39 results about "Microstrip patch antenna array" patented technology

The invention belongs to the technical field of materials and radomes and discloses an X / K-band composite metamaterial. The X / K-band composite metamaterial comprises a dielectric substrate made of nonconductive material. A metal foil layer is attached to the lower surface of the dielectric substrate, and a resistive film layer is attached to the upper surface of the dielectric substrate. The dielectric substrate, the metal foil layer and the resistive film layer are virtually divided into a plurality of periodically-arranged unit structures. A square metal foil is made on a metal foil layer of each unit structure by etching. A square circular resistive film is made on a resistive film layer of each unit structure by sputtering. Two slots identical in size and perpendicular to each other are made in each square metal foil by hollowing. The frequency selective surface structure of the X / K-band composite metamaterial allows a circularly-polarized microstrip patch antenna array to be consistent in good radiation characteristic under the K band; meanwhile, under the X band, the absorbing material structure of the X / K-band composite metamaterial can absorb incoming electromagnetic wave to allow invisibility.

The invention relates to a wide band one-layer microstrip patch antenna, which solves the problem of narrow impedance width in the currently common microstrip antenna. The microstrip patch of the antenna is a one-layer microstrip patch; one end of a stair-stepping coplane microstrip line with two widths is inserted in the patch antenna by the open slot on a convex microstrip patch, and the other end of a feeding microstrip line is positioned at the edge of a microstrip dielectric-slab; a concave metal carinal cavity is arranged at the back surface of the microstrip dielectric-slab excluding the position corresponding to the microstrip patch and in the middle of structural mounting plate. The wide band one-layer microstrip patch antenna can form a large microstrip patch antenna array easily, which is in favor of impedance matching of the antenna, the subnetwork design for microstrip work, the weight reduction of the antenna and the bandwidth widening of the antenna; the wide band one-layer microstrip patch antenna of the invention has the advantages of simple and compact structure and small cross section, which improves the telecommunication performance and reduces the whole weightof the antenna array.

The present invention discloses a three-dimensional integrated packaging based on a millimeter wave antenna and a silicon-based multi-channel component. The packaging comprises a radiation layer, wherein the radiation layer is a micro-strip patch antenna array; a high resistivity silicon substrate with a TSV feeding structure; a dielectric wiring layer with microwave wirings and digital wirings; asurrounding frame with a TSV three-dimensional vertical transmission structure and an air-tightness packaging cover plate with a TSV transmission structure. According to the packaging, by integratingthe micro-strip patch antenna array, microwave chip(s), digital chip(s) and passive device(s) in a same module via a MEMS process at the same time, the middle part of the surrounding frame has the TSV structure capable of realizing vertical transmission of microwave signal(s), so that integration degree is relative high, the microwave properties are good, the multi-functionalization and the miniaturization of the components can be realized.

The invention discloses a broadband micro-strip antenna array coupling structure, and aims to provide a micro-strip patch antenna array, which is simple in structure, is conveniently and quickly debugged and can effectively reduce side-lobe levels of antennae. According to the technical scheme, a micro-strip patch antenna array body consists of a plurality of antenna radiation units longitudinally arranged on a dielectric support, wherein a coupling groove is formed below a radiation patch of each antenna radiation unit; the length of the coupling groove of each antenna radiation unit is progressively decreased from middle to two ends, so that a gradually variable coupling groove length aperture coupling form is achieved; the antenna radiation units with the coupling grooves which are equal in length are arranged in pairs on the array body; the lengths of the coupling grooves which are symmetrically formed in pairs from left to right are equal; the patch of each antenna radiation unit feeds through a unit feeder perpendicularly passing through the corresponding coupling groove. According to the broadband micro-strip antenna array coupling structure, the lengths of the coupling grooves are progressively decreased from middle to two ends, so that excitation current for the coupling of the feeders to the patches is changed, and the side-lobe levels of the antennae are reduced.

A dual-polarized antenna, and an associated methodology, is provided for a radio device, such as a mobile station. The antenna is formed of a plurality of patches configured into an array, symmetrical in both a first polarization direction and a second polarization direction. Adjacent patches of the array are interconnected by connecting strips that are also symmetrically positioned in the two directions. These connecting strips not only act as feeding lines for the patches but also operate as in-phase radiation elements in each polarization direction. A transverse strip extends between a pair of transversely positioned patches. And a single feed connection is provided thereat.

The invention discloses a three-dimensional integrated millimeter wave AiP phased array element. A millimeter wave microstrip patch antenna array layer, an antenna feed network layer, a millimeter wave signal transmitting and receiving circuit layer, a millimeter wave signal three-dimensional vertical transmission layer, a millimeter wave circuit shielding layer, a power division network and digital signal layer and a bottom BGA signal input layer are sequentially arranged from the top layer to the bottom layer. According to the invention, a silicon semiconductor integrated packaging process and a glass wiring process are adopted, passive devices such as a millimeter wave microstrip patch antenna, a feed network, a microwave chip, a digital chip, an IPD and the like are packaged into a miniaturized three-dimensional integrated millimeter wave AiP phased array element, and input and interlayer vertical transmission of millimeter wave signals are realized by utilizing high-density integrated BGA, TSV and Bump.

An antenna frame for reducing radar cross section of a vehicle provided with a flat microstrip patch antenna array comprising a number of microstrip patches arranged in an array pattern, the antenna frame:—being arranged to surround the outer periphery of the flat antenna array—the frame comprising a first conductive sheet;—the first conductive sheet extending from the most peripheral patches and outward in a sloping manner; wherein dielectric and magnetic absorbent material are arranged to improve impedance transition from a point of the antenna to a point on the periphery of the frame, which is also contemplated as adjoining a vehicle fuselage.

The present invention provides a vehicle-mounted array radar antenna and an automotive lamp. The vehicle-mounted array radar antenna is embedded in the lampshade of the automotive lamp; and the vehicle-mounted array radar antenna includes a microstrip patch antenna array, a dielectric substrate, and a reflection surface, wherein the microstrip patch antenna array is located at the upper surface ofthe dielectric substrate and is connected with the upper surface of the dielectric substrate, and the reflection surface is located at the lower surface of the dielectric substrate and is connected with the lower surface of the dielectric substrate. The vehicle-mounted array radar antenna provided by the invention has the advantages of low profile, simple structure and convenient installation. The vehicle-mounted array radar antenna is embedded in the lampshade of the automotive lamp with no additional materials adopted; the microstrip array antenna is adopted, and therefore, requirements ofhigh gain and small angles can be met.

An antenna assembly for transmitting or receiving radio waves, comprising: at least one patch antenna element; a three-dimensional (3D) microstrip line feeding network configured to feed the at least one patch antenna element for operation in dual polarisation, the 3D microstrip line feeding network comprising an upper layer and a lower layer; and a ground plane; wherein a first air gap is provided between the at least one patch antenna element and the ground plane, a second air gap is provided between the upper layer of the 3D microstrip line feeding network and the ground plane, and a third air gap is provided between the lower layer of the 3D microstrip line feeding network and the ground plane.

The invention discloses a dual-frequency phased array antenna loaded with a ferroelectric-film phase shifter. The dual-frequency phased array antenna is composed of a dielectric substrate, ground plates, a radiation patch, a microstrip feed network and a BST film phase shifter. The radiation patch is set to have a fan-shaped structure. The BST film phase shifter consists of a signal line, a BST ferroelectric film, and interdigital capacitors; and the interdigital capacitors arranged at the two sides of the signal line symmetrically to form a coplanar waveguide (CPW) structure. The ground plates are arranged at the outer side of the outer sides of the interdigital capacitors symmetrically. And the thickness of the dielectric substrate is 280 to 320 mm. According to the invention, the coplanar interdigital capacitor waveguide type BST ferroelectric-film phase shifter is used as a phase shift unit working at 15-GHz and 18-GHz dual-frequency-band antenna array. On the basis of changing ofthe original rectangular microstrip patch antenna array, a 1*4 fan-shaped microstrip patch antenna array is used creatively. Overall modeling simulation is carried out by using electromagnetic simulation software HFSS. With simulation and giving of different biased electric fields, the radiation steering angle of the antenna array is debugged to realize turning with the angle of +22 degrees or -22degrees of the antenna array.

The invention discloses a high-isolation low-profile dual-polarized antenna applied to a WLAN. The antenna is composed of a single-sided microstrip circuit board and a grounding structure board with arectangular air back cavity. Antenna working bandwidth expansion is realized, meanwhile, the structural advantages and the radiation performance of the single-layer microstrip antenna are maintained,the innovative structural form of the single-layer microstrip and the back cavity is used, the microstrip patch antenna array which has the advantages of being simple in structure, low in profile, capable of being integrated with a feed network easily and the like and conveniently achieve high efficiency and low profile is designed.

Provided are a vehicle-mounted array radar antenna and a vehicle lamp. The vehicle-mounted array radar antenna is embedded in a shade of a vehicle lamp. The vehicle-mounted array radar antenna comprises a microstrip patch antenna array, a media substrate and a reflecting surface. The microstrip patch antenna array is positioned at and connected to an upper surface of the media substrate. The reflecting surface is positioned under and connected to a lower surface of the media substrate. The vehicle-mounted array radar antenna has a low profile and a simple structure and can be conveniently installed in the shade of the vehicle lamp without needing any additional material. Moreover, the use of a microstrip array antenna satisfies the requirements of high gain and a small angle.

The invention provides an active phased array antenna unit-level inner monitoring device. The active phased array antenna unit-level inner monitoring device comprises a microstrip patch antenna array,a coupling feeder line, an equal-power-dividing power divider, an absorption resistor, a microwave dielectric substrate and a radio frequency monitoring port. The microstrip patch antenna array unitcan adopt any patch form, and the array can adopt any array arrangement mode; the absorption resistor is connected to one end of the coupling feeder line, and the other end is used for performing cascading on the coupling feeder lines through the equal-power-dividing power divider; the length of the coupling feeder line can be adjusted according to actual design requirements, and the microstrip patch antenna array units of any numbers can be covered; and the microstrip patch antenna array, the coupling feeder line and the equal-power-division power divider are all printed on the single-layer microwave dielectric substrate. The microstrip patch antenna array and the monitoring module are integrated, so that the quantity of equipment and the number of cables can be reduced, and compared withthe conventional monitoring module which adopts a multilayer lamination or multilayer board penetration interconnection technology, the monitoring module of the invention is easy to machine and implement, and has the characteristics of being low in cost, high in reliability, high in integration level and convenient to manufacture and assemble.

An antenna frame for reducing radar cross section of a vehicle provided with a flat microstrip patch antenna array comprising a number of microstrip patches arranged in an array pattern, the antenna frame: —being arranged to surround the outer periphery of the flat antenna array —the frame comprising a first conductive sheet; —the first conductive sheet extending from the most peripheral patches and outward in a sloping manner; wherein dielectric and magnetic absorbent material are arranged to improve impedance transition from a point of the antenna to a point on the periphery of the frame, which is also contemplated as adjoining a vehicle fuselage.

A patch antenna array includes a plurality of patch antenna elements spaced apart from each other and arranged as an array. Each patch antenna element has a substrate, a radiating patch associated with the substrate and a ground plane associated with the substrate. The patch antenna elements are discrete and separate from each other. At least one element frame holds the discrete antenna elements in the array. Each element frame captures and positions at least two patch antenna elements relative to each other.

An antenna assembly for transmitting or receiving radio waves, comprising: at least one patch antenna element; a three-dimensional (3D) microstrip line feeding network configured to feed the at least one patch antenna element for operation in dual polarisation, the 3D microstrip line feeding network comprising an upper layer and a lower layer; and a ground plane; wherein a first air gap is provided between the at least one patch antenna element and the ground plane, a second air gap is provided between the upper layer of the 3D microstrip line feeding network and the ground plane, and a third air gap is provided between the lower layer of the 3D microstrip line feeding network and the ground plane.

The present invention discloses an electrostatic discharge device with both measurement and emission functions. The device comprises a base, one end of which is fixedly connected to an electrostatic discharger. The outer wall of the electrostatic discharger is covered with an insulating sleeve, and a microstrip patch antenna array is mounted on the outer wall of the insulating sleeve. The present invention also discloses a method for monitoring electrostatic current signals. The electrostatic discharge device with both measurement and emission functions disclosed in the present invention and the method thereof address the problem that existing electrostatic dischargers have difficulty monitoring discharge current during aircraft flight.

The invention provides a single-layer broadband microstrip patch antenna array. The single-layer broadband microstrip patch antenna array comprises a plurality of array elements and folding gaps, the folding gap is located between two array elements, and the distance between the folding gap and the two adjacent array elements is equal; the folding gaps comprise transverse short gaps and longitudinal long gaps; and the end points of the transverse short gaps and the longitudinal long gaps are vertically crossed and circularly connected. By arranging the folding gap between the two array elements, the isolation between the adjacent array elements is improved, so that the influence of other array elements on each array element is reduced, the consistency of amplitude and phase response of each array element to incident electromagnetic waves is improved, and a positioning signal obtained based on the antenna array is more accurate.

A dual-polarized antenna, and an associated methodology, is provided for a radio device, such as a mobile station. The antenna is formed of a plurality of patches configured into an array, symmetrical in both a first polarization direction and a second polarization direction. Adjacent patches of the array are interconnected by connecting strips that are also symmetrically positioned in the two directions. These connecting strips not only act as feeding lines for the patches but also operate as in-phase radiation elements in each polarization direction. A transverse strip extends between a pair of transversely positioned patches. And a single feed connection is provided thereat.

The invention provides a microstrip patch antenna working in the millimeter wave band, an array and an array design method. The microstrip patch antenna working in the millimeter wave band is connected by the lower surface of the first dielectric substrate and the upper surface of the second dielectric substrate by means of pressing, and the upper surface of the first dielectric patch is arranged with radiation A patch, a feeding network with slits is arranged on the second medium substrate. The microstrip patch antenna of the present invention works in the millimeter wave band by selecting a medium with a dielectric constant similar to that of air to make a substrate, and is prepared by a pressing process, thereby avoiding the problems of difficult processing caused by introducing an air layer and unstable performance. , and has the characteristics of high bandwidth, high cross-polarization suppression, and high sidelobe suppression. The antenna array has significant advantages such as simple structure, large bandwidth, large gain, and good cross-polarization characteristics. In the design method of the antenna array, the effective current distribution can be realized only by designing the impedance distribution of the feeder, and the design is simpler and more flexible.

The application discloses an ultra-low profile wideband circularly polarized microstrip patch antenna array and a design method thereof, the antenna array is constructed on a single-layer thin dielectric substrate, the antenna unit is composed of a substrate integrated waveguide resonant cavity and a microstrip patch resonator embedded in the center, and the combination of the double resonators is realized without increasing the size of the antenna. Adjacent antenna units are arranged with zero spacing, and share a metal column around the edge of the substrate integrated waveguide resonant cavity. By using the center slot, the ring slot and the four symmetrical slots connected thereto, two pairs of degenerate modes with orthogonal polarization and similar resonant characteristics are introduced, thereby forming four resonant points with similar radiation characteristics and similar resonant frequencies and two axial ratio zero points, so that the synchronous expansion of the impedance bandwidth and the axial ratio bandwidth is realized. In addition, the radiation cancellation effect along the two sides of the ring slot produces a radiation zero point near the upper edge of the passband, thereby improving the out-of-band suppression performance of the antenna.

The invention relates to a wide band one-layer microstrip patch antenna, which solves the problem of narrow impedance width in the currently common microstrip antenna. The microstrip patch of the antenna is a one-layer microstrip patch; one end of a stair-stepping coplane microstrip line with two widths is inserted in the patch antenna by the open slot on a convex microstrip patch, and the other end of a feeding microstrip line is positioned at the edge of a microstrip dielectric-slab; a concave metal carinal cavity is arranged at the back surface of the microstrip dielectric-slab excluding the position corresponding to the microstrip patch and in the middle of structural mounting plate. The wide band one-layer microstrip patch antenna can form a large microstrip patch antenna array easily, which is in favor of impedance matching of the antenna, the subnetwork design for microstrip work, the weight reduction of the antenna and the bandwidth widening of the antenna; the wide band one-layer microstrip patch antenna of the invention has the advantages of simple and compact structure and small cross section, which improves the telecommunication performance and reduces the whole weightof the antenna array.

The invention provides a parallel-fed microstrip patch antenna array, which comprises a first linear array and a second linear array, wherein the first linear array and the second linear array are connected in series through a main feeder line, and a second feeding point is arranged in the center of the main feeder line; the first linear array comprises a first microstrip line, eight microstrip patch units, eight sections of second microstrip lines and eight quarter impedance transformers, the eight microstrip patch units are distributed on the first microstrip line at equal intervals, the eight microstrip patch units are connected with the first microstrip line through the eight sections of second microstrip lines respectively, the center position of the first microstrip line is a first feeding point, and the eight quarter impedance transformers are uniformly distributed on the first microstrip line by taking the first feeding point as a symmetric center; and the second linear array and the first linear array are the same in structure. The parallel-fed microstrip patch antenna array provided by the invention is simple in design, few in patch units, small in antenna array size, relatively large in gain and relatively wide in 3dB bandwidth.

The invention discloses a three-dimensional integrated package based on a millimeter-wave antenna and a silicon-based multi-channel component, including a top-layer radiation microstrip patch antenna array, a high-resistivity silicon substrate with a TSV feeding structure, microwave wiring and digital The dielectric wiring layer of the wiring, the frame with the TSV three-dimensional vertical transmission structure, and the airtight packaging cover with the TSV transmission structure. The invention simultaneously integrates the microstrip patch antenna array, microwave chip, digital chip and passive device in the same module through MEMS technology, and the middle part of the surrounding frame has a TSV structure for vertical transmission of microwave signals, which has a high degree of integration and microwave Excellent performance enables multifunctionality and miniaturization of components.

The invention relates to an ultra-thin dual-frequency microstrip patch antenna array RFID tag antenna. The RFID tag antenna has a unit array (1), a substrate (2) and a substrate bottom plate (3), and a radiation unit array (1 ) has an asymmetric structure around the chip, the first radiating unit (5) and the third radiating unit (7) form the low-frequency resonant system of the RFID tag antenna (9), and the second radiating unit (6) and The fourth radiating unit (8) constitutes a high-frequency resonance system of the RFID tag antenna (9). In this way, the dual-frequency effect is realized, so that the RFID tag antenna of the present invention achieves the compatibility of the performance of two different frequency bands in Europe and the United States, and realizes the dual-frequency band characteristic.

The invention discloses a PE pipeline detection system and detection method based on a microstrip patch antenna array. According to the system, specific array antenna parameters and pipeline structure design are combined, and high-precision recognition and positioning of the internal defects of the pipeline are achieved. The microstrip patch antenna comprises a radiation patch, a dielectric substrate and a grounding plate. A 4 * 4 microstrip patch antenna array is adopted for the first time, non-contact detection is achieved through electromagnetic wave radiation and scattered echo analysis, and the problem of non-metal pipeline defect detection is solved. Different from ultrasonic detection, electromagnetic wave detection does not need a water or oil coupling medium, can be directly implemented on the outer wall of the pipeline, and is suitable for a field environment. Different from ray detection, the radiation safety problem does not exist, and the operation risk and cost are reduced. A compact antenna array with a single-end feed design is adopted, so that installation, carrying and pipeline welding seam area scanning are facilitated; the system is high in integration level, and can be combined with a signal source, a receiver and a data analysis module to form integrated equipment.

The invention discloses a foldable microstrip antenna array for satellite communication, and relates to the technical field of antennas. The double-layer dielectric substrate is arranged on the antenna carrier, the circular metal patches are respectively printed on the dielectric substrate, the metal patches are arranged in a 2 * 2 mode, rotation feeding with equal amplitude and phase sequentially lagging by 90 degrees is carried out through the 3 dB bridge, energy radiated by all the antenna units is superposed, and therefore the antenna gain is improved, and the antenna efficiency is improved. The microstrip patch antenna array can be folded along a yoz surface, can be folded in a carrier in a non-working state, has the characteristic of miniaturization and is convenient to carry and carry, the antenna is in left-hand circular polarization radiation in a frequency band range of 1.98-2.20 GHz, the axial ratio is smaller than 2 dB, the in-band gain is larger than 10 dBi, and the antenna is suitable for various working scenes.

The invention discloses a low-loss microstrip patch frequency scanning antenna array capable of scanning by a large angle in a limited bandwidth. The low-loss microstrip patch frequency scanning antenna array comprises an E-plane bend waveguide, a metal floor, a medium base plate, a waveguide gap microstrip patch mixed feeding structure and microstrip patch units, wherein one end of the E-plane bend waveguide is provided with a feeding port, and the other end of the E-plane bend waveguide is provided with a waveguide port which is connected with matched load; the metal floor is arranged on the E-plane bend waveguide; rectangular gaps are formed on the metal floor; the medium base plate is arranged on the metal floor; two rows of the microstrip patch units are arranged on the medium base plate; the number of each row of the microstrip patch units is as same as that of the gaps; all the microstrip patch units form the microstrip patch antenna array; a coupling microstrip patch is arranged on the medium base plate corresponding to each gap, on the medium base plate; microstrip transmission lines are symmetrically connected with the two sides of each coupling microstrip patch respectively; and the ports of the microstrip transmission lines are connected with the corresponding microstrip patch units respectively. The low-loss microstrip patch frequency scanning antenna array has the advantages of obviously reducing the loss of a frequency scanning slow wave line and improving the performance of the frequency scanning antenna.

The invention provides a dual-polarization microstrip patch antenna array of artificial surface plasmon polariton feed. Comprising a dual-polarized microstrip patch antenna array and two groups of series feed networks based on artificial surface plasmon polaritons, the series feed network based on the artificial surface plasmon polaritons is composed of a linear artificial surface plasmon polariton transmission line located on the lower surface of the dielectric substrate, four segments of V-shaped artificial surface plasmon polariton transmission lines located on the upper surface of the dielectric substrate and metal columns used for connecting the transmission lines on the upper surface and the lower surface of the substrate and integrated in the substrate. A radiation patch of the dual-polarized microstrip patch antenna array is located on the upper surface of a dielectric substrate, and a metal floor is located on the lower surface of the dielectric substrate. According to the invention, a series feed network based on artificial surface plasmon polaritons is used for feeding a dual-polarized microstrip patch antenna array; the single-layer structure is compact in structure and easy to process and implement; the antenna has good impedance bandwidth and stable directional diagram and directional radiation characteristics.