CN114583462A - Full-space electromagnetic regulation and control super-surface and super-surface unit - Google Patents
Full-space electromagnetic regulation and control super-surface and super-surface unit Download PDFInfo
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- CN114583462A CN114583462A CN202210260185.4A CN202210260185A CN114583462A CN 114583462 A CN114583462 A CN 114583462A CN 202210260185 A CN202210260185 A CN 202210260185A CN 114583462 A CN114583462 A CN 114583462A
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- 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
- H01Q15/002—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 said selective devices being reconfigurable or tunable, e.g. using switches or diodes
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- 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
- H01Q15/0086—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices having materials with a synthesized negative refractive index, e.g. metamaterials or left-handed materials
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Abstract
The invention discloses a full-space electromagnetic regulation super surface and a super surface unit, wherein the super surface comprises a first electromagnetic wave coupling/decoupling part, a transmission layer and a second electromagnetic wave coupling/decoupling part which are sequentially arranged; the surface of the first electromagnetic wave coupling/decoupling part is provided with a first patch; the transmission layer is conducted with the first electromagnetic wave coupling/decoupling part and the second electromagnetic wave coupling/decoupling part through the transmission line structure, and is provided with an adjustable element which is used for dividing guided electromagnetic waves in the transmission line structure into reflected waves and transmitted waves and regulating and controlling amplitude and phase; the second electromagnetic wave coupling/decoupling portion has a second patch. The invention aims to solve the problem that the traditional super surface cannot realize quick and accurate electromagnetic wave regulation and control, and provides a method for regulating and controlling the amplitude phase and the polarization state of a transflective electromagnetic wave. The method can realize real-time adjustment of the amplitude and the phase of the electromagnetic wave in a specific polarization state.
Description
Technical Field
The invention belongs to the technical field of wireless communication, and relates to a full-space electromagnetic regulation super-surface and a super-surface unit, which are used for regulating and controlling the amplitude, the phase and the polarization of transmission and reflection electromagnetic waves.
Background
With the continuous development of communication technology, new requirements are put forward on novel communication equipment; in a high-speed wireless communication system, in order to provide a signal generating device with higher gain and ensure the speed and reliability of data transmission, an antenna array with high gain and high directivity is often used to generate a directional beam, but since the beam generated by an antenna array is narrower and cannot cover the whole communication area, in order to fully utilize the characteristic of the high directivity of the antenna array, the beam direction of the antenna array is flexibly regulated and controlled, so that the beam direction is very important for the target that needs to be communicated.
The super surface has the characteristics of low section, small size and flexible adjustment, and can control the amplitude, phase, polarization and other characteristics of electromagnetic waves. The traditional mode of controlling the amplitude, phase and polarization state of electromagnetic waves by the super surface mainly comprises regulating and controlling the geometric dimension or the rotation direction of a resonance part of a super surface unit, and different super surface units are arranged according to a certain rule to form the super surface with specific functions, such as a beam regulation super surface, a focusing super surface and the like.
However, the conventional super surface cannot flexibly regulate and control the characteristics of the super surface, and after the super surface is processed and formed, the functions of the related characteristics cannot be changed, so that real-time beam scanning and beam forming cannot be realized, and the application of the conventional super surface in a real-time high-speed communication environment is limited.
Disclosure of Invention
The invention aims to solve the problem that the traditional super-surface cannot realize rapid and accurate electromagnetic wave regulation and control, and provides a full-space electromagnetic regulation and control super-surface and a super-surface unit.
In order to achieve the purpose, the specific technical scheme of the invention is as follows:
a full-space electromagnetic regulation and control super surface comprises a first electromagnetic wave coupling/decoupling part, a transmission layer and a second electromagnetic wave coupling/decoupling part which are sequentially arranged;
the surface of the first electromagnetic wave coupling/decoupling part is provided with a first patch which is used for coupling space electromagnetic waves and decoupling guided electromagnetic waves and can realize polarization regulation and control of reflected or transmitted electromagnetic waves;
the transmission layer is conducted with the first electromagnetic wave coupling/decoupling part and the second electromagnetic wave coupling/decoupling part through the transmission line structure, and is provided with an adjustable element which is used for dividing guided electromagnetic waves in the transmission line structure into reflected waves and transmitted waves and regulating and controlling amplitude and phase;
the second electromagnetic wave coupling/decoupling part is provided with a second patch which is used for realizing the coupling of the space electromagnetic wave and the decoupling of the guided electromagnetic wave and the polarization regulation and control of the reflected or transmitted electromagnetic wave;
the first patch and the second patch are connected with the transmission line structure in a radio frequency mode.
As a further improvement of the present invention, the first electromagnetic wave coupling/decoupling portion, the transmission layer, and the second electromagnetic wave coupling/decoupling portion are connected by a transmission column in a radio frequency manner, and the transmission column is connected to the first patch, the adjustable element, and the second patch;
or the first electromagnetic wave coupling/decoupling part, the transmission layer and the second electromagnetic wave coupling/decoupling part are in radio frequency connection in a gap coupling mode.
As a further improvement of the invention, the full-space electromagnetic regulation super surface is formed by regularly arranging a plurality of super surface units.
As a further improvement of the invention, the super-surface unit comprises a top layer, a middle layer and a bottom layer which are sequentially stacked;
the top layer comprises a top layer medium and a top layer metal patch arranged on the upper surface of the top layer medium;
the middle layer comprises two layers of middle media and the transmission line structure; the upper surface and the lower surface of the two layers of intermediate mediums are respectively provided with a first intermediate patch and a second intermediate patch, and the transmission line structure is arranged between the two layers of intermediate mediums;
the bottom layer comprises a bottom layer medium and a bottom layer metal patch arranged on the lower surface of the bottom layer medium.
As a further improvement of the present invention, the transmission line structure includes a metal transmission line disposed on the intermediate medium, metal through holes are disposed at two ends of the metal transmission line, the adjustable element is connected in parallel with the metal transmission line, and the adjustable element passes through the two layers of intermediate medium through the ground short-circuit column and is connected to the first intermediate patch and the second intermediate patch respectively;
the transmission post passes through the metal through hole on the metal transmission line and is connected with the top metal patch, the first middle patch, the second middle patch and the bottom metal patch.
As a further improvement of the invention, the dielectric constants of the middle medium, the top medium and the bottom medium are all 3.48.
As a further development of the invention, the adjustable element is a varactor, a pin diode or a radio frequency switch.
A full-space electromagnetic regulation super-surface unit comprises a top layer, a middle layer and a bottom layer which are sequentially stacked;
the top layer comprises a top layer medium and a top layer metal patch arranged on the upper surface of the top layer medium;
the middle layer comprises two layers of middle media and a transmission line structure; the upper surface and the lower surface of the two layers of intermediate mediums are respectively provided with a first intermediate patch and a second intermediate patch, and the transmission line structure is arranged between the two layers of intermediate mediums;
the bottom layer comprises a bottom layer medium and a bottom layer metal patch arranged on the lower surface of the bottom layer medium.
As a further improvement of the present invention, the transmission line structure includes a metal transmission line disposed on the intermediate medium, metal through holes are disposed at two ends of the metal transmission line, the adjustable element is connected in parallel with the metal transmission line, and the adjustable element passes through the two layers of intermediate medium through the ground short-circuit column and is respectively connected to the first intermediate patch and the second intermediate patch;
the transmission post passes through the metal through hole on the metal transmission line and is connected with the top metal patch, the first middle patch, the second middle patch and the bottom metal patch.
As a further development of the invention, the adjustable element is a varactor, a pin diode or a radio frequency switch.
Compared with the prior art, the invention has the following technical advantages and beneficial effects:
the super surface based on the coupling-transmission-decoupling structure has the advantages that the main functions of the reflection array and the transmission array are connected through the adjustable elements, and the super surface has the capability of adjusting the amplitude, the phase and the polarization of reflected and transmitted waves simultaneously. The variable capacitance diode is combined with the super surface unit based on the coupling-transmission-decoupling mode, the variable capacitance diode is connected in parallel in a transmission line structure of the super surface unit, independent regulation and control of transmission and reflection electromagnetic waves can be achieved by changing the voltage at two ends of the variable capacitance diode and the transmission line structure, and the radiation structure of the super surface unit is hardly influenced. The working frequency band can be easily regulated and controlled by changing the size of the super-surface unit, the polarization states of reflected and transmitted waves can be controlled by adjusting the feeding positions of the top-layer patch and the bottom-layer patch, and the regulating mode is convenient and flexible.
The invention provides a super-surface unit based on a coupling-transmission-decoupling structure, which comprises five layers of metal structures and four layers of media and can be divided into a coupling part, a transmission part and a decoupling part, and the control of the amplitude, the phase and the polarization of a transflective electromagnetic wave can be realized by designing different parts of a super surface.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. In the drawings:
FIG. 1 is a schematic representation of a super-surface unit structure employed in embodiments of the present invention;
FIG. 2 is a schematic illustration of a portion of an intermediate transmission line of a super-surface unit for use in embodiments of the present invention;
FIG. 3 is simulated reflection and transmission amplitudes for a super-surface cell of an embodiment of the present invention without loading a parallel varactor;
FIG. 4 is an amplitude distribution of reflected electromagnetic waves at different capacitance values for a super-surface unit employed in an embodiment of the present invention;
FIG. 5 is a phase distribution of reflected electromagnetic waves at different capacitance values for a super-surface unit employed in an embodiment of the present invention;
FIG. 6 is a graph showing the amplitude distribution of transmitted electromagnetic waves at different capacitance values for a super-surface unit used in an embodiment of the present invention;
FIG. 7 is a phase distribution of transmitted electromagnetic waves at different capacitance values for a super-surface unit employed in an embodiment of the present invention;
FIG. 8 is a super-surface structure diagram of an embodiment of the present invention;
FIG. 9 is a schematic diagram of a super-surface array according to an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the present invention provides a full-space electromagnetic regulation super-surface unit, which comprises a top layer, a middle layer 103 and a bottom layer, which are sequentially stacked;
the top layer comprises a top layer medium 102 and a top layer metal patch 101 arranged on the upper surface of the top layer medium 102;
the middle layer 103 comprises two layers of middle media and transmission line structures; the upper surface and the lower surface of the two layers of intermediate medium 103 are respectively provided with a first intermediate patch 105 and a second intermediate patch 106, and the transmission line structure is arranged between the two layers of intermediate medium;
the bottom layer includes a bottom layer medium 107 and a bottom layer metal patch 104 disposed on a lower surface of the bottom layer medium 107.
Therefore, the invention designs a super-surface unit based on a coupling-transmission-decoupling structure, which comprises five metal structures and four layers of media and can be divided into a coupling part, a transmission part and a decoupling part, and the control of the amplitude, the phase and the polarization of the transflective electromagnetic wave can be realized by designing different parts of the super-surface.
In order to adjust the amplitude and phase characteristics of the reflected and transmitted electromagnetic waves of the super-surface unit and realize real-time adjustment of the transflective electromagnetic wave beams, an adjustable element (a variable capacitance diode, a pin diode, a radio frequency switch and the like) is added in the super-surface transmission layer, and the amplitude and phase of the reflected and transmitted electromagnetic waves can be adjusted and controlled by adjusting the parameter of the adjustable element.
The first electromagnetic wave coupling/decoupling part 1, the transmission layer 2 and the second electromagnetic wave coupling/decoupling part 3 are in radio frequency connection through a transmission column, and the transmission column is connected with the first patch, the adjustable element 23 and the second patch;
or the first electromagnetic wave coupling/decoupling part 1, the transmission layer 2 and the second electromagnetic wave coupling/decoupling part 3 are in radio frequency connection in a gap coupling mode.
Specifically, as shown in fig. 2, the transmission line structure includes a metal transmission line 205 disposed on an intermediate medium 201, metal through holes 203 are disposed at two ends of the metal transmission line 205, the adjustable element 23 is connected in parallel with the metal transmission line 205, and the adjustable element 23 passes through two layers of intermediate media through a ground short-circuit column 202 and is respectively connected to the first intermediate patch 105 and the second intermediate patch 106;
the transmission column passes through the metal through hole 203 on the metal transmission line 205 to be connected with the top metal patch 101, the first middle patch 105, the second middle patch 106 and the bottom metal patch 104.
The whole size of the super-surface unit is small, the unit period is 0.29 working wavelengths, and the unit thickness is 0.059 working wavelengths.
Examples
The full-space electromagnetic control transflective super-surface unit adopted by the invention is shown in figure 1. The super-surface unit comprises five metal structures and four dielectric layers, 101 and 104 are metal patches on a top layer and a bottom layer respectively, the sizes of the metal patches are 16mm multiplied by 16mm, 105 and 106 are metal grounds, the sizes of the metal grounds are 18.5mm multiplied by 18.5mm, round isolation holes with the diameter of 0.8mm are arranged on the ground, the ground of a middle layer is ensured not to be directly connected with metal through holes, 103 is the middle layer of the super-surface unit and comprises two layers of dielectric and transmission line structures (figure 2), the sizes of the dielectric layers are 18.5mm multiplied by 0.254mm, the dielectric constant is 3.48, the sizes of 102 and 107 are 18.5mm multiplied by 1.524mm, and the dielectric constant is 3.48.
Fig. 2 shows an intermediate layer structure of the super-surface unit, 201 is a dielectric plate of the intermediate layer, 202 is a grounding short-circuit column, the diameter of which is 0.4mm, 203 is a metal through hole with a diameter of 0.4mm, and is connected with the top layer patch through an isolation hole on the ground, 204 is a varactor, by changing its capacitance value, the amplitude and phase of the transmitted and reflected electromagnetic waves can be adjusted, 205 is a metal transmission line part of the intermediate layer stripline, the width of which is 1.2 mm. The control of the working frequency of the super-surface array unit can be realized more directly by changing related structures such as the unit size, the dielectric constant of the dielectric plate and the like.
Through the design of the embodiment of the invention, different parts of the unit keep a better matching state, and fig. 3 is a simulation result when the super-surface unit is not loaded with a variable capacitance diode, and the full-transparent state shows that the upper layer patch, the transmission line structure and the bottom layer patch keep a better matching state.
When the capacitance value of the varactor is changed, the reflection amplitude and the transmission amplitude and the phase of the electromagnetic wave are correspondingly changed, fig. 4 shows the distribution condition of the reflection amplitude of the super surface under different capacitance values, and fig. 5 shows the distribution condition of the reflection phase of the super surface under different capacitance values; it can be seen that the reflection amplitude and the phase of the super surface are well regulated and controlled by adjusting the capacitance value of the varactor. FIG. 6 shows the distribution of the transmission amplitude of the super-surface at different capacitance values, and FIG. 7 shows the distribution of the transmission phase of the super-surface at different capacitance values; it can be seen that the transmission amplitude and the phase of the super surface can be well regulated and controlled by adjusting the capacitance value of the variable capacitance diode.
Fig. 7 shows an arrangement of the super-surface array, and independent adjustment and control of the transflective electromagnetic wave beams can be simultaneously achieved by adjusting the adjustment and control effects of different units on the amplitudes, phases and polarizations of the reflected waves and the transmitted waves.
In the invention, after relevant parameters of the super-surface unit are adjusted, the following steps can be realized:
and a, regulating and controlling the amplitude, the phase and the polarization characteristics of the reflected wave and the transmitted wave at the same time.
And b, realizing independent regulation and control of reflected waves and transmitted waves.
In an optimal technical scheme, the working frequency band of the super-surface unit can be adjusted flexibly by adjusting the period of the super-surface unit, the size of the related metal structure and the dielectric constant of the dielectric layer.
In a preferred technical scheme, one end of the adjustable element can be connected with the middle transmission layer metal wire, the other end of the adjustable element is connected with the short-circuit column connected with the ground, and related parameters of the adjustable element can be controlled by adding different voltages between the part connected with the transmission line structure and the ground. Thereby realizing the control of the amplitude and the phase of the electromagnetic wave.
The invention also discloses a super surface capable of simultaneously regulating and controlling the amplitude, the phase and the polarization state of the reflected and transmitted electromagnetic waves, wherein the top layer and the bottom layer of the super surface unit are square patches, the middle component layer is a strip line, and the dielectric constants of the four layers of dielectric plates are both 3.48. The strip line intermediate layer is connected with a variable capacitance diode in parallel to regulate and control the amplitude and the phase of the electromagnetic wave.
Specifically, as shown in fig. 8, the total-space electromagnetic control super-surface of the present invention includes a first electromagnetic wave coupling/decoupling portion 1, a transmission layer 2, and a second electromagnetic wave coupling/decoupling portion 3, which are sequentially disposed;
the surface of the first electromagnetic wave coupling/decoupling part 1 is provided with a first patch which is used for coupling 11 space electromagnetic waves and decoupling 12 guided electromagnetic waves and can realize polarization regulation and control of reflected or transmitted electromagnetic waves;
the transmission layer 2 is conducted with the first electromagnetic wave coupling/decoupling part 1 and the second electromagnetic wave coupling/decoupling part 3 through a transmission line structure, and the transmission layer 2 is provided with an adjustable element 23 which is used for dividing guided electromagnetic waves in the transmission line structure into reflected waves 22 and transmitted waves 21 and regulating and controlling amplitude and phase;
the second electromagnetic wave coupling/decoupling portion 3 has a second patch for realizing coupling 31 of the spatial electromagnetic wave and decoupling 32 of the guided electromagnetic wave and polarization control of the reflected or transmitted electromagnetic wave.
The first electromagnetic wave coupling/decoupling part 1, the transmission layer 2 and the second electromagnetic wave coupling/decoupling part 3 are supported by transmission columns with gaps left, and the transmission columns are connected with the first patch, the adjustable element 23 and the second patch.
As shown in fig. 9, the full-space electromagnetic control super-surface is formed by regularly arranging a plurality of different super-surface units. The super-surface unit adopts the full-space electromagnetic regulation super-surface unit.
The super surface unit comprises a top layer, a middle layer 103 and a bottom layer;
the top layer comprises a top layer medium 102 and a top layer metal patch 101 arranged on the upper surface of the top layer medium 102;
the middle layer 103 comprises two layers of middle media and transmission line structures; the upper surface and the lower surface of the two layers of intermediate medium 103 are respectively provided with a first intermediate patch 105 and a second intermediate patch 106, and the transmission line structure is arranged between the two layers of intermediate medium;
the bottom layer includes a bottom layer medium 107 and a bottom layer metal patch 104 disposed on a lower surface of the bottom layer medium 107.
The invention has a unit structure of the super-surface array which can simultaneously regulate and control the amplitude, the phase and the polarization of the transmitted electromagnetic wave and the reflected electromagnetic wave. The design of the super-surface unit is based on a coupling-transmission-decoupling structure, electromagnetic waves in free space are received through the coupling of the patches on any side, and guided waves formed through coupling can be conducted to the strip line of the middle layer through properly adjusting the feeding positions of the patches and the middle layer. The amplitude and phase of the reflected and transmitted electromagnetic waves can be controlled by adjusting the adjustable element on the transmission line, the electromagnetic waves guided by the middle layer can be divided into reflected electromagnetic waves and transmitted electromagnetic waves under the action of the adjustable element, and are respectively transmitted to the patches on the two sides of the super-surface unit, and are decoupled and radiated to a free space by the patches. The polarization state of the reflected and transmitted electromagnetic waves can be adjusted by adjusting the feed points of the top layer patch and the bottom layer patch.
The first electromagnetic wave coupling/decoupling part 1 can realize coupling 11 of space electromagnetic waves and decoupling 12 of guided electromagnetic waves through devices such as patches and the like and can realize polarization regulation and control of reflected or transmitted electromagnetic waves;
the transmission layer 2 can divide guided electromagnetic waves in the transmission line into reflected waves 22 and transmitted waves 21 by using the adjustable element 23, and regulate and control the amplitude and the phase of the reflected waves and the transmitted waves;
the second electromagnetic wave coupling/decoupling part 3 can realize the coupling 31 of the space electromagnetic wave and the decoupling 32 of the guided electromagnetic wave and can realize the polarization regulation and control of the reflected or transmitted electromagnetic wave; (ii) a
The first electromagnetic wave coupling/decoupling portions 1 and 3 can both achieve coupling (reception) and decoupling (radiation) of electromagnetic waves.
The invention simultaneously regulates and controls the amplitude, the phase and the polarization of transmission and reflection beams, and specifically comprises the following steps:
when the spatial electromagnetic wave irradiates the first electromagnetic wave coupling/decoupling part 1 or the second electromagnetic wave coupling/decoupling part 3, the part couples the spatial electromagnetic wave into a guided electromagnetic wave, and the guided electromagnetic wave is conducted to the transmission layer 2, and under the action of the adjustable element 23 in the transmission layer 2, the guided electromagnetic wave is divided into a transmitted wave 21 and a reflected wave 22, and the amplitude and the phase of the guided electromagnetic wave are both regulated and controlled by the adjustable element 23. The generated reflected wave and transmitted wave are radiated into the space by the first electromagnetic wave coupling/decoupling portion 1 or the second electromagnetic wave coupling/decoupling portion 3. The polarization state of the transflective electromagnetic wave can be controlled by the first electromagnetic wave coupling/decoupling portion 1 and the second electromagnetic wave coupling/decoupling portion 3.
It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no precedence between the two is considered as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided would be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of subject matter that is disclosed herein is not intended to forego such subject matter, nor should the applicant consider that such subject matter is not considered part of the disclosed subject matter.
Claims (10)
1. A full-space electromagnetic regulation and control super surface is characterized by comprising a first electromagnetic wave coupling/decoupling part (1), a transmission layer (2) and a second electromagnetic wave coupling/decoupling part (3) which are sequentially arranged;
the surface of the first electromagnetic wave coupling/decoupling part (1) is provided with a first patch which is used for coupling (11) space electromagnetic waves and decoupling (12) guided electromagnetic waves and can realize polarization regulation and control of reflected or transmitted electromagnetic waves;
the transmission layer (2) is conducted with the first electromagnetic wave coupling/decoupling part (1) and the second electromagnetic wave coupling/decoupling part (3) through a transmission line structure, and the transmission layer (2) is provided with an adjustable element (23) which is used for dividing guided electromagnetic waves in the transmission line structure into reflected waves (22) and transmitted waves (21) and regulating and controlling amplitude and phase;
the second electromagnetic wave coupling/decoupling part (3) is provided with a second patch for realizing the coupling (31) of the space electromagnetic wave and the decoupling (32) of the guided electromagnetic wave and reflecting or transmitting the polarization regulation of the electromagnetic wave;
the first patch and the second patch are connected with the transmission line structure in a radio frequency mode.
2. The full-space electromagnetic modulation super-surface according to claim 1, wherein the first electromagnetic wave coupling/decoupling portion (1), the transmission layer (2) and the second electromagnetic wave coupling/decoupling portion (3) are in radio frequency connection through a transmission column, and the transmission column is connected with the first patch, the adjustable element (23) and the second patch;
or the first electromagnetic wave coupling/decoupling part (1), the transmission layer (2) and the second electromagnetic wave coupling/decoupling part (3) are in radio frequency connection in a gap coupling mode.
3. The full-space electromagnetically modulated super-surface as claimed in claim 1, wherein said full-space electromagnetically-modulated super-surface is formed by a regular arrangement of a plurality of super-surface units.
4. The full-space electromagnetic control super-surface according to claim 3, wherein the super-surface unit comprises a top layer, a middle layer (103) and a bottom layer which are sequentially stacked;
the top layer comprises a top layer medium (102) and a top layer metal patch (101) arranged on the upper surface of the top layer medium (102);
the intermediate layer (103) comprises two layers of intermediate medium and the transmission line structure; the upper surface and the lower surface of the two layers of intermediate mediums (103) are respectively provided with a first intermediate patch (105) and a second intermediate patch (106), and the transmission line structure is arranged between the two layers of intermediate mediums;
the bottom layer comprises a bottom layer medium (107) and a bottom layer metal patch (104) arranged on the lower surface of the bottom layer medium (107).
5. The full-space electromagnetic regulation super-surface according to claim 4, wherein the transmission line structure comprises a metal transmission line (205) arranged on the intermediate medium (201), metal through holes (203) are arranged at two ends of the metal transmission line (205), the adjustable element (23) is connected in parallel with the metal transmission line (205), and the adjustable element (23) is connected with the first intermediate patch (105) and the second intermediate patch (106) through the two layers of intermediate medium by the grounding short-circuit column (202);
the transmission column penetrates through a metal through hole (203) on a metal transmission line (205) to be connected with the top layer metal patch (101), the first middle patch (105), the second middle patch (106) and the bottom layer metal patch (104).
6. A full-space electromagnetic conditioning super-surface according to claim 4, wherein the dielectric constants of the intermediate medium, the top medium (102) and the bottom medium (107) are all 3.48.
7. A full-space electromagnetically-modulated super-surface according to claim 4, characterized in that said adjustable element (23) is a varactor, a pin diode or a radio frequency switch.
8. A full-space electromagnetic regulation super-surface unit is characterized by comprising a top layer, a middle layer (103) and a bottom layer which are sequentially stacked;
the top layer comprises a top layer medium (102) and a top layer metal patch (101) arranged on the upper surface of the top layer medium (102);
the middle layer (103) comprises two layers of middle media and transmission line structures; the upper surface and the lower surface of the two layers of intermediate mediums (103) are respectively provided with a first intermediate patch (105) and a second intermediate patch (106), and the transmission line structure is arranged between the two layers of intermediate mediums;
the bottom layer comprises a bottom layer medium (107) and a bottom layer metal patch (104) arranged on the lower surface of the bottom layer medium (107).
9. The full-space electromagnetic regulation super-surface unit according to claim 8, wherein the transmission line structure comprises a metal transmission line (205) disposed on the intermediate medium (201), metal through holes (203) are disposed at two ends of the metal transmission line (205), the tunable element (23) is connected in parallel with the metal transmission line (205), and the tunable element (23) is connected to the first intermediate patch (105) and the second intermediate patch (106) through the two layers of intermediate medium via the ground shorting post (202);
the transmission column penetrates through a metal through hole (203) on a metal transmission line (205) to be connected with the top layer metal patch (101), the first middle patch (105), the second middle patch (106) and the bottom layer metal patch (104).
10. A full-space electromagnetically-modulated super-surface unit according to claim 8, characterized in that said adjustable element (23) is a varactor, a pin diode or a radio frequency switch.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115441203A (en) * | 2022-09-13 | 2022-12-06 | 中国人民解放军空军工程大学 | Transflective full-rotation-direction decoupling multifunctional super-surface integrated device and design method thereof |
| CN117013268A (en) * | 2023-09-06 | 2023-11-07 | 安徽大学 | Self-adaptive energy-frequency integrated interference elimination super-structure electromagnetic structure |
| WO2024027627A1 (en) * | 2022-08-02 | 2024-02-08 | 华为技术有限公司 | Electromagnetic reflection apparatus and base station |
-
2022
- 2022-03-16 CN CN202210260185.4A patent/CN114583462A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024027627A1 (en) * | 2022-08-02 | 2024-02-08 | 华为技术有限公司 | Electromagnetic reflection apparatus and base station |
| CN115441203A (en) * | 2022-09-13 | 2022-12-06 | 中国人民解放军空军工程大学 | Transflective full-rotation-direction decoupling multifunctional super-surface integrated device and design method thereof |
| CN115441203B (en) * | 2022-09-13 | 2023-09-12 | 中国人民解放军空军工程大学 | Transflective total-rotation decoupling multifunctional super-surface integrated device and design method thereof |
| CN117013268A (en) * | 2023-09-06 | 2023-11-07 | 安徽大学 | Self-adaptive energy-frequency integrated interference elimination super-structure electromagnetic structure |
| CN117013268B (en) * | 2023-09-06 | 2024-05-31 | 安徽大学 | Self-adaptive energy-frequency integrated interference elimination super-structure electromagnetic structure |
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