Abstract: A method for in-transit massively parallel matrix multiplication (A*B) via capacitance-based computation is provided, including: generating a sequence of analog spike signals by applying an amplitude-temporal dual encoding scheme, wherein spike amplitudes represent matrix A row elements and spike timings represent matrix B column elements; applying the analog spike signals to analog computing cores; accumulating and discharging charge in a capacitor of each of the analog computing cores in response to the analog spike signals, thereby producing a time-varying voltage corresponding to a dot product result; detecting a time interval required for the voltage of the capacitor to return to an equilibrium level; and decoding the time interval into a digital result using a time-based decoding scheme, wherein the decoding is based on the number of clock cycles elapsed during the capacitor voltage's convergence to an equilibrium level.

Abstract: A vector retrieval method based on a proximity graph is provided, which includes: determining a hubness degree of each vector in a whole vector data set by using an integral function of non-centrality chi-square distribution according to a vector data set; and obtaining hubness degree set H? according to hubness degrees of all vectors; constructing proximity graph G? by using a method of incrementally adding vectors according to similarity distances between vectors in the vector data set and the hubness degree set H?; performing vector hubness degree traversal calculation for the proximity graph G?; performing a pruning operation on the proximity graph based on the hubness degree set H to obtain a final result proximity graph G; performing search on the final result proximity graph G by using a feature vector of a query object as a query vector, to obtain a vector retrieval result.

Abstract: This application discloses a physical uplink control channel resource determining method, a terminal, and a network-side device, and pertains to the field of wireless communications technologies. A physical uplink control channel resource determining method in embodiments of this application is provided, including: receiving, by a terminal, system information, where the system information includes a first index, and the first index is used to indicate one target PUCCH resource set in multiple PUCCH resource sets that are predefined; obtaining, by the terminal, a first target parameter configured for the target PUCCH resource set; and determining, by the terminal based on the first target parameter and a predefined configuration parameter for the target PUCCH resource set, a target physical uplink control channel (PUCCH) resource for use before radio resource control establishment.

Abstract: A self-referencing spectral constraint-based spectral reconstruction method and apparatus, a device, and a medium are provided. The method includes: acquiring a total transmission matrix through a calibration; acquiring each observed speckle generated after target light passes through each filtering interval of a spectral filter to enter a scattering medium, where all observed speckles form a total observed speckle; forming a self-referencing spectrum based on total intensities of each observed speckle; and constructing a spectral reconstruction model based on a neural network and a physical forward process of the total transmission matrix, constructing a composite loss function based on a speckle intensity estimation error and a self-referencing spectrum error, and optimizing the parameters of the neural network via the composite loss function until convergence, thereby yielding an optimized neural network for spectral reconstruction for a given total observed speckle.

Abstract: A Hybrid Automatic Repeat reQuest ACKnowledgement (HARQ-ACK) codebook construction method and transmission method, and a device, are provided. The HARQ-ACK codebook construction method includes: obtaining a time domain feedback record set, where each time domain feedback record in the time domain feedback record set includes a time domain resource assignment record and an equivalent feedback time offset corresponding to the time domain resource assignment record, and the equivalent feedback time offset is a feedback time offset value actually applied when a HARQ-ACK for the time domain resource assignment record corresponding to the equivalent feedback time offset is fed back in an uplink slot; dividing the time domain feedback record set into subsets based on equivalent feedback time offset(s), where each equivalent feedback time offset corresponds to one subset; and constructing a HARQ-ACK codebook based on the subsets obtained through division, to perform feedback in the uplink slot.

Abstract: An ultrafast wide-field quantum sensing device using a neuromorphic event-based vision sensor includes a laser generating a laser beam; a dichroic mirror directing the laser beam onto a diamond sample and passing the laser beam reflected from the diamond, and an event camera receiving from the dichroic mirror the beam reflected from the diamond. A source of microwave energy applied to the diamond. A pulse generator synchronizes the microwave source and the event camera to create CW-ODMR measurements, wherein trigger pulses from the pulse generator are applied to the camera and microwave source. The optically detected magnetic resonance (ODMR) resonance frequency is determined based on the CW-ODMR measurements.

Abstract: A self-referencing spectral constraint-based spectral reconstruction method and apparatus, a device, and a medium are provided. The method includes: acquiring a total transmission matrix through a calibration; acquiring each observed speckle generated after target light passes through each filtering interval of a spectral filter to enter a scattering medium, where all observed speckles form a total observed speckle; forming a self-referencing spectrum based on total intensities of each observed speckle; and constructing a spectral reconstruction model based on a neural network and a physical forward process of the total transmission matrix, constructing a composite loss function based on a speckle intensity estimation error and a self-referencing spectrum error, and optimizing the parameters of the neural network via the composite loss function until convergence, thereby yielding an optimized neural network for spectral reconstruction for a given total observed speckle.

Abstract: An end cover, a battery cell, a battery, and a power consuming device. The end cover includes: a cover body, a first insulating member, and a second insulating member. The first insulating member is fixedly connected to the cover body, and one end of the first insulating member forms a first connecting end. The second insulating member is fixedly connected to the cover body, and one end of the second insulating member forms a second connecting end. The first connecting end and the second connecting end are oppositely disposed and fixedly connected.

Abstract: This application discloses a physical uplink control channel resource determining method, a terminal, and a network-side device, and pertains to the field of wireless communications technologies. A physical uplink control channel resource determining method in embodiments of this application is provided, including: receiving, by a terminal, system information, where the system information includes a first index, and the first index is used to indicate one target PUCCH resource set in multiple PUCCH resource sets that are predefined; obtaining, by the terminal, a first target parameter configured for the target PUCCH resource set; and determining, by the terminal based on the first target parameter and a predefined configuration parameter for the target PUCCH resource set, a target physical uplink control channel (PUCCH) resource for use before radio resource control establishment.

Abstract: A battery cell, a battery, an electric apparatus, a cathode electrode sheet, and a method for manufacturing the cathode electrode sheet are provided. The battery cell includes a cathode electrode sheet and an anode electrode sheet stacked along a first direction. The cathode electrode sheet includes a cathode current collector and a cathode active material layer disposed thereon, the cathode active material layer including a first thinned region located on a side facing a cathode tab. The anode electrode sheet includes an anode current collector and an anode active material layer disposed thereon, the anode active material layer including a second thinned region located on a side provided with an anode tab. The second thinned region at least partially overlaps the first thinned region. The first thinned region reduces lithium deintercalation, thereby alleviating lithium precipitation and improving battery performance.

Abstract: A SDT computation system is provided. The SDT computation system includes a SDT module, an ACAM array, and a mapping module. The SDT module is for outputting a final probability and configured to provide a SDT structure with a root node and deeper inner nodes for calculating probability, in which the final probability of each leaf node of the SDT structure is a product of all of node probabilities along a path from the root node to each leaf node, and wherein a final output of the SDT module is from a leaf with the highest probability. The mapping module is configured to map the SDT structure into the ACAM array, such that each of the ACAM cells in the ACAM array has a threshold programmed to be a parameter for a node in a path leading towards the leaf node of the SDT structure.

Abstract: The present disclosure relates to a multimedia resource processing method and apparatus, a device, and a medium. The method includes: acquiring a multimedia editing draft to be composited, where the multimedia editing draft includes an initial multimedia resource and editing information; performing segmentation processing on the multimedia editing draft to obtain a plurality of draft segments; for the plurality of draft segments, performing composite processing on the different draft segments using different processors to obtain target multimedia resource segments corresponding to the plurality of draft segments; and compositing the plurality of target multimedia resource segments to obtain a target multimedia resource corresponding to the multimedia editing draft, where the target multimedia resource is a multimedia resource obtained after an editing operation indicated by the editing information is performed on the initial multimedia resource.

Abstract: A resource mapping method and apparatus and a device are provided. The method is applied to user equipment UE, and the method includes: determining, by the UE, location information of N target physical resource blocks PRBs, where the N target PRBs are frequency domain resources for a target physical uplink control channel PUCCH; and mapping, by the UE, sequence information of the target PUCCH to the N target PRBs based on the location information, where N is a positive integer greater than 1.

Abstract: Disclosed are a kilogram-scale high-loading iron single-atom catalyst (Fe SAC), and a preparation method and use thereof. Melamine is dissolved in water to obtain a solution A, and cyanuric acid is dissolved in water to obtain a solution B. An organic ligand and a metal salt are dissolved in water to obtain a solution C. The solution B and the solution C are mixed to obtain a solution D. The solution A and the solution D are mixed to obtain a solution E. The solution E is subjected to standing for precipitation for 8-24 hours and a resulting layered solution E is subjected to suction filtration, and a resulting precipitated powder is dried to obtain a precursor. The precursor is heated to a temperature of 500.0-650.0° C. and held at the temperature for 3.0-6.0 hours to obtain the kilogram-scale high-loading Fe SAC.

Abstract: This application relates to the field of power batteries and provides a battery cell, a battery, and a power-consuming apparatus. The battery cell includes an adapter with a protruding welding point and a covering member connected to the adapter. An accommodating cavity is formed between the covering member and the adapter to house at least part of the welding point. The structure allows the covering member to fit more closely to the adapter around the welding point, reducing suspension or detachment of the covering member. As a result, adhesion between the covering member and the adapter is improved, enhancing structural reliability and performance of the battery cell.

Abstract: A plastic part, a battery cell, a battery, and a power consuming device. The plastic part includes: a plate-shaped body, where the body is provided with a first through hole, and the first through hole penetrates through the body in a thickness direction; and a first reinforcing member, disposed on the body and protruding from a surface of the body, where the first reinforcing member is located around the first through hole and is close to the first through hole.

Abstract: Embodiments of the present application disclose a battery cell, a battery, and a power consuming device. The battery cell includes an electrode assembly, a first electrode terminal, and a case. The electrode assembly includes a first tab. The case includes a barrel and a cover connected to the barrel. The barrel is disposed around an outer periphery of the electrode assembly. The cover includes the first electrode terminal. The first tab is electrically connected to the first electrode terminal by using the barrel. The case is of a multi-layer structure. The multi-layer structure has different resistivity.

Abstract: An end cover assembly, an end cover, a battery cell, a battery, and a power consuming device. The end cover assembly includes an end cover, an electrode terminal, and an insulating member, where the end cover is provided with a mounting hole; the electrode terminal is mounted in the mounting hole; and the insulating member is at least partially arranged between the electrode terminal and the end cover, to insulate and isolate the electrode terminal from the end cover. The end cover and/or the electrode terminal are provided with a first limiting portion, the insulating member is provided with a second limiting portion, and the first limiting portion and the second limiting portion cooperate with each other to limit rotation of the insulating member relative to the end cover and/or the electrode terminal.

Abstract: Embodiments of the present application disclose a case, a battery cell, a battery, and a power consuming device. The case is applicable to the battery cell. The case is of a multi-layer structure. A material of an outermost case of the case includes at least one of the following: aluminum, an aluminum alloy, copper, a copper alloy, and chromium. According to the case, the battery cell, the battery, and the power consuming device in the embodiments of the present application, the service life of the case can be prolonged.