Abstract: A hot bed deformation tolerance structure for a large-sized continuous fiber high-temperature 3D printer is provided. Size changes caused by thermal expansion of a hot bed are compensated through motion coordination of a secured hot bed support assembly and a motion device, especially for an aluminum alloy material. A Z-direction motion structure of this structure is fixedly mounted with a frame and works at room temperature. A compensation motion module is fixedly mounted with a Z axis and incompletely secured with the hot bed support assembly, and works at room temperature with the Z axis. The hot bed support assembly is incompletely secured and partially in a high-temperature chamber, with a maximum working temperature of 300° C. The hot bed support assembly retains motion redundancy in a direction of thermal expansion deformation, tolerates thermal deformation through a linear motion module, and compensates for metal deformation through horizontal motion coordination.

Abstract: A station (STA) configured for operation in a WLAN may perform bit scrambling on input bits to generate scrambled input bits and may perform probabilistic constellation shaping using a shaping encoder on the scrambled input bits. The shaping encoder may encode a segment of the scrambled input bits for a modulation order and generate a shaped bit stream. In these embodiments, the STA may generate a QAM symbol stream with a QAM modulator. The QAM symbol stream may be generated at least from the shaped bit stream and from parity bits using the modulation order. The STA may generate the parity bits from the shaped bit streams with a forward-error correction (FEC) encoder and may transmit the QAM symbol stream within a physical layer protocol data unit (PPDU). To address a potential byte boundary shift caused a decoding error at a receiving station, the STA may modify performance of the bit scrambling when probabilistic constellation shaping is performed.

Abstract: A microspheric ionomer having a cross-linked structure, a preparation method therefor, applications thereof, and a preparation system thereof. The ionomer comprises structure units A represented by formula (1), structure units B represented by formula (2), and a cross-linking structure provided by a cross-linking agent, M being separately selected from H, a metal cation, and a straight chain, a saturated alkyl of branched or ring-shaped C1-C20, R being H or a methyl; and metal cations are introduced to part of structure units A in the ionomer. The ionomer shows an outstanding effect on nucleation of PET, serves as a nucleating agent for PET modification, so as to obtain a corresponding PET composition.

Abstract: The present disclosure provides a display substrate, a method for preparing the same, and a flexible display device, and belongs to the technical field of display. Among them, the display substrate includes: a base substrate; a metal pattern located on the base substrate, and an anti-reflection pattern located on a surface of the metal pattern proximate to the base substrate; in which a material of the anti-reflection pattern includes molybdenum oxide doped with a refractory metal, and a melting point of the refractory metal is greater than a temperature threshold. The technical solution of the present disclosure is capable of reducing the reflection of ambient light by the display substrate.

Abstract: A station (STA) configured for operation in a wireless local area network (WLAN) may implement an unequal Modulation and Coding Scheme (MCS) for Probabilistic Constellation Shaping using first and second shaping encoders. The first shaping encoder may encode a first segment of input bits for a first modulation order and generate a first shaped bit stream and the second shaping encoder may encode a second segment of input bits for a second modulation order to generate a second shaped bit stream. A first QAM symbol stream may be generated at least from the first shaped bit stream and from parity bits using the first modulation order and a second QAM symbol stream may be generated at least from the second shaped bit stream and from parity bits using the second modulation order. The STA may generate the parity bits from the first and second shaped bit streams with one or more LDPC encoders and may transmit the first and second QAM symbol streams within a PPDU.

Abstract: An anechoic chamber and a construction method thereof are provided, the anechoic chamber includes a top surface, being a polygon; trapezoid surfaces, corresponding to edges of top surface, upper edge lengths of trapezoid surface being equal to edge lengths of top surface, trapezoid surfaces being connected to edges of top surface through the upper edges, the trapezoid surfaces being sequentially connected along a circumferential direction of top surface, and being at angle to the top surface; rectangular surfaces, corresponding to the trapezoid surfaces, upper edge lengths of rectangular surface being equal to lower edge lengths of trapezoid surface, rectangular surfaces being connected to the trapezoid surfaces through the upper edges, the rectangular surfaces being sequentially connected along a circumferential direction of the lower edges of trapezoid surfaces, and being perpendicular to the top surface; and an absorbing material, disposed on the top surface, the trapezoid surfaces and the rectangular surf

Abstract: Provided are a photovoltaic mount and a photovoltaic apparatus including the photovoltaic mount. The photovoltaic mount includes a support structure, a first deflection structure, a second deflection structure, and a space truss structure. The first deflection structure is rotatably connected to the support structure by a first rotation shaft. The second deflection structure is rotatably connected to the first deflection structure by a second rotation shaft. An extending direction of the second rotation shaft is different from an extending direction of the first rotation shaft. The space truss structure is installed on the second deflection structure and configured to carry a photovoltaic panel. The space truss structure is driven through a rotation of the first deflection structure and/or a rotation of the second deflection structure to deflect to change an installing angle of the photovoltaic panel.

Abstract: A display substrate and a display apparatus are provided. The display substrate includes: a base substrate; a plurality of sub-pixels arranged on the base substrate, wherein the sub-pixels each include a sub-pixel driving circuit; a plurality of fingerprint recognition structures arranged on the base substrate, wherein the fingerprint recognition structures each include a control circuit and a fingerprint recognition electrode, the fingerprint recognition electrode is located on a side of the control circuit facing away from the base substrate, the control circuit is coupled to the fingerprint recognition electrode, and the control circuit is used for outputting a sensing signal from the fingerprint recognition electrode; wherein the control circuit and the sub-pixel driving circuit are arranged in a direction parallel to the base substrate.

Abstract: An apparatus and method of signaling coding type is disclosed. The coding types include binary convolutional coding (BCC), legacy lifted Low-Density Parity Check (LDPC) code, and lifted LDPC code having a length that is a multiple of the maximum legacy LDPC code. The number of bits used to indicate the coding type in a User Info field depends on whether multiple lifted LDPC codes are available for encoding, whether the lifted LDPC code is an optional coding type, or a payload size. The frame containing the User Info field is transmitted to another STA and the response contains a payload encoded using the indicated coding type.

Abstract: This application discloses a method for transmitting prompt information in a multiplayer online battle program performed by a terminal. The method includes: displaying a user interface (UI) from a perspective corresponding to a master virtual character of the multiplayer online battle program; receiving a prompt activation operation on the UI for activating a prompt information transmission function; selecting a plurality of skill display elements in the UI corresponding to the prompt activation operation; receiving a prompt release operation on a target skill display element among the plurality of skill display elements; determining target prompt information specific to the target skill display element; and transmitting the determined target prompt information to one or more virtual characters that are teammates of the master virtual character.

Abstract: This application provides a task migration system and method. The system includes a first terminal and a second terminal. The second terminal runs a first application. The first terminal opens a recent task interface after receiving a user operation, where the recent task interface includes an identifier of the second terminal; after receiving a user operation performed on the identifier of the second terminal, displays, in the recent task interface, at least one task card corresponding to an application run by the second terminal in the background; and after receiving a user operation performed on a first task card corresponding to the first application, runs the first application, and displays a first user interface of the first application.

Abstract: A voltage controlled oscillator (VCO), including: at least one second upper voltage rail; at least one second lower voltage rail; a ring of N cascaded inverters, wherein the set of N cascaded inverters are coupled between the at least one second upper voltage rail and the at least one second lower voltage rail; at least one first frequency band select circuit coupled between first upper voltage rail and the at least one second upper voltage rail; at least one second frequency band select circuit coupled between the at least one second lower voltage rail and first lower voltage rail; at least one first VCO frequency control circuit coupled between the first upper voltage rail and the at least one second upper voltage rail; and at least one second VCO frequency control circuit coupled between the at least one second lower voltage rail and the first lower voltage rail.

Abstract: The invention relates to a perforating device for thermoplastic plates, which relates to the technical field of a plate processing device. The device comprises an electromagnetic chuck, one side of the electromagnetic chuck is connected with the motion part, the other side of the electromagnetic chuck is connected with a mounting plate and a spike. When the electromagnetic chuck is powered on, the spike is attracted below the mounting plate by the electromagnetic force. A clamping part is arranged below the mounting plate, the thermoplastic plate is fixed by the clamping part, and a heating system is also provided to heat the thermoplastic plate. As the electromagnetic chuck is powered on or off, the spike can be attracted in or separated from the mounting plate, respectively. Therefore, the perforating device can make a new plate be pierced during the cooling and curing process of the perforated plate.

Abstract: For example, a transmitter may be configured to assign a stream of encoded data bits of a Physical layer (PHY) Protocol Data Unit (PPDU) to one or more sequences of encoded bit blocks for one or more spatial streams based on an Unequal Modulation and Coding Scheme (MCS) (UEM) assignment including an assignment of a plurality of MCSs to a plurality of frequency sub-blocks for the one or more spatial streams. For example, the transmitter may be configured to assign the one or more sequences of encoded bit blocks to the plurality of frequency sub-blocks for the one or more spatial streams.

Abstract: A set of sensor information may include first sensor information generated based on a first sensor of a first vehicle and second sensor information generated based on a second sensor of a second vehicle. Individual sensor information may characterize positions of objects in an environment of individual sensors. Relevant sensor information for a vehicle may be determined based on the set of sensor information and a position of the vehicle. The relevant sensor information may characterize positions of objects in a maneuver environment of the vehicle. A desired navigation of the vehicle in the maneuver environment of the vehicle may be determined based on the relevant sensor information. An instruction may be provided to the vehicle based on the desired navigation of the vehicle. The instruction may characterize one or more maneuvers to be performed by the vehicle to execute the desired navigation.

Abstract: For example, an Access Point (AP) may be configured to set a user specific field in a Signal (SIG) field. For example, the user specific field may be configured for a user of a plurality of users in a Multi-User (MU) Multiple-Input-Multiple-Output (MIMO) (MU-MIMO) allocation. For example, the user specific field for the user may include an Unequal Modulation and Coding Scheme (MCS) (UEM) information subfield configured to indicate an assignment of a plurality of MCSs for the user. For example, the user specific field for the user may include a spatial configuration subfield configured to indicate a number of spatial streams for the user and a total number of spatial streams in the MU-MIMO allocation. For example, the AP may be configured to transmit a Physical layer (PHY) Protocol Data Unit (PPDU) including the SIG field.

Abstract: Atmospheric turbulence degrades decoding and data recovery from optically transmitted signals. For example, atmospheric turbulence can induce power coupling from the transmitted Gaussian mode to higher-order modes, resulting in significantly degraded mixing efficiency and system performance. Systems and methods are provided to generate a signal that is a conjugate of the atmospheric noise which is combined with a received data signal to ameliorate atmospheric noise. An optical pilot beam may be transmitted with an optical data beam and received by a receiver which utilizes the optical pilot beam to generate the signal that is a conjugate of the atmospheric noise.

Abstract: This application discloses a method for transmitting prompt information in a multiplayer online battle program performed by a terminal. The method includes: displaying a user interface (UI); receiving a directional operation on the UI for activating a prompt information transmission function and pointing to a target display element in the UI; predicting target prompt information according to the target display element and battle information; determining one or more virtual characters in a battle for receiving the predicted target prompt information; and transmitting the predicted target prompt information to terminals of the one or more determined virtual characters, the one or more determined virtual characters being a master virtual character or all virtual characters in the battle. This application can intelligently determine and select a prompt signal that the user wants to transmit in a current battle scenario based on a thought expressed by the user and the battle information.

Abstract: This application relates to the field of cellular communication technologies, and discloses a method for using cellular communication, and a related apparatus and system, whose objective is to share all cellular communication functions of a second device with a first device for use. The distributed cellular communication module of the first device forwards a received cellular communication service request to the second device, and then receives response data corresponding to the cellular communication service request and returned by the distributed cellular communication module of the second device, where the response data corresponding to the cellular communication service request is obtained by performing processing by a Modem of the second device, and then the first device uses the Modem of the second device to process all cellular communication service requests of the first device, to have all cellular communication capabilities of the second device.

Abstract: For example, an Access Point (AP) may be configured to set Resource Unit (RU) allocation information for a user station (STA) in a user information (info) field for the user STA, the RU allocation information for the user STA configured to indicate an RU allocation for a Trigger-Based (TB) Uplink (UL) transmission from the user STA; to determine Unequal Modulation and Coding Scheme (MCS) (UEM) information for the user STA, the UEM information for the user STA configured to indicate an assignment of a plurality of MCSs to a plurality of UL resources in the RU allocation for the user STA, respectively, wherein the plurality of UL resources includes at least one of a plurality of frequency sub-channels or a plurality of spatial streams; and to transmit a trigger frame including the user info field for the user STA, and the UEM information for the user STA.