Abstract: The present invention discloses a calibration method of a detection device and a method for acquiring a calibration file of the detection device, relates to the technical field of detection devices, and is used for solving the problems in the traditional solutions that the calibration time is long and that the calibration file is accidentally deleted to affect the use of the user. The calibration method includes: binding a calibration result of the detection device with a unique identification code of the corresponding detection device and uploading the same to an address space accessible by the detection device in a use environment.

Abstract: A directional optical waveguide includes a time division multiplexing unit and N layers of optical waveguides that have a same light-emitting direction and that are stacked, a light-emitting surface of each layer of optical waveguide being provided with a pixel-type grating; the time division multiplexing unit being configured to hierarchically control, within each frame video stream cycle, the N layers of optical waveguides to introduce a source light ray into a corresponding pixel-type grating during a corresponding frame video period, and the source light ray that is introduced into the pixel-type grating being diffracted in the pixel-type grating to form a plurality of first-order diffraction light rays that have different diffraction angles and diffraction azimuth angles and are in a one-to-one correspondence with display pixels, to be incident on a next layer of optical waveguides.

Abstract: The present disclosure discloses a method and a device for allocation of transmission power and a terminal, relating to the field of Internet of vehicles. The method includes: determining communication links having communication requirements at the current moment; acquiring a power request value corresponding to each of the communication links, and adding the power request value corresponding to each of the communication links to obtain an accumulated power value; when it is determined that the accumulated power value is greater than or equal to a preset power limit value, acquiring the service priority of each of the communication links, and allocating transmission power to each of the communication links according to the service priority.

Abstract: The present application provides a device detection method and system, an electronic device, a cloud robot system. The method includes: in a first operating system, when a device detection instruction sent by a device detection program is detected, determining a driving program operation instruction corresponding to the device detection instruction, and transmitting the driving program operation instruction to a second operating system; in the second operating system, operating a corresponding driving program according to the driving program operation instruction, and feeding back an operation result to the first operating system; and in the first operating system, returning the operation result to the device detection program.

Abstract: A VoLTE communication method and a base station thereof are disclosed. The method includes: receiving a VoLTE communication request sent by a calling terminal; determining and sending a first suggestion complying with the VoLTE communication carried out by the calling terminal to a network side, the first suggestion including a first suggested speech coding mode and a corresponding code rate thereof; receiving from the network side a final speech coding mode and a corresponding code rate that are determined based on the first suggested speech coding mode and the corresponding code rate; and sending the final speech coding mode and the corresponding code rate to the calling terminal, such that the speech coding mode and the corresponding cod rate may be adjusted synchronously on the both side of the VoLTE communication.

Abstract: A mixture detection method and device related to substance detection technology. The proportion contents of substances contained in a mixture can be detected. The method includes: performing measurement spectrum line collection on a to-be-detected mixture to identify the kinds of substances in the to-be-detected mixture; selecting a characteristic peak of a measurement spectrum line of each kind of substance according to the kinds of substances, and obtaining an intensity proportion of the characteristic peak of each kind of substance; querying a relative activity database according to the kinds of the substances to obtain relative activity corresponding to each kind of substance; and determining the proportion contents of the substances contained in the to-be-detected mixture according to the intensity proportion of the characteristic peak of each kind of substance and the quotient of the relative activities.

Abstract: The embodiment of the present application provides a method and apparatus for detection of false alarm obstacle, and relates to the field of identification and detection technology, in order to improve accuracy for the obstacle detection. The method includes: obtaining a first view at a moment t and a second view at a moment t?1, collected by a camera; determining location information of the same obstacle to be detected in the first view and the second view; determining motion information of the camera from moment t?1 to the moment t; judging whether the location information of the same obstacle to be detected in two views being matched with the motion information of the camera; and if not, judging the obstacle to be detected as a false alarm obstacle. The embodiment of the present application is applied to obstacle detection.

Abstract: Disclosed in the present invention are methods and apparatus for obtaining a system message, a terminal, and a base station. The method comprises: after a first basic system message of a current cell sent by a base station is received, determining whether a service system message needs to be obtained; when it is determined that the service system message needs to be obtained, sending, to the base station, a system request message for requesting the service system message; and receiving the service system message sent by the base station according to the system request message.

Abstract: The present disclosure relates to an intelligent device and an intelligent system. The intelligent device includes a panel, a first communication interface and a processor unit, wherein the processor unit is configured to: when the first communication interface is connected with a second communication interface of the mobile terminal, send a request message to the mobile terminal through the first communication interface, and receive a response message sent by the mobile terminal, or receive a control instruction sent by the mobile terminal though the first communication interface, and perform a corresponding operation according to the control instruction. Through the above technical solution, the intelligent device is capable of achieving a convenient connection with the mobile terminal, so that the mobile terminal can be used as a module for communication, processing, networking and other functions of the intelligent device so as to achieve the intelligence of the intelligent device.

Abstract: The embodiment of the present invention discloses a method and an apparatus for processing display data. The method includes: obtaining user data of a user render request according to the received user render request, wherein the user data include: a scene picture and an augmented reality picture; setting layer information of a virtual camera that performs image render on the scene picture and the augmented reality picture in a render process, and layer information of the scene picture and the augmented reality picture in the render process, wherein the virtual camera and the scene picture and the augmented reality picture rendered by the virtual camera correspond to the same layer information in the render process; and rendering the scene picture and the augmented reality picture by the virtual camera corresponding to layer information in the render process according to different layer information.

Abstract: A blockchain mining method, device, and a node apparatus are used to solve the technical problem of unequal distribution of mining opportunities for node apparatuses in a blockchain network. The method comprises: acquiring a current block number of the blockchain; judging whether a hash slot corresponding to the block number is consistent with a hash slot corresponding to the node apparatus, wherein the node apparatuses in the blockchain network are distributed in N hash slots by means of a hash algorithm, and N is a positive integer greater than or equal to 2; and determining whether the node apparatus performs mining this time according to a judgment result.

Abstract: A positioning method, a terminal and a server, and relates to the field of positioning and navigation, for performing accurate global positioning. The positioning method includes: a terminal sends a first global coordinate to a server, the server receives the first global coordinate from the terminal, the server searches for corresponding local map data and mapping parameters corresponding to the local map data according to the first global coordinate, the server sends the local map data and the mapping parameters to the terminal, and the terminal obtains a local coordinate of the current location according to the local map data and surrounding environment information of the current location, and obtains a second global coordinate of the current location according to the local coordinate of the current location and the mapping parameters. The embodiment of the present disclosure is applied to accurate positioning.

Abstract: The present disclosure provides a terminal positioning method and apparatus. The method comprises: obtaining beam information corresponding to a terminal; obtaining a time advance amount of the terminal in a serving cell; and determining location information of the terminal according to the beam information and the time advance amount. The present disclosure may solve the technical problem of low terminal positioning precision.

Abstract: Embodiments of the present application belong to the field of NB-IoT, and relate to a method, terminal and server for allocating NB-IoT system resources, capable of satisfying the requirements of traffic rate and communication quality simultaneously.

Abstract: A terminal mobility management method includes: sending, by a first network device, uplink signal configuration information for an idle terminal to a terminal; receiving, by the first network device, uplink signal measurement information sent by a first base station, wherein the uplink signal measurement information is obtained by measurement by the first base station upon receiving an uplink signal carrying a terminal identifier sent by the terminal based on the uplink signal configuration information; and configuring, by the first network device, mobility for the terminal based on the uplink signal measurement information, wherein the configuring mobility is configuring a serving base station for the terminal when a downlink service from the terminal arrives at a network side, such that the terminal receives paging information from the serving base station.

Abstract: The embodiments of the present disclosure relates to the field of telecommunication technology, and discloses a method, a device and a readable storage medium for acquiring an image. The method comprises: acquiring a first ultrasonic image of a first position of a detected object; and saving the first ultrasonic image at a second position in a three-dimensional model for the detected object that corresponds to the first position, wherein the three-dimensional model saves therein a historical ultrasonic image of the detected object acquired during one ultrasonic detection process. the method for acquiring an image according to the present embodiment expands the area of the ultrasonic image for a detected object acquired during one ultrasonic detection, by saving a ultrasonic image for a determined position of the detected object at a position in a three-dimensional model for the detected object corresponding to the determined position.

Abstract: An information processing method, device, cloud-based processing device, and computer program product are related to the field of data processing technologies and can cause an increased efficiency in detecting whether a road area contains a depression region. The information processing method includes: acquiring a depth image; processing the depth image to obtain a means-by-row graph, based on which a road area in the depth image is determined; determining a suspected depression region in the road area; and judging over the suspected depression region based on a depression threshold to determine whether the depth image contains a depression region.

Abstract: Some embodiments of the present disclosure relate to the technical field of ultrasonic detection, and disclose an ultrasonic detection method, an ultrasonic detection system, and a related apparatus. The ultrasonic detection method includes: acquiring a reflected ultrasonic signal transmitted by an ultrasonic detector; generating an ultrasonic image according to the reflected ultrasonic signal, and displaying the ultrasonic image; acquiring information of a mark input by an operator based on the ultrasonic image; determining a marking position according to the information of the mark; transmitting the marking position to the ultrasonic detector, for the ultrasonic detector to indicate a corresponding position of the marking position on a surface of a detected object. The present disclosure resolves problems such as difficulty in operating on the surface of the detected object during ultrasonic detection and a low success rate of operation.

Abstract: Some embodiments of the present disclosure relate to the technical field of ultrasonic detection, and disclose an ultrasonic detection method, an ultrasonic detection system, and a related apparatus. The ultrasonic detection method includes: acquiring a reflected ultrasonic signal transmitted by an ultrasonic detector; generating an ultrasonic image in accordance with the reflected ultrasonic signal and displaying the ultrasonic image; acquiring information of a mark input by an operator based on the ultrasonic image; determining print information in accordance with the information of the mark; and transmitting the print information to the ultrasonic detector, causing the ultrasonic detector to add the mark on a surface of detected object in accordance with the print information. In the present disclosure, a target position of the detected object may be marked in the ultrasonic detection process.