CN116895952A - Inverted V-shaped antenna phased array system - Google Patents
Inverted V-shaped antenna phased array system Download PDFInfo
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- CN116895952A CN116895952A CN202311159627.7A CN202311159627A CN116895952A CN 116895952 A CN116895952 A CN 116895952A CN 202311159627 A CN202311159627 A CN 202311159627A CN 116895952 A CN116895952 A CN 116895952A
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- 230000010363 phase shift Effects 0.000 claims abstract description 28
- 238000004891 communication Methods 0.000 claims abstract description 17
- 230000010287 polarization Effects 0.000 claims description 7
- 238000004904 shortening Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 18
- 238000009434 installation Methods 0.000 description 5
- 230000002194 synthesizing effect Effects 0.000 description 4
- 238000004088 simulation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
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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
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/321—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The embodiment of the application discloses an inverted V-shaped antenna phased array system, which is applied to the technical field of antennas. The system comprises: an antenna array and a phase shift processing system; the antenna array comprises four pairs of unit antennas, wherein each unit antenna comprises a pair of low-port inverted-V-shaped antennas and a pair of high-port inverted-V-shaped antennas; the low-mouth inverted-V antenna and the high-mouth inverted-V antenna include: the device comprises a matcher, a supporting rod, four vibrators, a stay wire and a grounding grid, wherein the supporting rod is vertically arranged on the ground and fixed through the stay wire, the matcher is arranged at the top end of the supporting rod, and the vibrators are respectively fixed around the supporting rod and form a certain angle with the supporting rod; the phase shift processing system comprises a low-port phase shift processing system and a high-port phase shift processing system. The scheme can provide higher gain for medium-short-distance short-wave communication, can also perform beam deflection control, and realizes flexible and adjustable communication direction.
Description
Technical Field
The application relates to the technical field of antennas, in particular to an inverted V-shaped antenna phased array system.
Background
A phased array antenna refers to an antenna in which the pattern shape is changed by controlling the feed phase of radiating elements in the array antenna. The control phase can change the direction of the maximum value of the antenna pattern so as to achieve the purpose of beam scanning.
The short wave inverted V antenna phased array system is a novel short wave phased array communication antenna system and can be used for medium-short distance short wave communication. However, no perfect inverted-V antenna phased array system design exists.
Disclosure of Invention
In order to solve the technical problems, the embodiment of the application expects to provide an inverted V-shaped antenna phased array system which can provide higher gain for medium-short-distance short-wave communication, can also perform beam deflection control and realizes flexible and adjustable communication direction.
The technical scheme of the application is realized as follows:
the embodiment of the application provides an inverted V-shaped antenna phased array system, which comprises: the antenna array is in communication connection with the phase-shift processing system; wherein,
the antenna array comprises four pairs of unit antennas, each pair of unit antennas comprises a pair of low-port inverted-V-shaped antennas and a pair of high-port inverted-V-shaped antennas, the four pairs of low-port inverted-V-shaped antennas are mutually independent and are distributed in a 2 multiplied by 2 array, and the four pairs of high-port inverted-V-shaped antennas are mutually independent and are distributed in a 2 multiplied by 2 array; the low-port inverted V-shaped antenna works in the frequency range of 3-9 MHz, and the high-port inverted V-shaped antenna works in the frequency range of 9-30 MHz;
the low mouth inverted-V antenna and the high mouth inverted-V antenna both include: the device comprises a matcher, a supporting rod, four vibrators, a stay wire and a grounding grid, wherein the supporting rod is vertically arranged on the ground and fixed through the stay wire, the matcher is arranged at the top end of the supporting rod, and the vibrators are respectively fixed around the supporting rod and form a certain angle with the supporting rod;
the phase shift processing system includes: the low-port phase shift processing system and the high-port phase shift processing system comprise multi-beam synthesizers; the low-port inverted-V antenna is electrically connected with a multi-beam synthesizer of the low-port phase-shifting processing system, and the high-port inverted-V antenna is electrically connected with the multi-beam synthesizer of the high-port phase-shifting processing system;
the height of the vibrator of the low-port inverted V-shaped antenna from the ground is 11m, and the distance between the support rods of two adjacent pairs of low-port inverted V-shaped antennas is 25m;
the height of the vibrator of the high-aperture inverted-V-shaped antenna from the ground is 9m, and the distance between the support rods of two adjacent pairs of high-aperture inverted-V-shaped antennas is 10m.
Alternatively, the 2 x 2 array is oriented normal to north 0 ° or south 180 °.
Optionally, the array gain of the antenna array is greater than or equal to 5dB; the standing wave ratio of the antenna array is less than or equal to 2.5.
Optionally, the polarization modes of the antenna array are horizontal polarization and vertical polarization.
Alternatively, the low port phase amount of the antenna phased array system；
wherein ,is vacuum light speed>For the length of the reference cable 1>For the length of the cable n to be tested, +.>For the wavelength shortening factor of the cable, < > for>Is the center frequency of band 1.
Alternatively, the high port phase amount of the antenna phased array system；
wherein ,is vacuum light speed>For the length of the reference cable 1>For the length of the cable n to be tested, +.>For the wavelength shortening factor of the cable, < > for>Is the center frequency of band 2.
Compared with the prior art, the application has the following advantages:
the inverted-V antenna phased array system provided by the application comprises low-mouth inverted-V antennas and high-mouth inverted-V antennas which are arranged in a 2X 2 array, and a low-mouth phase-shifting processing system designed for the low-mouth inverted-V antennas which are arranged in a 2X 2 array and a phase-shifting processing system designed for the high-mouth inverted-V antennas which are arranged in a 2X 2 array, wherein the height of an oscillator of the low-mouth inverted-V antennas from the ground is limited to 11m, and the distance between support rods of two adjacent pairs of low-mouth inverted-V antennas is limited to 25m through researches; the height of the vibrator of the high-aperture inverted-V antenna from the ground is defined as 9m, and the distance between the support rods of two adjacent pairs of high-aperture inverted-V antennas is defined as 10m. The phase-shifting processing system has the advantages that the low-port inverted V-shaped antenna works in the frequency range of 3-9 MHz, the high-port inverted V-shaped antenna works in the frequency range of 9-30 MHz, and the working frequency range of the phase-shifting processing system can be set and selected according to the working. Compared with a system with a single inverted-V antenna, the inverted-V antenna phased array system can realize an array gain of not less than 5dB and 6 azimuth plane beams, has better middle-high elevation angle receiving capability, and can provide higher gain for short-wave communication in a middle-near distance; meanwhile, the system has small occupied area, can also perform beam deflection control, and realizes flexible and adjustable communication direction, thereby providing guarantee for medium-near field communication in different directions.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
fig. 1 is a schematic diagram of a block diagram connection structure of an inverted V antenna phased array system according to an embodiment of the present application;
fig. 2 is a schematic diagram of an installation structure of four pairs of low-port inverted V-shaped antennas or four pairs of high-port inverted V-shaped antennas on the ground in the embodiment of the present application;
fig. 3 is a schematic structural diagram of the low-port inverted V-shaped antenna or the high-port inverted V-shaped antenna according to an embodiment of the present application;
fig. 4 is a schematic top view of the installation positions of the four pairs of low-port inverted V-shaped antennas according to an embodiment of the present application;
fig. 5 is a schematic top view of the installation positions of the four pairs of high-aperture inverted V-shaped antennas according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a phase shift processing system according to an embodiment of the present application;
fig. 7 illustrates a multi-beam combining phase-shifting processing cabinet according to an embodiment of the application;
FIG. 8 is a pattern diagram of array factors of a beam synthesizer for synthesizing a 0℃beam according to an embodiment of the present application;
fig. 9 is an array factor pattern of a beam synthesizer for synthesizing 30 ° beams according to an embodiment of the present application;
fig. 10 is a voltage standing wave ratio of a low-port inverted V-shaped antenna according to an embodiment of the present application;
FIG. 11 shows a voltage standing wave ratio of a high-aperture inverted V-shaped antenna according to an embodiment of the present application;
FIG. 12 is a 3MHz pattern diagram of a low port inverted V antenna provided by an embodiment of the present application;
FIG. 13 is a 6MHz pattern diagram of a low port inverted V antenna provided by an embodiment of the present application;
fig. 14 is a 9MHz pattern of a low-port inverted V antenna according to an embodiment of the present application;
FIG. 15 is a 9MHz pattern diagram of a high notch inverted V antenna provided by an embodiment of the present application;
FIG. 16 is a 17MHz pattern diagram of a high notch inverted V antenna provided by an embodiment of the present application;
fig. 17 is a 30MHz directional diagram of a high-aperture inverted-V antenna according to an embodiment of the present application.
Reference numerals illustrate:
100-antenna array; 200-a phase shift processing system; 110-element antenna; 111-matcher; 112-supporting rods; 113-vibrator; 114-stay wire; 115-lightning rod.
Detailed Description
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Also, unless explicitly described otherwise, the word "comprise" and variations such as "comprises" or "comprising" will be understood to imply the inclusion of a stated element but not the exclusion of any other element.
References to "and/or" in embodiments of the present application are intended to "include any and all combinations of one or more of the associated listed items. Various components are described in terms of "first," "second," etc. in embodiments of the application, but these components should not be limited by these terms. These terms are only used to distinguish one element from another element. Also, the singular forms "a," "an," and "the ()" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
In addition, the following embodiments of the present application may be performed alone or in combination with each other, and the embodiments of the present application are not limited thereto.
The inverted-V antenna phased array system provided by the embodiment of the application will be described in detail.
Fig. 1 is a schematic structural diagram of an inverted V-antenna phased array system according to an embodiment of the present application. As shown in fig. 1, the inverted V antenna phased array system includes: antenna array 100 and phase shift processing system 200, antenna array 100 and phase shift processing system 200 are communicatively coupled. The antenna array 100 includes four pairs of unit antennas 110, each pair of unit antennas 110 includes a pair of low-port inverted V-shaped antennas and a pair of high-port inverted V-shaped antennas, that is, the antenna array 100 includes four pairs of low-port inverted V-shaped antennas and four pairs of high-port inverted V-shaped antennas, where the four pairs of low-port inverted V-shaped antennas are mutually independent and are arranged in a 2×2 array, and the four pairs of high-port inverted V-shaped antennas are mutually independent and are arranged in a 2×2 array; the structural schematic diagrams of the four pairs of low-port inverted-V-shaped antennas and the four pairs of high-port inverted-V-shaped antennas are shown in fig. 2, wherein the low-port inverted-V-shaped antennas work in a frequency band of 3-9 MHz, and the high-port inverted-V-shaped antennas work in a frequency band of 9-30 MHz;
it should be noted that, in the embodiment of the present application, the interval between the installation positions of four pairs of low-aperture inverted V-shaped antennas arranged in a 2×2 array and the installation positions of four pairs of high-aperture inverted V-shaped antennas arranged in a 2×2 array needs to be more than 5-10 meters, so as to ensure that no interference is generated during mutual working.
As shown in fig. 3, the low-mouth inverted V-shaped antenna and the high-mouth inverted V-shaped antenna each include a matcher 111, a support rod 112, four vibrators 113, a pull wire 114, and a ground screen (not shown in fig. 3). The supporting rods 112 are vertically arranged on the ground and fixed by stay wires 114, the vibrators 113 are respectively fixed around the supporting rods 112 and form a certain angle with the supporting rods 112, and the vibrators 113 are not directly connected to the ground but are separated from the ground by insulators. Optionally, the low-mouth inverted-V antenna and the high-mouth inverted-V antenna further include a lightning rod 115. The impedance converter of the antenna adopts a non-integer ratio conversion technology, the antenna radiator is of a symmetrical four-vibrator inverted V structure, and the matcher 111 is arranged at the top end of the supporting rod 112. The unit antenna 110 is a broadband, traveling wave, near normal incidence antenna, which has the characteristics of omni-direction and substantially no "dead zone".
Fig. 4 is a schematic top view of a four-pair low-port inverted V-shaped antenna according to an embodiment of the present application. As shown in fig. 4, the four pairs of low-mouth inverted-V antennas are M1, M2, M3 and M4 in fig. 4, respectively, the height of the vibrator 113 of the low-mouth inverted-V antenna from the ground is 11M, and the distance between the support bars 112 of two adjacent pairs of low-mouth inverted-V antennas is 25M. The footprint of the low-notch inverted-V antenna is 50m x 50m.
Fig. 5 is a schematic top view of a four-pair inverted V-shaped antenna according to an embodiment of the present application. As shown in fig. 5, the four pairs of inverted V-shaped high-aperture antennas are M1, M2, M3 and M4 in fig. 5, respectively, the height of the vibrator 113 of the inverted V-shaped high-aperture antenna from the ground is 9M, and the distance between the support bars 112 of two adjacent pairs of inverted V-shaped high-aperture antennas is 10M. The footprint of the high-aperture inverted-V antenna is 20m x 20m.
In one embodiment, the 2 x 2 array is oriented normal to 0 ° north or 180 ° south.
In one embodiment, the main technical indexes of the antenna array 100 are as follows:
(1) Operating frequency range: 3 MHz-9 MHz,9 MHz-30 MHz;
(2) Array format: a 2 x 2 array;
(3) Array radius: 25m (3-9 MHz), 10m (9-30 MHz);
(4) Number of array elements: 4 pairs of low-port inverted V-shaped antennas and 4 pairs of high-port inverted V-shaped antennas;
(5) Array gain: not less than 5dB (without unit antenna gain);
(6) Azimuth plane number of waves: 6;
(7) Communication orientation: 0 °,30 °,150 °,180 °,210 °,330 °, wherein true north is 0 °;
(8) Beam width (3 dB): 30 °;
(9) Wave position scheduling time: less than or equal to 10s;
(10) Unit antenna form: four-wire inverted V antenna;
(11) Unit antenna directional gain: 5dBi;
(12) Voltage standing wave ratio: not more than 2.5;
(13) Polarization mode: horizontal polarization and vertical polarization;
(14) Radio wave propagation mode: sky and earth waves;
(15) Nominal impedance: 50 omega;
(16) Directional gain: more than or equal to 4.5dBi (3-9 MHz) and more than or equal to 5.5dBi (9-30 MHz);
(17) Interface type: and L16.
In one embodiment, phase shift processing system 200 includes: the low-port phase shift processing system and the high-port phase shift processing system comprise multi-beam synthesizers; the low-port inverted-V antenna is connected with a multi-beam synthesizer of the low-port phase-shifting processing system, the high-port inverted-V antenna is connected with the multi-beam synthesizer of the high-port phase-shifting processing system, n beams are generated, and the beam pointing adjustment is distributed at 30 degrees. In the present application, the high-port and low-port phase-shift processing systems have the same composition structure, but the designs of the multi-beam combiner are different, and fig. 6 is a schematic diagram of a phase-shift processing system provided in the embodiment of the present application. The multi-beam combiner is integrated in a standard cabinet with 19 inches on both sides, as shown in fig. 7, and the multi-beam combining phase-shifting processing cabinet provided by the embodiment of the application.
The beam combiner is realized by adopting a phase-shifting cable mode. The center frequency is selected according to the frequency band 1 (3 MHz-9 MHz) and the frequency band 2 (9 MHz-30 MHz), f1=6MHz, f2=19.5 MHz.
Low port phase quantity for antenna phased array system； wherein ,/>In order to achieve the vacuum light velocity,for the length of the reference cable 1>For the length of the cable n to be tested, +.>For the wavelength shortening factor of the cable, < > for>Is the center frequency of band 1.
High port phase quantity of antenna phased array system； wherein ,/>In order to achieve the vacuum light velocity,for the length of the reference cable 1>For the length of the cable n to be tested, +.>For the wavelength shortening factor of the cable, < > for>Is the center frequency of band 2.
FIG. 8 is a pattern diagram of array factors of a beam synthesizer for synthesizing a 0℃beam according to an embodiment of the present application; fig. 9 is an array factor direction diagram of a beam synthesizer for synthesizing 30 ° beams according to an embodiment of the present application.
As can be obtained through simulation, fig. 10 and fig. 11 are voltage standing wave ratios of a low-port inverted V-shaped antenna and a high-port inverted V-shaped antenna respectively provided in an embodiment of the present application. As shown in fig. 10 and 11, the voltage standing wave ratio of the low-mouth inverted-V antenna and the high-mouth inverted-V antenna is less than 2.
FIGS. 12-14 are diagrams of 3MHz, 6MHz and 9MHz respectively for a low-notch inverted-V antenna according to an embodiment of the present application; fig. 15 to 17 are diagrams of 9MHz, 17MHz and 30MHz of a high-aperture inverted V-shaped antenna according to an embodiment of the present application.
As can be seen from the simulation results, compared with only one pair of low-port or high-port inverted V antennas, the inverted V antenna phased array system provided by the application can realize an array gain of not less than 5dB and 6 azimuth plane beams. The directional gain of the unit antenna can reach 5dBi, the directional gain of the system is higher (typical value 10 dBi), the occupied area is small, the communication can be ensured according to the needs, the medium-high elevation receiving capability is better, and the receiving requirement of 0-2000km can be well met. The system is used for short wave reception and has certain anti-interference capability.
The embodiment of the application provides an inverted V-shaped antenna phased array system, which is applied to the technical field of antennas. The system comprises: the antenna array is in communication connection with the phase-shift processing system; the antenna array comprises four pairs of unit antennas, each pair of unit antennas comprises a pair of low-port inverted-V-shaped antennas and a pair of high-port inverted-V-shaped antennas, the low-port inverted-V-shaped antennas work in a frequency band of 3-9 MHz, and the high-port inverted-V-shaped antennas work in a frequency band of 9-30 MHz; the phase shift processing system includes: the low-port phase shift processing system and the high-port phase shift processing system comprise multi-beam synthesizers; the low-port inverted-V antenna is connected with a multi-beam synthesizer of the low-port phase-shifting processing system, and the high-port inverted-V antenna is connected with a multi-beam synthesizer of the high-port phase-shifting processing system. According to the scheme provided by the application, the inverted V-shaped antenna phased array system comprises the low-port inverted V-shaped antennas and the high-port inverted V-shaped antennas which are arranged in a 2 multiplied by 2 array, wherein the low-port inverted V-shaped antennas work in a frequency band of 3-9 MHz, the high-port inverted V-shaped antennas work in a frequency band of 9-30 MHz, and the working frequency band of the phased array system can be set and selected according to the work. Compared with a system with a single inverted-V antenna, the inverted-V antenna phased array system can realize an array gain of not less than 5dB and 6 azimuth plane beams, has better middle-high elevation angle receiving capability, and can provide higher gain for short-wave communication in a middle-near distance; meanwhile, the system has small occupied area, can also perform beam deflection control, and realizes flexible and adjustable communication direction, thereby providing guarantee for medium-near field communication in different directions.
The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the present application.
Claims (6)
1. An inverted-V antenna phased array system, comprising: an antenna array (100) and a phase-shift processing system (200), wherein the antenna array (100) is in communication connection with the phase-shift processing system (200); wherein,
the antenna array (100) comprises four pairs of unit antennas (110), each pair of unit antennas (110) comprises a pair of low-port inverted-V-shaped antennas and a pair of high-port inverted-V-shaped antennas, the four pairs of low-port inverted-V-shaped antennas are mutually independent and are arranged in a 2 multiplied by 2 array, and the four pairs of high-port inverted-V-shaped antennas are mutually independent and are arranged in a 2 multiplied by 2 array; the low-port inverted-V antenna works in the frequency range of 3-9 MHz, and the high-port inverted-V antenna works in the frequency range of 9-30 MHz;
the low-mouth inverted-V antenna and the high-mouth inverted-V antenna both comprise: the device comprises a matcher (111), a supporting rod (112), four vibrators (113), a stay wire (114) and a grounding grid, wherein the supporting rod (112) is vertically arranged on the ground and is fixed through the stay wire (114), the matcher (111) is arranged at the top end of the supporting rod (112), and the vibrators (113) are respectively fixed on the periphery of the supporting rod (112) and form a certain angle with the supporting rod (112);
the phase shift processing system (200) includes: the system comprises a low-port phase shift processing system and a high-port phase shift processing system, wherein the low-port phase shift processing system and the high-port phase shift processing system both comprise a multi-beam synthesizer; the low-port inverted-V antenna is electrically connected with a multi-beam synthesizer of the low-port phase-shifting processing system, and the high-port inverted-V antenna is electrically connected with the multi-beam synthesizer of the high-port phase-shifting processing system;
the height of the vibrator (113) of the low-port inverted-V antenna from the ground is 11m, and the distance between two adjacent pairs of support rods (112) of the low-port inverted-V antenna is 25m;
the height of the vibrator (113) of the high-aperture inverted-V antenna from the ground is 9m, and the distance between two adjacent pairs of support rods (112) of the high-aperture inverted-V antenna is 10m.
2. The inverted-V antenna phased array system of claim 1, wherein said 2 x 2 array is oriented normal to north 0 ° or south 180 °.
3. The inverted-V antenna phased array system of claim 1, wherein a group gain of the antenna array (100) is greater than or equal to 5dB; the standing wave ratio of the antenna array (100) is less than or equal to 2.5.
4. The inverted-V antenna phased array system of claim 1, wherein the polarization of the antenna array (100) is horizontal and vertical.
5. The inverted-V antenna phased array system of claim 1, wherein the low port phase amount of the antenna phased array system；
wherein ,is vacuum light speed>For the length of the reference cable 1>For the length of the cable n to be tested, +.>For the wavelength shortening factor of the cable, < > for>Is the center frequency of band 1.
6. The inverted-V antenna phased array system of claim 1, wherein a high port phase amount of the antenna phased array system；
wherein ,is vacuum light speed>For the length of the reference cable 1>Is quilt ofMeasuring the length of the cable n->For the wavelength shortening factor of the cable, < > for>Is the center frequency of band 2.
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| GB353517A (en) * | 1929-10-11 | 1931-07-27 | Standard Telephones Cables Ltd | Improvements in or relating to antenna systems |
| JP2005020408A (en) * | 2003-06-26 | 2005-01-20 | Toshiba Corp | Spatial power supply type antenna device |
| CN201060945Y (en) * | 2007-06-05 | 2008-05-14 | 王剑 | Short wave inverse V-shaped tail end loading wideband antenna |
| CN202404233U (en) * | 2011-12-12 | 2012-08-29 | 南京恩瑞特实业有限公司 | Inverse V-shaped antenna array intermediate-frequency (MF) radar |
| CN207852944U (en) * | 2018-02-09 | 2018-09-11 | 成都西成科技有限责任公司 | A kind of orthogonal antenna of falling V of shortwave |
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| CN116895952B (en) | 2023-11-17 |
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