Abstract: This application provides an information indication method and an apparatus. In this application, a sending apparatus generates and sends a first frame, the first frame includes at least one piece of sub-time resource indication information, and each piece of sub-time resource indication information is in a one-to-one correspondence with one of at least one response apparatus. In addition, each piece of sub-time resource indication information includes a time resource at which the corresponding response apparatus sends feedback information for the first frame to the sending apparatus and a time resource at which the sending apparatus sends acknowledgment information for the feedback information to the corresponding response apparatus, so that the at least one response apparatus and the sending apparatus that sends the first frame can simultaneously perform beamforming training, thereby improving effectiveness of beamforming training performed on the sending apparatus and the at least one response apparatus.

Abstract: An auxiliary apparatus for an electronic device includes a first body and a second body. The second body includes a first support member and a second support member that are rotatably connected. The first support member is rotatably connected to the first body. The second support member is able to rotate in a direction facing the first body to abut against the first body to allow the first support member and the second support member to be in a first attitude snapping toward the first body to support the electronic device carried by the second support member.

Abstract: Embodiments of this application describe a communication method, a first station (STA), a second STA, and an access point (AP). One example method includes: determining, by a first STA, a first basic service set (BSS) color; generating, by the first STA, a data frame when the first station STA and a second STA perform D2D transmission, where the data frame includes the first BSS color; and sending, by the first STA, the data frame to the second STA.

Abstract: This application relates to the field of communication technologies, and provides an information transmission method and an apparatus. In an example method, a first device sends a directional multi-gigabit (DMG) sensing beam descriptor element to a second device, where the DMG sensing beam descriptor element includes a beam descriptor field, and the beam descriptor field indicates a beam polarization direction. The first device further sends a physical layer protocol data unit (PPDU) to the second device in the beam polarization direction, where the PPDU is used for sensing measurement.

Abstract: Embodiments of this application provide a SIM module management method and an electronic device, and relate to the field of electronic devices. A solution that supports an eSIM module is provided for an existing electronic device that supports dual SIM modules, so that the dual SIM modules are compatible with the eSIM module. The electronic device in the embodiments of this application may support three SIM modules. The three SIM modules include at least one eSIM module. The remaining two SIM modules may be both plug-in SIM modules, or may be one plug-in SIM module and one softSlM module. A user can arbitrarily select two SIM modules from the three SIM modules to be in online standby mode, or can arbitrarily select one SIM module from the three SIM modules to be in online standby mode.

Abstract: Embodiments of this application relate to the communications field, and in particular, to an information sending/receiving method and apparatus in the communications field. The information receiving method includes: determining an information receiving time based on any two of a time division duplex sector sweep acknowledgement frame count index, a count index, and a time division duplex sector sweep frame count index, duration of a time division duplex sector sweep frame, and duration of a time division duplex sector sweep acknowledgement frame; and receiving information at the determined information receiving time. According to the information receiving/sending method provided in the embodiments of this application, the information sending apparatus can send information at an accurate information sending time, the information receiving apparatus can receive the information at an accurate information receiving time, and system communication can be normally performed.

Abstract: Embodiments of this application disclose a method and apparatus for training an image region segmentation model, and an image region segmentation method and apparatus. The method includes acquiring a sample image set, and each image of the sample image set having first annotation information; generating graph structure data corresponding to a sample image in the sample image set, the graph structure data comprising multiple nodes, and each node comprising at least one pixel in the sample image; determining second annotation information of each node according to the graph structure data and the first annotation information corresponding to the sample image by using a graph convolutional network model, a granularity of the second annotation information being smaller than a granularity of the first annotation information, the graph convolutional network model being a part of an image segmentation model; and training the image segmentation model according to the second annotation information.

Abstract: In accordance with some embodiments, various examples of systems, methods, and media for detecting falsified Wi-Fi signals. A system detects a group of nearby access points (APs) broadcasting Wi-Fi signals. A determination is made whether the group of nearby APs contains at least one falsified Wi-Fi signal. Whenever it is determined that the group of nearby APs does contains at least one falsified Wi-Fi signal, an analysis is performed of each AP of the group of nearby APs. The analysis uses at least one of: a pair-wise comparison of AP locations, or an analysis of physical layer attributes of the signals broadcasted by the APs. APs of the group of nearby APs are identified that are falsified. A mitigation action is initiated relative to the falsified APs that are identified.

Abstract: The present disclosure relates to sensing methods, apparatuses, and systems. In one example method, a first device generates indication information. The indication information indicates a format of a first training unit in a training field, the first training unit is used by a second device to perform sensing measurement, a length of the first training unit is longer than a length of a second training unit, and the second training unit includes a training subfield indicated by a first field and a training subfield indicated by a second field. The first device sends the indication information to the second device.

Abstract: An approach and corresponding computer system adapted for combining relational and non-relational data storage and indexing techniques is proposed. The approach utilizes graph data structures that are specifically configured for supporting performance improvements in relational querying while maintaining the advantages from a non-relational database. The graph data structures can be used for graph traversals and graph operations, among others, which can improve an overall computational complexity level associated with various operations at the cost of storage.

Abstract: An information transmission method and a network device, the network device including a transceiver, a processor, and a non-transitory storage medium storing a computer program for execution by the processor. The computer program includes instructions to receive a first frame through the receiver, where an extended schedule element of the first frame has a field indicating communication between network devices is supported, and where the extended schedule element further has a source association identifier and a destination association identifier, and control the transceiver to transmit information to a first network device when both the first network device and the network device support communication between network devices, where a value of the source association identifier and a value of the destination association identifier are each 0.

Abstract: This application provides example multi-carrier signal processing methods and example related apparatuses. One example method includes obtaining a first multi-carrier signal. Compensation is performed on the first multi-carrier signal based on a channel state information phase difference of the first multi-carrier signal to obtain a second multi-carrier signal, where a channel state information phase difference of the second multi-carrier signal is zero, or a phase difference of the second multi-carrier signal is zero.

Abstract: The present disclosure provides a central staged combustion chamber with self-excited sweeping oscillating fuel injection nozzles, including an outer housing with a cavity inside, a main stage coaxially disposed with the outer housing, and a pilot stage coaxially disposed with the outer housing. An annular fuel passage is used for connecting a plurality of self-excited sweeping oscillating fuel injection nozzles, and the self-excited sweeping oscillating fuel injection nozzles are suitable for injecting oscillating liquid fuel into a primary swirling passage. The fuel is output in a fan shape through each of the self-excited sweeping oscillating fuel injection nozzles and is dispersed by an incoming flow through the swirling passage, so that the atomization performance and spatial distribution uniformity of the fuel can be greatly improved.

Abstract: This disclosure discloses a microscope system, a smart medical device, an automatic focusing method, and a storage medium. The smart medical device includes an objective lens, a beam splitter, an image projector assembly, a camera assembly, and a focusing device. The objective lens includes a first end and a second end, and the first end faces a to-be-observed sample. The beam splitter is disposed on the second end. The image projector assembly is in communication with the beam splitter, the image projector assembly includes a first lens and an image projection device, and light generated by the image projector assembly enters the beam splitter through the first lens. The camera assembly includes a camera. The focusing device is disposed on the camera assembly, and the focusing device is configured to perform focus adjustment on the camera.

Abstract: This application provides a sensing method and a communication apparatus. A first device indicates at least one second device to perform a sensing task by using a midamble, and indicates a sensing parameter required by the at least one second device to perform the sensing task. This may enable the at least one second device to perform the sensing task by using the midamble sent by the first device, to implement sensing by using the midamble.

Abstract: A communication method includes generating a first sequence, where the first sequence is based on a complete complementary code set, the complete complementary code set is based on a Golay pair and a Hadamard matrix through a Kronecker product operation, and the first sequence is used for channel estimation; and sending the first sequence. In the method, use of a P-matrix is avoided in a process of constructing a plurality of streams of zero correlation sequences.

Abstract: Methods, apparatus, device, and storage medium for identifying an abnormal cell in a to-be-detected sample are disclosed. The method includes obtaining, by a device, multi-layer images of a to-be-detected sample, the to-be-detected sample comprising a single cell and a cell cluster; obtaining, by the device, multi-layer image blocks of the single cell and multi-layer image blocks of the cell cluster according to the multi-layer images; obtaining, by the device, a first identification result by a first image identification network according to the multi-layer image blocks of the single cell; obtaining, by the device, a second identification result by a second image identification network according to the multi-layer image blocks of the cell cluster; and determining, by the device, whether an abnormal cell exists in the to-be-detected sample according to the first identification result and the second identification result.

Abstract: Embodiments of this application provide an information transmission method, a network device, and a user equipment. The method provided in this application includes: sending, by a network device, a broadcast frame that includes first duration information and second duration information that are of A-BFT (Association Beamforming Training); receiving a frame sent by a first user equipment in a timeslot randomly selected from a first time range; and receiving a frame sent by a second user equipment in a timeslot randomly selected from a second time range. According to the embodiments of this application, beamforming training efficiency can be improved.

Abstract: This application provides an information indication method and an apparatus. In this application, a sending apparatus generates and sends a first frame, the first frame includes at least one piece of sub-time resource indication information, and each piece of sub-time resource indication information is in a one-to-one correspondence with one of at least one response apparatus. In addition, each piece of sub-time resource indication information includes a time resource at which the corresponding response apparatus sends feedback information for the first frame to the sending apparatus and a time resource at which the sending apparatus sends acknowledgment information for the feedback information to the corresponding response apparatus, so that the at least one response apparatus and the sending apparatus that sends the first frame can simultaneously perform beamforming training, thereby improving effectiveness of beamforming training performed on the sending apparatus and the at least one response apparatus.

Abstract: Embodiments of this application describe a communication method, a first station (STA), a second STA, and an access point (AP). One example method includes: setting, by a first station (STA), a basic service set (BSS) color to be used by a second STA in a device-to-device (D2D) transmission with the first STA, wherein the first STA sets the BSS color to be a first color that is preconfigured for D2D transmission, wherein the first color is different from a second color allocated by an access point (AP) associated with the first STA for transmission with the AP, and wherein the first color is used for D2D transmissions between the first STA and other STAs in addition to the first color being used for D2D transmission between the first STA and the second STA; generating, by the first STA, a data frame that comprises the BSS color that is the first color; and sending, by the first STA, the data frame to the second STA in the D2D transmission.