CN105337024A - Vertically polarized ground television transmitting antenna based on disk oscillator - Google Patents
Vertically polarized ground television transmitting antenna based on disk oscillator Download PDFInfo
- Publication number
- CN105337024A CN105337024A CN201510676831.5A CN201510676831A CN105337024A CN 105337024 A CN105337024 A CN 105337024A CN 201510676831 A CN201510676831 A CN 201510676831A CN 105337024 A CN105337024 A CN 105337024A
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- China
- Prior art keywords
- feeding network
- parallel lines
- transmitting antenna
- dipole
- reflecting plate
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Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/108—Combination of a dipole with a plane reflecting surface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
Abstract
The invention relates to a vertically polarized ground television transmitting antenna based on a disk oscillator. The vertically polarized ground television transmitting antenna comprises a disk dipole array, a multi-section broadband adjustable power divider feed network, an input connector, a reflecting plate, band shape parallel line feed structures, nylon pillars, a Balun feed structure, band shape parallel line feed connecting pieces and power divider feed network connecting pieces, wherein the disk dipole array is a vertically polarized antenna array which is formed by a plurality of disk dipoles. By improving the impedance bandwidth and the borne power of the array antenna, the vertically polarized ground television transmitting antenna can satisfy the operating requirement for a ground television broadcasting transmission system. The vertically polarized ground television transmitting antenna is provided with a working frequency band width, and has the advantages of being small in input standing-wave ratio, being large in borne power, being simple in processing, being convenient for debugging and being low in cost, and is suitable for the ground television broadcasting transmission system application of the decimeter wave band.
Description
Technical field
The present invention relates to a kind of television transmitting antenna, particularly relate to a kind of perpendicular polarization terrestrial television transmitting antenna based on disc oscillator being applicable to decimeter wave wave band terrestrial television emission system.
Background technology
Antenna is the important step that receiving and sending equipment is connected with atmospheric radio waves with its feed equipment, is be electromagnetic wave by the power conversion of transmitter, the important device distally propagated.Set up a desirable micro television transposer station, except there is high-quality TV differential relay, also must have launching and receiving antenna of good performance.Adopt high-quality antenna, the power also requirement of reduction to receiver of transmitter can be effectively utilized.Along with the continuous quickening of global television digitlization and mobile paces, China's Digital Television development in recent years rapidly, open digital television business in most of large-and-medium size cities, in the revolution of this broadcast, television digitization and mobile, the launching and receiving antenna that research and development adapt to high-performance mobile Digital Television is the important step improving terrestrial DTV coverage rate.
Along with the development of terrestrial DTV, need broadband, high-power, high-gain, low cost transmitting antenna is applied to ground digital television transmitting system.At present, the transmitting antenna for China's terrestrial digital television system has slot antenna, batwing antenna, cylinder oscillator four dipole antenna etc.But these antenna still can not realize the frequency range that a kind of structure and size cover whole Digital Television 470-860MHz, and can only emission level polarized wave.These two aspects problem can cause higher antenna production cost and limit the general applicability of antenna.
For solving above two problems, necessary proposition is a kind of can cover Digital Television 470-860MHz full frequency band bandwidth, bear that power is large, cost is low, high-gain and can the digital television transmitting aerial of radiate vertical polarization ripple.
Summary of the invention
The invention provides a kind of perpendicular polarization terrestrial television transmitting antenna based on disc oscillator, by the impedance bandwidth of raising group array antenna with bear power, meet the instructions for use in ground TV broadcast emission system; It is wide that this antenna has working band, and input vswr is little, bears power large, and processing is simple, and debugging is convenient, the features such as cost is low, is applicable to the terrestrial television system of transmit antennas application of decimeter wave wave band.
In order to achieve the above object, the present invention realizes by the following technical solutions:
Based on a perpendicular polarization terrestrial television transmitting antenna for disc oscillator, comprise disk dipole triads battle array, more piece broadband can Power Regulation divide feeding network, input connector, reflecting plate, banded parallel lines feed structure, nylon pillar, Ba Lun feed structure, banded parallel lines electrical feed connection and merit to divide feeding network connector; Described disk dipole triads battle array forms vertical polarized antenna battle array by multipair discoidal dipole; Dipole is by nylon shore supports, and nylon pillar one end connects dipole arm, and the other end is fixed on reflecting plate; More piece broadband can Power Regulation divide feeding network to be coaxial configuration, comprise inner wire and outer conductor, and be divided into vertical component and horizontal component, horizontal component is parallel with reflecting plate, divide feeding network connector to be connected by merit between vertical component with horizontal component outer conductor, merit divides feeding network connector to be fixed on reflecting plate; More piece broadband can Power Regulation divide feeding network output outer conductor to be connected with banded parallel lines electrical feed connection, and inner wire leans out banded parallel lines electrical feed connection and is connected with tape outside banded parallel lines feed structure; Input connector is in reflecting plate center, and be coaxial configuration, its outer conductor is fixed on below reflecting plate, and inner wire penetrate through reflective plate can Power Regulation divide feeding network input inner wire to be connected with more piece broadband; Banded parallel lines feed structure is made up of a pair banded parallel lines, and banded parallel lines two ends are connected with the disk dipole of homonymy respectively; Inside banded parallel lines feed structure, tape is connected with banded parallel lines electrical feed connection, and Ba Lun feed structure one end is connected with tape center outside banded parallel lines feed structure, and the other end and merit divide feeding network connector to be connected.
Described disk dipole triads battle array is made up of 4 electrode couple, 2 can be decomposed into about centrosymmetric two dipole antennas of reflecting plate, 2 dipole flush formation in two dipole antennas, the axle that shakes is perpendicular to reflecting plate broadside, and 4 electrode couple form 2 × 2 arrangement vertical polarized antenna battle arrays.
Rectangle narrow slit is offered at described dipole arm center, fixes dipole arm for being inserted in nylon pillar by screw.
Described more piece broadband can Power Regulation divide the inner wire of feeding network to be made up of the cylinder of more piece different length, different-diameter, and the diameter of outer conductor is identical, common formation stepped impedance feeding network.
Described reflecting plate is a rectangular metal plate, and circular port is offered at reflecting plate center, and input connector inner wire can Power Regulation divide feeding network inner wire to be connected through circular port with more piece broadband.
Outside described banded parallel lines feed structure, tape center is offered and Power Regulation can be divided the through hole that feeding network inner wire diameter is identical with more piece broadband, more piece broadband can Power Regulation divide feeding network inner wire to be leant out by through hole, is connected with tape outside banded parallel lines feed structure.
Described Ba Lun feed structure is ' L ' shape, and length is quarter-wave.
Described more piece broadband can Power Regulation divide feeding network to be the coaxial power splitter of more piece, and the length of each minor matters and diameter are all adjustable; More piece broadband can be divided between feeding network internal and external conductor by the polytetrafluoroethylene ring at interval as support in Power Regulation.
Distance between the array element plane of described disk dipole triads battle array and reflecting plate is quarter-wave.
Described banded parallel lines are half-wavelength metal strap.
Compared with prior art, the invention has the beneficial effects as follows:
By the impedance bandwidth of raising group array antenna with bear power, meet the instructions for use in ground TV broadcast emission system; It is wide that this antenna has working band, and input vswr is little, bears power large, and processing is simple, and debugging is convenient, the features such as cost is low, is applicable to the terrestrial television system of transmit antennas application of decimeter wave wave band.
Accompanying drawing explanation
Fig. 1 is vertical view of the present invention.
Fig. 2 is front view of the present invention.
Fig. 3 is end view of the present invention.
Fig. 4 is the voltage standing wave ratio measured drawing of the embodiment of the present invention;
Fig. 5 is the radiation pattern of the embodiment of the present invention.
In figure: 1. disk dipole triads battle array 2. more piece broadband can Power Regulation divide banded parallel lines electrical feed connection 10. merit of feeding network 3. input connector 4. reflecting plate 5. banded parallel lines feed structure 6. nylon pillar 7. Ba Lun feed structure 8. radome 9. to divide feeding network connector
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Seeing Fig. 1-Fig. 3, is structural representation of the present invention.A kind of perpendicular polarization terrestrial television transmitting antenna based on disc oscillator of the present invention, comprises disk dipole triads battle array 1, more piece broadband can Power Regulation divide feeding network 2, input connector 3, reflecting plate 4, banded parallel lines feed structure 5, nylon pillar 6, Ba Lun feed structure 7, banded parallel lines electrical feed connection 9 and merit to divide feeding network connector 10; Described disk dipole triads battle array 1 forms vertical polarized antenna battle array by multipair discoidal dipole; Dipole is supported by nylon pillar 6, and nylon pillar 6 one end connects dipole arm, and the other end is fixed on reflecting plate 4; More piece broadband can Power Regulation divide feeding network 2 for coaxial configuration, comprise inner wire and outer conductor, and be divided into vertical component and horizontal component, horizontal component is parallel with reflecting plate, divide feeding network connector 10 to be connected by merit between vertical component with horizontal component outer conductor, merit divides feeding network connector 10 to be fixed on reflecting plate 4; More piece broadband can Power Regulation divide feeding network 2 output outer conductor to be connected with banded parallel lines electrical feed connection 9, and inner wire leans out banded parallel lines electrical feed connection 9 and is connected with tape outside banded parallel lines feed structure 5; Input connector 3 is in reflecting plate 4 center, is coaxial configuration, and its outer conductor is fixed on below reflecting plate 4, and inner wire penetrate through reflective plate 4 can Power Regulation divide feeding network 2 input inner wire to be connected with more piece broadband; Banded parallel lines feed structure 5 is made up of a pair banded parallel lines, and banded parallel lines two ends are connected with the disk dipole of homonymy respectively; Inside banded parallel lines feed structure 5, tape is connected with banded parallel lines electrical feed connection 9, and Ba Lun feed structure 7 one end is connected with tape center outside banded parallel lines feed structure 5, and the other end and merit divide feeding network connector 10 to be connected.
Described disk dipole triads battle array 1 is made up of 4 electrode couple, 2 can be decomposed into about centrosymmetric two dipole antennas of reflecting plate 4,2 dipole flush formation in two dipole antennas, the axle that shakes is perpendicular to reflecting plate 4 broadside, and 4 electrode couple form 2 × 2 arrangement vertical polarized antenna battle arrays.
Rectangle narrow slit is offered at described dipole arm center, fixes dipole arm for being inserted in nylon pillar 6 by screw.
Described more piece broadband can Power Regulation divide the inner wire of feeding network 2 to be made up of the cylinder of more piece different length, different-diameter, and the diameter of outer conductor is identical, common formation stepped impedance feeding network.
Described reflecting plate 4 is a rectangular metal plate, and circular port is offered at reflecting plate 4 center, and input connector 3 inner wire can Power Regulation divide feeding network 2 inner wire to be connected through circular port with more piece broadband.
Outside described banded parallel lines feed structure 5, tape center is offered and Power Regulation can be divided the through hole that feeding network 2 inner wire diameter is identical with more piece broadband, more piece broadband can Power Regulation divide feeding network 2 inner wire to be leant out by through hole, is connected with tape outside banded parallel lines feed structure 5.
Described Ba Lun feed structure 7 is ' L ' shape, and length is quarter-wave.
Described more piece broadband can Power Regulation divide feeding network 2 for the coaxial power splitter of more piece, and the length of each minor matters and diameter are all adjustable; More piece broadband can be divided between feeding network 2 internal and external conductor by the polytetrafluoroethylene ring at interval as support in Power Regulation.
Distance between the array element plane of described disk dipole triads battle array 1 and reflecting plate 4 is quarter-wave.
Described banded parallel lines are half-wavelength metal strap.
A kind of perpendicular polarization terrestrial television transmitting antenna based on disc oscillator of the present invention is four antenna dipole arrays based on disc oscillator, adopt constant amplitude homophase feed, each disc dipole feed amplitude is all identical with phase place, this can make the main to not changing with the change of frequency of antenna pattern, thus makes antenna in very wide frequency band, keep the stability of gain.
Four antenna dipole arrays are owing to being parallelly feeding, and can be decomposed into two dipole antennas that two, left and right is symmetrical, two dipole antennas adopt banded parallel wire structure to two ends disk dipole parallelly feeding.Banded parallel wire length is 1/2nd wavelength, it is parallelly feeding that two ends disk dipole antenna distributing point leaves center quarter-wave strong point, insert trap circuit in center, center parallel reactance can be made to play the effect of cancelling out each other, therefore can the frequency bandwidth of broadening antenna.
Distance between the array element plane of disk dipole triads battle array 1 and reflecting plate 4 is quarter-wave, the electromagnetic wave part that now aerial radiation goes out directly radiate, another part is transferred to reflecting plate 4 place through quarter-wave, produce 90 ° of phase differences, reflex time is there is in electromagnetic wave at reflecting plate 4 place, the phase difference of 180 ° can be produced, then arrive array element plan position approach place through quarter-wave, produce again the phase difference of 90 °.Now form the phase difference of 360 ° altogether, when the electromagnetic wave that namely aerial radiation goes out transmits in overhead, its phase place is all identical.
In the present invention, feeding classification adopts can bear powerful L27 type joint, and the outer conductor of input connector 3 is fixed on below reflecting plate, and inner wire penetrate through reflective plate 4 can Power Regulation divide feeding network 2 input inner wire to be connected with more piece broadband.Adopt more piece broadband Power Regulation can divide feeding network 2, reach wideband impedance match by the length and diameter regulating each minor matters, effectively can improve the evenness of input impedance in disc oscillator group array antenna working band, improve the frequency bandwidth characteristics of input impedance.
Ba Lun feed structure 7 one end is connected with tape center outside banded parallel lines feed structure 5, the other end and merit divide feeding network connector 10 to be connected, Ba Lun feed structure 7 length is quarter-wave, play the effect equilibrating to unbalanced transformation and impedance transformation, the power bearing ability of antenna can be improved.
Radome 8 is established outside overall structure of the present invention.
The technical indicator of antenna of the present invention is as follows:
Frequency range: 470 ~ 860MHz;
Bandwidth of operation: >=390MHz;
Polarization mode: perpendicular polarization;
VSWR：≤1.1∶1；
Input power :≤1.0Kw;
Antenna gain: >=13.0dB;
Compare before and after gain: >=20.0dB;
Half-power beam width: 51 °, horizontal plane, vertical plane 22 °;
Input connector: L27 type connector.
Following examples are implemented under premised on technical solution of the present invention, give detailed execution mode and concrete operating process, but protection scope of the present invention are not limited to following embodiment.In following embodiment, method therefor is conventional method if no special instructions.
[embodiment]
As shown in Figure 4, be the voltage standing wave ratio measured drawing of the present embodiment; Wherein VSWR represents voltage standing wave ratio; Freq represents frequency.It is that 470 ~ 860MHz is described that the present embodiment enumerates working band, and in this frequency band, the standing-wave ratio of antenna input port is all less than 1.1, illustrates that input port matching properties is good.Can Power Regulation divide feeding network 2 respectively to save length by slight adjustment more piece broadband, can significantly improve standing-wave ratio characteristic.
As shown in Figure 5, be the radiation pattern of the present embodiment; Wherein plotted represents gain, and its unit is that dB, E face represents E face directional diagram, and H face represents H face directional diagram.In the present embodiment, a kind of perpendicular polarization terrestrial television transmitting antenna half-power angle of radiation in the horizontal direction based on disc oscillator is 51 °, and half-power angle of radiation is in the vertical direction 22 °, and maximum gain is 13.8dB, and front and back ratio reaches 23dB.
A kind of perpendicular polarization terrestrial television transmitting antenna based on disc oscillator of the present invention, Power Regulation feeding network 2, quarter-wave Ba Lun feed structure 7, reflecting plate 4, parallel wire parallelly feeding cancellation technology can be divided owing to have employed proposed more piece broadband, working band is wide, voltage standing wave ratio is little, bear the features such as power is large, gain is high, cost is low, processing is simple, debugging is convenient to have made it possess, and is very suitable for the application of the terrestrial television emission system of decimeter wave wave band.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (10)
1. the perpendicular polarization terrestrial television transmitting antenna based on disc oscillator, it is characterized in that, comprise disk dipole triads battle array, more piece broadband can Power Regulation divide feeding network, input connector, reflecting plate, banded parallel lines feed structure, nylon pillar, Ba Lun feed structure, banded parallel lines electrical feed connection and merit to divide feeding network connector; Described disk dipole triads battle array forms vertical polarized antenna battle array by multipair discoidal dipole; Dipole is by nylon shore supports, and nylon pillar one end connects dipole arm, and the other end is fixed on reflecting plate; More piece broadband can Power Regulation divide feeding network to be coaxial configuration, comprise inner wire and outer conductor, and be divided into vertical component and horizontal component, horizontal component is parallel with reflecting plate, divide feeding network connector to be connected by merit between vertical component with horizontal component outer conductor, merit divides feeding network connector to be fixed on reflecting plate; More piece broadband can Power Regulation divide feeding network output outer conductor to be connected with banded parallel lines electrical feed connection, and inner wire leans out banded parallel lines electrical feed connection and is connected with tape outside banded parallel lines feed structure; Input connector is in reflecting plate center, and be coaxial configuration, its outer conductor is fixed on below reflecting plate, and inner wire penetrate through reflective plate can Power Regulation divide feeding network input inner wire to be connected with more piece broadband; Banded parallel lines feed structure is made up of a pair banded parallel lines, and banded parallel lines two ends are connected with the disk dipole of homonymy respectively; Inside banded parallel lines feed structure, tape is connected with banded parallel lines electrical feed connection, and Ba Lun feed structure one end is connected with tape center outside banded parallel lines feed structure, and the other end and merit divide feeding network connector to be connected.
2. a kind of perpendicular polarization terrestrial television transmitting antenna based on disc oscillator according to claim 1, it is characterized in that, described disk dipole triads battle array is made up of 4 electrode couple, 2 can be decomposed into about centrosymmetric two dipole antennas of reflecting plate, 2 dipole flush formation in two dipole antennas, shake axle perpendicular to reflecting plate broadside, and 4 electrode couple form 2 × 2 arrangement vertical polarized antenna battle arrays.
3. a kind of perpendicular polarization terrestrial television transmitting antenna based on disc oscillator according to claim 1, it is characterized in that, rectangle narrow slit is offered at described dipole arm center, fixes dipole arm for being inserted in nylon pillar by screw.
4. a kind of perpendicular polarization terrestrial television transmitting antenna based on disc oscillator according to claim 1, it is characterized in that, described more piece broadband can Power Regulation divide the inner wire of feeding network to be made up of the cylinder of more piece different length, different-diameter, the diameter of outer conductor is identical, common formation stepped impedance feeding network.
5. a kind of perpendicular polarization terrestrial television transmitting antenna based on disc oscillator according to claim 1, it is characterized in that, described reflecting plate is a rectangular metal plate, circular port is offered at reflecting plate center, and input connector inner wire can Power Regulation divide feeding network inner wire to be connected through circular port with more piece broadband.
6. a kind of perpendicular polarization terrestrial television transmitting antenna based on disc oscillator according to claim 1, it is characterized in that, outside described banded parallel lines feed structure, tape center is offered and Power Regulation can be divided the through hole that feeding network inner wire diameter is identical with more piece broadband, more piece broadband can Power Regulation divide feeding network inner wire to be leant out by through hole, is connected with tape outside banded parallel lines feed structure.
7. a kind of perpendicular polarization terrestrial television transmitting antenna based on disc oscillator according to claim 1, it is characterized in that, described Ba Lun feed structure is ' L ' shape, and length is quarter-wave.
8. a kind of perpendicular polarization terrestrial television transmitting antenna based on disc oscillator according to claim 1, is characterized in that, described more piece broadband can Power Regulation divide feeding network to be the coaxial power splitter of more piece, and the length of each minor matters and diameter are all adjustable; More piece broadband can be divided between feeding network internal and external conductor by the polytetrafluoroethylene ring at interval as support in Power Regulation.
9. a kind of perpendicular polarization terrestrial television transmitting antenna based on disc oscillator according to claim 1, it is characterized in that, the distance between the array element plane of described disk dipole triads battle array and reflecting plate is quarter-wave.
10. a kind of perpendicular polarization terrestrial television transmitting antenna based on disc oscillator according to claim 1, it is characterized in that, described banded parallel lines are half-wavelength metal strap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510676831.5A CN105337024A (en) | 2015-10-16 | 2015-10-16 | Vertically polarized ground television transmitting antenna based on disk oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510676831.5A CN105337024A (en) | 2015-10-16 | 2015-10-16 | Vertically polarized ground television transmitting antenna based on disk oscillator |
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| CN105337024A true CN105337024A (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510676831.5A Pending CN105337024A (en) | 2015-10-16 | 2015-10-16 | Vertically polarized ground television transmitting antenna based on disk oscillator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110690551A (en) * | 2019-11-01 | 2020-01-14 | 大连海事大学 | Full-band double-layer trapezoidal digital television transmitting antenna |
| CN111244615A (en) * | 2020-03-11 | 2020-06-05 | 电子科技大学 | Terahertz is integrated dipole antenna transition structure on piece now |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020050954A1 (en) * | 2000-11-02 | 2002-05-02 | Ace Technology | Apparatus for wideband directional antenna |
| CN202042604U (en) * | 2011-04-25 | 2011-11-16 | 成都成广电视设备有限公司 | Double-layer vertical-polarization antenna |
| CN202268479U (en) * | 2011-10-17 | 2012-06-06 | 辽宁普天数码产业有限公司 | Horizontal polarization digital television transmitting antenna based on disc oscillator |
| CN203826564U (en) * | 2014-03-18 | 2014-09-10 | 渤海船舶职业学院 | Dual-polarized antenna used for high-definition image transmission |
| CN205039244U (en) * | 2015-10-16 | 2016-02-17 | 辽宁普天数码股份有限公司 | Vertical polarisation terrestrial television emit antenna based on disc oscillator |
-
2015
- 2015-10-16 CN CN201510676831.5A patent/CN105337024A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020050954A1 (en) * | 2000-11-02 | 2002-05-02 | Ace Technology | Apparatus for wideband directional antenna |
| CN202042604U (en) * | 2011-04-25 | 2011-11-16 | 成都成广电视设备有限公司 | Double-layer vertical-polarization antenna |
| CN202268479U (en) * | 2011-10-17 | 2012-06-06 | 辽宁普天数码产业有限公司 | Horizontal polarization digital television transmitting antenna based on disc oscillator |
| CN203826564U (en) * | 2014-03-18 | 2014-09-10 | 渤海船舶职业学院 | Dual-polarized antenna used for high-definition image transmission |
| CN205039244U (en) * | 2015-10-16 | 2016-02-17 | 辽宁普天数码股份有限公司 | Vertical polarisation terrestrial television emit antenna based on disc oscillator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110690551A (en) * | 2019-11-01 | 2020-01-14 | 大连海事大学 | Full-band double-layer trapezoidal digital television transmitting antenna |
| CN110690551B (en) * | 2019-11-01 | 2024-03-15 | 大连海事大学 | Full-band double-layer trapezoidal digital television transmitting antenna |
| CN111244615A (en) * | 2020-03-11 | 2020-06-05 | 电子科技大学 | Terahertz is integrated dipole antenna transition structure on piece now |
| CN111244615B (en) * | 2020-03-11 | 2024-03-29 | 电子科技大学 | Terahertz on-chip integrated dipole antenna transition structure |
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Application publication date: 20160217 |