Abstract: A heat dissipation structure includes a main body having a plurality of radiating fins. The radiating fins are coated on outer surfaces with a heat-exchange layer formed of a plurality of powder-like granules. With the heat-exchange layer, the main body may have increased surface areas for heat dissipation to provide upgraded heat dissipation efficiency.

Abstract: A method and an apparatus for collaborative end-to-end large model-oriented self-driving trajectory decision-making are provided. The method includes: processing an RGB image from ego vehicle, an RGB image from surrounding vehicle, and an RGB image from road-side by using a first feature extraction network to obtain a first image feature, a second image feature, and a third image feature, respectively; fusing first image feature, second image feature, and third image feature to obtain an image fusion feature; processing point cloud data of road-side to obtain a road-side point cloud feature; processing image fusion feature and road-side point cloud feature to obtain a first BEV feature and a second BEV feature; fusing first BEV feature and second BEV feature to obtain a fused BEV feature; and fusing prompt information and fused BEV feature to obtain text information, and then processing text information to obtain an ego vehicle trajectory decision-making result.

Abstract: A multimodal perception decision-making method for autonomous driving based on a large language model includes: acquiring an RGB image and an infrared image of a target area at current time; processing the RGB image using a target detection model to obtain a predicted bounding box and a corresponding target detection category; processing the infrared image and the predicted bounding box and the corresponding target detection categories by using a segmentation model to obtain a target mask image; fusing the RGB image, the target mask image and the infrared image using a fusion model to obtain a fused feature map; performing fusion processing on first prompt information representing a user intent, second prompt information representing target detection category priorities, and the fused feature map, using a large Vision-Language Model to obtain textual information; and processing the textual information using a large natural language model to obtain a perception decision-making result.

Abstract: A method of assembling a chiral superstructure includes applying a quadrupole magnetic field to a plurality of magnetic nanostructures and configuring the plurality of magnetic nanostructures into a chiral superstructure by controlling a magnitude and a direction of the quadrupole magnetic field. A magnetic chiral superstructure includes a plurality of magnetic nanostructures assembled into a chiral superstructure by applying a quadrupole magnetic field to the plurality of magnetic nanostructures and configuring the plurality of magnetic nanostructures into a chiral superstructure by controlling a magnitude and a direction of the quadrupole magnetic field.

Abstract: A method and an apparatus for vehicle positioning. The method includes: acquiring a distance transformation image of a road marking object in a road image based on the road image of an environment where a vehicle is located at a current time point; acquiring a vector subgraph of the road marking object from a global vector map; and determining a target positioning posture of the vehicle based on the distance transformation image and the vector subgraph.

Abstract: A method of making colloidal kagome superlattices can include functionalizing a plurality of metal nanoparticles with a plurality of oligonucleotides to produce programmable atom equivalents; and cooling the programmable atom equivalents to induce crystallization of the programmable atom equivalents. The cooling process can include cooling the PAEs from a first temperature to a second temperature at a first cooling rate, cooling the PAEs from the second temperature to a third temperature at a second cooling rate, and cooling the PAEs from the third temperature to a fourth temperature at a third cooling rate. The kagome superlattices can have a rhombohedral unit cell formed by alternating chiral layers of PAEs organized in 2-dimensional distorted kagome layers. The colloidal superlattices can have anisotropic light emission, Purcell factors of at least 25 and birefringent properties.

Abstract: The disclosure relates to an optical device for wavelength division multiplexing of two or more input beams. The disclosure proposes the optical device, and a corresponding method for operating the optical device. The optical device comprises a multiplexer and two or more channels for the two or more input beams, wherein each channel is configured to receive one input beam of the two or more input beams and to provide a rotated beam, which has a polarization rotated compared to a polarization of the corresponding input beam, to the multiplexer, and wherein at least one channel of the two or more channels is configured to rotate the polarization of the corresponding input beam in a different direction than at least one other channel of the two or more channels.

Abstract: A wide-field imaging and hyperspectral collaborative early warning system and method are provided. The system includes: a primary imaging system, a digital micromirror array, a first collimation system, a second collimation system, a first reflector, a second reflector, a wide-field imaging optical filter, a narrow-band optical filter, a wide-field imager and a hyperspectral interferometer. The system and method have the advantages that the wide-field imaging general survey and fine spectrum detection can be realized synchronously, the functions are multiple, and the false alarm rate is low; the target spatial resolution of the fine spectrum identification is adjustable, the micro-control unit flipping solution is simple to operate, and quick adjustment is realized; the adaptability is strong, the flipping time of the corresponding micro-control unit is adaptively adjusted for the measured target with too low or too strong radiation intensity, and the dynamic range of the system is effectively improved.

Abstract: Disclosed are a pixel circuit, a method for controlling a pixel and a display panel. The pixel circuit includes a first thin film transistor, a controlled end of the first thin film transistor is connected to the scan line, and an input end of the first thin film transistor is connected to the data line; and a first selection circuit, an input end of the first selection circuit is connected to an output end of the first thin film transistor, the first output end of the first selection circuit is connected to the first pixel electrode, and a second output end of the first selection circuit is connected to the second pixel electrode; the first thin film transistor is configured to sequentially write a data signal transmitted on the data line into the first pixel and the second pixel through the first selection circuit.

Abstract: A capillary structure and a heat dissipation device thereof are disclosed. The capillary structure is applied to a two-phase fluid heat dissipation device. The capillary structure has a main body having an internal closed space. The main body has a top layer formed with multiple passages in communication with the closed space of the main body. Multiple column bodies are disposed in the closed space. The column bodies and the passages are staggered from each other. The heat dissipation device has an internal airtight chamber. A working fluid is filled in the airtight chamber. The capillary structure is disposed in the airtight chamber. The capillary structure provides respective bypass paths for the vapor working fluid and the liquid working fluid. Accordingly, the liquid working fluid and the vapor working fluid in the capillary structure will not interfere with each other or be interrupted by each other.

Abstract: Disclosed is a carbon fiber preform, a preparation method therefor and a preparation method for carbon/carbon composites, falling within the technical field of composites. The carbon fiber preform provided by the present disclosure includes a plurality of stacked carbon fiber cloths and prestressed layers arranged between every two of adjacent carbon fiber cloths, the prestressed layer including a boron-containing phenol-formaldehyde resin coating and carbon fiber bundles distributed within the boron-containing phenol-formaldehyde resin coating. In the present disclosure, the prestressed layers are formed by adding the carbon fiber bundles and a boron-containing phenol-formaldehyde resin precursor to a two dimensional (2D) stacked preform, thereby counteracting internal stresses during carbonization and obtaining a carbon/carbon composite having higher strength and being less prone to cracking.

Abstract: An array substrate, a display device, and a driving circuit are disclosed. The array substrate includes a substrate, a pixel electrode layer disposed on the substrate, a first insulating layer disposed on the substrate, multiple data lines disposed on the first insulating layer, a second insulating layer disposed on the first insulating layer and covering the data lines, a common electrode layer disposed on the second insulating layer, and multiple data signal cancellation lines disposed between the common electrode layer and the first insulating layer. The common electrode layer includes multiple common shield electrode layers. The data signal cancellation lines are disposed in one-to-one correspondence with the data lines. Along the direction from the pixel electrode layer toward the common electrode layer, one common shield electrode layer covers one respective data signal cancellation line and one respective data line.

Abstract: A distributed multi-antenna collaborative phase stabilization device for future broadband wireless communication. The device includes a central station and various antenna terminals interconnected via optical fibers to form a linear communication system. The distributed multi-antenna reception signals are optically modulated at the antenna terminals into different wavelengths of optical signals, and then coupled into a single optical fiber using wavelength division multiplexing technology for transmission to the central station. At the central station, the optical signals are converted back into the original RF (radio frequency) signals through optoelectronic conversion.

Abstract: Embodiments of the present disclosure relate to the technical field of computer processing, and provide an effect playback method and system for a live room, and a device. The method comprises: recognizing an article in a live room; determining a corresponding effect according to a target attribute of the article and the live room, wherein the correspondence among the article, the target attribute, and the effect is preset; and playing back the effect in the live room.

Abstract: Disclosed is a carbon fiber preform, a preparation method therefor and a preparation method for carbon/carbon composites, falling within the technical field of composites. The carbon fiber preform provided by the present disclosure includes a plurality of stacked carbon fiber cloths and prestressed layers arranged between every two of adjacent carbon fiber cloths, the prestressed layer including a boron-containing phenol-formaldehyde resin coating and carbon fiber bundles distributed within the boron-containing phenol-formaldehyde resin coating. In the present disclosure, the prestressed layers are formed by adding the carbon fiber bundles and a boron-containing phenol-formaldehyde resin precursor to a two dimensional (2D) stacked preform, thereby counteracting internal stresses during carbonization and obtaining a carbon/carbon composite having higher strength and being less prone to cracking.

Abstract: The present invention provides a carbon dioxide ocean liquid balloon storage method. The method comprises: suspending an uncharged liquid balloon device in seawater at a depth of not less than 600 m in advance; conveying liquid carbon dioxide to an inside of the liquid balloon device through a conveying pipe; when the liquid carbon dioxide charging volume reaches the rated charging volume of a carbon dioxide submarine storage device, stopping charging; closing a stop valve of a liquid balloon inlet pipe and disconnecting the carbon dioxide conveying pipe from the liquid balloon inlet pipe; and controlling the liquid balloon device to enable the liquid balloon device to be placed in a seabed at the appropriate depth, with the depth of the seabed of not less than 3,000 m. The whole liquid balloon device is of a frame liquid balloon structure, and comprises a frame structure and a liquid balloon structure.

Abstract: Embodiments of the present disclosure relate to a video processing method and apparatus, a device, and a medium. The method includes: obtaining a reference editing operation sequence specified by a user, where the reference editing operation sequence includes at least one reference editing operation arranged in a sequential order of operations; and providing operation prompts according to the sequential order of the reference editing operations, to direct the user to perform the reference editing operations on a target video step by step, where each reference editing operation in the reference editing operation sequence has a corresponding operation prompt.

Abstract: An electromagnetic actuator comprises a housing, front and rear magnetic poles, and a guide sleeve. The front magnetic pole is fixed to the housing, the housing has a cavity, the cavity has a closed end and an open end, the open end is closed by the front magnetic pole, and the rear magnetic pole and the guide sleeve are mounted in the cavity; the guide sleeve has a first end facing the open end, a second end facing the closed end, an elastically deformable flange at the first end, and a radially stepped surface at an axially middle portion facing the closed end; the rear magnetic pole is axially abutted between the radially stepped surface and the closed end; and the flange is elastically abutted against the front magnetic pole, such that the guide sleeve and the rear magnetic pole are axially positioned with respect to the housing.

Abstract: A method for processing a map includes: obtaining a plurality of reference maps from vehicle-mounted devices; determining map elements included in the plurality of reference maps and a first element position where each map element is located; and obtaining a target map by fusing the map elements in the plurality of reference maps based on the first element position where each map element is located.

Abstract: An array substrate, a display device, and a driving circuit are disclosed. The array substrate includes a substrate, a pixel electrode layer disposed on the substrate, a first insulating layer disposed on the substrate, multiple data lines disposed on the first insulating layer, a second insulating layer disposed on the first insulating layer and covering the data lines, a common electrode layer disposed on the second insulating layer, and multiple data signal cancellation lines disposed between the common electrode layer and the first insulating layer. The common electrode layer includes multiple common shield electrode layers. The data signal cancellation lines are disposed in one-to-one correspondence with the data lines. Along the direction from the pixel electrode layer toward the common electrode layer, one common shield electrode layer covers one respective data signal cancellation line and one respective data line.