Abstract: Embodiments of the present application relate to the technical field of photography, and disclose a photography apparatus and method, an electronic device, and a storage medium. The photography apparatus in the present application includes: an optical transmitting lens configured to transmit infrared light to a target object; and an optical receiving lens configured to receive first reflected infrared light and visible light reflected by the target object; where the visible light and the first reflected infrared light are configured for three-dimensional recognition of the target object. The optical transmitting lens includes a first floodlight irradiator, an infrared dot matrix projector, and a reflector. The first floodlight irradiator is configured to emit compensation infrared light. The infrared dot matrix projector is configured to emit dot matrix projection light. The reflector is arranged in a light emission path of the optical transmitting lens.

Abstract: This application provide a positioning method, including: obtaining, by a first electronic device, a first location of a second electronic device; determining a plurality of candidate locations by using the first location as a center point; selecting a plurality of candidate positioning locations from the plurality of candidate locations based on elevations and azimuths of a plurality of satellites relative to the candidate locations, grid data corresponding to the plurality of candidate locations, and signal parameters of broadcast signals received by the second electronic device from the plurality of satellites; and correcting the first location based on the plurality of candidate positioning locations, to output a corrected second location.

Abstract: A method and an apparatus for embedding watermark information are disclosed in the present disclosure. The method trains an embedded neural network model using weight information of a target neural network model and target watermark information that is to be embedded into the target neural network model, updates the weight information of the target neural network model according to target watermark embedded data provided by the embedded neural network model, and obtains a target neural network model embedded with the target watermark information. Since the embedded neural network model includes multiple neural network layers, this method increases the complexity of the watermark embedding process, and is able to avoid the problem that watermark information of existing neural network models has poor robustness to watermarking attacks such as overwriting attacks and model compression.

Abstract: Disclosed are a new AXL-targeting monoclonal antibody and antibody-drug conjugate. Also disclosed is a method for preparing said antibody and antibody-drug conjugate. The AXL antibody of the present invention can bind with purified human AXL protein and multiple AXL on tumor cell surface with high effectiveness and high specificity. Said humanized antibody also has high affinity and low immunogenicity. Said AXL antibody-drug conjugate has markable performance against tumors having high AXL expression.

Abstract: A CO2 gas-liquid phase transition-based multistage compression energy storage apparatus for converting thermal energy into mechanical energy, including: a gas storage; a liquid storage tank; an energy storage assembly, which includes compressors and energy storage heat exchangers; an energy release assembly (400), which includes energy release heat exchangers and expanders; a heat exchange assembly the energy generated by the energy storage assembly, and the energy release heat exchangers being capable of receiving the energy temporarily stored by the heat exchange assembly; and a driving assembly, which includes an energy input member and a first driving member, the energy input member absorbing external thermal energy to drive the first driving member to work, and the first driving member being used for driving the compressors to work.

Abstract: An image processing method includes: acquiring an input image of a teaching scenario; performing detection on the input image to determine a rectangular detection area that includes a blackboard-writing area; analyzing the rectangular detection area to determine a target area corresponding to the blackboard-writing area; determining four vertices of the target area; and according to the four vertices of the target area, performing coordinate transformation on the target area to obtain a corrected blackboard-writing area image.

Abstract: A die steel with a high thermal diffusion coefficient includes 0.30-0.40 wt. % of C, 0.05-0.10 wt. % of Si, 2.50-3.40 wt. % of Mo, 0.01-0.05 wt. % of Nb, 0.30-0.50 wt. % of Co, 0.01-0.05 wt. % of RE, the rest is Fe and unavoidable impurities, wherein in the die steel, P?0.15 wt. %, S?0.025 wt. %. A preparation method of the die steel includes steps of melting, electroslag remelting, electroslag ingot annealing, forging, spheroidizing annealing, quenching and tempering.

Abstract: A digital and informationized fully-automatic aluminum thermal-spraying production line includes: an automatic feeding system including first transfer mechanisms and first carrying conveying mechanisms; a laser cleaning system including a laser cleaning tank, laser cleaning nozzles and cleaning conveying mechanisms; a first transfer system including second carrying conveying mechanisms and second transfer mechanisms; an aluminum thermal-spraying system including traveling mechanisms, turning mechanisms and an aluminum spraying mechanism, the traveling mechanisms being configured to convey workpieces on the second carrying conveying mechanisms onto the turning mechanisms one-by-one, the turning mechanisms being configured to turn the workpieces by a preset angle, and the aluminum spraying mechanism being configured to perform aluminum arc-spraying on the workpieces.

Abstract: A method for planning collaborative search-and-rescue missions using a plurality of search-and-rescue equipment in medium to far sea areas, includes: step 1: performing environmental modeling for maritime search-and-rescue missions; step 2: performing modeling for search-and-rescue modes using a plurality of search-and-rescue equipment; step 3: defining a maritime collaborative search-and-rescue mission planning model; based on the maritime collaborative search-and-rescue mission planning model, generating an overall matrix RP for the search-and-rescue mission planning using a plurality of search and rescue equipment; step 4: selecting target parameters, and defining a target function ƒ(RP) of the maritime collaborative search-and-rescue mission; based on an overall matrix RP of the maritime search-and-rescue mission environment model, the search-and-rescue mode model using a plurality of search-and-rescue equipment, and the overall matrix RP of the search-and-rescue mission planning using a plurality of sear

Abstract: The present invention discloses a method for the design of complex-valued channel equalizer of digital communication systems, including: constructing a channel equalizer by using a complex-valued neural network; collecting the output signal y(n)=[y(n), y(n?1), . . . , y(n?m+1)]T of the nonlinear channel of the underlying digital communication system as the input of complex-valued neural network and s(n??) as the desired output, and taking the mean squared error as the loss function for the training of complex-valued neural network, which is optimized by the proposed adaptive complex-valued L-BFGS algorithm, and finally using it to implement the design of channel equalizer for digital communication systems. The present invention proposes the use of a multi-layer feedforward complex-valued neural network to construct complex-valued channel equalizer.

Abstract: A winding drum used for winding a safety belt extends in the axial direction and is rotatably supported in a frame of a retractor. A gear mechanism is installed at one side of the winding drum through a force limiting mechanism and comprises a stop wheel and a ball gear which are riveted and fixedly connected in the axial direction. The stop wheel is rotatably installed on the frame, and the ball gear comprises a penetrating shaft hole. The force limiting mechanism is inserted into the shaft hole in the axial direction and both ends of the force limiting mechanism are respectively connected with the winding drum and the gear mechanism to prevent passengers from being excessively restrained by realizing the force limiting function. The gear mechanism and the force limiting mechanism are directly assembled to the winding drum, with simple steps and few independent components.

Abstract: A system and a method for product production management, a server and a storage medium are disclosed. The system includes: a production configuration module, configured to select a plurality of process nodes according to a user's selection operations, establish a connection relationship of the plurality of process nodes according to the user's connection operations, and obtain and display configuration data of a production process flow; a data acquisition module, configured to acquire product data in the production process flow and output the product data to a data storage module; and the data storage module, configured to store the product data in a current data table and/or a historical data table according to a preset storage strategy when the product data matches the configuration data.

Abstract: Yaw estimation systems and methods for an earthmoving machine and control architecture to receive roll and pitch input from an engine end frame (EEF) inertial motion unite (IMU) and from a non-engine end frame (NEEF) IMU, estimate a yaw articulation angle of the NEEF relative to the EEF by at least two different estimation methods based on the received roll and pitch input, fuse the at least two different estimation methods to generate an updated yaw articulation angle, calculate a yaw articulation rate based on the received roll and pitch input, integrate as an integration the updated yaw articulation angle and the yaw articulation rate, generate a real-time yaw articulation angle estimate of the NEEF relative to the EEF based on the integration, and operate the earthmoving machine based on the real-time yaw articulation angle estimate.

Abstract: An energy storage device and method based on carbon dioxide gas-liquid phase change.

Abstract: An energy storage apparatus and method based on carbon dioxide gas-liquid phase change. The energy storage apparatus comprises a gas storage reservoir; a liquid storage tank; an energy storage assembly, provided between the gas storage reservoir and the liquid storage tank, wherein the energy storage assembly comprises a condenser and at least two compression energy storage parts, the compression energy storage parts each comprise a compressor and an energy storage heat exchanger; an energy release assembly, provided between the gas storage reservoir and the liquid storage tank, wherein the energy release assembly comprises an evaporator, an energy release cooler, and at least one expansion energy release part, the expansion energy release part comprises an expander and an energy release heat exchanger; and a heat exchange assembly, comprising a cool storage tank, a heat storage tank, and a heat recovery heat exchanger.

Abstract: A method and a device for producing medium-thickness plates with high thickness precision through a CVC steckel mill. The method includes the following: heating a blank in the heating furnace, and roughly descaling by the descaling machine; enabling the blank to enter the rolling mill, after multi-pass flat rolling, carrying out multi-pass rolling, carrying out linkage rolling of the rolling mill and the coiler furnaces in the rolling process, and enabling the rolling tension to reach a set value; controlling the temperatures of the coiler furnace to a set value in the coiling process; and in the rolling process, starting 30-70% of the original flow of cooling water of the working roll of the rolling mill; and after rolling is finished, finishing the production process through the laminar cooling system and the hot straightening machine respectively.

Abstract: The invention belongs to the technical field of current detection, in particular to a fluxgate current sensor and a current measurement method, wherein the fluxgate current sensor comprises a magnetic probe and an excitation and detection circuit, and the magnetic probe comprises an excitation iron core and an excitation coil, the excitation coil is connected to the excitation and detection circuit, the excitation and detection circuit is used to output alternating excitation voltages to the excitation coil, and the excitation coil is excited to generate alternating excitation currents and cause the excitation iron core to reach saturation alternately; the excitation and detection circuit is further configured to convert the excitation currents flowing through the excitation coil, into equivalent differences of two currents, so as to calculate average values of the excitation currents flowing through the excitation coil via differential equivalent currents, thereby calculating to-be-measured primary currents

Abstract: The present invention discloses a blockchain-based data management and operation system and method for carbon emission/energy consumption of enterprises, and the method comprises the following steps: S1, the enterprise port collects operation data; S2, the data center control calculates regional production indicators and regional prediction data based on the operation data; S3, the data center control determines whether the regional prediction data exceeds the regional target data, and if so, obtains the regional energy consumption reduction task and the regional carbon emission reduction task according to the regional production data and the regional prediction data; S4, the data center control distributes enterprise-level assessment indicators to the enterprise according to the enterprise-level production indicators and the regional production indicators; S5: the enterprise port and the regional data display port visually display the data respectively.