CN109687140B - Two-dimensional scanning varactor active super-surface antenna housing - Google Patents
Two-dimensional scanning varactor active super-surface antenna housing Download PDFInfo
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- CN109687140B CN109687140B CN201811615073.6A CN201811615073A CN109687140B CN 109687140 B CN109687140 B CN 109687140B CN 201811615073 A CN201811615073 A CN 201811615073A CN 109687140 B CN109687140 B CN 109687140B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q1/422—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/36—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters
Abstract
The invention discloses a two-dimensional scanning varactor active super-surface radome, which comprises a two-dimensional scanning array and a gasket; the two-dimensional scanning array is an active super surface of a multilayer varactor, and layers are separated by a gasket; the two-dimensional scan array consists of two one-dimensional scan arrays: the X-direction scanning array and the Y-direction scanning array are formed by overlapping in the z direction, the y direction is used as an incident wave polarization direction, the z direction is used as an incident wave propagation direction, and the varactor bias line directions in the two one-dimensional scanning arrays are both in the x direction. The antenna housing realizes two-dimensional scanning by changing the bias voltage of the variable capacitance tubes in the two-dimensional scanning array, the two-dimensional scanning array realizes two-dimensional scanning by the one-dimensional scanning array realized by two groups of variable capacitance tube active super surfaces, the scanning directions of the two groups of one-dimensional scanning arrays are mutually orthogonal and are longitudinally overlapped, and the method can effectively reduce the process complexity and the realization cost of the super surface in the large-scale two-dimensional scanning array.
Description
Technical Field
The invention belongs to the technical field of millimeter wave and terahertz communication, and particularly relates to a two-dimensional scanning varactor active super-surface radome.
Background
The millimeter wave is an electromagnetic wave with a frequency range of 30-300 GHz and a wavelength of 10-1 mm. Terahertz is a frequency band with a frequency range of 300 GHz-3 THz, and the wavelength of the terahertz is 1 mm-0.1 mm. The millimeter wave band and the terahertz frequency band have the characteristics of wide frequency band, high transmission rate, small equipment volume, small attenuation, strong penetrating power and the like, and are suitable for near-field point-to-point communication, satellite communication and the like. The antenna applied to the millimeter wave frequency band can better meet the application scene, namely the requirements of high convergence and high gain are met.
The super surface is a structure with the longitudinal thickness far smaller than the wavelength, adopts a plane periodic structure in the transverse direction, and realizes the adjustment of the phase, the amplitude and the polarization mode of reflected waves and transmitted waves by adjusting the structure of the arrangement units. The metamaterial is applied to a two-dimensional plane.
The traditional method for realizing electric control two-dimensional scanning is to use a phased array antenna, but because the phased array antenna is difficult to obtain good performance under millimeter wave and higher frequency, the invention adopts an active super surface to realize two-dimensional scanning. In order to realize two-dimensional scanning by utilizing a super surface, a common method needs to independently load a bias line for each unit and adjust the bias voltage of each unit according to an expected deflection angle, and as the array scale is increased, the number of the bias lines is inevitably increased along with the square multiple of the array scale, and the calculation amount is also overlarge due to independent control of the unit bias voltage.
Disclosure of Invention
The invention aims to provide a two-dimensional scanning varactor active super-surface antenna housing working in millimeter wave and terahertz frequency bands, which is used for solving the problems that the number of bias lines is increased along with the square times of the array size due to the fact that the number of bias lines is the same as the number of units in the active super-surface of the existing two-dimensional scanning varactor, and the number of bias lines is too large in a large-scale varactor active super-surface array.
The invention is solved by the following technical scheme: a two-dimensional scanning varactor active super-surface radome comprises a two-dimensional scanning array and a gasket; the two-dimensional scanning array is an active super surface of a multilayer varactor, and layers are separated by a gasket; the two-dimensional scan array consists of two one-dimensional scan arrays: the X-direction scanning array and the Y-direction scanning array are formed by overlapping in the z direction, the y direction is used as an incident wave polarization direction, the z direction is used as an incident wave propagation direction, and the bias line directions of the varactors in the two one-dimensional scanning arrays are both in the X direction.
Further, the incident wave of the antenna housing is a linearly polarized plane wave; the aperture size of the antenna housing is larger than the irradiation aperture of the incident plane wave.
Furthermore, the one-dimensional scanning array adopts a plurality of layers of varactor active super surfaces, each layer comprises a medium substrate, metal pattern units which are periodically arranged are etched on the lower surface of the medium substrate, each metal pattern unit is a square patch embedded in an outer square ring, and the outer square ring is connected with the inner square patch through two varactor diodes in opposite directions.
Furthermore, the one-dimensional scanning array adopts a plurality of layers of varactor active super surfaces, each layer comprises a medium substrate, metal pattern units which are periodically distributed are etched on the lower surface of the medium substrate, each metal pattern unit is an outer circular ring embedded with an inner circular patch, and the outer circular ring is connected with the inner circular patch through two varactor diodes in opposite directions.
Furthermore, a separation layer is arranged between two adjacent layers of the one-dimensional scanning array and is filled with air, foam or a dielectric substrate.
Furthermore, a resistor is connected between two adjacent metal pattern units of the x-direction scanning array along the y direction, the y direction is used as a column direction, and a bias line is loaded on one metal pattern unit of each column; the y-direction scanning array is connected with a microstrip between two adjacent metal pattern units along the x direction, the x direction is used as a row direction, and a bias line is loaded on one metal pattern unit in each row.
Compared with the prior art, the invention has the advantages that:
1. two one-dimensional scanning arrays are longitudinally superposed in a mode that the scanning directions are orthogonal, namely the electromagnetic wave propagation direction, and two groups of one-dimensional scanning arrays with orthogonal scanning directions are utilized to realize two-dimensional scanning in a certain angle range.
2. In order to realize two groups of one-dimensional scanning arrays in orthogonal scanning directions, a varactor active super-surface is adopted to realize the one-dimensional scanning array, wherein, one-dimensional scanning in a certain range can be realized by changing bias voltage; meanwhile, the bias line loading scheme adopts surface-mounted resistors and micro-strips, so that the number of bias lines can be effectively reduced.
3. In order to achieve a larger phase shift adjusting range under the condition of fewer layers, parameters of the super-surface unit in the two-dimensional scanning array are longitudinally and non-uniformly distributed.
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment scan array varactor active super-surface structure;
FIG. 2 is a schematic diagram of a dimension marking of an active super-surface unit structure of a two-dimensional scanning array varactor according to a preferred embodiment;
FIG. 3 shows the transmission wave transmittance and phase shift of the varactor active super-surface unit with the same adjustable parameter C in the two-dimensional scanning array of the preferred embodimentpThe relationship of (1);
FIG. 4 is a schematic diagram of a preferred embodiment x-direction scan array varactor active super-surface cell bias line loading scheme;
FIG. 5 is a schematic diagram of a preferred embodiment y-direction scan array varactor active super-surface cell bias line loading scheme;
FIG. 6 is a schematic diagram of a preferred embodiment focusing lens super-surface structure;
FIG. 7 is a diagram illustrating the dimensioning of the super-surface unit structure of the focusing lens in accordance with the preferred embodiment;
FIG. 8 shows the transmission wave transmittance and phase shift of the super-surface unit of the focusing lens with the same tunable parameter wiThe relationship simulation result of (1);
FIG. 9 is a preferred embodiment focusing lens super surface array design;
FIG. 10 is a schematic diagram of a preferred embodiment two-dimensional scanning varactor active super-surface electromagnetic lens antenna focusing lens, two-dimensional scanning array, and horn antenna;
FIG. 11 is a schematic diagram of the preferred embodiment of the two-dimensional scanning varactor active super-surface electromagnetic lens antenna focusing lens, the two-dimensional scanning array and the horn antenna relative position dimension labeling;
FIG. 12 is a schematic diagram of an assembly relationship of a focusing lens, a two-dimensional scanning array, a support structure, and a horn antenna in the preferred embodiment two-dimensional scanning varactor active super-surface lens antenna;
in the figure: the device comprises a focusing lens 1, a two-dimensional scanning array 2, a gasket 3, a support column 4, a horn antenna 5, a base 6, an x-direction scanning array 7 and a y-direction scanning array 8.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments.
Example 1
The two-dimensional scanning varactor active super-surface radome provided by the embodiment comprises a two-dimensional scanning array 2 and a gasket 3. The two-dimensional scanning array 2 is an active super surface of a multilayer varactor and is separated by a gasket 3; the two-dimensional scan array 2 consists of two one-dimensional scan arrays: the x-direction scanning array 7 and the y-direction scanning array 8 are formed by overlapping in the z direction, the y direction is used as an incident wave polarization direction, the z direction is used as an incident wave propagation direction, and the bias line directions of the varactors in the two one-dimensional scanning arrays are both in the x direction.
Further, the incident wave of the antenna housing is a linearly polarized plane wave; the aperture size of the antenna housing is larger than the irradiation aperture of the incident plane wave.
Further, the one-dimensional scan array can adopt the following two ways:
the first method is as follows: the one-dimensional scanning array adopts a plurality of layers of varactor active super surfaces, each layer comprises a medium substrate, metal pattern units which are periodically distributed are etched on the lower surface of the medium substrate, each metal pattern unit is a square patch embedded in an outer square ring, and the outer square ring is connected with the inner square patch through two varactor diodes in opposite directions;
the second method comprises the following steps: the one-dimensional scanning array adopts a plurality of layers of varactor active super surfaces, each layer comprises a medium substrate, metal pattern units which are periodically distributed are etched on the lower surface of the medium substrate, each metal pattern unit is an outer circular ring embedded with an inner circular patch, and the outer circular ring is connected with the inner circular patch through two varactor diodes in opposite directions.
Furthermore, a separation layer is arranged between two adjacent layers of the one-dimensional scanning array and is filled with air, foam or a dielectric substrate.
Furthermore, a resistor is connected between two adjacent metal pattern units of the x-direction scanning array 7 along the y-direction, the y-direction is taken as the column direction, and a bias line is loaded on one of the metal pattern units in each column; the y-direction scanning array 8 is connected with a microstrip between two adjacent metal pattern units along the x-direction, the x-direction is used as a row direction, and a bias line is loaded on one metal pattern unit in each row.
Referring to fig. 1 and 2, fig. 1 is a schematic diagram of a two-dimensional scan array 2 varactor active super-surface structure according to a preferred embodiment of the present invention; fig. 2 is a schematic diagram of dimension labeling of a two-dimensional scan array 2 varactor active super-surface unit structure in a preferred embodiment of the present invention. The varactor active super surface of the two-dimensional scanning array 2 adopts a six-layer structure, and each layer is arranged periodicallyRow unit composition, in fig. 1(a) and fig. 2(a), the unit adopts outer square frame nested central square patch pattern, and the side length is w with the width of t and the period of p is etched on the printing medium plateoAnd a side length of wiThe variable capacitance diode is connected between the outer ring and the patch; in the figure 1(b) and figure 2(b), the unit adopts the pattern that the outer circular frame is nested with the central circular patch, and the outer diameter w with the width t is etched on the printing medium plate by the period poAnd a metal outer ring of diameter wiAnd a varactor is connected between the outer ring and the patch. The interlayer is a separation layer filled with air and has a thickness g. The phase shift through the cell is adjusted by adjusting the bias voltage of the varactor diode to change its equivalent capacitance.
In the preferred embodiment, the varactor active super-surface unit size of the two-dimensional scan array 2 adopts an outer square ring nested inner square patch structure, where p is 5.00mm, and w iso＝4.90mm，wi3.40mm, t 0.30mm, g 3.00 mm. The substrate is Rogers RT5880 with a thickness of 0.127mm and a dielectric constant epsilonr2.2. Equivalent capacitance C of varactor through unit phase shift and unit transmissivitypThe relationship is shown in fig. 3. Optimizing g, w simultaneouslyiAnd CpSo that the phase shift is non-uniformly distributed along the z direction, and a larger phase shift adjusting range is obtained.
The two-dimensional scanning array 2 comprises two scanning arrays with orthogonal scanning directions, a single scanning array on a lens plane realizes the deflection angle of a wave beam in the scanning direction by forming a transmission phase gradient in the scanning direction, and the size and the direction of the phase gradient of the varactor active super surface are changed by changing a bias voltage to realize scanning. Accordingly, in the varactor active super-surface array design of the two-dimensional scanning array 2 according to the preferred embodiment of the present invention, the calculation formula of the phase shift difference between the transmitted wave of any position unit and the phase shift of the adjacent unit in the scanning direction is as follows:
wherein
Phase difference of phase shift is designed for adjacent units in the scanning direction, p is a unit arrangement period, gamma is a beam deflection angle, lambda is the wavelength in vacuum at the frequency, and m is any integer. Accordingly, two-dimensional scanning can be realized by stacking two sets of scanning arrays whose scanning directions are orthogonal in the longitudinal direction. An x-y coordinate system is established according to the scanning directions of the two groups of lenses, and the scanning directions of the two groups of scanning arrays are the x direction and the y direction respectively.
Referring to fig. 4 and 5, fig. 4 is a schematic diagram illustrating an x-direction scan array 7 varactor active super-surface cell bias line loading scheme in a preferred embodiment of the present invention; fig. 5 is a y-direction scan array 8 varactor active super surface cell bias line loading scheme. The super-surface units of the x-direction scanning array 7 are connected by surface mounted resistors between adjacent units in the y direction, the y direction is taken as a column direction, and a bias line is loaded on one metal pattern unit in each column; the y-direction scanning array 8 has its cells connected by micro-strips between adjacent cells in the x-direction, the x-direction being the row direction, and the bias line loaded on one of the metal pattern cells in each row.
Example 2
The varactor active super-surface electromagnetic lens antenna provided in this embodiment includes the two-dimensional scanning varactor active super-surface radome described in embodiment 1, a focusing lens 1, a support column 4, a horn antenna 5, and a base 6; the two-dimensional scanning array 2, the focusing lens 1 and the supporting column 4 are sequentially connected through a gasket 3, the supporting column 4 is fixed on a base 6, the horn antenna 5 is fixed on the base 6, and a horn mouth of the horn antenna 5 faces the focusing lens 1; the two-dimensional scanning array 2 consists of two one-dimensional scanning arrays: the x-direction scanning array 7 and the y-direction scanning array 8 are formed by overlapping in the z direction, the y direction is used as the polarization direction, the z direction is used as the lens symmetry axis direction, and the bias line directions of the two one-dimensional scanning arrays are both in the x direction.
Furthermore, the support column 4 is cylindrical, the gasket 3 is annular, the support column 4 and the gasket 3 are made of ABS plastic, and the inner wall of the support column 4 is adhered with a wave-absorbing material.
Furthermore, the focusing lens 1 adopts a plurality of layers of super surfaces, each layer comprises a dielectric substrate, metal pattern units which are periodically arranged are etched on the lower surface of the dielectric substrate, and each metal pattern unit is an outer square ring and an inner square ring; and a separation layer is arranged between two adjacent layers and is filled with air or other media.
Further, the dielectric substrate of the focusing lens 1 adopts Rogers RT5880, the dielectric constant is 2.2, and the loss tangent is 0.0009.
Further, by adjusting the size of the outer square ring, the size of the inner square ring, the size of the dielectric substrate, the thickness of the partition layer and the distance between adjacent metal pattern units, the transmissivity of the focusing lens 1 is better than-1 dB, and the adjustable phase shift range is larger than 360 degrees.
Further, the side length of the inner square ring of the metal pattern unit is designed so that the phase shift of the unit can compensate the phase shift to be compensated for at that position in the array design.
The super surface is a structure with longitudinal thickness far smaller than wavelength and a horizontal plane periodic structure, and the phase, amplitude and polarization of reflected waves and transmitted waves can be adjusted by adjusting the structure of the arrangement units. The super-surface lens of the focusing lens 1 enables the emergent surface to be an equiphase surface and the emergent wave to be a plane wave by compensating the phase of the incident surface so as to achieve focusing. The two-dimensional scanning array varactor active super-surface enables an emergent surface to form a phase gradient by adjusting the phase shift of unit transmitted waves in the array, emergent waves deviate by a certain angle, and scanning within a certain angle range is realized by changing the bias voltage of the unit.
Example 3
The varactor active super-surface electromagnetic lens antenna provided in this embodiment includes the two-dimensional scanning varactor active super-surface radome described in embodiment 1. In the preferred embodiment of the invention, the varactor active super-surface electromagnetic lens antenna works in the Ka frequency band.
Referring to fig. 6 and 7, fig. 6 is a schematic diagram of a super-surface structure of the focusing lens 1 according to the preferred embodiment of the present invention; FIG. 7 is a schematic diagram illustrating the structural dimensions of the super-surface unit of the focusing lens 1 according to the preferred embodiment of the present invention. Wherein the focusing lens 1 adopts a four-layer super-meterAnd each layer of the surface structure is composed of units which are periodically arranged. In FIG. 6, the unit has a square ring structure, a square metal ring with a width t is etched on a printing medium plate with a period p, and the side length w of the inner ringiLength w of outer ring sideoAnd the interlayer spacing g is used for adjusting the phase shift of the passing unit by adjusting the inner ring while keeping the size of the outer ring.
In the preferred embodiment, the super-surface unit size of the focusing lens 1 is 5.00mm, wo4.80mm, t 0.20mm, g 3.00 mm. The substrate is Rogers RT5880, the thickness is 0.127mm, and the dielectric constant is epsilonr2.2. The phase shift through the cell versus the cell transmittance versus the inner ring edge length is shown in fig. 8. Ensuring | S21>Inner ring side length w under-1 dBiThe value range of (a) is between 0.6 and 2.0mm and between 3.0 and 4.6 mm. Optimizing g and w simultaneouslyiSo that the phase shift is non-uniformly distributed along the z direction, and a larger phase shift adjusting range is obtained.
Referring to FIG. 8, since the phase shift can be arbitrarily designed in the preferred embodiment, it can correspond to a kind of ring width w in the celliAccordingly, the focusing lens 1 with the aperture D and the focal length f can be designed.
Referring to fig. 9, the phase difference calculation formula of the unit design compensation phase at a certain position and the unit design compensation phase at a central position of the super-surface array of the focusing lens 1 is as follows:
wherein
The compensating phase shift is designed for a certain position unit, the phase difference of the compensating phase shift is designed for a central position unit, f is the focal length of the focusing lens, d is the distance between the unit position and the central lens in the figure 9, lambda is the wavelength in vacuum under the frequency, and m is any integer.
Referring to fig. 10 and 11, fig. 10 is a schematic diagram illustrating a relative position relationship between the two-dimensional scanning varactor active super-surface radome, the focusing lens 1 and the horn antenna 5 according to the preferred embodiment of the present invention; fig. 11 is a schematic diagram illustrating relative position and size labeling of the two-dimensional scanning varactor active super-surface radome, the focusing lens 1 and the horn antenna 5. The distances between the x-direction scanning array 7, the y-direction scanning array 8 and the focusing lens 1 are all 8.5mm, the lens caliber D is 60mm, and the focal length f is 60 mm.
Referring to fig. 12, fig. 12 is a schematic diagram illustrating an assembly relationship among the spacer 3, the support pillar 4, and the horn antenna 5 in the two-dimensional scanning varactor active super-surface radome in the varactor active super-surface electromagnetic lens according to the preferred embodiment of the present invention. The two-dimensional scanning array 2 and the focusing lens 1 in the two-dimensional scanning varactor active super-surface antenna housing are fixed by a gasket 3, and meanwhile, a separation layer with a certain thickness is manufactured and filled with air or other media; two-dimensional scanning array 2, focusing lens 1, support column 4 all connect gradually through gasket 3, and the support column 4 other end is fixed on base 6, and horn antenna 5 also fixes at base 6 central authorities simultaneously, and horn mouth orientation focusing lens 1 of horn antenna 5. The gasket 3 and the support column 4 are made of ABS plastic. The inner wall of the support column 4 is pasted with wave-absorbing materials.
One skilled in the art can, using the teachings of the present invention, readily make various changes and modifications to the invention without departing from the spirit and scope of the invention as defined by the appended claims. Any modifications and equivalent variations of the above-described embodiments, which are made in accordance with the technical spirit and substance of the present invention, fall within the scope of protection of the present invention as defined in the claims.
Claims (5)
1. A two-dimensional scanning varactor active super-surface radome is characterized by comprising a horn antenna, a super-surface lens antenna, a two-dimensional scanning array and a gasket; the two-dimensional scanning array is an active super surface of a multilayer varactor, and layers are separated by a gasket; the two-dimensional scanning array consists of two one-dimensional scanning arrays: the X-direction scanning array and the Y-direction scanning array are formed by overlapping in the z direction, the y direction is used as an incident wave polarization direction, the z direction is used as an incident wave propagation direction, and the bias line directions of the varactors in the two one-dimensional scanning arrays are both in the X direction; the horn antenna and the super-surface lens antenna are used for generating linearly polarized plane waves; the horn, the super-surface lens and the two-dimensional scanning array are integrated into a whole through the cylindrical support column; the x-direction scanning array is connected with a resistor between two adjacent metal pattern units along the y direction, the y direction is used as a column direction, and a bias line is loaded on one metal pattern unit in each column; the y-direction scanning array is connected with a microstrip between two adjacent metal pattern units along the x direction, the x direction is used as a row direction, and a bias line is loaded on one metal pattern unit in each row.
2. A two-dimensional scanning varactor active super surface radome of claim 1 wherein the incident wave of the radome is a linearly polarized plane wave; the aperture size of the antenna housing is larger than the irradiation aperture of the incident plane wave.
3. The two-dimensional scanning varactor active super-surface radome of claim 1, wherein the one-dimensional scanning array adopts a multilayer varactor active super-surface, each layer comprises a dielectric substrate, metal pattern units are periodically arranged on the lower surface of the dielectric substrate in an etching mode, each metal pattern unit is a square patch embedded in an outer square ring, the outer square ring and the inner square patch are connected through two varactors in opposite directions, and the sizes of the inner square patches and capacitance values Cp are non-uniformly distributed in the z direction.
4. The two-dimensional scanning varactor active super-surface radome of claim 1, wherein the one-dimensional scanning array adopts a plurality of layers of varactor active super-surfaces, each layer comprises a dielectric substrate, metal pattern units are periodically arranged on the lower surface of the dielectric substrate in an etching mode, each metal pattern unit is an outer circular ring embedded with an inner circular patch, the outer circular ring and the inner circular patch are connected through two varactor diodes in opposite directions, and the sizes of the inner circular patches and capacitance values Cp are non-uniformly distributed in a z direction.
5. The two-dimensional scanning varactor active super-surface radome of claim 1, wherein two adjacent layers of the one-dimensional scanning array are separation layers filled with air, foam or dielectric substrates, and the separation distance between the separation layers is non-uniformly distributed along the z direction.
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| CN110412361A (en) * | 2019-07-26 | 2019-11-05 | 西安交通大学 | A kind of quasi-plane wave generator and production method based on passive space phase regulator |
| CN112821061A (en) * | 2019-11-18 | 2021-05-18 | 上海华为技术有限公司 | Beam direction adjusting method and device and antenna system |
| CN111864399B (en) * | 2020-06-03 | 2021-12-24 | 东南大学 | Dual-channel independently programmable super surface and control method thereof |
| CN113644451B (en) * | 2020-07-01 | 2023-10-27 | 浙江大学 | Active super-surface unit and reconfigurable super-surface polarization controller comprising same |
| CN112701479B (en) * | 2020-12-15 | 2021-11-02 | 四川大学 | Non-diffraction phase-shift super-surface antenna with deflectable beam direction |
| CN113517563A (en) * | 2021-04-06 | 2021-10-19 | 浙江大学 | Active super surface wave beam scanning structure |
| CN115603064B (en) * | 2022-11-28 | 2023-03-07 | 中国人民解放军国防科技大学 | Reflecting surface antenna with field gain variation and protection method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752662A (en) * | 2010-01-13 | 2010-06-23 | 东南大学 | Two-dimensional electric scanning lens antenna |
| CN102882001A (en) * | 2012-09-25 | 2013-01-16 | 中国科学院光电技术研究所 | Antenna housing for implementing antenna beamwidth switching by using artificial structure material |
| CN103474775A (en) * | 2013-09-06 | 2013-12-25 | 中国科学院光电技术研究所 | Phased-array antenna based on dynamic-regulating artificial electromagnetic structural materials |
-
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752662A (en) * | 2010-01-13 | 2010-06-23 | 东南大学 | Two-dimensional electric scanning lens antenna |
| CN102882001A (en) * | 2012-09-25 | 2013-01-16 | 中国科学院光电技术研究所 | Antenna housing for implementing antenna beamwidth switching by using artificial structure material |
| CN103474775A (en) * | 2013-09-06 | 2013-12-25 | 中国科学院光电技术研究所 | Phased-array antenna based on dynamic-regulating artificial electromagnetic structural materials |
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