic wave energy from the surrounding space through the receiving antenna, so that the captured electromagnetic wave is transmitted to receiving equipment;
however, the existing unmanned aerial vehicle antenna is divided into two types according to the installation mode, one type is external and is installed outside the unmanned aerial vehicle, the antenna cannot be effectively protected, the safety performance is poor, the other type is built-in and is installed inside the unmanned aerial vehicle, and the signal transmission performance of the antenna is poor due to the fact that the antenna is shielded by the unmanned aerial vehicle during signal transmission.
Disclosure of Invention
The invention aims to provide an anti-falling combined antenna of an unmanned aerial vehicle, which can enhance the signal transmission performance of an antenna body when the unmanned aerial vehicle flies and protect the antenna body when the unmanned aerial vehicle lands by matching of all mechanisms of an automatic adjusting support frame, so that the signal transmission performance and the safety performance of the combined antenna are effectively ensured, and the production cost is low.
The technical scheme adopted by the invention is as follows:
an anti-falling combined antenna of an unmanned aerial vehicle comprises a storage cavity arranged at the lower end of the unmanned aerial vehicle, two automatic adjusting support frames fixed at the lower end of the unmanned aerial vehicle and an antenna body assembled between the two automatic adjusting support frames;
when the unmanned aerial vehicle flies, the automatic adjusting support frame is used for moving the antenna body out of the storage cavity, so that the signal transmission performance of the antenna body is enhanced;
when unmanned aerial vehicle descends, the automatically regulated support frame is used for removing the antenna body to the inside in storing chamber, protects the antenna body.
Further, the automatic adjustment support frame includes:
the adjustable support frame is fixedly connected between the unmanned aerial vehicle and the antenna body and used for supporting the unmanned aerial vehicle and adjusting the position of the antenna body;
the adjustable suspension rod is fixedly connected to the lower end of the unmanned aerial vehicle and used for adjusting the angle of the adjustable support frame;
the transmission mechanism is positioned at the lower end of the unmanned aerial vehicle and used for adjusting the length of the adjustable hanging rod;
the air guide assembly is fixed at the lower end of the self-adaptive support rod and used for improving the stability of the unmanned aerial vehicle.
Furthermore, adjustable support frame is including the self-adaptation vaulting pole of fixed connection in antenna body both sides and the gallows of fixed connection at the unmanned aerial vehicle lower extreme, the one end that the antenna body was kept away from to the self-adaptation vaulting pole is rotated and is connected with the supporting leg of being connected with the gallows rotation equally.
Furthermore, the self-adaptation vaulting pole is including the first sleeve of fixed connection in antenna body one side, the inside sliding connection of first sleeve has the slide bar, the one end that the antenna body was kept away from to the slide bar extends to the first connecting piece of the first telescopic outside fixedly connected with, the outside of slide bar just is located and has cup jointed the power spring between first sleeve and the first connecting piece.
Further, adjustable jib is including the second sleeve of fixed connection at the unmanned aerial vehicle lower extreme, the telescopic inside sliding connection of second has the threaded rod, the lower extreme of threaded rod extends to the telescopic outside of second and the supporting leg rotates and is connected, the telescopic lower extreme of second rotates and is connected with the screw thread transmission circle with threaded rod threaded connection, the telescopic inside fixedly connected with gib block of second, the guide way has been seted up in the outside of threaded rod, gib block and guide way sliding connection.
Furthermore, drive mechanism is including the motor support of fixed connection at the unmanned aerial vehicle lower extreme and the assembly second drive wheel that lies in two screw thread drive collar outsides with one side, the intermediate position of motor support is equipped with drive machine, drive machine's output runs through the first drive wheel of motor support fixedly connected with, two the drive belt of being connected with first drive wheel transmission is installed in the outside of second drive wheel.
Furthermore, the air guide assembly comprises a fixed top plate fixedly connected to the lower end of the supporting leg and an air guide plate rotatably connected to the lower end of the fixed top plate, and an adjustable support rod is connected between one end of one side of the air guide plate and the lower end of the fixed top plate.
Furthermore, the adjustable stay bar comprises a threaded sleeve, the internal thread of the threaded sleeve is connected with two symmetrically-arranged threaded stay bars, one end, away from each other, of each threaded stay bar extends to the outer side of the threaded sleeve and is fixedly connected with a second connecting piece, one of the second connecting pieces is rotatably connected with one end of one side of the air deflector, and the other second connecting piece is rotatably connected with the lower end of the fixed top plate.
Furthermore, the combined antenna also comprises a protection component fixedly connected to the top end inside the storage cavity.
Furthermore, the protection component comprises a plurality of elastic support rods fixedly connected to the top end inside the storage cavity, and an elastic base plate fixedly connected to the lower ends of the elastic support rods.
The invention has the technical effects that:
the combined antenna can realize the matching of all mechanisms through the automatic adjusting support frame, the signal transmission performance of the antenna body is enhanced when the unmanned aerial vehicle flies, and the antenna body is protected when the unmanned aerial vehicle lands, so that the signal transmission performance and the safety performance of the combined antenna are effectively ensured;
the combined antenna of the invention combines the automatic adjusting support frame with the antenna body, and the antenna body is driven to move by the extension of the automatic adjusting support frame, thereby greatly reducing the production cost;
the combined antenna can effectively guide the airflow encountered in flight by arranging the air guide assembly, thereby greatly improving the stability of the combined antenna;
the combined antenna can adjust the angle of the air deflector according to the requirements of users by arranging the adjustable support rod, so that the application range of the device is greatly widened.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the self-adjusting stand of the present invention;
FIG. 3 is a schematic structural diagram of the adaptive brace of the present invention;
FIG. 4 is a schematic view of a partially cut-away construction of an adjustable hanger bar of the present invention;
FIG. 5 is a schematic structural view of the transmission mechanism of the present invention;
FIG. 6 is a schematic structural view of an air guide assembly of the present invention;
fig. 7 is a schematic structural view of an adjustable brace of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. an antenna body; 2. automatically adjusting the support frame; 3. an elastic backing plate; 4. an elastic stay bar; 5. a self-adaptive strut; 6. the suspender can be adjusted; 7. a transmission mechanism; 8. fixing a top plate; 9. an air deflector; 10. an adjustable brace bar; 11. a slide bar; 12. a first sleeve; 13. a return spring; 14. a first connecting member; 15. a threaded rod; 16. a second sleeve; 17. a guide strip; 18. a guide groove; 19. a threaded drive ring; 20. a first drive pulley; 21. a second transmission wheel; 22. a transmission belt; 23. a motor bracket; 24. a drive motor; 25. a second connecting member; 26. a threaded sleeve; 27. a threaded brace rod; 28. supporting legs; 29. a hanger frame.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.
As shown in fig. 1, an anti-falling combined antenna for an unmanned aerial vehicle comprises a storage cavity arranged at the lower end of the unmanned aerial vehicle, two automatic adjusting support frames 2 fixed at the lower end of the unmanned aerial vehicle, and an antenna body 1 assembled between the two automatic adjusting support frames 2, wherein the automatic adjusting support frames 2 are used for driving the antenna body 1 to vertically move and adjusting the position of the antenna body 1;
when the unmanned aerial vehicle flies, the automatic adjusting support frame 2 is used for moving the antenna body 1 out of the storage cavity, so that the signal transmission performance of the antenna body 1 is enhanced;
when the unmanned aerial vehicle lands, the automatic adjusting support frame 2 is used for moving the antenna body 1 to the inside of the storage cavity to protect the antenna body 1;
wherein, as shown in fig. 2, the automatic adjusting support frame 2 comprises:
the adjustable support frame is fixedly connected between the unmanned aerial vehicle and the antenna body 1 and used for supporting the unmanned aerial vehicle and adjusting the position of the antenna body 1;
the adjustable support frame comprises self-adaptive support rods 5 fixedly connected to two sides of the antenna body 1 and a hanging bracket 29 fixedly connected to the lower end of the unmanned aerial vehicle, one end, far away from the antenna body 1, of each self-adaptive support rod 5 is rotatably connected with a support leg 28 which is also rotatably connected with the hanging bracket 29, and each support leg 28 is L-shaped;
when the supporting leg 28 rotates, because the connection point of the hanger 29 and the supporting leg 28 is unchanged, the height of the end of the supporting leg 28 connected with the adaptive strut 5 is adjusted, so that the height of the antenna body 1 is adjusted;
as shown in fig. 2 and fig. 3, a specific structure of the adaptive stay 5 is disclosed, the adaptive stay 5 includes a first sleeve 12 fixedly connected to one side of the antenna body 1, a sliding rod 11 is slidably connected inside the first sleeve 12, one end of the sliding rod 11, which is far away from the antenna body 1, extends to the outside of the first sleeve 12 and is fixedly connected with a first connecting piece 14, and a return spring 13 is sleeved outside the sliding rod 11 and between the first sleeve 12 and the first connecting piece 14;
when the angle of the supporting leg 28 changes, because the connection point of the hanger 29 and the supporting leg 28 is not changed, the supporting leg 28 can extrude the first connecting piece 14 when rotating, and the first connecting piece 14 can move towards the direction close to the antenna body 1 after being extruded, so that the length of the self-adaptive strut 5 can be automatically adjusted;
wherein, as shown in fig. 2, the automatic adjusting support frame 2 further comprises:
the adjustable suspension rod 6 is fixedly connected to the lower end of the unmanned aerial vehicle and used for adjusting the angle of the adjustable support frame;
as shown in fig. 2-4, the adjustable boom 6 includes a second sleeve 16 fixedly connected to the lower end of the unmanned aerial vehicle, a threaded rod 15 is slidably connected inside the second sleeve 16, the lower end of the threaded rod 15 extends to the outside of the second sleeve 16 and is rotatably connected with a support leg 28, the lower end of the second sleeve 16 is rotatably connected with a threaded transmission ring 19 in threaded connection with the threaded rod 15, in order to avoid rotation of the threaded rod 15, a guide bar 17 is fixedly connected inside the second sleeve 16, a guide groove 18 is formed in the outside of the threaded rod 15, and the guide bar 17 is slidably connected with the guide groove 18;
when the angle of the supporting leg 28 needs to be adjusted, the thread transmission ring 19 is rotated, because the thread transmission ring 19 is in threaded connection with the threaded rod 15, the threaded rod 15 is driven to vertically move when the thread transmission ring 19 rotates, and the angle of the supporting leg 28 is adjusted when the threaded rod 15 moves;
as shown in fig. 2 and fig. 4-5, the automatic adjusting support frame 2 further includes:
the transmission mechanism 7 is positioned at the lower end of the unmanned aerial vehicle and used for adjusting the length of the adjustable suspender 6;
the transmission mechanism 7 comprises a motor support 23 fixedly connected to the lower end of the unmanned aerial vehicle and second transmission wheels 21 assembled on the outer sides of the two threaded transmission rings 19 positioned on the same side, a transmission motor 24 is assembled in the middle of the motor support 23, the output end of the transmission motor 24 penetrates through the motor support 23 and is fixedly connected with a first transmission wheel 20, and transmission belts 22 in transmission connection with the first transmission wheel 20 are installed on the outer sides of the two second transmission wheels 21;
the transmission motor 24 can drive the first transmission wheel 20 to rotate after being started, the second transmission wheel 21 can be driven to rotate through the transmission belt 22 when the first transmission wheel 20 rotates, and the threaded transmission ring 19 can be driven to rotate when the second transmission wheel 21 rotates, so that the length of the adjustable suspender 6 can be adjusted;
as shown in fig. 1-2 and fig. 6, the automatic adjusting support frame 2 further comprises:
the air guide assembly is fixed at the lower end of the self-adaptive support rod 5 and used for improving the stability of the unmanned aerial vehicle;
the air guide assembly comprises a fixed top plate 8 fixedly connected to the lower end of the supporting leg 28 and an air guide plate 9 rotatably connected to the lower end of the fixed top plate 8, an adjustable stay bar 10 is connected between one end of one side of the air guide plate 9 and the lower end of the fixed top plate 8, and the angle of the air guide plate 9 can be adjusted when the length of the adjustable stay bar 10 is adjusted;
the adjustable stay bar 10 comprises a threaded sleeve 26, the internal threads of the threaded sleeve 26 are connected with two symmetrically arranged threaded stay bars 27, one ends, far away from each other, of the two threaded stay bars 27 extend to the outer side of the threaded sleeve 26 and are fixedly connected with second connecting pieces 25, one second connecting piece 25 is rotatably connected with one end of one side of the air deflector 9, and the other second connecting piece 25 is rotatably connected with the lower end of the fixed top plate 8;
the threaded sleeve 26 is rotated, because the threaded sleeve 26 is in threaded connection with the threaded support rod 27, and the two threaded support rods 27 are symmetrically arranged, the length of the two threaded support rods 27 extending out of the threaded sleeve 26 can be adjusted simultaneously when the threaded sleeve 26 rotates, the distance between the two second connecting pieces 25 can be adjusted when the two threaded support rods 27 extend out of the threaded sleeve 26, and the angle of the air deflector 9 can be adjusted when the distance between the two second connecting pieces 25 is adjusted.
As shown in fig. 1, the combined antenna further comprises a protection component fixedly connected to the top end inside the storage cavity, the protection component comprises a plurality of elastic support rods 4 fixedly connected to the top end inside the storage cavity, and the lower ends of the elastic support rods 4 are fixedly connected with elastic cushion plates 3;
when the antenna body 1 surpassed standard limit for height when rising, can contact with elastic backing plate 3, elastic backing plate 3 can extrude elasticity vaulting pole 4 to weaken the power that antenna body 1 rises, avoid antenna body 1 direct and unmanned aerial vehicle to bump, hoisting device's protective capacities.
The working principle of the invention is as follows:
when the unmanned aerial vehicle flies, the transmission motor 24 is started, the transmission motor 24 drives the first transmission wheel 20 to rotate after being started, the first transmission wheel 20 drives the second transmission wheel 21 to rotate through the transmission belt 22 when rotating, the second transmission wheel 21 drives the thread transmission ring 19 to rotate when rotating, because the thread transmission ring 19 is in threaded connection with the threaded rod 15, the threaded rod 15 is driven to vertically move when the thread transmission ring 19 rotates, the angle of the supporting leg 28 is adjusted when the threaded rod 15 moves, and when the supporting leg 28 rotates, because the connection point of the hanger 29 and the support leg 28 is unchanged, the height of the end of the support leg 28 connected to the adaptive stay 5 is adjusted, thereby adjusting the height of the antenna body 1, moving the antenna body 1 out of the storage cavity, at the moment, fewer articles are used for shielding the antenna body 1, so that the signal transmission performance of the antenna body 1 can be effectively enhanced;
when unmanned aerial vehicle descends, restart drive motor 24, drive motor 24 starts the back and can drive first drive wheel 20 and rotate, can drive second drive wheel 21 through drive belt 22 when first drive wheel 20 rotates and rotate, second drive wheel 21 can drive screw thread drive loop 19 when rotating and rotate, because screw thread drive loop 19 and 15 threaded connection of threaded rod, can drive threaded rod 15 when screw thread drive loop 19 rotates and carry out vertical migration, can adjust the angle of supporting leg 28 when threaded rod 15 removes, when supporting leg 28 rotates, because the tie point of gallows 29 and supporting leg 28 is unchangeable, the height of the one end that supporting leg 28 and self-adaptation vaulting pole 5 link to each other can be adjusted, thereby adjust the height of antenna body 1, move antenna body 1 to the inside in storing chamber, protect antenna body 1.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (6)
1. The utility model provides an unmanned aerial vehicle prevents falling formula combination antenna which characterized in that: the unmanned aerial vehicle comprises a storage cavity arranged at the lower end of the unmanned aerial vehicle, two automatic adjusting support frames (2) fixed at the lower end of the unmanned aerial vehicle and an antenna body (1) assembled between the two automatic adjusting support frames (2);
when the unmanned aerial vehicle flies, the automatic adjusting support frame (2) is used for moving the antenna body (1) out of the storage cavity, so that the signal transmission performance of the antenna body (1) is enhanced;
when the unmanned aerial vehicle lands, the automatic adjusting support frame (2) is used for moving the antenna body (1) to the inside of the storage cavity to protect the antenna body (1);
the automatic adjusting support frame (2) comprises:
the adjustable support frame is fixedly connected between the unmanned aerial vehicle and the antenna body (1) and used for supporting the unmanned aerial vehicle and adjusting the position of the antenna body (1);
the adjustable suspension rod (6) is fixedly connected to the lower end of the unmanned aerial vehicle and used for adjusting the angle of the adjustable support frame;
the transmission mechanism (7) is positioned at the lower end of the unmanned aerial vehicle and used for adjusting the length of the adjustable suspender (6);
the air guide assembly is fixed at the lower end of the self-adaptive support rod (5) and used for improving the stability of the unmanned aerial vehicle;
the adjustable support frame comprises self-adaptive support rods (5) fixedly connected to two sides of the antenna body (1) and a hanging bracket (29) fixedly connected to the lower end of the unmanned aerial vehicle, and one end, far away from the antenna body (1), of each self-adaptive support rod (5) is rotatably connected with a support leg (28) which is also rotatably connected with the hanging bracket (29);
the air guide assembly comprises a fixed top plate (8) fixedly connected to the lower end of a support leg (28) and an air guide plate (9) rotatably connected to the lower end of the fixed top plate (8), an adjustable support rod (10) is connected between one end of one side of the air guide plate (9) and the lower end of the fixed top plate (8), the adjustable support rod (10) comprises a threaded sleeve (26), the internal threads of the threaded sleeve (26) are connected with two threaded support rods (27) which are symmetrically arranged, one end, away from each other, of each threaded support rod (27) extends to the outer side of the threaded sleeve (26) to be fixedly connected with a second connecting piece (25), one of the second connecting piece (25) is rotatably connected with one end of one side of the air guide plate (9), and the other end of the second connecting piece (25) is rotatably connected with the lower end of the fixed top plate (8).
2. The drop-resistant combined antenna for unmanned aerial vehicles according to claim 1, wherein: self-adaptation vaulting pole (5) are including first sleeve (12) of fixed connection in antenna body (1) one side, the inside sliding connection of first sleeve (12) has slide bar (11), the one end that antenna body (1) was kept away from in slide bar (11) extends to first connecting piece (14) of the outside fixedly connected with of first sleeve (12), the outside of slide bar (11) just is located and has cup jointed between first sleeve (12) and first connecting piece (14) return spring (13).
3. The drop-resistant combined antenna for unmanned aerial vehicles according to claim 1, wherein: adjustable jib (6) are including second sleeve (16) of fixed connection at the unmanned aerial vehicle lower extreme, the inside sliding connection of second sleeve (16) has threaded rod (15), the lower extreme of threaded rod (15) extends to the outside and supporting leg (28) of second sleeve (16) and rotates and be connected, the lower extreme of second sleeve (16) rotates and is connected with threaded transmission circle (19) with threaded rod (15) threaded connection, the inside fixedly connected with gib block (17) of second sleeve (16), guide way (18) have been seted up in the outside of threaded rod (15), gib block (17) and guide way (18) sliding connection.
4. The drop-resistant combined antenna for unmanned aerial vehicles according to claim 3, wherein: drive mechanism (7) are including motor support (23) of fixed connection at the unmanned aerial vehicle lower extreme and assembly second drive wheel (21) that lie in two screw thread drive collar (19) the outside with one side, the intermediate position of motor support (23) is equipped with drive motor (24), the output of drive motor (24) runs through motor support (23) the first drive wheel of fixedly connected with (20), two drive belt (22) of being connected with first drive wheel (20) transmission are installed in the outside of second drive wheel (21).
5. The drop-resistant combined antenna for unmanned aerial vehicles according to claim 1, wherein: still including the protection component of fixed connection at the inside top in storing chamber.
6. The drop-resistant combined antenna for unmanned aerial vehicles according to claim 5, wherein: the protection component comprises a plurality of elastic support rods (4) fixedly connected to the top end inside the storage cavity, and a plurality of elastic base plates (3) fixedly connected to the lower ends of the elastic support rods (4).
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| CN202210147548.3A CN114188708B (en) | 2022-02-17 | 2022-02-17 | Unmanned aerial vehicle prevents falling formula combination antenna |
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| CN202210147548.3A CN114188708B (en) | 2022-02-17 | 2022-02-17 | Unmanned aerial vehicle prevents falling formula combination antenna |
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| 试飞遥测自动跟踪天线的设计与应用;孙科等;《国外电子测量技术》;20180315(第03期);全文 * |
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