58results about How to "Avoid difficulties" patented technology

This invention discloses a multi-output residual ensemble weather forecasting method for global applications, primarily addressing the problem that the accuracy of mainstream AI-based weather forecasting models declines significantly with increasing forecast time steps. The method includes the following steps: S1, establishing a multi-output residual ensemble weather forecasting model, which includes a naive method module, a visual converter, a linear decoder, m residual modules, an ensemble module, and an adder; S2, inputting weather images into the naive method module, the visual converter, and the residual modules; S3, integrating and constraining the residual blocks in the ensemble module, outputting the integrated residuals; S4, outputting the final weather forecast result. This invention better suits the characteristics of weather data and can better handle heterogeneous integrated data, thereby improving the accuracy of short- and medium-term weather forecasts.

The invention discloses an electronic manufacturing industry production line UPH intelligent prediction method, system, device and medium, and the method can learn a deep interaction relationship between a line body and a product through adversarial training through a generator of a collaborative filtering generative adversarial network, so that even if a new product lacks enough historical data, the production line can be predicted more accurately. The generator can also find a mode similar to other line bodies in a potential space and generate a relatively reasonable UPH, and for an old product with a theoretical UPH and an actual UPH, the relatively reasonable UPH can be generated only by correspondingly inputting a current line body feature vector and the theoretical UPH of the product in the corresponding line body; according to the method, the difficulty that in the initial production stage of a new product, due to lack of reference bases, UPH can be generally formulated only according to the same industry standard or the average yield per hour of the production line can be solved; and meanwhile, the problem of UPH updating hysteresis caused by personnel or equipment can be solved.

This invention relates to the field of cooperative control technology, specifically to an adaptive event-triggered fixed-time consistency control method for multi-agent systems, comprising the following steps: S1, constructing a mathematical model of a nonlinear high-order multi-agent system with uncertain dynamics; S2, constructing a Lyapunov function containing a lower bound of uncertain parameters based on coordinate transformation; S3, designing an adaptive event-triggered controller with a positive bounded function using a backstepping control method, including a virtual controller, an adaptive law, and an event triggering mechanism; S4, proving through stability analysis that a high-order nonlinear multi-agent system with uncertain dynamics can achieve consistent output at a fixed time and avoid Zeno behavior. This invention's adaptive event-triggered fixed-time consistency control method for multi-agent systems solves the problem of consistent output at a fixed time for a class of high-order nonlinear multi-agent systems and extends existing results on consistent output at a fixed time.

The application provides a downhole supercritical carbon dioxide fracturing coal rock device and a construction method, which comprises a coal seam, a fracturing borehole, a hole blocking section, a hole sealing section, a fracturing section, a monitoring hole, a fracturing system, a temperature control system, a grouting system, a liquid carbon dioxide pressurizing system, a proppant mixing system, an extraction system and a data collector; the fracturing borehole is arranged on the coal seam and comprises the hole blocking section, the hole sealing section and the fracturing section; a plurality of monitoring holes are arranged on the coal seam and are spaced apart in the circumferential direction of the fracturing borehole; and the fracturing system is connected with the temperature control system. The proppant mixing system can improve the performance of the liquid carbon dioxide carrying proppant mixture, so that the proppant mixture effectively enters the fracturing fracture and maintains good flow conductivity. The temperature control system overcomes the difficulty in preparation of downhole supercritical carbon dioxide and can realize injection of carbon dioxide in a supercritical state into the fracturing coal seam.

The utility model discloses a kind of textile printing and dyeing waste liquid recovery treatment device, including processing tank, further include: rotary electrolysis component, rotary electrolysis component includes electricity column, pivot is installed in the side of electricity column;Electricity column side is connected and is installed with support, the side of support is provided with first electric pole, the other side of first electric pole is provided with second electric pole, electrolytic plate is fixedly installed between first electric pole and second electric pole, the surface of electrolytic plate is provided with sieve hole array.This utility model is provided with rotary electrolysis component, this component is by using point explanation flocculation mode to make the impurity in waste liquid gather on the surface of sieve hole by flocculation mode, since using is point explanation mode, make the efficiency of cleaning greatly improve.Since flocculating material is directly adsorbed on the surface of sieve hole, subsequent cleaning mode is also very simple, direct flushing can realize cleaning.Avoid the difficulty of replacing filter element in prior art, thus having advanced nature.

The application discloses a kind of lithium battery gradual fault detection and evaluation method, device, equipment and storage medium, the method includes: according to the end voltage and median end voltage of each battery monomer in lithium ion battery pack, corresponding difference voltage curve and median difference voltage curve are generated;For each battery monomer, the Mahalanobis distance between corresponding difference voltage curve and median difference voltage curve is calculated, when Mahalanobis distance is greater than the preset threshold value, determine that the battery monomer occurs micro short circuit fault;When the first discharge and charge cycle of the first discharge and charge cycle and the second discharge and charge cycle are carried out on the battery monomer twice adjacent, the first charge voltage curve and the second charge voltage curve of the second discharge and charge cycle are obtained, the micro short circuit current and micro short circuit resistance of the battery monomer are calculated, and the fault degree of the lithium ion battery pack is evaluated.The detection accuracy of lithium battery gradual fault and the evaluation efficiency of fault degree can be improved by the application.

The utility model relates to the technical field of resistance furnace devices, and discloses a high-temperature box-type resistance furnace with a waste heat recovery function, which is characterized in that the front side of a furnace body assembly is fixedly provided with a convenient door opening and closing assembly, and the top of the furnace body assembly is fixedly provided with a hot gas collecting and filtering assembly; the tail end of the hot gas collecting and filtering assembly is fixedly provided with a recycling conduction assembly, and the tail end of the recycling conduction assembly is connected to the bottom of the furnace body assembly. According to the waste heat recovery device, the recovery conduction assembly is installed on the waste heat recovery device, so that when the waste heat recovery device is used, recovered waste heat can be converted through the arranged recovery conduction assembly and conducted to the interior of the furnace body, and therefore recovered smoke heat can be transmitted to air or other media around the furnace body; therefore, the media are preheated, the preheated air or media can be used for other technological processes or enter the resistance furnace again to participate in the combustion or heating process, the energy utilization efficiency is improved, and energy consumption is reduced.

The utility model discloses a kind of permanent magnet swing sorting blanking devices, it is related to magnetic latching relay component automatic production equipment field, solve the low efficiency of sorting after permanent magnet swing production and other defects.It blanking mechanism includes blanking material channel, the import of blanking material channel is directly opposite the blanking target position of clamping mechanism;Blanking material channel is provided with distinguishing mechanism;Distinguishing mechanism includes fixed longitudinal baffle and moving baffle, moving baffle includes barrier part, switching part and pivot, in first state, switching part is in vertical position, barrier part is in horizontal position;In second state, switching part is driven to rotate to horizontal position, while barrier part rotates to vertical position.Realized that permanent magnet swing is efficiently transferred from discharge position to corresponding collection area, so that different models of permanent magnet swing can directly fall into respective corresponding collection area, not only rough division is carried out through blanking material channel in space, more through variable physical block in blanking instant, provide accurate guiding blanking passage for permanent magnet swing sorting.

The invention discloses an automatic element drying device. An automatic element drying device comprises a host case, and the upper portion of the host case is connected with a drying box through an angle adjusting mechanism; the dewatering unit comprises six spin-drying filter cartridges which are rotatably mounted in the drying box and a rotary driving mechanism; the drainage unit comprises a drainage connector installed at the lowest position of the bottom of the drying box, and the drainage connector is connected with the water collecting barrel through a drainage pipeline; the air supply unit comprises a fan, and an air outlet of the fan is in butt joint with the air outlet hose; the drying device further comprises a hot air unit, the hot air unit comprises an air supply pipe row in butt joint with the air outlet hose, the air supply pipe row is in butt joint with branch pipelines matched with the drying filter cartridges in number, the branch pipelines are sequentially provided with connecting pipes, hot air guns, heat preservation pipes and air nozzles which are sequentially connected in the flow guide direction, and air volume adjusting valves are installed on the heat preservation pipes. According to the invention, integration of dehydration and drying is realized.

The utility model discloses a kind of anti-loosening wiring terminal, including wiring terminal main body, the both ends of wiring terminal main body are provided with wiring slot, and anti-loosening structure is set above wiring slot;Connector, the connector is provided with connecting wire, and connector is inserted into wiring slot by guiding structure setting, and connecting head is fixed by anti-loosening structure, prevent it from loosening in wiring slot, and then realize the wiring processing of connecting wire and connecting wire.The utility model is set above wiring slot of wiring terminal main body by anti-loosening structure, in combination with movable block and locking rod, ensure that connector can be firmly fixed in wiring slot after insertion, prevent it from loosening due to vibration or pulling, effectively improve the reliability of wiring.

The utility model relates to the technical field of railway container shipping, and particularly discloses a railway container yard train and container positioning identification system which comprises induction magnetic steel, train electronic tags, train number identification units, container number identification units, laser range finders and electronic equipment. The train number identification unit is used for storing train information, the induction magnetic steel is arranged at the initial position of a freight yard loading and unloading line and used for generating a train entering signal based on the condition that a train enters a freight yard, and the train number identification unit is used for starting according to the train entering signal, reading a train electronic tag of the train entering the freight yard, obtaining the train information and sending the train information to the freight yard loading and unloading line. The laser range finder is arranged at the final position of the freight yard loading and unloading line and used for obtaining distance information of a train entering a freight yard, the electronic equipment is used for positioning a container loaded by the train entering the freight yard according to the train information and the distance information, and a basis is provided for automatic loading and unloading of the train.

The invention discloses a full-process simulation and blasting pressure prediction method for a weak-rigidity core mold composite material shell, and belongs to the technical field of solid rocket engine integrated explosive forming shell design. The method comprises the following steps: designing an equal residual stress tension system based on a fiber winding layer stress theory; constructing a finite element model in the shell winding process, iteratively optimizing a tension system and determining a stress field and a strain field after winding; taking the stress field and the strain field as predefined fields, constructing a finite element model in the curing process, and calculating the stress field and the strain field after curing; and based on the stress field and the strain field after curing, progressive damage analysis is realized through a three-dimensional Hashin criterion, and the maximum blasting pressure of the shell with the powder is predicted. The problems that in the prior art, a tension system lacks collaborative optimization, simulation cannot cover the whole process, and blasting prediction deviation is large are solved, precise coupling prediction of the process and performance is achieved, and theoretical support is provided for optimization of the integrated forming process.

The present application relates to a method for detecting a site edited by a base editor on a nucleic acid, and a kit for carrying out the method. The present application also relates to a method for detecting editing efficiency or off-target effect of a base editor editing a nucleic acid.

The application discloses a kind of dynamic spatio-temporal graph learning microservice exception detection methods for multi-modal data, which comprises: collecting data information from the microservice system to be detected and inputting into computer system and carrying out data preprocessing, obtaining multi-modal data;The multi-modal data is processed based on the sliding window mechanism, and a dynamic dependency graph sequence is constructed;Based on dynamic dependency graph sequence, spatial relationship modeling and time series dynamic evolution modeling are performed, a representation integrating time series information is generated, and a graph-level representation vector containing complete spatio-temporal context is generated;The graph-level representation vector is input into a deep vector data description anomaly detection model based on contrast learning, and the detection result is output.The microservice exception detection based on multi-modal dynamic spatio-temporal graph learning and contrast enhancement SVDD of the application explicitly captures the dynamic evolution characteristics of microservice topology structure, and realizes the deep fusion of spatio-temporal coupling characteristics, while suppressing the decision boundary ambiguity problem in unsupervised detection.

This invention relates to the field of artificial intelligence security and discloses a method for generating adversarial examples for voiceprint recognition. It integrates multiple existing voiceprint recognition models to generate a substitute model to replace the target black-box voiceprint recognition model. Adversarial examples are generated by attacking the substitute model, thereby attacking the target black-box model. This overcomes the difficulty of obtaining model information from a black-box model and improves the low success rate of attacks. In generating adversarial examples, a Nesterov-based accelerated gradient method is used, which can find adversarial examples with better attack effects more quickly. During the generation of adversarial examples, the target black-box model is queried a small number of times to correct the direction of adversarial example generation, thus improving the success rate of the attack.

The application provides a geotextile mat with electroosmosis function, and belongs to the technical field of geotextile mats.The application comprises a fixing rod arranged on a geotextile mat body;an electrode arranged on the geotextile mat body and fixed on the fixing rod, used for providing the geotextile mat with electroosmosis function, and also used for acting as a keel of the geotextile mat to limit deformation of the geotextile mat; a data collector arranged on the geotextile mat body, used for measuring tailing pressure and water content and transmitting to a power supply collecting device; and a potential measuring needle arranged on the data collector, used for measuring current and voltage between tailings and transmitting to the power supply collecting device.The application has the electroosmosis function by arranging the electrode and the data collector on the traditional geotextile mat and cooperating with the power supply collecting device, and can adjust the drainage intensity according to actual conditions, so that the monitoring-drainage integration is realized.

The utility model relates to the technical field of automobile maintenance, in particular to an automobile door paint spraying support. According to the technical scheme, the device comprises a roller carrier, a fixing rod is fixedly connected to the top of the roller carrier, and a supporting rod is fixedly connected to one side of the fixing rod. According to the device, the angle of the adjusting plate can be limited in the mode that the five-star handle screw rod is embedded into the positioning grooves, and when the angle needing to be adjusted is located between the two positioning grooves, the five-star handle screw rod can be rotationally fastened in the sliding grooves, so that the position of the adjusting plate is limited; the reset of the adjusting plate is assisted by a telescopic rod and a telescopic spring, the movement of the adjusting plate can be controlled by pulling a connecting rod and a pressing plate through a pedal plate, a five-star handle screw rod slides in a positioning groove and a sliding groove, and the problem that adjustment is difficult in the mode that the five-star handle screw rod is inserted into a groove hole of the adjusting plate in the past is solved; and the convenience of adjusting the adjusting plate at different angles is improved.

The utility model discloses a push-and-pull sunshade wall-leaning inclined shed which comprises a supporting column, a retractable assembly is arranged on the supporting column, the retractable assembly comprises a top frame, a rotating handle, a winding drum, a rotating wheel and an inserting column, the top frame is arranged at the top of the supporting column, the rotating handle is rotationally connected to one end of the top frame, and the inserting column is arranged on the top frame. The winding drum is rotationally connected to the top of the top frame, the rotating wheels are connected to one end of the winding drum and one end of the rotating handle, the inserting columns are evenly arranged on the rotating wheels, the inserting columns on the two rotating wheels intersect with each other, a fixing assembly is arranged on the supporting columns, and the fixing assembly comprises a bottom plate, connecting feet and a fixing base. The bottom plate is arranged at the bottoms of the supporting columns, the connecting feet are evenly arranged between the supporting columns and the bottom plate, and the fixing bases are evenly installed on the top frame, so that the technical problem that in the using process of an existing inclined shed mentioned in the background technology, although the existing inclined shed has the push-pull function, the folding and unfolding processes are inconvenient is solved.

The application discloses a cable warning lamp, which comprises a light-emitting part, a solar panel and a mounting assembly. The solar panel is electrically connected with the light-emitting part. The mounting assembly comprises an elastic part and two clamping housings. The light-emitting part is fixedly connected with one of the clamping housings. The elastic part is connected between the two clamping housings. The free ends of the two clamping housings are free ends. The elastic part makes the free ends of the two clamping housings close to each other by the elastic force of the elastic part to keep a clamping state. The two clamping housings are used for jointly clamping a cable in the clamping state. The solar panel is connected to the outer side of one of the clamping housings. The outer side is the surface of the clamping housing which is away from the region between the two clamping housings. The technical scheme of the application can utilize solar energy to supply power, does not need an external power supply, does not consume traditional energy, reduces carbon emission, and can adjust the angle of the solar panel according to the position of the sun in different time periods, so that the solar panel can better receive sunlight and the solar energy conversion efficiency is improved.

The application relates to a semiconductor ultra-small flow limiting structure, which comprises a base and a flow limiting member; the flow limiting member comprises at least two flow limiting orifice plates which are sequentially stacked and fixed in a through hole; each flow limiting orifice plate is provided with a longitudinal flow-through hole which is in the same direction as the axis of the through hole; a transverse flow-through groove which communicates with the longitudinal flow-through holes on both sides is formed between the two adjacent flow limiting orifice plates; the adjacent flow limiting orifice plates are closely attached to each other to form a flow limiting channel which is sequentially formed by at least two longitudinal flow-through holes and at least one transverse flow-through groove between all the flow limiting orifice plates; and the flow-through area of the transverse flow-through groove is matched and designed based on the flow limiting capacity of the flow limiting channel. The application adopts the stacked flow limiting orifice plates to form the flow limiting channel, avoids the difficulty of directly machining the ultra-small aperture, has the advantages of being capable of realizing the accurate control of the ultra-small flow of the order of 0.01mm, avoiding the process difficulty of the micro-hole machining, improving the product qualification rate and the production efficiency, and reducing the production cost.

The application provides a content extraction method based on cell membrane capacitance change, and belongs to the field of cell-level micromanipulation technology, and comprises the following steps: S1, a change relationship between cell membrane capacitance and cell membrane surface area is established; S2, a change relationship between cell membrane surface area and volume is approximately established; S3, high-resistance sealing and membrane rupture of cells are completed, constant voltage cell content extraction operation is performed, and cell membrane capacitance values in the extraction process are obtained in real time through capacitance fitting; S4, content extraction amount is estimated; S5, actual cytoplasm extraction amount is calculated based on a rotary L-shaped electrode, the relationship model established in S2 is corrected, and finally, quantitative extraction of cell contents is realized. The application utilizes an electrical model of cell membrane capacitance, realizes real-time feedback of cell content extraction amount, realizes quantitative control of content extraction, can realize a cytoplasm extraction success rate of 62.5% in the case of a whole cell patch clamp structure, and the average cytoplasm extraction amount control error is less than 6% of the total cell volume.

This application discloses an automated sewing device, including a conveying mechanism, a sewing machine, a workpiece moving assembly, and a robotic arm. In this application, the workpiece moving assembly, the sewing machine, the robotic arm, and the conveying mechanism are combined to form an automated system. This system can automate workpiece sewing without human intervention, solve the difficulties of manual sewing, and save labor and time costs. At the same time, the taking off of the first workpiece and the insertion of the second workpiece can be closely combined. The mechanical device replaces the manual zipper movement process, saving labor and ensuring reliable results.

The application provides a robot grasping posture self-adaptive adjusting device based on visual and tactile fusion, which comprises a rotating groove, a rotating rod, an extender, an intelligent control host, a sliding rail and a multifunctional clamping structure; the rotating groove and the rotating rod are integrated, and one end of the rotating rod is connected with the extender; one end of the extender is fixedly connected with the intelligent control host; the intelligent control host is movably connected with the multifunctional clamping structure through the sliding rail; after improvement of the multifunctional clamping structure, the assembly frame inner wall splicing rail and locking bolt of the loading structure can be quickly assembled with the clamping block, and the clamping block is adsorbed and fixed or loosened by combination of energization or de-energization of the electromagnetic block, so that the quick disassembly and assembly effect is achieved, and the clamping block shape can be replaced according to the clamped object, so that the formed clamping jaw and the object shape are prevented from being mismatched to cause the inability to grasp, and the use effect of the self-adaptive adjusting device is improved.

The utility model discloses an integrated installation structure of intelligent driving vehicle controller belongs to heavy truck technical field, including ADU wisdom driving controller, VCU whole vehicle controller and ADU water -cooling controller, the lower part of VCU whole vehicle controller and ADU water -cooling controller is fixed in the two upper beam frames of left and right symmetry and parallel, the lower part of ADU wisdom driving controller is fixed in the two lower beam frames of left and right symmetry and parallel, the upper beam frame is located the top of lower beam frame and both sides are connected through the side support of inverted U shape, VCU whole vehicle controller, ADU water -cooling controller with ADU wisdom driving controller form the upper and lower layer distribution and form the heat dissipation space in the middle. This controller integrated installation structure not only has optimized space layout and heat dissipation effect, still has promoted assembly efficiency, assembly quality and system maintainability greatly, has overcome the technical problem of many aspects such as the structure dispersion, the installation complicated, the heat dissipation is limited in prior art.

The invention discloses a multi-modal data-oriented dynamic space-time diagram learning micro-service anomaly detection method, which comprises the following steps of: acquiring data information from a micro-service system to be detected, inputting the data information into a computer system, and carrying out data preprocessing to obtain multi-modal data; processing the multi-modal data based on a sliding window mechanism, and constructing a dynamic dependency graph sequence; on the basis of the dynamic dependency graph sequence, space relation modeling and time sequence dynamic evolution modeling are executed, representation of fusion time sequence information is generated, and a graph-level representation vector containing a complete spatio-temporal context is generated; and inputting the graph-level representation vector into a depth vector data description anomaly detection model based on contrast learning, and outputting a detection result. According to the method, based on multi-mode dynamic space-time diagram learning and contrast enhancement SVDD micro-service anomaly detection, dynamic evolution characteristics of a micro-service topological structure are explicitly captured, deep fusion of space-time coupling characteristics is realized, and meanwhile, the problem of fuzzy decision boundary in unsupervised detection is inhibited.

The application discloses a metal atom intercalated halogen end group MXene composite material and a preparation method and application thereof, and belongs to the technical field of electromagnetic functional materials. Through a thermodynamic guided molten salt chemical intercalation strategy, the Gibbs free energy difference between a reducing agent and a metal salt is used as a driving force to introduce elemental metal atoms into the interlayer of a halogen end group MXene and form an interlayer heterojunction. The electronegativity difference is used to reconstruct the interlayer charge distribution, significantly reduce the interlayer electron transport resistance, break through the bottleneck of halogen end group binding to electrons, greatly improve the carrier concentration, mobility and conductivity of the material, and realize excellent electromagnetic wave absorption performance by means of the synergistic enhancement of the conductivity loss and the interface polarization loss.

This invention provides a method and system for locating harmonic sources, relating to the field of power distribution network technology. The method includes acquiring a topology diagram of a power distribution network and acquiring at least one node in the topology diagram. It also includes acquiring the voltage and current values ​​of each node in the topology diagram of the power distribution network within a preset time period. Based on the voltage and current values ​​of each node in the topology diagram of the power distribution network within the preset time period, it acquires the fundamental voltage average value, h-th harmonic voltage average value, fundamental current average value, h-th harmonic current average value, fundamental apparent power, h-th harmonic active power, harmonic voltage distortion rate, and harmonic current distortion rate of each node in the topology diagram of the power distribution network within the preset time period. Finally, based on a harmonic source location model, it determines the node containing the h-th harmonic source from the at least one node in the topology diagram of the power distribution network.

The utility model relates to the technical field of vehicle trailer rescue, and discloses a heavy duty vehicle trailer device which comprises a trailer rod, a stress rod, a load-bearing adjusting beam and two sets of tire fixing trolleys, the stress rod is detachably installed at one end of the trailer rod, the load-bearing adjusting beam is welded to the opposite end, away from the trailer rod, of the stress rod, and the two sets of tire fixing trolleys are welded to the load-bearing adjusting beam. The two sets of tire fixing trolleys are welded to the two ends of the bearing adjusting beam correspondingly, and multiple sets of bearing universal wheels are arranged at the bottoms of the two sets of tire fixing trolleys correspondingly. Through cooperation of the trailer rod, the stress rod, the load-bearing adjusting beam and the two sets of tire fixing trolleys, a faulty vehicle can be lifted and then placed on the tire fixing trolleys, so that a fork knife is separated from the ground after the forklift ascends by a certain height, great difficulty caused by the fact that the fork knife and goods make contact with the ground is effectively avoided, and meanwhile the forklift is convenient to use. The device is suitable for trailer operation of different vehicle types and different operation environments, and the efficiency of field rescue of the heavy duty vehicle is improved.

The utility model discloses a bathing tub suitable for old people, which comprises a tub body, a water filling faucet arranged on the tub body, a first drain opening arranged at the bottom of the tub body, a seat stool arranged in the tub body, a backrest pivotally arranged at the rear end of the seat stool and provided with an angle adjusting mechanism, a head washing basin arranged on the inner wall of the tub body and located behind the backrest, the head washing basin being provided with a spray head and a second drain opening arranged at the bottom of the head washing basin, an inlet and outlet arranged on one side of the tub body and located in front of the seat stool, a side door matched with the inlet and outlet, and a sealing structure arranged between the side door and the rim of the inlet and outlet. The utility model integrates the foot washing basin, the bathing tub and the head washing basin, solves the difficulty of foot washing, bathing and head washing for the old people, and reduces the difficulty of assisting bathing.

The invention provides a forest carbon sequestration amount determination method, and relates to the technical field of carbon sequestration amount determination.The method comprises the steps that the basic length of a determination grid is calculated according to crown data and regional area, grid division is conducted on a forest region according to the basic length, and terrain distribution data and forest remote sensing data of the forest region are obtained; the method comprises the following steps: constructing a terrain feature set of each grid, obtaining an image above a forest, constructing a forest recognition model, recognizing features of the forest in each grid, forming continuous grids into a detection region, and classifying the detection region according to the terrain feature set and the forest feature set of each grid in the detection region. And calculating the sampling distance from the detection region to the boundary of the forest region, calculating an overall sampling coefficient according to the number of the detection regions in each cluster and the sampling distance, determining the size of the detection regions, and selecting a calculation mode of the carbon sink amount according to the sampling distance of the divided detection regions.