10394results about "Radiating elements structural forms" patented technology

The invention discloses a linear polarization in-band scattering reconfigurable radiation time-sharing regulation array antenna, which belongs to the technical field of antenna engineering, and comprises an antenna unit and a one-to-sixteen power divider, the antenna unit is connected with the one-to-sixteen power divider, and the antenna unit is connected with the one-to-sixteen power divider. The antenna unit comprises a first radiation patch, a first dielectric substrate, a second radiation patch, a second dielectric substrate, a feed coupling branch knot, a feed metal column, a third dielectric substrate, a perforated metal floor and a fourth dielectric substrate, and a first PIN tube, a second PIN tube, a feed transmission line, a direct current bias device, a reflective phase shifter and a low-pass filter are arranged at the bottom of the fourth dielectric substrate; the direct-current bias device is connected with the reflection type phase shifter and the feed transmission line through the low-pass filter, and the feed metal column sequentially penetrates through the third dielectric substrate, the perforated metal floor and the fourth dielectric substrate and is connected with the feed transmission line. According to the invention, the normal radiation efficiency of the antenna can be ensured, and the reconfigurability of antenna scattering can be effectively improved.

An antenna apparatus includes an antenna substrate with opposite first and second surfaces; and a PCB having opposite first and second surfaces. Antenna elements are disposed at the first surface of the antenna substrate. Electrically conductive columns, each having a first end attached to the second surface of the PCB and a second end attached to the second surface of the antenna substrate, secure the PCB to the antenna substrate and provide an electrical interconnect between the PCB and the antenna substrate. RFIC chips are each attached to the second surface of the antenna substrate and are coupled to the antenna elements. At least one circuit element is attached to the first surface of the PCB and electrically coupled to at least one of the RFIC chips through at least one of the electrically conductive columns.

The invention provides an electronic device which comprises a middle frame, a rear cover, a circuit board, a supporting piece, an antenna first sub-part and an antenna second sub-part, the rear cover is fixed to one side of the middle frame, an inner cavity and an air channel are formed between the rear cover and the middle frame, and the circuit board and the supporting piece are both installed in the inner cavity. The antenna first sub-part is fixed to the side, facing the rear cover, of the supporting piece and electrically connected with the circuit board, the antenna second sub-part is fixed to the side, facing the middle frame, of the rear cover or is a part of the rear cover, at least part of the antenna second sub-part is located in the air duct, and the area, facing the antenna second sub-part, of the rear cover is a non-signal shielding area. And the antenna first sub-part and the antenna second sub-part jointly form an antenna. The antenna area of the electronic equipment is large, and the antenna performance is good.

The invention discloses a broadband high-gain microstrip antenna, which is provided with a rectangular radiation patch, a symmetrical grooving parasitic patch, a dielectric substrate, a metal bottom plate and a polytetrafluoroethylene support column, the rectangular radiation patch and the symmetrical grooving parasitic microstrip are attached to the upper layer of the dielectric substrate; a certain distance is formed between the rectangular radiation patch and the slotted parasitic patch and is used for coupling electromagnetic waves; the upper dielectric substrate is provided with two through holes for feeding; the metal bottom plate and the upper-layer substrate are fixed through four polytetrafluoroethylene supporting columns; a space is reserved in the middle to form an air substrate; and an SMA interface is arranged below the floor. According to the microstrip patch antenna, the forms of differential feeding and parasitic patch adding are adopted, the high gain and broadband characteristics of the microstrip patch antenna are achieved, the profile of the antenna is kept within 0.1 lambda, and the unipolar radiation pattern is achieved while high performance is guaranteed. In addition, the antenna is relatively simple in technical structure and convenient for later processing, can be used as an array unit for arraying, and meets the requirements of modern communication.

The invention belongs to the technical field of antenna engineering, and particularly relates to an ultra-wide-band low-profile phased-array antenna, which realizes broadband impedance matching characteristics and effectively expands the working bandwidth of the antenna by optimizing a dipole arm structure and introducing a matching branch knot and linear tapered slot composite structure on a radiation unit layer; on the array architecture level, an electromagnetic metasurface technology is adopted, array current distribution is improved through a periodic artificial electromagnetic structure, the active standing-wave ratio is remarkably reduced, the scanning angle of an array is widened, and meanwhile high compression of a system profile is achieved; on the structural design level, a three-dimensional composite structure of a transverse metal floor, a longitudinal radiation layer and a transverse metasurface layer is innovatively constructed, and the overall section height is reduced to 0.137 lambda Low (lambda Low is the lowest working frequency wavelength) through electromagnetic coupling and space folding technologies; in conclusion, the ultra wide band (the relative bandwidth is greater than or equal to 90%) and the low profile (lt; and the method is suitable for a new generation of broadband phased array radar system.

Antenna elements and electronic devices are provided, including an antenna element includes a first radiator, a second radiator, and a radiator array. The first radiator is connected to a ground plane through a grounding component, the second radiator is spaced from the ground plane and disposed opposite to the ground plane, and the second radiator and the first radiator are spaced apart. The radiator array is spaced from the first radiator and disposed opposite to the first radiator, and is located on a side that is of the first radiator and that is further from the ground plane. The radiator array includes at least two sub-radiators, and the at least two sub-radiators are spaced from each other in an extension direction of a plane on which the radiator array is located. The first radiator includes a first hollow region, and the radiator array includes a second hollow region.

A low-band radiator comprises: a radiation substrate; a first dipole radiation portion formed from a conductor line on one surface of the radiation substrate and comprising two first loop arms each having the length extending in a predetermined first direction and formed in a loop shape having one end open; a second dipole radiation portion formed from a conductor line on one surface of the radiation surface, comprising two second loop arms each having the length extending in a predetermined second direction and formed in a loop shape having one end open, and disposed so as to intersect the first dipole radiation portion; and a balun portion coupled to the other surface of the radiation substrate and applying power feeding signals, respectively corresponding to the first and second loop arms, to two open ends of the loops.A low-band radiator comprises: a radiation substrate; a first dipole radiation portion formed from a conductor line on one surface of the radiation substrate and comprising two first loop arms each having the length extending in a predetermined first direction and formed in a loop shape having one end open; a second dipole radiation portion formed from a conductor line on one surface of the radiation surface, comprising two second loop arms each having the length extending in a predetermined second direction and formed in a loop shape having one end open, and disposed so as to intersect the first dipole radiation portion; and a balun portion coupled to the other surface of the radiation substrate and applying power feeding signals, respectively corresponding to the first and second loop arms, to two open ends of the loops.

The invention relates to a reconfigurable dual-mode leaky-wave antenna with global scanning capability and a reconfiguration method, the leaky-wave antenna comprises a double-layer slow-wave waveguide structure formed by an upper metal conductor and a lower metal conductor, and the upper metal conductor and the lower metal conductor are separated by a dielectric substrate; the double-layer slow-wave waveguide structure comprises a plurality of periodic units, and a plurality of T-shaped structures with opposite directions are processed on upper and lower layers of metal conductors of each periodic unit to form a plurality of grooves; a variable capacitance diode is embedded into the tail end of a slot arm of the upper-layer metal conductor and is electrically connected with the lower-layer metal conductor through a metal via hole, and a closed loop is formed between the upper-layer metal conductor and the lower-layer metal conductor; a plurality of elliptical radiation patches are arranged at the top of a slot arm of the lower metal conductor at intervals and used for radiation leakage of the slow wave waveguide, and continuous frequency scanning covering 180 degrees is achieved; according to the invention, two modes of frequency scanning and fixed-frequency scanning are fused, 180-degree global scanning can be realized in any frequency reconfigurable interval, and beams can be flexibly reconstructed through multiple control strategies under a fixed-frequency condition.

Disclosed are a wide-angle beam-scanning phased array based on near-field coupling and port self-decoupling and a design method thereof. This design method is different from traditional methods that require introduction of additional beam-broadening and decoupling structures, but aims to obtain wide-beam active element pattern by cleverly utilizing a near-field coupling effect between elements. Meanwhile, port self-decoupling technology is introduced into the phased array to achieve high port isolation and improve beam gain at large scanning angle. Therefore, a phased array with an extremely simple structure and an excellent beam-scanning performance, can be constructed based on typical narrow-beam antenna elements, without requiring additional beam broadening and decoupling structures.

An electronic device according to an embodiment includes: a display panel; a touch electrode layer disposed on the display panel and comprising at least one touch electrode; and a conductive wire disposed on the display panel, disposed on the same layer as the touch electrode layer, and generating a magnetic field signal for driving a stylus pen.

The invention provides an antenna assembly and electronic equipment. The electronic equipment comprises a middle frame, the middle frame comprises a frame and a middle plate, the frame surrounds the middle plate, and the frame comprises a first edge extending in the first direction, a second edge extending in the second direction and a bending area connected to the first edge and the second edge; the antenna assembly comprises a first antenna unit and a second antenna unit, the first antenna unit and the second antenna unit are arranged on the two sides of the bending area respectively, the first antenna unit is arranged on the first side, and the second antenna unit is arranged on the second side; the orthographic projection of the first antenna unit on the plane where the middle plate is located and the orthographic projection of the second antenna unit on the plane where the middle plate is located are not overlapped, so that the antenna assembly has better radiation characteristics, and the electronic equipment has better communication performance.

The embodiment of the invention provides a ka and k waveband dual-frequency dual-polarization broadband wide-angle scanning common-aperture antenna unit and an antenna array, and relates to the technical field of common-aperture antenna arrays, the antenna unit comprises an antenna unit substrate, a low-frequency antenna, a high-frequency antenna and a wide-angle matching layer; the low-frequency antenna and the high-frequency antenna are arranged in the antenna unit substrate, and the high-frequency antenna comprises a shielding enclosure frame which is located between the low-frequency antenna and the high-frequency horizontal polarization L-shaped feed probe and between the low-frequency antenna and the high-frequency vertical polarization L-shaped feed probe; the wide-angle matching layer is arranged on the front surface of the antenna unit substrate and is positioned above the low-frequency antenna and the high-frequency antenna; wherein the low-frequency antenna is an L-shaped probe coupling microstrip patch antenna with a shielding enclosure frame, and the high-frequency antenna is a slot antenna. The antenna is simple in structure, employs a printed board technology, is very low in processing difficulty, is lower in cost, and is easy to be interconnected with rear-end equipment.

The invention relates to the technical field of wireless communication and sensing, and particularly discloses a holographic amplitude weighting-based two-dimensional antenna array multi-beam scanning method, which comprises the following steps of: determining the position information of each radiation unit in a two-dimensional antenna array, including calculating the interval and the arrangement mode of the units; an amplitude weighted value of each radiation unit is generated according to the target wave direction, a two-dimensional multi-beam holographic amplitude weighting technology is used, and the radiation unit amplitude weighted values are determined through the two-dimensional multi-beam holographic amplitude weighting technology; generating a corresponding binary discretization coding sequence based on the amplitude weighted value so as to control the excitation amplitude of each radiation unit; and designing a liquid crystal-based Ka-band two-dimensional holographic beam scanning leaky-wave antenna square array, and regulating and controlling a radiation pattern of a two-dimensional antenna array through the coding sequence to realize multi-beam scanning.

The invention relates to a circularly polarized quasi-absorption filtering phased-array antenna. A unit of the antenna comprises a multi-layer dielectric substrate, a semi-cured layer, a metal floor, a stacked patch and an orthogonal H-shaped gap, the first dielectric substrate is provided with a parasitic square loop, the second dielectric substrate is provided with a cross-shaped strip, and radiation zero points are introduced to the upper and lower edges of a passband respectively; the 3dB orthogonal directional coupler and the L-shaped feeder form a feed network, circularly polarized radiation is realized through slot coupling, and an isolation port of the 3dB orthogonal directional coupler is connected with a 50-ohm resistor, so that the energy of a lower stop band is absorbed, the energy of an upper stop band is reflected, and a quasi-absorption filtering characteristic is presented; the antenna is compact in structure and easy to process, has wide axial ratio bandwidth and good filtering performance, and when array scanning is 0-45 degrees, the overlapping impedance bandwidth is 12%, the axial ratio bandwidth is 15.8%, and the maximum scanning loss is 2.3 dB; the antenna is compact in structure and easy to process, has wide axial ratio bandwidth and good quasi-absorption filtering performance, and has huge potential in millimeter wave satellite communication application.

The invention relates to a forward millimeter wave radar antenna. The antenna comprises a body, a wide-beam waveguide antenna, a narrow-beam waveguide antenna and waveguide transmission channels, wherein the wide-beam waveguide antenna, the narrow-beam waveguide antenna and the waveguide transmission channels are integrated in the body; the waveguide transmission channels comprise a first waveguide transmission channel and a second waveguide transmission channel; the wide-beam waveguide antenna comprises a polarization conversion structure; the antenna unit comprises a first antenna radiation cavity, a first slot radiation slot and a first opening horn which are connected in sequence, and the polarization conversion structure is connected with the first antenna radiation cavity; a first choke groove; the narrow-beam waveguide antenna comprises a splitter which is connected with the second waveguide transmission channel; the antenna structure array comprises a plurality of sub-antenna structure units, and each sub-antenna structure unit comprises a second antenna radiation cavity, a second slot radiation slot and a second opening horn which are connected in sequence; and the second choke groove is arranged beside the antenna structure array. According to the invention, the requirements of short-distance wide-angle coverage and long-distance high-precision detection are met, and the production cost is reduced.

The dual-polarized antenna comprises a first dielectric substrate, a second dielectric substrate, a third dielectric substrate, a fourth dielectric substrate, a fifth dielectric substrate and a double-feed probe, the first dielectric substrate, the second dielectric substrate and the fifth dielectric substrate are stacked, one surface of the first dielectric substrate is provided with four centrosymmetric patch units, and the surface, close to the first dielectric substrate, of the second dielectric substrate is provided with a radiation patch coaxial with the patch units. A first I-shaped gap and a second I-shaped gap which are crossed, vertical and centrosymmetric are formed in the third dielectric substrate close to the second substrate surface, a plurality of first metalized via holes are formed in the periphery, and the gaps are coaxial with the patch unit; the fourth dielectric substrate is provided with a first T-shaped microstrip feeder line and a second T-shaped microstrip feeder line which are not in contact with each other, the periphery of the fourth dielectric substrate is provided with second metalized via holes which are in one-to-one correspondence with the first via holes, and the feeder lines are respectively corresponding to the I-shaped gaps; and the double-feed probe is respectively connected with the feed points of the first T-shaped microstrip feeder and the second T-shaped microstrip feeder through feed holes. By adopting the dual-polarized antenna, the port isolation and the wide-angle scanning range can be improved.

A hybrid antenna substrate of an embodiment comprises: a core part including a core layer and a core wiring layer laminated in the vertical direction; and an antenna part disposed on the core part, wherein: the antenna part comprises a plurality of antenna wiring layers successively laminated on the core part and antenna insulating layers disposed between the plurality of antenna wiring layers; and the core layer has a greater dielectric constant than the antenna insulating layers.

An antenna module is configured to receive a signal from a baseband circuit and to radiate a radio wave. The antenna module includes a dielectric substrate, radiating elements, and a connector. The dielectric substrate includes planar sections having different normal directions. A first radiating element is disposed in or on the planar section. A second radiating element is disposed in or on the planar section. The antenna module is configured to transfer a radio-frequency signal to a third radiating element, which is externally disposed, via the connector. The size of the second radiating element is smaller than that of the third radiating element.

A method for manufacturing a nozzle cap, the method including attaching an antenna printed circuit board (“PCB”) strip to an inner cover surface of an antenna cover; and inserting the antenna cover into a scallop defined by a circumferential wall of a cap body to position the antenna PCB strip between the antenna cover and the circumferential wall, the circumferential wall defining an outer wall surface, the antenna cover covering the scallop, the scallop extending radially inward into the circumferential wall relative to a first portion and a second portion of the outer wall surface, the scallop circumferentially positioned between the first portion and the second portion of the outer wall surface.

Provided are: an antenna device in which the minimum detection distance is shortened; and a radar device.　The antenna device comprises: a waveguide having a first opening, a second opening that is larger than the first opening when observed in a planar view of the opening, and an inner wall surface connecting the first opening and the second opening; an antenna that is provided inside the first opening so as to be positioned, when observed in a planar view of the opening, inside the first opening, directed toward the inside of the waveguide; and a radio wave lens provided inside the waveguide, the radio lens having a first surface located on the first opening side and located more toward the inside of the waveguide than the first opening, a second surface located on the second opening side and located more toward the inside of the waveguide than the second opening, and an outer edge part which is sized so as to close a gap between the inner wall surface and the outer edge part when observed in a planar view of the opening.

The utility model discloses a waveguide slot antenna comprising a feed port layer, a slow wave line layer and a radiation slot layer which are stacked in sequence. The feed port layer is provided with a feed port used for inputting electromagnetic waves or outputting electromagnetic waves. The end face of one end, facing the feed port layer, of the slow wave line layer is provided with a snakelike slow wave cavity, one end of the snakelike slow wave cavity is provided with a feed signal end, and the feed signal end is correspondingly connected with the feed port. A plurality of waveguide radiation slots are formed in the snake-shaped channel of the snake-shaped slow wave cavity at intervals; a plurality of radiation cavity units in one-to-one correspondence with the waveguide radiation slots are arranged on the end face of one end, facing the slow wave line layer, of the radiation slot layer at intervals, a plurality of radiation slots are arranged in the radiation cavity units at intervals, and signal connecting ends correspondingly coupled with the waveguide radiation slots are arranged at one ends of the radiation cavity units. According to the utility model, the scanning angle of the antenna can be increased to adapt to application occasions with high antenna scanning angle requirements, and the adaptability is high.

An antenna that enables dense packing of radiators includes a plurality of first radiators configured to radiate in a first frequency band and a plurality of second radiators configured to radiate in a second frequency band, the second frequency band having higher frequencies than the first frequency band. each of the plurality of first radiators includes a plurality of dipole arms. Each of the plurality of dipole arms includes a periodic pattern of inductive choke segments, and each of the dipole arms has a broken peripheral current path.

An antenna, an antenna assembly, and a base station includes a radome, a first antenna portion, and a second antenna portion. The first antenna portion is disposed inside the radome, and the second antenna portion is coupled to the first antenna portion, disposed outside the radome, and exposed to a surrounding environment. In this way, the radome does not need to cover the entire antenna, but covers only a portion of the antenna. Therefore, a wind load acting on a support structure by using the radome can be reduced. In addition, a cavity is provided to accommodate transmission lines of the antenna together, so that use of a connecting device such as a jumper can be reduced or even avoided, to reduce a transmission loss of the antenna.

The invention discloses a multi-mode circularly polarized OAM (orbital angular momentum) filtering antenna based on an artificial surface plasmon. According to the antenna, the SSPP leaky-wave antenna and the HMSIPW filter are integrated, so that efficient emission of multi-mode OAM beams is realized, and the antenna has low axial ratio, high gain and good directional diagram matching performance; the SSPP leaky-wave antenna is composed of an Archimedes spiral line type SSPP waveguide and annularly distributed patches, wherein the SSPP waveguide realizes accurate regulation and control of dispersion characteristics through the combination of periodic sawtooth comb lines and uniform spiral lines; the HMSIPW filter is composed of a dielectric substrate layer, a metalized through hole and a gradient rectangular structure, impedance matching of a micro-strip and double lines is achieved, insertion loss is reduced, and radiation performance is improved. Compared with a traditional design, a filtering function is integrated, higher harmonic radiation and low-purity high-mode OAM are inhibited through the overall design, and selectivity and radiation energy uniformity are improved.

Provided in the present application are a filter antenna, an antenna feed system, a base station and a communication system. The filter antenna in the present application comprises a radiating surface, a filter and a metal back cavity, wherein the radiating surface comprises a dielectric substrate, a feed network and a radiating structure, the feed network and the radiating structure being arranged on a surface of the dielectric substrate; the dielectric substrate covers the metal back cavity; the filter is accommodated in the metal back cavity; the feed network comprises a combination point and an adapter, the combination point and the adapter being connected by means of a conductive wire; the radiating structure comprises a feed patch, the adapter and the feed patch being connected by means of a conductive wire; and the filter comprises a probe, the probe being connected to the combination point. In the present application, a combination point is connected to a feed source by means of a filter, so that a feed network excites electromagnetic waves, and the electromagnetic waves are radiated by means of a feed patch. The filter antenna provided in the present application integrates a filter and a radiating surface, such that the filter antenna has a smaller size and lower loss, thereby helping to improve the integration level of an antenna feed system and thus realizing the miniaturization design of the antenna feed system.

The utility model provides an umbrella-shaped antenna surface structure, which comprises a flexible antenna arc surface layer, a plurality of reinforcing layers and reinforcing ribs, the flexible antenna arc surface layer is an umbrella-shaped structure with a through hole in the middle, and the plurality of reinforcing layers are laid on the flexible antenna arc surface layer at intervals; and the plurality of reinforcing ribs are uniformly laid at intervals along the circumferential direction of the flexible antenna arc surface layer and are used for fixedly connecting the flexible antenna arc surface layer with the reinforcing layer. According to the utility model, the reinforcing layers are made of the toughened epoxy resin unidirectional carbon fiber prepreg, the placement direction is perpendicular to the reinforcing ribs, and the reinforcing layers are arranged at intervals, so that a reinforcing structure similar to a spider net structure is formed, and the arrangement of the reinforcing structure is beneficial to providing a strong supporting effect in the longitudinal and transverse directions when the antenna surface is unfolded; the overall stability when the flexible antenna surface is unfolded is maintained, the surface precision of the antenna surface is improved, the structural arrangement is reasonable and scientific, the weight of the antenna surface is light, and the surface precision is high.

Embodiments of this application provide an antenna, and an electronic device. The antenna includes a radiating patch layer, a ring-shaped metal layer, a first metal layer, and a feed element. The radiating patch layer includes four radiating patches that are distributed in a 2×2 array. The ring-shaped metal layer is disposed in correspondence with a peripheral edge part of the radiating patch layer, and is coupled and connected to the radiating patch layer. A plurality of metal columns are disposed on the first metal layer. The plurality of metal columns are electrically connected to the ring-shaped metal layer.

The invention provides electronic equipment. The electronic equipment comprises an antenna. The working frequency band of the antenna comprises a satellite communication frequency band. According to the antenna, conductive parts of a frame serve as a first radiator and a second radiator. According to the antenna, the radio frequency signals with different phase differences are fed into the first radiator and the second radiator, so that directional diagrams with different maximum radiation directions can be generated, and the experience of a user in satellite communication can be improved.

The invention provides a common-caliber dual-polarization indoor distribution antenna and communication equipment, the common-caliber dual-polarization indoor distribution antenna comprises a vertical polarization antenna, a horizontal polarization antenna and a feed structure, the vertical polarization antenna comprises a metal floor, a triangular metal plate, a plurality of grounding metal columns and a first copper-clad layer, the triangular metal plate and the plurality of grounding metal columns are arranged between the metal floor and the first copper-clad layer; the horizontally polarized antenna comprises a double-layer dielectric plate and a slot array, the bottom of the double-layer dielectric plate is coated with copper to form a first copper-coated layer, and the slot array is arranged at the top of the double-layer dielectric plate; the horizontally-polarized antenna and the vertically-polarized antenna are arranged in a common-caliber mode, the structure is simple, and the size is small. The feed structure comprises a first feed structure and a second feed structure, the first feed structure is connected with the vertical polarized antenna, and the second feed structure is connected with the horizontal polarized antenna; the first feed structure and the second feed structure are arranged on the metal floor in a non-overlapping manner, so that coupling interference is avoided.

A device may include a mainboard including a grounding unit, a radio-frequency circuit, and a conductor, wherein an annular radiation slot is provided on the conductor. The device may include a feeding terminal having a first end connected to a feeding point of the conductor and a second end electrically connected to the radio-frequency circuit of the mainboard. The device may include a first inductor having a first end connected to a grounding point of the conductor and a second end electrically connected to the grounding unit of the mainboard. The device may include a first capacitor provided in the annular radiation slot and having two electrodes respectively connected to both ends of the annular radiation slot in a width direction of the annular radiation slot, located between the feeding terminal and the first inductor in a length direction of the annular radiation slot.