52 results about "Tree pattern" patented technology

The invention relates to the technical field of phase change heat storage, in particular to a test method of a composite nanoparticle latent heat system based on a Fibonacci fractal tree-shaped fin. The test method comprises the following steps: firstly, establishing a physical model of a nanoparticle three-sleeve vertical latent heat system based on the Fibonacci fractal tree-shaped fin; secondly, performing two-dimensional simulation analysis on the physical model by adopting a two-dimensional model, simulating the melting and solidification process of the PCM, analyzing the heat transfer performance and energy storage efficiency of the system, building an experimental device of a nano-particle three-sleeve vertical latent heat system based on the Fibonacci fractal tree-shaped fins, selecting proper PCM and nano-particles, simulating different working conditions, and establishing a three-sleeve vertical latent heat system based on the nano-particle three-sleeve vertical latent heat system based on the Fibonacci fractal tree-shaped fins. And finally, comparing a simulation result with an experimental result, adjusting parameters of a simulation model, improving the accuracy of the simulation result, analyzing the influence of different fin bifurcation angles, nanoparticle types, wall surface temperatures and fin materials on the heat transfer performance and energy storage efficiency of the system, and providing guidance for optimal design of the system.

The invention discloses a mechanical structure reliability evaluation method based on a hybrid R-Vine Copula model, and the method comprises the steps: firstly, selecting an optimal R-Vine tree type according to sample data by employing an AIC criterion and the basic definition of an R-Vine tree type, employing a hybrid Pair-Copula function for the first layer of R-Vine tree type to improve the sample adaptability, employing Clayton, Gumbel and Frank Copula functions to construct a hybrid Copula function, and employing a Pair-Copula function to construct a Copula model; calculating a weight coefficient and a dependent parameter of the mixed Pair-Copula function by using an expectation maximization algorithm; a subsequent tree type is constructed by adopting a single Pair-Copula function, so that the optimal balance between the calculation efficiency and the calculation precision is achieved, and the optimal construction based on the mixed R-Vine Copula model is completed; and finally, solving the reliability index and the failure probability of the structure based on a mixed R-Vine Copula model in combination with an improved first-order second-order moment method.

The invention relates to a multiplier based on radix-4Booth coding and an improved Wallace compression tree, and the multiplier comprises a partial product generation module which recodes an input multiplier into a plurality of partial products through employing a Radix-4Booth algorithm, and forms a compact partial product array; the partial product compression module is used for quickly compressing the partial product through two compressors by utilizing an improved Wallace tree compression structure, and reducing the calculation path delay; and the final summation module is used for summing the compressed partial product by using a high-speed summator to obtain a final multiplication result. According to the invention, a radix-4Booth coding algorithm is adopted, so that a partial product array is regularly arranged, the circuit area is reduced, a new tree type compression structure in which a 3-2 compressor and a 4-2 compressor are mixed is adopted to realize a Wallace tree, the compression efficiency is improved, and the key delay is reduced.

The invention discloses a fresh tea leaf sorting method based on a frequency domain tree topology network, computer equipment and a storage medium. The method covers the complete process of image acquisition, preprocessing, frequency domain decomposition, deep modeling, map construction and classification. Firstly, image quality is improved through color normalization and edge enhancement, and frequency domain tree decomposition is carried out through wavelet transform and discrete cosine transform to extract multi-scale features. And then, fusing long and short range dependent modeling and a residual convolution module to realize multi-level feature representation, and constructing a tree topology attention path and a structure map for simulating a bud-leaf-vein relationship to enhance semantic understanding. A tree structure is adopted to perceive a classification function, and fine-grained classification of single bud, one bud and one leaf, one bud and two leaves and one bud and multiple leaves is achieved. In training, the robustness of the model is improved by combining cross entropy loss, data enhancement and a regularization strategy. The method is high in classification accuracy and good in stability on a plurality of tea image data sets, and the practical level of automatic fresh tea leaf sorting is effectively improved.

The invention relates to a paging request and preloading combined tree data rendering method, which belongs to the field of data processing systems, and comprises the following steps of: initially loading and only rendering top layer node information of the outermost layer; when a next-level node request of a user is received, rolling along with the user or clicking an expansion node, and then loading and rendering corresponding deep-level sub-node data; monitoring the crossing degree of the tree node and the visual parent container, judging whether a next paging request is triggered or not, and realizing preloading of the tree node in combination with the microtask queue; gradually rendering a corresponding number of tree-shaped DOM nodes until a preset maximum number of DOM nodes is reached, and calculating and updating a node list to be rendered; corresponding DOM nodes are searched and taken out from WeakMap cache objects according to the filtered data sources, and after a relation structure is assembled, rendering is conducted, and a new tree is constructed. According to the method, the tree data is requested to be rendered in batches in a paging request mode, and the interface response speed and the rendering speed of an initialized tree interface are increased.

The invention discloses a multi-mode complex event detection and optimization method for semi-structured data, and relates to the field of data stream processing. According to the method, mode matching of the semi-structured data is realized by using a multi-mode normal tree. In order to enable a regular tree mode to be matched with a semi-structured data stream, the patent adopts a method of disassembling the regular tree mode into two parts, namely a tree mode and a regular mode, and realizing matching step by step. The tree mode designs a node relationship in which a user is interested into a logic tree, and a TwigList algorithm is used for matching data meeting conditions in a data stream and storing the data. The regular pattern defines a behavior sequence in which a user is interested, and state transition is realized by using NFA. And carrying out NFA processing on the data stream which is successfully matched with the tree pattern to obtain a final result.

The utility model belongs to the field of modularized child furniture, and discloses a modularized tree-shaped multifunctional child bookshelf which comprises a first main rod plate (1) and a second main rod plate (2), a first slot (101) with a downward opening is formed in the middle of the first main rod plate (1), a second slot (201) with an upward opening is formed in the middle of the second main rod plate (2), and the first slot (101) and the second slot (201) are connected in an inserted mode. Supporting tables (102) corresponding to each other are arranged on the first main rod plate (1) and the second main rod plate (2), and a plurality of groups of inserting plates (3) are inserted into the supporting tables (102); according to the child bookshelf, the defects of an existing child bookshelf in the aspects of safety, interactivity and disassembly and assembly convenience are overcome, and a safe and interesting child reading environment is created by optimizing the safety, enhancing the interactivity and improving the disassembly and assembly convenience.

The application discloses a performance testing method and device of a graphics processor, equipment, a storage medium and a program product, relates to the technical field of testing, sets the graphics processor as a tree type data transmission mode of multiple levels, respectively collects first test information of transmitting first test data from a root node to a leaf node and second test information of transmitting second test data from the leaf node to the root node, and generates a performance test result of the graphics processor according to the first test information and the second test information, thereby reducing the difficulty of performance testing of the graphics processor, solving the technical problem of difficulty increase of performance testing, and achieving the technical effect of reducing the difficulty of performance testing.

According to the plastic multi-span greenhouse wild jujube early-maturing-promoting cultivation method, a planting layer with the thickness being 40 cm or above is adopted, the soil salt content is controlled to be smaller than 0.3%, the pH value is controlled to be 7.5-8.0, in the first year, 3000 kg / mu of organic fertilizer is applied to improve soil, and the seedling survival rate is increased. The method comprises the following steps: carrying out drip irrigation twice within 48 hours, growing seedlings with 2-4 needle leaves, fertilizing every 10 days in the growing season to the middle ten days of August, and combining a tree form regulation and control technology in the second year to solve the problem of'small old trees', so that the tree body reaches the standard of a high-quality fruiting tree form. In a flower and fruit management link, monopotassium phosphate and an amino acid foliar fertilizer are sprayed in a squaring stage, and a compound pollination agent is used when 60% of flowers bloom, so that the natural pollination rate is increased. In the aspect of water and fertilizer synergy, precise irrigation is carried out 8-12 times in the third year, fertilization is carried out according to the proportion of 25-35 kg / mu of urea, 20-30 kg / mu of monoammonium phosphate and 30-40 kg / mu of potassium sulfate, and the fertilizer utilization rate is increased. By integrating the measures, the high-quality fruit rate of the wild jujube is greatly improved.

1. The name of this design product: Doll (virtual IP design of a yellow kesi silk round fan with a phoenix perched on a phoenix tree pattern). 2. Purpose of this design product: a doll. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the key points of the design: main view.

Data associated with a plurality of transactions is accessed. Based on the data, a first tree-based machine learning model (e.g., a gradient boosted tree-based model) is generated that contains a plurality of first nodes and a plurality of first branches interconnecting the plurality of first nodes. A first rule is extracted from the first tree-based machine learning model. The data is adjusted after the first rule has been extracted. Based on the adjusted data, a second tree-based machine learning model (e.g., a gradient boosted tree-based model) is generated that contains a plurality of second nodes and a plurality of second branches interconnecting the plurality of second nodes. A second rule is extracted from the second tree-based machine learning model. The second rule and the first rule have a correlation below a specified threshold, for example, at or close to zero.

The invention belongs to the technical field of cable insulation monitoring, and provides a cable insulation online monitoring method based on a tree topology structure, which comprises the following steps: constructing a tree structure comprising a trunk cable and a plurality of branch cables, the trunk cable serving as a root node of the tree structure, the branch cables serving as sub-nodes, and the branch cables serving as sub-nodes; each branch cable is connected with one or more cables as grandson nodes; installing a sensor on each cable node; all the sensors are connected to a central monitoring unit through a communication network to form a complete tree topology structure monitoring network; the central monitoring unit serves as the core of data processing and control, and adopts a convolutional neural network to process and analyze electrical parameter data collected from the sensors so as to identify the change trend of the insulation state of the cable. According to the method, diagnosis and early warning of extremely early hidden dangers of cable insulation faults are realized, and accidents such as line tripping and fire disasters caused by faults caused by insulation problems are avoided.

The embodiment of the invention provides a method for generating a tree structure. The method comprises the steps that the incidence relation among a plurality of nodes is obtained, the nodes comprise data primitive nodes and multi-level sub-nodes, the data primitive nodes are used for representing primitive tasks, and the multi-level sub-nodes are used for representing multi-level sub-tasks under the primitive tasks; traversing the plurality of nodes according to the incidence relation, respectively configuring a coordinate for the plurality of nodes, and determining a tree structure according to the coordinates of the plurality of nodes; and displaying the tree-shaped structure. According to the embodiment of the invention, the relationship between the tasks can be clearly displayed through the tree structure; the tree structure clearly shows the mutual cooperation relationship and cooperation degree among the departments; the development trend of things can be intuitively known; the tree structure displays the advantages of the association relationship in the aspect of production efficiency, when one part changes, the influence on the other part associated with the part can be seen, and the production efficiency is greatly improved; and when a problem occurs, the problem can be quickly positioned.

The application discloses a reservoir tree type horizontal pipe hydraulic self-control low-water-level high-efficiency desilting system and relates to the technical field of reservoir desilting. The reservoir tree type horizontal pipe hydraulic self-control low-water-level high-efficiency desilting system comprises a sand-pulling component and a water pressure automatic opening and closing component, the water pressure automatic opening and closing component is arranged in the sand-pulling component, the sand-pulling component comprises high-density polyethylene pipes, the high-density polyethylene pipes are provided in multiple numbers, the multiple high-density polyethylene pipes are all provided with openings, and the openings are connected with the water pressure automatic opening and closing component. The reservoir tree type horizontal pipe hydraulic self-control low-water-level high-efficiency desilting system is used to utilize the characteristics of large flow rate and strong sand-carrying capacity of water flow under a low water head. When the water head is 50 cm, the water pressure automatic opening and closing device is automatically opened, when the water volume is gradually reduced from the tail of the reservoir to the head of the reservoir to no water, the water pressure automatic opening and closing device is closed or automatically closed when the water head is greater than 50 cm. Under the premise that manual operation is not needed, the water pressure is used to drive the cover plate and the telescopic rod to be linked, and the automatic opening and closing of the opening is realized.

1. Name of the designed product: Fruit tray (palm tree pattern). 2. Use of the designed product: for placing fruits or other food. 3. Design points of the designed product: in the combination of shape and pattern. 4. Picture or photo best indicating the design points: perspective view 1.

1. Name of the Design Product: Landscape Lamp (New Chinese Style Tree Pattern). 2. Use of the Design Product: For outdoor landscape lighting. 3. Design Key Points of the Design Product: The combination of shape and pattern. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective view.

The invention discloses a fruit tree pesticide spraying unmanned aerial vehicle with an adjustable spraying rod and a multi-angle spraying head, and belongs to the technical field of unmanned aerial vehicles, and the fruit tree pesticide spraying unmanned aerial vehicle comprises an unmanned aerial vehicle body, a pesticide box, an adjustable spraying rod assembly and a multi-angle spraying head assembly. The unmanned aerial vehicle body is provided with a flight attitude sensor. A pesticide concentration sensor is arranged in the pesticide box. An adjusting rod of the adjustable spraying rod assembly rotates through a rotating joint, and a memory alloy driving unit is adopted to automatically compensate for position deviation caused by flight attitude changes. A spray head seat of the multi-angle spray head assembly can rotate horizontally, three-dimensional angle adjustment of a spray head is achieved through a universal joint, and the micro-fluidic chip dynamically controls liquid spraying pressure according to pesticide concentration. The system can automatically plan an optimal pesticide spraying path in combination with fruit tree canopy information acquired by an image acquisition device, and precise and intelligent pesticide spraying is realized. The pesticide utilization rate and the covering uniformity are remarkably improved, and the device is suitable for fruit tree plant protection operation of different tree types and terrains.

1. The name of the design product: flowerpot (tree pattern pot). 2. The use of the design product: for planting plants. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best shows the design points: perspective view 1.

The invention relates to the field of data visualization, and discloses a tree structure data display method and device, electronic equipment and a storage medium, the display method comprises the following steps: in response to a first trigger instruction for a target leaf node, determining whether to update initial tree structure data according to attributes of the target leaf node and corresponding display data; the initial tree structure data is local structure data obtained by cutting complete tree structure data; if the attribute of the target leaf node is a preset attribute and the corresponding display data is not empty, determining to update the initial tree structure data; wherein the preset attributes are attributes representing that the nodes correspondingly load the details of the data displayed by the nodes. According to the method, only part of nodes are loaded in the initial stage, and the non-leaf nodes are expanded as required subsequently, so that the front-end rendering pressure is effectively reduced, the system performance and the interaction fluency are improved, and efficient, controllable and extensible visual display of the complex tree data is realized.

The invention discloses an asymmetric topological password generation method and device based on tree grids and a medium, and relates to the technical field of information encryption. Obtaining a plurality of mutually different trees generated by a Chinese character graph to be encrypted or others; forming a tree graph network block base or a full-colored tree graph network block base by a plurality of different trees, and performing merging operation on the plurality of different trees to determine a tree graph grid; the merging operation is non-repeated edge vertex coincidence operation or edge connection operation, then obtaining a full-colored topological coding matrix of the tree-shaped graph lattice, and generating an asymmetric topological password according to the full-colored topological coding matrix. According to the method, the asymmetric topological password capable of resisting quantum computing and intelligent attack can be generated.

The present invention discloses a tree-grain column forming machine, which includes a hoisting frame and an operating platform for hoisting workpieces. The hoisting frame is arranged above the operating platform, and a mobile frame is slidably installed on the hoisting frame along the workpiece transportation direction; hooks are arranged on both sides of the mobile frame along the workpiece transportation direction, and the hooks are used to hang on both sides of the workpiece along its own transportation direction, and a winding piece for winding the hooks is installed on the hoisting frame; an upper mold and a lower mold are arranged on the operating platform, and a working cavity for placing the workpiece is formed between the upper mold and the lower mold, and the inner walls of the upper mold and the lower mold at the working cavity are both provided with tree-shaped patterns; a vacuum manufacturing component for vacuuming the working cavity is also installed on the operating platform. The present application has the effect of facilitating workers to carry workpieces, improving production efficiency, and reducing production costs.

1. Name of the product in this design: Fabric (Silison • Brocade Phoenix Flower Tree Pattern). 2. Intended use of this design: for textile products. 3. The key design feature of this product is its pattern. 4. The image or photograph that best illustrates the design's key features: the front view. 5. This design is a two-dimensional product, so the left view, right view, top view, and bottom view are omitted; the rear view is symmetrical to the front view, so the rear view is omitted. 6. This design is a planar product with continuous four sides and no defined boundaries.

1. Name of the designed product: tea strainer (handle with tree pattern and oil cover). 2. Use of the designed product: filter screen. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo best showing the design points: perspective view.

The invention discloses a register-sensitive instruction selecting and sorting method based on tree pattern matching, which is used for performing expression tree construction and optimization on instructions in a control flow diagram, and selecting and sorting the instructions in combination with a Sethi-Ullman algorithm and an iburg instruction selector. According to the method, the expression tree of the instruction is merged and optimized, so that the pressure of a register is reduced, the instruction selection and sorting efficiency is improved, and the execution performance of a program is optimized. Compared with the prior art, the method has the advantages that register resources can be utilized more effectively, register conflicts in the instruction selection and sorting process are reduced, and the execution efficiency and performance of a program are improved.

1. Name of the designed product: lacquerware (tree pattern). 2. Use of the designed product: for ornaments. 3. Design points of the designed product: in shape, pattern and their combination. 4. Picture or photo best indicating the design points: perspective view.

The invention provides application of PtWOX11 in regulating and controlling leaf stalk characters and / or branching characters of poplar, and belongs to the technical field of genetic engineering breeding. The invention provides application of PtWOX11 in regulation and control of leaf stalk characters and / or branching characters of poplar trees. The overexpression of PtWOX11 can shorten the petiole of the poplar, reduce the angle between the petiole and the stem, reduce the angle between the lateral branch and the main stem, and integrally form a compact tree (narrow crown). The shrunk tree type can increase the number of trees planted in the forest land in unit area, and the wood yield in unit area is directly increased. On the other hand, the function inhibition type PtWOX11 SRDX for knocking out or knocking down the PtWOX11 or overexpressing the PtWOX11 can prolong the petiole of the poplar, increase the angle between the petiole and the stem and increase the angles of the lateral branches and the main stem, and a divergent tree type (wide crown) is integrally formed. The divergent tree has scattered branches and leaves, is suitable for serving as a street tree and is used for shading and shielding rain.

The invention discloses an adjustable tree-shaped resonator for multi-frequency vibration and noise reduction, which comprises a trunk support, a plurality of adjusting inner cavities are arranged in the trunk support, an adjusting gear is arranged in the center of each adjusting inner cavity, each adjusting gear comprises an outer tooth, a fixed shaft hole and a key slot, and the trunk support is correspondingly provided with a key slot through hole. Branch cantilever structures of the same structure are arranged on the upper portion and the lower portion of the adjusting gear respectively, each branch cantilever structure comprises a cantilever beam and a rack, the racks are meshed with the adjusting gear, the two branch cantilever structures move in the opposite directions under rotation of the adjusting gear, first extending holes are formed in the corresponding extending positions of the trunk support, and the extending lengths are consistent. Adjusting rotating rods corresponding to the adjusting gears are arranged on the trunk support and inserted from the front face of the trunk support to drive the adjusting gears. The extension length of each group of branch cantilever structures is changed by rotating the adjusting knob and the adjusting gear, so that the first-order inherent frequency and vibration mode of each group of branch cantilever structures are adjusted.

1. The name of the product of this design: lunch box (Japanese tree pattern). 2. Purpose of this product: used to store warm food. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The present invention discloses a fruit tree spraying drone with an adjustable spray boom and a multi-angle nozzle, which belongs to the technical field of drones and comprises a drone body, a medicine box, an adjustable spray boom assembly and a multi-angle nozzle assembly. The drone body is equipped with a flight attitude sensor, and the medicine box has a built-in pesticide concentration sensor. The adjustment rod of the adjustable spray boom assembly is rotated by a rotary joint, and a memory alloy drive unit is used to automatically compensate for position deviations caused by changes in flight attitude. The nozzle seat of the multi-angle nozzle assembly can be rotated horizontally, and the nozzle can achieve three-dimensional angle adjustment through a universal joint. The microfluidic chip dynamically controls the spray pressure according to the pesticide concentration. Combined with the fruit tree canopy information obtained by the image acquisition device, the system can automatically plan the optimal spraying path to achieve precise and intelligent spraying of pesticides. The present invention significantly improves the utilization rate and coverage uniformity of pesticides, and is suitable for fruit tree plant protection operations with different tree types and terrains.

The application discloses a kind of based on network data snapshot visual tree layout method, belong to data visualization technical field, including the following steps: obtaining the tree structure data of network data default snapshot;According to tree structure data, the total row number, total column number, the row number and length of non-leaf node, the position of leaf node of visual tree are calculated;According to the tree structure data obtained in S1 and the data calculated in S2, the position of non-leaf node of visual tree is calculated;According to the position data of leaf node in S2 and the position data of non-leaf node in S3, tree type visual view is drawn, the tree structure data of network data default snapshot is traversed in the application, and the length, row number and column number of leaf node and non-leaf node are calculated, the position of leaf node and non-leaf node is obtained, and compact, symmetrical, non-overlapping visual tree can be generated layout, can be more intuitive and in-depth to understand data, quickly discover and mine effective information, greatly improve work efficiency.