Abstract: A state determination method and apparatus for a cleaning robot are provided. The method includes: acquiring a working mode of the cleaning robot in real time; based on the working mode, acquiring a target accumulation threshold corresponding to the working mode; based on the target accumulation threshold, performing selection and accumulation of respective angle change values detected within a preset duration to obtain an accumulated change value; and determining a state of the cleaning robot based on the accumulated change value.

Abstract: A bandwidth-limited client station is configured to operate with a maximum bandwidth that is less than a full bandwidth of a communication channel of a wireless local area network. The bandwidth-limited client station negotiates a target wake time (TWT) period with an access point, including negotiating a particular non-primary component channel among one or more non-primary component channels in which the bandwidth-limited client station is expected to operate during the TWT period. The bandwidth-limited client station receives a first legacy packet from the access point in the particular non-primary component channel, the first legacy packet including a beacon frame. The bandwidth-limited client station also receives a trigger frame from the access point in a second legacy packet in the particular non-primary component channel during the TWT period.

Abstract: A method for controlling a position of a steering wheel of a vehicle includes obtaining vehicle path data indicating a path of the vehicle, obtaining road condition data for roadways along the path of the vehicle, determining, based on the road condition data, whether hazardous road conditions are present on the roadways along the path of the vehicle, determining a state of a driver of the vehicle, determining, based on at least one of the determination of whether the hazardous road conditions are present and the state of the driver, whether to provide an alert to the driver; and, in response a determination to provide the alert to the driver, adjusting at least one of a stow position of the steering wheel and a rake position of the steering wheel.

Abstract: The present disclosure relates to a display device, including an LCD screen, wherein the LCD screen includes a backlight source provided with a plurality of zones; each zone is provided with visible light sources; and at least one zone is provided with infrared light sources; wherein the infrared light sources are configured to emit infrared light having different bands, and the infrared light of the different bands, after irradiating an object, is collected by a multispectral infrared camera and used for three-dimensional reconstruction of the object based on a photometric stereo method.

Abstract: Provided in the present invention are an ethylene/?-olefin copolymer for a solar cell encapsulation film, and the use thereof. Using the ethylene/?-olefin copolymer provided in the present invention in a solar cell encapsulation film can give consideration to both a relatively high vulcanization reaction speed and good anti-PID performance of the solar cell encapsulation film. The ethylene/?-olefin copolymer for a solar cell encapsulation film satisfies the following conditions (a) to (c): (a) under an angular frequency condition of 0.1-500 rad/s, the characteristic relaxation time at 190° C. is 200.0-500.0 milliseconds; (b) the weight-average molecular weight is 20,000-200,000 g/mol, the density is 0.850 to 0.910 g/cc; and (c) the molecular weight distribution is 1.5-3.

Abstract: A method for an uplink transmission, performed by a terminal device, includes: receiving transmission conflict information sent by a network device; determining a first time domain position, where the first time domain position comprises a time domain position shared by an uplink frequency domain resource and a downlink frequency domain resource; and controlling the uplink transmission according to the transmission conflict information and the first time domain position.

Abstract: A transparent antenna, wherein the transparent antenna includes: a supporting plate and a radiation element provided on one side of the supporting plate, wherein the radiation element includes a substrate and a first radiator provided on one side of the substrate, the first radiator has a grid-line-like structure, and the shape of the outer contour of the first radiator is a rectangle having at least one cut corner; and a connecting component, wherein the connecting component is electrically connected to the radiation element.

Abstract: Embodiments of the present application disclose a control method for a cleaning device, and a related device. The control method comprises: in an obstacle crossing mode, first controlling a cleaning device to move in the direction away from an obstacle, i.e., first controlling the cleaning device to move backwards relative to the obstacle, and then controlling the cleaning device to travel in a first travel direction, wherein the first travel direction is set obliquely relative to the length direction of the obstacle. The control method provided in the embodiments of the present application is helpful for the cleaning device to cross the obstacle by itself when the cleaning device is blocked by the obstacle, especially for crossing relatively low obstacles such as a doorsill and a slideway, thereby reducing manual intervention of a user, improving the cleaning efficiency and the use comfort of the user, and enhancing the user experience.

Abstract: The embodiments of the disclosure provide methods, apparatuses, devices and storage media for page interaction. In the method, a plurality of navigation tags are presented in sequence in a navigation region of a page; a position adjustment control for a first navigation tag of the plurality of navigation tags is presented; and a presentation position of the first navigation tag is presented in the navigation region in response to a detection of a preset operation on the position adjustment control. In this way, the user can conveniently and quickly customize the arrangement sequence of the plurality of navigation tags. The presentation of the navigation tags is flexibly adjusted according to the use requirement, which improve the page browsing efficiency and the user experience.

Abstract: An electronic monitoring system with a sleep mode includes an access point having a first clock circuit and at least one monitoring device. The monitoring device obtains images of a monitored area and generates a trigger signal corresponding to a detected event. The monitoring device includes a second clock circuit and first and second control architectures. The first control architecture obtains the images of the monitored area and to enters an idle state. The second control architecture receives the trigger signal and wakes the first control architecture from the idle state. Upon waking from the idle state, the control architectures determine a present time for the first control architecture as a function of stored times for the first and second control architectures and of the present time in the second control architecture. A method of providing a high precision time stamp upon waking from the sleep mode also is disclosed.

Abstract: A method for performing a communication operation is performed by a terminal. The method includes: determining a first transmission direction corresponding to a semi-static flexible time domain unit based on dynamic indication information sent by a network device, wherein the flexible time domain unit is configured with a subband, and the subband corresponds to a second transmission direction; and performing the communication operation in the flexible time domain unit in accordance with the first transmission direction or in accordance with a relationship between the first transmission direction and the second transmission direction.

Abstract: A method for determining a downlink control information size alignment is performed by a terminal. The method includes: receiving first downlink control information for scheduling a plurality of cells; determining a reference cell among at least one first cell corresponding to the first downlink control information; and determining a size alignment on pieces of legacy downlink control information and the first downlink control information in the reference cell, and determining a size alignment on pieces of legacy downlink control information in a second cell among the at least one first cell, wherein the second cell is a cell other than the reference cell among the at least one first cell.

Abstract: A vision system is described that acquires images in a scene with a camera assembly 110 and analyzes features in the acquired images with a vision system processor 120. It includes an illumination panel 132, having a grid of individually addressable light sources, of at least one color of light that generates an illumination pattern. The panel defines a width and a length, in which the length is greater than the width and the grid is oriented approximately in a first plane. A beam splitter 162 allows an optical axis OA of the camera assembly or the grid direction of light propagation to extend through the beam splitter onto the scene. The light sources can comprise multicolor LEDs. A controller 130 can address the multicolor LEDs via a serial data bus. A controller can further synchronize the LED display pattern and image acquisition.

Abstract: A near-field communication (NFC) chip, a phase synchronization method, and an electronic device related to the field of communication technologies are provided, to quickly synchronize a transmitted signal of an NFC card device with a carrier of an NFC card reader. The NFC chip includes a processing circuit configured to: determine a first carrier frequency offset between a local clock signal and a carrier clock signal, and generate a first frequency control word based on the first carrier frequency offset. The NFC chip further includes a phase-locked loop configured to generate a first clock signal based on the local clock signal and the first frequency control word. The NFC chip also includes a phase alignment circuit configured to perform phase selection on the first clock signal based on the carrier clock signal to obtain a second clock signal, and send the second clock signal to a transmitter circuit.

Abstract: A luminous baseball is provided, which includes a housing. The housing includes an inner shell, a soft rubber layer, and a leather layer. A circuit board is fixedly provided in the inner shell. The circuit board is electrically connected with a battery and a plurality of LED light beads. The housing is made of transparent material. The light emitting color and color changing time of the LED light beads can be controlled by providing the circuit board. The circuit board is firmly installed, which can reduce resonance and prevent shaking and damage during hitting the baseball. The soft rubber layer can adjust the hardness of the baseball, and the leather layer can effectively reduce a direct force during hitting, improve buffering performance. A user can turn on or off the lights according to needs, and the battery can be charged through USB or TYPE-C charging ports.

Abstract: It discloses an apparatus and a method for treating oil-containing sludge, wherein, a pressurized chamber is the main structure, and a mixture of carbonic acid in water, iron-rich biochar and polyaspartic acid is sprayed in pulses by a nano-aeration device inside the pressurized chamber. The carbonic acid is decomposed into supercritical CO2 by the nano-aeration device, reducing the viscosity of petroleum hydrocarbons in the oil-containing sludge synergistically with the polyaspartic acid. The iron-rich biochar promotes dissolution of petroleum hydrocarbons from the oil-containing sludge, thus enhancing the drive-off ratio of oil phase, and improving the decomposition of residual oil organics. In the treatment of oil-containing sludge according to the present invention, high temperature retting of the separated sludge with bacterial bran increases the degree of humification of the sludge, the treated sludge contains petroleum hydrocarbon below 1%, and can be directly available to plants.

Abstract: A porous biochar for improving heavy pollution and a method for producing the same. Said porous biochar is prepared as follows: arrowhead, which has excellent enrichment of lead, is used to absorb heavy metal lead in polluted water or artificial wetlands, simultaneously absorb heavy metal cadmium, thereafter is dried and treated as a biomass, and then the biomass is calcined in stages with a passivating agent in a high temperature environment, so as to heavy metals such as lead and cadmium be stably coated or enriched in a biochar, which is mixed with Pseudomonas aeruginosa having high resistant, to obtain the porous biochar; the porous biochar has high specific surface area, high porosity and excellent mechanical properties, is very stable under different acid-base environments and oxidizing conditions.

Abstract: Disclosed is a flow-guide device for an offshore platform, comprising a flow-guide column base, a ballast level control device and a spiral side belt system, wherein the flow-guide column base is located at the bottom of an offshore platform, and multiple flow-guide column bases are arranged symmetrically and distributed in a ring array; the flow-guide column base is rotatably connected to the offshore platform; a ballast compartment is arranged in the flow-guide column base, and the ballast level control device is used for controlling a ballast level in the ballast compartment; and the spiral side belt system is arranged outside the flow-guide column base and used for restraining vortex-induced resonance. The flow-guide column base and the offshore platform can be kept in a relatively fixed state by means of a clamping device, such that the offshore platform is able to rotate synchronously with the flow-guide column base.