Abstract: The present disclosure provides a virtual reality-based control method, apparatus, terminal, and storage medium, wherein the virtual reality-based control method includes: displaying a virtual entity and a suspended bubble associated with the virtual entity in a virtual reality space, the suspended bubble being configured to indicate a function of the virtual entity; and controlling, in response to a movement event of the virtual entity in the virtual reality space, the suspended bubble to follow the virtual entity to move.

Abstract: The present invention discloses a sofa assembling connecting structure, which solves the technical problems that an existing latch cannot be interchanged up and down, is difficult to mount, and is difficult to assemble in place. The sofa assembling connecting structure includes a latch assembly and a positioning assembly. The latch assembly includes a male pin and female pin; the male pin includes a male pin main body and an L-shaped guide portion, so as to form a U-shaped groove, friction resistance when the male pin and the female pin are combined is reduced, friction abnormal sound is reduced, and the problems of large friction resistance of the traditional latch member and the friction abnormal sound of the hardware component are solved; the female pin includes a female pin main body and a plug; and the positioning assembly includes a positioning baffle and a mounting guide box.

Abstract: The present disclosure relates to a shooting processing method and apparatus based on virtual reality, and an electronic device, and relates to the technical field of virtual reality. The method-e includes: first, in response to a calling instruction for a shooting function, acquiring a shooting device model; then, displaying the shooting device model in a virtual reality space, and displaying framing picture information in a preset framing area of the shooting device model, wherein the framing picture information is obtained according to virtual-reality scene information; and in response to an instruction for confirming photographing, recording real-time framing picture information in the framing area, so as to obtain shot image information.

Abstract: The present invention discloses a method for analyzing multi-temporal grid operation trace based on digital twins, including: S1 performing feature reduction on a set of original power grid sample data; S2 based on the set of original power grid sample data with performed feature reduction, building a power grid digital twin model; S3 based on the set of original power grid sample data with performed feature reduction, building a model for simulating multi-temporal power grid operation trace; and S4 generating trace data based on the power grid digital twin model, and inputting a hybrid dataset composed of the trace data and real-time data into the model for simulating multi-temporal power grid operation trace for analysis and assessment. By way of comprehensively analyzing multi-temporality, the present invention makes it possible to fully understand operation states of power grids and provide a scientific basis for scheduling power grids and decision-making.

Abstract: An anti-cavitation damping composite metal structure for a flow passage component and a preparation method thereof are provided. The preparation method includes: cladding a gradient functional material layer by layer on a substrate of a flow passage component; forming periodic structures on a surface of each layer of the gradient functional material through etching by an ultrafast laser to absorb a part of an impact load energy caused by cavitation of the flow passage component, where the layers of the gradient functional material form a gradient coating with a toughness increasing layer by layer and a hardness decreasing layer by layer from bottom to top; and forming nano twins on a surface layer by a laser shock peening technique, and implanting a residual compressive stress to further improve anti-cavitation resistance of a surface.

Abstract: A buckle includes a base assembly. The base assembly includes a base having a protrusion and a first base magnet positioned at least partially within the protrusion. The buckle includes an outer assembly that is removably coupled to the base assembly. The outer assembly includes a connector, a shaft, and a release member that is pivotably coupled to the connector with the shaft. The release member and the shaft include a ferromagnetic material. The release member includes a release member opening. The release member is configured to pivot relative to the connector from a first position to a second position. When the release member is in the first position, the protrusion of the base is positioned at least partially interior to the release member opening. When the release member is in the second position, the protrusion of the base is positioned exterior to the release member opening.

Abstract: A data stream de-interleaving method is provided. The method includes: obtaining a first interleaved data stream on which forward error correction FEC encoding is performed; obtaining, based on an interleaving granularity of the first interleaved data stream, N sub-data streams corresponding to the first interleaved data stream, where N is an interleaving depth of the first interleaved data stream, and N is a positive integer greater than 1; determining a de-interleaving position based on FEC codeword boundaries of at least two of the N sub-data streams; and obtaining a first de-interleaved data stream based on the de-interleaving position and the first interleaved data stream.

Abstract: A codeword synchronization method includes: entering a synchronization position determining state in response to a start signal; determining a synchronization position in a received data sequence in the synchronization position determining state, where the synchronization position indicates a start position of a codeword in the data sequence; entering a loss-of-lock detection state in response to determining the synchronization position; verifying, in the loss-of-lock detection state, a plurality of codewords selected based on the synchronization position; and re-entering the synchronization position determining state in response to a verification failure.

Abstract: A codeword synchronization method includes determining a candidate in a plurality of bits of a data sequence received by a receive end, and determining a synchronization position based on the candidate bit, where the synchronization position indicates a start position of a codeword in the data sequence.

Abstract: This application discloses a data transmission method. The method includes: performs bit multiplexing to obtain a plurality of third data streams based on a plurality of first data streams and a plurality of second data streams, where the first data stream and the second data stream belong to different virtual lane groups; and transmits the plurality of third data streams to a second module, to enable the second module to obtain a plurality of fourth data streams based on the plurality of third data streams, where any fourth data stream is obtained by performing bit multiplexing on any second quantity of third data streams in the plurality of third data streams. Bit multiplexing is performed on the obtained data streams, so that the method can improve a transmission rate of the data stream and reduce a frame loss ratio of a system.

Abstract: A codeword synchronization method includes: entering a synchronization position determining state in response to a start signal; determining a synchronization position in a received data sequence in the synchronization position determining state, where the synchronization position indicates a start position of a codeword in the data sequence; entering a loss-of-lock detection state in response to determining the synchronization position; verifying, in the loss-of-lock detection state, a plurality of codewords selected based on the synchronization position; and re-entering the synchronization position determining state in response to a verification failure.

Abstract: A method includes obtaining first data at a first rate, wherein the first data is encoded using a first forward error correction (FEC) code type, encoding the first data according to a second FEC code type to obtain second data, adding an amount of additional data in a specific proportion to the second data to obtain third data, wherein the amount of additional data is based on a ratio of a second rate of sending the third data to the first rate of obtaining the first data, and wherein the second rate is greater than the first rate, and sending the third data at the second rate.

Abstract: This application discloses a data transmission method and apparatus, a device, a system, and a storage medium, and pertains to the communication field. The method includes: obtaining first data obtained by encoding first reference data by using a first FEC code; encoding the first data by using a second FEC code, to obtain a first encoding result; obtaining second data, where the second data includes the first encoding result and padding data used to adjust a frequency, the padding data carries data transmission related information, and the padding data is data on which protection processing is performed; and transmitting the second data. In the method, the padding data is protected, to improve reliability and efficiency of transmitting the padding data, so that the data transmission related information carried in the padding data can be transmitted more reliably.

Abstract: A method and an apparatus for processing an Ethernet data stream, a computer system, a network system, and a computer-readable storage medium are disclosed. The method is applied to a receiver apparatus including a first forward error correction FEC decoder and a second FEC decoder. The method includes: obtaining transmission information of a first data stream; and if the transmission information meets a trigger condition, adjusting an error correction capability of the receiver apparatus. The data stream can be flexibly and effectively processed by using the method, the apparatus, the computer system, the network system, and the computer-readable storage medium.

Abstract: In a data transmission method, a transmitting end multiplexes a data streams based on a symbol group to obtain b data streams, where a is an integer greater than or equal to 2, b is an integer greater than or equal to 1 and b<a, any one of the b data streams includes a plurality of symbol groups, any symbol group includes a plurality of symbols from different codewords, and any symbol includes a plurality of bits; and the transmitting end transmits the b data streams. The transmitting end performs the multiplexing based on the symbol group including the symbols.

Abstract: A method and an apparatus for transmission of an Ethernet physical layer signal, a device, and a computer-readable storage medium are disclosed. The method includes: obtaining first status information and/or control information, where the first status information indicates that a received first data stream is degraded, and the control information indicates bypass information; and sending the first status information and/or the control information. According to the method, Ethernet physical layer information can be effectively transferred.

Abstract: A method includes periodically inserting another AM into a data stream (DS) to obtain a second DS, and the first data stream includes a first alignment marker (AM); sending the second DS through physical lanes (PLs), where a quantity of the PLs is not equal to 2n, where the second AM's insertion period and each second AM's size is based on condition 1 or 2, where condition 1 is the quantity of the PLs, where condition 2 is condition 1 and a ratio of the second DS's rate to the first DS's rate, the second AM's insertion period and each second AM's size is an integer multiple of the quantity of the PLs, and where the second DS's rate is not less than the first DS's rate, and traffic per unit time corresponding to the rate of the second DS is an integer multiple of the quantity of the PLs.

Abstract: This application relates to a codeword synchronization method, a chip, a network device, and a system. The codeword synchronization method includes: receiving a first data sequence, where the first data sequence includes a plurality of bits, and a codeword in the first data sequence includes extension information for verifying the codeword; selecting at least one group of bits from the plurality of bits as the extension information to perform verification, and determining a candidate bit in the plurality of bits based on a result of the verification; and determining a synchronization position based on the candidate bit, where the synchronization position indicates a start position of the codeword that is in the first data sequence.

Abstract: An interface includes a first functional part and a second functional part. The first functional part is configured to implement processing dependent on a medium access control (MAC) rate, and the second functional part is configured to implement processing independent of the MAC rate.