Abstract: Embodiments of this application disclose a communication method and an apparatus, and relate to the communication field, to support a terminal device in performing beam failure detection in a common beam scenario. The method includes: A terminal device receives a first transmission configuration indicator (TCI) from an access network device, where the TCI may indicate a common beam. For example, the first TCI includes information about a first uplink reference signal and/or information about a first downlink reference signal, a spatial transmission filter corresponding to the first uplink reference signal is used for sending a plurality of uplink channels, and the first downlink reference signal and demodulation reference signals DMRSs of a plurality of downlink channels meet a quasi co-location QCL relationship.

Abstract: Disclosed are a passive triggered-power electronic tap-changer device and a contact device. The power electronic tap-changer device comprises: two taps, a main contact, two auxiliary contacts, two trigger contacts, an output terminal, two thyristors, and four voltage divider resistors, which can achieve the passive triggering of a power electronic switch by means of controlling the auxiliary contacts and the trigger contacts. Provided in the present invention is a contact device for the passive triggered-power electronic tap-changer, comprising: at least two stationary contacts, a main contact, two thyristor trigger contacts, two thyristor auxiliary contacts, and a drive shaft, wherein the main contact, the thyristor trigger contacts, and the thyristor auxiliary contacts are fixed to the drive shaft, the contact device can switch the power electronic switch to different stationary contacts by means of controlling the rotation of the drive shaft, and maintains the switching time sequence of passive triggering.

Abstract: An aspect of the disclosure pertains to a blood pressure measurement device and methods of controlling an inflation rate in a blood pressure measurement. An inflatable bladder of the blood pressure measurement device defines, at least in part, a pressurizable volume. The inflatable bladder may be inflated to pressurize a user's appendage and temporarily occlude blood flow in the user's appendage. A pressure sensor of the blood pressure measurement device is configured to obtain blood pressure measurements, and a pump of the blood pressure measurement device is configured to inflate the inflatable bladder and control an inflation rate by controlling at least one of a duty cycle, a voltage, or a drive frequency.

Abstract: A background image generation method, a non-transitory computer-readable storage medium and an electronic device. The background image generation method includes: acquiring a first image, searching a second image matching the first image in a preset image library; and performing a color-modulation process on the second image according to the first image, and generating a background image. The user's personalized demands regarding a background image are satisfied, and time and hardware costs for obtaining a background image are reduced.

Abstract: Composite materials that include a structural support are described, wherein the structural support defines a plurality of cavities at least partially filled with a polymeric foam. The polymeric foam may have a density less than 5 pcf and/or the composite material may have a compressive strength of at least 60 psi.

Abstract: Foam composites and methods of preparation thereof are discussed. For example, the foam composite may include a polymeric material and a particulate filler, wherein the compressive strength of the foam composite is equal to or greater than 20 psi, the density is 4 pcf to 40 pcf, and wherein the thermal conductivity is equal to or less than 0.050 W/m K. the particulate filler may include fly ash, e.g., in an amount of about of 45% to about 75% by weight with respect to the total weight of the foam composite. The foam composite may be prepared from a mixture of a polyol, an isocyanate, the particulate filler, and a liquid blowing agent having a boiling point equal to or greater than 25° C. or 30° C.

Abstract: An antenna panel management method, an apparatus, and a system, implement management of a plurality of antenna panels, and reduce power consumption of a terminal device. In this solution, a terminal device switches a state of a first antenna panel from a first state to a second state. The terminal device includes a plurality of antenna panels. The plurality of antenna panels may support one or more of an activated state, a semi-activated state, or a deactivated state, and the first antenna panel is one or more of the plurality of antenna panels.

Abstract: This application provides a communication method and apparatus, and a device. The method includes the following steps: receiving a first message from a network device, where the first message indicates a terminal device to measure a reference signal of a first cell and report a configuration measurement result in a physical layer coding format, and the first cell includes at least one non-serving cell of a terminal device, or the first cell includes at least one serving cell and the at least one non-serving cell of the terminal device; and obtaining a measurement result of the first cell based on the first message, where the measurement result of the first cell is used by the terminal device to perform cell selection, cell reselection, or cell handover. In this way, an inter-cell movement delay is reduced, and beam selection during inter-cell fast movement is implemented.

Abstract: A data transmission method and an apparatus are disclosed. A single parameter indicates transmit beam information for uplink transmission and receive beam information for downlink transmission of a terminal device together. The data transmission method includes receiving first indication information, where the first indication information indicates a terminal device to perform data transmission based on a first parameter, and the first parameter indicates transmit beam information for uplink transmission and/or receive beam information for downlink transmission, and performing data transmission based on the transmit beam information and/or the receive beam information that are/is indicated by the first parameter.

Abstract: Provided is a sand setting circulating device for wave-current tank test tailings. A sand collection device is arranged at a front end of a tail gate of a tank body for performing primary collection on a bed-load sand body with a large particle size; a sand-water separating device is arranged at a tail end of the tank body for performing sand-water separation on tail water subjected to energy dissipation so as to perform secondary collection on a suspended load sand body with a small particle size, the sand-water separating device comprising a collection barrel and a sand suction device mounted in the collection barrel; a water outlet is formed in an upper part of the collection barrel, and separated clear water flows into a clear water reservoir through a water return pipe for cyclic utilization; and a computer is arranged for intelligent control.

Abstract: A temperature prediction method and apparatus are provided. The method includes: determining a loss of a motor based on information about a motor controller, where the loss of the motor includes a first loss and a second loss, and the first loss is a loss generated by a fundamental wave component of a current of the motor (S210); and determining temperature of the motor based on the loss of the motor and a temperature prediction model (S220). According to the method, precision of temperature prediction of the motor can be improved.

Abstract: It is described an attenuation measurement device (100), comprising: i) a detector unit (110) having a coupling capacitance (120), and an input capacitance (130), wherein the detector unit (110) is configured to produce a detector output signal (112a,b) in reply to an input signal received at the coupling capacitance (120) and/or at the input capacitance (130); ii) a test unit (140), coupled to the detector unit (110), and configured to provide a test signal (141) with at least one known signal property as a first input signal to the coupling capacitance (120); iii) a calibration unit (150), coupled to the detector unit (110), and configured to provide a calibration signal (151) as a second input signal to the input capacitance (130); and iv) a control unit configured to a) determine a first detector output signal (112a) produced by the detector unit (110) in response to the test signal (141), b) identify a specific calibration signal (151) that yields a second detector output signal (112b) that is compa

Abstract: Methods, systems, and devices for atrial fibrillation (AFib) detection are described. A method may include acquiring physiological data collected from a user via a wearable ring device, the physiological data including temperature data and motion data, and identifying that a measurement trigger condition for AFib has been satisfied based on the temperature data satisfying a temperature threshold and the motion data satisfying a motion threshold. The method may include sampling photoplethysmogram (PPG) data for the user via the wearable ring device based on identifying satisfaction of the measurement trigger condition, and classifying one or more AFib states based on the sampled PPG data. The method may further include causing a GUI of a user device to display an indication of the one or more AFib states.

Abstract: Foam composites and methods of preparation thereof are discussed. For example, the foam composite may include a polymeric material and a particulate filler, wherein the compressive strength of the foam composite is equal to or greater than 20 psi, the density is 4 pcf to 40 pcf, and wherein the thermal conductivity is equal to or less than 0.050 W/m K. the particulate filler may include fly ash, e.g., in an amount of about of 45% to about 75% by weight with respect to the total weight of the foam composite. The foam composite may be prepared from a mixture of a polyol, an isocyanate, the particulate filler, and a liquid blowing agent having a boiling point equal to or greater than 25° C. or 30° C.

Abstract: Provided is a sand setting circulating device for wave-current tank test tailings. A sand collection device is arranged at a front end of a tail gate of a tank body for performing primary collection on a bed-load sand body with a large particle size; a sand-water separating device is arranged at a tail end of the tank body for performing sand-water separation on tail water subjected to energy dissipation so as to perform secondary collection on a suspended load sand body with a small particle size, the sand-water separating device comprising a collection barrel and a sand suction device mounted in the collection barrel; a water outlet is formed in an upper part of the collection barrel, and separated clear water flows into a clear water reservoir through a water return pipe for cyclic utilization; and a computer is arranged for intelligent control.

Abstract: Provided is a tank wave-current generation system with a rear-mounted outlet. The rear-mounted outlet and a rectifying device located below a tank are arranged, the rectifying device comprises a rectifying chamber and a built-in rectifying grid, one end of the rectifying chamber is communicated with a water collection tank, and the other end of the rectifying chamber is communicated with a bottom wall of a tank unit, an outlet in the bottom wall is located at a front end of a wave pushing direction of a wave generator, a current subjected to preliminary energy dissipation in the water collection tank is rectified into a smooth fluid through the rectifying grid and then a steady current is input into the tank, so that the current pushed by a wave pushing plate arranged on the wave generator is a steady current meeting a test requirement.

Abstract: A fingerprint unlocking method and a terminal are provided. The method may be applied to a terminal having an in-screen fingerprint detection function. When the terminal is in a screen-locked state, the terminal determines whether an operation of a user meets a preset condition. If the operation of the user meets the preset condition, a fingerprint recognition identifier is displayed on a touch display screen of the terminal. A display area of the fingerprint recognition identifier is an area in which fingerprint recognition can be performed. The method resolves a problem that the user cannot perform fingerprint unlocking because the user cannot see a position of a fingerprint detector.