CN116598761A - Cone Beam Antenna Based on Fabry-Perot Resonator - Google Patents
Cone Beam Antenna Based on Fabry-Perot Resonator Download PDFInfo
- Publication number
- CN116598761A CN116598761A CN202310470168.8A CN202310470168A CN116598761A CN 116598761 A CN116598761 A CN 116598761A CN 202310470168 A CN202310470168 A CN 202310470168A CN 116598761 A CN116598761 A CN 116598761A
- Authority
- CN
- China
- Prior art keywords
- metal
- dielectric substrate
- printed circuit
- metal layer
- fabry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims abstract description 101
- 239000000758 substrate Substances 0.000 claims abstract description 73
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 244000309464 bull Species 0.000 description 5
- 238000010295 mobile communication Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- 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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/02—Waveguide horns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
-
- 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
Landscapes
- Waveguide Aerials (AREA)
Abstract
Description
技术领域technical field
本发明涉及天线技术领域，特别是一种基于法布里-珀罗(Fabry-Perot,FP)的高增益锥状波束天线。The invention relates to the technical field of antennas, in particular to a Fabry-Perot (Fabry-Perot, FP)-based high-gain cone beam antenna.
技术背景technical background
锥状波束天线是一种方向图与普通方向图有所不同的特殊天线。方向图的最大增益方向并不在天线的法线上，而是与天线的法线有一定的角度，并围绕着法线轴向对称，呈现出一个圆环状，这样方向图便是具有轴向对称的特性。无线电通信、电子对抗、雷达、电视、遥感、导航、广播、射电天文等工程系统中，都需要天线发射或接收电磁波。对于不同的应用场景，需要相应的天线才能更好的发挥设备性能。锥状波束天线作为一类重要的天线，其方向图的最大辐射方向与天顶方向呈一定夹角，在方位面可以实现360°覆盖，因而在车载通信，无人机遥控，弹载引信和大空域探测等系统中有着重要的应用价值。在移动通信中要求采用不同频率对应不同倾角的锥状波束。A cone beam antenna is a special antenna with a different pattern than the normal pattern. The maximum gain direction of the pattern is not on the normal line of the antenna, but has a certain angle with the normal line of the antenna, and is axially symmetrical around the normal line, showing a ring shape, so that the pattern has an axial direction Symmetrical properties. In engineering systems such as radio communication, electronic countermeasures, radar, television, remote sensing, navigation, broadcasting, and radio astronomy, antennas are required to transmit or receive electromagnetic waves. For different application scenarios, corresponding antennas are required to better utilize the performance of the device. As an important type of antenna, the cone beam antenna has a certain angle between the maximum radiation direction of its pattern and the zenith direction, and can achieve 360° coverage in the azimuth plane. It has important application value in systems such as large airspace detection. Conical beams with different frequencies corresponding to different inclination angles are required in mobile communications.
现如今的锥状波束天线为了实现高增益的锥状波束，选择刻在三维物体上的螺旋天线和缝隙阵天线，但缺点是较为笨重，普通螺旋线天线不易安装，贴片天线的增益不高，而阵列天线组阵复杂。In order to achieve a high-gain cone beam, today's conical beam antennas choose helical antennas and slot array antennas engraved on three-dimensional objects, but the disadvantage is that they are cumbersome, ordinary helical antennas are not easy to install, and the gain of patch antennas is not high. , while the array antenna array is complex.
发明内容Contents of the invention
本发明的目的在于提供一种基于Fabry-Perot谐振腔的锥状波束天线。The object of the present invention is to provide a cone beam antenna based on a Fabry-Perot resonant cavity.
实现本发明目的的技术方案为：一种基于Fabry-Perot谐振腔的锥状波束天线，包括第一介质基板、第二介质基板、第一金属层、第二金属层以及单端口馈源，所述第一介质基板与第二介质基板平行设置，所述第一介质基板面向第二介质基板的一面印刷有第一金属印刷电路，所述第二介质基板面向第一介质基板的一面印刷有第二金属印刷电路，所述第一金属层设置在第一介质基板未印刷第一金属印刷电路部分与与第二介质基板未印刷第二金属印刷电路之间，所述第一金属印刷电路、第二金属印刷电路以及第一金属层之间形成FP腔，所述第二金属层设置在第二介质基板远离第二金属印刷电路的一面，且第二金属层与第二介质基板之间剖去部分金属形成金属E形腔体，所述单端口馈源设置在第二介质基板底部中心，且穿过金属E形腔体以及第二金属层。The technical solution for realizing the object of the present invention is: a kind of cone-beam antenna based on Fabry-Perot resonator, comprising a first dielectric substrate, a second dielectric substrate, a first metal layer, a second metal layer and a single-port feed, so The first dielectric substrate and the second dielectric substrate are arranged in parallel, the first metal printed circuit is printed on the side of the first dielectric substrate facing the second dielectric substrate, and the first metal printed circuit is printed on the side of the second dielectric substrate facing the first dielectric substrate. Two metal printed circuits, the first metal layer is arranged between the part of the first dielectric substrate that does not print the first metal printed circuit and the second dielectric substrate that does not print the second metal printed circuit, the first metal printed circuit, the second metal printed circuit An FP cavity is formed between the two metal printed circuits and the first metal layer, the second metal layer is arranged on the side of the second dielectric substrate away from the second metal printed circuit, and the second metal layer is cut away from the second dielectric substrate Part of the metal forms a metal E-shaped cavity, and the single-port feed is arranged at the bottom center of the second dielectric substrate and passes through the metal E-shaped cavity and the second metal layer.
优选地，所述单端口馈源包括喇叭径向波导与SMA接头，所述喇叭径向波导设置在金属E形腔体中心，SMA接头设置在第二金属层，且与喇叭径向波导连接。Preferably, the single-port feed includes a horn radial waveguide and an SMA connector, the horn radial waveguide is arranged in the center of the metal E-shaped cavity, and the SMA connector is arranged in the second metal layer and connected to the horn radial waveguide.
优选地，所述第一金属印刷电路包括8圈金属圆环牛眼图案，图形的排布规则为：中心处一个圆，沿着半径方向以P长度为周期增加n圈圆环，每个圆环的宽度为W，由中心向外第n个圆环的外圆半径满足公式：R＝W+n*P，n为整数。Preferably, the first metal printed circuit includes 8 circles of metal ring bull's-eye patterns, and the arrangement rule of the graphics is: a circle at the center, and n circles are added along the radial direction with a period of P length, and each circle The width of the ring is W, and the outer radius of the nth ring from the center satisfies the formula: R=W+n*P, where n is an integer.
优选地，所述第二介质基板包括一个圆盘、一个圆环，圆环环绕圆盘设置，圆盘与圆环由30个等间隔设置的枝节连接。Preferably, the second dielectric substrate includes a disk and a ring, the ring is arranged around the disk, and the disk and the ring are connected by 30 equally spaced branches.
优选地，所述第二金属印刷电路印刷在第二介质基板的圆盘上，覆盖整个圆形。Preferably, the second metal printed circuit is printed on the disc of the second dielectric substrate, covering the entire circle.
优选地，30个枝节中每120度设置一个宽度为其余枝节宽度3倍的枝节。Preferably, every 120 degrees of the 30 branches is provided with a branch whose width is 3 times the width of the remaining branches.
优选地，所述FP腔的腔体边缘向第二介质基板方向倾斜。Preferably, the cavity edge of the FP cavity is inclined towards the second dielectric substrate.
优选地，所述金属E形腔体的腔体边缘向第二介质基板方向倾斜。Preferably, the cavity edge of the metal E-shaped cavity is inclined toward the second dielectric substrate.
本发明与现有技术相比，其显著优点为：Compared with the prior art, the present invention has the remarkable advantages of:
本发明利用Fabry-Perot腔天线构建了低剖面，结构简单的高增益锥状波束天线。采用结构相对简单，并且生产加工成本更低；The invention utilizes the Fabry-Perot cavity antenna to construct a low-profile, simple-structured high-gain conical beam antenna. The structure is relatively simple, and the production and processing costs are lower;
本发明采用了径向线缝隙天线中金属E形腔体的结构设计，由的第二介质基板间隔组成一个径向线波导的双层结构，金属E形腔体中心通过喇叭径向波导和SMA接头馈电，产生径向向外的TEM模式，通过金属E形腔体在FP腔中转换成一个径向向内的行波模式，部分能量从第一介质基板中辐射出来，从而实现了从四周边缘向中心馈电的过程。The present invention adopts the structural design of the metal E-shaped cavity in the radial line slot antenna, and a double-layer structure of a radial line waveguide is formed by the interval of the second dielectric substrate. The center of the metal E-shaped cavity passes through the radial waveguide of the horn and the SMA The joint feeds to generate a radially outward TEM mode, which is converted into a radially inward traveling wave mode in the FP cavity through the metal E-shaped cavity, and part of the energy is radiated from the first dielectric substrate, thereby realizing the from The process of feeding power from the surrounding edges to the center.
本发明选择印刷在介质板上的环形牛眼结构频率选择表面，能够有效的提高锥状波束的方向性和增益，通过改变环的周期和环宽，进而能够改善方向图的角度指向，与普通的漏波天线相比，牛眼结构可以实现较大的波束角度扫描。The present invention selects the frequency selective surface of the annular bull’s-eye structure printed on the dielectric plate, which can effectively improve the directivity and gain of the cone beam. By changing the period and width of the ring, it can further improve the angular direction of the pattern, which is different from ordinary Compared with the leaky wave antenna, the bull's-eye structure can realize larger beam angle scanning.
下面结合附图和具体实施方式对本发明作进一步的详细描述。The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
附图说明Description of drawings
图1是本发明基于Fabry-Perot谐振腔的锥状波束天线主视图。Fig. 1 is a front view of the cone-beam antenna based on the Fabry-Perot resonant cavity of the present invention.
图2是本发明基于Fabry-Perot谐振腔的锥状波束天线俯视图。Fig. 2 is a top view of the cone-beam antenna based on the Fabry-Perot resonant cavity of the present invention.
图3是本发明图1中第一介质基板尺寸示意图。FIG. 3 is a schematic diagram of the dimensions of the first dielectric substrate in FIG. 1 of the present invention.
图4是本发明图1中第二介质基板尺寸示意图。FIG. 4 is a schematic diagram of the size of the second dielectric substrate in FIG. 1 of the present invention.
图5是本发明图1中FP腔和金属E形腔体尺寸示意图。Fig. 5 is a schematic diagram of the size of the FP cavity and the metal E-shaped cavity in Fig. 1 of the present invention.
图6是本发明图1中喇叭径向波导和SMA接头剖面图。Fig. 6 is a sectional view of the horn radial waveguide and the SMA joint in Fig. 1 of the present invention.
图7是本发明实施例在12.5GHz时E面、H面方向图。Fig. 7 is an E-plane and H-plane pattern at 12.5 GHz according to an embodiment of the present invention.
图8是本发明实施例锥状波束天线回波损耗与频率的关系图。Fig. 8 is a graph showing the relationship between return loss and frequency of the cone beam antenna according to the embodiment of the present invention.
具体实施方式Detailed ways
如图1所示，一种基于Fabry-Perot谐振腔的锥状波束天线，包括第一介质基板6、第二介质基板8、第一金属层、第二金属层以及单端口馈源2，所述第一介质基板6与第二介质基板8平行设置，所述第一介质基板6面向第二介质基板8的一面印刷有第一金属印刷电路7，所述第二介质基板8面向第一介质基板6的一面印刷有第二金属印刷电路9，所述第一金属层设置在第一介质基板6未印刷第一金属印刷电路部分与与第二介质基板8未印刷第二金属印刷电路9之间，所述第一金属印刷电路7、第二金属印刷电路9以及第一金属层之间形成FP腔1，所述第二金属层设置在第二介质基板8远离第二金属印刷电路9的一面，且第二金属层与第二介质基板8之间剖去部分金属形成金属E形腔体3，所述单端口馈源2设置在第二介质基板8底部中心，且穿过金属E形腔体3以及第二金属层。所述单端口馈源2从中心向四周馈电。发射的电磁波通过金属E形腔体3、FP腔1两次反射，构成波束形成网络，最终形成锥状波束。As shown in Fig. 1, a kind of cone-beam antenna based on Fabry-Perot resonant cavity comprises a first dielectric substrate 6, a second dielectric substrate 8, a first metal layer, a second metal layer and a single-port feed 2, so The first dielectric substrate 6 and the second dielectric substrate 8 are arranged in parallel, the first metal printed circuit 7 is printed on the side of the first dielectric substrate 6 facing the second dielectric substrate 8, and the second dielectric substrate 8 faces the first dielectric substrate 8. A second metal printed circuit 9 is printed on one side of the substrate 6, and the first metal layer is arranged between the part of the first dielectric substrate 6 where the first metal printed circuit is not printed and the second dielectric substrate 8 where the second metal printed circuit 9 is not printed. Between, the FP cavity 1 is formed between the first metal printed circuit 7, the second metal printed circuit 9 and the first metal layer, and the second metal layer is arranged on the second dielectric substrate 8 away from the second metal printed circuit 9 One side, and part of the metal is cut away between the second metal layer and the second dielectric substrate 8 to form a metal E-shaped cavity 3. The single-port feed 2 is set at the bottom center of the second dielectric substrate 8 and passes through the metal E-shaped cavity. Cavity 3 and the second metal layer. The single-port feed 2 feeds power from the center to the surroundings. The emitted electromagnetic waves are reflected twice by the metal E-shaped cavity 3 and the FP cavity 1 to form a beam-forming network, and finally form a cone-shaped beam.
具体地，所述第一介质基板6为Rogers RO4350,其介电常数为3.66。Specifically, the first dielectric substrate 6 is Rogers RO4350 with a dielectric constant of 3.66.
具体地，所述第二介质基板8为Rogers RO4003,其介电常数为3.55。Specifically, the second dielectric substrate 8 is Rogers RO4003 with a dielectric constant of 3.55.
进一步的实施例中，所述单端口馈源2包括喇叭径向波导4与SMA接头5，所述喇叭径向波导4设置在金属E形腔体3中心，SMA接头5设置在第二金属层，且与喇叭径向波导4连接。单端口馈源2通过喇叭径向波导4向外辐射水平方向的电磁波，经金属E形腔体3的两次反射的作用，到达FP腔1。In a further embodiment, the single-port feed 2 includes a horn radial waveguide 4 and an SMA connector 5, the horn radial waveguide 4 is arranged in the center of the metal E-shaped cavity 3, and the SMA connector 5 is arranged in the second metal layer , and connected with the radial waveguide 4 of the horn. The single-port feed 2 radiates horizontal electromagnetic waves outward through the radial waveguide 4 of the horn, and reaches the FP cavity 1 through the double reflection of the metal E-shaped cavity 3 .
进一步的实施例中，所述第一金属印刷电路7包括8圈金属圆环牛眼图案，图形的排布规则为：中心处一个圆，沿着半径方向以P长度为周期增加n圈圆环，每个圆环的宽度为W，由中心向外第n个圆环的外圆半径满足公式：R＝W+n*P，n为整数。通过改变圆环的周期和环宽，进而能够改善方向图的角度指向。In a further embodiment, the first metal printed circuit 7 includes 8 circles of metal circular bull's-eye patterns, and the arrangement rule of the graphics is: a circle at the center, and n circles are added along the radial direction with a period of P length , the width of each ring is W, and the outer radius of the nth ring from the center satisfies the formula: R=W+n*P, n is an integer. By changing the period and width of the ring, the angular orientation of the pattern can be improved.
进一步的实施例中，所述第二介质基板8包括一个圆盘16、一个圆环12，圆环12环绕圆盘16设置，圆盘16与圆环12由30个等间隔设置的枝节13连接。30个等间隔设置的枝节13越细，通过的辐射越多，方向性和传输性能越好。In a further embodiment, the second dielectric substrate 8 includes a disk 16 and a ring 12, the ring 12 is arranged around the disk 16, and the disk 16 and the ring 12 are connected by 30 equally spaced branches 13 . The thinner the 30 branches 13 arranged at equal intervals, the more radiation passes through, and the better the directivity and transmission performance.
进一步的实施例中，所述第二金属印刷电路9印刷在第二介质基板8的圆盘21上，覆盖整个圆形。In a further embodiment, the second metal printed circuit 9 is printed on the disk 21 of the second dielectric substrate 8, covering the entire circle.
进一步的实施例中，30个枝节13中每120度设置一个宽度为其余枝节15宽度3倍的枝节14。从本发明的稳定性出发，设置不同宽度的枝节，防止应用中支撑力不足的可能性。In a further embodiment, a branch 14 whose width is three times the width of the remaining branches 15 is provided every 120 degrees among the 30 branches 13 . Starting from the stability of the present invention, branches of different widths are set to prevent the possibility of insufficient support force in application.
进一步的实施例中，所述FP腔1的腔体边缘向第二介质基板方向倾斜，形成向FP腔1中心辐射的波束。In a further embodiment, the cavity edge of the FP cavity 1 is inclined toward the second dielectric substrate to form a beam radiating toward the center of the FP cavity 1 .
进一步的实施例中，所述金属E形腔体3的腔体边缘向第二介质基板方向倾斜，形成向FP腔1边缘辐射的波束。In a further embodiment, the cavity edge of the metal E-shaped cavity 3 is inclined toward the second dielectric substrate, forming a beam radiating toward the edge of the FP cavity 1 .
本发明提供了一种印刷在介质板上的环形牛眼结构频率选择表面，利用FP腔的结构，能够有效的提高锥状波束的方向性和增益，通过改变环的周期和环宽，进而能够改善方向图的角度指向。本发明采用径向线缝隙天线中金属E形腔体的结构设计，实现了一种从四周边缘向中心馈电的新型馈电方式。本发明在移动通信中具有较高应用价值。The invention provides a frequency selective surface with ring-shaped bull's-eye structure printed on a dielectric plate. Using the structure of the FP cavity, the directivity and gain of the cone beam can be effectively improved. By changing the period and width of the ring, it can further Improved angular orientation of the pattern. The invention adopts the structural design of the metal E-shaped cavity in the radial line slot antenna, and realizes a new feeding mode that feeds power from the surrounding edges to the center. The invention has high application value in mobile communication.
实施例Example
参见图3为第一介质基板6尺寸示意图，其中第一介质基板6半径为RF＝106mm，第一金属印刷电路7半径为Rs＝100mm，沿着半径方向以P＝13.35mm长度为周期增加n圈圆环，每个圆环的宽度为W＝11.65mm。参见图1所示，t＝0.1mm为第一介质基板6的厚度。Referring to FIG. 3 , it is a schematic diagram of the size of the first dielectric substrate 6, wherein the radius of the first dielectric substrate 6 is R F =106 mm, the radius of the first metal printed circuit 7 is R s =100 mm, and the period along the radial direction is P=13.35 mm. Add n rings, the width of each ring is W=11.65mm. Referring to FIG. 1 , t=0.1 mm is the thickness of the first dielectric substrate 6 .
参见图4为第二介质基板8尺寸示意图，其中第二介质基板8半径为Rp＝120mm第二金属印刷电路9半径为Rs＝100mm；连接圆盘16和圆环12的30个枝节13长度为Ws＝5.8mm，其中每120度设置一个宽度为其余枝节15宽度3倍的枝节14宽度为Ls＝1.1mm，其余枝节15宽度为Lp＝0.36mm，参见图5，第二介质基板8厚度为H＝0.5mm。4 is a schematic diagram of the size of the second dielectric substrate 8, wherein the radius of the second dielectric substrate 8 is R p = 120 mm and the radius of the second metal printed circuit 9 is R s = 100 mm; 30 branches 13 connecting the disc 16 and the ring 12 The length is W s =5.8mm, wherein a branch 14 whose width is 3 times the width of the remaining branches 15 is set every 120 degrees. The width is L s =1.1mm, and the width of the remaining branches 15 is L p =0.36mm. The thickness of the dielectric substrate 8 is H=0.5mm.
参见图5为FP腔1和金属E形腔体3尺寸示意图，FP腔1与第一介质基板6连接面直径相同为Ds＝2*Rs＝200mm，FP腔1高度为h1＝14.5mm；第二金属层高度为h2＝10mm，金属E形腔体3高度为hh＝6mm,FP腔1和金属E形腔体3距离边缘的长度与第二介质板基板8的30个枝节13长度相同为Ws＝5.8mm。5 is a schematic diagram of the size of the FP chamber 1 and the metal E-shaped chamber body 3. The diameter of the connection surface between the FP chamber 1 and the first dielectric substrate 6 is the same as D s =2*R s =200mm, and the height of the FP chamber 1 is h1=14.5mm ; The height of the second metal layer is h2=10mm, the height of the metal E-shaped cavity 3 is hh=6mm, the distance between the FP cavity 1 and the metal E-shaped cavity 3 is the same as the length of the 30 branches 13 of the second dielectric board substrate 8 The same is W s =5.8 mm.
参见图6为喇叭径向波导6和SMA接头5剖面图，喇叭剖面图为梯形，梯形上底17长度为Da＝5.4mm，下底18长度为Dr＝0.8mm，高度为hh＝6mm；SMA接头5内探针直径为Dr＝0.8mm，Teflon层(19)直径为Dt＝4mm。6 is a sectional view of the horn radial waveguide 6 and the SMA connector 5, the sectional view of the horn is trapezoidal, the length of the upper bottom 17 of the trapezoid is D a =5.4mm, the length of the lower bottom 18 is D r =0.8mm, and the height is hh=6mm ; The diameter of the probe inside the SMA joint 5 is D r =0.8 mm, and the diameter of the Teflon layer (19) is D t =4 mm.
参见图7为利用HFSS仿真软件，在12.5GHz时E面、H面方向图，由图可见，该天线在此频率下最高增益可达到14.3dB，形成方向角度指向30度的锥状波束，两者方向图一致。Refer to Figure 7, which shows the E-plane and H-plane pattern at 12.5GHz using HFSS simulation software. It can be seen from the figure that the maximum gain of the antenna at this frequency can reach 14.3dB, forming a cone-shaped beam with a direction angle of 30 degrees. Orientation pattern is consistent.
参见图8为利用HFSS仿真软件，基于Fabry-Perot谐振腔锥状波束天线回波损耗与频率的关系图，反射系数在中心频率12.5GHz处是-19.7dB，带宽12.42GHz-12.69GHz之间，约达到2.2％。See Figure 8, which shows the relationship between return loss and frequency based on the Fabry-Perot resonant cavity cone-beam antenna using HFSS simulation software. The reflection coefficient is -19.7dB at the center frequency of 12.5GHz, and the bandwidth is between 12.42GHz-12.69GHz. About to reach 2.2%.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310470168.8A CN116598761A (en) | 2023-04-27 | 2023-04-27 | Cone Beam Antenna Based on Fabry-Perot Resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310470168.8A CN116598761A (en) | 2023-04-27 | 2023-04-27 | Cone Beam Antenna Based on Fabry-Perot Resonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116598761A true CN116598761A (en) | 2023-08-15 |
Family
ID=87594715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310470168.8A Pending CN116598761A (en) | 2023-04-27 | 2023-04-27 | Cone Beam Antenna Based on Fabry-Perot Resonator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116598761A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117748131A (en) * | 2023-12-06 | 2024-03-22 | 成都辰星迅联科技有限公司 | Broadband high-efficiency high-low elevation gain circular polarization cone-mode four-arm spiral antenna |
-
2023
- 2023-04-27 CN CN202310470168.8A patent/CN116598761A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117748131A (en) * | 2023-12-06 | 2024-03-22 | 成都辰星迅联科技有限公司 | Broadband high-efficiency high-low elevation gain circular polarization cone-mode four-arm spiral antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108110435B (en) | Millimeter wave high-gain circularly polarized horn antenna loaded by single-medium planar lens | |
| US9991607B1 (en) | Circular array of ridged waveguide horns | |
| CN107275766B (en) | Broadband surface wave antenna based on non-uniform periodic structure loading | |
| CN103187616A (en) | circular polarized antenna | |
| US11228113B2 (en) | Wide-beam planar backfire and bidirectional circularly-polarized antenna | |
| CN109950707A (en) | A Conical Conformal Endfire Array Antenna | |
| CN111029766B (en) | Horizontally polarized omnidirectional antenna based on artificial localized surface plasmon | |
| CN111009728A (en) | Luneberg lens, low-profile array antenna based on Luneberg lens array and satellite antenna | |
| CN114069256A (en) | Double-frequency double-circular polarization folding reflective array antenna | |
| CN111541019A (en) | Low-profile vertical polarization high-gain omnidirectional antenna | |
| CN106099350A (en) | Low section circular polarisation conical beam antenna | |
| CN104134854A (en) | Broadband circularly-polarized omnidirectional antenna based on rectangular rings | |
| CN111987464B (en) | Ku/Ka Band Dual Frequency Cone Beam Horn Antenna | |
| CN210443662U (en) | Novel K-band high-gain metamaterial microstrip antenna | |
| WO2020000364A1 (en) | Antenna and wireless device | |
| CN116598761A (en) | Cone Beam Antenna Based on Fabry-Perot Resonator | |
| CN113506977B (en) | Ultra-wideband high-gain conformal Vivaldi end-fire antenna | |
| CN114824782A (en) | Microstrip antenna and microstrip antenna array | |
| CN110739547B (en) | A Cassegrain antenna | |
| CN108879111A (en) | The dual reflector antenna of special shape guided wave dielectric rod feed | |
| CN109309281B (en) | A microstrip vertical loop antenna | |
| CN107565211A (en) | A kind of broad beam navigation antenna using the broadband FSS structures and double sigmoid probe feed that radiate staggered split ring resonator | |
| CN106816717A (en) | The circular polarized antenna of conical beam | |
| CN108565548B (en) | Millimeter wave antenna | |
| CN114678691B (en) | Low profile broadband conformal antenna element and array |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |