CN220067435U - Telemetry receiving antenna with calibration network - Google Patents
Telemetry receiving antenna with calibration network Download PDFInfo
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- CN220067435U CN220067435U CN202321751322.0U CN202321751322U CN220067435U CN 220067435 U CN220067435 U CN 220067435U CN 202321751322 U CN202321751322 U CN 202321751322U CN 220067435 U CN220067435 U CN 220067435U
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- calibration network
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 59
- 239000002184 metal Substances 0.000 claims abstract description 59
- 239000011888 foil Substances 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000003321 amplification Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of telemetry antennas, in particular to a telemetry receiving antenna with a calibration network, which comprises an S-band telemetry array antenna, an S-band telemetry antenna unit, a metal cavity, an S-band amplifier and the calibration network, wherein the S-band telemetry array antenna is formed by a plurality of S-band telemetry antenna units and outputs left-hand circularly polarized signals and right-hand circularly polarized signals, the S-band amplifier is arranged on the plane of the metal cavity and is connected with the output end of the S-band telemetry antenna unit and is used for amplifying signals received by the antenna units with low noise and high gain, the calibration network is connected with the input end of the S-band amplifier, and the antenna signals and the calibration network signals are transmitted to the S-band amplifier through an RF switch to switch the input paths of the antenna signals and the calibration network signals, so that the working state of the system can be accurately calibrated, and the requirements of an antenna array on high performance are met.
Description
Technical Field
The utility model relates to the technical field of telemetry antennas, in particular to a telemetry receiving antenna with a calibration network.
Background
At present, the ground telemetry technology is widely applied to various fields of military, civil use, commercial use and the like. More fields such as trajectory deviation and tracking of slow targets such as airplanes. In order to ensure that the telemetry technology is more reliable and safer in wide application, and to increase ultra-long-distance transmission of the telemetry technology, a telemetry receiving antenna is ground guarantee equipment for acquiring flight data when an aircraft flies, and the coverage area of the telemetry receiving antenna is ensured by an antenna array.
In the security and military fields, antenna arrays are widely used for signal detection and interference. With the continuous development of science, technology and society, the performance requirements on the antenna array are also higher and higher, and in the modern wireless application system, the requirements on the high-gain array antenna are more and more urgent.
Disclosure of Invention
The utility model aims to provide a telemetering receiving antenna with a calibration network, which solves the problems that the performance requirement on an antenna array is higher and higher in the prior art, and the requirement on a high-gain array antenna is urgent and urgent in a modern wireless application system.
In order to achieve the above purpose, the utility model provides a telemetry receiving antenna with a calibration network, which comprises an S-band telemetry array antenna, S-band telemetry antenna units, a metal cavity, an S-band amplifier and the calibration network, wherein the S-band telemetry array antenna is formed by a plurality of S-band telemetry antenna units, outputs left-hand circularly polarized signals and right-hand circularly polarized signals, and is evenly distributed and arranged on the plane of the metal cavity to form an S-band telemetry antenna rectangular array structure;
the S-band amplifier is arranged on the plane of the metal cavity, is connected with the output end of the S-band telemetry antenna unit and is used for amplifying signals received by the antenna unit with low noise and high gain, the calibration network is connected with the input end of the S-band amplifier, and the input paths of the antenna signals and the calibration network signals are switched through the RF switch to transmit the calibration signals to the S-band amplifier so as to be used for operating the calibration system.
Each S-band telemetry antenna unit comprises a bridge combining plate and symmetrical dipole antennas, wherein the bridge combining plates are connected with the symmetrical dipole antennas and respectively output left-hand circularly polarized signals and right-hand circularly polarized signals, and the symmetrical dipole antennas are cross-shaped.
The dipole antenna is composed of a substrate and a printed metal foil layer on the substrate, wherein the metal foil layer is composed of a microstrip line and a printed bonding pad.
The S-band amplifier is provided with multistage gallium arsenide amplifier tubes, and a dielectric filter is arranged between the gallium arsenide amplifier tubes.
The remote measuring receiving antenna with the calibration network further comprises an antenna housing, a metal bottom plate, a connector and a metal cover plate, wherein the antenna housing is covered above the metal cavity, the metal cover plate is arranged below the metal cavity, the metal bottom plate is arranged below the metal cavity and sleeved outside the metal cover plate, and the connector is arranged at one end of the metal cavity.
Wherein, the material of radome is glass steel.
Wherein, the material of metal cavity, metal bottom plate with the material of metal apron is aluminum alloy.
The utility model relates to a telemetering receiving antenna with a calibration network, which consists of an S-band telemetering array antenna, an S-band amplifier and the calibration network, wherein the S-band amplifier receives left and right circular polarization signals output by an S-band telemetering antenna unit, outputs the signals to a telemetering receiver after amplification treatment, can be connected with a signal generator, is connected with the input end of the S-band amplifier through a calibration network port, and transmits the calibration signals to the S-band amplifier through an RF switch to switch an antenna signal and a calibration network signal input path.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic diagram of a telemetry receiving antenna with a calibration network according to the present utility model.
Fig. 2 is a schematic diagram of an S-band telemetry antenna unit according to the present utility model.
Fig. 3 is a schematic diagram of an S-band telemetry antenna unit according to the present utility model.
Fig. 4 is a schematic diagram of an S-band amplifier according to the present utility model.
Fig. 5 is a schematic diagram of a calibration network according to the present utility model.
Fig. 6 is a schematic diagram of the S-band telemetry antenna unit, calibration network, and S-band amplifier of the present utility model.
Fig. 7 is an assembly view of a telemetry receiving antenna with a calibration network in accordance with the present utility model.
1-S band telemetry array antenna, 11-S band telemetry antenna unit, 12-dipole antenna, 13-bridge combiner board, 2-S band amplifier, 3-calibration network, 4-metal cavity, 41-radome, 42-metal bottom plate, 43-joint, 44-metal cover plate.
Detailed Description
The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.
Referring to fig. 1 to 7, the present utility model provides a telemetry receiving antenna with a calibration network, which comprises an S-band telemetry array antenna 1, an S-band telemetry antenna unit 11, a metal cavity 4, an S-band amplifier 2 and a calibration network 3, wherein the S-band telemetry array antenna 1 is formed by a plurality of the S-band telemetry antenna units 11, outputs left-hand circularly polarized signals and right-hand circularly polarized signals, and is evenly distributed and installed on a plane of the metal cavity 4 to form a rectangular array structure of the S-band telemetry antenna;
the S-band amplifier 2 is installed on the plane of the metal cavity 4, is connected with the output end of the S-band telemetry antenna unit 11, and is used for amplifying signals received by the antenna unit with low noise and high gain, the calibration network 3 is connected with the input end of the S-band amplifier 2, and the signal input paths of the antenna signals and the calibration network 3 are switched through the RF switch, so that the calibration signals are transmitted to the S-band amplifier 2, and are used for correcting the working state of the calibration system.
In this embodiment, the S-band amplifier 2 receives the left and right circularly polarized signals output by the S-band telemetry antenna unit 11, outputs the amplified signals to the telemetry receiver, and may be connected to a signal generator, where the signal generator is connected to the input end of the S-band amplifier 2 through the port of the calibration network 3, switches the signal input paths of the antenna signal and the calibration network 3 through an RF switch, and transmits the calibration signal to the S-band amplifier 2, so as to calibrate the working state of the system, and after the output end of the S-band telemetry antenna unit 11 is connected to the input end of the S-band amplifier 2, the main function is to amplify the weak signal received by the antenna with low noise and gain, so as to ensure the receiving sensitivity of the system.
Further, each S-band telemetry antenna unit 11 includes a bridge-combining board 13 and a symmetrical dipole antenna 12, where the bridge-combining board 13 is connected with the symmetrical dipole antenna 12 to output a left-hand circularly polarized signal and a right-hand circularly polarized signal, and the symmetrical dipole antenna 12 is cross-shaped.
In the present embodiment, the connection between the bridge plate 13 and the symmetrical dipole antenna 12 allows the left-hand circularly polarized signal and the right-hand circularly polarized signal to be output, respectively, and received by the S-band amplifier 2.
Further, the dipole antenna 12 is formed by a substrate and a printed metal foil layer on the substrate, wherein the metal foil layer is formed by a microstrip line and a printed pad.
In this embodiment, the dipole antenna 12 is a printed dipole antenna, which is a new type of antenna that has been developed in recent years, and the antenna radiation line with a certain shape is manufactured by a method such as photolithography and corrosion on a metal foil attached to a dielectric substrate, and the printed dipole antenna has a small size, and the electrical index satisfies the requirements of a wide beam width, a high low elevation gain, and a good unit consistency.
Further, the S-band amplifier 2 is provided with a multi-stage gallium arsenide amplifier tube, and a dielectric filter is arranged between the gallium arsenide amplifier tubes.
In this embodiment, the gaas amplifier has the characteristics of low noise factor, wide operating frequency band, and large dynamic range, and the single-stage amplifier has low gain, and a cascade amplifier is necessary to achieve overall high amplification gain, and considering the complex electromagnetic environment when the inverted antenna works, the existence of the out-of-band interference signal can cause the degradation or even failure of the signal-to-noise ratio of the system, so that a dielectric filter is arranged between stages of the gaas amplifier to filter out-of-band strong interference signals, thereby improving the anti-interference performance of reception, and the final-stage amplifier adopts an amplifier with high output capability to ensure the linear amplification of multiple target signals in the band. The signal output end of the radio frequency feeds into a power supply, and is sent to a low noise amplifier, a logic switch and an RF switch through voltage stabilization to realize antenna signal switching.
Further, the telemetry receiving antenna with the calibration network further comprises an antenna housing 41, a metal bottom plate 42, a connector 43 and a metal cover plate 44, wherein the antenna housing 41 is covered above the metal cavity 4, the metal cover plate 44 is installed below the metal cavity 4, the metal bottom plate 42 is installed below the metal cavity 4 and is sleeved outside the metal cover plate 44, and the connector 43 is installed at one end of the metal cavity 4.
In this embodiment, the contact surface between the metal cavity 4 and the internal element is a shielding cavity structure, so that the S-band telemetry array antenna 1 can be effectively accommodated in the inner side of the radome 41, the S-band amplifier 2 and the calibration network 3 can be effectively accommodated in the inner side of the metal cavity 4, and the radome 41 is a rectangular structure with an open bottom.
Further, the radome 41 is made of glass fiber reinforced plastic.
In the embodiment, the glass fiber reinforced plastic has excellent wave-transmitting special effect, plays a role in protection and does not influence normal use functions.
Further, the metal cavity 4, the metal bottom plate 42 and the metal cover plate 44 are all made of aluminum alloy.
In this embodiment, the aluminum alloy has excellent shielding effect, and has a protective effect, and at the same time, does not affect the normal use function of the S-band amplifier 2 from the outside.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present utility model, and it is not intended to limit the scope of the claims hereof, as persons of ordinary skill in the art will understand that all or part of the processes for practicing the embodiments described herein may be practiced with equivalent variations in the claims, which are within the scope of the utility model.
Claims (7)
1. A telemetry receiving antenna with a calibration network, characterized in that,
the system comprises an S-band telemetry array antenna, S-band telemetry antenna units, a metal cavity, an S-band amplifier and a calibration network, wherein the S-band telemetry array antenna is formed by outputting left-handed circularly polarized signals and right-handed circularly polarized signals by a plurality of the S-band telemetry antenna units, and is evenly distributed and arranged on the plane of the metal cavity to form an S-band telemetry antenna rectangular array structure;
the S-band amplifier is arranged on the plane of the metal cavity, is connected with the output end of the S-band telemetry antenna unit and is used for amplifying signals received by the antenna unit with low noise and high gain, the calibration network is connected with the input end of the S-band amplifier, and the input paths of the antenna signals and the calibration network signals are switched through the RF switch to transmit the calibration signals to the S-band amplifier so as to be used for operating the calibration system.
2. The telemetry receiving antenna with a calibration network of claim 1,
each S-band telemetry antenna unit comprises a bridge combination plate and symmetrical dipole antennas, wherein the bridge combination plates are connected with the symmetrical dipole antennas and respectively output left-handed circularly polarized signals and right-handed circularly polarized signals, and the symmetrical dipole antennas are in a cross shape.
3. A telemetry receiving antenna with a calibration network as claimed in claim 2,
the dipole antenna is composed of a substrate and a printed metal foil layer on the substrate, wherein the metal foil layer is composed of a microstrip line and a printed bonding pad.
4. A telemetry receiving antenna with a calibration network as claimed in claim 3,
the S-band amplifier is provided with a multi-stage gallium arsenide amplifier tube, and a dielectric filter is arranged between the gallium arsenide amplifier tubes.
5. The telemetry receiving antenna with a calibration network of claim 4,
the telemetering receiving antenna with the calibration network further comprises an antenna housing, a metal bottom plate, a connector and a metal cover plate, wherein the antenna housing is covered above the metal cavity, the metal cover plate is arranged below the metal cavity, the metal bottom plate is arranged below the metal cavity and sleeved outside the metal cover plate, and the connector is arranged at one end of the metal cavity.
6. The telemetry receiving antenna with a calibration network of claim 5,
the antenna housing is made of glass fiber reinforced plastic.
7. The telemetry receiving antenna with a calibration network of claim 6,
the metal cavity, the metal bottom plate and the metal cover plate are all made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321751322.0U CN220067435U (en) | 2023-07-05 | 2023-07-05 | Telemetry receiving antenna with calibration network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321751322.0U CN220067435U (en) | 2023-07-05 | 2023-07-05 | Telemetry receiving antenna with calibration network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220067435U true CN220067435U (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321751322.0U Active CN220067435U (en) | 2023-07-05 | 2023-07-05 | Telemetry receiving antenna with calibration network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117579112A (en) * | 2024-01-17 | 2024-02-20 | 嘉兴诺艾迪通信科技有限公司 | Spherical radio interference system capable of self-correcting in real time |
-
2023
- 2023-07-05 CN CN202321751322.0U patent/CN220067435U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117579112A (en) * | 2024-01-17 | 2024-02-20 | 嘉兴诺艾迪通信科技有限公司 | Spherical radio interference system capable of self-correcting in real time |
| CN117579112B (en) * | 2024-01-17 | 2024-04-09 | 嘉兴诺艾迪通信科技有限公司 | Spherical radio interference system capable of self-correcting in real time |
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