CN103367884B - A kind of low section taper exit direction figure antenna based on principle of holography and impedance surface - Google Patents
A kind of low section taper exit direction figure antenna based on principle of holography and impedance surface Download PDFInfo
- Publication number
- CN103367884B CN103367884B CN201310323806.XA CN201310323806A CN103367884B CN 103367884 B CN103367884 B CN 103367884B CN 201310323806 A CN201310323806 A CN 201310323806A CN 103367884 B CN103367884 B CN 103367884B
- Authority
- CN
- China
- Prior art keywords
- wave
- impedance
- impedance surface
- holography
- principle
- 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
Abstract
The invention discloses a kind of low section taper exit direction antenna based on principle of holography and impedance surface, this antenna is made up of impedance surface and monopole antenna.Impedance surface is that printed circuit board (PCB) (Printed Circuit Board is called for short PCB) upper front etches different chip unit composition, and this PCB half back side is metal, and centre is dielectric layer.Wherein the design on impedance surface employs principle of holography, and the unit on impedance surface is the metal patch of different size, and distribution of impedance meets holographic interference pattern intensity distributions.Holographic interference pattern interferes generation by object wave and reference wave, the surface wave that reference wave is monopole antenna excitation and produces on the surface in impedance, and object wave is the ripple of the tapered outgoing of directional diagram.
Description
Technical field
The present invention relates to field of antenna, particularly relate to a kind of low section taper exit direction antenna based on principle of holography and impedance surface.
Background technology
In microwave and millimeter wave engineering, leaky-wave antenna is newer antenna, its principle is based on the fast wave radiation of surface wave, for slow wave, if impedance surface is periodic structure or other modulated structures, according to Bloch theorem, in the space harmonics of its correspondence, will there is radiation in the harmonic wave meeting the wave vector of fast wave condition corresponding, and correspondence finds the radiation mechanism of this fast wave condition based on the contrast of Brillouin zone energy band figure or dispersion relation figure and light.
Impedance surface is a direction of Novel manual electromagnetic material and the development of Stochastic choice frequency surface, Novel manual electromagnetic material is that the sub-wavelength metal cellular construction cycle of geometry in particular or arrangement paracycle are implanted inner or surperficial the formed a kind of artificial material of stock, in microwave section, its sub-wavelength structure relative to the response simulation micro-scale atom of incoming wave or molecule to optical band electromagnetic corresponding, impedance surface is also known as Novel manual electromagnetic material surface or super surperficial, it and the difference of Novel manual electromagnetic material are the differences of two and three dimensions, dielectric-slab surface is arranged in by cycle or paracycle by the sub-wavelength metal cellular construction of given shape, for analyzing the response of its his-and-hers watches ground roll.
Principle of holography is long-standing in the technology of optical band, it utilizes interference and diffraction principle to record and the technology of reconstructed object, the film that traditional shooting technology uses only records intensity signal, and do not record phase information, utilize a branch of and that object wave is relevant reference wave to interfere object wave, restraint the interference information of ripple in negative writing two, when reference wave is when same angular illumination is to the egative film generated, object wave will be reproduced, therefore also can online object.
Although principle of holography to be applied to the history of microwave section especially in leaky-wave antenna existing half a century, the way of corresponding holographic interference pattern is carried out until just appearance in 2010 in the impedance surface formed by printed circuit board (PCB).Its general principle carrys out corresponding interference strength with the different surfaces impedance corresponding to different metal paster structure, thus when the reference wave of microwave section is irradiated to this impedance surface, will the object wave that designs in advance of outgoing, the method conveniently can carry out Shape design to directional diagram.
Summary of the invention
The object of the invention is to utilize the method to the principle of holography that the design of leaky-wave antenna uses, the present invention has carried out figuration to radiation pattern, make it the directional diagram producing taper outgoing, the method of this technology to wave beam forming provides a kind of simple and clear scheme, and its directional diagram provided can use when considering horizon curvature as satellite communication needs in specific occasion.
For achieving the above object, the technical solution used in the present invention is:
Based on the low section taper exit direction antenna on principle of holography and impedance surface, it comprises:
Wireless aerial SMA (Sub-Miniature-A) joint, it is as monopole antenna, and surface wave propagation process forms leaky wave radiation, and radiation theory is based on principle of holography.Impedance meter EDS maps distributes based on the interference pattern of principle of holography;
Printing board PCB (Printed Circuit Board), its front is the impedance surface that metal patch unit generates by holographic interference pattern distribution etching, the described metal patch unit on described impedance surface is made up of much smaller than the metal patch of wavelength 1/5 Cycle Length d, and described metal patch distribution generates according to holographic interference distribution.
Wherein, described hologram interferes distribution characteristics to be, corresponding reference wave is surface wave Φ
ref=exp (-jkn ρ), corresponding object wave is the conical outgoing object wave Φ becoming fixed angle with the normal direction in face
obj=exp (-jk ρ sin (θ)), wherein θ is the angle between normal,
for the wave vector in air, wherein π is circumference ratio, and λ is wavelength corresponding to electromagnetic wave corresponding frequencies, and n is the mean refractive index of surface wave, and ρ is the polar coordinates radial direction distance in described PCB plane.
Described impedance surfacing is printed circuit board material, the back side of PCB material is metal ground plane, front is the unit of same size, the square patch composition of different size, the surface impedance that the paster of different size is corresponding different, the surface impedance distribution on this impedance surface corresponds to interference pattern distribution.
Described monopole antenna adopts radio antenna interface (Sub-Minature-A), and it is 3 millimeters long that the probe of sub-miniature A connector stretches out length.
The expression formula of reference wave on impedance surface that this antenna uses based on principle of holography is surface wave Φ
ref=exp (-jkn ρ), the expression formula of object wave on impedance surface is Φ
obj=exp (-jk ρ sin (θ)), this object wave corresponds to the radiation direction of taper exit direction figure.Its angle of radiation and normal direction degree into θ angle.
Described dielectric-slab is preferably polytetrafluoroethylene material, and it is 408 millimeters × 408 millimeters that selected pcb board face amasss, and sheet metal thickness 1.57 millimeters, dielectric permittivity is 2.2.
By the low section taper exit direction antenna based on principle of holography and impedance surface provided by the invention, achieve low section taper exit direction antenna in microwave section first; The bandwidth of lens antenna is 1GHz, not obvious in Ku wave band (16.5-17.5GHz) internal dispersion, stable performance; Making is simple, technical maturity, price are not high, be convenient to popularization; By the convergent-divergent of structural parameters, be applicable to the different-wavebands such as microwave, millimeter wave and THz wave.
Accompanying drawing explanation
Fig. 1 is antenna face structural representation;
Fig. 2 is structure partial schematic diagram, and wherein black part is divided into metal patch, and white is medium;
Fig. 3 is end view, centre be sub-miniature A connector as monopole, probe length 3mm;
Fig. 4 is chip unit schematic diagram, and wherein d represents whole unit Cycle Length, and a represents the length of side of PCB upper square metal patch, paster spacing g=a-d.
Fig. 5 is the relational expression of chip unit interval g and impedance Z.
Fig. 6 is emulation far field radiation pattern, wherein:
A () for emulating the directional diagram of gained on 16.5GHz;
B () for emulating the directional diagram of gained on 17.0GHz.
C () for emulating the directional diagram of gained on 17.5GHz.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
Be illustrated in figure 1 a kind of front schematic view of the low section taper exit direction antenna based on principle of holography and impedance surface, it is made up of a foursquare PCB polytetrafluoroethylene sheet material, center is by the monopole antenna of SMA feed, and in SMA, axle stretches out 3 millimeters as probe.Fig. 2 is structure partial schematic diagram, and Fig. 3 is end view, and center is that sub-miniature A connector is as fed monopole subdivision.
Sheet material area is 408 millimeters × 408 millimeters, thickness is 1.57 millimeters, and front is for interfering distribution pattern, and sheet material front is made up of the metal unit paster of different spacing g, in the diagram, the relation reaction between its middle impedance and spacing g in Figure 5 in the cell schematics reaction of paster.
The surface impedance distribution of antenna is arranged evenly according to the interference of reference wave and object wave.Corresponding reference wave is surface wave Φ
ref=exp (-jkn ρ), corresponding object wave is the conical outgoing object wave Φ becoming fixed angle with the normal direction in face
obj=exp (-jk ρ sin (θ)), wherein θ is the angle between normal.
Patch size is according to the interference pattern formal distribution of above two kinds of ripples, and its expression formula is as follows:
Z=X+M*cos(nkρ-kρsinθ)
In formula above, Z is the surface resistance value that each unit paster is corresponding, and the relation of it and cell size i.e. paster spacing g is see Fig. 5.X is the mean value of the surface impedance of all pasters, and M is the excursion up and down of impedance or claims modulation depth.Two of the cosine function item inside interference terms from surface wave and object wave.
This Antenna Operation about 17GHz far field radiation pattern as shown in Figure 6, it has good performance in 16.5-17.5GHz band limits.
Lens antenna in the present invention is different according to working frequency range, and different processing technology can be adopted to realize.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications that it is expected to, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (1)
1., based on the low section taper exit direction antenna on principle of holography and impedance surface, it comprises:
Wireless aerial sub-miniature A connector, it is as monopole antenna;
Printing board PCB, its front is the impedance surface that metal patch unit generates by holographic interference pattern distribution etching, the metal patch that the described metal patch unit on described impedance surface is less than wavelength 1/5 by Cycle Length d forms, and described metal patch distribution interferes distribution to generate according to hologram; Wherein, hologram interferes distribution characteristics to be, corresponding reference wave is surface wave Φ
ref=exp (-jkn ρ), corresponding object wave is the conical outgoing wave Φ becoming fixed angle with the normal direction in face
obj=exp (-jk ρ sin (θ)), wherein θ is the angle between normal,
for the wave vector in air, wherein π is circumference ratio, and λ is wavelength corresponding to electromagnetic wave corresponding frequencies, and n is the mean refractive index of surface wave, and ρ is the polar coordinates radial direction distance in described PCB plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310323806.XA CN103367884B (en) | 2013-07-29 | 2013-07-29 | A kind of low section taper exit direction figure antenna based on principle of holography and impedance surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310323806.XA CN103367884B (en) | 2013-07-29 | 2013-07-29 | A kind of low section taper exit direction figure antenna based on principle of holography and impedance surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103367884A CN103367884A (en) | 2013-10-23 |
| CN103367884B true CN103367884B (en) | 2015-07-29 |
Family
ID=49368724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310323806.XA Active CN103367884B (en) | 2013-07-29 | 2013-07-29 | A kind of low section taper exit direction figure antenna based on principle of holography and impedance surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103367884B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112901B (en) * | 2014-07-18 | 2017-01-25 | 电子科技大学 | Conformal antenna on holographic artificial impedance surface |
| CN104852130B (en) * | 2015-03-14 | 2018-06-05 | 西安电子科技大学 | Low radar cross section slot array antenna based on holographic surface |
| EP3079204B1 (en) * | 2015-04-09 | 2021-04-07 | The Boeing Company | Two-dimensionally electronically-steerable artificial impedance surface antenna |
| CN104733850B (en) * | 2015-04-17 | 2017-10-10 | 电子科技大学 | Artificial tensor impedance skin antenna and its implementation based on holographic modulation |
| CN107394408A (en) * | 2017-07-24 | 2017-11-24 | 电子科技大学 | Vortex electromagnetic beam antenna and its implementation based on holographic tensor impedance surface |
| CN108663663B (en) * | 2018-04-03 | 2020-10-20 | 上海微小卫星工程中心 | Antenna emission pattern setting method under polar coordinate system |
| CN111900550B (en) * | 2020-08-31 | 2021-05-28 | 西安电子科技大学 | Impedance and phase dual-modulation fused dual-source super-surface high-directivity antenna |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201918509U (en) * | 2010-12-07 | 2011-08-03 | 惠州Tcl移动通信有限公司 | Antenna with cross-shaped high-impedance surface metal strips for grounding and wireless communication device thereof |
| CN102176537A (en) * | 2011-01-17 | 2011-09-07 | 西安电子科技大学 | Antenna for reducing radar scattering cross section |
-
2013
- 2013-07-29 CN CN201310323806.XA patent/CN103367884B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201918509U (en) * | 2010-12-07 | 2011-08-03 | 惠州Tcl移动通信有限公司 | Antenna with cross-shaped high-impedance surface metal strips for grounding and wireless communication device thereof |
| CN102176537A (en) * | 2011-01-17 | 2011-09-07 | 西安电子科技大学 | Antenna for reducing radar scattering cross section |
Non-Patent Citations (1)
| Title |
|---|
| 全息阻抗调制表面天线的分析与设计;张剑;《中国优秀硕士学位论文全文数据库》;20130615;第6、15、20、32页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103367884A (en) | 2013-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103367884B (en) | A kind of low section taper exit direction figure antenna based on principle of holography and impedance surface | |
| CN109755757B (en) | Broadband coding folding reflective array antenna based on sub-wavelength single-layer reflection unit | |
| Bai et al. | Dynamic millimeter-wave OAM beam generation through programmable metasurface | |
| CN103337710B (en) | Wideband low sidelobe lens antenna based on novel artificial electromagnetic material | |
| CN103367926B (en) | Multi-beam antenna design method based on holographic impedance surface | |
| Jiang et al. | Multiband polarisation insensitive metamaterial absorber based on circular fractal structure | |
| CN209104369U (en) | A kind of super skin antenna for remote microwave wireless charging | |
| CN108539393B (en) | Horizontal polarization holographic antenna of high-aperture efficiency pencil-shaped wave beam | |
| Xue et al. | An ultrathin, low-profile and high-efficiency metalens antenna based on chain Huygens’ metasurface | |
| Araghi et al. | Holographic-based leaky-wave structures: Transformation of guided waves to leaky waves | |
| CN105161800A (en) | Double-screen frequency selective surface capable of optimizing electromagnetic transmission characteristics | |
| Li et al. | Ultra-thin single-layer transparent geometrical phase gradient metasurface and its application to high-gain circularly-polarized lens antenna | |
| Wang et al. | Wideband Transmit-Array Antenna Design with Dual-Layer Ultrathin Huygens' Meta-surface for Vehicular Sensing and Communication | |
| Lin et al. | Single-layer re-organizable all-dielectric meta-lens platform for arbitrary transmissive phase manipulation at millimeter-wave frequencies | |
| Zohrevand et al. | Generation of orbital angular momentum modes via SSPP leaky-wave antenna based on holography technique | |
| Ahmed et al. | Metamaterial surface and modified Vivaldi antenna to tune gain of microwave imaging instrument | |
| Tian et al. | A gain-enhanced dual-band microstrip antenna using metasurface as superstrate configuration | |
| Zhang et al. | Phase controllable FSR design and its application into a high-gain transmitarray antenna with a low radar cross-section | |
| CN102590641B (en) | Shared holographic compact range system of millimeter wave/submillimeter wave multi-band calibers | |
| Saifullah et al. | 3-bit polarization insensitive reflective metasurface for RCS reduction | |
| CN102769189A (en) | Horn and lens combined antenna | |
| Fu et al. | Active-passive compound metasurface for simultaneously manipulating radiation and scattering in a wide band | |
| CN105633560A (en) | Subwavelength metal groove structure periodic leaky-wave antenna based on surface impedance | |
| Dhouibi et al. | X-band metamaterial-based Luneburg lens antenna | |
| Sun et al. | A wideband transparent water patch antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |