Abstract: A display panel is provided, including a flat display region, and a fixed region and a sliding-scrolling region on two sides of the flat display region in a first direction, the fixed region is adhered with a middle frame, the flat display region is configured to display images, the sliding-scrolling region is configured to form a rolled-up state and an extended state by sliding-scrolling, the sliding-scrolling region displays the image together with the flat display region in the extended state, on a plane perpendicular to the display panel, the display panel at least includes a display substrate, an adhesive layer disposed on the display substrate, and a cover plate layer on a side of the adhesive layer away from the display substrate, the cover plate layer at least includes a glass layer, the glass layer of at least one of the fixed region and the sliding-scrolling region has a structural hole.

Abstract: A method and a system for optimizing operating swing of a vertical shaft suspended hydrogenerator unit, and the method includes: measure turning swing and operating parameters of the unit during turning, calculate direction of relative displacement between the rotating center of each bearing for the unit and a center line of a main shaft, and calculate and adjust offset distance of an installation center for a guide bearing to a certain direction by the temperature of a bearing bush; then carry out a temperature rise test of the unit, optimize the operating swing of the hydrogenerator unit while the bush temperature is less than the design requirement, and select optimal bush gap to achieve optimal operating swing and ensure that the bush temperature, the cooling oil level, the cooling oil temperature and the operating swing reach the most scientific and reasonable balanced state.

Abstract: An apparatus configured to initiate an operation to locate a target device, generate, for transmission to the target device, Bluetooth discovery signals for detecting a proximity of the target device, generate, for transmission to the target device at substantially a same time as the Bluetooth discovery signals, a discovery message via a network connection, detect a Bluetooth discovery response or a response to the discovery message from the target device and trigger an ultra-wideband (UWB) ranging operation based on detection of the Bluetooth discovery response or response to the discovery message.

Abstract: A system includes: an energy storage apparatus; an inverter electrically coupled to the energy storage apparatus; and a pulse width modulation module. The pulse width modulation module is configured to: determine a modulation index based on a voltage of the energy storage apparatus and a target output voltage of the inverter; select one of a plurality of pulse width modulation (PWM) approaches based on the modulation index; and determine a switching command for the inverter based on the target output voltage and the selected one of the plurality of PWM modulation approaches.

Abstract: A wrist-worn device control method is disclosed. The method includes: collecting first motion data of a wrist-worn device, where the first motion data includes angular velocity information and acceleration information of the wrist-worn device; and identifying, based on the first motion data of the wrist-worn device, that the wrist-worn device changes from a first posture to a second posture, and playing, by the wrist-worn device, media information, where the media information is at least one of a speech message, a text message, or incoming call information that are received by the wrist-worn device, and information displayed by the wrist-worn device, and the second posture is a posture in which a hand of a user wearing the wrist-worn device is close to an ear of the user. Therefore, a message can be played without occupying two hands of the user, interaction is convenient, and user experience is good.

Abstract: A system and a method for performing field programmable gate array (FPGA) prototype verification on a tested circuit are provided. The system includes a packet generator, a scrambling circuit, the tested circuit and a checking circuit, wherein the scrambling circuit, the tested circuit and the checking circuit are implemented on an FPGA. The packet generator outputs multiple standard packets, wherein a length of each standard packet falls within a standard range. The scrambling circuit generates multiple scrambled packets according to the multiple standard packets to the tested circuit, to make the tested circuit generate multiple output packets according to the multiple scrambled packets, wherein a length of any scrambled packet falls outside the standard range. The checking circuit verifies operations of the tested circuit according to the multiple scrambled packets and the output packets.

Abstract: A method performed by an electronic device, the electronic device, and a storage medium are provided. The method includes obtaining a frame image of a video from a camera and inertia data of an inertial measurement unit (IMU) corresponding to the frame image and obtaining a camera position and pose of the camera, a sparse map, and a high-density map corresponding to the frame image, based on the frame image and the inertia data of the IMU.

Abstract: A display panel and an electronic device are provided. In the display panel, first line groups and second line groups are arranged in different layers. In the first line groups, there is a voltage difference between every adjacent pair of gate lines. In the second line groups, there is also a voltage difference between every adjacent pair of gate lines. When a short circuit occurs between adjacent gate lines in the same layer, there is a noticeable change in the voltage on the gate lines, which can be detected through a cell test, effectively reducing the chances of missed detections.

Abstract: The present invention discloses a watermark embedding method based on service invocation data, comprising obtaining service invocation data, and preprocessing the invocation data, then, obtaining the key data through screening the preprocessed invocation data based on relevant weights, then, adding timestamps to the key data to obtain enhanced data, after that, selecting the contribution degree of the enhanced data to obtain high-quality data, and encoding the high-quality data to generate encoded data, then, constructing a data watermark embedding model by employing the encoded data, and inputting the service invocation data to be embedded into the data watermark embedding model, and thus the embedding results can be output. This method can not only improve the accuracy of watermark embedding for service invocation data, but also provides good interpretability, making it directly applicable to watermark embedding systems.

Abstract: A computer-implemented method of controlling a mobile agricultural machine includes receiving field map data representing a first agricultural operation performed on a field, receiving a location sensor signal indicative of a sensed geographic location of the mobile agricultural machine on the field, the mobile agricultural machine having a plurality of sections that are independently controllable to perform a second agricultural operation on the field that is different than the first agricultural operation, and generating a control signal to control the plurality of sections based on the field map data and the location sensor signal.

Abstract: Systems, methods, apparatuses, and computer program products for contact-free heart rate monitoring and/or measurement are provided. One method may include receiving video(s) that include visual frame(s) of individual(s) performing exercises, detecting some exposed skin from the video(s), and performing motion compensation to generate color signals for the exposed skin to precisely align frames of the exposed skin. The method may also include generating the color signals by estimating a skin color for each frame by taking a spatial average over pixels of a cheek of the face(s) for R, G, and B channels, respectively, applying an operation to remove remaining motion traces from the frames such that the heart rate traces dominate, and extracting and/or outputting the heart rate of the individuals using a frequency estimator of the skin color signals.

Abstract: Disclosed are a dynamic error measurement apparatus, system, and method for an electricity meter. The measurement apparatus includes a test signal generation unit configured to generate a voltage test signal and two-circuit current test signals, output the voltage test signal to a measurement unit, and output the two-circuit current test signals to the measurement unit and a current summation unit; the measurement unit configured to determine two-circuit electric energy values based on the voltage test signal and the two-circuit current test signals, and output the two-circuit electric energy values to a calculation control unit; the current summation unit configured to determine a combined current signal based on the two-circuit current test signals; and the calculation control unit configured to determine a total electric energy value based on the two-circuit electric energy values. The system includes a standard meter and a measurement apparatus.

Abstract: Methods, systems, and devices for wireless communications are described. A first device may receive signaling associated with a traffic class from a second device. The first device may determine that the traffic class is included in a set of known traffic classes based on a set of features associated with the signaling. In response to determining that the traffic class is included in the set of known traffic classes, the first device may use a machine learning model to obtain a prediction of an application associated with the signaling. The prediction may be based on the set of features. The machine learning model may be trained at the first device or the second device. The first device may receive information associated with the machine learning model from the second device.

Abstract: This application provides a gap waveguide antenna structure and an electronic device, and relates to the field of communication radars. The antenna structure includes a top layer, a gap waveguide structure, a microstrip structure, and a bottom layer. The top layer is parallel to the bottom layer. A first metal layer and a second metal layer are laid on two sides of a dielectric layer of the top layer, and the microstrip structure is disposed on the second metal layer. A frame of the microstrip structure is separated from metal of the second metal layer by leaving a space. The foregoing special antenna structure can reduce a transmission loss, improve a coupling capability, and effectively improve transmission efficiency of energy or an electromagnetic wave.

Abstract: The present application provides a movement buffering control system and method for forklift tilt cylinder based on angle compensation in the field of forklift control, which includes a tilt cylinder configured to control forward and backward tilting of a mast of a forklift and a lift cylinder configured to control the lifting of a fork, and further includes a controller, wherein a signal input terminal of the controller is connected to a first angle sensor to measure a tilt angle of the mast relative to a vertical plane, a second angle sensor to measure a tilt angle of a vehicle body relative to a level ground, and a pressure sensor, and wherein a signal output terminal of the controller is connected to a display, a forward-tilting proportional valve to control the oil for forward-tilting of the tilt cylinder.

Abstract: An electronic device for estimating object information and generating a virtual object and a method of operating the electronic device are disclosed. The method includes obtaining an image, obtaining a class feature, a pose feature, and a relationship feature of an object included in the image, correcting each of the class feature, the pose feature, and the relationship feature using any combination of any two or more of the class feature, the pose feature, and the relationship feature of the object, and obtaining class information, pose information, and relationship information of the object based on the corrected class feature, the corrected pose feature, and the corrected relationship feature, respectively.

Abstract: A box-type substation, an energy storage power supply system, and a photovoltaic power generation system. The box-type substation includes a low-voltage cabinet, a high-voltage cabinet, a transformer, a first keychain, and a second keychain. When two circuit breakers in the low-voltage cabinet are in a switched-on state, each of the first keychain and the second keychain is locked at a corresponding circuit breaker. Therefore, when maintenance is performed on the transformer, the circuit breakers in the low-voltage cabinet are switched off first to remove the first keychain and the second keychain. Then, the first keychain and the second keychain are used together to switch off a disconnector in the high-voltage cabinet, and the first keychain and the second keychain are locked at the disconnector when the disconnector is in a switched-off state. Mechanical lock logic of the box-type substation is simple with high efficiency.

Abstract: Disclosed are a dental crown of a dental implant and a dental implant thereof. The dental crown of the dental implant includes a dental crown body. An occlusal side groove is reserved in the top of the dental crown body, an interocclusal space is reserved between a groove bottom adjacent wall of the occlusal side groove and an opposing tooth, the reserved occlusal side groove is used for the filling of photosensitive resin, and the photosensitive resin is used for making contact with the opposing tooth.

Abstract: The present disclosure provides a method of operating a memory controller, a memory controller, and a memory system, and relates to the technical field of memories. The memory controller includes an Advanced Encryption Standard (AES) engine, a processor, and a first interface, and the memory controller is communicatively connected with a first memory through the first interface. The method includes: in response to the memory controller being powered on, obtaining, by the processor, firmware from the first memory through the first interface, wherein the firmware includes a configuration information ciphertext of a first trusted computing group (TCG); and decrypting, by the AES engine, the configuration information ciphertext of the first TCG based on a first key and a preset decryption algorithm, to obtain a configuration information plaintext of the TCG.