Abstract: An electronic device may have an antenna that conveys radio-frequency signals at frequencies greater than 10 GHz. The antenna may be embedded in a substrate. The substrate may have routing layers, first antenna layers on the routing layers, second antenna layers on the first antenna layers, and a third antenna layers on the second antenna layers. The antenna may include first traces on the first antenna layers, second traces on the second antenna layers, and third traces on the third antenna layers. The first antenna layers may have a first bulk dielectric permittivity. The second layers may have a second bulk dielectric permittivity. The third layers may have a third bulk dielectric permittivity. At least one of the first, second, and third bulk dielectric permittivities may be different from the others. This may differentially load the antenna across the antenna layers, thereby broadening the bandwidth of the antenna.

Abstract: A video tag determination method, a terminal, and a storage medium are provided, belonging to the technical field of computers. The method includes: extracting time-sequence feature information between first target frame images in a video, the time-sequence feature information being information determined based on the feature differences of the first target frame images at different time points; generating, based on to the time-sequence feature information, a dynamic event description text for describing a dynamic event corresponding to the video; and determining, based on the dynamic-event description text, a video tag of the video.

Abstract: Provided is a low-molecular-weight holothurian glycosarninoglycan, with the constituent units thereof being a glucuronic acid group, an N-acetaminogalactose group and a fucose group, and a sulfate ester group or acetyl ester group thereof. Glucuronic acid and N-acetaminogalactose are interconnected via ?(1-3) and ?(1-4) glucosidic bonds to form a backbone of a disaccharide repeating structural unit, and a fucose group is connected to the backbone as a side chain. On a molar ratio basis, the ratio of the glucuronic acid group:the N-acetaminogalactose group:the fucose group is 1:(0.8-1.2):(0.6-1.2). In the structure of the low-molecular-weight holothurian glycosaminoglycan, 10-30% of glucuronic acid groups are modified, on the 2-position, with a sulfate ester group, and the rest are hydroxyl groups; and a proportion of 10-30% of fucose groups is modified, on the 2-position, with an acetyl ester group, and the rest are hydroxyl or sulfate ester groups.

Abstract: A stabilization degree adjustment method includes obtaining a stabilization degree adjustment instruction and adjusting a stabilization degree of a stabilization mechanism according to the stabilization degree adjustment instruction. The stabilization mechanism is configured to support a load.

Abstract: An electronic device may include first and second phased antenna arrays that convey radio-frequency signals at frequencies greater than 10 GHz. The second array may have fewer antennas than the first array. Control circuitry may control the first and second arrays in a diversity mode and in a simultaneous array mode. In the diversity mode, the first array may form a first signal beam while the second array is inactive. When the first array is blocked by an object or otherwise exhibits unsatisfactory performance, the second array may form a second signal beam while the first array is inactive. In the simultaneous mode, the first and second arrays may form a combined array that produces a third signal beam. The combined array may maximize gain. Hierarchical beam searching operations may be performed. The arrays may be distributed across one or more modules.

Abstract: A method of manufacturing a semiconductor structure includes: forming a light-absorption layer in a substrate; forming a first doped region of a first conductivity type and a second doped region of a second conductivity type in the light-absorption layer adjacent to the first doped region; depositing a first patterned mask layer over the light-absorption layer, wherein the first patterned mask layer includes an opening exposing the second doped region and covers the first doped region; forming a first silicide layer in the opening on the second doped region; depositing a barrier layer over the first doped region; and annealing the barrier layer to form a second silicide layer on the first doped region.

Abstract: The invention belongs to the field of low-power consumption Bluetooth technology in wireless communication, in particular to a method for improving the sensitivity of the receiver in a low-power consumption Bluetooth system. The method of the invention is to introduce a deinterleaver between the symbol pattern mapper and GFSK modulator of the transmitting terminal under the low-power consumption Bluetooth coding mode, which is used to perform additional processing on the bitstream data and then perform modulation; then, due to the introduction of interleaving, Turbo iterative processing of demodulation and decoding can be performed at the receiving terminal; the receiving terminal comprises a Turbo iterative demodulator and decoder, which is used to model the low-power consumption Bluetooth GFSK modulator and convolutional coder into finite state machines, and then combine the deinterleaver to use the BCJR algorithm for iterative demodulation and decoding.

Abstract: Germanium-based sensors are disclosed herein. An exemplary germanium-based sensor includes a germanium photodiode and a junction field effect transistor (JFET) formed from a germanium layer disposed in a silicon substrate, in some embodiments, or on a silicon substrate, in some embodiments. A doped silicon layer, which can be formed by in-situ doping epitaxially grown silicon, is disposed between the germanium layer and the silicon substrate. In embodiments where the germanium layer on the silicon substrate, the doped silicon layer is disposed between the germanium layer and an oxide layer. The JFET has a doped polysilicon gate, and in some embodiments, a gate diffusion region is disposed in the germanium layer under the doped polysilicon gate. In some embodiments, a pinned photodiode passivation layer is disposed in the germanium layer. In some embodiments, a pair doped region pair in the germanium layer is configured as an e-lens of the germanium-based sensor.

Abstract: An image retrieval method and apparatus, a storage medium, and an electronic device. The image retrieval method comprises: receiving an input request for retrieving images; identifying whether a retrieve target carried by the request is a retrieve word or a retrieve sentence; in response to the retrieve target being the retrieve word, retrieving images with at least one of an image category matching the retrieve word and an image object matching the retrieve word; and in response to the retrieve target being the retrieve sentence, retrieving images with image semantics matching the retrieve sentence.

Abstract: An electronic device may have a phased antenna array. An antenna in the array may include a rectangular patch element with diagonal axes. The antenna may have first and second antenna feeds coupled to the patch element along the diagonal axes. The antenna may be rotated at a forty-five degree angle relative to other antennas in the array. The antenna may have one or two layers of parasitic elements overlapping the patch element. For example, the antenna may have a layer of coplanar parasitic patches separated by a gap. The antenna may also have an additional parasitic patch that is located farther from the patch element than the layer of coplanar parasitic patches. The additional parasitic patch may overlap the patch element and the gap in the coplanar parasitic patches. The antenna may exhibit a relatively small footprint and minimal mutual coupling with other antennas in the array.

Abstract: An electronic device may be provided with wireless circuitry. The wireless circuitry may include one or more antennas. The antennas may include phased antenna arrays each of which includes multiple antenna elements. Phased antenna arrays may be mounted along edges of a housing for the electronic device, behind a dielectric window such as a dielectric logo window in the housing, in alignment with dielectric housing portions at corners of the housing, or elsewhere in the electronic device. A phased antenna array may include arrays of patch antenna elements on dielectric layers separated by a ground layer. A baseband processor may distribute wireless signals to the phased antenna arrays at intermediate frequencies over intermediate frequency signal paths. Transceiver circuits at the phased antenna arrays may include upconverters and downconverters coupled to the intermediate frequency signal paths.

Abstract: In order to improve communication in a radio access network, a base station 100 includes: a first communication processing unit 141 configured to communicate with a terminal apparatus 400A; and a second communication processing unit 143 configured to receive, from base stations 200 and 300 respectively communicating with terminal apparatuses 400B and 400C, radio resource time length information for specifying a time length of a radio resource for the terminal apparatuses 400B and 400C, and hopping pattern information for specifying a frequency hopping pattern for the terminal apparatuses 400B and 400C. The first communication processing unit 141 is configured to determine the frequency hopping pattern for the terminal apparatus 400A, based on the radio resource time length information and the hopping pattern information, and communicate with the terminal apparatus 400A in accordance with the determined frequency hopping pattern.

Abstract: The present disclosure provides a semiconductor structure, including a substrate including a first material, wherein the first material generates electrical signals from radiation within a first range of wavelengths, an image sensor element including a second material, wherein the second material generates electrical signals from radiation within a second range of wavelengths, the second range is different from first range, a transparent layer proximal to a light receiving surface of the image sensor element, wherein the transparent layer is transparent to radiation within the second range of wavelength, and an interconnect structure connected to a signal transmitting surface of the image sensor element.

Abstract: An electronic device may have a cover layer and an antenna. A dielectric adapter may have a first surface coupled to the antenna and a second surface pressed against the cover layer. The cover layer may have a three-dimensional curvature. The second surface may have a curvature that matches the curvature of the cover layer. Biasing structures may exert a biasing force that presses the antenna against the dielectric adapter and that presses the dielectric adapter against the cover layer. The biasing force may be oriented in a direction normal to the cover layer at each point across dielectric adapter. This may serve to ensure that a uniform and reliable impedance transition is provided between the antenna and free space through the cover layer over time, thereby maximizing the efficiency of the antenna.

Abstract: The invention belongs to the field of low-power consumption Bluetooth technology in wireless communication, in particular to a method for improving the sensitivity of the receiver in a low-power consumption Bluetooth system. The method of the invention is to introduce a deinterleaver between the symbol pattern mapper and GFSK modulator of the transmitting terminal under the low-power consumption Bluetooth coding mode, which is used to perform additional processing on the bitstream data and then perform modulation; then, due to the introduction of interleaving, Turbo iterative processing of demodulation and decoding can be performed at the receiving terminal; the receiving terminal comprises a Turbo iterative demodulator and decoder, which is used to model the low-power consumption Bluetooth GFSK modulator and convolutional coder into finite state machines, and then combine the deinterleaver to use the BCJR algorithm for iterative demodulation and decoding.

Abstract: A method for launching an application on a terminal device, and a terminal device, relating to the technical field of computers. According to embodiments of the disclosure, at least one application icon is displayed on a screen-off display interface of the terminal device, where the screen-off display interface is a user interface displayed on the terminal device in a screen-off display mode. In response to receiving a preset touch signal, the terminal device launches an application corresponding to one application icon of the at least one application icon, where the preset touch signal is triggered by the terminal device upon receiving a preset touch operation performed on the one application icon.

Abstract: A mechanical arm calibration system and a mechanical arm calibration method are provided. The method includes: locating a position of an end point of a mechanical arm in a three-dimensional space to calculate an actual motion trajectory of the end point when the mechanical arm is operating; retrieving link parameters of the mechanical arm, randomly generating sets of particles including compensation amounts for the link parameters through particle swarm optimization (PSO), importing the compensation amounts of each of the sets of particles into forward kinematics after addition of the corresponding link parameters, to calculate an adaptive motion trajectory of the end point; calculating position errors between the adaptive motion trajectory and the actual motion trajectory of each of the sets of particles for a fitness value of the PSO to estimate a group best position; and updating the link parameters by the compensation amounts corresponding to the group best position.

Abstract: The present disclosure provides an omnidirectional beamforming method. In the omnidirectional beamforming method, a space-time block coding is performed on a data stream to be sent to obtain the coded data stream. Omnidirectional beamforming matrices corresponding to a uniform rectangular antenna array are constructed. The beamforming is performed on the coded data stream through the omnidirectional beamforming matrices, to generate a signal to be sent of the uniform rectangular antenna array.