Abstract: The present disclosure may provide an acoustic device. The acoustic device may include a housing, at least one low-frequency acoustic driver, at least one high-frequency acoustic driver, and a noise reduction assembly. The housing may be configured to be rested on a shoulder of a user. The at least one low-frequency acoustic driver may be carried by the housing and configured to output first sound from at least two first sound guiding holes. The at least one high-frequency acoustic driver may be carried by the housing and configured to output second sound from at least two second sound guiding holes. The noise reduction assembly may be configured to receive third sound and reduce noise of the third sound.

Abstract: The present disclosure relates to a method for a torque control of a hybrid vehicle, a storage medium and an electronic device. The method includes: determining a target-total-torque-change-gradient when a limitation requirement for a gradient of torque change of a DCT is received; determining a torque request of an electric motor and an actual-torque-response-change-gradient of an engine; and determining a gradient of torque change of the electric motor according to the target-total-torque-change-gradient and the actual-torque-response-change-gradient of the engine; and filtering the torque request of the electric motor according to the gradient of torque change of the electric motor. The limitation of the gradient of torque change of the DCT is considered, A problem that the actual total torque responses of the electric motor and the engine exceeds the limitation requirement of the gradient of torque change of the DCT is effectively solved, and a drivability of the whole vehicle is improved.

Abstract: A suspicious pattern can be detected within a transaction network of nodes. Nodes of the network are walked by determining if any adjacent node to a current node is within the suspicious pattern. If an adjacent node is within the suspicious pattern, that node is walked to. Based on the walk, a node sequence can be generated.

Abstract: The present disclosure provides an acoustic output device. The acoustic output device may comprise a bone conduction speaker configured to generate bone conduction acoustic waves. The acoustic output device may also comprise an air conduction speaker configured to generate air conduction acoustic waves, the air conduction speaker being independent of the bone conduction speaker. The acoustic output device may further comprise at least one housing configured to accommodate the bone conduction speaker and the air conduction speaker.

Abstract: Disclosed is monitoring and early warning method for gas gate station and IoT system thereof. The method comprises: obtaining a downstream user feature and historical warning data corresponding to the gas gate station; determining, based on the downstream user feature and the historical warning data and in combination with operation data of the gas gate station, an associated node related to the gas gate station in a preset time period; obtaining monitoring data of the associated node; determining a pipeline network monitoring feature based on pipeline network monitoring data; determining ideal operation data of the gas gate station at a future time through a prediction model, the gate station operation data, and the pipeline network monitoring feature; and issuing an early warning notification in response to a difference between gate station monitoring data and the ideal operation data exceeding a threshold.

Abstract: Provided are a core module and an electronic device. The core module may include a core housing, a speaker, and a bracket. The bracket and the speaker may form an acoustic cavity, the core housing may include an acoustic hole, the bracket may include an acoustic channel, and the speaker may include first accommodation space in flow communication with the acoustic cavity. The speaker, the bracket, and the core housing may form second accommodation space that is outside the speaker and isolated from the acoustic cavity. The speaker may include a coil, a frame, and two metal members disposed on the frame. Each of the two metal members may include a first pad, a second pad, and a transition portion. The first pad and the second pad may be exposed from the frame, the first pad may be located within the first accommodation space and connected to the coil.

Abstract: Methods and apparatuses for transmitting and receiving an uplink signal. The method includes: receiving first indication information by a terminal equipment, the first indication information being used to indicate at least one semi-statically configured or semi-persistently scheduled time-frequency resource; receiving physical layer signaling, the physical layer signaling being used to indicate a first starting position within a time domain range of one or more time-frequency resource(s) in the at least one time-frequency resource; and transmitting an uplink signal starting from the first starting position on the one or more time-frequency resource(s).

Abstract: The present disclosure relates to acoustic devices. The acoustic device may include a vibration speaker, a delivery mechanism mechanically connected to the vibration speaker, and a support component mechanically connected to the vibration speaker via the delivery mechanism. The vibration speaker may be configured to produce a vibration signal representing a sound according to an electrical signal. The delivery mechanism may be configured to contact a user via a contact portion on the delivery mechanism, and deliver the vibration signal to the user via the contact portion. The contact portion on the delivery mechanism may be at a distance from the vibration speaker and have a less vibration intensity than that of the vibration speaker. The support component may be configured to support the delivery mechanism.

Abstract: A method for forming a multi-material mechanical functional member in additive manufacturing. The method includes the following steps: S1: dividing an object to be formed into a plurality of portions, analyzing and measuring mechanical properties of each portion, and constructing a unit cell library; S2: forming a lattice structure by using a unit cell structure in the unit cell library to obtain the lattice structure corresponding to each portion; S3: selecting a raw material of the lattice structure, measuring and comparing mechanical properties of each lattice structure with the mechanical properties of each portion of the object to be formed, where when the mechanical properties of each portion are satisfied, the lattice structure is the required lattice structure, otherwise, step S2 is repeated; and S4: forming a three-dimensional model by a method of additive manufacturing to accordingly obtain the required object to be formed.

Abstract: A processing device in a memory sub-system identifies a set of parameters associated with one or more errors detected with respect to a memory device of a memory sub-system. A vector representing the set of parameters is generated. Based on the vector, a classification value corresponding to the one or more errors is generated. Based on the classification value, a set of error recovery operations is selected from a plurality of sets of error recovery operations, and the set of error recovery operations is executed.

Abstract: An autonomous cleaning device, includes: a mobile platform, configured to move autonomously on a cleaning surface; and a cleaning module, disposed on the mobile platform and including a wet cleaning module, configured to clean at least part of the cleaning surface in a wet cleaning mode.

Abstract: Disclosed are tricyclic compounds as bromodomain and extra-terminal (BET) inhibitors which are shown as formula I, their synthesis and their use for treating diseases. More particularly, disclosed are fused heterocyclic derivatives useful as inhibitors of BET, methods for producing such compounds and methods for treating diseases and conditions wherein inhibition of one or more BET bromodomains provides a benefit.

Abstract: Disclosed is an automatic crystal collection process, including: placing a crystal collection cylinder on a movable platform, detecting a length of a single crystal bar, and selecting a descending distance of the movable platform according to the length of the single crystal bar; raising a furnace sub-chamber to an upper limit, rotating the sub-chamber to a position above the crystal collection cylinder, and lowering the single crystal bar into the crystal collection cylinder; cutting off a seed crystal when the single crystal bar is lowered to a distance, and moving the single crystal bar with the descending of the movable platform until the single crystal bar is collected completely; raising the crystal collection cylinder along with the single crystal bar therein to a target position by the movable platform after the single crystal bar is collected completely, and finishing the crystal collection process.

Abstract: There is provided a system and a method of non-contact measurement of one or more mechanical properties of a material, the system comprising an ultrasonic module comprising an ultrasonic applicator configured to apply ultrasonic pressure on a target region of the material; a detection module comprising an electromagnetic wave emitter and an electromagnetic wave detector, said electromagnetic wave emitter being configured to emit an incident beam of electromagnetic waves towards the target region of the material, and said electromagnetic wave detector being configured to detect an emergent beam of electromagnetic waves reflected from the target region and/or transmitted through the target region; and a processing module configured to determine one or more measures corresponding to the one or more mechanical properties of the material, based on changes in the emergent beam of electromagnetic waves.

Abstract: The present disclosure discloses an acoustic output apparatus including at least one acoustic driver, a controller, and a supporting structure. The at least one acoustic driver may be configured to output sounds through at least two sound guiding holes. The at least two sound guiding holes may include a first sound guiding hole and a second sound guiding hole. The controller may be configured to control a phase and an amplitude of the sounds generated by the at least one acoustic driver using a control signal such that the sounds output by the at least one acoustic driver through the first and second sound guiding holes have opposite phases. The supporting structure may be provided with a baffle and configured to support the at least one acoustic driver such that the first and second sound guiding holes are located on both sides of the baffle.

Abstract: Embodiments of the present application relate to the technical field of communications, and disclose a method for billing international roaming short messages, an apparatus, an electronic device, and a storage medium. The method includes: obtaining a third-party registration message sent by a serving call session control function S-CSCF, the third-party registration message is configured to carry roaming network information of a user, and the third-party registration message is based on a user registration message generation sent from a proxy call session control function P-CSCF; analyzing the roaming network information from the third-party registration message; and in response to that a short message sent by the user is received, sending the roaming network information of the user to a billing system for the billing system to bill the user according to the roaming network information.

Abstract: A system for tracking a target object across a plurality of image frames. The system comprises a logic machine and a storage machine. The storage machine holds instructions executable by the logic machine to calculate a trajectory for the target object over one or more previous frames occurring before a target frame. Responsive to assessing no detection of the target object in the target frame, the instructions are executable to predict an estimated region for the target object based on the trajectory, predict an occlusion center based on a set of candidate occluding locations for a set of other objects within a threshold distance of the estimated region, each location of the set of candidate occluding locations overlapping with the estimated region, and automatically estimate a bounding box for the target object in the target frame based on the occlusion center.

Abstract: Provided are a video call method and a display apparatus. The display apparatus includes: a display, an audio player, a communicator, a user input interface, and a controller. The controller is configured to: control the display to present a first area and a second area on a call interface for a video call, where the first area is for presenting one or more video chatting windows, and the second area is for presenting one or more voice chatting windows; obtain a quantity Y for indicating number of parties currently participating in the video call from the sever; and in response to the quantity Y being greater than a preset quantity X of channels that the display apparatus is able to support, control the display to present X video chatting windows in the first area, and control the display to present (Y-X) voice chatting windows in the second area.

Abstract: An intelligent manufacturing industrial Internet of Things with a front split service platform is provided, which includes: an obtaining module configured to obtain an image taken by a first camera on a production line as a first image data and an image taken by a second camera as a second image data through a sensor network platform; a three-dimensional module configured to process into three-dimensional image data; a recognition module configured to obtain a plurality of point positions of a distortion part as judgment point positions; a mapping module configured to map the judgment point positions to the second image data to form second calibration point positions; and a calibration module configured to calibrate the first camera and the second camera according to first calibration point positions and the second calibration point positions.

Abstract: The present disclosure provides an acoustic device. The acoustic device may include a shell including a first accommodation cavity, a speaker configured in the first accommodation cavity. The speaker may include one or more magnetic circuit assemblies, a voice coil, a vibration assembly, and a vibration transmission plate. The one or more magnetic circuit assemblies may form a magnetic gap. One end of the voice coil may be arranged in a magnetic gap, and another end of the voice coil may be connected with the vibration assembly. The vibration assembly may be connected with the vibration transmission plate, and the vibration transmission plate may be connected with the shell.