11results about How to "Fix coverage issues" patented technology

The invention relates to the technical field of wireless communication, in particular to a 5G millimeter wave small base station three-sector cascade networking system, which comprises a switch and three 5G millimeter wave small base stations, and is characterized in that each base station comprises an external optical fiber port and a cascade optical fiber port; each base station covers a range of 120 degrees; the switch is sequentially connected with the three base stations through optical fibers; when the cascade optical fiber port of any base station receives the uplink flow, the base station forwards the uplink flow to the switch or other base stations through the external optical fiber port; when an external optical fiber port of any base station receives downlink flow, if the destination address of the message is the base station, the message is uploaded to an application layer for processing; and if the message destination address of the downlink flow is not the base station, forwarding the message destination address to the base station through a cascade optical fiber port. According to the technical scheme, the three 5G millimeter wave small base stations are used for cascading networking, the three-sector coverage problem is solved, the structure of the small base stations does not need to be modified, additional wiring cost does not need to be increased, deployment is flexible, and the deployment cost is low.

The utility model discloses a kind of semitrailer tarpaulin devices, comprising: semitrailer floor, the top of the semitrailer floor is fixedly connected with vertical plate, the top of the vertical plate is fixedly connected with top plate, the top of the semitrailer floor is fixedly connected with the side of head baffle;Top shielding component, the top of the head baffle is fixedly connected with the side of top shielding component, side shielding component, the side of the vertical plate is fixedly connected with the side of side shielding component, the tail shielding component is used to adopt tarpaulin shielding to the tail of semitrailer, the utility model relates to tarpaulin device technical field.The semitrailer tarpaulin device, by the setting of top shielding component, by driving motor directly driving threaded block drives the rotation axis of far end to move outward, first tarpaulin is spread over the top of entire semitrailer, and first tarpaulin is carried by multiple rotation axes, can evenly share tarpaulin quality, avoid causing equipment overload in moving process.

The present invention discloses a pea sowing device capable of evenly discharging materials. The present invention relates to the technical field of pea sowing machines, including a driving device, wherein the output end of the driving device is fixedly connected to a walking wheel, the top of the driving device is fixedly connected to an electric turntable, the top of the electric turntable is fixedly connected to an electric cylinder, and an adjusting mechanism is also included. The bottom of the adjusting mechanism is fixedly installed at the output end of the electric cylinder, and a handle is fixedly connected to the surface of the adjusting mechanism near the edge. The pea sowing device capable of evenly discharging materials can pull the adjusting plate outward to move the driving device to both sides of the seeder, increase the distance between the adjusting plate and the median plate, and then use bolts to slide into the dividing slot to lock the fixing rod, thereby solving the problem that peas are suitable for sowing on both sides of other plants to suppress weeds, while existing sowing machinery is prone to unstable sowing speed and high seed damage rate.

The invention discloses a data processing method and device based on a distributed optimistic lock, equipment and a medium, and relates to the technical field of distributed systems.The method comprises the steps that when a data writing request is received, the distributed optimistic lock is obtained from a cache; matching a request version number carried in the data writing request with an optimistic lock version number recorded by the distributed optimistic lock; if the matching is successful, updating an optimistic lock version number recorded by the distributed optimistic lock, and releasing the distributed optimistic lock after the updating is completed; and obtaining target write-in data from the data write-in request, and updating database data in the structured database and cache data in the cache according to the target write-in data. According to the method, the consistency of the cache data and the database data can be maintained.

The invention belongs to the field of catalysts, and particularly relates to a composite catalyst for degrading CVOCs as well as a preparation method and application of the composite catalyst. The novel composite catalyst for CVOCs degradation comprises a molecular sieve and MOFs arranged on the surface of the molecular sieve. According to the technical scheme, the metal oxide obtained through pyrolysis of the MOFs material is combined with the molecular sieve, rich acid sites are reserved while the high-oxygen-deficiency oxidation active component is obtained, and the problem of acid site coverage caused by excessive loading is solved.

The invention discloses a device and method suitable for MICP repairing of a curved surface crack of a PHC pipe pile, and belongs to the technical field of concrete crack repairing. Comprising a mobile platform, the mobile platform is provided with a double-liquid grouting pump, an intelligent control system, a heat preservation bacteria liquid barrel and a cementing liquid barrel, the heat preservation bacteria liquid barrel and the cementing liquid barrel are connected with the double-liquid grouting pump through pipelines, the double-liquid grouting pump is in communication connection with the intelligent control system, and a waste liquid barrel is further arranged in the mobile platform; the intelligent control system cooperates with the double-liquid grouting pump, so that the grouting time and the variety and proportion of bacterial liquid and cementing liquid can be accurately controlled, and a differentiated repair strategy is implemented according to the crack width; and the transparent plate body allows an operator to visually observe the filling of the crack, the permeation of the zeolite particles and the MICP cementing process in real time, so that the repair quality and the effect are controllable. The method has no negative influence on the environment; the required bacterial liquid and cementing liquid are relatively low in material cost, and compared with a traditional remediation method, the method has the remarkable advantages of environmental protection, economy and high efficiency.

This invention provides a multi-source fusion-based system and method for calculating peak fatigue levels in runners of up to 10,000 users. The system includes a data acquisition module, a data preprocessing and fusion module, a peak fatigue calculation module, a safety early warning and coordinated intervention module, a data security and privacy protection module, and a backup data acquisition unit. The core functionality involves collecting five-dimensional, multi-source, safety-related data on runners' physiological, exercise, environmental, individual, and subjective factors through the data acquisition module. A simplified version of non-invasive electromyography (EMG) signals is introduced to identify latent muscle fatigue. A dual-layer fusion architecture of "edge + cloud" is adopted, combined with a federated learning model, to achieve deep fusion of multi-source data while protecting runner privacy, constructing a personalized dynamic fatigue threshold model. The system calculates peak fatigue levels based on a real-time safety-oriented fatigue index, implements closed-loop intervention through a four-level graded early warning mechanism linking multiple terminals, and ensures data security through three-link redundant transmission, data anonymization and encryption. The backup acquisition unit ensures full coverage of data from up to 10,000 users.

The invention provides a data lake table concurrent writing method and device, and belongs to the technical field of computers.The method comprises the steps that writing channels are dynamically selected according to the number of active writers of a target partition; for a write-in request entering a controlled concurrent write-in channel, the version number of a current partition is obtained firstly, data is written into a temporary storage area marked with the version number and a timestamp, and then the version number is tried to be increased progressively through atomic comparison exchange operation to submit the data; if the atomic comparison exchange operation fails, triggering an automatic retry mechanism, if retry succeeds, marking the corresponding data as a mergeable state, and if retry fails, transferring the data into an asynchronous repair channel; and dynamically triggering a merging task according to the number of the temporary files and a system load index, merging data in the temporary files according to a version number sequence, and atomically updating a main data version. According to the method, the problem of data consistency of single-partition concurrent writing is solved, and automatic switching and zero manual intervention of a dynamic routing mechanism can be realized.

The invention discloses an area coverage constellation orbit optimization design method. The method comprises the steps that a plurality of target points in a target area are selected and numbered; searching regression orbits based on a genetic algorithm to obtain orbital elements of the regression orbits; calculating a time interval of a common sub-satellite point trajectory constellation; and according to the orbital elements and the time intervals of the regression orbits, obtaining the orbital elements of the common sub-satellite point trajectory constellation. According to the method, the constellation orbit design with any precision requirement is realized, and the design efficiency is improved.

The present invention relates to the field of three-dimensional construction, and in particular to a three-dimensional construction method for building scenes, the method comprising: converting the building scene into point cloud data, extracting key points and normal information of the building scene from the point cloud data; taking the key point as the center point to capture the building mapping scene, processing the building mapping scene using a Gaussian scattering function to blur details and retain the scene outline; according to the center point and ambient lighting of each building component in the building scene, and using a Gaussian scattering function to calculate the Gaussian basis element of each building component, mapping the building component in the form of Gaussian distribution through the minimum volume unit to construct a continuous three-dimensional space; using a 3D smoothing filter and a 2D Mip technology to optimize the Gaussian basis element of each building component, eliminating the distorted part of the Gaussian basis element and constructing a 3D model identical to the building scene; and using rasterization to process the Gaussian basis element of the 3D model to obtain a rendering scene. The method improves the accuracy of the building model while maintaining the rendering quality.

The application discloses a kind of real-time semantic segmentation method and system based on multi-resolution branch, it is related to graphics processing technical field.By obtaining image data, using depth multi-resolution network to carry out semantic segmentation to image data, obtain semantic segmentation feature map;Wherein, semantic segmentation process includes: to image data is carried out convolution feature extraction, obtains the spatial information and semantic information of image;Using different resolution branch network to the spatial information and semantic information of image respectively learns to obtain the feature map of each branch network;Fusion is the feature map of each branch network, obtains the final semantic segmentation feature map.The application extracts the semantic and spatial information of image from different resolution respectively, solves the problem of insufficient utilization of semantic and spatial information.The application also adds semantic enhancement module and feature fusion module, improve the effect of semantic information extraction while also solve the problem of spatial information being covered under multi-branch.