Abstract: The present disclosure is applicable to a field of laser radar technology and provides a resonance module, a silicon-based external cavity chip, a laser, and a laser radar. The resonance module includes multiple main resonators and at least one auxiliary resonator, both of the main resonators and the auxiliary resonator are tunable micro-ring resonators; the multiple main resonators are cascaded in sequence through a connecting module to form a cascaded structure, and a vernier effect can be formed between two adjacent main resonators; when an auxiliary resonator is provided for matching the main resonator, coupling of the main resonator and the auxiliary resonator that are provided in a matching manner expands a free spectrum range of the main resonator. The tunable range of lasers applied to the laser radar and improve the scanning angle of the laser radar can be expanded.

Abstract: Disclosed are a CD player interaction method and device based on artificial intelligence speech control. The method comprises: performing preprocessing and feature extraction on a speech command by a VAD algorithm to obtain a feature vector parameter of the speech command; performing similarity matching by feature vectors of preset action commands of a CD player stored in a speech reference model library; and using an action command corresponding to a maximum similarity as a recognition result of the speech command, and transmitting the recognition result to the CD player to implement a corresponding function. Human-machine interaction of the CD player is realized.

Abstract: A pixel circuit, a display panel, and a display device. The pixel circuit includes a light-emitting element, a pre-charging circuit, a first energy storage circuit, a data writing circuit and a driving circuit; the pre-charging circuit writes a data voltage into a pre-charging node under the control of a pre-charging scanning signal; the first energy storage circuit is electrically connected to the pre-charging node for storing electric energy; the data writing circuit controls the connection or disconnection between the pre-charging node and the first terminal of the driving circuit under the control of the first scanning signal; the first terminal of the driving circuit is electrically connected to the light-emitting element for driving the light-emitting element. The present disclosure enables the threshold voltage compensation to be completed during the data writing phase without the line scan time limitation during high frequency display.

Abstract: A decoder receives a bitstream containing quantized coefficients representative of blocks of video representative of a plurality of pixels and decodes the bitstream using context adaptive binary arithmetic coding. The context adaptive binary arithmetic coding decodes the current syntax element using the first mode if the current syntax element is intra-coded and selecting between a first set of probable modes and a second set of probable modes, where the first set of probable modes are more likely than the second set of probable modes. The context adaptive binary arithmetic coding decodes the current syntax element using the second mode if the current syntax element is intra-coded and if selecting among one of the second set of probable modes.

Abstract: Embodiments of the present disclosure provide a display device, comprising a display module. The display module comprises a back plate. A first accommodating part and a second accommodating part which are stacked and communicated with each other are formed on one side of the back plate. The first accommodating part is configured to accommodate a backlight component, and the second accommodating part is configured to accommodate a liquid crystal screen.

Abstract: An electronic apparatus performs a method of encoding a video signal. The method comprises: obtaining a first picture frame including a first component and a second component; determining a plurality of sample offsets associated with the second component in the first picture frame; deriving a first class index for the second component from a first set of one or more samples of the first component relative to a sample of the second component; selecting a first sample offset from the plurality of sample offsets for the second component according to the first class index; and obtaining a cross-component offsetted sample value of the second component based on the first sample offset.

Abstract: A power circuit includes a power input terminal, a power factor correction circuit, a DC-DC conversion circuit and a power output terminal connected in sequence. The power factor correction circuit includes an input rectifier unit, a first inductor, a first diode, a first capacitor, a power switch transistor, and a rheostat unit.

Abstract: A trench MOSFET includes: a substrate having a first doping type; an epitaxial layer having the first doping type, located on the substrate; gate trenches and a first conductive channel; gate conductors, each located in one of the gate trenches and isolated from the epitaxial layer via a gate dielectric layer; an epitaxial depletion region having a second doping type, located in the epitaxial layer at a bottom of the first conductive channel; body regions having the second doping type, located on two sides of each gate trench and adjacent to a side wall of the first conductive channel; source regions having the first doping type, each located in each of the body regions; a source electrode, contacting the epitaxial depletion region via the first conductive channel; and a drain electrode, contacting the substrate on a surface of the substrate away from the epitaxial layer.

Abstract: The present disclosure discloses a display device and a display terminal. A first backplate is disposed on a back side of a flat plate part; a second backplate is disposed on a side of a solder pad part; a rigid support layer is attached onto the first backplate; a buffer layer is attached onto the rigid support layer; a notch is provided at an end of the buffer layer close to a bending part; an adhesive layer is disposed at the end of the buffer layer close to the bending part, and the second backplate is attached onto a surface of the notch through the adhesive layer; and a heat dissipation support layer is disposed on a side of the buffer layer.

Abstract: Methods for video decoding and encoding, apparatuses and non-transitory storage media are provided. In one decoding method, the decoder obtains a plurality of scaling parameters for Local Illumination Compensation (LIC) that represents scaling factors in compensating illumination changes between a reference block and a current block. Furthermore, the decoder derives a predicted pixel in the current block based on at least one of the plurality of scaling parameters, or based on a plurality of pixels in the reference block with a subset of the plurality of scaling parameters.

Abstract: A power conversion apparatus may include a direct current-direct current conversion circuit and a controller. The direct current-direct current (DC-DC) conversion circuit may include a full-bridge circuit, the full-bridge circuit includes a first bridge arm and a second bridge arm that are connected in parallel, and each of the bridge arms includes an upper bridge arm switch and a lower bridge arm switch that are connected in series. The controller controls turn-on/off of the upper bridge arm switch and the lower bridge arm switch of each of the bridge arms based on a voltage of a first connection point between the upper bridge arm switch and the lower bridge arm switch in the first bridge arm and a voltage of a second connection point between the upper bridge arm switch and the lower bridge arm switch in the second bridge arm.

Abstract: A hybrid bond sheet for bonding a first joining member to a second joining member, including: a core layer including: a core insulating layer formed between an upper main face and a lower main face of the core layer; and one or more metallic through-connections penetrating the core insulating layer from the upper main face to the lower main face. The hybrid bond sheet includes a first bonding layer with a first insulating bond layer and a first metal bond layer for bonding the first joining member. The hybrid bond sheet includes a second bonding layer with a second insulating bond layer and a second metal bond layer for bonding the second joining member. The one or more metallic through-connections and the first and second metal bond layers are configured to form an electrically and thermally conductive connection with the first joining member and the second joining member.

Abstract: As a solution of unified transmission configuration indication (TCI) framework, a beam indication method, a user equipment and a base station are provided. The unified TCI state framework contains joint downlink (DL)/uplink (UL) TCI state and separate DL/UL TCI state, which share a common TCI state pool. Radio resource control (RRC) signalling of unified TCI state, media access control (MAC) control element (CE) used for unified TCI state activation/deactivation and downlink control information (DCI) applied for DL beam indication support the unified TCI state framework. Introducing procedure of the joint DL/UL TCI state and the separate DL/UL TCI state reduces signalling overhead and leads to more flexible and uniform DL/UL beam indication.

Abstract: A method and apparatus for adaptively processing video samples in a video signal frame, the video samples being arranged in a Largest Coding Unit. The method comprises extracting a plurality of video samples from the Largest Coding Unit, calculating a correction offset for a first video sample of the extracted plurality of video samples upon the basis of a first value of the first video sample and a second value of a second video sample of the extracted plurality of video samples, and weighting the first video sample with the correction offset.

Abstract: A composite additive for forming inclusions with a core-shell structure, a preparation method and a smelting method are provided. The composite additive includes the following chemical components by mass percentage: Fe: 41-59%, Zr: 5-11%, Ti: 14-26%, Mg: 11-19%, and RE: 4-10%, in which the mass percentage content of Zr element, Ti element, Mg element and RE element satisfies a formula: (Ti+Mg+RE)/Zr=4-8. The composite additive for forming inclusions with a core-shell structure has the characteristics of fineness, spheroidization and obvious dispersion effect. This type of inclusions has a bulk modulus similar to that of the iron matrix, which can significantly improve the plasticity, toughness, fatigue resistance, local corrosion resistance, welding performance, cold bending performance, etc. of steel materials, suitable for steel types with strict requirements on the shape of inclusions, such as marine steel, pipeline steel, container steel, cold heading steel, tool and die steel, etc.

Abstract: A method for decoding video data, comprising: obtaining internal luma sample values of a video block from a bitstream, obtaining neighboring luma and chroma sample values of the video block; calculating first filtered values based on the neighboring luma sample values for each direction of a number of directions, wherein each of the first filtered values is calculated based on sample differences between luma sample values in the direction, accumulating the first filtered values for each direction of number of directions respectively to obtain accumulated values; determining a direction of number of directions for which an accumulated value is the largest one of the accumulated values among the number of directions, applying the determined direction as a direction for predicting internal chroma sample values of video block based on the internal luma sample values of the video block, and obtaining decoded video block using the predicted internal chroma sample values.

Abstract: A Ni-free micro-alloyed high-strength steel with ultra-low temperature toughness and a preparation method thereof are provided. The micro-alloyed high-strength steel includes the following chemical components by mass percentage: 0.011% to 0.099% of C, 0.051% to 0.24% of Si, 1.21% to 1.49% of Mn, 0.030% to 0.059% of Nb, 0.009% to 0.016% of Ti, 0.001% to 0.018% of Zr, 0.001% to 0.018% of rare earth (RE), and the balance of Fe and inevitable impurities. The mass percentage also meet the following formulas: 0.21%<C+Si<0.24%, and Si/C=1 to 8; 0.02%<Nb+Ti<0.05%, and Nb/Ti=1 to 3; 0.010%<Zr+RE<0.019%, and Zr/RE=1 to 6. The micro-alloyed high-strength steel uses a completely different composition design (i.e., a simple low-cost Ni-free composition design) to realize ultra-low temperature toughness, and with the help of Zr+RE compound deoxidation and Nb+Ti compound micro-alloying technologies, realizes ultra-low temperature toughness at ?100° C. to ?120° C.

Abstract: Methods for video decoding and encoding, apparatuses and non-transitory storage media are provided. In one decoding method, the decoder obtains a first restricted neighbor area of a current block as a first scanning area and a second restricted neighbor area of the current block as a second scanning area, where the first restricted neighbor area and the second restricted neighbor area are separate. Furthermore, the decoder obtains one or more motion vector (MV) candidates from a plurality of non-adjacent neighbor blocks to the current block based on the first and second scanning areas. Moreover, the decoder obtains one or more control point motion vectors (CPMVs) for the current block based on the one or more MV candidates.

Abstract: The present application provides a collagen type III composition prepared from a fibroblast extracellular matrix. The collagen type III is ultimately prepared by further purification, detection, and isolation based on the extracellular matrix components in a conditioned culture solution for fibroblasts, which are the most important cells in the human skin dermis, and can be combined with hyaluronic acid to form a composition formulation for use by people who want to remove and fill wrinkles on face and neck. The method is a production technique of the collagen type III composition from the fibroblast extracellular matrix, which belongs to a transplantation technology. More specifically, the human collagen is prepared from the cell culture supernatant by in vitro culturing the skin donated by volunteers for fibroblasts. The detection results of HIV, HBV, HCV, and syphilis infection markers are all non-reactive, mycoplasma is negative, and bacterial detection is negative.

Abstract: The present application provides a light emitting panel, a preparation method thereof, and a light emitting apparatus, which relate to the field of display technology. The light emitting panel includes a base; a reflective layer located on a side of the base, the reflective layer includes a plurality of grooves arranged in an array; a plurality of devices located in the grooves and electrically connected to the base; a first optical film located on a side of the reflective layer facing away from the base, the orthographic projection of the first optical film on the base covers the orthographic projection of the reflective layer on the base, and at least partial areas of the reflective layer are in direct contact with the first optical film.