Abstract: Provided are a low-phase-shift variable-gain amplifier and a method for processing a radio frequency signal. The low-phase-shift variable-gain amplifier comprises: a differential cascode amplification circuit, which comprises a common-source transistor and a common-gate transistor, wherein a gate stage of the common-source transistor is connected to a first bias voltage via a target resistor, and a gate stage of the common-gate transistor is connected to a second bias voltage; a current-steering structure, wherein one end of the current-steering structure is connected between the common-source transistor and the common-gate transistor, a third current signal outputted by the current-steering structure is used to adjust a gain of the differential cascode amplification circuit; and a phase compensation circuit, wherein one end of the phase compensation circuit is connected between the common-source transistor and the common-gate transistor.

Abstract: A semiconductor storage device searches for an optimal read voltage on the basis of an error bit variance for each second read voltage interval without performing repeated additional reads up to the limit of left and right cell difference probabilities. Accordingly, the semiconductor storage device can detect an optimal read voltage rapidly and accurately by minimizing the number of reads for a memory cell, when performing a second read for determining the optimal read voltage.

Abstract: A method for detecting an embedded subscriber identity module (eSIM) card and a terminal device. The method includes: receiving a first operation inputted by a user during first startup setting after a terminal device is reset; detecting, in response to the first operation, whether eSIM card configuration information currently exists in the terminal device; and displaying a first out-of-box experience interface when the eSIM card configuration information exists, where the first out-of-box experience interface includes first prompt information, and the first prompt information is used for prompting to set an eSIM card corresponding to the eSIM card configuration information. The terminal device detects the eSIM card configuration information, and provides a setting guidance for a user based on a detection result of the eSIM card configuration information, which can solve a problem of inefficient and inconvenient eSIM card setting.

Abstract: Disclosed is a disentangled personalized federated learning method via consensus representation extraction and diversity propagation provided by embodiments of the present application. The method includes: receiving, by a current node, local consensus representation extraction models and unique representation extraction models corresponding to other nodes, respectively; extracting, by the current node, the representations of the data of the current node by using the unique representation extraction models of other nodes respectively, and calculating first mutual information between different sets of representation distributions, determining similarity of the data distributions between the nodes based on the size of the first mutual information, and determining aggregation weights corresponding to the other nodes based on the first mutual information; the current node obtains the global consensus representation aggregation model corresponding to the current node.

Abstract: The present invention relate to an antenna apparatus, and more particularly, to an antenna apparatus including an antenna housing part formed in a form of an enclosure opened at a front side thereof, a board assembly disposed to be tightly attached to an internal space defined by the antenna housing part, and a plurality of antenna RF modules arranged on a front surface of the board assembly, in which the antenna housing part is divided into at least three components, and the components are manufactured and then coupled to one another to prevent distortion caused by thermal stress between upper and lower ends due to a difference in heat generation amount between heating elements mounted on the board assembly, thereby preventing the antenna housing part from being distorted by thermal stress caused by imbalance of heat generated from the heating elements, and solving a PIMD problem by preventing an unintended movement and clearance of the internal antenna RF modules.

Abstract: An image encoding/decoding method and apparatus may reconstruct a current picture based on at least one of intra prediction and inter prediction, specify a block boundary to which a deblocking filter is applied in the reconstructed current picture, and apply a deblocking filter to a block boundary based on a filter type pre-defined in an encoding apparatus.

Abstract: Disclosed is a negative electrode including a negative electrode current collector, a lower negative electrode active material layer disposed on one or both surfaces of the negative electrode current collector, and an upper negative electrode active material layer disposed on a surface of the lower negative electrode active material layer opposite the negative electrode current collector. The lower negative electrode active material layer includes a first negative electrode active material including natural graphite particles and a second negative electrode active material including artificial graphite particles in a form of primary particles. The upper negative electrode active material layer includes third negative electrode active material including artificial graphite particles in a form of secondary particles in which two or more primary particles are assembled. A pore volume of the first negative electrode active material is 0.06 mL/g or less as measured by mercury porosimetry.

Abstract: A refrigerator and an anti-condensation method for the refrigerator. The refrigerator includes a first storage compartment, a second storage compartment adjacent the first storage compartment, a separation wall separating the first storage compartment and the second storage compartment, and a heater in the separation wall. The first storage compartment is adapted to be set at a refrigerating temperature, and the second storage compartment is adapted to be set at a freezing temperature. In the anti-condensation method, the heater is controlled to work in an anti-condensation mode when a refrigeration system stops cooling the first storage compartment, to heat a surface of the separation wall facing the first storage compartment, which can significantly reduce the probability of condensation on the surface and is beneficial to reduce the impact of the working of the heater on the refrigeration system.

Abstract: An insulation structure applied to each of two ends of a stator in an axial direction to block an electric field of an end coil assembly from being applied to a motor shaft. The structure includes: a conducting part extending in a predetermined induction direction parallel to a direction in which the end coil assembly is pulled out from the stator; and an insulating part positioned between the conducting part and the end coil assembly to insulate the conducting part.

Abstract: Disclosed is a method for evaluating the underground hydrogen storage (UHS) capacity in porous media of depleted gas reservoirs using CO2 as cushion gas, including the following steps: S1: obtaining physical parameters required for UHS capacity evaluation based on geological and production data of the target depleted gas reservoir; S2: calculating the cap-rock breakthrough pressure and fault-slip pressure of the UHS based on the cap and fault properties of the target depleted gas reservoir to further estimate the highest operating pressure of the UHS; S3: developing the H2—CO2—CH4 multi-component material balance equation in underground porous media by considering the dissolution of three components in formation water; S4: substituting the parameters obtained from S1 and S2 into the multi-component material balance equation to calculate the proportion of different gas components in the pore space to finally determine the UHS capacity of the target depleted gas reservoir.

Abstract: Disclosed are a mobile terminal and a power consumption detection method of the mobile terminal, the mobile terminal including: a power consumption measurement circuit; an application processor configured to transmit a detection command for detecting power consumption data respectively corresponding to at least one hardware module of a plurality of hardware modules of the mobile terminal; and a microprocessor configured to acquire the power consumption data corresponding to the at least one hardware module through the power consumption measurement circuit, based on the detection command received from the application processor.

Abstract: The present invention relates to a method and apparatus for video encoding/decoding by using a geometric modified picture. The encoding method according to the present invention includes: generating a geometric modified picture by geometrically modifying a reference picture; and generating a first prediction block of a current block by performing inter prediction referencing the geometric modified picture.

Abstract: A cross-flow membrane filtration channel defined by at least one membrane, wherein at least one surface of the channel is inclined at an angle away from a centreline of the channel in a direction of feed flow in the channel.

Abstract: This application provides a cell selection method, a cell reselection method, and a chip, to improve user experience. The cell selection method includes: A terminal device searches for a first candidate cell, and receives a system message of the first candidate cell, where the system message includes parameter information of the first candidate cell and bandwidth information of the first candidate cell, and the bandwidth information is used to indicate a bandwidth of the first candidate cell. The terminal device determines a cell selection reception level value Srxlev and a cell selection quality value Squal of the first candidate cell based on cell measurement values and the parameter information of the first candidate cell, and determines that Srxlev>0 and Squal>0. When the bandwidth of the first candidate cell is greater than a preset threshold, the terminal device camps on the first candidate cell.

Abstract: The present invention relates to the technical field of mine fire prevention and extinguishing, in particular to a liquid nitrogen direct injection and low-temperature foaming intelligent filling system based on mine fire area characteristics and an application method, comprising a liquid nitrogen storage tank, a liquid nitrogen direct injection system and a low-temperature foaming system, wherein the liquid nitrogen storage tank communicates with a liquid nitrogen pressurizing device through a main pipeline; a temperature control unit is arranged on the main pipeline; and the liquid nitrogen pressurizing device is connected with the liquid nitrogen direct injection system and the low-temperature foaming system, respectively, liquid nitrogen is directly injected into a foam liquid, to prepare a low-temperature foam type fire preventing and extinguishing material by means of forced convection, membrane boiling, explosion boiling and nucleate boiling between the liquid nitrogen and water.

Abstract: A low dielectric sealing glass powder for a miniature radio-frequency glass insulator is made of the following raw materials expressed in molar percentages: SiO2: 70.5-74.0%, B2O3: 20.5-23.5%, Ga2O3: 0.5-2.0%, P2O5: 0.25-2.0%, Li2O: 0.4-6.0%, K2O: 0.1-1.5%, LaB6: 0.05-1.0%, and NaCl: 0.03-0.3%. The raw material components are simple, and the preparation method is easy to implement. The dielectric constant and dielectric loss of the prepared glass powder are low, and the melting and molding temperature is low, which are convenient for large-scale industrial production. The melting and molding temperature of the low dielectric sealing glass powder ranges from 1320° C. to 1360° C., and the obtained glass has a dielectric constant ranging from 3.8 to 4.1 and a dielectric loss ranging from 4×10?4 to 10×10?4 at a frequency of 1 MHz, and a sealing temperature ranging from 900° C. to 950° C.

Abstract: An image decoding method is disclosed in the present specification. A method of decoding an image, the method may comprises determining whether to perform a context update for a first syntax element of a current block, updating, on the basis of the determination, a context for entropy decoding of the first syntax element and generating, on the basis of the updated context, a bin for the first syntax element, and wherein whether to perform the context update is determined on the basis of the number of pre-decoded predetermined syntax elements for the current block.

Abstract: This present disclosure provides a method for automatic production line planning based on an Industrial Internet of Things, a system and a storage medium.

Abstract: A circuit board according to an embodiments includes an insulating portion comprising a plurality of insulating layers, wherein the insulating portion includes: a first insulating portion; a second insulating portion disposed on the first insulating portion and having a coefficient of thermal expansion corresponding to the first insulating portion; and a third insulating portion disposed under the first insulating portion and having a coefficient of thermal expansion corresponding to the first insulating portion; wherein the first insulating portion includes a prepreg including glass fibers, and wherein the second and third insulating portions include a resin coated copper (RCC) with a coefficient of thermal expansion in the range of 10 to 65 (10?6 m/m·k).