Abstract: This application discloses a channel sounding method and a communication apparatus. One example method includes: generating, by a first access point, a construction frame, wherein the construction frame indicates a second access point to perform channel sounding, the construction frame comprises identifier information of the second access point, identifier information of at least one station, and a first sounding dialog token number, the at least one station is associated with the first access point, and the first sounding dialog token number is used to identify the construction frame; and sending, by the first access point, the construction frame.

Abstract: A directional sound system includes a base member with at least one pane element fixed to the base member. The base member includes a base surface. An exciter is fixed to the at least one pane element and includes an exciter surface. An adhesive isolation ring is applied between the at least one pane element and the base member. A predetermined thickness of the adhesive isolation ring creates a gap between the base surface of the base member and the exciter surface. The at least one pane element is positioned on the base surface of the base member. The exciter when energized generates a directional signal.

Abstract: A body silhouette of a body associated with 2D images of a piece of clothing is determined. A clothing template of the piece of clothing is determined based on the body silhouette. The clothing template indicates a 3D mesh that includes full loops generated from the piece of clothing and half loops generated from the body silhouette. A plurality of side silhouettes of the piece of clothing is determined based on the 2D images. A plurality of key point sets is determined based on the full loops and the plurality of side silhouettes. A plurality of vertices and a plurality of edge loops of the 3D clothing model are determined based on the plurality of key point sets and a plurality of clothing parameters. A plurality of faces of the 3D clothing model is determined based on vertices included in the plurality of edge loops.

Abstract: The present disclosure provides an open long-stroke press with a trimming structure for deep drawn products, including a press body, and upper dies and lower dies arranged on the press body. One of the upper dies is arranged with a forming rod, and one of the lower dies is disposed with a forming cavity matched with the forming rod; the forming rod includes a rod body and a rotating sleeve integrated with the rod body; and the rod body and the rotating sleeve are relatively fixed or rotated by a plurality of inserts. According to the present disclosure, the abrasion between an upper opening and a side wall of the lower die and between an inner ring of the upper opening and a wall body of a mandrel is greatly reduced, and meanwhile, the grinding time is saved.

Abstract: An ultrasonic imaging method includes: controlling an ultrasonic probe to transmit ultrasonic waves to a biological tissue under examination and receive echo signals of the biological tissue under examination, the echo signals comprising one group of channel data; beam-forming the channel data by using a first beam-forming procedure to obtain beam-formed data of a first group of beam-forming points, and generating a first ultrasonic image of the biological tissue under examination based on the beam-formed data of the first group of beam-forming points; determining a region of interest based on the first ultrasonic image; beam-forming the channel data by using a second beam-forming procedure to obtain beam-formed data of a second group of beam-forming points; generating a second ultrasonic image of the region of interest based on the beam-formed data of the second group of beam-forming points; and displaying the first and second ultrasonic images in a fusion manner.

Abstract: A method for power distribution in an electricity-hydrogen hybrid energy storage system in a microgrid method includes: decomposing a current operating power of a microgrid into a to-be-smoothed power and a grid connection power; distributing the to-be-smoothed power according to a current SOC value of the electrochemical energy storage system and a current SOH value of the hydrogen energy storage system with a goal of minimizing operating costs to obtain a first optimal charge/discharge power required for controlling the electrochemical energy storage system to operate and a second optimal charge/discharge power required for controlling the hydrogen energy storage system to operate; and adjusting an SOC state of the electrochemical energy storage system according to a protection strategy determined by the to-be-smoothed power, a preset SOC operating range of the electrochemical energy storage system, and the current SOC value, while controlling an overall operating status of the microgrid.

Abstract: An information processing apparatus performs: estimating, for each of a plurality of topics in a conversation history, a partial conversation history related to the topic in the conversation history; generating a partial summary sentence from the partial conversation history; and generating a summary document of the conversation history based on the partial summary sentence for each of the plurality of topics. The information processing apparatus can support a user's decision making based on the summary document.

Abstract: A display includes: a memory and a controller. The memory is configured to store correspondence between keyboard-mouse commands and touch operations. The controller is connected to the memory and is configured to receive a keyboard-mouse signal, and correspondingly output a touch signal according to the correspondence, wherein the touch signal is configured to operate a touch device according to the touch operations.

Abstract: An information processing apparatus comprising: at least one memory storing instructions; and at least one processor configured to execute the instructions to; determine whether an order information group corresponds to any of one or a plurality of types for which a symptom detailed statement needs to be generated; specify related order information related to a type corresponding among the order information included in the order information group; extract event-related information related to a medical event, the event-related information being information related to the related order information, from an examination article; and generate the symptom detailed statement by inputting the related order information and the event-related information to a language model. The information processing apparatus can support, for example, decision-making related to generation of the symptom detailed statement.

Abstract: A coherent detection method, apparatus, and system are disclosed. The method may include: receiving an intensity-modulated optical signal transmitted by a transmitting end, where the intensity-modulated optical signal is obtained by intensity modulation performed by the transmitting end on an original signal; performing phase modulation on a local oscillator optical signal to obtain a phase-modulated local oscillator optical signal; and mixing the intensity-modulated optical signal and the phase-modulated local oscillator optical signal, and then performing photoelectric detection, analog-to-digital conversion, and digital signal receiving processing in sequence to recover the original signal.

Abstract: An air purifier includes a housing, a main circuit board provided in the housing, and an adjustment assembly including a display screen, a display circuit board, an encoder, a knob assembly, a first flexible flat cable, a second flexible flat cable, and a fixed connection board provided with a cable threading hole. The encoder includes a fixed seat and a rotation sleeve sleeved on the fixed seat. The knob assembly is formed with an installation cavity inside which accommodates the display screen, the fixed connection board and the encoder. The fixed seat is connected to housing, the fixed connection board is connected to a side of the fixed seat away from housing; the display screen is connected to a side of the fixed connection board away from housing, and the display circuit board is connected to a side of the display screen facing the fixed connection board.

Abstract: A display includes: a memory, a physical switching element and a controller. The memory is configured to store multiple pieces of candidate extended display identification data. The physical switching element is configured to be triggered by external force to generate a first switching signal. The controller is connected to the physical switching element and the memory. The controller is configured to control a displayed screen according to original setting data among the pieces of candidate extended display identification data, and adjust the displayed screen according to target data that is different from the original setting data among the pieces of candidate extended display identification data after receiving the first switching signal.

Abstract: A semiconductor package includes a flip chip die communicatively coupled to a substrate. A lid is also coupled to the substrate and covers the flip chip die. A non-curing thermal conductive liquid coolant fills a volume defined by the lid and is used to dissipate heat that is generated by the flip chip die. The non-curing thermal conductive liquid coolant may include nanometer-sized particles that enhance the heat dissipation properties of the non-curing thermal conductive liquid coolant. The semiconductor package also may include a micro-rotator that causes the non-curing thermal conductive liquid coolant to circulate within the volume when a temperature of the flip chip die exceeds a temperature threshold.

Abstract: An antenna system includes a first radiation source, a second radiation source, a reflection apparatus, and a first transmission apparatus. A direction of an emitting port of the first radiation source and a direction of an emitting port of the second radiation source are arranged back to back along a same axis. A reflective surface of the reflection apparatus and the first transmission apparatus are arranged opposite to each other. The reflection apparatus is configured to reflect the first signal emitted by the first radiation source to a ring-shaped transmission area of the first transmission apparatus by using the reflective surface. The first transmission apparatus is configured to radiate, through the ring-shaped transmission area, the first signal reflected by the reflective surface. The second radiation source is configured to emit a second signal through an area formed based on an inner diameter of the ring-shaped transmission area.

Abstract: The present application provides a display panel and a display apparatus. The display panel comprises a plurality of pixel circuits, each of which comprises a plurality of transistors. The display panel further comprises a substrate, a first organic layer, and a first metal layer. The first organic layer is disposed on one side of the substrate, the first metal layer is disposed on the side of the first organic layer away from the substrate, the first metal layer comprises a first conductor portion, and orthographic projections of the first conductor portion and at least one of the transistors in the pixel circuit on the substrate overlap. The first conductor portion comprises a first opening, and an orthographic projection of the first opening on the substrate overlaps at least partially with an orthographic projection of the first organic layer on the substrate.

Abstract: The disclosure provides a display panel and a display device. The display panel includes a base substrate; an active layer located on one side of the base substrate; multiple metal layers located on a side of the active layer away from the base substrate, the multiple metal layers including a first metal layer and a second metal layer, the first metal layer including a physical part and a plurality of openings, the second metal layer including a physical part and a plurality of openings; and a first shielding area, where at least a portion of the active layer is located in the first shielding area, and in a direction perpendicular to a plane where the base substrate is located, at least one of the physical part of the first metal layer and the physical part of the second metal layer covers the first shielding area.

Abstract: An apparatus includes a plurality of circuit blocks, a plurality of scan-enabled flip-flop circuits, and a plurality of scan signature circuits. The plurality of scan-enabled flip-flop circuits may be coupled in a sequential manner across the plurality of circuit blocks, and be configured to shift a scan chain test signal from a test input interface to a test output interface. The plurality of scan signature circuits may be coupled to respective ones of a subset of the plurality of scan-enabled flip-flop circuits, and be configured to, in response to a particular test signal, concurrently load a known scan-chain pattern to the subset of the scan-enabled flip-flop circuits. The plurality of scan-enabled flip-flop circuits may be further configured to sequentially output at least a portion of the known scan-chain pattern to the test output interface.

Abstract: A coherent detection method and device, and an optical transmission system are disclosed. The method may include: acquiring an optical transmission signal and a local oscillator signal, where a frequency value of the local oscillator signal differs from a frequency value of the optical transmission signal by a preset offset frequency value, the preset offset frequency value being smaller than a symbol rate value of the optical transmission signal; obtaining a coupled signal according to the optical transmission signal and the local oscillator signal; converting the coupled signal into an analog signal; sampling the analog signal according to a preset sampling frequency value and converting the analog signal into a plurality digital signals; and processing two digital signals among the plurality of digital signals so that a phase difference between the two digital signals to is 90 degrees.

Abstract: The disclosure discloses a strain of Bifidobacterium breve capable of preventing and relieving psoriasis and application thereof, belonging to the field of microbial technologies and medical technologies. The disclosure provides new uses of B. breve CCFM1078 in inhibiting the release of IL-23/Th17 axis related inflammatory factors, and relieving the psoriasis. The B. breve CCFM1078 of the disclosure can relieve the lesion skin of psoriasis-like mice, and can inhibit thickening of the skin epidermal layer, so that the IL-23 level, the IL-22 level and the IL-17 level in the skin decrease by 20.3%, 22.0% and 18.3%, respectively. The B. breve CCFM1078 has a great application prospect in the preparation of a product (such as a food, a drug or a health food) for preventing and/or treating psoriasis.

Abstract: Disclosed is a method for controlling a focused ultrasound therapy device based on an Acorn RISC Machine, the focused ultrasound therapy device being connected to a workstation and an ARM embedded processor running a linux operating system, the ARM embedded processor storing a first control program, the workstation storing a second control program, the method including: the first control program controlling the focused ultrasound therapy device by executing a task and sending a task execution result to the second control program; the task includes an internal event and an operation instruction, the internal event includes a timer event of the first control program and an interrupt message of a linux kernel, the second control program receives the operation instruction through the workstation and sends the operation instruction to the first control program.