792 results about "Dielectric plate" patented technology

The invention discloses a radiation-receiving type low-profile dual-beam array antenna and a folding decoupling design method. The low-profile dual-beam array antenna is composed of a transmission metasurface, a polarization conversion metasurface and a horn feed source. The transmission metasurface is formed by periodically extending and arranging m * m radiation-receiving units in a plane at equal intervals, and efficient transmission and spin decoupling focusing phase regulation and control of electromagnetic waves of a specific frequency band are achieved. The radiation-receiving unit is composed of three layers of metal and two layers of dielectric plates. The polarization conversion metasurface is formed by periodically extending and arranging n * n polarization conversion units in a plane at equal intervals, and efficient reflection, polarization conversion and wave beam non-mirror image deflection phase regulation and control of electromagnetic waves of a specific frequency band are achieved. The polarization conversion unit is composed of two layers of metal and a layer of dielectric plate. The low-profile dual-beam array antenna provided by the invention can generate two independently regulated orthogonal circularly polarized waves through spin decoupling under the excitation of a circularly polarized wave feed source, and has the remarkable advantages of high aperture efficiency, low profile and the like.

A modular structure supports elevated rail segments for delivering electrical power to a moving work machine, such as a hauler at a mining site. Opposite ends of a roadside barrier contain complementary tubular couplers arranged vertically. A lower end of a dielectric post positioned in one of the tubular couplers has opposing dielectric plates at an upper end. A top edge of each plate has a creepage concavity between a pair of rail recesses. Another dielectric post of similar configuration is positioned in the other of the tubular couplers. Holes within the couplers and the posts ensure alignment of respective rail recesses in which conductive rails are placed. Dielectric inserts frictionally lock the rails into the rail recesses.

The invention discloses a co-packaging type optical engine module and networking. The co-packaged optical engine module comprises a photonic integrated chip and a processor bare core, and the photonic integrated chip is stacked above the processor bare core and electrically connected with the processor bare core; the photonic integrated chip is configured to transmit and receive data in an optical signal mode, and an optical signal transmitting and receiving end of the photonic integrated chip is located on one side far away from the processor bare core; the processor die is configured to process the data. According to the scheme provided by the invention, intermediate substrates such as a silicon dielectric plate and an adapter plate are canceled, the transmission path is further shortened, the data transmission efficiency is improved, in addition, the signal loss can be remarkably reduced by the tight coupling, and the high-speed signal integrity is improved.

The utility model discloses a double-frequency circularly polarized fusion antenna with a large frequency ratio, which comprises a first dielectric plate and a second dielectric plate, the first dielectric plate is positioned above the second dielectric plate, and the lower surface of the first dielectric plate is a copper-clad layer serving as a grounding plate. And a first metal radiator, a second metal radiator, a third metal radiator and a fourth metal radiator are arranged on the upper surface of the antenna. One end, close to the center of the dielectric plate, of the radiator is loaded with a metal column and connected with the grounding plate, and one end, away from the center of the dielectric plate, of the radiator is loaded with a millimeter wave metal probe. A microwave feed network and four 180-degree phase difference power dividers are arranged on the lower surface of the second dielectric plate, an output port of the microwave feed network is connected with the four microwave metal probes, and output ports of the 180-degree phase difference power dividers are connected with the eight millimeter wave metal probes. The dual-frequency circular polarization antenna has a dual-frequency circular polarization characteristic, can effectively reduce the influence of a multipath effect, and achieves the multiplexing of the radiator, thereby reducing the demands for the space resources of communication equipment.

The invention discloses a mirror symmetry correlation receiving radiation metasurface and a polarization and complex amplitude regulation and control method thereof. The polarization state of the receiving and radiating end of the metasurface and the complex amplitude regulation and control method from any polarized wave to any polarized wave are regulated and controlled by controlling the in-plane mirror symmetry of the receiving and radiating metasurface patch structure. The polarization and complex amplitude regulation and control method is realized by a receiving and radiating metasurface, the metasurface structure is composed of five layers of metal and four layers of dielectric substrates, and the total thickness is about 0.086 lambda. Wherein the first-layer structure and the fifth-layer structure consist of circular rings with two pairs of arc-shaped grooves etched at the edges and C-shaped grooves etched at the centers; the relative rotation angle of the C-shaped groove and the arc-shaped groove is changed to control the elliptical angle of electromagnetic waves, the overall rotation angle of the C-shaped groove and the arc-shaped groove controls the polarization angle of the electromagnetic waves, and the opening size of the C-shaped groove is used for regulating the transmission amplitude; the transmission phase is regulated by changing the length of the third-layer transmission line; meanwhile, the four layers of dielectric plates are used for isolating radiation and receiving modes. The metasurface and the method have the ultra-thin characteristic and the ultra-high pixel resolution.

The invention discloses an ultra-wideband balancer applied to high-power microwave measurement and a manufacturing method and device. The ultra-wideband balancer comprises a thick slot line layer, a microstrip line dielectric plate and a microstrip line layer, wherein the microstrip line dielectric plate and the microstrip line layer are stacked on one side of the thick slot line layer in the second direction, and the microstrip line layer is provided with an output port; the first input port and the second input port are respectively connected with an SMA connector, the phase difference of input signals of the two SMA connectors is 180 degrees, and the output port is connected with an SMA connector; a resonant cavity and a thick slot line resonator are formed between the first thick slot line structure and the second thick slot line structure, and the thick slot line resonator and the microstrip line layer form electromagnetic coupling, so that an input signal which is input by the first input port and the second input port and has a phase difference of 180 degrees is output from the output interface as an anti-phase microwave synthesis signal; the ultra-wideband balancer has larger power capacity, the problem that the power capacity is limited due to the fact that the slot line is too thin is solved, and the ultra-wideband balancer applied to high-power microwave measurement has larger power capacity.

The invention discloses an omnidirectional broadband high-gain rectification antenna which comprises an antenna unit radiation structure, an antenna unit radiation patch, an upper dielectric plate, a first rectification circuit, a second rectification circuit, a metal plate, a lower dielectric plate and an antenna unit feed structure. Wherein the first rectifying circuit and the second rectifying circuit are both printed on the upper surface of the upper-layer dielectric plate; the first rectifying circuit is connected with the first port of the antenna unit and is used for receiving radio frequency energy in the environment; and the second rectifying circuit is connected with the second port and the third port of the antenna unit and is used for receiving radio frequency energy from the fixed radio frequency source. The antenna can be applied to radio frequency energy collection and wireless energy transmission at the same time, and has the characteristics of omnidirectional broadband and high gain. The antenna can be widely applied to the field of microwave rectification antennas.

The invention discloses a frequency selective surface unit, an array, a structure and an antenna. The frequency selective surface unit comprises a dielectric plate; the first metal patch comprises a plurality of first extension parts connected with the central part of the dielectric plate, and the plurality of first extension parts extend towards the periphery from the central part of the dielectric plate; the second metal patch comprises a plurality of second extension parts, each second extension part is connected to the tail end of one first extension part, the plurality of second extension parts extend along the edge of the dielectric plate, and the second extension parts are arranged at intervals; wherein the first metal patch and the second metal patch form an LC equivalent resonance circuit. According to the frequency selective surface unit, the array, the structure and the antenna provided by the invention, the frequency response range can be expanded, multi-band electromagnetic waves can be effectively processed, and the performance of the frequency selective surface unit in the aspects of working band, bandwidth coverage, angle stability and the like can be improved.

The invention discloses a transmission type one-bit phase metasurface unit for 5G millimeter waves, and belongs to the field of reconfigurable metasurfaces. The two sides of the receiving patch of the unit are respectively bridged with two PIN diodes which are arranged in the same direction; the radiation patch is respectively connected with the receiving patch and the metal ground through the metal through hole and the metal blind hole; a direct-current bias microstrip circuit and a metal ground which are separated by a semi-solidified substrate are arranged between the two dielectric plates, and the direct-current bias microstrip circuit is connected with the two rectangular patches through metal blind holes. Therefore, the center of the receiving patch is equipotential with the metal ground, and the two sides of the receiving patch are equipotential with the direct-current microstrip circuit, so that the two PIN tubes are always in opposite conduction conditions when the voltage is changed. When the state changes, the induction current directions of electromagnetic waves on the upper surface receiving patch are opposite, and transmission electromagnetic waves excited on the lower surface radiation patch through the metalized through holes generate a phase difference approximate to 180 degrees. The one-bit transmission phase regulation of 5G millimeter waves is realized, and the method has important application prospects in the fields of wireless communication, beam forming and the like.

A transparent antenna unit, comprising: a phase modulation layer, wherein the phase modulation layer comprises a first dielectric plate, a tunable dielectric layer and a second dielectric plate which are stacked in sequence, a first functional electrode located between the first dielectric plate and the tunable dielectric layer, and a second functional electrode located between the tunable dielectric layer and the second dielectric plate, and the orthographic projections of the first functional electrode and the second functional electrode on the first dielectric plate overlap with each other; and a transparent feed layer located on the layer of the first dielectric plate away from the first functional electrode, and connected to the first functional electrode or the second functional electrode.

The invention discloses a cylindrical Luneberg lens antenna with azimuth plane and pitching plane scanning capability, which comprises a Luneberg lens, the Luneberg lens comprises a support plate and a plurality of dielectric plate units arranged on the support plate, the thickness of each dielectric plate unit is gradually changed, and the dielectric plate units are anisotropic; a first feed waveguide disposed on a side surface of the luneberg lens to perform linear polarization beam scanning; and the second feed waveguide is arranged at the bottom of the luneberg lens so as to carry out circular polarization beam scanning. According to the antenna, the scanning dimension of the cylindrical luneberg lens is expanded, beam scanning of an azimuth plane and a pitching plane is realized, and meanwhile, the advantages of simple feed and low cost of the antenna are reserved; and by using the anisotropic unit, the functions of the cylindrical luneberg lens and the polarizer are integrated into a single structure, so that the structural compactness is improved on the premise of not sacrificing the original beam scanning performance of the azimuth plane and the pitching plane. The invention relates to the technical field of antenna engineering.

The present disclosure provides a phase shifter with an adjustable output mode, capable of switching the output mode of a conventional antenna in a vertical plane, includes a fixed dielectric plate provided with a fixed circuit; a moving sliding plate, the moving sliding plate is provided on the side of the fixed dielectric plate, a plurality of sliding circuits are provided on the moving sliding plate corresponding to each of the fixed circuits, the fixed circuits are capable of being coupled with at least one of the corresponding sliding circuits to form a phase-shifting circuit together, and the moving sliding plate slides with respect to the fixed dielectric plate, is capable of switching the sliding circuits coupled with the fixed circuits, and is capable of adjusting the phase of the output signal of the phase-shifting circuit; the present disclosure further provides an antenna using the phase shifter.

The invention provides a novel low-cost miniaturized TRSiP packaging structure, which relates to the field of wireless communication equipment and comprises an upper ceramic dielectric plate, a lower ceramic dielectric plate, a radio frequency circuit and a metal enclosure frame, a first metal bonding pad is arranged on the upper surface of the upper-layer ceramic dielectric plate, and a second metal bonding pad is arranged on the upper surface of the lower-layer ceramic dielectric plate; the radio frequency circuit comprises a radio frequency generation assembly and a metal column. The radio frequency generation assembly is arranged on the lower ceramic dielectric plate, the radio frequency generation assembly is connected with the second metal bonding pad, the lower end of the metal column is connected with the second metal bonding pad, and the upper end of the metal column is connected with the first metal bonding pad; and the metal enclosure frame is arranged between the upper-layer ceramic dielectric plate and the lower-layer ceramic dielectric plate and surrounds the radio frequency circuit. The structure has the advantages of being low in cost, small in size, high in integration, good in air tightness and high in structural strength, and the reliability is greatly improved.

The invention provides an ultra-wide-band wide-scanning-angle planar tight coupling array antenna. The antenna comprises a plurality of antenna units which are periodically arranged; the antenna unit comprises a coating layer, a radiation layer, a wave absorbing layer and a metal floor which are sequentially arranged from top to bottom and are not in contact; the radiation layer comprises a radiation layer dielectric plate, and a radiation patch and a coupling patch which are printed on the upper surface and the lower surface of the radiation layer dielectric plate; the radiation patch adopts an interdigital dual-polarization dipole structure; the coupling patch consists of a circular metal patch and four quasi-isosceles trapezoid metal patches which are spliced on the circumference of the circular metal patch and are uniformly distributed; the wave-absorbing layer comprises a wave-absorbing layer dielectric plate and an annular thin-film resistor printed on the upper surface of the wave-absorbing layer dielectric plate. The coupling patch can increase the coupling capacitance between the dipoles so as to offset inductive reactance introduced by the floor and suppress resonance points in a frequency band, and the thin-film resistor in the wave absorbing layer can convert energy of incident electromagnetic waves into heat energy, so that the energy is dissipated and attenuated, the resonance points in the frequency band are suppressed, and the working bandwidth is widened.

The invention provides a low-cost dual-polarization electric scanning base station antenna applied to 5G communication, and provides an effective method for the design of a low-cost electric control scanning base station antenna. According to the invention, an antenna array surface is formed based on 2-bit dual-polarized microstrip antenna units, the antenna array surface and a feed network are in plug-in connection, and the feed phase of each antenna unit is controlled through an external wave control circuit board, so that phased wave beam scanning is realized. The base station antenna has the beneficial effects that compared with a traditional fixed beam base station antenna, the coverage range of the base station antenna can be effectively expanded; according to the invention, the microstrip antenna units are separated from each other and are not printed on a whole dielectric plate, so that the array scale can be flexibly controlled according to actual requirements; the antenna unit integrates two functions of radiation and phase shift, so that an external phase shifter is omitted, and the processing, assembling and maintenance costs are greatly reduced.

The invention relates to the technical field of high-voltage commutation, and discloses a control method and system for a composite LC filter of a high-voltage converter station, and a storage medium. According to the method, on the basis of staggered solid / liquid-filled dielectric plates and series hollow inductors in a sealed oil tank, by obtaining a capacitance / inductance adjusting instruction, the filling and pumping volume and speed of insulating liquid and magnetic liquid are controlled according to the absolute value of an adjusting value, and continuous and accurate adjustment of the filtering frequency and reactive power is achieved. The method comprises multiple optimization: monitoring high fluctuation of liquid, synchronously filling, pumping and radiating, balancing efficiency and energy consumption according to an adjusting frequency adaptive circulation speed, and performing reverse linkage cooperative adjustment on a dielectric medium pump and a magnetic liquid pump; and magnetic liquid leakage and insulation abnormity are treated in stages, so that operation is guaranteed. The method solves a traditional adjustment dead zone, does not need a power electronic device, is low in cost, is small in loss, is adaptive to outdoors, and improves the electric energy quality and equipment safety of a converter station.

The invention belongs to the technical field of antennas, and particularly relates to an ultrathin full-space metasurface unit with dual-band amplitude-phase regulation and control and a multi-beam generator. In order to solve the problems that component design cost is high, unit amplitude is low, and incident wave energy cannot be efficiently regulated and controlled, the full-space metasurface unit comprises a first metal layer and a second metal layer, the first metal layer is located above the second metal layer, a dielectric plate is arranged between the first metal layer and the second metal layer, and the dielectric plate is located between the first metal layer and the second metal layer. A first C-shaped groove and a double split ring resonator are etched on the first metal layer from outside to inside in a hollowed-out manner, a second C-shaped groove and an elliptical groove are etched on the second metal layer from outside to inside in a hollowed-out manner, and the opening directions of the first C-shaped groove and the second C-shaped groove are perpendicular to each other. And the multi-beam generator is designed based on the total space metasurface unit.

The utility model provides a gas distribution device of a flat plate type plasma system applied to peald equipment, and relates to the technical field of plasma equipment. Comprising a vacuum cavity, a medium flat plate, an atmosphere side process pipeline and a vacuum side process pipeline, and the vacuum side process pipeline comprises a plurality of process gas pipe branches parallel to the medium flat plate so that ionized gas can be evenly distributed in the vacuum cavity; a plurality of gas holes with openings facing the medium window are uniformly distributed in each process gas pipe branch along the length direction of the process gas pipe branch, so that gas directly flows to the medium window after coming out of the process gas pipe branch, and continuously flows to the vacuum cavity after being rebounded by the medium window, and a gas rebounding area is just positioned in a high ionization area of plasma; and the ionization rate of the process gas is further improved. According to the scheme, the plasma distribution uniformity of the flat plate type plasma system can be improved.

The invention provides a single-feed broadband circularly polarized patch antenna for navigation. The single-feed broadband circularly polarized patch antenna comprises a first dielectric plate, a second dielectric plate, a third dielectric plate, a metal shielding box and a coaxial cable, an antenna radiator is printed on the first dielectric plate, a coplanar waveguide structure is printed on the second dielectric plate, and a feed structure is printed on the third dielectric plate; the coaxial cable feeds power to the coplanar waveguide structure on the second dielectric plate through the feed structure on the third dielectric plate; and the coplanar waveguide structure on the second dielectric plate feeds the antenna radiator on the first dielectric plate in a coupling manner. The coplanar waveguide structure and the patch antenna are combined, the axial ratio bandwidth of the single-feed circularly polarized antenna is successfully improved through the coplanar waveguide coupling feed technology, the maximum working bandwidth of the single-feed circularly polarized antenna is improved by more than one time, and the problem that the single-feed circularly polarized antenna is narrow in bandwidth and difficult to apply to satellite navigation is solved. And the method has extremely high applicability and flexibility in multi-system and multi-band satellite navigation application.

The invention discloses a 2-bit multi-polarization reconfigurable electric control metasurface antenna which comprises a linear polarization feed source horn and a reflection type metasurface. The reflective metasurface comprises a plurality of metasurface units arranged periodically, and each metasurface unit comprises a first metal layer, a first dielectric plate, a second metal layer, a prepreg layer, a third metal layer, a second dielectric plate and a fourth metal layer which are sequentially and coaxially stacked from top to bottom. And two pairs of p-i-n diodes are integrated on each metasurface unit and are used for regulating and controlling linearly polarized waves from the feed source. According to the metasurface antenna, the radiation capacity of dual linear polarization and dual circular polarization is achieved through the single linear polarization feed source and the single reflection type metasurface at the same time, the beam scanning capacity of + / -60 degrees is achieved, and the aperture efficiency is high. In addition, a direct-current control circuit for controlling a p-i-n diode switch is designed on the back surface of the reflective metasurface, so that the integration level of the metasurface system is greatly improved. The metasurface antenna has the advantages of being simple in structure, large in polarization number, low in structural complexity and high in integration degree.

The present application relates to the technical field of communications, and discloses a base station antenna unit, a base station antenna array, and a base station. The base station antenna unit comprises a dielectric plate, a metal ground plate, a first dielectric resonator, a second dielectric resonator, a dielectric coupling path, and a feeding structure; the metal ground plate and the feeding structure are arranged on two sides of the dielectric plate, respectively, and a cross-shaped slot is formed on the metal ground plate; the first dielectric resonator and the second dielectric resonator are of a symmetrical structure, and the first dielectric resonator and the second dielectric resonator are arranged on the dielectric plate; the dielectric coupling path is arranged on the dielectric plate, located between the first dielectric resonator and the second dielectric resonator, coupled to the first dielectric resonator and the second dielectric resonator, and located above the cross-shaped slot; and the feeding structure has two feeding ports, feeding input by means of different feeding ports excites the cross-shaped slot to generate an orthogonal electric field, and electromagnetic waves of the orthogonal electric field reach the first dielectric resonator and the second dielectric resonator by means of the dielectric coupling path.

The embodiment of the invention relates to an infrared light conduction structure, an infrared control circuit and an infrared control method, a second infrared module is used for receiving an infrared signal and providing a compensation infrared signal for a first infrared module so as to counteract the influence of ambient light in infrared gesture recognition, so that the infrared gesture recognition is more accurate; and the first infrared module and the second infrared module are both arranged on the dielectric plate, and the dielectric plate can realize PCB multiplexing by redesigning a PCB on which the first infrared module is originally mounted, so that the problems of high cost and unstable reliability caused by adding additional optical devices are avoided. Meanwhile, a third infrared module can be integrated on the dielectric plate, so that the conduction efficiency of infrared receiving signals is improved, the integration degree of the infrared light conduction structure is higher, layout and production of circuit devices are facilitated, and the production cost is reduced.

This plasma processing device includes: a processing container; a placement table on which a substrate is placed inside the processing container; and an upper electrode provided at a position separated from the placement table. The upper electrode includes: a dielectric plate; and an electrode plate which is layered on the dielectric plate and to which high-frequency power is supplied. A cooling mechanism for cooling the electrode plate is connected to the electrode plate. A heat-transfer gas supply space is formed between the electrode plate and the dielectric plate. Furthermore, the plasma processing device includes: a heat transfer adjustment unit that adjusts the thermal conductivity of a heat-transfer gas supplied to the heat transfer gas supply space; and a control unit that controls the heat transfer adjustment unit.

The invention provides a broadband circularly-polarized metasurface antenna which comprises a first dielectric plate, a second dielectric plate, a metasurface radiator, a sequential feed network, a metal reflecting plate, a coaxial cable, a feed probe and a metal short-circuit needle. The first dielectric plate is arranged above the second dielectric plate in parallel; the metal reflecting plate is printed on the lower surface of the second dielectric plate; the metasurface radiator comprises a square patch printed in the middle of the lower surface of the first dielectric plate, and an inner ring metasurface array, an outer ring metasurface array and a quarter-wavelength branch printed on the upper surface of the first dielectric plate. The broadband circularly polarized metasurface antenna provided by the invention has the working bandwidth of 37.74%, the gain of 6.36-9.28 dBi and good directional radiation performance, and has the advantages of wide broadband, high gain and small size.

The invention discloses a Ka-band broadband filtering antenna, which comprises a probe, a ground paving layer, and a first horizontal dielectric plate, a first radiation patch, a second horizontal dielectric plate and a second radiation patch which are arranged on the ground paving layer, and is characterized in that the first radiation patch is provided with a c-shaped groove, the c-shaped groove is internally provided with a circular groove, and the circular groove is internally provided with a pair of branches; one ends of the two branches are combined to form a combined end connected to the first radiation patch, and the other ends of the two branches are parallel and have a gap to form a parallel opening end; and the center of the second radiation patch is close to the combined end of the two branches on the first radiation patch and far away from the parallel opening ends of the two branches on the first radiation patch. According to the invention, through collaborative design of slotting and branch knot loading, a filtering structure is innovatively constructed. The core innovation lies in the collaborative design of the two filtering structures and the spread spectrum structure, and the filtering frequency domain and the passband width are remarkably improved. The method can be widely applied to the fields of base stations, national defense and military industry and the like.

The invention relates to an antenna array and an antenna device, the antenna array comprises a plurality of array elements and a metasurface, the plurality of array elements are arranged at intervals along a first direction of the antenna array, and the metasurface and the array elements are arranged at intervals along a thickness direction of the antenna array; the metasurface comprises a plurality of metasurface units, the metasurface units are arranged in an array, each metasurface unit comprises a metasurface dielectric plate and a patch, the patches are arranged on the metasurface dielectric plates and used for adjusting the phase of electromagnetic waves radiated by the array elements, and the sizes of the patches of at least part of columns of metasurface units are different in the first direction. Therefore, at least part of the metasurface has a specific phase gradient, single-beam deflection can be carried out on electromagnetic waves radiated by the array element located below the metasurface with the phase gradient, and the phase of the electromagnetic waves radiated by the array element is adjusted, so that the beam directions of the electromagnetic waves radiated by the array element during feeding tend to be consistent, and the radiation efficiency of the array element is improved. And the phase consistency of the antenna array is improved.

The invention discloses a four-unit circularly polarized antenna array based on decoupling network decoupling, which is characterized in that a grounding plate (1) is arranged between a first dielectric plate (2) and a second dielectric plate (3), four antenna patches (4) are arranged on the upper surface of the first dielectric plate (2), a decoupling network is arranged on the lower surface of the second dielectric plate (3), and metal copper columns (5) are connected with the antenna patches (4) and the decoupling network. The decoupling network has eight ports and comprises four sections of phase shift networks and four 4T-shaped structures, and the phase shift networks and the 4T-shaped structures are arranged in a bending and folding manner through microstrip lines; one end of each of the four phase shift networks is connected with a metal copper column (5), the four T-shaped structures are respectively connected with the other ends of the two adjacent phase shift networks, and the decoupling network does not change the plane area of the antenna array, so that the miniaturization of the antenna structure is ensured; compared with an existing decoupling network, the decoupling network is simple in structure, the decoupling effect is guaranteed, meanwhile, the radiation efficiency is high, the circular polarization performance is not damaged, and the design of a high-performance circular polarization antenna array can be achieved.

This application provides a liquid crystal metasurface antenna apparatus and a communication apparatus. The liquid crystal metasurface antenna apparatus includes a liquid crystal metasurface reflection plate and a feed source, where the liquid crystal metasurface reflection plate includes a plurality of liquid crystal antenna units; the liquid crystal antenna unit at least includes a plurality of oscillators and two layers of dielectric plates; the plurality of oscillators are disposed between the two layers of dielectric plates; the plurality of oscillators include a horizontal oscillator pair and / or a vertical oscillator pair; and each oscillator includes a left arm, a right arm, and a capacitor, the left arm and the right arm are connected through the capacitor, and a liquid crystal material is filled in a space enclosed by the left arm, the right arm, and the capacitor.

The invention provides an antenna structure and communication equipment. The antenna structure comprises a first dielectric plate and a radiation patch arranged on the first dielectric plate, the radiation patch is provided with a first edge, a second edge, a third edge, a fourth edge, a fifth edge and a sixth edge, the first edge and the fourth edge are oppositely arranged, the fifth edge and the second edge are oppositely arranged, the first edge is connected with the fifth edge through the sixth edge, and the second edge is connected with the fifth edge through the third edge. The second edge is connected with the fourth edge through the third edge, obtuse angles are formed between the third edge and the second edge and between the third edge and the fourth edge, and obtuse angles are formed between the sixth edge and the first edge and between the sixth edge and the fifth edge; the radiation patch is provided with a slot penetrating through the radiation patch, and the slot is used for adjusting the resonance frequency point position and the resonance intensity. And / or the antenna structure further comprises a resonant ring which is arranged on the first dielectric plate and surrounds the radiation patch; the resonant ring is used for adjusting the number of resonant points.

The utility model provides an ultra-wide-band high-performance array antenna, which comprises a plurality of ultra-wide-band oscillator units arranged on a reflecting substrate in an array form, the ultra-wideband oscillator unit comprises a plurality of radiation parts arranged on the dielectric plate at intervals, and the radiation arm of any radiation part and the radiation arm of the adjacent radiation part are collinear to form a dipole; in one radiation piece, any two adjacent radiation arms are perpendicular to each other to form a dual-polarized oscillator; the ultra-wideband oscillator unit further comprises a parasitic branch knot. The parasitic branches are arranged between every two radiation pieces, and the parasitic branches are arranged on the dielectric plate in the horizontal direction and the vertical direction; the radiation part and the parasitic branch knot are coupled and connected to form a frequency expanding structure. According to the utility model, the S parameter of the oscillator unit is optimized by arranging the coupling frequency-broadening structure and the parasitic branch knot, electromagnetic waves are guided through the cooperation of the reflecting strip, the isolating strip and the director, the interference of high frequency to low frequency is reduced, the standing-wave ratio of the antenna is further reduced, and the directivity of the antenna is improved.