Abstract: The present disclosure relates to a high-strength concrete and a preparation method thereof. The high-strength concrete includes lignin, recycled fine powder, cement, water, sand, gravels and a water reducing agent. The recycled fine powder is recycled fine powder of discarded concrete, and is prepared by separating solid waste of discarded buildings, then performing impurity removal and crushing processing, and grinding same by a ball mill into dust with a particle size of less than 0.16 mm. The lignin is discarded wood lignin, which is prepared by crushing the wood, stirring and extracting a sodium hydroxide aqueous solution with a mass concentration of 5% for 1 to 2 hours at the temperature of 80 DEG C. to obtain a black lignin alkali solution, adding a hydrochloric acid solution with a mass concentration of 30% into the alkali solution for stirring, and making the pH reduced to 7.0 for standing and layering.

Abstract: A method for fabricating high electron mobility transistor (HEMT) includes the steps of: forming a first barrier layer on a substrate; forming a p-type semiconductor layer on the first barrier layer; forming a hard mask on the p-type semiconductor layer; patterning the hard mask and the p-type semiconductor layer; and forming a spacer adjacent to the hard mask and the p-type semiconductor layer.

Abstract: A power pedal is provided, including: a shaft, including a first end configured to be assembled to a bicycle crank, a second end and a connection section connected between the first end and the second end, the connection section including a strain sensing module; a pedal body, connected to the second end; a power sensor, including a processing module and a shell member, the processing module being disposed on an outer circumferential wall of the connection section, the processing module including a processing unit and a wireless transmission unit electrically connected to each other, the processing unit being electrically connected to the strain sensing module, the shell member being disposed on the connection section and encompassing the processing module, the shell member including a receiving room, the receiving room being configured to receive a battery which is replaceable and electrically connected to the processing unit.

Abstract: A light-emitting substrate, a display panel, a backlight module, a display device and a driving method. The light-emitting substrate has a light-emitting region and includes a plurality of light-emitting elements located in the light-emitting region and configured to emit light of different colors. The plurality of light-emitting elements includes an edge light-emitting element adjacent to an edge of the light-emitting region, and a first light-emitting element adjacent to the edge light-emitting element, and the edge light-emitting element is configured to emit light of a first color, and the first light-emitting element is configured to emit light of a second color different from the first color.

Abstract: The invention discloses a charging state analysis method of a electric vehicle based on electrical characteristic sequence analysis. The method includes following steps: step S1, obtaining voltage sampling data and current sampling data of the electric vehicle during charging; step S2, setting a time interval, so as to divide the voltage sample data and the current sampling data obtained in step S1 into multiple data sets; step S3, calculating an electrical characteristic vector of each time interval; step S4. adding the calculation results of Step S3 to a temperature sensing value T, and generate an electrical characteristic sequence of whole charging cycle; step S5, inputting the electrical characteristic sequence of the electric vehicle into a trained Time Recurrent Neural Network (TRNN) in sequence to obtain corresponding results; if the result is 1, it means normal; if the result is 0, it means abnormal.

Abstract: A method of calculating a new route for a media data traffic flow on a computer network when a device is connected to the network, the network comprising a first and a second network switch connected by a link, the method comprising: determining whether media data traffic already flows between the first and second network switch over the link; applying a weighting to the link whose value is based on whether media data traffic already flows over the link; and determining the new route for media data traffic by using a least cost path generation algorithm using the weighting.

Abstract: A driving method includes driving a display panel at a first-frequency driving mode and a second-frequency driving mode. A first frequency of the first-frequency driving mode is lower than a second frequency of the second-frequency driving mode. In the first-frequency driving mode, a frame time includes a scanning section and a corresponding front and rear porch section immediately following the scanning section. The driving method further includes scanning sub-pixels of the display panel in the scanning section of the first-frequency driving mode, where in the front and rear porch section, the sub-pixels of the display panel are not scanned, and front and rear porch sections corresponding to at least part of a plurality of frames in the first-frequency driving mode include at least one compensation section. The method further includes providing a data signal to each data line of a plurality of data lines of the display panel in a compensation section of the at least one compensation section.

Abstract: A system may include a first acoustic event detection (AED) component configured to detect a predetermined set of acoustic events, and include a second AED component configured to detect custom acoustic events that a user configures a device to detect. The first and second AED components are configured to perform task-specific processing, and may receive as input the same acoustic feature data corresponding to audio data that potentially represents occurrence of one or more events. Based on processing by the first and second AED components, a device may output data indicating that one or more acoustic events occurred, where the acoustic events may be a predetermined acoustic event and/or a custom acoustic event.

Abstract: An augmented reality processing device is provided, comprising an image capturing circuit and a processor. The processor is connected to the image capturing circuit, and execute operations of: generating an original point cloud image according to the first environment image and a physical object in the first environment image; generating an expanded point cloud image corresponding to the physical object from the second environment image according to the first environment image and the physical object point cloud set, and generating a superimposed point cloud image according to the expanded point cloud image and the original point cloud image; and generating a transformation matrix according to the original point cloud image and the expanded point cloud image, and superimposing a virtual object to the second environment image according to the superimposed point cloud image and the transformation matrix.

Abstract: The present disclosure relates to a high-strength concrete and a preparation method thereof. The high-strength concrete includes lignin, recycled fine powder, cement, water, sand, gravels and a water reducing agent. The recycled fine powder is recycled fine powder of discarded concrete, and is prepared by separating solid waste of discarded buildings, then performing impurity removal and crushing processing, and grinding same by a ball mill into dust with a particle size of less than 0.16 mm. The lignin is discarded wood lignin, which is prepared by crushing the wood, stirring and extracting a sodium hydroxide aqueous solution with a mass concentration of 5% for 1 to 2 hours at the temperature of 80 DEG C. to obtain a black lignin alkali solution, adding a hydrochloric acid solution with a mass concentration of 30% into the alkali solution for stirring, and making the pH reduced to 7.0 for standing and layering.

Abstract: A method for measuring coordinate position include detecting the distance of a target relative to a portable electronic device to generate a measurement signal corresponding to the distance, sensing a relative position of the target to generate a azimuth angle corresponding to the relative position, detecting the movement of the portable electronic device to generate an inertial signal corresponding to the movement, obtaining positioning information of the portable electronic device, converting the measurement signal into distance data, converting the inertial signal into a tilt angle, calculating coordinate difference information with the tilt angle, the distance data and the azimuth angle, and calculating coordinate position of the target with the positioning information and the coordinate difference information.

Abstract: An augmented reality processing device is provided, comprising an image capturing circuit and a processor. The processor is connected to the image capturing circuit, and execute operations of: generating an original point cloud image according to the first environment image and a physical object in the first environment image; generating an expanded point cloud image corresponding to the physical object from the second environment image according to the first environment image and the physical object point cloud set, and generating a superimposed point cloud image according to the expanded point cloud image and the original point cloud image; and generating a transformation matrix according to the original point cloud image and the expanded point cloud image, and superimposing a virtual object to the second environment image according to the superimposed point cloud image and the transformation matrix.

Abstract: A power pedal is provided, including: a shaft, including a first end configured to be assembled to a bicycle crank, a second end and a connection section connected between the first end and the second end, the connection section including a strain sensing module; a pedal body, connected to the second end; a power sensor, including a processing module and a shell member, the processing module being disposed on an outer circumferential wall of the connection section, the processing module including a processing unit and a wireless transmission unit electrically connected to each other, the processing unit being electrically connected to the strain sensing module, the shell member being disposed on the connection section and encompassing the processing module, the shell member including a receiving room, the receiving room being configured to receive a battery which is replaceable and electrically connected to the processing unit.

Abstract: Driving method of display panel, display panel, and display device are provided. The driving method includes a first-frequency driving mode and a second-frequency driving mode. A first frequency of the first-frequency driving mode is lower than a second frequency of the second-frequency driving mode. In the first-frequency driving mode, a frame time includes a scanning section and a front and rear porch section, and the scanning section and the front and rear porch section are operated in sequence. In the scanning section, sub-pixels of the display panel are scanned, and in the front and rear porch section, the sub-pixels of the display panel are not scanned. The display panel includes data lines. The front and rear porch section corresponding to at least part of a plurality of frames includes at least one compensation section. In a compensation section, a data signal is provided to each data line.

Abstract: The present disclosure provides a video and audio signal processing chip, a video and audio signal processing device including the same, and a video and audio signal processing method. The video and audio signal processing chip includes a signal detection module, a storing unit and a controller. The signal detection module is configured to detect and store video and audio signals. The controller is configured to: transfer the video and audio signals from the signal detection module to the storing unit; and transmit the video and audio signals stored in the storing unit to a host.

Abstract: The present application provides methods, devices, systems and non-transitory computer readable storage media for image processing. In an aspect, there is provided a computer-implemented method of image processing, the method comprising: receiving a low resolution image of an object; generating an edge map of the low resolution image by an edge extractor; and inputting the edge map and the low resolution image to a neural network to reconstruct a super resolution image of the object, wherein the neural network is trained using a multicomponent loss function.

Abstract: An object detection method, for detecting a target object, comprising: capturing at least two detection portions with a first aspect ratio from an input image with a second aspect ratio; confirming whether any object is detected in each of the detection portions and obtaining corresponding boundary boxes for detected objects; and wherein the first aspect ratio is different to the second aspect ratio.

Abstract: Disclosed is a dual-drive wheel track changing system suitable for a research on track changing performance, including a four-hole connected track changing force measurement rocker arm (3) mounted on a central shaft seat (6). The four-hole connected track changing force measurement rocker arm (3) is connected a track changing driving actuator (5) and No. 1 and No. 2 dual-ring connected force measurement sensors (4-1, 4-2). Left and right lifting support track changing moving bodies (1, 2) are connected to the dual-ring connected force measurement sensors (4-1, 4-2). The system is simple in structure, and can verify track changing feasibility and stability of the wheel pairs by simulating track changing movement.

Abstract: The present invention provides a control method applied to an electronic device is disclosed, wherein the electronic device includes a processor and a wireless network module, and the control method includes the steps of: generating a determination result by determining if the wireless network module needs to transmit a packet; and when the determination result indicates that the wireless network module needs to transmit the packet, reducing a frequency of a clock signal used by the processor during a packet transmission.