Abstract: Embodiments of the disclosure provide a solution for video processing. A method for video processing is proposed. The method includes: determining, for a conversion between a video unit of a video and a bitstream of the video, whether a reconstructed quality of the video unit exceeds an upper boundary or a lower boundary for a coding quality evaluation; in accordance with a determination that the reconstructed quality of the video unit is lower than the lower boundary or exceeds the upper boundary, applying an adjustment to a parameter related to the video unit; and performing the conversion based on the adjusted parameter.

Abstract: Provided is a method for manufacturing a solar cell, including: providing a substrate having a first surface and a second surface opposite to each other, forming a first doped layer on the second surface and concurrently forming a second doped layer on a target doped dielectric layer; patterning the second doped layer, including removing portions of the second doped layer; etching away the portion of the target doped dielectric layer over the first region; etching away a portion of the target doped semiconductor layer over the first region, and etching away a portion of the second doped layer over the second region; and etching away the portion of the target doped dielectric layer over the second region, a portion of the target doped semiconductor layer over the second region being reserved as a doped semiconductor portion. The respective first regions and the respective second regions are alternatingly distributed.

Abstract: Solar cell, photovoltaic module and preparation method of solar cell. solar cell includes substrate, substrate includes light receiving surface and back surface, light receiving surface includes first region and second region, back surface includes third region and fourth region, first diffusion layer is located on first region or inside substrate corresponding to first region, first diffusion layer has opposite conductivity type to substrate, second diffusion layer is located inside substrate corresponding to third region, second diffusion layer has opposite conductivity type to first diffusion layer, first passivation layer is located on third region and fourth region, first passivation layer covers second diffusion layer and is in contact with substrate, first electrode electrically connected to first diffusion layer is arranged on first region, and second electrode electrically connected to second diffusion layer is arranged on third region.

Abstract: A method of encoding a video sequence into a bitstream includes receiving a video sequence; encoding one or more pictures of the video sequence; and generating a bitstream. The encoding includes compressing a reference picture; transforming, based on the reference picture, a plurality of inter pictures associated with the reference picture into facial semantics; and encoding the facial semantics.

Abstract: The present disclosure provides methods and apparatuses for performing image synthesis. An exemplary image synthesis method includes: acquiring a first image and a second image an image quality of the first image being higher than an image quality of the second image; obtaining a compressed image by compressing the first image; and synthesizing at least a part of the compressed image with at least a part of the second image.

Abstract: A solar cell, including a crystalline silicon substrate; a first passivation contact step provided on a surface of the crystalline silicon substrate; a second passivation contact step provided on a surface of the first passivation contact step away from the crystalline silicon substrate and located corresponding to an electrode; a first passivation antireflection step provided on the surface of the first passivation contact step away from the crystalline silicon substrate and not in contact with the second passivation contact step; a second passivation antireflection step provided on a surface of the second passivation contact step away from the first passivation contact step; and the electrode including a side in contact with the first passivation contact step and another side penetrating through the second passivation contact step and the second passivation antireflection step.

Abstract: Provided are a solar cell, a method for preparing a photovoltaic module, and a photovoltaic module. The solar cell includes a substrate having a first surface and a second surface opposite to the first surface. The first surface includes alternating electrode regions and non-electrode regions, and transition regions, a respective transition region of the transition regions being abutted on one side by a respective electrode region of the electrode regions and on an opposing side by a respective non-electrode region of the non-electrode regions. The transition region includes a plurality of spaced first pyramid structures and a plurality of micro-convex structures, and a length or a diagonal length of a bottom of a respective micro-convex structure is smaller than a length or a diagonal length, respectively, of a bottom of a respective first pyramid structure.

Abstract: A photovoltaic cell is provided and includes a substrate, having a first surface and a second surface opposite to each other. The first surface includes first regions and second regions alternately arranged in a first direction. The photovoltaic cell includes grooves, located in the substrate at the second regions and recessed into the substrate. A single groove includes a bottom surface, and a side wall connecting the bottom surface to a first region adjacent to the bottom surface. The side wall includes at least one slope inclined towards the first region. The bottom surface is provided as a first textured surface including a plurality of first pyramids, the side wall includes a second textured surface including a plurality of second pyramids, and a single first pyramid of the plurality of first pyramids has a height greater than a height of a single second pyramid of the plurality of second pyramids.

Abstract: Provided are a solar cell and a photovoltaic module. The solar cell includes a substrate having a first surface and an opposing second surface. The first surface includes a first region and a second region alternately formed along a first direction, and the first region has a first textured surface that includes a plurality of first pyramids. A respective first pyramid of at least some of the plurality of first pyramids includes a main body portion and enclosing portions formed on a lateral surface and stacked in a direction perpendicular to the lateral surface. The main body portion is a pyramid-like structure having a plurality of lateral surfaces between adjacent lateral edges, and a respective enclosing portion of the enclosing portions extends toward the bottom surface along a second direction. A protruding block protruding relative to the bottom surface is formed at an end of the respective enclosing portion.

Abstract: Embodiments of the present disclosure are related to signal processing for multiple-input-multiple-output (MIMO) communication. In some embodiments, a radio unit obtains a reference signal received at a first number of antenna elements from a terminal device, signal samples of the received reference signal being organized into the first number of sample sets along a spatial dimension. The radio unit compresses the received reference signal along the spatial dimension, to obtain a compressed reference signal, signal samples of the compressed reference signal being organized into a second number of sample sets along the spatial dimension, the second number being less than the first number. The radio unit transmits the compressed reference signal to a baseband unit via a fronthaul interface. The baseband unit determines a channel estimate by reconstructing on the compressed reference signal, the channel estimate indicating the first number of receiving branches at the network device.

Abstract: Disclosed are a solar cell and a photovoltaic module. The solar cell includes a substrate, an emitter structure, a doped conductive structure, a first electrode and a second electrode. The emitter structure is disposed on a first surface of the substrate and includes a first heavily doped region and a first lightly doped region arranged alternately. The doped conductive structure is disposed on a second surface of the substrate, includes a second heavily doped region and a second lightly doped region arranged alternately. A first electrode is disposed at least on the first heavily doped region. A second electrode is disposed at least on the second heavily doped region. A doping concentration index of the first heavily doped region is greater than that of the first lightly doped region, and a doping concentration index of the second heavily doped region is greater than that of the second lightly doped region.

Abstract: Provided are a solar cell, a method for preparing a photovoltaic module, and a photovoltaic module. The solar cell includes: a substrate, a first dielectric layer and a first doped conductive layer. The substrate has a first surface and a second surface opposite to the first surface. The first surface includes alternating electrode regions and non-electrode regions, and transition regions, each respective transition region of the transition regions being abutted on one side by a respective electrode region of the electrode regions and on an opposing side by a respective non-electrode region of the non-electrode regions. The transition region includes a plurality of spaced first pyramid structures and a plurality of micro-convex structures, and a one-dimensional size of a bottom of a respective micro-convex structure is smaller than a one-dimensional size of a bottom of a respective first pyramid structure.

Abstract: Embodiments of the present disclosure relate to the field of photovoltaic technology, and provide a solar cell and a method for producing the same. The solar cell includes: a substrate including a front surface and a back surface opposite to each other, front electrodes formed on the front surface, at least one doped structure formed on the back surface and having doping ions of a first type, a tunneling layer covering at least portions of the back surface and a surface of the at least one doped structure away from the substrate, a doped conductive layer formed over a surface of the tunneling layer away from the substrate and having doping ions of a second type, and back electrodes formed on a side of the doped conductive layer away from the substrate and in electrical connection with the doped conductive layer.

Abstract: The present disclosure relates to the field of photovoltaic technology, and provides a solar cell and manufacturing method thereof. The method includes: providing a substrate including a first surface and an opposing second surface; forming a doped layer by performing doping treatment on the first surface using a first doping element; forming activated portions by performing first laser treatment on first portions of the doped layer; removing the activated portions and forming first textured surfaces by performing first etching treatment; forming a first doped polycrystalline silicon layer including a second doping element and a first silicon glass layer on the second surface; forming porous portions by performing second laser treatment on first portions of the first silicon glass layer; and removing the porous portions and first portions of the first doped polycrystalline silicon layer beneath the porous portions and forming second textured surfaces by performing second etching treatment.

Abstract: The present invention relates to an anti-PCSK9 antibody preparation and use thereof in medicine. The preparation contains an anti-PCSK9 antibody and a buffer solution. The anti-PCSK9 antibody preparation can effectively inhibit the aggregation of the anti-PCSK9 antibody, thereby preventing the degradation of an antibody product and obtaining a stable injectable pharmaceutical preparation.

Abstract: A delivery planning device includes an algorithm calculation unit that has a model of a neural network that determines a route for a moving body on which a delivery target used for replenishment of an inventory is loaded to travel around a plurality of nodes to replenish an inventory. The algorithm calculation unit inputs features of a moving body including a moving speed and a maximum load amount and features of a node including an inventory consumption speed and a maximum inventory capacity to the model.

Abstract: The present disclosure relates to a solar cell, a manufacturing method for a solar cell, and a photovoltaic module. The solar cell includes: a substrate layer having a first surface and a second surface opposite to each other; a tunneling layer disposed on the first surface; a polysilicon layer disposed on a side of the tunneling layer away from the first surface and having a first region and a second region arranged coplanar, an element doping concentration in the first region being greater than that in the second region, an element doping width in the first region being smaller than that in the second region, and the first region being distributed along a boundary of the second region; and an electrode comprising a first electrode electrically connected to the second region and a second electrode disposed on a side of the second surface.

Abstract: Provided is a method for manufacturing a solar cell, including: providing a substrate having a first surface and a second surface opposite to each other forming a first doped layer on the second surface and concurrently forming a second doped layer on a target doped dielectric layer; patterning the second doped layer, including removing portions of the second doped layer; etching away the portion of the target doped dielectric layer over the first region; etching away a portion of the target doped semiconductor layer over the first region, and etching away a portion of the second doped layer over the second region; and etching away the portion of the target doped dielectric layer over the second region, a portion of the target doped semiconductor layer over the second region being reserved as a doped semiconductor portion. The respective first regions and the respective second regions are alternatingly distributed.

Abstract: An optical imaging lens including a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element, an eighth lens element, and a ninth lens element sequentially along an optical axis from an object side to an image side is provided. The first lens element has positive refracting power. A periphery region of the image-side surface of the third lens element is convex. A periphery region of the object-side surface of the fifth lens element is convex. The sixth lens element has positive refracting power. A periphery region of the image-side surface of the seventh lens element is convex. Lens elements of the optical imaging lens are only the nine lens elements described above, and the optical imaging lens satisfies: ALT/Tavg2345?10.000.

Abstract: Methods and arrangements for supporting serving of multiple wireless devices by a radio network node of a wireless communication network. It is obtained channel estimation accuracy degradation information for at least one of the multiple wireless devices, wherein the channel estimation accuracy degradation information for respective one of the at least one wireless devices indicates a prediction of a degradation of radio channel estimation accuracy for this wireless device during TDD downlink slots. The multiple wireless devices are being scheduled in the TDD downlink slots based on the obtained channel estimation accuracy degradation information, such that the greater the predicted degradation of radio channel estimation accuracy is for a wireless device among the wireless devices, the greater influence is applied for scheduling the wireless device early among the TDD downlink slots.