26results about How to "Avoid performance loss" patented technology

This invention discloses a data synchronization method and system based on front-end orchestration management, belonging to the field of data synchronization. The method includes the following steps: selecting the data table and field information to be monitored through the front-end interface, generating configuration information, and orchestrating the synchronization process logic according to business needs; storing the configuration information in real time to the configuration center to generate real-time monitoring rules; capturing changed data of the data table and field information, encapsulating it into standard data units and sending it to a message queue; preprocessing the standard data units in the message queue; the synchronization adaptation module matching the corresponding driver type according to the synchronization process logic to generate a synchronization instruction set, and executing data synchronization operations based on the preprocessing results; performing full-link monitoring of the synchronization process, and performing task lifecycle management based on the lifecycle rules configured on the front end. This invention improves synchronization efficiency through dynamic threshold verification, multi-source field fusion weighting, and dynamic encryption strategies, and the full-link monitoring further enhances front-end manageability.

The utility model discloses a kind of amorphous alloy three-dimensional roll iron core annealing monitoring models, comprising: support, amorphous alloy three-dimensional roll iron core, high voltage coil, low voltage coil, insulating iron hoop, ac frequency modulation power supply, magnetized busbar and power analyzer, high voltage coil and low voltage coil are set in the upper yoke portion of amorphous alloy three-dimensional roll iron core;Insulating iron hoop is used to fix amorphous alloy three-dimensional roll iron core;Magnetized busbar is supported by insulating support plate and placed in the inner frame of the iron core;Ac frequency modulation power supply is electrically connected with high voltage coil;Voltage clamp and current clamp are electrically connected with low voltage coil respectively;Power analyzer is electrically connected with the voltage clamp and current clamp.

The invention discloses application of monofunctional isocyanate in surface blocking modification of PA66 industrial yarn, and belongs to the technical field of polyamide fibers. Aiming at the problems of high hydrolytic sensitivity and poor long-term stability of PA66 in a humid environment, monofunctional isocyanate can react with an amino-terminated group on the outermost layer of the PA66 fiber to form an alkyl / aryl urea terminated structure, a formed urea bond is more resistant to hydrolysis than an amido bond, and a monofunctional design ensures that a body type cross-linked network is not formed, so that the service life of the PA66 fiber is prolonged, and the service life of the PA66 fiber is prolonged. The modification reaction is limited to occur only on the surface layer, performance loss caused by internal modification can be avoided, the strength retention rate of the obtained surface-terminated modified PA66 industrial yarn in a high-damp-heat environment is high, the industrial application requirement for long-term durability is met, and the application prospect is wide. Therefore, the composite material has a good application prospect in preparation of radial tire cord fabrics, automobile safety belts, industrial conveying belts or high-pressure rubber hose reinforcing layers.

The invention discloses a PS ratio control system and method for optimizing SWIPT multi-hop relay throughput, the system comprises a source node, the source node forwards information to a destination node hop by hop through a relay set, and the source node is powered by an internal battery or an external power supply; the relays all work in a passive state; energy is collected from a radio frequency signal of a previous hop adjacent node of the relay node by adopting an SWIPT technology, and decoding of a data packet and forwarding of the data packet to a next hop adjacent node are completed at the same time by utilizing a power distribution (PS) protocol; the power distribution ratio, namely the PS ratio, is set as follows: the radio frequency signal at the relay node is divided into two paths, one part is used for energy collection, and the other part is used for information decoding.

The application discloses an abrasion-resistant coating for inhibiting growth of hydrate and a preparation method thereof, and belongs to the technical field of oil and natural gas transportation. The preparation method comprises the following steps: treating copper powder and graphene powder by adopting a ball milling method to obtain graphene / copper composite powder; preparing a graphene / copper porous coating on the surface of a base body by adopting a cold spraying method; modifying the surface of the graphene / copper porous coating by adopting an anodic oxidation method to obtain a coating with Cu2O / CuO composite oxides with nanometer strips on the surface; and performing impregnation treatment on the coating with Cu2O / CuO composite oxides with nanometer strips on the surface by adopting a low-surface-energy substance to obtain the abrasion-resistant coating for inhibiting growth of hydrate.

The invention provides a web front-end big data performance management optimization method and a web front-end big data performance management optimization system, which are applied to the field of computer systems based on a specific web calculation model. According to the system, a Vue2 framework optimization scheme is adopted, on one hand, through non-response type data binding, a Vue response type system is abandoned, interlayer data is manually synchronized through event monitoring, and performance loss caused by large-scale response type data is avoided; on the other hand, by setting virtual rolling optimization superior to that in the prior art, on-demand rendering of dynamic form items is achieved, and the number of nodes is reduced. And on the other hand, by reasonably setting big data processing memory management and utilizing static data binding and component lightweight design, memory occupation during rolling is reduced, and browser memory recovery efficiency is improved. Therefore, the system can solve the performance problem of a large dynamic form page based on inter-layer collaboration and multiple inventive concept collaboration superior to the prior art, the front-end big data informatization development efficiency is improved, and the code maintainability and reconfigurable capability are improved.

This invention discloses a secure encryption method for the operating system kernel based on the AES algorithm, relating to the fields of operating system security and data encryption technology. The method comprises the following steps: S1, traversing and scanning the data in the operating system kernel, identifying sensitive data, and classifying it according to its sensitivity level; S2, generating an encryption master key and hierarchical subkeys based on the AES algorithm; S3, encrypting data of different sensitivity levels using AES encryption algorithms with different rounds and encryption modes; S4, dynamically updating the key and encrypting and storing the updated key in the kernel secure storage area; S5, adding a checksum to the encrypted sensitive data and verifying data integrity; S6, reading the corresponding key and decrypting the data to complete data access. This invention significantly improves key security and data integrity, effectively balances encryption efficiency and system performance, has strong adaptability and high practicality, and is easy to promote and apply.

The application discloses an advertisement click rate prediction system, comprising a data acquisition module for real-time acquisition of user behavior data, attribute data, context data and biological characteristic signal data; a multi-modal feature extraction module for extracting multiple feature vectors; a dynamic feature fusion module for dynamically weighting and fusing multi-modal features through an adaptive attention fusion network; a graph neural network coding module for coding a heterogeneous graph structure to generate a graph embedding feature vector; an adaptive routing prediction module for dynamically selecting an expert subnetwork through a router network for prediction; a real-time feedback calibration module for online parameter updating based on real click feedback and generating a calibration signal; and a multi-objective optimization decision module for outputting an advertisement recommendation list based on multi-objective optimization. The application realizes accurate prediction and intelligent decision through adaptive routing and multi-objective optimization, and significantly improves the accuracy and scene adaptability of advertisement click rate prediction.

The invention relates to the technical field of bridge structure safety device manufacturing, in particular to a hot bending forming process of a fixing plate for a beam falling prevention device, which comprises the following steps: blanking of the fixing plate for the beam falling prevention device: selecting Q355 hot rolled steel, cutting the Q355 hot rolled steel to a preset size by using a laser cutting machine, blanking, and reserving 3-5mm machining allowance on two sides; according to the hot bending forming process, laser cutting blanking and milling machine finish machining are combined, material waste is reduced while the precision is guaranteed, the high-frequency rapid heating and hot forging forming process is adopted, the machining efficiency and material plasticity are remarkably improved, meanwhile, oxidation burning loss is reduced, and the product quality is improved. Meanwhile, a special tool cavity, a water cooling system and a profiling detection and shape correction technology are matched, the forming precision and the size stability are ensured, in addition, the technology is achieved based on conventional equipment, the comprehensive advantages of procedure simplification, cost reduction, efficiency improvement, performance optimization, forming precision and the like are achieved, and the method is suitable for batch production and has good industrial popularization value.

The application discloses a preparation method of a flexible pressure sensor and belongs to the technical field of flexible electronic devices and materials, and comprises the following steps: (1) spin coating to prepare a sacrifice layer, (2) preparing an encapsulation layer and an adhesive layer, (3) placing a lower mask and spin coating a lower electrode, (4) spin coating a piezoresistive layer, (5) removing the lower mask and spin coating a dielectric layer, (6) placing an upper mask and spin coating an upper electrode, (7) removing the upper mask and spin coating an encapsulation layer, and (8) product stripping treatment. In the application, the in-plane strain is limited in a non-sensing area through strain engineering, a plurality of sensors need not to be integrated or a complex microstructure is not needed, and the in-plane strain and the out-of-plane pressure signal are effectively decoupled.

The invention relates to the technical field of aircrafts, and provides a camera sharing method and device, an aircraft and a storage medium. Wherein the physical camera is started through the video management interface; applying for a kernel buffer area corresponding to the physical camera, and configuring the kernel buffer area to be in a direct memory access mode; exporting the kernel buffer area as a direct memory access buffer area handle; and creating a virtual camera conforming to a video management interface standard, and binding the direct memory access buffer area handle with the virtual camera. According to the invention, zero-copy image stream sharing can be realized, performance loss caused by multiple copies of image stream data in a user mode is avoided, and the real-time requirement of multiple applications on camera sharing is met.

The application discloses a kind of sound barrier backboard pressure rib parameter optimization design method, it is related to engineering structure design and optimization technical field, and design method includes the following steps: establishing the finite element model of sound barrier, applies design wind pressure load, with predetermined initial pressure rib parameter as benchmark, deflection is solved;In the case where remaining parameters remain unchanged, respectively, change the depth, width, quantity and length of backboard pressure rib alone and carry out single-factor parameterization simulation, obtain the deflection variation corresponding to each parameter under different value;According to the size of deflection variation, determine the influence weight order of each parameter on the wind pressure resistance performance of screen body;With the parameter of maximum influence weight as priority maximization object, determine the maximum feasible value of this parameter within the range allowed by manufacturing process, and form optimal pressure rib parameter combination in combination with the maximum value of the remaining parameters.It is realized that the wind pressure resistance performance of screen body is maximized by systematic parameterization simulation and influence weight ordering.

The invention relates to a block chain data synchronization method and device, equipment, a storage medium and a product, and relates to the technical field of block chains. The method comprises the steps of obtaining prediction data related to a network state of a block chain network; predicting the network load of the block chain network based on the prediction data through the hybrid prediction model to obtain a network load prediction value; the hybrid prediction model is constructed based on a time sequence model and a graph neural network model; based on the network load prediction value and the network topology structure information, performing preliminary slicing on the to-be-synchronized data to obtain a preliminary slicing result; performing resource consumption assessment and synchronous risk assessment on each block chain node to obtain a resource consumption score and a synchronous risk score of each block chain node; and generating a data synchronization strategy based on the resource consumption score and the synchronization risk score of each block chain node and the preliminary slicing result, so as to perform block chain data synchronization based on the data synchronization strategy.

The invention discloses a method, a system, equipment and a medium for recording an original voice stream in real time and converting the original voice stream into a playable voice file, and the method comprises the following steps: after a calling party and a called party establish a call, combining SDPs of the calling party and the called party into the same SDP capable of distinguishing the calling party and the called party, sending an SIP signaling to a naked stream recording server through an SIP protocol, after a recording request is received, a calling SDP and a called SDP in the SIP signaling are analyzed, a media format is obtained through media level description and fmtp in the SDP, and received voice media streams are classified and stored according to the media format; the media format is divided into constant packet media and non-constant packet media; for the non-constant packet media, a mute packet is supplemented to the voice media stream; respectively compressing and packaging the constant packet media and the non-constant packet media supplemented with the mute packets to obtain a playable audio file; and combining the playable audio files of the calling party and the called party into a dual-track audio file. According to the invention, the system performance consumption caused by transcoding and frame supplementation required by original recording is reduced, and the concurrency performance of stand-alone voice recording is improved.

The utility model provides a flash light supplementing system of photographic equipment, which comprises a lamp body unit and a remote control unit in wireless connection with the lamp body unit. The lamp body unit comprises a flash lamp light source, a normally-on lamp light source, a control circuit module and a power supply module, and the control circuit module is configured to switch and control the flash lamp light source and the normally-on lamp light source; the remote control unit comprises a light source switching control module. According to the mobile phone flash lamp system provided by the utility model, the double light sources are independently controlled, the shooting flexibility is greatly improved, and the requirements of instant light supplement and continuous illumination can be respectively met by arranging the independent flash lamp light source and the normally-on lamp light source; the wireless remote control operation is adopted, the use convenience is greatly enhanced, the split type remote control unit is adopted, a user can remotely switch light source modes in the shooting process, the system is particularly suitable for long-distance shooting, selfie or fixed camera position scenes, and the operation convenience is improved.

Embodiments of the present disclosure provide a data communication method, device, system and medium, relating to the technical field of data communication. The data communication method is applied to a first target entity of a target system, the target system further comprising a second target entity and a shared memory; the data communication method comprises: obtaining a shared memory block for data communication from the shared memory; storing a structured data object comprising a plurality of different types of data members in a target storage space of the shared memory block, the target storage space being a continuous storage space in the shared memory block; and sending position information of the target storage space to the second target entity, so that the second target entity obtains the structured data object from the shared memory according to the position information.

The invention discloses a cloud mobile phone client system for realizing native-level multi-end experience adaptation and an adaptation method, the system takes end-cloud collaboration as a core architecture, and consists of a client adaptation engine deployed at a user terminal and a configuration management server at a cloud end; and the client adaptation engine and the configuration management server establish data interaction through an encrypted communication link to form a complete data flow closed loop of equipment feature uploading, dynamic configuration issuing and real-time updating feedback. A client adaptation engine is used as a core execution unit, an equipment information acquisition module, a configuration acquisition module, a state monitoring module, an interaction behavior mapping module, a rule analysis module, a rendering engine and a unified service interface layer are integrated, and all the modules adopt an event-driven mode to achieve efficient cooperation. And meanwhile, the matching adaptation method provides a complete and landing solution for multi-terminal native adaptation of the cloud mobile phone client, so that the experience consistency of cross-device use is greatly improved.

This invention discloses a UAV image transmission signal classification method based on EMA-ResNet50. This method generates a grayscale time-frequency image from the UAV image transmission signal through short-time Fourier transform, introduces an EMA attention module, and preserves complete channel information without channel dimensionality reduction through feature grouping, parallel sub-networks, and cross-spatial learning, enhancing the ability to extract multi-scale features and pixel-level relationships. Furthermore, the EMA is embedded into a ResNet50 Bottleneck structure to construct an EMA-ResNet50 model. Experiments show that this method achieves a recognition accuracy of 99.81% across a distance of 20–150m on the DroneRFa dataset, and still reaches 94.26% at a low signal-to-noise ratio of -15dB. It also achieves 100% accuracy in distinguishing interference signals such as WiFi and Bluetooth, making it suitable for scenarios such as low-altitude security and airport airspace protection.

The invention relates to the technical field of power supply temperature control, in particular to a mobile power supply and data line temperature control transmission system and method, and the system comprises a main control software unit, a multi-channel temperature sensing module, an intelligent power adjustment module, an active heat dissipation execution module, and a data line integrated communication and recognition module. The main control software unit runs in a microcontroller built in the mobile power supply or a firmware / software module cooperatively working with an application processor; the main control software unit receives and fuses data uploaded by the multi-channel temperature sensing module and the data line integrated communication and identification module in real time, makes a decision through a built-in temperature management strategy algorithm, and dynamically adjusts the output power of the intelligent power adjustment module and / or starts the active heat dissipation execution module. In the whole process of high-power fast charging or external high-power discharging, temperature rise can be effectively restrained, and long-time and large-amplitude power limitation caused by temperature contact is avoided.

The present application relates to the technical field of three-dimensional point cloud data processing and graph convolutional neural network, and particularly to a multi-domain adaptive graph convolution method and device based on visual selectivity. The present application takes the primate visual selectivity theory as the core basis, first constructs a multi-scale visual hypersphere neighborhood space, adaptively completes the polarization gridding of the neighborhood through clustering analysis, then designs a visual selectivity adaptive graph convolution operator to complete single-neighborhood feature extraction, constructs a deep network based on the visual hierarchical serial processing logic to realize high-level feature abstraction, and finally completes the point cloud classification task through multi-domain feature fusion. The present application solves the problems of information loss, topological structure damage, insufficient feature expression capability, and poor multi-scale feature adaptability in the existing 3D point cloud processing technology, and can be widely applied to 3D point cloud processing scenes in the fields of autonomous driving, augmented reality, robot perception, etc.

The utility model belongs to the technical field of photovoltaic glass, and discloses silk-screen photovoltaic glass which comprises a glass substrate, one end of the back surface of the glass substrate is provided with a backboard layer, the front end of the glass substrate is provided with a photovoltaic cell layer, one side of the photovoltaic cell layer is provided with an antireflection coating, the outer surface of the glass substrate is fixedly provided with a heat dissipation frame, and the heat dissipation frame is provided with a heat dissipation layer. The upper end and the lower end of the heat dissipation frame are each provided with a plurality of heat dissipation grooves, the inner surfaces of the heat dissipation grooves are each fixedly connected with a plurality of heat dissipation fins, the heat dissipation grooves and the heat dissipation fins on the same transverse side are jointly and fixedly connected with heat conduction pipes, and the two heat conduction pipes are attached to a glass base body. According to the utility model, through the arrangement of the heat dissipation frame, under the synergistic effect of the heat dissipation grooves, the heat dissipation fins and the heat conduction pipes, the heat generated by the glass can be rapidly conducted out, the heat dissipation efficiency is obviously improved, the performance loss of the photovoltaic glass caused by high temperature is effectively avoided, and the stable photoelectric conversion performance of the photovoltaic glass is maintained.

The application discloses a large model weight file meta information security protection method and system, relates to the technical field of artificial intelligence model security, and comprises the following steps: analyzing an original model weight file, separating and extracting meta information and weight tensor data; using a public key of a receiver to asymmetrically encrypt the extracted meta information to generate an encrypted meta information file; storing the weight tensor data in a plaintext form as an independent weight file; when loading a model, using a private key of an authorized party to decrypt the encrypted meta information file to obtain meta information; and loading corresponding weight tensor data from the plaintext weight file according to storage position information in the decrypted meta information to complete loading and reconstruction of the model. The application only asymmetrically encrypts meta information, and weight data is stored in a plaintext form, thereby avoiding performance loss caused by full file encryption and decryption, significantly improving model loading efficiency, and being particularly suitable for large models of the level of 100 billion parameters.

The utility model relates to the technical field of carriages, and discloses a wide-body dumper carriage which comprises a carriage body, a bottom plate is fixedly connected to the lower surface of the carriage body, a first air guide opening is formed in the bottom plate, a longitudinal beam is fixedly connected to the lower surface of the bottom plate, and a second air guide opening is formed in the longitudinal beam in a penetrating mode. A supporting beam is fixedly connected to the outer wall of the longitudinal beam, a cross beam is fixedly connected to one side of the outer wall of the longitudinal beam, two third air guiding openings are formed in the cross beam, a side bent beam is fixedly connected to one side of the cross beam, and an air outlet beam is fixedly connected to one end of the cross beam. According to the utility model, through the design of the plurality of longitudinal beams and the connecting cavities, the heating coverage rate of the bottom plate and the transition area is obviously improved, and meanwhile, the connectivity of the cavities is improved through the gas guide ports I, so that tail gas diffusion is more uniform; tail gas does not enter a cavity of the supporting beam, the shock absorber is prevented from being grilled, and the service life is prolonged; the first filter plate and the second filter plate effectively prevent blocking, stable operation of the system is guaranteed, and practicability of the whole carriage is improved.

This invention discloses a MATLAB-based joint optimization design method for multi-color LED diffractive optical elements with specific patterns. Starting from the physical essence of multi-wavelength coupled diffraction, this invention performs global joint optimization, significantly improving the overall performance of the Design of Elements (DOE). Simulations predict an increase in total diffraction efficiency, while achieving high-fidelity pattern output and excellent color consistency. By using color uniformity error as one of the core optimization objectives, this invention actively suppresses spatial separation of different wavelengths of light, effectively reducing color difference and color fringing in the output pattern. By embedding laser direct writing process constraints within the design loop, the optimization results are ensured to be directly used for processing, avoiding performance losses caused by the disconnect between design and manufacturing, and realizing "design as manufacturing."

The application discloses a Cr2N chromizing nitriding layer on a stainless steel surface, which is composed of a nitriding layer with Cr2N as a main phase; and the application also discloses a preparation method of the chromizing nitriding layer. ‑4 Pa, and then argon gas is introduced to prepare a chromizing layer; step two, preparation of the chromizing nitriding layer: after the preparation of the chromizing layer in step one is completed, the surface metallurgy equipment is vacuumized to 1.0*10 ‑2 Pa again, and then nitrogen gas and argon gas are introduced to prepare the chromizing nitriding layer. The preparation method of the application can effectively reduce the reaction temperature and shorten the reaction time, removes the powder loading and powder removing processes in the embedding chromizing-solid solution nitriding technology, greatly shortens the production cycle, avoids the dust pollution problem, and is suitable for industrial production.