CN109687169A - Fixed frequency conelike beam scanning antenna - Google Patents
Fixed frequency conelike beam scanning antenna Download PDFInfo
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- CN109687169A CN109687169A CN201910030224.XA CN201910030224A CN109687169A CN 109687169 A CN109687169 A CN 109687169A CN 201910030224 A CN201910030224 A CN 201910030224A CN 109687169 A CN109687169 A CN 109687169A
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- 239000002184 metal Substances 0.000 claims abstract description 55
- 229910052751 metal Inorganic materials 0.000 claims abstract description 55
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 28
- 239000000758 substrate Substances 0.000 claims description 24
- 230000008878 coupling Effects 0.000 claims description 23
- 238000010168 coupling process Methods 0.000 claims description 23
- 238000005859 coupling reaction Methods 0.000 claims description 23
- 239000004020 conductor Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 6
- 239000004809 Teflon Substances 0.000 claims description 2
- 229920006362 Teflon® Polymers 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 239000002223 garnet Substances 0.000 description 4
- MTRJKZUDDJZTLA-UHFFFAOYSA-N iron yttrium Chemical compound [Fe].[Y] MTRJKZUDDJZTLA-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000002591 computed tomography Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
- H01Q21/293—Combinations of different interacting antenna units for giving a desired directional characteristic one unit or more being an array of identical aerial elements
-
- 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
-
- 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
-
- 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
- H01Q1/32—Adaptation for use in or on road or rail vehicles
-
- 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
- H01Q1/34—Adaptation for use in or on ships, submarines, buoys or torpedoes
-
- 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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0075—Stripline fed arrays
-
- 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
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
The present invention discloses a kind of fixed frequency conelike beam scanning antenna, including planar circuit feeding network (2), 50 Ω SMA coaxial connector (3) of standard, circular antenna floor (4) and multiple bar shaped radiating elements (1)；Each bar shaped radiating element (1) includes a bar shaped microwave ferrite (11), the upper surface of the bar shaped microwave ferrite (11) is glued with metal covering (12), the lower surface of bar shaped microwave ferrite (11) is glued with lower metal covering (13), and the lower metal covering (13) is fixedly connected with upper metal covering (12) by being tightly attached to the side metal covering (14) of bar shaped microwave ferrite (11) one side.Fixed frequency conelike beam scanning antenna of the invention, structure is simple, section is low, certain gain can be kept to realize conelike beam scanning under fixed frequency, and antenna beam is stablized.
Description
Technical field
The invention belongs to electronic fuse system antenna and communication in moving system antenna technical field, especially a kind of structure letter
Single, using the gyromagnet characteristic of microwave ferrite, section is low, and certain gain can be kept to realize the cone of conelike beam under fixed frequency
Shape beam scanning antennas.
Background technique
Fuze system antenna and communication in moving system antenna are multi-functional, high-gain, chase after in real time for meeting for conelike beam antenna
The functional requirement of track.In fuze system antenna, far field greatest irradiation direction is located at its axis into the conical surface at a certain inclination angle
On, and the angle of adjustment wave beam and body central axis is to adjust Optimal Burst face in real time, to improve fuse and warhead
Cooperate efficiency.Communication in moving system antenna in automobile, train, aircraft and steamer moving process, by adjusting antenna wave in real time
Shu Zhixiang, always to satelloid, the gain of conelike beam, wave beam tracking performance between phased array antenna and omnidirectional antenna,
Improve the quality of mobile satellite communication.
Cellular construction or radiating element group battle array structure can generate conelike beam, high by changing array pitch, antenna
Degree, the methods of radiating element mode control cone angle, but these parameters when manufacturing antenna it has been determined that can not achieve fixed frequency under
Conelike beam scanning.The research both at home and abroad for conelike beam scanning aspect is still short of at present, but fuze system and it is dynamic in
Demand of the antenna to scanning under fixed frequency is relatively high in way system, and the conelike beam angle of certain gain is kept under fixed frequency
Scanning becomes research hotspot.
Chinese invention patent application " conelike beam scanning computed tomography S antenna " (application number: 201710759246.0, publication date:
2018.01.30 a kind of conelike beam scanning computed tomography S antenna) is disclosed, including the face H ridged horn, Pillbox bias parabolic box, U
Type plate elbow and planar waveguide CTS array, wherein planar waveguide CTS array is placed in above Pillbox biasing parabolic box, one
Side is connected with U-shaped plate elbow one end, and the other end of U-shaped plate elbow is connected with the bore port of Pillbox biasing parabolic box,
The face H ridged horn is placed on the Pillbox biasing parabolic box side wall opposite with Pillbox biasing parabolic box reflecting surface, phase
Center is directed at a certain fixed point on Pillbox biasing parabolic box reflecting surface.
Above-mentioned antenna has wider frequency band and higher gain, however it still has following problems:
1, its aerial radiation array and feeding network use double-layer structure, and section is high, and structure is complicated, need input cost compared with
It is high；
2, the antenna controls H surface wave beam using mechanical scanning, scanning speed compared with slow, precision is poor, though and patent it is entitled
Conelike beam scanning, but really directed-beam scan, can not carry out conelike beam electric scanning under fixed frequency.
Summary of the invention
The purpose of the present invention is to provide a kind of fixed frequency conelike beam scanning antenna, structure is simple, section is low, can be
Certain gain is kept to realize conelike beam scanning under fixed frequency, and antenna beam is stablized.
The technical solution for realizing the aim of the invention is as follows:
A kind of fixed frequency conelike beam scanning antenna, including planar circuit feeding network 2,50 Ω SMA of standard coaxially connect
Connect device 3, circular antenna floor 4 and multiple bar shaped radiating elements 1；The multiple bar shaped radiating element 1 was along the antenna floor 4 weeks
To 4 upper surface of antenna floor is evenly arranged in, each bar shaped radiating element 1 is along 4 circumferentially extending of antenna floor；50 Ω of standard
SMA coaxial connector 3 passes through antenna floor 4, by being placed in the planar circuit feeding network 2 of 4 upper surface of antenna floor to bar shaped
Radiating element 1 is vertically fed；Each bar shaped radiating element 1 includes a bar shaped microwave ferrite 11, the bar shaped microwave iron
The upper surface of oxysome 11 is glued with metal covering 12, and the lower surface of bar shaped microwave ferrite 11 is glued with lower metal covering 13, described
Lower metal covering 13 is fixedly connected with upper metal covering 12 by being tightly attached to the side metal covering 14 of 11 one side of bar shaped microwave ferrite；Institute
Lower metal covering 13 is stated to be sealedly and fixedly connected with 4 upper surface of antenna floor；The upper metal covering 12 and 2 electricity of planar circuit feeding network
Connection.
Compared with prior art, the present invention its remarkable advantage are as follows:
1, structure is simple: antenna integrated design, radiating element, the planar circuit of right side open circuit load microwave ferrite
Connected between feeding network and antenna floor using metallic conduction gluing, is fixed without welding, screw, at low cost, light-weight, installation
Debugging is simple, and connection gap is small, and precision is high, and antenna performance is preferable.
2, section is low: antenna height is mainly determined by the radiating element of right side open circuit load microwave ferrite, selects yttrium
Iron garnet ferrite is highly 1.6mm as load material.
3, it keeps the conelike beam of certain gain to scan under fixed frequency: utilizing the gyromagnet characteristic of microwave ferrite, control
The applied bias magnetic field of ferrite thickness direction carries out beam scanning, and conelike beam scanning angle is 14 °~34 °, circumferential non-round
Degree is respectively less than 0.5dB, and gain is 8.1dB~10.5dB.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Fig. 1 is the three dimensional structure diagram of conelike beam scanning antenna of the present invention.
Fig. 2 is that right side open circuit loads ferritic Rectangular Waveguide Structure scale diagrams in Fig. 1.
Fig. 3 is the top view of the planar circuit feeding network of Fig. 1.
Fig. 4 is the vertical view scale diagrams of Fig. 3.
Fig. 5 is Phi=0 ° of face directional diagram of conelike beam scanning antenna in embodiment.
Fig. 6 is Phi=90 ° of face directional diagram of conelike beam scanning antenna in embodiment.
Fig. 7 is applied bias magnetic field and the relational graph of scanning angle of conelike beam scanning antenna in embodiment.
Fig. 8 is that the circumferential out-of-roundness of conelike beam scanning antenna in embodiment compares figure.
Fig. 9 is the S parameter curve graph of conelike beam scanning antenna in embodiment.
In figure, bar shaped radiating element 1, planar circuit feeding network 2,50 Ω SMA coaxial connector 3 of standard, circular antenna
Floor 4, bar shaped microwave ferrite 11, upper metal covering 12, lower metal covering 13, side metal covering 14, positive polygon prism medium substrate 21, just
Polygon metal patch 22, simple microstrip line 23, band short-circuit end coupling line 24 increase road minor matters microstrip line 25, coupling line 242,
Metal column 241, inner conductor 31, outer conductor 32.
Specific embodiment
As shown in Figure 1, fixed frequency conelike beam scanning antenna of the present invention, including planar circuit feeding network 2, standard 50
Ω SMA coaxial connector 3, circular antenna floor 4 and multiple bar shaped radiating elements 1；
The multiple bar shaped radiating element 1 is arranged circumferentially in 4 upper surface of antenna floor, often along the antenna floor 4
A bar shaped radiating element 1 is along 4 circumferentially extending of antenna floor；
The 50 Ω SMA coaxial connector 3 of standard passes through antenna floor 4, by the plane for being placed in 4 upper surface of antenna floor
Line feed network 2 vertically feeds bar shaped radiating element 1；
As shown in Fig. 2, each bar shaped radiating element 1 includes a bar shaped microwave ferrite 11, the bar shaped microwave iron
The upper surface of oxysome 11 is glued with metal covering 12, and the lower surface of bar shaped microwave ferrite 11 is glued with lower metal covering 13, described
Lower metal covering 13 is fixedly connected with upper metal covering 12 by being tightly attached to the side metal covering 14 of 11 one side of bar shaped microwave ferrite.
The lower metal covering 13 is sealedly and fixedly connected with 4 upper surface of antenna floor；
The upper metal covering 12 is electrically connected with planar circuit feeding network 2.
The lower surface of planar circuit feeding network 2, the lower metal covering 13 of bar shaped radiating element 1 and 4 upper surface of antenna floor
It is all made of metallic conduction gluing company.
As shown in Figure 1,3, the planar circuit feeding network 2 includes positive polygon prism medium substrate 21, regular polygon metal
Patch 22, multiple simple microstrip lines 23, multiple band short-circuit end coupling lines 24 and multiple increase road minor matters microstrip line 25；
The medium substrate 21, the number of edges of metal patch 22 are identical as the number of bar shaped radiating element 1；
Each metal for including coupling line 242 with short-circuit end coupling line 24 and being fixedly connected with 242 one end of coupling line
Column 241；
The regular polygon metal patch 22, multiple simple microstrip lines 23, multiple band short-circuit end coupling lines 24 and it is multiple plus
Open circuit minor matters microstrip line 25 is respectively positioned on the upper surface of positive polygon prism medium substrate 21, the center of the regular polygon metal patch 22
It is overlapped with the center of positive polygon prism medium substrate 21, the midpoint on every one side of the regular polygon metal patch 22 is simple micro- with one
One end with line 23 is connected, and the other end of the simple microstrip line 23 is connected with the one end with short-circuit end coupling line 24, described
The other end with short-circuit end coupling line 24 is connected with the one end for increasing road minor matters microstrip line 25, described to increase road minor matters microstrip line 25
The other end be located on the edge of positive polygon prism medium substrate 21；
The simple microstrip line 23, band and increase road minor matters microstrip line 25 along 4 diameter of antenna floor at short-circuit end coupling line 24
To stretching, extension.
The upper metal covering 12 of the bar shaped radiating element 1 close to positive 21 one end of polygon prism medium substrate with to increase road minor matters micro-
Band line 25 is electrically connected.
As shown in Figure 1, the 50 Ω SMA coaxial connector 3 of standard includes inner conductor 31 and outer conductor 32；
The outer conductor 32 is placed under positive polygon prism medium substrate 21, and the lower end of the inner conductor 31 and outer conductor 32 are solid
The other end of fixed connection, inner conductor 31 passes through antenna floor 4, is fixedly linked with the center of regular polygon metal patch 22.
Preferably,
The medium substrate 21, metal patch 22 number of edges be 12.
Preferably,
The positive polygon prism medium substrate 21 is Rogers 5880, and dielectric constant 2.2, substrate thickness is
1.575mm, tangent loss are 9 × 10-4。
The diameter of the metal column 241 is equal with the width of coupling line 242.
The inner conductor 31 selects metal material, diameter 1.2mm, and outer conductor 32 selects Teflon material, and diameter is
4mm。
The outside diameter D=178mm on the antenna floor 4.
Fig. 4 is the vertical view scale diagrams of planar circuit feeding network.
It opens a way in right side in order to make the work of conelike beam scanning antenna in Ku wave band as embodiment and loads microwave iron
In the radiating element 1 of oxysome, applied bias magnetic field selects yttrium iron garnet ferrite as filling material perpendicular to the wide face of waveguide
Material, 4 π M of saturation magnetizations=1800G, line width Δ H=15Oe, dielectric constant 14.5, tangent loss are 2 × 10-4, Curie
Temperature Tc=260 DEG C, Lande factor g takes 2.The height h of microwave ferrite should be much smaller than waveguide effective wavelength, ferritic height
H=1.6mm is spent, is allowed in most low order TE mould lower limiting frequency be 93.7GHz；Ferritic length l=58mm is corresponded in work
Working frequency f0Under=12.5GHz, length l=2.4 λ0, phase constant in the size and waveguide of the width w of yttrium iron garnet ferrite
It is related, select the width w=2.1mm of yttrium iron garnet ferrite；
21 material of medium substrate is selected as Rogers 5880, dielectric constant 2.2, substrate in planar circuit feeding network 2
With a thickness of 1.575mm, tangent loss is 9 × 10-4。
Energy enters on the dodecagon metal patch 22 for being transferred to top from inner conductor 31, the thin metal of dodecagon
Impedance is Z in each edge of patch 220=600 ohm, 12 antenna elements 1 are connected in parallel on 12 sides of medium substrate 21
On, the port Impedance of antenna radiation unit is ZL=100 ohm.It is smooth in order to guarantee to have between inner conductor 31 and radiating element 1
Impedance transformation, increase the radiation efficiency of antenna, and take into account processing technology thereof, feeding network microstrip line is by three part groups
At；
Vertical range rr=5.1mm of the central point of the thin metal patch 22 of dodecagon to any a line；
The 23 width w of simple microstrip linef=0.8mm, long lf=2.5mm；
The band short-circuit end coupling line 24 realizes high characteristic impedance, the width phase of the diameter and coupling line 242 of metal column 241
Deng with even and odd mode analysis coupled line structure, the parity mode impedance of equivalent structure being found out, in conjunction with the tool in ADS software
Linecalc obtains coupling line line width and spacing is respectively wt=1mm, g1=0.5mm is optimized, l using HFSS software emulationt=
4.5mm；
The microstrip line 25 for increasing road minor matters is opened a way close to right side loads the radiating element 1 of microwave ferrite, because of ZL
=100 ohm, then enabling the part microstrip line characteristic impedance is also 100 ohm, is obtained using the tool Linecalc in ADS software
Line width w1=1.5mm, at the same in order to expand bandwidth, add a section laterally open circuit minor matters on this basis, it is imitative using HFSS software
True optimization show that other sizes are l1=5.4mm, d1=1mm, w_stub=1mm, l_stub=4mm.
Conelike beam is remote on Phi=0 ° of face and Phi=90 ° of face when Fig. 5 and Fig. 6 is applied bias changes of magnetic field respectively
Field pattern.It can be seen that conelike beam directional diagram on Phi=0 ° of face and Phi=90 ° of face is essentially identical, conelike beam is directed toward
Change with the variation in applied bias magnetic field.Work as μ0H0Respectively 1600Oe, 1700Oe, 1800Oe, 1900Oe when, cone cell wave
The angle Shu Zhixiang is respectively 30 °, 26 °, 22 °, 14 °, and antenna gain is respectively 8.4dB, 9.2dB, 9.3dB, 10.1dB, 3dB wave beam
Width is respectively 21 °, 19 °, 21.5 °, 23 °.With the increase of biased magnetic field strength, the gain of antenna is become larger, 3dB wave beam
Width is basically unchanged.
Beam position angle when Fig. 7 is applied bias changes of magnetic field, gain decline cone cell beam scanning range in 3dB and are
14 °~34 °.Work as μ0H0When < 1900Oe, biased magnetic field strength is bigger, and conelike beam orientation angle is smaller, but works as μ0H0>
When 1900Oe, beam pointing-angle is become larger.
Fig. 8 is differently directed the circumferential out-of-roundness of conelike beam under angle when being applied bias changes of magnetic field, it can be observed how working as
μ0H0Respectively 1600Oe, 1700Oe, 1800Oe, 1900Oe when, the circumferential out-of-roundness of conelike beam be respectively 0.45dB,
0.32dB, 0.14dB, 0.13dB, respectively less than 0.5dB.
The S parameter curve of conelike beam scanning antenna, works as μ when Fig. 9 is applied bias magnetic field difference0H0Respectively 1600Oe,
When 1700Oe, 1800Oe, 1900Oe, reflection coefficient is in working frequency f0At=12.5GHz be respectively -27.9dB, -
36.4dB,-22.9dB,-21.9dB.In addition, bias magnetic field be 1600Oe when -10dB impedance bandwidth from 12.32GHz to
12.79GHz reaching 3.8%；- 10dB impedance bandwidth reaches from 12.21GHz to 12.68GHz when bias magnetic field is 1700Oe
3.8%；- 10dB impedance bandwidth reaches 4.5% from 12.16GHz to 12.72GHz when bias magnetic field is 1800Oe；Bias magnetic field
- 10dB impedance bandwidth reaches 3.5% from 12.36GHz to 12.8GHz when for 1900Oe.
It can be seen that the gyromagnet characteristic that the present invention makes full use of microwave ferrite from Fig. 5 to Fig. 9, control ferrite thickness
The applied bias magnetic field in direction carries out beam scanning, and conelike beam scanning angle is 14 °~34 °, and circumferential out-of-roundness is respectively less than
0.5dB, gain are 8.1dB~10.5dB.Show that fixed frequency conelike beam scanning antenna of the invention can be under fixed frequency
Certain gain is kept to realize conelike beam scanning, and antenna beam is stablized.
Claims (8)
1. a kind of fixed frequency conelike beam scanning antenna, it is characterised in that:
Including planar circuit feeding network (2), 50 Ω SMA coaxial connector (3) of standard, circular antenna floor (4) and multiple
Shape radiating element (1)；
The multiple bar shaped radiating element (1) is arranged circumferentially along the antenna floor (4) in antenna floor (4) upper surface,
Each bar shaped radiating element (1) is along antenna floor (4) circumferentially extending；
The 50 Ω SMA coaxial connector (3) of standard passes through antenna floor (4), by being placed in the flat of antenna floor (4) upper surface
Face line feed network (2) vertically feeds bar shaped radiating element (1)；
Each bar shaped radiating element (1) includes a bar shaped microwave ferrite (11), the bar shaped microwave ferrite (11)
Upper surface is glued with metal covering (12), and the lower surface of bar shaped microwave ferrite (11) is glued with lower metal covering (13), under described
Metal covering (13) and upper metal covering (12) are fixed by the side metal covering (14) for being tightly attached to bar shaped microwave ferrite (11) one side
Connection；
The lower metal covering (13) is sealedly and fixedly connected with antenna floor (4) upper surface；
The upper metal covering (12) is electrically connected with planar circuit feeding network (2).
2. conelike beam scanning antenna according to claim 1, it is characterised in that:
The planar circuit feeding network (2) includes positive polygon prism medium substrate (21), regular polygon metal patch (22), multiple
Simple microstrip line (23), multiple band short-circuit end coupling lines (24) and multiple increase road minor matters microstrip line (25)；
The medium substrate (21), the number of edges of metal patch (22) are identical as the number of bar shaped radiating element (1)；
Each band short-circuit end coupling line (24) includes coupling line (242) and the gold that is fixedly connected with coupling line (242) one end
Belong to column (241)；
The regular polygon metal patch (22), multiple simple microstrip lines (23), multiple band short-circuit end coupling lines (24) and multiple
Increase the upper surface that road minor matters microstrip line (25) is respectively positioned on positive polygon prism medium substrate (21), the regular polygon metal patch
(22) center is overlapped with the center of positive polygon prism medium substrate (21), every one side of the regular polygon metal patch (22)
Midpoint is connected with one end of a simple microstrip line (23), the other end of the simple microstrip line (23) and a band short-circuit end coupling line
(24) one end is connected, the other end of the band short-circuit end coupling line (24) and one end phase for increasing road minor matters microstrip line (25)
Even, the other end for increasing road minor matters microstrip line (25) is located on the edge of positive polygon prism medium substrate (21)；
The simple microstrip line (23), band and increase road minor matters microstrip line (25) along antenna floor at short-circuit end coupling line (24)
(4) circumferentially extending；
The upper metal covering (12) of the bar shaped radiating element (1) is close to positive polygon prism medium substrate (21) one end and increases road minor matters
Microstrip line (25) electrical connection.
3. conelike beam scanning antenna according to claim 2, it is characterised in that:
The 50 Ω SMA coaxial connector (3) of standard includes inner conductor (31) and outer conductor (32)；
The outer conductor (32) is placed under positive polygon prism medium substrate (21), the lower end of the inner conductor (31) and outer conductor
(32) it is fixedly connected, the other end of inner conductor (31) passes through antenna floor (4), solid with the center of regular polygon metal patch (22)
It is fixed to be connected.
4. according to claim 1 to conelike beam scanning antenna described in one of 3, it is characterised in that:
The medium substrate (21), metal patch (22) number of edges be 12.
5. conelike beam scanning antenna according to claim 4, it is characterised in that:
The positive polygon prism medium substrate (21) be Rogers 5880, dielectric constant 2.2, substrate thickness 1.575mm,
Tangent loss is 9 × 10-4。
6. conelike beam scanning antenna according to claim 4, it is characterised in that:
The diameter of the metal column (241) is equal with the width of coupling line (242).
7. conelike beam scanning antenna according to claim 4, it is characterised in that:
The inner conductor (31) selects metal material, diameter 1.2mm, and outer conductor (32) selects Teflon material, and diameter is
4mm。
8. conelike beam scanning antenna according to claim 4, it is characterised in that:
The outside diameter D=178mm of the antenna floor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030224.XA CN109687169B (en) | 2019-01-14 | 2019-01-14 | Fixed frequency cone beam scanning antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030224.XA CN109687169B (en) | 2019-01-14 | 2019-01-14 | Fixed frequency cone beam scanning antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109687169A true CN109687169A (en) | 2019-04-26 |
| CN109687169B CN109687169B (en) | 2020-07-31 |
Family
ID=66192135
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910030224.XA Active CN109687169B (en) | 2019-01-14 | 2019-01-14 | Fixed frequency cone beam scanning antenna |
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| CN (1) | CN109687169B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW360994B (en) * | 1996-01-05 | 1999-06-11 | Ems Technologies Inc | Electronically scanned ferrite line source |
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2019
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| TW360994B (en) * | 1996-01-05 | 1999-06-11 | Ems Technologies Inc | Electronically scanned ferrite line source |
| CN102437429A (en) * | 2011-07-29 | 2012-05-02 | 北京航空航天大学 | Patch antenna for directional diagram and frequency scanning |
| CN106099350A (en) * | 2016-07-25 | 2016-11-09 | 上海交通大学 | Low section circular polarisation conical beam antenna |
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| KUO-CHENG CHEN等: "A Periodic Microstrip Radial Antenna Array With a Conical Beam", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
| QIAN LIU等: "Fixed-frequency conical beam scanning antenna array with small ripple for Satcom-on-the-Move system", 《MICROW OPT TECHNOL LETT》 * |
| TOSHIRO KODERA等: "Uniform Ferrite-Loaded Open Waveguide Structure With CRLH Response and Its Application to a Novel Backfire-to-Endfire Leaky-Wave Antenna", 《IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES》 * |
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| CN109687169B (en) | 2020-07-31 |
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