42 results about "Antenna miniaturization" patented technology

The utility model discloses a balun-integrated full-wave oscillator radiation unit, and aims to solve the problems that a low-frequency bowl-shaped oscillator and a high-frequency die-cast half-wave oscillator are used in the conventional high-low frequency nesting scheme, so that the requirements of miniaturization and light weight of an antenna are difficult to meet, the processing cost is extremely high, and the cost is low. And meanwhile, the high-frequency oscillator is arranged in the bowl-shaped oscillator, so that the horizontal plane wave width deformation of the high-frequency oscillator is caused, the gain is influenced, and the market demand cannot be met. The Balun-integrated full-wave oscillator radiation unit comprises a fixed support and a PCB radiation plate installed on the fixed support. The structure of the full-wave oscillator is relatively simple, assembly can be completed only by installing the single-balun integrated feed sheet in the fixing support and welding and fixing the single-balun integrated feed sheet and the PCB radiation plate, miniaturization design can be achieved through the microstrip technology, the printed circuit technology and the like due to the fact that single-face embedded coupling is adopted, the requirement of miniaturization equipment is met, machining is easy, and cost is low. The production efficiency can be greatly improved, and the production cost is reduced.

The invention relates to an antenna assembly and a vehicle. The antenna assembly comprises a dielectric body, a first antenna structure, a second antenna structure and a metal frame body. The projections of the plurality of second antenna structures on the dielectric body along the thickness direction of the dielectric body are arranged around the circumferential direction of the first antenna structure, the plurality of second antenna structures are rotationally symmetrical about the center of the first antenna structure, and each second antenna structure is coupled with the first antenna structure. The metal frame body is arranged around the periphery of the first antenna structure, and the metal frame body is connected with the dielectric body. The low-profile antenna structure is realized, the influence caused by the surface wave effect of the dielectric body is improved, the mutual coupling interference between double frequencies is reduced, and the antenna gain and the antenna bandwidth are improved. Besides, the metal frame body can restrain back lobe level energy, capacitance coupling is formed between the first antenna structure and the metal frame body, capacitance coupling is formed between the second antenna structure and the metal frame body, the antenna miniaturization design is further achieved, the overall size is reduced, and the installation space can be prevented from being limited.

This invention relates to the field of antenna technology, and particularly to a miniaturized circularly polarized antenna with a wide axial ratio and wide beamwidth. The antenna includes a dielectric substrate, a circular radiating patch unit, metal shorting posts, a coaxial differential feed structure, and a metal ground plane. The circular radiating patch unit consists of a pair of orthogonal fan-shaped cross-printed dipoles. A slot structure is added in the middle along the X-axis to divide the radiator into left and right parts, and three metal shorting posts are added to the end of each fan-shaped cross-printed dipole structure. The feed structure is a differential-feed coaxial cable, with its inner and outer conductors contacting the left and right halves of the circular radiating patch unit, respectively. Simultaneously, due to the slight difference in curvature between the two orthogonal fan-shaped printed dipoles, a phase difference is formed between the pair of orthogonal modes of the circular radiating patch unit, ultimately achieving circularly polarized radiation of the antenna. A metal short-circuit post is applied to the electric field zero of a conventional printed dipole, forming a new half-mode operating mode at low frequencies. Simultaneously, the slot structure improves the impedance characteristics of the half-mode, enabling antenna miniaturization. Due to the radiation contribution of the metal short-circuit post in the horizontal direction, the axial ratio beamwidth of this circularly polarized antenna is significantly extended. This application exhibits excellent forward radiation characteristics, along with miniaturization, a wide axial ratio beamwidth, simple structure, low cost, and ease of fabrication.

The invention relates to the technical field of antennas, and discloses an antenna structure, a generation method thereof, a radio frequency device and equipment. The antenna structure comprises a dielectric substrate which comprises a first surface and a second surface opposite to the first surface; the first surface comprises ground; the second surface comprises a radiation patch; the feeder line is used for feeding power to the radiation patch; wherein the radiation patch comprises at least one grounding area, and the radiation patch adjusts the electromagnetic field distribution on the surface of the radiation patch through the grounding area. According to the antenna, through arrangement of the grounding area and adjustment of electromagnetic field distribution on the surface of the radiation patch, adjustment of a directional diagram is achieved, the radiation effect of the antenna is improved, the antenna structure is simple, design and deployment implementation difficulty is low, and miniaturization of the antenna size is facilitated.

The application relates to a single-layer multi-frequency GNSS antenna, which comprises a patch antenna body, the patch antenna body comprises a dielectric substrate and a ground plane, the center of the upper surface of the dielectric substrate is provided with a clover-shaped high-frequency radiation metal plate, the periphery of the high-frequency radiation metal plate is provided with a low-frequency radiation metal plate, a first non-metal gap is arranged between the high-frequency radiation metal plate and the low-frequency radiation metal plate, four edges of the low-frequency radiation metal plate are provided with accommodation grooves, long-strip-shaped radiation metal patches are arranged in the accommodation grooves, and rectifier radiation parts are arranged between four corners of the low-frequency radiation metal plate and adjacent two accommodation grooves, and the four rectifier radiation parts correspond to four sharp corners of the clover-shaped high-frequency radiation metal plate. The application belongs to the technical field of antennas, the radiation performance of the antenna is optimized through a special geometric layout, the foundation of antenna miniaturization and low cost is laid, and the dual-band coverage and good radiation characteristics are preliminarily ensured.

The application provides a piezoelectric driving self-biased very low frequency mechanical transmitting antenna and a preparation method thereof. The preparation method comprises the following steps: step one, preparing piezoelectric ceramic material; step two, cutting and slotting; step three, pouring resin; step four, cutting layer sheet; step five, packaging; step six, polarization treatment; step seven, preparing adhesive layer; and step eight, hot-pressing compounding. Compared with the existing magnetoelectric antenna, the self-biased very low frequency mechanical transmitting antenna has the characteristics of self-bias, high piezoelectricity, miniaturization, no additional noise source and electromagnetic interference, and the like, has the advantages of high stress transmission efficiency and small ohmic loss, can realize the miniaturization requirement of the magnetoelectric mechanical antenna, is easy to form a large-scale array, improves the magnetic transmitting performance under zero bias, and achieves the low frequency communication effect.

The invention provides a low-profile miniaturized dual-band antenna based on LC resonance loading, and relates to the technical field of microstrip antenna structure design, the low-profile miniaturized dual-band antenna comprises a metal floor, a dielectric plate, a radiation structure, an LC resonance structure and a feed structure, the dielectric plate is fixedly arranged right above the metal floor; the radiation structure is arranged right above the dielectric plate, the radiation structure is composed of a plurality of coaxial metal circular patches, and a plurality of through holes are formed in the radiation structure; the LC resonance structure is arranged in the through hole of the radiation structure; the feed structure is arranged on the center line of the radiation structure, and the top end of the feed structure passes through the dielectric plate and is connected with the radiation structure. The problems of miniaturization and low profile of a traditional low-frequency antenna are solved, the size is remarkably reduced, and meanwhile the dual-band working capacity and good radiation performance are maintained.

The application relates to the technical field of communication devices, and provides a phase shifter and a base station antenna. The phase shifter comprises a substrate, a rotating piece and a driving assembly. The rotating piece is arranged to rotate on the substrate. The side of the rotating piece facing the substrate is provided with a coupling line. The side of the substrate facing the coupling line is provided with an input line and an output line. The coupling line is coupled and connected with the input line and the output line. The driving assembly is in transmission connection with the rotating piece. Under the driving of the driving assembly, the rotating piece rotates relative to the substrate, and the length of the transmission line of the phase shifter changes correspondingly. Under the condition that the driving assembly drives the rotating piece to rotate relative to the substrate, the length of the transmission line of the phase shifter can change correspondingly, so that the purpose of phase adjustment is achieved. In addition, the substrate and the rotating piece are arranged in a stacked mode, the structure is simple, the occupied space is small, and the antenna can be designed to be small in size and light in weight.

The invention relates to the technical field of antennas, in particular to a miniaturized low-profile circularly polarized microstrip antenna with double axial ratio points. A circular radiation patch unit is adopted, and the circular radiation patch unit comprises a cross dipole, a rectangular feed strip, a fan-shaped NFRP unit and an L-shaped NFRP radiation unit. The cross dipole patch is symmetrical along the X axis on the whole and is formed by crossing a pair of printed dipoles of which the tail ends are of fan-shaped structures, metal short circuit columns are loaded at the tail ends of the fan-shaped structures so as to realize the miniaturization of the antenna size, the coaxial feed structure feeds a rectangular strip extending from the cross dipoles in the + X axis direction, and the Left-hand polarization (LHCP) of the antenna is realized. The NFRP patch comprises a fan-shaped NFRP patch and two L-shaped NFRP patches, the fan-shaped NFRP patch is embedded in the-X axis direction of the crossed dipole, and a new resonance mode is introduced for the antenna so as to generate a second axial ratio point; the two L-shaped NFRP patches are respectively embedded in the-Y-axis direction and the + Y-axis direction of the crossed dipole and are used for reducing the frequency division ratio of two axial ratio points, and at the moment, the axial ratio bandwidth of the original crossed dipole circularly polarized antenna is effectively expanded.

The invention discloses a miniaturized broadband microstrip antenna, which is suitable for indoor positioning systems such as Bluetooth beacons and the like, and comprises a dielectric substrate, a patch layer arranged on the upper surface of the substrate, and a metal grounding plate positioned on the lower surface of the substrate, the patch layer comprises a radiation patch and a microstrip line connected with the radiation patch; the radiation patch is of a rectangular structure, and the radiation patch is provided with a cross-shaped parting slotting structure. A staggered parallel multi-strip-shaped defected ground structure is introduced to the metal grounding plate, and the staggered parallel multi-strip-shaped defected ground structure is a structure of five rectangular grooves which are arranged in a staggered parallel mode. According to the structure provided by the invention, the miniaturization and broadband performance of the antenna can be considered, and a new technical path is provided for the design of a small wireless terminal antenna.

The utility model provides a high gain antenna, which comprises an antenna body and a metal baffle plate arranged around the antenna body, the antenna body comprises a feed pin, a dielectric substrate and a radiation electrode fixed on the surface of the dielectric substrate, the feed pin is electrically connected with the radiation electrode, and the height H of the metal baffle plate is not greater than the maximum height D of the antenna body. And the minimum distance L1 from the metal baffle plate to the center of the feed needle and the maximum side length L of the dielectric substrate meet the condition that L1 is greater than or equal to 1 / 2 * L. The unique structure that the metal baffle is arranged around the antenna is adopted, the electromagnetic environment around the antenna is effectively changed by means of the reflection, shielding and diversion effects of the metal baffle on electromagnetic waves, and the effect of remarkably improving the antenna gain in a limited space is successfully achieved. The dual requirements of modern electronic equipment for antenna miniaturization and high performance are fully considered, the bottleneck of gain improvement in a limited space in the traditional antenna design is broken through, and powerful support is provided for efficient and stable operation of a satellite navigation system in a complex environment.

The invention discloses a miniaturized metasurface broadband wide-angle scanning circularly polarized antenna, and belongs to the technical field of antennas. A wide-angle scanning phased-array antenna can be formed by using the miniaturized metasurface broadband wide-angle scanning circularly polarized antenna as a unit. The miniaturized metasurface broadband wide-angle scanning circularly polarized antenna comprises three layers of dielectric plates, four metal layers and a group of metalized via holes. And by utilizing the non-linear characteristic of a metasurface dispersion curve, the first-order resonant frequency and the second-order resonant frequency are fused to realize broadband radiation. The metasurface antenna is miniaturized by increasing the propagation constant, so that the array element spacing in the array is reduced, and wide-angle scanning is realized. The invention has the characteristics of few layers, small size, large bandwidth, wide-angle scanning and the like.

The application discloses a series feeding directional pattern shaped patch antenna, which is a compact, low-cost, high-gain and arbitrary beam shape realizable series feeding antenna, and achieves the purpose of miniaturization of the shaped antenna. The antenna comprises a dielectric substrate, a feeding line, a plurality of radiation patches and a metal grounding plate. The dielectric substrate comprises oppositely arranged top and bottom surfaces; the feeding line and the radiation patches are attached to the top surface of the dielectric substrate; and the metal grounding plate is attached to the bottom surface of the dielectric substrate. The plurality of radiation patches are distributed along the feeding line, and a slot structure one is formed on the radiation patches; and a slot structure two is formed at a set position of the feeding line. The application realizes the accurate control of the amplitude and phase of the unit through the special design of the series feeding antenna and the radiation unit, so as to achieve the purpose of realizing arbitrary beam shaping of the microstrip traveling wave series feeding antenna.

The utility model belongs to the technical field of positioning antennas, and particularly provides a light-weight full-band positioning antenna, which comprises a single-layer dielectric substrate, a circular high-frequency radiation patch attached to the center of the upper surface of the single-layer dielectric substrate, a cavity arranged on the lower surface of the single-layer dielectric substrate, a circular low-frequency radiation patch attached to the bottom of the cavity, and a circular high-frequency radiation patch attached to the bottom of the cavity. The circular high-frequency radiation patch is internally provided with at least one circular high-frequency coupling patch, the circular low-frequency radiation patch is internally provided with at least one rectangular low-frequency coupling patch, every two circular high-frequency coupling patches are arranged at intervals through non-metal gaps, and the circular high-frequency coupling patches and the rectangular low-frequency coupling patches are connected through feed copper columns. According to the utility model, a high-frequency part is coupled through feeding on the upper surface, and a low-frequency part is coupled through feeding on the lower surface, so that the antenna is miniaturized, the structure is simplified, high bandwidth and high reliability are further realized, the bandwidth of the antenna is increased, the antenna can cover a larger frequency range, and the receiving and transmitting performance of the antenna is improved.

To miniaturize a plurality of antennas to which power is supplied independently of each other.SOLUTION: The antenna includes a first conductor including a first end portion, an intermediate portion, and a second end portion, a second conductor including one end portion connected to the intermediate portion and the other end portion connected to a ground, a first feeding portion configured to input and output a first signal having a wavelength λ 1 to and from the first conductor at a first feeding position, and a second feeding portion configured to input and output a second signal having a wavelength λ 2 to and from the first conductor at a second feeding position. A first section from the second end portion to the other end portion via the intermediate portion has an electrical length of λ 1 * (1 / 8) or more and λ 1 * (3 / 8) or less, a second section from the second feed position to the other end portion via the intermediate portion has an electrical length of λ 2 * (1 / 8) or more and λ 2 * (5 / 8) or less, and the second conductor has a width of λ 1 * (1 / 16) or less.SELECTED DRAWING: Figure 2

The invention discloses a high-gain dielectric resonator antenna unit and related electronic equipment, and the high-gain dielectric resonator antenna unit comprises a dielectric substrate, a dielectric resonator, a feed structure and a director. Wherein the feed structure is coupled with the dielectric resonator to feed the dielectric resonator; the dielectric resonator is columnar, the director is attached to the upper surface of the dielectric resonator, and the lower surface of the dielectric resonator is fixedly connected with the dielectric substrate; the director is an annular metal sheet, and the outer diameter of the director is consistent with the outer diameter of the dielectric resonator. Through the dual effects of the boundary constraint effect and the phase guiding effect, the gain of the dielectric resonator antenna unit is improved, the performance of a directional diagram is improved, the original effective bandwidth is kept, meanwhile, the sectional area and the overall size of the antenna cannot be remarkably increased, the requirement for miniaturization of the antenna can be met, and the antenna is suitable for large-scale popularization and application. And the method can well adapt to various application scenes with limited space.

The application discloses a single-plane electrically small quasi-isotropic antenna, which comprises a dielectric substrate, an antenna patch radiation unit attached to the upper surface of the dielectric substrate, the antenna patch radiation unit comprising a symmetrical folded dipole and a pair of parallel transmission lines, the folded dipole being formed by twice bending two arms of a dipole microstrip line, wherein the two arms of the dipole are bent once so that the bent part is perpendicular to the unbent stub, and the ends of the two arms of the dipole are bent again so that the bent part is parallel to the unbent stub, and the parallel transmission lines are placed in the middle of the folded dipole. The application can realize good quasi-isotropic radiation characteristics while realizing antenna miniaturization, and can effectively emit or receive signals from all directions.

The embodiment of the invention provides a dual-frequency antenna which is applied to the technical field of communication equipment. The antenna comprises a reflecting plate, a low-frequency oscillator unit and a high-frequency oscillator unit, the low-frequency oscillator unit comprises at least two first dipoles; the first dipole comprises two radiation arms and a feed unit connected with the two radiation arms; each radiation arm comprises a first radiation part, the first radiation part of at least one radiation arm is provided with a slot, and an insulating bracket is arranged in the slot; the high-frequency oscillator unit comprises a plurality of second dipoles, at least part of the second dipoles are arranged on the insulating brackets, and one insulating bracket is correspondingly provided with one second dipole; the second dipoles extend in the direction away from the reflecting plate, and the top faces, away from the reflecting plate, of the multiple second dipoles are located on the same plane. According to the dual-frequency antenna, the dipole of the low-frequency oscillator unit and the dipole of the high-frequency oscillator unit are nested and combined, so that the occupied space of the dual-frequency antenna can be reduced, and the miniaturization of the antenna is realized.

The embodiment of the present disclosure provides a co-fired ceramic phased array antenna, comprising: a low-temperature co-fired ceramic substrate, a radiating antenna array, a radio frequency feeding network, a high-temperature co-fired ceramic substrate, a control and power supply network, a radio frequency interface, and a device-level TR component; wherein the radio frequency interface is welded on the lower surface of the high-temperature co-fired ceramic substrate; the control and power supply network is located in the high-temperature co-fired ceramic substrate; the device-level TR component is welded on the lower surface of the high-temperature co-fired ceramic substrate; the upper surface of the high-temperature co-fired ceramic substrate and the lower surface of the low-temperature co-fired ceramic substrate form a hybrid stacked ceramic substrate through welding; the radio frequency feeding network is located in the low-temperature co-fired ceramic substrate; and the radiating antenna array is located on the upper surface of the low-temperature co-fired ceramic substrate. In this way, the overall structure internal stress can be reduced, the phased array antenna heat dissipation capacity can be improved, the phased array antenna radiation performance can be enhanced, the phased array antenna miniaturization, integration and light weight can be realized, and meanwhile, the phased array antenna has good reliability.

The application discloses a miniaturized metasurface antenna, which comprises three layers, namely a radiation layer, an air layer and a feed layer from top to bottom, wherein the radiation layer is provided with a metasurface radiation structure, and the feed layer is a microstrip line slot coupling feed structure; the metasurface radiation structure is composed of 16 square patches arranged in a 4*4 array, wherein a rectangular slot is loaded at the center of each square patch, and a branch is loaded at four corners; the metasurface radiation structure adjusts the equivalent capacitance of the metasurface antenna by changing the length and width of the loaded branch extending into the square patch; and the length of the current of the metasurface antenna is adjusted by changing the length and width of the rectangular slot. Compared with the existing conventional metasurface antenna, the metasurface antenna has the advantages of ensuring a wide impedance bandwidth and high gain of the metasurface antenna in the process of miniaturization.

This utility model discloses a miniaturized wideband beam millimeter-wave antenna, including an radome, an antenna cavity, and a mounting component. The radome is fixedly mounted on the antenna cavity via the mounting component. The antenna cavity includes a circular waveguide with cylindrical grooves around its periphery, giving the antenna a wide beam characteristic within the operating frequency band and improving the antenna pattern in the low-frequency band. The radome includes a matching medium located inside the circular waveguide to extend the low-frequency operating bandwidth, thereby ensuring a gain greater than -0.5 dBi within a ±60° range in the 26 GHz to 40 GHz operating frequency band. Filling the circular waveguide opening with the matching medium reduces the diameter of the circular waveguide, achieving antenna miniaturization. Furthermore, the built-in radome reduces manufacturing costs, and mounting it externally to the equipment chassis avoids the influence of the internal structure of the chassis on performance, thus improving the antenna pattern.

The invention discloses a low cross polarization antenna and a deep learning optimization design method, and the antenna employs a differential feed structure of a similar H-shaped coupling groove and a vertical metal pillar to suppress cross polarization, does not need to be externally connected with a single-ended-differential converter, expands the bandwidth and stabilizes the gain through a double-T-shaped matching short-circuit line structure, and achieves the low cross polarization. And miniaturization and high integration of the antenna are realized by using an embedded vertically stacked differential excitation framework. According to the deep learning optimization design method, an antenna performance mapping model is constructed based on a CNN-Transform hybrid neural network, a simulated annealing algorithm is combined to optimize a training process and a multi-target reverse design is combined to screen optimal structure parameters, and finally, the performance of the optimization method is verified through full-wave electromagnetic simulation. According to the method, the physical mechanism of the antenna and the deep learning model are combined, collaborative optimization of the impedance bandwidth and the gain of the antenna is achieved, the design requirement for balance of multiple performance indexes of the antenna is met, and the designed antenna has the advantages of being low in cross polarization, stable in gain and small in size.

The application discloses a medium lens, a radiation unit and a base station antenna, the medium lens is arranged above a vibrator, and the medium lens comprises a spherical body and a support; a beam adjustment cavity is constructed in the spherical body; the upper end of the support is connected with the spherical body, and the lower end of the support is used for fixing; the spherical body and the beam adjustment cavity are configured to: different phase compensations are performed on electromagnetic waves incident in different directions, so that the beams are focused; electromagnetic wave phase compensation and beam focusing are realized through the cooperative design of the spherical body and the beam adjustment cavity, the structural strength, the manufacturing process and the electromagnetic performance are taken into account at the same time, the gain and the comprehensive performance of the base station antenna are significantly improved, and the development requirements of 5G / 6G base station antenna miniaturization, low cost and high consistency are adapted.

This application relates to the technical field of antennas, and in particular to a miniaturized low-frequency loop antenna, comprising a loop frame made of a non-magnetic insulating material, a loop winding cavity formed on the loop frame, and a plurality of partition plates spaced axially on the loop frame, the partition plates being coaxially disposed within the loop winding cavity, dividing the loop winding cavity into a plurality of winding slots arranged axially, with wire passages provided on the partition plates, and adjacent winding slots connected by the wire passages; a magnetic layer equal in number to the number of winding slots and correspondingly disposed, and the magnetic layers forming a surrounding magnetic circuit with an air gap around the winding slots; an excitation coil including winding segments, the number of winding segments equal to the number of winding slots, one winding segment wound in a corresponding winding slot and located within the surrounding magnetic circuit, and adjacent winding segments electrically connected in series by connecting wires passing through the wire passages. This application can meet the requirements of antenna miniaturization and reliability in practical applications.

The application provides a low-profile miniaturized dual-band antenna based on LC resonance loading, relates to the technical field of microstrip antenna structure design, and comprises a metal floor, a dielectric plate, a radiation structure, an LC resonance structure and a feeding structure, the dielectric plate is fixedly arranged above the metal floor; the radiation structure is arranged above the dielectric plate, the radiation structure is composed of coaxial metal circular patches, a plurality of through holes are arranged on the radiation structure; the LC resonance structure is arranged in the through hole of the radiation structure; the feeding structure is arranged on the center line of the radiation structure, and the top end of the feeding structure penetrates through the dielectric plate and is connected with the radiation structure. The low-frequency antenna miniaturization and low-profile problem of the traditional low-frequency antenna are overcome, the size is significantly reduced, and the dual-band working capacity and good radiation performance are maintained.

This invention provides a millimeter-wave broadband packaged antenna structure, comprising a packaging substrate composed of alternating stacked metal layers and dielectric layers. Multiple metal layers have vertically aligned center-gap regions. A driving patch, a microstrip line matching segment, and a stripline are sequentially connected and aligned along the signal transmission path. A parasitic patch, parallel to and vertically aligned with the driving patch, is located in an adjacent metal layer directly above it. These two patches are not directly electrically connected but are fed through electromagnetic field coupling, allowing the driving patch and parasitic patch to operate at similar but different resonant frequencies, forming a dual-resonance operating mode. This effectively expands the antenna impedance bandwidth. Stripline shielding holes are provided on both sides of the stripline, and antenna shielding holes are arranged around the edge of the gap regions to suppress signal leakage and cavity resonance. This invention replaces the traditional coplanar or slotted method with a vertically stacked coupling structure, achieving antenna miniaturization while significantly improving bandwidth, and enhancing the design freedom of impedance matching through the microstrip line matching segment.

This invention discloses a reconfigurable antenna based on ion gel, its fabrication method, its control method, and an electronic device. The reconfigurable antenna includes a substrate with a feed port, a ground plane, and at least one transmission line. The ground plane and the transmission line are respectively connected to the grounding terminal and the feed terminal of the feed port. The transmission line is composed of two or more feed lines, with gaps between different feed lines on the same transmission line. Ion gel is adhered to the gaps, and the ion gel is connected to its adjacent feed line. The upper and lower surfaces of the ion gel are voltage application ports, which are connected to an external control terminal. This invention enables multi-band adjustment of the antenna and can also be applied to solve the problem of bending resistance of flexible antennas. It offers faster response, wider applicability, and greater versatility. The volume of the ion gel does not affect the overall antenna layout, resulting in higher integration and enabling antenna miniaturization and cost reduction.

The invention discloses a high-gain full-band satellite positioning antenna structure and communication equipment. The antenna structure comprises a first radiation part, a second radiation part and a feed source part, wherein the first radiation part and the feed source part are respectively arranged at two sides of the second radiation part and are respectively arranged at intervals with the second radiation part; a dielectric part is arranged between the first radiation part and the second radiation part, and the dielectric part abuts against the first radiation part and the second radiation part; in the vertical direction of the feed source part, the projection of the dielectric part covers the projection of the first radiation part; the first radiation part is electrically connected with the feed source part through a first feed part, the second radiation part is electrically connected with the feed source part through a second feed part, and the first feed part penetrates through the dielectric part and the second radiation part. According to the antenna structure, full-band radiation can be realized, the high-band efficiency is relatively high, the gain is relatively large, the axial ratio is relatively low, the return loss is relatively small, the influence of the high-band on the low-band is relatively small, the overall performance is relatively excellent, the size can be relatively small, the miniaturization of the antenna is facilitated, and the antenna structure is convenient to carry and install.

This invention discloses a substrate integrated waveguide slot antenna array with a power divider network, comprising: a substrate; metal layers located on both sides of the substrate; metallized vias penetrating the substrate to achieve electrical connection between the metal layers on both sides of the substrate; a radiating assembly including multiple radiating elements arranged along a first direction; each radiating element including a substrate integrated waveguide double T-junction, two short-circuited SIW cavities, a central slot, and two alternating slot arrays; the two short-circuited SIW cavities and the two alternating slot arrays are symmetrically arranged on both sides of the central slot with the center line of the central slot as the axis of symmetry; each alternating slot array includes multiple longitudinal slots arranged along a second direction, the multiple longitudinal slots being alternately staggered relative to the central slot along the first direction, the second direction being perpendicular to the first direction; and a feeding assembly located at at least one end of the radiating assembly along the first direction. This invention provides a compact antenna array structure, realizing antenna miniaturization and a two-dimensional SIW array power divider network design.