12results about How to "Fix performance issues" patented technology

The utility model belongs to encoder detection technical field discloses a kind of position adjustment function's encoder detection support, including base, base upper end is fixedly connected with pad, pad upper end is fixedly connected with receiving tube, receiving tube upper end is fixedly connected with detection mechanism. Through detection mechanism, encoder can be detected, and whether each parameter meets design requirement and actual application demand can be judged through detection, to avoid performance problems in actual application, through the cooperation of lifting assembly and rotating assembly, the height and angle of support when using can be adjusted according to demand in detection process, the function of position adjustment is realized, more detailed detection data is obtained, through the cooperation of positioning assembly and detection assembly, so that the detection support can be used for fixing different specifications of encoder and detecting, improve the practicability of detection support.

The application discloses an anti-fragmentation method for a portable flash memory device and relates to the technical field of computer storage systems and operating system kernels. The method comprises the following steps: S1, in the file system initialization stage, a hybrid granularity partition model is established, and a storage space is proportionally divided into a small cluster area and a large cluster area according to functional requirements; S2, an extended allocation bitmap management structure is constructed in the memory; S3, in response to a space allocation request, an allocation strategy is selected according to the data characteristics of the request; and S4, an allocation process in the large cluster area. According to the application, the cluster space of the flash memory device is divided into the small cluster area and the large cluster area, various requests are classified and processed based on prompt information when allocating the space, and a relaxed reuse mechanism is introduced, so that the fragmentation process of the storage space is significantly delayed, and the average bandwidth of multi-threaded writing and the space utilization are significantly improved without affecting compatibility and space utilization.

The application belongs to the technical field of computer software, and discloses a dynamic binding and analysis method and system for multi-source heterogeneous data in a low-code platform, which comprises the following steps: using a recursive path serialization algorithm, a lexical rule is disassembled into an ordered attribute access sequence, and a business field identifier is extracted based on the ordered attribute access sequence to output a listening queue with a dependency relationship; the listening queue is used as a driving basis to perform multi-dimensional layered retrieval and data aggregation operation, and an evaluation strategy is selected according to the execution result and the complexity of the reference mode, and a memory isolation cloning result is output to complete data binding and analysis processing. The application constructs a self-describing protocol with conflict avoidance capability to solve the problem that static JSON configuration cannot directly express dynamic logic in a low-code environment, and can statically extract field-level fine-grained dependencies and establish accurate responsive listening.

The application discloses a target object identification method and device, electronic equipment and storage medium. The method is executed by a target object identification terminal. The method comprises the following steps: determining standard target object features matched with standard images according to the standard images sent by at least one image collection terminal; sending the standard target object features to the image collection terminal and deleting the standard target object features; if it is determined that the to-be-identified images and the standard target object features sent by a target image collection terminal are received, performing target object identification according to the to-be-identified images and the standard target object features, and sending the target object identification result to the target image collection terminal. The application can improve the efficiency of target object identification and reduce the cost of target object identification.

This invention discloses a demand-oriented dyeing and printing strategy guidance system and method, belonging to the field of dyeing and printing engineering technology. The system includes: an environmental constraint acquisition module for acquiring the application environment constraint characteristics of the dyed and printed materials; a process analysis module for obtaining process difference parameters and their distribution; a constraint allocation module for obtaining a constraint map; and a dyeing and printing guidance module for providing guidance using dyeing and printing strategies. This application solves the technical problem in existing dyeing and printing engineering technologies where dyeing and printing design cannot accurately allocate process parameters according to the application environment, leading to a mismatch between the performance of dyed and printed materials and actual needs. It achieves the technical effect of generating accurate dyeing and printing strategies through constraint maps in dyeing and printing engineering technologies, ensuring that the performance of dyed and printed materials matches the needs of the application environment and improving resource utilization efficiency.

The application provides a database intelligent index recommendation method and system based on reinforcement learning, which comprises the following modules: (1) an initialization module; (2) an action space definition module; (3) a reward function optimization module, which selects appropriate index operations to minimize the reward function value; (4) a model training module; and (5) a deployment and optimization module. The application introduces a reward function calculation method that comprehensively considers multiple key factors such as the optimization effect and size of the index, and the reward function can more comprehensively evaluate the good and bad of an action (index operation). Compared with a single index, this multi-factor comprehensive consideration method is more in line with the complexity of the actual database performance, and is helpful to improve the accuracy and applicability of the index recommendation algorithm. The introduction of the evaluation of the index size avoids excessive consumption of system resources such as memory and disk space. Considering the resource consumption factors such as the index size in the reward function helps to avoid performance problems caused by excessively large or small index configurations, and improves the robustness and practicality of the system.

A V-Al-Ni ternary alloy material for hydrogen permeation and its preparation method are disclosed, relating to the field of hydrogen separation and purification membrane technology. The chemical composition of the alloy is V... 75 Al 10 Ni 15 The preparation method includes: cleaning, drying, and precisely batching high-purity metal raw materials; melting the batched raw materials under vacuum arc to obtain a uniform alloy ingot; wire-cutting the ingot into samples and then grinding and polishing the surface; finally, depositing a Pd catalyst layer onto the polished alloy surface. The alloy prepared by this method has a body-centered cubic structure, exhibiting both excellent resistance to hydrogen embrittlement and a high hydrogen permeability coefficient. Its hydrogen permeability at 673 K is comparable to that of a pure Pd membrane, showing broad application prospects in the field of hydrogen separation and purification.

The application relates to the technical field of transformers, and discloses an outdoor oil-immersed transformer capable of avoiding rainwater penetration, the bottom of a storage pool is fixedly connected with a fixed bottom frame, the top of the storage pool is sleeved with and slidably connected with a drying device, the top of the drying device is fixedly connected with a waterproof shell, the inner wall bottom of the storage pool is fixedly connected with a fixed pipe, the side of the fixed pipe is sleeved with and fixedly connected with a magnetic sheet rack, the side of a lead-out pipe is fixedly connected with a rotating device, the top of the lead-out pipe is fixedly connected with an exhaust device, the top center position of a sliding top shell is fixedly connected with an adjusting device, the rotating device is arranged below a power receiving ring, the sliding top shell is sleeved with the side of the storage pool and slidably connected with the storage pool, and the top of the exhaust device is fixedly connected with the inner wall top of the waterproof shell, the outdoor oil-immersed transformer capable of avoiding rainwater penetration can actively remove water and perform internal breathing.

This invention provides a method, apparatus, computer device, and storage medium for robot navigation, belonging to the field of robot navigation. The method includes: real-time acquisition of the target distance between the robot and its destination position, and the obstacle distance to the nearest obstacle; constructing two algorithms to control the robot's discrete and continuous actions respectively; determining the attractive and repulsive potential fields respectively, and constructing an artificial potential field based on the attractive and repulsive potential fields; combining the two algorithms to construct a unified navigation model based on the artificial potential field; determining the robot's potential energy change based on the artificial potential field, using the potential energy change of the robot at each step as a reward function to guide the robot to move in the direction of decreasing potential energy; and determining that the robot has completed navigation when the target distance is less than a preset threshold. Thus, this discrete-continuous action hybrid control mode can adapt to complex environments and provide the robot with a precise navigation path.

This invention discloses a lightweight single-image super-resolution method based on attention sharing and information distillation. The method includes: acquiring a low-resolution image to be processed; inputting the low-resolution image into a pre-trained super-resolution model to obtain a high-resolution image output by the super-resolution model; wherein the super-resolution model is obtained by training a pre-constructed deep learning network using a sample dataset; the sample dataset includes clear and blurred image pairs obtained by preprocessing the acquired original image data; and the deep learning network includes a shallow feature extraction module, an information distillation block stacking module, and an upsampling reconstruction module. This achieves lightweight image reconstruction.

The application provides a ring gate nanosheet field effect transistor and a manufacturing method thereof, and comprises the following steps: providing a basic device structure, wherein the basic device structure comprises a fin stack structure and a gate structure on a substrate, the fin stack structure comprises silicon germanium layers and silicon layers alternately formed from bottom to top, and the gate structure covers the top and sidewall of part of the fin stack structure; at least removing part of the silicon germanium layers which are not covered by the gate structure; forming an insulating layer to fill the gap generated after the silicon germanium layers are removed; taking the gate structure as a mask, etching the silicon layers and the insulating layer in sequence, and reserving the bottommost insulating layer; and epitaxially growing source and drain electrodes. By replacing the silicon germanium layers in the fin stack structure used for growing the source and drain electrodes with the insulating layer and reserving the bottommost insulating layer, the silicon layers are isolated from the substrate silicon due to the insulating layer, so that the formation of a parasitic channel is effectively avoided when the source and drain electrodes are epitaxially grown, and the problem of how to eliminate the parasitic path of the ring gate nanosheet field effect transistor to improve the device performance is solved.

The application relates to a web-based data rendering optimization method and device, wherein the method comprises the following steps: obtaining original data needing rendering; judging whether the data item height of the original data is fixed; if the data item height is fixed, initially rendering the original data to an interface; when a parent container is scrolled, updating the rendering of the original data to the interface; if the data item height is not fixed, initially rendering the original data to the interface; and when the parent container is scrolled, updating the rendering of the original data to the interface. According to the application, a web developer only needs to input a large amount of data needing rendering, and the data can be high-performance rendered to a web interface.