Abstract: Embodiments of this application disclose an electroacoustic transducer, including a center magnet, two first side magnets, two second side magnets, a voice coil, a voice diaphragm, and two flexible printed circuit boards. The two first side magnets are symmetrically arranged on two sides of the center magnet, and a first gap is formed between the first side magnet and the center magnet. One end of the voice coil is partially located in the first gap, and the voice diaphragm is fixedly connected to the other end of the voice coil. The two flexible printed circuit boards are symmetrically arranged on two sides of the center magnet. The electroacoustic transducer has comparatively high magnetic induction strength and comparatively high sensitivity.

Abstract: Provided are a layered oxide and a preparation method thereof, a positive electrode sheet, a secondary battery, a battery module, a battery pack and an electrical apparatus. The layered oxide includes an oxide with the general formula NaxMnyAaQbCcO2, where A is one or two of Fe and Ni; Q is one or more of transition metal elements containing 3d or 4d orbital electrons except Fe and Ni; C is one or two of Al and B, 0.66<x?1, 0.2?y?0.6, 0.3?a?0.6, 0<b?0.2, 0<c?0.1, and 1?b/c?100. The A element undergoes valence changes to provide charge compensation in a charge and discharge process, thereby improving the specific capacity of the layered oxide; the Q element and oxygen form a hybrid orbital, inhibiting irreversible oxygen losses and structure collapse of oxygen under a high voltage; the C element has a high ionic potential so as to effectively inhibit oxygen losses; and 1?b/c?100.

Abstract: A mobile terminal, includes a housing, and a middle frame and a display that are disposed in the housing. The display is coupled to the middle frame. An accommodation space is formed between the display and the middle frame. In addition, the mobile terminal further includes a first magnet and a second magnet, and a part of the first magnet and a part of the second magnet are disposed in the accommodation space. The first magnet is disposed on a back facet of the display, the second magnet is disposed on the middle frame, and the first magnet and the second magnet are disposed face to face.

Abstract: A gain control method for a signal amplifier includes obtaining, by the signal amplifier, target information; determining, by the signal amplifier, a power adjustment parameter of the signal amplifier according to the target information, where the power adjustment parameter includes any one of the following: an amplification multiple-related parameter and a transmit power-related parameter; and adjusting, by the signal amplifier, a power parameter of the signal amplifier according to the power adjustment parameter, where the power parameter includes any one of the following: an amplification multiple and transmit power.

Abstract: A speaker module and a headset (100) are provided. The speaker module is used for the headset (100). The headset (100) includes a housing (1). The speaker module includes a first speaker unit (4a) and a second speaker unit (4b). An outer surface of a first diaphragm assembly (4a21) of the first speaker unit (4a) faces a first side, the second speaker unit (4b) is located on one side of a circumferential direction of the first speaker unit (4a), the second speaker unit (4b) emits sound toward the first side, and sound emission frequency of the second speaker unit (4b) is greater than sound emission frequency of the first speaker unit (4a).

Abstract: A transmitter (12) obtains data packets at a higher layer (16A) of a protocol stack (16), and duplicates each data packet at the higher layer (16A) to obtain duplicates of each data packet. The duplicates are transmitted on different respective channels from the higher layer (16A) to a lower layer (16B) of the protocol stack (16). The transmitter (12) generates different transport blocks to include data from the different respective channels, such that the duplicates of each data packet are conveyed by different transport blocks. For each transport block, the transmitter (12) transmits or does not transmit at least a part of the transport block within at least a part of a different respective transmission opportunity on a link (26) to a receiver (14) using unlicensed frequency spectrum (28), depending on whether or not a channel sensing procedure indicates the unlicensed frequency spectrum (28) is clear during that at least part of the transmission opportunity.

Abstract: Embodiments herein relates to a method performed by a UE for handling communication in a wireless communications network. The UE transmits a first indication in a PHR of a serving cell to a radio network node, wherein the first indication indicates presence of a first type of PH of a first carrier in the PHR of the serving cell, and wherein the first type is referring to an uplink RS transmission power. The PHR of the serving cell further comprises a second indication indicating presence of a PH of a second type of a second carrier of the serving cell, wherein the second type is referring to a user data transmission power.

Abstract: An operating parameter configuration method includes receiving, by an intelligent signal amplifier, a first broadcast message from a network side device, where the first broadcast message is configured to indicate that the intelligent signal amplifier is supported to access the network side device; initiating, by the intelligent signal amplifier, target random access based on the first broadcast information; and receiving, by the intelligent signal amplifier, an operating parameter from the network side device after the target random access is successful, where the target random access includes 2-step random access or 4-step random access.

Abstract: A data transmission processing method, a data transmission processing apparatus and a processor-readable storage medium are provided. The method includes: sending small data packets to a network node when the UE is in a Radio Resource Control RRC inactive state; performing a RRC-related process and/or a Non-Access Stratum NAS-related process during sending the small data packets to the network node.

Abstract: A method for controlling a vehicle welcoming to a user, includes: recognizing, by a processor of the vehicle, an identification (ID) of a target vehicle key; searching, by the processor, a correspondence for a welcoming manner corresponding to the ID of the target vehicle key, the correspondence comprising a plurality of IDs of a plurality of vehicle keys and a plurality of welcoming manners corresponding to the IDs of the vehicle keys; and controlling, by the processor, the vehicle to perform a first welcoming action in the welcoming manner.

Abstract: A controller for a drive motor and a related device thereof. In response to that a temperature of the power battery is greater than or equal to a preset battery temperature, the controller controls an output current of the inverter circuit, so that the drive motor outputs torque to drive a wheel. In response to that a temperature of the power battery is less than a preset battery temperature, the controller adjusts an output current of the inverter circuit based on a result of comparison between a voltage of the power battery and a preset battery voltage, to control the output current of the inverter circuit to increase heat generated by the three-phase stator winding of the drive motor. The power battery may be heated by using the heat generated by the drive motor, thereby reducing costs.

Abstract: An intelligent signal amplifier operation mode configuration method and apparatus, and a device. The method includes: receiving, by an intelligent signal amplifier, operation mode configuration information from a network-side device; and setting, by the intelligent signal amplifier based on the operation mode configuration information, a target operation mode, where the operation mode configuration information is used for configuring N operation modes for the intelligent signal amplifier; the N operation modes include at least one of the following: frequency-domain operation mode or time-domain operation mode; and the target operation mode is at least one of the N operation modes.

Abstract: A method for establishing a communication connection and related apparatuses are provided. The method is applicable to a first earphone of wireless earphones. The wireless earphones further include a second earphone. The first earphone is in communication connection with the terminal. The first earphone is in communication connection with the second earphone. The method includes the following. A first distance between the first earphone and the terminal is determined. A second distance between the second earphone and the terminal is determined. A first message is sent to the second earphone for instructing the second earphone to establish a communication connection with the terminal, when the first distance is greater than or equal to a first threshold value and the second distance is less than a second threshold value.

Abstract: This application discloses a transmission parameter management method and apparatus, and an electronic device. The transmission parameter management method is executed by a first integrated access backhaul IAB node and includes: obtaining assistance information related to a transmission parameter of a second IAB node and/or assistance information related to a measurement parameter; and determining a transmission parameter based on the assistance information.

Abstract: A purified oligosaccharide compound having antithrombotic activity or a mixture of a homologous compound thereof and a pharmaceutically acceptable salt thereof, a preparation method for the mixture, a pharmaceutical composition containing the mixture, and uses thereof serving as an intrinsic factor X-enzyme (Xase) inhibitor in the preparation of drugs for preventing and/or treating thrombotic diseases.