Abstract: Embodiments of the present disclosure provide an antenna unit and a terminal device. The antenna unit includes an insulating groove, M feeding parts disposed in the insulating groove, M couplers, a first insulator, at least two radiators carried on the first insulator, a first radiator disposed at a bottom of the insulating groove, and an isolator disposed around the M couplers, where the M feeding parts are insulated from the first radiator and the isolator, the M couplers are located between the first radiator and the first insulator, each of the M feeding parts is electrically connected to one coupler, each of the M couplers is coupled to the at least two radiators and the first radiator, resonance frequencies of different radiators are different, and M is a positive integer.

Abstract: The maximum capacity of a very fast memory in a system that requires very fast memory access times is increased by adding a memory with remote access times that are slower than required, and then moving infrequently accessed data from the memory with the very fast access times to the memory with the slow access times.

Abstract: A terminal device includes a metal frame. At least two slots are disposed on a side of the metal frame, at least two antenna feedpoints are disposed on an inner side wall of the metal frame, and different antenna feedpoints in the at least two antenna feedpoints are located on side edges of different slots. A signal reflection wall is further disposed inside the terminal device, and a gap exists between the signal reflection wall and the at least two slots. The signal reflection wall is formed by a metal outer wall of a battery of the terminal device. The metal frame and the signal reflection wall are both electrically connected to a ground plate of the terminal device.

Abstract: An antenna unit and a terminal device are provided. The antenna unit includes a target metal groove, M feed portions arranged at the bottom of the target metal groove, M coupling bodies and a first insulator which are arranged in the target metal groove, and at least two radiating bodies borne by the first insulator, wherein the M feed portions are insulated from the target metal groove, the M coupling bodies are located between the bottom of the target metal groove and the first insulator, each of the M feed portions is electrically connected to one coupling body respectively, each of the M coupling bodies is coupled with the at least two radiating bodies and the target metal groove, different radiating bodies have different resonance frequencies, and M is a positive integer.

Abstract: An electronic device includes a display unit, where the display unit includes a touch layer and a liquid crystal panel that are stacked, the touch layer is located on an outer side of the liquid crystal panel, and the touch layer includes an ITO wiring region, where the ITO wiring region includes a first region and a second region, antenna units are disposed in the first region, and ITO wirings are disposed in the second region, and the antenna units and the ITO wirings are insulated.

Abstract: A terminal device includes: a screen and a mainboard, where an edge of the screen has a clearance area. The terminal device further includes a first RFIC and at least one antenna element. At least a portion of the antenna element is disposed within the clearance area. The antenna element is connected to the first RFIC, the first RFIC is disposed on a first FPC of the screen, and the first FPC is connected to the mainboard through a first BTB connector.

Abstract: An antenna element includes: a target metal groove, M feeding components disposed at the bottom of the target metal groove, M feeding arms and a first insulator disposed in the target metal groove, and a target radiator carried by the first insulator. Each feeding component of the M feeding components is electrically connected to a feeding arm, and the M feeding components are isolated from the target metal groove. The M feeding arms are located between the bottom of the target metal groove and the first insulator, and the M feeding arms is distributed along the diagonal direction of the target metal groove. Each feeding arm of the M feeding arms is coupled to the target radiator and the target metal groove, and a resonance frequency of the target radiator is different from a resonance frequency of the target metal groove, and M is a positive integer.

Abstract: An electronic device, which includes a frame body, where the frame body includes a first metal arm and a second metal arm, and the first metal arm and the second metal arm define a fracture therebetween, and the first metal arm is coupled to the second metal arm via the fracture; and the electronic device further includes a dielectric radiator, a feeding structure, and a transmission line, where the feeding structure is provided on the dielectric radiator. The feeding structure is electrically connected to a radio frequency module of the electronic device via the transmission line, and the dielectric radiator is at least partially located within the fracture; where a radio frequency signal output by the radio frequency module excites, via the feeding structure, the dielectric radiator to radiate.

Abstract: An antenna structure and a high-frequency multi-band wireless communication terminal are provided. The antenna structure includes: a metal plate, on which a first accommodation groove is provided; an antenna unit, including a radiating patch and a first coupling piece; and a radio frequency module, where the radio frequency module is disposed on a first side of the metal plate, and the radio frequency module is electrically connected to the radiating patch; where at least one of the radiating patch and the first coupling piece is disposed inside the first accommodation groove, the radiating patch is insulated from the metal plate, the first coupling piece is insulated from the metal plate, the radiating patch and the first coupling piece are disposed opposite to each other, the radiating patch is insulated from the first coupling piece, the first coupling piece is located between the radiating patch and the radio frequency module.

Abstract: A terminal device includes a metal frame. At least two slots are provided on one side of the metal frame; at least two antenna feed points are provided on an inner side wall of the metal frame, and different antenna feed points in the at least two antenna feed points are located on sides of different slots. The terminal device is further provided therein with a signal reflecting wall, and there is a gap between the signal reflecting wall and the at least two slots. The signal reflecting wall is formed by a metal wall of a battery compartment of the terminal device, and the signal reflecting wall is a reflective curved surface that is convex. The metal frame and the signal reflecting wall are electrically connected with a ground plate in the terminal device.

Abstract: An antenna structure includes a metal plate and a spiral radiator. The metal plate is provided with a first surface and a second surface that are disposed oppositely. An accommodating groove is formed in the metal plate and adjacent to the first surface. The spiral radiator is mounted in the accommodating groove and insulated from the metal plate, and the spiral radiator is provided with a feed end used to be connected to a feed source.

Abstract: An antenna structure includes a resonant arm, a first feed line portion, a first floor, a substrate, a second floor, a second feed line portion, and at least two radiation pieces. The resonant arm is electrically connected to the first floor through the first feed line portion. The substrate is attached to the second floor. The second floor is disposed on a surface of the substrate proximate to the first floor. Two ends of a shield layer of the second feed line portion are connected to the first floor and the second floor, respectively. The at least two radiation pieces are disposed on a surface of the substrate away from the second floor. The second feed line portion wraps a feed line inside. The feed line passes through the substrate and the second floor and electrically connects to the at least two radiation pieces.

Abstract: An antenna structure includes: a metal plate disposed with a first accommodating groove; an antenna unit including a radiation piece and a coupling piece; and a radio frequency module disposed on a first side of the metal plate and electrically connected to the radiation piece. At least one of the radiation piece and the coupling piece is disposed in the first accommodating groove. The radiation piece is insulated from the metal plate, the coupling piece is insulated from the metal plate, the radiation piece is disposed opposite to the coupling piece and insulated from the coupling piece. The radiation piece is located between the coupling piece and the radio frequency module. The radiation piece is configured to generate a resonance in a first preset band, and the coupling piece is configured to expand the bandwidth of the resonance in the first preset band.

Abstract: A powder injection of a donepezil semi palmoxiric acid salt, a composition containing the same and a preparation method therefor. The powder injection contains donepezil semi palmoxiric acid salt crystals having an average particle size of 2-52 ?m.

Abstract: An antenna of a terminal device, the antenna includes a metal frame, a side of the metal frame is provided with at least two slot units, each slot unit includes a first slot ring and a second slot ring, the first slot ring and the second slot ring communicate through a third slot, an outer edge circumference of the first slot ring is different from that of the second slot ring. Portions of the metal frame on both sides of the third slot are provided with an antenna feed point and a ground feed point, respectively. The metal frame is electrically connected with a ground plate in the terminal device.

Abstract: An antenna of a terminal device, the antenna includes a metal frame, a side of the metal frame is provided with at least two slots, and the slots are ring-shaped slots. Portions of the metal frame at two sides of each slot of the at least two slots are provided with two groups of feed points, and each group of feed points includes an antenna feed point located on a portion of the metal frame at the inner side of the slot, and a ground feed point located on another portion of the metal frame at the outer side of the slot. The metal frame is electrically connected to a floor in the terminal device.

Abstract: A method for structuring pedestrian information, device, apparatus and a storage medium are disclosed. The method may include: obtaining target image data including at least one video image frame; performing human face and shape detection on the target image data by means of a preset target detection model to determine target detection information, the target detection model being a depth detection model configured to simultaneously detect a human shape and a human face; and respectively performing trajectory tracking and attribute analysis based on the target detection information to determine pedestrian trajectory tracking information and pedestrian attribute information.

Abstract: An antenna module and an electronic device are provided. The antenna module includes: a substrate, including a floor, a first dielectric layer, and a second dielectric layer, where the first dielectric layer and the second dielectric layer are located on two sides of the floor, respectively; a millimeter wave antenna array, including N dipole antenna units, where the N dipole antenna units are successively disposed in the substrate at an interval along the substrate, and N is an integer greater than 1; a radio frequency integrated circuit, where the radio frequency integrated circuit is disposed on the first dielectric layer and is connected to feeding structures of the N dipole antenna units; and a non-millimeter wave antenna, where the non-millimeter wave antenna is disposed on the second dielectric layer.

Abstract: A terminal device is provided. The terminal device includes a feed, a metal frame, and a radiating patch. At least two grooves are disposed on an outer surface of the metal frame, two through-holes are disposed in each groove, the radiating patch is disposed in each groove, the metal frame is grounded, two antenna feeding points are disposed on each radiating patch, the feed is connected to one feeding point through one through-hole, the antenna feeding points in each groove are in a one-to-one correspondence with the through-holes, and each radiating patch is insulated from the groove by using a non-conducting material.

Abstract: A terminal device includes feed sources, a metal frame, coupling patches, and radiating patches, where at least two grooves are formed in the outer side surface of the metal frame, two first through holes are formed in each groove, a coupling patch and a radiating patch are arranged in each groove; the coupling patch in each groove is arranged between the radiating patch and the bottom of the groove, and two second through holes are formed in the coupling patch; two antenna feed points are arranged on each radiating patch, each feed source is connected to one antenna feed point through one first through hole and one second through hole; and the metal frame, the coupling patch, and the radiating patch are not in contact with one another, and an area of the radiating patch is less than an area of the coupling patch.