Abstract: Disclosed are a material analysis method based on the crystal structure database, a system, a computer-readable storage medium and an application. The material analysis method includes comparing experimental pattern information obtained from examination of a to-be-tested sample with theoretical pattern information calculated from material structure data in the crystal structure database, and obtaining crystallographic information and phase composition of the to-be-tested sample through intelligent analysis. The crystallographic information include space group, unit cell parameter, and specific coordinates of atoms in unit cell. The crystal structure database has material structure data obtained by experimental measurement and/or theoretical prediction, including chemical formula, space group, unit cell parameter and specific coordinates of atoms in unit cell.

Abstract: Embodiments are generally directed to an adaptive deformable kernel prediction network for image de-noising. An embodiment of a method for de-noising an image by a convolutional neural network implemented on a compute engine, the image including a plurality of pixels, the method comprising: for each of the plurality of pixels of the image, generating a convolutional kernel having a plurality of kernel values for the pixel; generating a plurality of offsets for the pixel respectively corresponding to the plurality of kernel values, each of the plurality of offsets to indicate a deviation from a pixel position of the pixel; determining a plurality of deviated pixel positions based on the pixel position of the pixel and the plurality of offsets; and filtering the pixel with the convolutional kernel and pixel values of the plurality of deviated pixel positions to obtain a de-noised pixel.

Abstract: This application provides a method for issuing a digital certificate performed by a digital certificate issuing center that includes a public-private key generation module and an authentication module. The method includes: receiving a public-private key request from a node in a blockchain network; generating a public key and a private key of the node by using the public-private key generation module, and transmitting the public and private keys to the node; receiving the public key of the node and registration information of the node, and authenticating the registration information by using the authentication module; and generating, in accordance with a determination that the authentication succeeds, a digital certificate of the node by using the authentication module, and transmitting the digital certificate to the node. The embodiments of this application can improve the probative value of an issued digital certificate, thereby improving the security of data exchange in a blockchain network.

Abstract: Example service processing methods and apparatus are described. One example method includes obtaining a service template set by a first controller. The service template set includes one or more service templates. The first controller sends service template information corresponding to the service template set to a second controller. The first controller receives a first message sent by the second controller. The first message includes first service template information corresponding to a first service template, and the first service template information is determined by the second controller according to a requirement of a first service. The first controller performs provisioning of the first service based on the first service template that is determined based on the first service template information. The second controller determines a corresponding service template according to a service requirement, to trigger the first controller to perform service provisioning based on the service template.

Abstract: The present disclosure discloses a design method of a soil cover layer of a solid waste landfill considering the effect of plant root, which relates to the field of designing a soil cover for a solid waste landfill and aims to solve the problem of the prior art that does not consider the non-linear spatial variation of water content and the effect of plant root on the gas migration process. By comprehensively considering the type of plant root architecture, the distribution of water content varying with space, the errors of calculating gas migration caused by assuming that the water content of the cover layer is constant and ignoring the effect of plant root is effectively reduced; and the actual environment of the on-site cover layer is more comprehensively considered, thus improving the calculation accuracy.

Abstract: An intelligent adjustment method and system for an LED backlight drive, a device and a storage medium are disclosed. The method includes: acquiring optimized channel current on each of other LED substring branches other than a non-maximum conduction branch; calculating, according to the optimized channel current, the number of cycles of conducting PWM of each LED substring branch in one frame of a frame synchronizing signal as the number of cycles of the optimized conducting PWM; and adjusting a channel current of each LED substring branch to be a corresponding optimized channel current, and adjusting the number of cycles of a conducting PWM of each LED substring branch to be the number of cycles of the optimized conducting PWM.

Abstract: A self-inspection method for a hydraulic control turning system of a generator rotor includes: establishing a length dimension relationship table among a plurality of hydraulic cylinders of the hydraulic control turning system; selecting a reference hydraulic cylinder, and acquiring a reference length dimension when the reference hydraulic cylinder is located at a target working position, the target working position is a position at which a turning pin corresponding to the reference hydraulic cylinder is inserted into an adapted hole; and performing a function inspection of a motion execution module in sequence by the plurality of the hydraulic cylinders, based on the reference length dimension and the length dimension relationship table.

Abstract: Embodiments relate to a display device that includes a control circuit, an array of light emitting diode (LED) zones, and an array of zone integrated circuits that are distributed in the display area. The zone integrated circuits may comprise integrated a LED, driver circuits, and at least one redundant driver circuit. A non-operational driver circuit is bypassed, and the LED driving responsibility is assumed by the neighboring driver circuit. The neighboring driver circuit may be another one of the driver circuits or the redundant driver circuit.

Abstract: An active clamp switching power converter circuit includes a primary-side sensing circuit that generates a sensed voltage based on an auxiliary winding voltage of an auxiliary winding around the core having a same polarity as the primary winding. Based on the sensed voltage, a controller controls switching of a power switch coupled to the primary winding to control current through the primary winding and controls switching of an active clamp switch to control leakage current when the power switch is turned off. The controller regulates timing of the switching to turn on the power switch based on timing of a zero voltage switching condition for power efficient operation.

Abstract: A display device comprises a control circuit and a plurality of LED channels coupled to a shared supply voltage. The control circuit obtains respective brightness levels for each of the LED channels and determines, based on the brightness levels, a group current level sufficient to drive all of the LED channels. The control circuit also determines respective duty cycles for each of the LED channels that will achieve the respective brightness levels when each of the LED channels are driven with the group current level. The control circuit configures driver circuits to drive the LED channels in accordance with the group current level and the respective duty cycles. The control circuit may furthermore obtain sensed channel voltages associated with each of the LED channels, and configure the shared voltage supply based on the sensed channel voltages to a voltage level sufficient to drive all of the LED channels.

Abstract: An electronic device includes a cover plate, a display module, and a touch module. The touch module includes a substrate, a touch sensing layer, and a trace. The substrate includes a main body portion and an extending portion connected to each other. The main body portion is located between the cover plate and the display module. The extending portion extends to a side of the display module away from the cover plate. The touch sensing layer is disposed on the main body portion. The trace is coupled to the touch sensing layer and extends on the extending portion.

Abstract: A display device comprises a control circuit and a plurality of LED channels coupled to a shared supply voltage. The control circuit obtains respective brightness levels for each of the LED channels and determines, based on the brightness levels, a group current level sufficient to drive all of the LED channels. The control circuit also determines respective duty cycles for each of the LED channels that will achieve the respective brightness levels when each of the LED channels are driven with the group current level. The control circuit configures driver circuits to drive the LED channels in accordance with the group current level and the respective duty cycles. The control circuit may furthermore obtain sensed channel voltages associated with each of the LED channels, and configure the shared voltage supply based on the sensed channel voltages to a voltage level sufficient to drive all of the LED channels.

Abstract: Embodiments relate to a display device that includes a control circuit, an array of light emitting diode (LED) zones, and an array of driver circuits that are distributed in the display area. An integrated LED and driver circuit includes one or more LEDs of a LED zone and one or more driver circuits integrated on a substrate in a single package with the LED and driver circuit vertically stacked over a substrate. An addressing scheme configures addresses of the driver circuits using address lines that connect between adjacent driver circuits. Control data is provided to the driver circuits via a power line communication signal that provides both a supply voltage and digital data modulated onto the supply voltage.

Abstract: Embodiments relate to a display device that includes a control circuit, an array of light emitting diode (LED) zones, and an array of zone integrated circuits that are distributed in the display area. The zone integrated circuits may comprise integrated LED and driver circuits with embedded sensors or the zone integrated circuits may comprise dedicated sensor devices. The zone integrated circuits are arranged in groups that are coupled to a shared single wire communication line. The control circuit provides control signals that control the driver circuits to drive the LED zones and may provide commands to request feedback data from the zone integrated circuits. Responsive to the commands, the zone integrated circuits output feedback data that is provided to the control circuit via the shared single wire communication line.

Abstract: A display device comprises an array of light emitting diode zones in a display area. The display device further comprises a control circuit to generate dimming signals to control respective duty cycles for driving the light emitting diode zones during a frame. The display device further comprises an array of driver circuits distributed in the display area of the display device. Each of the driver circuits receives the respective duty cycle for the frame at a first time and receives an update signal at a second time. Each driver circuit drives one of the light emitting diode zones according to the respective duty cycles of the dimming signals in response to the update signal. Different groups of driver circuits start driving the respective light emitting diode zones at different respective offset times during the frame.

Abstract: Embodiments relate to a display device that includes a control circuit, an array of light emitting diode (LED) zones, and an array of zone integrated circuits that are distributed in the display area. The zone integrated circuits may comprise integrated LED and driver circuits with embedded sensors or the zone integrated circuits may comprise dedicated sensor devices. The zone integrated circuits are arranged in groups that are coupled to a shared single wire communication line. The control circuit provides control signals that control the driver circuits to drive the LED zones and may provide commands to request feedback data from the zone integrated circuits. Responsive to the commands, the zone integrated circuits output feedback data that is provided to the control circuit via the shared single wire communication line.

Abstract: Embodiments relate to a display device that includes a control circuit, an array of light emitting diode (LED) zones, and an array of driver circuits that are distributed in the display area. An integrated LED and driver circuit includes one or more LEDs of a LED zone and one or more driver circuits integrated on a substrate in a single package with the LED and driver circuit vertically stacked over a substrate. An addressing scheme configures addresses of the driver circuits using address lines that connect between adjacent driver circuits. Control data is provided to the driver circuits via a power line communication signal that provides both a supply voltage and digital data modulated onto the supply voltage.

Abstract: A display device includes an array of driver circuits distributed in a display area for driving corresponding LED zones and an array of sensor circuits distributed in the display area for sensing conditions associated with the driver circuits or LED zones. Various communication protocols and connectivity configurations may be employed to communicate driver control signals to the driver circuits and to obtain readback data from the sensors. A control circuit adjusts operation of the display device based on sensor data obtained from the sensor.

Abstract: An active clamp switching power converter circuit includes a sensing circuit that generates a sensed auxiliary winding voltage of an auxiliary winding around the core having a same polarity as the secondary winding. A controller controls switching of a power switch coupled to the primary winding to control current through the primary winding and controls switching of an active clamp switch based on the sensed voltage to control leakage energy when the power switch is turned off. The controller regulates timing of the switching to achieve a zero voltage switching condition prior to turning on the power switch for power efficient operation.

Abstract: Embodiments relate to a display device that includes a control circuit, an array of light emitting diode (LED) zones, and an array of zone integrated circuits that are distributed in the display area. The zone integrated circuits may comprise integrated LED and driver circuits and may include sensor circuits. The zone integrated circuits are arranged in groups that are coupled to each other and to the control circuit in a serial communication chain via serial communication lines. The control circuit provides control signals that control the driver circuits to drive the LED zones and may provide commands to request readback data from the zone integrated circuits. Responsive to the commands, the zone integrated circuits output readback data to the control circuit via the serial communication chain.