CN109193180B - High-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing - Google Patents
High-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing Download PDFInfo
- Publication number
- CN109193180B CN109193180B CN201811002877.9A CN201811002877A CN109193180B CN 109193180 B CN109193180 B CN 109193180B CN 201811002877 A CN201811002877 A CN 201811002877A CN 109193180 B CN109193180 B CN 109193180B
- Authority
- CN
- China
- Prior art keywords
- leaky
- antenna
- wave
- integrated waveguide
- substrate integrated
- 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.)
- Active
Links
Images
Classifications
-
- 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
- H01Q21/061—Two dimensional planar arrays
- H01Q21/064—Two dimensional planar arrays using horn or slot aerials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention provides a near-field two-dimensional focusing high-efficiency substrate integrated waveguide leaky-wave slot array antenna which is an antenna array formed by parallel arrangement of a plurality of leaky-wave antennas; the widths of the left side and the right side of each leaky-wave antenna are different, each leaky-wave antenna is provided with a slot parallel to the transverse center line of the antenna array, and the space between the adjacent slots of each antenna is different; the arrangement direction of the adjacent single leaky-wave antenna is reverse, and the head end and the tail end of the adjacent single leaky-wave antenna are connected in sequence; the array topological structure of the adjacent single leaky-wave antenna for reverse feeding provided by the invention realizes natural symmetry of the near-field two-dimensional focusing antenna, simultaneously enables the width of the single leaky-wave antenna to have complementary characteristics, adjusts the widths of the left side and the right side to obtain relatively uniform gap distribution, realizes high-efficiency two-dimensional focusing under a simple series-feed structure through the head connection of the adjacent leaky-wave antennas for reverse feeding, and overcomes the problems of complicated feeding, large polarization loss, low radiation efficiency and the like in the technical scheme of the existing near-field two-dimensional focusing antenna.
Description
Technical Field
The invention belongs to the field of near-field focusing antennas, and particularly relates to a high-efficiency substrate integrated waveguide leaky-wave slot array antenna with millimeter waves for near-field two-dimensional focusing.
Background
With the wide application of the near-field focusing antenna in the fields of microwave and millimeter wave imaging, wireless energy transmission, entrance guard, radio frequency identification and the like, higher and higher requirements are put forward on the antenna efficiency and the two-dimensional focusing capability. Different from a far-field antenna array, the near-field focusing antenna array has higher requirements on the phase and amplitude regulation and control capability of a transmission structure, needs to generate square-law-changed aperture phase distribution and balanced radiation energy distribution, and puts higher requirements on antenna design.
The leaky-wave antenna is a commonly used antenna, and the structure of the series feed has amplitude and phase regulation and control capability. The antenna works in a traveling wave state, and the required directional diagram shaping is realized by adjusting the position of the antenna unit to synthesize the required phase distribution. The scheme for realizing the two-dimensional focusing of the leaky-wave antenna in the prior art can be divided into two categories, wherein the first category is that one dimension is focused through the leaky-wave antenna, and the other dimension is focused through a complex feed network; the second type is to realize two-dimensional focusing through a radial leaky wave structure of central feeding, but the radial topological structure of circular distribution causes the polarization regulation difficulty and has higher polarization loss. Meanwhile, the radiation efficiency of the two structures is difficult to improve due to the requirement of near-field amplitude-phase distribution. Therefore, the near-field two-dimensional focusing antenna array with a simple feed structure and high radiation efficiency has high research significance.
Disclosure of Invention
The invention aims to solve the problems of complex feed, large polarization loss, low radiation efficiency and the like in the technical scheme of the existing near-field two-dimensional focusing antenna. The substrate integrated waveguide leaky-wave slot array antenna with the reverse feeding of the adjacent single leaky-wave antenna is provided, and natural symmetry of the two-dimensional near-field focusing antenna array is realized through the structure of the reverse feeding of the adjacent leaky-wave antenna. Meanwhile, the widths of the adjacent substrate integrated waveguides have complementary characteristics under the structure, and on the basis, relatively uniform gap unit distribution can be obtained by adjusting the widths of the left side and the right side of the complementary substrate integrated waveguides to avoid the generation of near-field stray radiation. And finally, the adjacent leaky-wave antennas fed in the opposite directions are connected through the power divider and the corner, and the single residual energy which is not radiated is fed into the adjacent leaky-wave antennas in the opposite directions, so that the high-efficiency two-dimensional focusing under the simple series-fed structure is realized.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a high-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing comprises an antenna array formed by a plurality of single substrate integrated waveguide leaky-wave slot array antennas in parallel arrangement, a first leaky-wave antenna 11 for feeding external energy is located in the transverse center of the antenna array, the width of a substrate integrated waveguide of the first leaky-wave antenna 11 located on the left side of the longitudinal center line 22 of the single leaky-wave antenna is w1The width of the substrate integrated waveguide of the first leaky-wave antenna 11 on the right side of the longitudinal center line 22 of the single leaky-wave antenna is w2，w1>w2The first leaky-wave antenna 11 rotates 180 degrees and translates upward (w)1+w2) And/2 obtaining a second leaky-wave antenna 12, wherein the second leaky-wave antenna 12 rotates 180 degrees and moves upwards (w)1+w2) /2 obtaining a 180 degree upward translation (w) of the third leaky-wave antenna 13 … (n-1 st leaky-wave antenna)1+w2) The method comprises the following steps that 2, an nth leaky-wave antenna 1n is obtained, the energy feed-in end of each leaky-wave antenna is a head end, the other end of each leaky-wave antenna is a tail end, the tail ends of first leaky-wave antennas 11 are respectively connected with the head ends of second leaky-wave antennas 12 on the upper side and the lower side of a transverse central line 6 of an antenna array through substrate integrated waveguide power dividers 3, from the second leaky-wave antennas 12, the head ends and the tail ends of adjacent leaky-wave antennas are sequentially connected through substrate integrated waveguide corners 4, the substrate integrated waveguide corners enable the propagation directions of substrate integrated waveguides in two adjacent leaky-wave antennas to be reversed, each substrate integrated waveguide leaky-wave slot array antenna is provided with a plurality of slots 5 parallel to the transverse central line 6 of the antenna array, and the slots 5 are arrangedThe wave antenna transverse central line 21 is arranged up and down; the distance between adjacent slots of each leaky-wave slot array antenna is different; the structures below and above the transverse centre line 6 of the antenna array are mirror images.
Preferably, in the high-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing, each substrate integrated waveguide power divider 3 includes two right angles surrounded by power divider metalized through holes 31, and two power divider tuning pins 32 are arranged inside the right angles; each substrate integrated waveguide corner 4 comprises two right angles enclosed by corner metalized vias 41, inside which two corner tuning pins 42 are located. The right angle makes input and output port propagation direction reverse, and the length of merit branch ware and corner is used for adjusting the phase place that feeds into single leaky-wave slot array antenna, satisfies the required phase place of focus in another dimension.
Preferably, in the above high-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing, the distances between adjacent radiation slots of a single substrate integrated waveguide leaky-wave slot array antenna are different to generate a phase distribution required for near-field focusing, and the width w of the complementary substrate integrated waveguide is adjusted1And w2And further adjust the corresponding propagation constant beta1And beta2Relatively uniform gap element distribution can be obtained to avoid the generation of near-field stray radiation, and the positions of the near-field stray radiation satisfy the following conditions:
wherein liIs the position of the ith slot, l0To start the feed port position, /)w1Is a width of w1The length of the substrate-integrated waveguide of (a),
phase profile required for near field focusing, z0Is the focal height position, beta1And beta2The substrate integrated waveguide has a width w1And w2The corresponding phase propagation constant, (x,y) coordinates of any point on the near-field antenna array surface, N*A positive integer that is non-zero.
Preferably, in the above high-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing, there are 5 substrate integrated waveguide leaky-wave slot array antennas on the whole antenna aperture surface, and each substrate integrated waveguide leaky-wave slot array antenna is provided with 13 slots.
Preferably, in the high-efficiency substrate-integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing, the end of the nth leaky-wave antenna 1n is sealed by a metallized through hole, so as to prevent energy leakage.
The invention has the beneficial effects that:
(1) the invention provides a substrate integrated waveguide leaky-wave slot array antenna with a single adjacent leaky-wave antenna fed in the opposite direction, which realizes natural symmetry of a two-dimensional near-field focusing antenna array.
(2) The substrate integrated waveguide width has complementary characteristics through the topological structure of the reverse feed of the adjacent single leaky-wave antenna. On the basis, by adjusting the widths of the left side and the right side of the complementary substrate integrated waveguide, relatively uniform gap unit distribution can be obtained to avoid the generation of near-field stray radiation.
(3) According to the invention, a plurality of leaky-wave antennas fed in the opposite directions are connected through the power divider and the corner, and single unirradiated residual energy is fed in the adjacent leaky-wave antennas in the opposite directions, so that high-efficiency two-dimensional focusing under a simple series-fed structure is realized.
(4) The invention overcomes the problems of complex feed, large polarization loss, low radiation efficiency and the like in the prior near-field two-dimensional focusing antenna technical scheme.
Drawings
Fig. 1 is a schematic structural diagram of a high-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing.
Fig. 2 is a structural side view of a high-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing.
Fig. 3 is a schematic structural diagram of a single substrate integrated waveguide leaky-wave slot array antenna.
Fig. 4 is a structural schematic diagram of the n adjacent substrate integrated waveguide leaky-wave slot array antennas for feeding in the reverse direction.
Fig. 5 is a schematic structural diagram of a substrate integrated waveguide power divider in an antenna array.
FIG. 6 is a schematic diagram of a substrate integrated waveguide corner structure in an antenna array.
Fig. 7 is a schematic diagram of an implementation of a high-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing.
Fig. 8 is a schematic diagram of energy distribution of a high-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing.
Fig. 9 is a schematic diagram of the near-field two-dimensional focusing principle.
Fig. 10 is a diagram for calculating the slot position of the single near-field focusing substrate integrated waveguide leaky-wave slot array antenna.
Figure 11 is a diagram of the dimensions of a power divider and corner structure used in an embodiment.
Fig. 12 is a diagram of simulation results of the radiation electric field density distribution of the near-field two-dimensional focusing antenna of the embodiment in the horizontal plane and the vertical plane.
Fig. 13 shows simulation and test results of S-parameters of the near-field two-dimensional focusing high-efficiency antenna array according to the embodiment.
FIG. 14 is a test and simulation result of a normalized near field pattern for the H-plane.
FIG. 15 is a test and simulation result of a normalized near field pattern for plane E.
Fig. 16 is simulation and test results of the magnitude of the field intensity at different positions from the aperture surface of the antenna in the Z-axis direction.
The antenna comprises a single leaky-wave antenna, a substrate integrated waveguide power divider, a substrate integrated waveguide corner, a slot, an antenna array, a transverse center line, a first leaky-wave antenna, a second leaky-wave antenna, a third leaky-wave antenna … 1n, a power divider metalized through hole 31, a power divider tuning pin 32, a corner metalized through hole 41 and a corner tuning pin 42, wherein the transverse center line 21 is a transverse center line of the single leaky-wave antenna, the longitudinal center line 22 is a longitudinal center line of the single leaky-wave antenna, the substrate integrated waveguide power divider is 3, the substrate integrated waveguide corner is 5, the slot is 6, the transverse center line of the antenna array is 11, the first.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples:
the embodiment firstly provides a high-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing.
Fig. 1 and fig. 2 show the structure schematic diagram of the high-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing. Fig. 3 shows a schematic structural diagram of a single substrate integrated waveguide leaky-wave slot array (with different widths on the left and right sides) antenna in the antenna array.
The antenna comprises an antenna array formed by a plurality of single substrate integrated waveguide leaky-wave slot array antennas in parallel arrangement, a first leaky-wave antenna 11 for feeding external energy is positioned at the transverse center of the antenna array, the width of a substrate integrated waveguide of the first leaky-wave antenna 11 positioned on the left side of the longitudinal center line 22 of the single leaky-wave antenna is w1The width of the substrate integrated waveguide of the first leaky-wave antenna 11 on the right side of the longitudinal center line 22 of the single leaky-wave antenna is w2，w1>w2The propagation constants in the corresponding substrate integrated waveguides are respectively beta1And beta2Different propagation constants are used to adjust the distribution of the radiation gaps. Fig. 4 shows a structural schematic diagram of the n adjacent leaky-wave slot arrays for reverse feeding. The first leaky-wave antenna 11 rotates 180 degrees and translates upward (w)1+w2) And/2 obtaining a second leaky-wave antenna 12, wherein the second leaky-wave antenna 12 rotates 180 degrees and moves upwards (w)1+w2) /2 obtaining a 180 degree upward translation (w) of the third leaky-wave antenna 13 … (n-1 st leaky-wave antenna)1+w2) The nth leaky-wave antenna 1n is obtained, the energy feed-in end of each leaky-wave antenna is a head end, the other end of each leaky-wave antenna is a tail end, the tail end of the first leaky-wave antenna 11 is respectively connected with the head ends of the second leaky-wave antennas 12 on the upper side and the lower side of the transverse central line 6 of the antenna array through the substrate integrated waveguide power divider 3, from the second leaky-wave antennas 12, the head ends and the tail ends of the adjacent leaky-wave antennas are connected sequentially through the substrate integrated waveguide corner 4, and the substrate integrated waveguide corner enables the propagation direction of the substrate integrated waveguide in the two adjacent leaky-wave antennas to be reversed; the topology structure of the reverse feeding of the adjacent single leaky-wave antenna enables the width of the substrate integrated waveguide to have complementary characteristics,on the basis, by adjusting the widths of the two sides of the complementary substrate integrated waveguide, relatively uniform gap unit distribution can be obtained to avoid the generation of near-field stray radiation; each leaky-wave slot array antenna is provided with a plurality of slots 5 parallel to the transverse central line 6 of the antenna array, and the plurality of slots 5 are vertically arranged along the transverse central line 21 of a single leaky-wave antenna; the distance between adjacent gaps of each antenna is different so as to generate phase distribution required by near-field focusing; the structures below and above the transverse centre line 6 of the antenna array are mirror images.
Fig. 5 and fig. 6 respectively show the structure schematic diagram of the substrate integrated waveguide corner of the substrate integrated waveguide power divider in the antenna array. Each substrate integrated waveguide power divider 3 comprises two right angles surrounded by power divider metalized through holes 31, and two power divider tuning pins 32 are arranged inside the right angles; each substrate integrated waveguide corner 4 comprises two right angles enclosed by corner metalized vias 41, inside which two corner tuning pins 42 are located. The right angle makes input and output port propagation direction reverse, and the length of merit branch ware and corner is used for adjusting the phase place that feeds into single leaky-wave slot array antenna, satisfies the required phase place of focus in another dimension.
Fig. 7 shows a schematic diagram of implementation of a two-dimensional focusing high-radiation-efficiency substrate integrated waveguide leaky-wave gap array, in fig. 7(a), the feeding directions of the single-substrate integrated waveguide leaky-wave gap array are all the same, and in this structure, the widths of the single-substrate integrated waveguide leaky-wave gap array need to be kept consistent to form an array, which may cause the arrangement of the left and right side gaps to be sparse and uneven, and good symmetry is difficult to achieve. On the basis, the invention provides the substrate integrated waveguide slot array leaky-wave antenna with the reverse feed of the adjacent single leaky-wave antenna, and the topological structure can realize the natural symmetry of the antenna with the two-dimensional near-field focusing. Meanwhile, the topological structure of the reverse feed of the adjacent single leaky-wave antenna enables the width of the substrate integrated waveguide to have complementary characteristics, and on the basis, relatively uniform gap unit distribution can be obtained by adjusting the widths of the left side and the right side of the complementary substrate integrated waveguide to avoid the generation of near-field stray radiation.
Fig. 8 shows an energy distribution schematic diagram of the two-dimensional focusing high-efficiency substrate integrated waveguide leaky-wave slot array provided by the invention, a plurality of leaky-wave antennas fed in opposite directions are connected through a power divider and a corner, and single residual energy which is not radiated is fed in the adjacent leaky-wave antennas in the opposite directions, so that high-efficiency two-dimensional focusing under a simple series-feed structure is realized.
FIG. 9 shows a schematic diagram of the near-field two-dimensional focusing principle, where the array is located on the xoy plane and the near-field focus is F (0,0, z)0). In order to focus the energy of the two-dimensional radiation slot at F, the aperture phase of the two-dimensional antenna front should satisfy equation (1),
wherein (0,0, z)0) Is the coordinates of the near field focal point and (x, y) is the coordinates of any point on the near field antenna array surface.
Fig. 10 shows a schematic diagram of the slot position solution, where the intersection point of the phase of propagation and the phase required for focusing in the substrate integrated waveguide is the position of the radiation slot. It can be seen that the distances between adjacent radiation gaps of the leaky-wave slot array antenna of the single substrate integrated waveguide are different to generate the phase distribution required by near-field focusing, and the width w of the complementary substrate integrated waveguide is adjusted1And w2And further adjust the corresponding propagation constant beta1And beta2Relatively uniform gap element distribution can be obtained to avoid the generation of near-field stray radiation, and the positions of the near-field stray radiation satisfy the following conditions:
wherein liIs the position of the ith slot, l0To start the feed port position, /)w1Is a width of w1The length of the substrate-integrated waveguide of (a),
phase profile required for near field focusing, z0Is the focal height position，β1And beta2The substrate integrated waveguide has a width w1And w2The phase propagation constant (x, y) is the coordinate of any point on the near-field antenna array surface, N*A positive integer that is non-zero.
And finally, according to a design result, the whole antenna aperture surface is provided with 5 leaky-wave slot array antennas in total, and each slot array antenna is provided with 13 slots.
The end of the third leaky wave antenna 13 is closed by a metallized through hole to prevent leakage of energy.
Fig. 11 shows a dimension diagram of the power divider and the corner structure used in this embodiment, in which the center frequency of the antenna is 35GHz, the selected substrate is Tly-5, the thickness is 1.575mm, and the thickness of the metal copper is 0.0175 mm. The substrate integrated waveguide has a width w1＝4.12mm,w2Propagation constant beta of 3.56mm1＝719rad/m，β2The slot positions and the design parameters of the power divider and the corners are obtained as 491rad/m, as shown in table 1.
TABLE 1
Antenna array slot and power divider and corner design parameters (unit: mm)
Fig. 12 shows simulation results of the radiation electric field density distribution of the near-field two-dimensional focusing antenna in the horizontal plane and the vertical plane, and it can be seen that good focusing effect is achieved in both the x direction and the y direction. Fig. 13 shows a simulation and test result graph of the S parameter, and the effective energy radiation efficiency of the antenna reaches 80% on the basis of considering the dielectric loss and the metal loss of the antenna. Fig. 14 and 15 show test and simulation results for normalized near field patterns for the E-plane and the H-plane. Fig. 16 shows simulation and test result graphs of field intensities at different positions from the aperture surface of the antenna in the Z-axis direction, and the heights of the simulation and test focuses are 75mm and 70mm respectively. The simulation and test results can be observed, the experimental and simulation goodness of fit is good, and the design theory of the near-field two-dimensional focusing high-radiation-efficiency substrate integrated waveguide leaky-wave slot array antenna is verified.
While the invention has been described with reference to specific embodiments, any feature disclosed in this specification may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise; all of the disclosed features, or all of the method or process steps, may be combined in any combination, except mutually exclusive features and/or steps.
Claims (5)
1. A high-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing is characterized in that: the antenna comprises an antenna array formed by a plurality of single substrate integrated waveguide leaky-wave slot array antennas in parallel arrangement, a first leaky-wave antenna (11) for feeding external energy is positioned at the transverse center of the antenna array, and the width of the substrate integrated waveguide of the first leaky-wave antenna (11) positioned on the left side of the longitudinal center line (22) of the single leaky-wave antenna is w1The width of the substrate integrated waveguide of the first leaky-wave antenna (11) on the right side of the longitudinal center line (22) of the single leaky-wave antenna is w2，w1>w2The first leaky-wave antenna (11) rotates 180 degrees and translates upwards (w)1+w2) A second leaky-wave antenna (12) is obtained, and the second leaky-wave antenna (12) rotates by 180 degrees and moves upwards (w)1+w2) /2 obtaining a 180 degree upward translation (w) of the third leaky-wave antenna (13) … (n-1 st leaky-wave antenna)1+w2) The nth leaky-wave antenna (1n) is obtained, the energy feed-in end of each leaky-wave antenna is a head end, the other end of each leaky-wave antenna is a tail end, the tail end of the first leaky-wave antenna (11) is connected with the head end of the second leaky-wave antenna (12) through the substrate integrated waveguide power divider (3), the head ends of the second leaky-wave antennas (12) are respectively positioned at the upper side and the lower side of the tail end of the first leaky-wave antenna (11), substrate integrated waveguide corners (4) are arranged at the head ends and the tail ends of the adjacent leaky-wave antennas from the second leaky-wave antenna (12), the head ends and the tail ends of the adjacent leaky-wave antennas are connected through the substrate integrated waveguide corners (4) in sequence, and the substrate integrated waveguide corners (4) enable the propagation directions of the substrate integrated waveguides in the two adjacent leaky-wave, each substrate integrated waveguide leaky-wave slot array antenna is provided with a plurality of substrate integrated waveguide leaky-wave slot array antennas which are parallel to the transverse central line (6) of the antenna array.The slots (5) are vertically arranged along the transverse central line (21) of the single leaky-wave antenna; the distance between adjacent slots of each leaky-wave slot array antenna is different; the structure below and the structure above the transverse centre line (6) of the antenna array are mirror symmetric.
2. The high-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing according to claim 1, wherein: each substrate integrated waveguide power divider (3) comprises two right angles surrounded by power divider metalized through holes (31), and two power divider tuning pins (32) are arranged inside the right angles; each substrate integrated waveguide corner (4) comprises two right angles surrounded by corner metalized vias (41), inside which two corner tuning pins (42) are arranged.
3. The high-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing according to claim 1, wherein: the distance between adjacent radiation gaps of the single substrate integrated waveguide leaky-wave slot array antenna is different so as to generate phase distribution required by near-field focusing, and the positions of the phase distribution meet the following requirements:
wherein liIs the position of the ith slot, l0To start the feed port position, /)w1Is a width of w1The length of the substrate-integrated waveguide of (a),
phase profile required for near field focusing, z0Is the focal height position, beta1And beta2The substrate integrated waveguide has a width w1And w2The phase propagation constant (x, y) is the coordinate of any point on the near-field antenna array surface, N*A positive integer that is non-zero.
4. The high-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing according to claim 1, wherein: the aperture surface of the whole antenna is provided with 5 substrate integrated waveguide leaky-wave slot array antennas in total, and each substrate integrated waveguide slot array antenna is provided with 13 slots.
5. The high-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing according to claim 1, wherein: the end of the nth leaky-wave antenna (1n) is closed by a metallized through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811002877.9A CN109193180B (en) | 2018-08-30 | 2018-08-30 | High-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811002877.9A CN109193180B (en) | 2018-08-30 | 2018-08-30 | High-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109193180A CN109193180A (en) | 2019-01-11 |
| CN109193180B true CN109193180B (en) | 2020-11-27 |
Family
ID=64917492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811002877.9A Active CN109193180B (en) | 2018-08-30 | 2018-08-30 | High-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109193180B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649388B (en) * | 2019-10-10 | 2021-04-13 | 东南大学 | Low loss feed network and high efficiency antenna device |
| CN111009724B (en) * | 2019-12-03 | 2021-11-16 | 北京航天飞腾装备技术有限责任公司 | Electric control zero-crossing scanning plane leaky-wave antenna based on metamaterial |
| CN112688046B (en) * | 2020-12-04 | 2022-03-29 | 华南理工大学 | Near-field focusing holographic array antenna and regulation and control method |
| CN113013614B (en) * | 2021-01-29 | 2022-05-06 | 北京交通大学 | Loaded antenna assembly of ware is divided to merit of two-way beam forming |
| CN113675594B (en) * | 2021-07-06 | 2022-09-13 | 北京交通大学 | High-efficiency leaky-wave antenna |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0435739A1 (en) * | 1989-12-26 | 1991-07-03 | Thomson-Csf Radant | Magic microwave source and its application in an antenna with electronic scanning |
| US6049311A (en) * | 1999-03-05 | 2000-04-11 | The Whitaker Corporation | Planar flat plate scanning antenna |
| CN101291017A (en) * | 2008-05-27 | 2008-10-22 | 东南大学 | Multi-beam antenna of substrate integrated wave-guide based on principal of Rotman lens |
| CN101320842A (en) * | 2008-07-18 | 2008-12-10 | 东南大学 | Substrate integration wave-guide multiple-beam antenna based on improved bi-circle lens |
| CN101465455A (en) * | 2009-01-06 | 2009-06-24 | 东南大学 | Basal lamina integrated waveguide compensation type wideband phase shifter |
| CN101533961A (en) * | 2009-04-17 | 2009-09-16 | 东南大学 | Shared substrate multi-beam antenna based on eight port junctions |
| CN104852139A (en) * | 2014-02-14 | 2015-08-19 | 波音公司 | Antenna array system for producing dual circular polarization signals utilizing a meandering waveguide |
| US20160204516A1 (en) * | 2015-01-08 | 2016-07-14 | National Chiao Tung University | Focusing Antenna |
| CN107086362A (en) * | 2017-04-28 | 2017-08-22 | 合肥工业大学 | A kind of conformal Sidelobe Waveguide slot array antenna |
| CN107356332A (en) * | 2017-06-28 | 2017-11-17 | 东南大学 | Terahertz transceiving chip, receiving/transmission method and its imaging detection system |
| EP3252500A2 (en) * | 2016-05-31 | 2017-12-06 | Honeywell International Inc. | Integrated digital active phased array antenna and wingtip collision avoidance system |
| CN107546495A (en) * | 2017-07-14 | 2018-01-05 | 电子科技大学 | A kind of conformal chip integrated waveguide slot array antenna of millimeter wave circular conical surface |
| CN107645070A (en) * | 2017-07-31 | 2018-01-30 | 东南大学 | Multibeam antenna based on dimensional microwave planar lens and double gradual change slot antenna linear arrays |
| CN107645069A (en) * | 2017-10-09 | 2018-01-30 | 成都瑞德星无线技术有限公司 | A kind of near field Active-Mirror image focu antenna |
| CN107834185A (en) * | 2017-11-08 | 2018-03-23 | 东南大学 | The collapsible reflective array antenna of individual layer of two-dimensional scan |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1291750A (en) * | 1961-03-17 | 1962-04-27 | Csf | Flat antenna for single pulse radar |
| DE3409651C2 (en) * | 1984-03-16 | 1994-07-28 | Deutsche Aerospace | Flat swivel antenna for millimeter waves |
| NZ521823A (en) * | 2002-10-04 | 2005-11-25 | Ind Res Ltd | An array of antenna elements used as a microwave sensor to grade produce such as fruit |
| DE102004016982A1 (en) * | 2004-04-07 | 2005-10-27 | Robert Bosch Gmbh | Waveguide structure |
| EP2702697A1 (en) * | 2011-04-28 | 2014-03-05 | Alliant Techsystems Inc. | Devices for wireless energy transmission using near -field energy |
| FR2986377B1 (en) * | 2012-01-27 | 2014-03-28 | Thales Sa | TWO-DIMENSION MULTI-BEAM TRAINER, ANTENNA COMPRISING SUCH A MULTI-BEAM TRAINER, AND A SATELLITE TELECOMMUNICATION SYSTEM COMPRISING SUCH ANTENNA |
| CN102983410B (en) * | 2012-11-09 | 2014-03-12 | 深圳光启创新技术有限公司 | Reflective array antenna |
| CN106021818B (en) * | 2016-06-24 | 2018-11-20 | 西安电子科技大学 | A kind of near field focus plane reflection array antenna design method |
| RU2649871C2 (en) * | 2016-06-24 | 2018-04-05 | Общество с ограниченной ответственностью "Радио Гигабит" | Device of wireless communication with frequency-polarization distribution between transfer and receiver channels |
| CN107689490B (en) * | 2017-08-22 | 2019-11-19 | 电子科技大学 | Double frequency Shared aperture array antenna |
| CN108173006A (en) * | 2017-11-23 | 2018-06-15 | 北京遥感设备研究所 | A kind of pulse Cassegrain antenna suitable for terahertz wave band |
| CN108173007A (en) * | 2017-12-21 | 2018-06-15 | 厦门大学 | A kind of double-deck Waveguide slot near field focus array antenna based on quadrangle feed |
-
2018
- 2018-08-30 CN CN201811002877.9A patent/CN109193180B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0435739A1 (en) * | 1989-12-26 | 1991-07-03 | Thomson-Csf Radant | Magic microwave source and its application in an antenna with electronic scanning |
| US6049311A (en) * | 1999-03-05 | 2000-04-11 | The Whitaker Corporation | Planar flat plate scanning antenna |
| CN101291017A (en) * | 2008-05-27 | 2008-10-22 | 东南大学 | Multi-beam antenna of substrate integrated wave-guide based on principal of Rotman lens |
| CN101320842A (en) * | 2008-07-18 | 2008-12-10 | 东南大学 | Substrate integration wave-guide multiple-beam antenna based on improved bi-circle lens |
| CN101465455A (en) * | 2009-01-06 | 2009-06-24 | 东南大学 | Basal lamina integrated waveguide compensation type wideband phase shifter |
| CN101533961A (en) * | 2009-04-17 | 2009-09-16 | 东南大学 | Shared substrate multi-beam antenna based on eight port junctions |
| CN104852139A (en) * | 2014-02-14 | 2015-08-19 | 波音公司 | Antenna array system for producing dual circular polarization signals utilizing a meandering waveguide |
| US20160204516A1 (en) * | 2015-01-08 | 2016-07-14 | National Chiao Tung University | Focusing Antenna |
| EP3252500A2 (en) * | 2016-05-31 | 2017-12-06 | Honeywell International Inc. | Integrated digital active phased array antenna and wingtip collision avoidance system |
| CN107086362A (en) * | 2017-04-28 | 2017-08-22 | 合肥工业大学 | A kind of conformal Sidelobe Waveguide slot array antenna |
| CN107356332A (en) * | 2017-06-28 | 2017-11-17 | 东南大学 | Terahertz transceiving chip, receiving/transmission method and its imaging detection system |
| CN107546495A (en) * | 2017-07-14 | 2018-01-05 | 电子科技大学 | A kind of conformal chip integrated waveguide slot array antenna of millimeter wave circular conical surface |
| CN107645070A (en) * | 2017-07-31 | 2018-01-30 | 东南大学 | Multibeam antenna based on dimensional microwave planar lens and double gradual change slot antenna linear arrays |
| CN107645069A (en) * | 2017-10-09 | 2018-01-30 | 成都瑞德星无线技术有限公司 | A kind of near field Active-Mirror image focu antenna |
| CN107834185A (en) * | 2017-11-08 | 2018-03-23 | 东南大学 | The collapsible reflective array antenna of individual layer of two-dimensional scan |
Non-Patent Citations (2)
| Title |
|---|
| "平面聚焦天线低副焦斑和多焦斑的研究";薛飞;《中国优秀硕士学位论文全文数据库》;20180215;全文 * |
| Tim Martin Böbel，ET AL."A Frequency Steerable Substrate-Integrated.《2016 German Microwave Conference(GeMiC)》.2016, * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109193180A (en) | 2019-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109193180B (en) | High-efficiency substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional focusing | |
| Ranjan et al. | SIW-based leaky-wave antenna supporting wide range of beam scanning through broadside | |
| Jackson et al. | Leaky-wave antennas | |
| US20220255229A1 (en) | Antenna module and electronic device | |
| CN106021818B (en) | A kind of near field focus plane reflection array antenna design method | |
| Mallahzadeh et al. | Long slot ridged SIW leaky wave antenna design using transverse equivalent technique | |
| US10985470B2 (en) | Curved near-field-focused slot array antennas | |
| Khan et al. | Empty substrate integrated waveguide slot antenna array for 5G applications | |
| CN108832293B (en) | Substrate integrated waveguide leaky-wave slot array antenna for near-field two-dimensional scanning | |
| CN111555023B (en) | Asymmetric double-artificial surface plasmon sum and difference beam antenna | |
| Hao et al. | Design of a millimeter-wave high angle selectivity shaped-beam conformal array antenna using hybrid genetic/space mapping method | |
| CN210272694U (en) | Substrate integrated waveguide slot scanning antenna | |
| Xie et al. | Microstrip leaky-wave antennas with nonuniform periodical loading of shorting pins for enhanced frequency sensitivity | |
| CN107946764A (en) | Low section CTS antenna feeders source based on SIW technologies | |
| CN112201933B (en) | Array antenna of compact lightweight multi-scanning system | |
| Yang et al. | Dual-band shared-aperture multiple antenna system with beam steering for 5G applications | |
| CN102637958A (en) | Composite left-right-hand transmission line type narrow band wide-range frequency scan antenna | |
| CN110011075B (en) | High-performance beam forming antenna and beam forming method | |
| CN108598697B (en) | Three-dimensional meandering substrate integrated waveguide near-field focusing standing wave slot array antenna | |
| Chu et al. | Frequency beam-steering antenna with large scanning angle and low sidelobe in brick configuration aiming for 2-D expansion | |
| Norooziarab et al. | Millimeter-wave 3D printed Luneburg lens antenna | |
| Sierra-Castañer et al. | Double-beam parallel-plate slot antenna | |
| CN110233334B (en) | Horizontal polarization leaky-wave antenna based on substrate integrated mirror image dielectric waveguide | |
| Li et al. | Focused array antenna based on subarrays | |
| Masa-Campos et al. | Parallel Plate Patch Antenna With Internal Rectangular Coupling Patches and TE $ _ {\rm N0} $ Mode Excitation |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |