Abstract: A method for determining a transformation between frames of reference for two inertial measurement units (IMUs) is disclosed. The transformation includes biases associated with the measurements of each of the IMUs and the extrinsic details can include relative differences in the position and orientation of the IMUs. The IMUs may be mechanically coupled to a frame so that their movements are related. The IMUs can be coupled to a pair of displays in a head-mounted device (e.g., smart glasses) so that a display spacing between for a pair of stereoscopic displays can be accurately determined and adjusted to match the eyes of the user.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, one or more communications associated with accessing a cell associated with the base station. The UE may selectively access the cell associated with the base station based at least in part on a determination of whether the one or more communications provide an indication that the cell is dedicated for air-to-ground communications. Numerous other aspects are described.

Abstract: Provided is a display substrate and a manufacturing method therefor, and a display apparatus. The display substrate includes multiple sub-pixels, at least one sub-pixel includes a drive circuit layer disposed on the substrate, the drive circuit layer includes a ring storage capacitor constituting a pixel drive circuit; the ring storage capacitor includes a first electrode plate and a second electrode plate, wherein, the first electrode plate includes a first housing surrounding at least one first opening and the second electrode plate includes a second housing surrounding at least one second opening; an orthographic projection of the first housing on the substrate at least partially overlaps an orthographic projection of the second housing on the substrate, and the first housing and the second housing form a capacitor housing around at least one capacitor opening.

Abstract: Disclosed are compounds, compositions, and methods for treating diseases, disorders, or medical conditions that are affected by the modulation of DHODH. Such compounds are represented by Formula (I) as follows: wherein X, Y, R1a, R1b, Z1, Z2, Z3, R2, and R3, are defined herein.

Abstract: The present disclosure relates to an electronic control system based on three-dimensional (3D) concrete printing, including: a control card, a three-way axis driver, a printing device head, a servo motor, a camera and a monitoring system. The monitoring system includes the camera and a display module. The control card is configured to parse a 3D digital model of a to-be-printed object into a program instruction. The three-way axis driver is configured to receive the program instruction to drive the servo motor. The servo motor is configured to control movement of the printing device head. The camera is configured to acquire video data of a discharge port of the printing device head in real time. The monitoring system is configured to remotely monitor concrete discharge conditions of the printing device head according to the camera. The control card is connected with the three-way axis driver based on an EtherCAT bus.

Abstract: A content evaluation device is a pulse wave detection device that detects the pulse wave of a player during game play, comprising an image acquisition unit, a detection area setting unit, and a pulse wave detection unit. The image acquisition unit acquires an image including a player. The detection area setting unit sets a detection area that includes the skin of the player included in the image acquired by the image acquisition unit. The pulse wave detection unit detects the pulse wave of the player from the detection area set in the detection area setting unit.

Abstract: The present application discloses an array substrate and a display panel. The array substrate includes a substrate, a light-shielding layer, a touch trace, and a data line. The light-shielding layer is disposed on the substrate. The touch trace is disposed on the substrate. The data line and the touch trace are disposed on different layers, and at least one of the data line and the touch trace is disposed on a same layer as the light-shielding layer. An orthographic projection of the data line on the substrate at least partially covers an orthographic projection of the touch trace on the substrate. The orthographic projection of the data line on the substrate and the orthographic projection of the touch trace on the substrate are staggered.

Abstract: Embodiments of this application provide a robot, a robot base station, and a robot system. The robot base station comprises: a base stand for docking the robot; a cleaning device for cleaning the robot; a water supply device for supplying water to the robot and/or the cleaning device; a dust collection device for collecting dust from the robot; a power supply device for charging the robot. The base stand is equipped with docking devices for connecting the aforementioned devices to the robot, including docking devices for docking, charging, dust collection, water supply, and wastewater retrieval. The robot base station provide various services for the robot, reducing user intervention, enhancing the robot's level of automation, and improving the efficiency of robot cleaning.

Abstract: A multi-gas-source heater is disclosed including a main shell, an ignition apparatus, a pipeline system arranged on the main shell, a temperature-sensing valve, a burner and a switching valve; the pipeline system has a first and second communication states; the temperature-sensing valve is connected to the pipeline system and can regulate flow of output gas; the burner includes a first and second nozzles both connected to the pipeline system; the ignition apparatus is connected to and can ignite the burner; the switching valve is connected to and can switch the pipeline system between the first and second communication states; when the switching valve switches the pipeline system to the first communication state, the first nozzle outputs the gas; when the switching valve switches the pipeline system to the second communication state, the second nozzle outputs the gas, or the first and second nozzles both output the gas.

Abstract: A method for operating a fuel-operated burner (3) downstream of an engine (1) and upstream of a catalytic converter (4), comprising an actuation of an ignition apparatus (12) of the burner (3) during a pre-definable preheating phase, without delivering fuel (11) to the burner (3) during the preheating phase, and, after the end of the preheating phase, a timely delivery of fuel (11) to the burner (3) and combustion of the delivered fuel (11) in the burner (3). Further, a computing unit and a computer program product for carrying out such a method are proposed.

Abstract: A method, an apparatus, a device, a storage medium and a program product of performing a text matching are provided, which relate to a field of a computer technology, and in particular to natural language processing and deep learning technologies. The method includes: determining a word set and a plurality of semantic units from a text set, the word set is associated with a first predetermined attribute, and the text set contains a plurality of first texts indicating an object information and a plurality of second texts indicating an object demand information; generating a graph; and generating a final feature representation associated with the text set and the word set based on the graph and a graph convolution model, so as to perform the text matching.

Abstract: A display panel, a display module and a manufacture method thereof, and a communication device are provided. The display panel includes a display substrate and a multiplexing circuit arranged on a first surface of the display substrate. The display panel further includes a wave-absorbing material layer arranged on a second surface of the display substrate. The wave-absorbing material layer is configured to absorb electromagnetic wave interference signals. The second surface is a surface opposite to the first surface.

Abstract: The application discloses an optical cable assembly and an optical cable testing method. The optical cable assembly comprises: an optical cable wire with a test end; a spool for winding the optical cable; a connection assembly has an optical cable connection port and a test port, the connection assembly is configured to connect objects at both ends of the connection assembly, and the test end of the optical cable is connected to the connection assembly as an object at one end of the optical cable connection port, the test port is located at an operable area of the spool, configured to connect the test equipment to form an optical path between the test equipment and the optical cable wire when the optical cable is tested.

Abstract: A display module includes a display panel with a plurality of bonding electrodes arranged at intervals along a selected side edge of a non-display surface and divided into two bonding electrode groups, a first flexible circuit board and a second flexible circuit board. For the first flexible circuit board, each first conductive contact piece in a first wiring region is connected to a bonding electrode in a first bonding electrode group. For the second flexible circuit board, each second conductive contact piece in a second wiring region is connected to a bonding electrode in a second bonding electrode group. The first wiring region is closer to the selected side edge than the second wiring region in a first direction. The first fan-out region is spaced apart from the second wiring region in a second direction perpendicular to the first direction.

Abstract: A wireless charging system and a wireless charging stylus box. The wireless charging system includes a wireless charging device and a stylus. The wireless charging device includes an accommodating groove and a transmit coil. The stylus includes a stylus body and a receive coil, and an end face of a magnetic core in the receive coil faces a sidewall of the stylus body, so that after the stylus is placed in the accommodating groove, the end face that is of the magnetic core in the transmit coil and that faces the accommodating groove and an end face that is of the magnetic core in the receive coil and that faces the transmit coil coupled to the receive coil have at least regions partially disposed directly opposite to each other.

Abstract: This application discloses a wireless charging system, and relates to the field of terminal technologies. The wireless charging system includes a tablet computer, a wireless keyboard, and the electronic stylus. The wireless keyboard includes a keyboard body, a support, and a connection portion. The connection portion includes an accommodation cavity provided with an opening at one end. A first sending apparatus is disposed in the tablet computer. A first receiving apparatus is disposed in the keyboard body. A second sending apparatus is disposed in the accommodation cavity. The first receiving apparatus receives an alternating current signal sent by the first sending apparatus, and then directly transmits the alternating current signal to the second sending apparatus. The second sending apparatus is configured to wirelessly charge the electronic stylus accommodated in the accommodation cavity.

Abstract: A method for evaluating energy efficiency of electric arc furnace steelmaking comprises: obtaining original smelting information of the electric arc furnace; processing the original smelting information, and calculating an electrical energy efficiency evaluation index and a chemical energy efficiency evaluation index for process operation; wherein the electrical energy efficiency evaluation index comprises circuit efficiency, transformer tap capacity utilization rate and electrical energy thermal efficiency, and the chemical energy efficiency evaluation index comprises oxygen utilization rate, carbon powder utilization rate and chemical energy thermal efficiency; and evaluating an energy utilization condition of the electric arc furnace comprehensively based on the electrical energy efficiency evaluation index and the chemical energy efficiency evaluation index.

Abstract: Sensing circuit, detection control method, fingerprint identification module and display apparatus are provided. The sensing circuit comprises a photoelectric conversion element, an energy storage circuit, a switch control circuit, a discharge control circuit and a voltage conversion circuit. The photoelectric conversion element controls potential of first terminal of energy storage circuit according to received optical signal; the switch control circuit controls first terminal of energy storage circuit to be connected to or disconnected from conversion control node; the discharge control circuit controls conversion control node be connected to or disconnected from first voltage terminal; the voltage conversion circuit controls to output voltage signal outputted by output terminal according to second and/or third voltage signals.

Abstract: The present application discloses a connection device, comprising a housing and a heat dissipation block. The housing is provided with an accommodation cavity for insertion of a plug connector, and a heat dissipation Window in communication with the accommodation cavity. The heat dissipationblock is disposed on the side of the housing provided with the heat dissipation Window. The connection device further comprises an adjustment assembly for adjusting the heat dissipation block so as to make the heat dissipation block close to or distant from the accommodation cavity. The heat dissipation block has a thermally conductive connection state in which the heat dissipation block approaches to abut against the plug connector after the plug connector is inserted in place.

Abstract: A waterborne polyurethane dispersion is provided. The waterborne polyurethane dispersion is prepared by using a tri-functionality polyether polyol as part of the polyols for forming the prepolymer and a hydrophilic amino siloxane co-chain extender, and can exhibit superior performance properties such as enhanced color fastness, improved low temperature stability, good anti-stickiness, bally flex resistance, anti-abrasion and mechanical properties. A laminated synthetic leather article prepared with said waterborne polyurethane dispersion as well the method for preparing the synthetic leather article are also provided.