Abstract: This application provides a method for continuing playback of audio. In the method, a wearable device can send a MAC address of a mobile device paired with the wearable device to a remote control device, the remote control device sends the MAC address of the mobile device to an electronic device, the electronic device sends playback information of current playback content on the electronic device to the mobile device based on the MAC address of the mobile device, and the mobile device can resume playing, based on the playback information, an audio of the playback content that is being played on the electronic device.

Abstract: A method is implemented by an electronic device to mark a position of a home device. The method includes that the electronic device receives a first operation of a user, where the first operation is used to trigger the electronic device to mark a position of a first home device in a plurality of home devices. In response to the first operation, the electronic device obtains, by using a UWB chip, spatial position-attitude information of the electronic device when the electronic device separately points to the first home device in n orientations, and calculates spatial position information of the first home device based on the spatial position-attitude information of the electronic device in the n orientations.

Abstract: Embodiments of the present disclosure provide a multi-physical field imaging method based on PET-CT and DAS, comprising: wrapping distributed acoustic sensors on a surface of a non-metallic sample to be tested, and then placing them in a pressure device; loading triaxial pressures; preparing a tracer fluid; pumping the tracer fluid into the non-metallic sample; collecting PET images and CT images of internal structure of the non-metallic sample, meanwhile, monitoring internal acoustic emission events of the non-metallic sample in real time; combining the PET images with the CT images, to obtain PET/CT images; locating the acoustic emission events, and obtaining occurrence time and spatial location of internal structural perturbations; and analyzing a mechanism of fluid-solid coupling effect in the non-metallic sample under loaded stress. The imaging method and system of the present disclosure can accurately and reliably image the fluid-solid coupling process in the material.

Abstract: A method includes a device in an area 1 that requests a ultra-wideband (UWB) base station in the area 1 to measure an initial position, and starts inertial measurement unit (IMU) measurement. The device moves to an area 2, and the device requests to measure distances between each UWB base station in the area 2 and at least three locations. The device returns to the area 1, and requests the UWB base station in the area 1 to measure an end point position. The device corrects coordinates of the device in the area 2 calculated using data obtained through the IMU measurement based on the measured end point position. Calculate the coordinates of each UWB base station in the area 2 based on the corrected coordinates in the area 2 and the measured distances between each UWB base station and the device in the area 2.

Abstract: A seismometer with high sensitivity, broadband and all-dip is provided, The which relates to the technical field of seismometer, including a first force feedback module, an insulator, a top cover, a terminal post, an upper leaf spring, a mass block, a casing, a sealing ring, an insulation gasket, a guide spring, a wire frame, a magnetic shoe, a compensation ring, a lower leaf spring, a bottom cover, a second force feedback module and a third force feedback module. It provides the broadband seismometer technology based on dynamic force balance feedback and the all-dip broadband seismometer technology based on dip angle perception, which breaks through the limitations of conventional seismometers in sensitivity, frequency band, and dip angle, and truly realizes a seismometer with high sensitivity, broadband, and all-dip.

Abstract: This application relates to a UWB base station anomaly detection method. The method includes: obtaining a first distance that is between each of the N UWB base stations and the UWB tag and that is obtained through measurement; obtaining an estimated value of spatial coordinates of the UWB tag in the first coordinate system based on the first distance and spatial coordinates of each UWB base station in the first coordinate system; obtaining a second distance between each UWB base station and the UWB tag based on the estimated value and the spatial coordinates of each UWB base station in the first coordinate system; and determining, based on the first distance and the second distance that correspond to each UWB base station, whether a UWB base station in the N UWB base stations is abnormal.

Abstract: A mobile device communicates wirelessly with an annotation device and a to-be-annotated electronic device. The mobile device includes a processor, a memory, a UWB tag, a direction sensor, and a computer program stored in the memory, and when the computer program executed by the processor, the mobile device is enabled to perform: receiving a first input after the mobile device moves to a location of the electronic device; recording a location of the mobile device in response to the first input, where the location of the mobile device is the location of the electronic device; and popping up a first control window for the electronic device after the mobile device moves to another location and points to the electronic device. According to this application, the mobile device can control, by using the annotation device, an electronic device on which no UWB chip is installed.

Abstract: A method for customizing a key of a foldable device, a device, and a storage medium are provided. When the foldable device is in a folded state, a touchscreen of the foldable device is divided into three regions: a primary screen, a back screen, and a secondary screen. According to the method for customizing a key, the foldable device receives a first user operation used to indicate the foldable device to add a custom key on the back screen or the secondary screen, and then obtains a physical state of the foldable device. If the foldable device is in a folded state, the custom key is added on the back screen or the secondary screen based on the first user operation.

Abstract: A seismometer with high sensitivity, broadband and all-dip is provided, The which relates to the technical field of seismometer, including a first force feedback module, an insulator, a top cover, a terminal post, an upper leaf spring, a mass block, a casing, a sealing ring, an insulation gasket, a guide spring, a wire frame, a magnetic shoe, a compensation ring, a lower leaf spring, a bottom cover, a second force feedback module and a third force feedback module. It provides the broadband seismometer technology based on dynamic force balance feedback and the all-dip broadband seismometer technology based on dip angle perception, which breaks through the limitations of conventional seismometers in sensitivity, frequency band, and dip angle, and truly realizes a seismometer with high sensitivity, broadband, and all-dip.

Abstract: A packet sending method in distributed router networking, a device, and a system are disclosed, and relate to the field of network communication technologies. The distributed router networking includes at least two routers, the at least two routers are located in a same local area network, and each router has a capability of communicating with an external network. After receiving a packet, any router in the local area network may distribute the packet to the plurality of routers in the local area network according to a packet load balancing rule, and the plurality of routers distribute the packet to the external network.

Abstract: Embodiments of the present disclosure provide a multi-physical field imaging method based on PET-CT and DAS, comprising: wrapping distributed acoustic sensors on a surface of a non-metallic sample to be tested, and then placing them in a pressure device; loading triaxial pressures; preparing a tracer fluid; pumping the tracer fluid into the non-metallic sample; collecting PET images and CT images of internal structure of the non-metallic sample, meanwhile, monitoring internal acoustic emission events of the non-metallic sample in real time; combining the PET images with the CT images, to obtain PET/CT images; locating the acoustic emission events, and obtaining occurrence time and spatial location of internal structural perturbations; and analyzing a mechanism of fluid-solid coupling effect in the non-metallic sample under loaded stress. The imaging method and system of the present disclosure can accurately and reliably image the fluid-solid coupling process in the material.

Abstract: An electronic device includes: a processor; a memory; an antenna, wherein a transmitting distance of the antenna at a first transmit power is a first distance; a transmitting distance of the antenna at a second transmit power lower than the first transmit power is a second distance; wherein the first distance is greater than a preset safety distance, while the second distance is less than that. The electronic device is enabled to perform sending a first message based on a first periodicity by the antenna at the first transmit power, the first message is an encrypted ciphertext; receiving a first response message of a mobile device; sending a second message based on a second periodicity by the antenna at the second transmit power, the second message is an uncrypted plaintext; receiving a second response message of the mobile device; and executing all or a part of a specific function.

Abstract: The application discloses an AI real-time microseism monitoring node, which includes a processor and a data acquisition device, an AI calculation device, and a communication device connected to the processor, wherein the AI calculation device is provided with pre-trained microseism data analysis Device, and the processor is configured to perform the following operations: controlling the data acquisition equipment to acquire microseism data; turning on the AI calculation device to calculate the acquired microseism data by means of the microseism data analysis device to determine the valid event data associated with the microseism; and sending the valid event data to the remote data center through the communication device.

Abstract: A method for customizing a key of a foldable device, a device, and a storage medium are provided. When the foldable device is in a folded state, a touchscreen of the foldable device is divided into three regions: a primary screen, a back screen, and a secondary screen. According to the method for customizing a key, the foldable device receives a first user operation used to indicate the foldable device to add a custom key on the back screen or the secondary screen, and then obtains a physical state of the foldable device. If the foldable device is in a folded state, the custom key is added on the back screen or the secondary screen based on the first user operation.

Abstract: An artificial intelligence calculation method and apparatus for monitoring an earthquake in real time based on edge cloud cooperation is applied to a micro-earthquake data processing system. The micro-earthquake data processing system includes an edge calculation device and a remote server in communication connection with the edge calculation device. The remote server deploys a micro-earthquake data analyzing model based on an artificial intelligence to the edge calculation device in advance. The method includes steps of receiving, by the remote server, effective event data related to the micro-earthquake from the edge calculation device; performing a transfer training to the micro-earthquake data analyzing model by the remote server according to the effective event data; and updating the model after the micro-earthquake data analyzing model that has been transfer-trained is transmitted to the edge calculation device by the remote server.

Abstract: A server receives a search request that includes a first location and an identifier of a Bluetooth device and that is sent by a first terminal; within a first time period, determines at least one second terminal by using a first frequency and a first density in a first search range, and sends a search task that carries the identifier to the at least one second terminal; if the server does not receive, within the first time period, a message that is fed back by any one of the at least one second terminal and that indicates that the Bluetooth device is found, within a second time period after the first time period, determines at least one third terminal by using a second frequency and a second density in a second search range, and sends the search task that carries the identifier to the at least one third terminal.

Abstract: This application provides a terminal device and a wireless communications method. When the terminal device is in a dual connectivity network including an LTE link and an NR link, the terminal device determines, based on a service transmission rate related to an actual transmission rate, whether to disconnect the NR link. If the service transmission rate is relatively low, the terminal device disconnects the NR link. If the service transmission rate is relatively high, the terminal device does not disconnect a first link, and uses both the NR link and the LTE link for communication. In this way, power consumption of the terminal device can be effectively reduced without affecting the user experience on transmission rate, the user experience on power consumption is improved, and the user experiences on transmission rate and power consumption are balanced to some extent.

Abstract: A packet sending method in distributed router networking, a device, and a system are disclosed, and relate to the field of network communication technologies. The distributed router networking includes at least two routers, the at least two routers are located in a same local area network, and each router has a capability of communicating with an external network. After receiving a packet, any router in the local area network may distribute the packet to the plurality of routers in the local area network according to a packet load balancing rule, and the plurality of routers distribute the packet to the external network.

Abstract: The application discloses an AI real-time microseism monitoring node, which includes a processor and a data acquisition device, an AI calculation device, and a communication device connected to the processor, wherein the AI calculation device is provided with pre-trained microseism data analysis Device, and the processor is configured to perform the following operations: controlling the data acquisition equipment to acquire microseism data; turning on the AI calculation device to calculate the acquired microseism data by means of the microseism data analysis device to determine the valid event data associated with the microseism; and sending the valid event data to the remote data center through the communication device.

Abstract: The present application discloses an artificial intelligence calculation method and apparatus for monitoring an earthquake in real time based on edge cloud cooperation, and a storage medium. Wherein, the method is applied to a micro-earthquake data processing system. The micro-earthquake data processing system comprises an edge calculation device and a remote server that is in communication connection with the edge calculation device, wherein the remote server deploys a micro-earthquake data analyzing model based on an artificial intelligence to the edge calculation device in advance.