25results about How to "Efficient implementation" patented technology

This invention discloses a method and system for constructing a vectorized feature set of an indoor scene point cloud model. The method includes acquiring point cloud data, visible light images from different directions, and depth maps for the indoor scene; performing target object segmentation on the point cloud data based on semantics, and image segmentation on the visible light images and depth maps based on edges; extracting 3D features from enclosed regions of the point cloud, visible light images, and depth maps based on the segmentation results; and then fusing them to generate a vectorized representation of the spatial 3D visual data of the indoor scene. This invention is simple to implement and can achieve a complete expression of multi-dimensional scene data based on point cloud, visible light, and depth map data. Due to the use of a graph structure for data vectorization and fusion, the computational load can be effectively reduced, enabling efficient and low-cost construction of a vectorized feature set for an indoor scene point cloud model.

This invention belongs to the field of drilling stability analysis technology, specifically a wellbore stability evaluation method, electronic equipment, and media. This method establishes a wellbore stability index for the first time, using the average of the wellbore stability indices from multiple wellbore stability sample wells as a threshold. The closer the target well's wellbore stability index is to the threshold, the better the wellbore stability; conversely, the further away, the worse the wellbore stability. This invention's method can evaluate wellbore stability while drilling with high accuracy. The electronic equipment and media based on this invention broaden its application scenarios, making it suitable for evaluating the wellbore stability of horizontal wells in sandstone and mudstone formations.

The application relates to a target detection simulation method based on a satellite-borne load, which comprises the following steps: satellite orbit simulation, star background simulation, visible target judgment and detection image simulation; image processing is performed on the ideal detection image so that the detection image simulation result approaches the detection image of the actual satellite-borne load. The method is realized by using C++ programming to improve the algorithm safety and flexibility.

This utility model discloses an optical fiber coiling device, an optical engine, and an optical module, including a coiling frame and a limiter. The coiling frame has a first surface and a second surface facing each other. The second surface is provided with slots for accommodating or aligning the first and second optical components. The first surface is provided with an arc-shaped coiling channel, a coiling structure, and multiple positioning blocks. The limiter cooperates with the first surface of the coiling frame. After the first optical fiber leading from the slot of the first optical component on the second surface reaches the first surface, it is coiled and limited within the arc-shaped coiling channel. The second optical fiber leading from the slot of the second optical component on the second surface is guided and limited to be led out along a non-coiling path. This utility model achieves effective management and reliable fixation of different optical fiber paths, ensuring the bending radius of the optical fiber. At the same time, the coiling frame integrates an optical component protective cover and auxiliary sealing function, effectively optimizing the internal space of the module, simplifying the assembly process, and improving the reliability and production efficiency of the optical module.

The invention provides a broadband fixed insertion phase automatic wiring method and system in a planar microwave circuit, and relates to the technical field of planar microwave circuit design. The invention provides a wiring method based on a sweeping arc (the turning radius is greater than three times of line width) on the premise of giving a plane wiring area, an insertion phase required by a transmission line, a wiring starting point position, a wiring ending point position and the width of the transmission line. The method can be combined with artificial intelligence algorithms such as a genetics algorithm, a reinforcement learning algorithm and the like, and a wiring path of a phase needing to be inserted is automatically given. According to the method, the advantages of broadband and high-performance transmission based on the sweeping arc winding method are exerted, and the problem that routing layout and fixed insertion phase control based on sweeping arc winding are difficult to design and realize under the constraint of a compact layout range is solved. The transmission line wiring designed based on the proposed design method can realize broadband transmission, high phase adjustment precision and efficient design.

The application discloses a method for preventing missing inspection and cheating in safety inspection and wall inspection in a coal mine based on an internet of things. The method is unique in controlling safety inspection and wall inspection, that is, the method adopts an internet of things technology to integrate data of multiple information systems in a coal mine to realize forced restraint on a position, a time and an electronic trace of safety inspection and wall inspection, so that missing inspection and cheating of safety inspection personnel and wall inspection personnel are eliminated.

The application discloses application of Neuritin in preparation of a medicine for promoting healing of a diabetic wound. The application proves for the first time through experiments that Neuritin expression in wound edge tissue and surrounding sensory neurons is significantly up-regulated after skin damage, and Neuritin expression is significantly down-regulated under a diabetic condition. By constructing a nervous system conditional knock-out and a sensory neuron specific knock-out Neuritin mouse, it is proved that wound healing is significantly delayed after Neuritin is knocked out. By means of spinal cord site injection of an AAV virus to overexpress Neuritin in a DRG and skin electroporation technology to locally overexpress Neuritin in the skin, it is proved that overexpression of Neuritin can significantly promote wound healing of type 1 and type 2 diabetic mice. The application provides a brand-new target and strategy for treatment of a diabetic refractory wound, and has a good clinical transformation prospect.

The utility model provides a temperature sensing probe and a refrigerator cold plate temperature sensing device, comprising an optical fiber probe, a probe fixing member and a microwave antenna, the temperature sensing probe is mainly suitable for application scenarios needing to measure sample shell temperature, such as refrigerator cold plate, chip surface temperature and the like; through the structural design of the optical fiber probe and the probe fixing piece, the diamond block containing the NV color center can be in sufficient and stable contact with the sample to be detected, and it is guaranteed that the temperature detection process is effectively implemented. Meanwhile, the utility model provides temperature sensing equipment suitable for monitoring the temperature of the cold plate of the dilution refrigerator, and the application feasibility of the NV color center sensing technology in the field is verified.

The non-integer linear array DOA estimation method based on accelerated iterative hard threshold value comprises the following steps: constructing a model comprising a non-integer linear array and received signals thereof; generating an estimated value of an ideal covariance matrix of the received signal model; constructing a difference co-array and a sparse optimization model of the non-integer linear array according to the received signal model; solving the sparse optimization model by using an iterative hard threshold algorithm combined with an Armijo type step length criterion to automatically adjust the step length and a support set, and obtaining an initial angle estimation; and generating an accurate angle estimation by performing a first-order Taylor expansion on the initial angle estimation. The application expands the array degrees of freedom by constructing a difference co-array, takes a single fast sample covariance vector as a sparse representation input, adaptively accelerates the convergence by combining the iterative hard threshold algorithm and the Armijo step length criterion, and compensates for the off-grid error caused by grid division by using a Taylor expansion total least square method, so that high-precision DOA estimation is realized under a small number of fast shots.

This invention belongs to the field of industrial internet security technology, specifically relating to an industrial internet vulnerability verification method that addresses the problems of low efficiency, insufficient accuracy, poor engineering feasibility, and inconvenient remediation in existing vulnerability verification technologies. This invention first constructs a protocol template library and parses the original network packets to obtain field sequences; it calculates the distribution entropy, historical mutation response rate, and type identifier as scenario feature vectors; it retrieves similar historical scenarios and dynamically selects strategies based on mutation strategy statistics and experience scores; it generates test cases from mutation seed packets, sends them to the target device for verification, and obtains responses; it updates strategy statistics and the experience replay pool; in case of anomalies, it actively intervenes in experiments to determine causal effects, generating verification records, reproduction packages, and guidelines for manual confirmation. This invention achieves accurate and efficient vulnerability verification, improves the interpretability and reproducibility of results, reduces engineering deployment costs, and facilitates vulnerability analysis and remediation.

This invention discloses a method and apparatus for implementing a reduction algorithm, relating to the field of artificial intelligence technology. The method includes: upon receiving a memory access request from an interface, determining whether the memory access request is a reduction read request; if it is a reduction read request, splitting the memory access request into multiple requests based on address and suspending them in a suspending buffer; upon receiving a response with a reduction flag, performing a reduction operation in the suspending buffer; and upon receiving responses from multiple storage controllers, returning the reduced result as a single response to the interface. This invention efficiently implements a reduction algorithm for multi-core AI processors with minimal logical overhead, avoiding numerous repetitive memory access operations and maximizing data utilization.

This invention discloses a directional bridge, belonging to the field of electronic circuit technology. The directional bridge includes a first port P1, a second port P2, a third port P3, and a three-layer PCB circuit board. The top layer of the circuit board includes resistors R1, R2, R3, R4, R5, R6, R7, R8, and R9, a capacitor C1, a coaxial cable H, and several ferrite beads F. The middle layer consists of Rogers 4350 and FR4 insulating dielectric layers. The bottom layer is GND (ground). This invention features a simple structure, a wide operating frequency range (0.1GHz-4.4GHz), good directivity, and is relatively simple to implement with low manufacturing costs, offering high cost-effectiveness.

The application discloses a kind of higher education credit point automatic accounting and early warning system and method, including educational administration data acquisition and standardization module, training scheme and point rule analysis module, credit point automatic accounting module, academic risk assessment and early warning module, early warning information push and feedback module, data archiving and dynamic updating module;The application is replaced artificial accounting process by multi-source data standardization and automatic accounting model, eliminates human error, realizes the full-process automation of point accounting, and the accounting caliber is unified, the result is accurate, adapts the differentiated conversion needs of difference of conventional course and special course.Cultivation scheme and accounting rule analysis storage mechanism are used, the decoupling of rule and business logic is realized, and the differentiated requirements of different majors, different grades and different education levels can be quickly adapted, and the rule is updated conveniently, and the system has strong expansibility.

The invention discloses a service delivery channel management-related servitization method and a service delivery channel control plane network element, and belongs to the technical field of communication. The method comprises the following steps: sending a service registration request message to a network resource database, wherein the registration request message carries configuration information of a service transmission channel control plane network element; receiving a service registration success response message returned by the network resource database; the method further comprises the following steps: the source network function entity sends a service discovery request message to the network resource database, wherein the service discovery request message carries query parameters including the network function type of the source network function entity, the network function type of the target network function entity and the matching parameters; receiving a service discovery request response returned by the network resource database; the source network function entity comprises one of the following: an access and mobility management network element, an access module of a service transmission channel control plane network element, and an anchor module of the service transmission channel control plane network element.

The utility model relates to the technical field of industrial operation and maintenance, aims at solving the problem that the hanging rail type inspection robot cannot return to the charging pile autonomously after being fed with power at non-charging points, and manual traction is needed for the maintenance personnel to work at high places, and there are safety risks, interruption of inspection, low operation and maintenance efficiency and increased cost, provides an emergency charging interface suitable for track robots, including robot, the robot has the temporary emergency charging mouth, and the temporary emergency charging mouth and the battery inside the robot are mutually parallelly connected, and the temporary emergency charging mouth is detachably connected with the connecting cable, and the connecting cable is provided with the power adapter, the utility model has the beneficial effect that the safety risk of working at high places is completely eliminated, the operation and maintenance efficiency and usability are improved, the system reliability is enhanced, the minimum modification and low -cost deployment are realized, the human resource allocation is optimized, the equipment service life is prolonged and the operation is simple and easy to implement.

This invention discloses a liquid molding device for composite materials with fiber prestress, comprising a lower mold, a clamping body, and an upper mold from bottom to top. The top surface of the lower mold has an inner cavity through which liquid polymer material flows sequentially from front to back, passing through the inlet channel, the cavity, and the outlet channel. The clamping body is placed above the lower mold cavity and includes a support, a fixed clamping component, a movable clamping component, and a sliding component. The fixed clamping component is connected to the left side of the support, and the movable clamping component is connected to the right side of the support via the sliding component. Fiber cloth is fixed between the two clamping components and bears prestress when the movable clamping component moves to the right. The upper mold has corresponding inlet / outlet ports, positioning holes, and connecting holes. This device can realize liquid molding of composite materials with fiber prestress and allows for online adjustment of the liquid polymer material formulation, making it particularly suitable for liquid molding processes of composite materials under certain pressure.

This invention relates to a method and system for defending against backdoor attacks in federated learning, belonging to the field of information security. The method first performs data preprocessing operations on the terminal before executing local training, converting the data from the time domain to the frequency domain and designing a low-pass filter to filter high-frequency signals introduced by backdoor samples. Second, malicious uploads and updates are detected on the server side, the cosine similarity between the pre-global model and the local model is calculated, and an appropriate threshold is set to filter maliciously uploaded local model updates. Finally, a global aggregation operation is performed on the remaining non-malicious uploads and updates to obtain an updated global model, and differential privacy technology is used to perturb the obtained global model. This invention fully considers the scenario where backdoor attacks occur in different locations, mitigating backdoor attacks in federated learning without affecting the model's performance on benign data, thus solving the problem of backdoor attack defense in federated learning.

The invention discloses a photo-thermal response type thermosetting polyurethane film, which is characterized in that bis (2-ethoxyl) disulfide / selenide is fixed on a heat-conducting filler by utilizing the connection effect of IPTS (isopropyl-beta-d-thiosulfate), and is subjected to in-situ reaction with a polyurethane prepolymer to construct a'dynamic cross-linked network 'structure, so that the heat-conducting filler is promoted to be uniformly dispersed in a polyurethane matrix, and the thermal response type thermosetting polyurethane film is prepared. The polyurethane film is endowed with certain mechanical properties, overcomes the defects of poor compatibility with a polyurethane matrix, easy agglomeration and the like in the prior art, also endows polyurethane with excellent shape memory, self-repairability, repeated processing, rapid photo-thermal response behavior and heat conduction and mechanical properties, is applied to the fields of actuators, sensors and aerospace medical materials, and has wide application prospects. Good development prospects are realized.

The embodiment of the invention discloses a video recommendation method and device, electronic equipment and a medium, and relates to the technical field of computers, and one specific implementation mode of the method comprises the steps of obtaining user video watching data in a first preset time period; based on user watching data of a first video in the user video watching data, determining whether the video type of the first video is a hot video; when the video type of the first video is a hot video, sampling and pairing processing is carried out on a watching user set in the user watching data to obtain a watching user pair, and a similarity score between the first video and the second video is determined based on a watching video set of the watching user pair; and based on the similarity score, obtaining candidate recommended videos from a video library, and generating video recommendation information by using the candidate recommended videos. The efficient landing of the recall algorithm under the scene of millions of users and millions of video candidate sets is realized, and the real-time performance and reliability of video recommendation are improved.

The application discloses a system for purifying synthetic gas and regenerating rapeseed oil methyl ester, which regenerates the rapeseed oil methyl ester by removing impurities and tar by means of the steam method of a stripping unit, and adds the regenerated rapeseed oil methyl ester into a washing unit, so that the rapeseed oil methyl ester in the washing unit can better absorb the tar under the condition that a small amount of fresh rapeseed oil methyl ester is added into the washing unit, and the phenomenon of supersaturation is reduced as much as possible; the application also uses the regenerated rapeseed oil methyl ester and the mixed emulsion after cooling to make the moisture in the synthetic gas into condensed liquid through condensation, and capture the water-soluble pollutants of the synthetic gas through the condensed liquid; in conclusion, the application can remove the tar and the water-soluble pollutants at the same time under mild conditions, and can efficiently utilize the rapeseed oil methyl ester.

The invention provides a quantum circuit construction method, a modular multiplication quantum circuit and a related system and device. The method comprises the steps that a first quantum circuit used for achieving calculation of h (x) + f (x) g (x) is constructed; wherein the polynomials f (x), g (x) and h (x) all belong to F2 [x], the F2 [x] is a polynomial ring defined on a binary field F2, and the quantum operation in the first quantum circuit comprises a CNOT operation. According to the quantum circuit, the construction of the quantum circuit is simplified by using the CN OT gate in the quantum circuit, and the use of the Tofli gate is reduced, so that the physical implementation requirement of the quantum computer is reduced, the implementation of polynomial multiplication and addition becomes efficient and concise, and the required quantum gate depth and operation complexity are reduced to a great extent.

The present application relates to the technical field of construction safety management, and discloses a construction safety penetration type management multi-stage linkage early warning system.The system comprises a management layer, an execution layer and a work layer node.The management layer generates a global safety strategy, the execution layer decomposes and issues tasks, and the work layer collects on-site multi-modal safety data, including equipment vibration characteristics, environmental image flow, personnel positioning trajectory and safety operation records.The system first analyzes the changes in equipment vibration characteristics, divides stable and abnormal working condition periods, and selects high-risk areas according to the difference amount;in each high-risk area, the safety state deviation of the work layer node is calculated in combination with the task identifier and the environmental image flow;then, the responsibility trace weight is generated according to the spatio-temporal correlation and deviation of the personnel trajectory and operation record in the abnormal period;finally, the root node is selected according to the weight, multi-modal data is associated to construct a safety risk propagation tree, and multi-stage linkage precise safety management is realized.

This application discloses a method, apparatus, device, medium, and product for cognitive function assessment, relating to the fields of computer and speech processing technology. The method includes: acquiring target speech data; extracting features from the target speech data according to feature categories within a preferred subset of speech features corresponding to the target cognitive test task, obtaining a target speech feature set; inputting the target speech feature set into a cognitive function assessment model corresponding to the target cognitive test task, obtaining the cognitive function assessment result of the target test subject; wherein, by constructing a multimodal cognitive database, extracting wide-area speech features from each form of speech data in the database, and based on the wide-area speech features and corresponding cognitive function assessment results, selecting a preferred subset of speech features based on the correlation strength with cognitive function, and determining the cognitive function assessment model, machine learning and statistical methods are used. This application achieves accurate and efficient cognitive function assessment.

This application provides a CSI-RS transmission method, apparatus, and device. The method includes: receiving resource configuration information corresponding to a CSI-RS resource set sent by a base station; wherein the resource configuration information is used to indicate the CSI-RS resource set, and the CSI-RS resource set includes CSI-RS resources located in an SBFD symbol; wherein the CSI-RS resources exceed the downlink subband range of the SBFD symbol, or the CSI-RS resources are located in the downlink subband of the SBFD symbol; receiving CSI-RS sent by the base station based on the CSI-RS resources in the CSI-RS resource set, measuring the received CSI-RS, and reporting the measurement results to the base station. This solution can improve resource utilization.