Abstract: The present invention provides a rotation angle detection method and device thereof. The method includes calculating an estimated value of a rotation angle of a motor shaft during rotation according to a second rotation angle; determining an actual range of the rotation angle according to the estimated value of the rotation angle and a detection error of the second angle sensor; determining optional values of the rotation angle based on a relative relationship between a first rotation angle and the estimated value; determining an actual rotation angle of the motor shaft, based on a value falling within the actual range of the rotation angle among the optional values, and determining an actual rotation angle of the output shaft according to the actual rotation angle of the motor shaft. The present invention can improve the measurement accuracy of the rotation angles of the output shaft of the rotating mechanism.

Abstract: A light source structure, an electronic device and a manufacturing method of a light source structure are disclosed. The light source structure includes a light-emitting unit, a printed circuit board and a bonding layer. The light-emitting unit includes a substrate and at least one light-emitting element on the substrate. The printed circuit board includes a first surface, and the light-emitting unit is disposed on the first surface of the printed circuit board via the substrate. The bonding layer is disposed between the substrate and the first surface of the printed circuit board, and for adhesively bonding the substrate and the printed circuit board together.

Abstract: Some embodiments provide an irrigation flow sensor system, comprising: a housing forming a fluid channel to cooperate with conduits of an irrigation system; a paddle wheel device with at least a first blade of a set of the blades comprises a magnetic element; the paddle wheel device is positioned with at least a portion of the blades extends into the fluid channel as the blades rotate about an axis; a magnetic sensor proximate a pathway of the magnetic element as it rotates configured to provide a sensor output every time the magnetic element passes the magnetic sensor; a switch coupled to the magnetic sensor and a current loop, wherein the switch in an activate state is configured to temporarily change the current in the current loop in response to the sensor output, with a rate of change in current corresponding to a flow rate of the fluid flowing.

Abstract: Grid of beams (GoB) adaptation in a wireless communications circuit, particularly for a wireless communications system (WCS), is disclosed. The wireless communications circuit may be provided in the WCS to provide radio frequency (RF) coverage in a wireless communications cell. In this regard, an antenna array is provided in the wireless communications circuit to radiate the GoB, which includes a number of RF beams corresponding to an RF communications signal(s), in the wireless communications cell. In examples discussed herein, the wireless communications circuit can be configured to detect a coverage condition change in the wireless communications cell and modify the GoB accordingly. By adapting the GoB to the coverage condition change, it may be possible to reduce processing overhead and improve resource usage, data throughput, and system adaptability of the wireless communications circuit, thus helping to optimize RF coverage in the wireless communications cell.

Abstract: A bionic arm comprises a bionic palm and at least one finger. The at least one finger comprises a nanofiber actuator. A nanofiber actuator comprises a composite structure and a vanadium dioxide layer. The composite structure comprises a carbon nanotube wire and an aluminum oxide layer. The aluminum oxide layer is coated on a surface of the carbon nanotube wire, and the aluminum oxide layer and the carbon nanotube wire are located coaxially with each other. The vanadium dioxide layer is coated on a surface of the composite structure, and the vanadium dioxide layer and the composite structure are located non-coaxially with each other.

Abstract: A method performed by a network node (260, 500) in a wireless communications system (200) is disclosed. The method comprises generating (401) a time-continuous baseband signal by applying a phase compensation that removes a physical resource block (PRB)-dependent phase rotation on a subcarrier. The method comprises converting (402) the generated time-continuous baseband signal into a radio frequency signal. The method comprises transmitting (403) the radio frequency signal to a wireless device over a radio interface.

Abstract: The disclosure provides a flexible substrate, a manufacturing method thereof, and a flexible display device. The flexible substrate includes a cell and a plurality of liquid crystal molecules disposed in the cell. The cell includes a plurality of sub-pixel display areas arranged in an array and a non-display area disposed outside the sub-pixel display areas. The liquid crystal molecules are disposed in each of the sub-pixel display areas and the non-display area, extending directions of the liquid crystal molecules in each of the sub-pixel display areas are perpendicular to a plane on which the flexible substrate is disposed, and extending directions of the liquid crystal molecules in the non-display area are parallel to the plane on which the flexible substrate is disposed. Risk of damage to electrically driven devices in the flexible display device having the flexible substrate can be reduced. As a result, reliability of products is improved.

Abstract: A pixel circuit and a method of driving the same, and a display device. The pixel circuit includes a plurality of pixel compensation circuits, and each pixel compensation circuit can be connected to M light-emitting units located in the same column. Each light-emitting control signal terminal of the M light-emitting control signal terminals included in each light-emitting control signal terminal group may be connected to a pixel compensation circuit group (i.e., K rows of pixels compensation circuits).

Abstract: Devices, systems and methods for digital video coding, which includes: determining whether a sample is located at sub-block transform boundaries in case that a sub-block transform is applied; applying deblocking filter process if it is determined that the sample is located at sub-block transform boundaries; and performing a conversion between the video and a bitstream representation of the video.

Abstract: A touch substrate includes a first touch electrode layer including a plurality of first touch electrodes; a second touch electrode layer including a plurality of second touch electrodes; and a plurality of first connecting structures. Each of the plurality of second touch electrodes includes a plurality of second touch electrode blocks electrically connected substantially along a first direction. Each of the plurality of first touch electrodes includes a plurality of first touch electrode blocks electrically connected substantially along a second direction. Each individual one of the plurality of first connecting structures is between two adjacent first touch electrode blocks. The two adjacent first touch electrode blocks along the second direction are electrically connected to each other through one of the plurality of first connecting structures. Each of the plurality of first connecting structures includes a first conductive connecting ring.

Abstract: A display panel and method of manufacturing the same are provided. The method of manufacturing the display panel includes the steps of providing a substrate, forming a gate on the substrate, forming a gate insulating layer on the gate and the substrate, forming a polysilicon layer on the gate insulating layer, performing a first gray-scale mask process on the polysilicon layer to form a source region, a drain region and an active region located between the source region and the drain region by the polysilicon layer, forming an interlayer dielectric layer on the gate insulating layer and the polysilicon layer, forming a first electrode layer on the interlayer dielectric layer, performing a second gray-scale mask process on the first electrode layer and the interlayer dielectric layer.

Abstract: A method, an apparatus, and a device for transmitting a file based on a BMC, and a medium are provided. The method includes: receiving, by a second BMC, a preset command sent by a first BMC, where the preset command indicates that transmission of a file is to be initiated; parsing the preset command, and stopping an IPMI process running based on a UART interface in response to the preset command; and receiving, by using a communication function of the UART interface, a data file transmitted by the first BMC. With the method, when the data file is transmitted between the BMCs, the data file is not intercepted and verified by the preset command processing function of the IPMI process running based on the UART interface, and the IPMI process is prevented from being blocked and crashing, thereby implementing transmission of data files between BMCs.

Abstract: A piezoelectric sensor assembly, a manufacturing method thereof, a display panel and an electronic device including the same are provided. The piezoelectric sensor assembly includes: a base substrate; a plurality of ultrasonic transducers, wherein a spacing area is provided between two adjacent ultrasonic transducers; and an acoustic matching layer, wherein the acoustic matching layer includes a plurality of acoustic matching areas, and an orthographic projection of at least one acoustic matching area on the base substrate falls into an orthographic projection of the ultrasonic transducer corresponding to the acoustic matching area on the base substrate, wherein an isolation cavity is provided between two adjacent acoustic matching areas.

Abstract: A grinding and polishing simulation method, a grinding and polishing simulation system and a grinding and polishing process transferring method. The grinding and polishing simulation method includes the following steps. A sensing information of a grinding and polishing apparatus when grinding or polishing a workpiece is obtained. A plurality of model parameters is identified according to the sensing information. At least one quality parameter is calculated according to a machining path, a plurality of process parameters and the plurality of model parameters.

Abstract: A photodetector (300) includes a first electrode (313) and a second electrode (314) on a base substrate (100); a light-sensitive layer (311) between the first electrode (313) and the second electrode (314); and a light-trapping layer (312) between the light-sensitive layer (311) and the base substrate (100), wherein a surface of the light-trapping layer (312) opposite from the base substrate (100) comprises a plurality of first recessed portions.

Abstract: A device, apparatus, and method for semiconductor transfer are provided. A transfer substrate is controlled to be moved to be above the target substrate. An infrared emitting portion emits infrared signals to position a semiconductor on a target substrate. After a second magnetic portion picks up the semiconductor from the target substrate, a controller outputs a first control current to a first electromagnetic portion to cause the first electromagnetic portion to generate an electromagnetic force, to control the second magnetic portion to adjust a position of the picked-up semiconductor relative to the welding position on the target substrate, where adjusting the position of the picked up semiconductor includes horizontal adjustment.

Abstract: The present disclosure provides a coding method, wherein the coding includes decoding or encoding, and the method comprises determining whether a current coding unit is predicted by application of combined inter-intra prediction (CIIP); and in response to determining that the current coding unit is predicted by application of CIIP, setting a boundary strength of a boundary of the current coding unit to a first value.

Abstract: Embodiments of the present disclosure provide a method and apparatus for processing an image, and relates to the field of computer vision technology. The method may include: acquiring a value to be processed, where the value to be processed is associated with an image to be processed; and processing the value to be processed by using a quality scoring model to generate a score of the image to be processed in a target scoring domain, where the score of the image to be processed in the target scoring domain is related to an image quality of the image to be processed.

Abstract: The present disclosure provides a stair climbing gait planning method and an apparatus and a robot using the same. The method includes: obtaining first visual measurement data through a visual sensor of the robot; converting the first visual measurement data to second visual measurement data; and performing a staged gait planning on a process of the robot to climb the staircase based on the second visual measurement data. Through the method, the visual measurement data is used as a reference to perform the staged gait planning on the process of the robot to climb the staircase, which greatly improves the adaptability of the robot in the complex scene of stair climbing.

Abstract: The present disclosure provides a high-speed random number generation method and device, comprising an entropy source module and an entropy sampling module. The entropy source module is an autonomous Boolean network formed by digital logic gates, the network is formed by an XNOR gate and (N?1) XOR gates, wherein the value of N is equal to 3n (n is a positive integer), and the entropy source can generate chaotic signals having wide and flat frequency spectrum. The entropy sampling module of the present disclosure is formed by D flip flops used for sampling and quantizing the chaotic signals to generate random number sequences. The random number sequences generated by the present disclosure can pass test standards (NIST and Diehard statistic tests) of random number industry and have excellent random statistic characteristics.