35results about How to "Unable to solve" patented technology

The application is suitable for the technical field of data processing, and provides a negative feedback monitoring method applied to media data, which comprises the following steps: step S1: media data collection and fusion: collecting media data and user interaction behavior data from different channels, and constructing a unified user session sequence model to time-correlate multi-modal data within a single user session; step S2: multi-modal negative feedback feature fusion: processing the media data, extracting negative feedback features of text, vision, audio and user behavior modes, and analyzing the correlation between different modal negative feedback features by using a cross-modal correlator. The application effectively avoids the problem of cross-session data fragmentation by limiting the operation range of the user session sequence model to a single continuous access period.

This application relates to the field of ecological revetment technology, and in particular to a method and system for repairing cracks in revetments. The method includes: receiving monitoring data from multiple sensors during the monitoring process to determine whether cracks have formed in artificial revetments; if it is determined from the multiple monitoring data that cracks to be repaired exist in the artificial revetment, identifying microcapsules within a preset distance from the cracks to be repaired as target microcapsules; controlling the rupture of the target microcapsules to release repair materials to repair the cracks. In summary, the method provided by this application can achieve automatic monitoring and automatic repair of cracks in artificial revetments. Therefore, this application can solve the technical problem that the monitoring and repair of cracks in artificial revetments in the prior art relies entirely on the subjective actions of technicians, which easily leads to the inability to repair cracks in artificial revetments in a timely manner.

The application discloses a kind of multi-obstacle prediction navigation obstacle avoidance methods based on single-line laser radar, first, the obstacle point cloud data detected by single-line laser radar is collected, the data is filtered and classified, and the obstacle point cloud array is obtained;Shape fitting is carried out on the classified obstacle point cloud array to realize the detection of obstacles;Data correlation is carried out on the obstacles detected in the adjacent two frames of obstacle point cloud arrays, the current motion state of each obstacle is obtained, and its historical trajectory is recorded to realize the tracking of obstacles;The trajectories of multiple obstacles in the future are predicted, the results of global path planner are read and segmented into multiple local paths;In each local path, map-free end-to-end strategy navigation is realized;The method of the application is applied to floor cleaning robots, service robots and AGVs and other mobile robots, improves the safety of robot obstacle avoidance, and has the characteristics of real-time and low cost.

The application discloses a needle-tooth shell assembly and a speed reducer, and solves the problem of high difficulty in needle selection and the problem of speed reducer failure caused by needle-tooth groove wear in the prior art. The needle-tooth shell assembly comprises a needle-tooth shell and a needle-tooth sleeve. The needle-tooth sleeve is arranged to be movable on the needle-tooth shell, so that the position of the needle-tooth groove on the needle-tooth sleeve for cooperating with the needle can be adjusted, and the diameter of the needle-tooth shell is adjusted, so that the needle-tooth groove can be adapted according to the selection of the needle, the problem that the needle engagement top gap is too different from the theory due to the error in the diameter screening of the needle in the prior art is solved, the purpose of weakening the adverse effect of the large diameter fluctuation of the needle on the service life of the speed reducer is achieved, the assembly precision of the speed reducer and the service life of the speed reducer are improved, the purpose of reducing the idle stroke of the speed reducer and the attenuation rate of the stiffness curve is achieved, and the service life of the speed reducer is improved.

The invention belongs to the technical field of mining machinery, and relates to an external oil supplementing type shovel plate for a continuous mining machine and a using method of the external oil supplementing type shovel plate. Comprising a shovel plate body, the transmission system is arranged in the shovel plate body; the transmission system comprises a motor and a speed reducer; the speed reducer comprises a high-speed section and a low-speed section connected with the high-speed section; the output end of the motor is connected with the input end of the high-speed section; a high-speed section upper oil port and a high-speed section lower oil port are formed in the shell of the high-speed section; a low-speed section upper oil port and a low-speed section lower oil port are formed in the shell of the low-speed section; a star wheel is arranged on the upper surface of the shovel plate body and is connected with the output end of the low-speed section; the oil supplementing device is arranged outside the shovel plate body, and a high-speed section upper oil level opening, a high-speed section lower oil level opening, a low-speed section upper oil level opening and a low-speed section lower oil level opening are formed in the oil supplementing device; and an oil level gauge is arranged on the side wall of the oil device. The oil supplementing pipeline of the speed reducer is directly led out to the oil supplementing device outside the shovel plate, and convenient oil supplementing operation is achieved.

The utility model provides a flexible protection structure for a power line, which relates to the technical field of flexible protection structures for power lines, and comprises a power line, a rubber sheet is fixedly connected to the surface of the power line, a protection device is arranged on the surface of the power line, and a plug and a bolt are fixedly connected to the two ends of the power line respectively. A storage device is arranged on the surface of the power line, the protection device comprises a protection frame arranged on the surface of the power line in a sleeving mode, the protection frame is made of a deformable silica gel material, a rectangular plate is fixedly connected to the side face of the protection frame, a through groove is formed in the surface of the rectangular plate, and a bolt is inserted into the through groove; the side face of the rectangular plate is fixedly connected with a nut, the bolt is in threaded connection with the nut, the surface of the rectangular plate is fixedly connected with a base plate, the base plate is a rubber plate, and the problem that the power line cannot be used due to the fact that rubber on the surface of the power line is easily bitten by pets is solved.

The invention discloses a customer group data processing method and device, electronic equipment and a storage medium, and relates to the technical field of big data or other related fields, and the method comprises the steps: obtaining transaction data of N financial customers from a financial database, and constructing a financial customer group network according to the transaction data, N being a positive integer; based on a preset threshold value formula and a spectral clustering algorithm, the financial customer group network is classified, the financial customer group network is disassembled according to a classification result, M sub-graphs are obtained, and M is a positive integer; solving a maximum independent subset for each sub-graph by adopting a quantum computing optimization strategy, and determining customer associated information corresponding to the maximum independent subset; and updating the current customer group information in the financial database by using the customer association information corresponding to all the sub-graphs. Through the method and the device, the technical problem that customer group information cannot be updated in time due to low processing efficiency of financial customer relationship data in related technologies is solved.

The utility model discloses a hidden positioning structure of a European standard socket, a positioning end of the socket is provided with a rear cover, a locking piece passes through the rear cover and locks the rear cover on the socket, and a conductive terminal and a ground wire terminal which are arranged on the positioning end are pressed and fixed on the socket and the rear cover at the same time. According to the utility model, the rear cover is arranged at the positioning end of the socket body, and the positioning structure and the avoiding structure which are matched with the conductive terminal, the ground wire terminal and the locking piece are arranged at the rear cover and the positioning end, so that each functional piece can be fixed from the positioning end and can be ensured to be normally used, and the locking piece cannot be seen from the input end; therefore, a user can be prevented from disassembling the locking piece on the socket, and the problem that the socket cannot be used due to disassembling operation of the user is solved.

The utility model discloses a vacuum pump air filter assembly facilitating drainage, and relates to the technical field of vacuum pumps. The device comprises a filter cartridge, a floating ball type mechanical drainer, a liquid collection bottle, a conical hopper and a liquid collection tank, a stainless steel baffle plate which is obliquely distributed is fixed on the inner wall of the filter cartridge, a filter element is arranged in the filter cartridge, and a bent liquid discharge pipe is fixed at the lower part of the peripheral side of the filter cartridge in a penetrating manner; a floating ball type mechanical drainer is fixed to the bottom end of the liquid discharging pipe in a threaded and screwed mode, and a liquid collecting bottle is fixed to the bottom end of the floating ball type mechanical drainer in a screwed mode; a conical hopper is also arranged outside the filter cartridge, and a liquid collecting tank is screwed and fixed at the bottom of the conical hopper. Through the arrangement of the filter cartridge, the floating ball type mechanical drainer, the filter element, the stainless steel baffle plate, the conical hopper, the liquid collection bottle and the liquid collection tank, the problems that moisture in air filtration cannot be timely and conveniently discharged, the filtration effect of vacuum pump air filtration is insufficient, and dust and moisture in air in a container cannot be fully filtered out are solved.

The utility model discloses a water replenishing mechanism for hydrogen production equipment, which comprises the hydrogen production equipment and a water storage device, and a filtering and disinfecting box is arranged between the hydrogen production equipment and the water storage device; the filtering and disinfecting box comprises a box body, the upper layer of the box body is a disinfecting chamber, the lower layer of the box body is a filtering chamber, and the filtering chamber is communicated with the disinfecting chamber through a connecting elbow; a double-floating-ball liquid level switch used for detecting high and low water levels in the hydrogen production equipment is arranged in the hydrogen production equipment; the filtering and disinfecting box with the filtering chamber and the disinfecting chamber is arranged for treating water, the quality of water entering the hydrogen production equipment is improved, the high requirement of the hydrogen production equipment for the water quality is met, meanwhile, the double-floating-ball liquid level switch is arranged for detecting the high water level and the low water level in the hydrogen production equipment, and the water quality is improved. Whether water needs to be supplemented is judged according to the internal water level state of the hydrogen production equipment, and the problem that the water level cannot be detected in time in the sealing operation process of the hydrogen production equipment is solved.

The present application relates to the field of vehicle control, and in particular to a method and device for controlling a rear windshield wiper of a vehicle. The method provided by the present application detects the washing state of a first windshield wiper of a front windshield, and controls a second windshield wiper of a rear windshield to perform a cleaning operation in linkage with the first windshield wiper according to real-time working parameters when the first windshield wiper is in the washing state, thereby solving the problem that the rear windshield wiper cannot be actively washed in linkage with the front windshield wiper. Since the front and rear windshield wipers are started synchronously, the rear windshield can remove stains while the front windshield is being cleaned, and there is no need to start the rear windshield wiper temporarily when the rear field of view is needed, thereby avoiding a delay in the field of view and greatly improving the driving safety in scenarios such as lane changing and reversing. Meanwhile, the linkage mechanism makes the rear windshield wiper and the washing system work synchronously every time the front windshield wiper is actively washed, thereby avoiding problems such as liquid accumulation in the pipeline, aging of the sealing element, and motor jamming caused by long-term idling, and effectively delaying the aging and damage of the components.

The invention provides a method for characterizing the specific surface area of cobaltosic oxide, belongs to the technical field of lithium ion battery material preparation, and solves the problems that an existing method for characterizing the specific surface area of cobaltosic oxide is long in detection time and cannot meet the requirement that the specific surface area of a product needs to be monitored at any time in the process of preparing cobaltosic oxide through calcination. Spherical cobalt carbonate is used as a raw material to be calcined into cobaltosic oxide, then sampling is carried out, and the positive linear relation between the specific surface area of the cobaltosic oxide and the moisture content is set. The time for representing the specific surface area of the cobaltosic oxide is greatly shortened, the method can be used for monitoring abnormal conditions in the process of preparing the cobaltosic oxide by calcining cobalt carbonate, the process abnormity can be found in time, and the product quality is guaranteed.

The utility model relates to the technical field of fabricated buildings, and discloses a stair railing embedded part for a fabricated building, which comprises a connecting plate, and the top of the connecting plate is fixedly connected with a connecting block. According to the utility model, after the installation position of the embedded part is determined by observing the reference hole, enabling the connecting plate to correspond to the mark of the embedded position, and pouring the concrete, the concrete is tightly combined with the embedded rod, and through the arrangement of the embedded rod, the defect that the position of the embedded part is deviated due to punching installation is overcome, and the accuracy of the installation position of the embedded part is improved; the threaded rod is aligned with the threaded groove, then the handrail body is rotated to move in the axis direction of the threaded groove, the handrail body is gradually tightened along with rotation, connection of the handrail body and the embedded part is completed, the defect that the handrail cannot be separated from the embedded part due to welding is overcome, and the handrail can be replaced and adjusted while the handrail is replaced and adjusted. And the stability of connection between the handrail and the embedded part is guaranteed.

This ultra-high temperature single-screw compressor bearing independent lubrication system includes an oil inlet pipe, an oil inlet passage, a mechanical seal, a bearing housing, a cover plate, an oil return pipe, and an oil cooler. The oil cooler is located outside the single-screw compressor housing. The mechanical seal is located inside the bearing housing of the single-screw compressor housing, isolating the compression chamber inside the single-screw compressor housing from the bearing cavity inside the bearing housing. The cover plate is located outside the bearing housing, sealing the bearing cavity from the outside. The bearing cavity houses the bearing. The oil inlet pipe is located outside the bearing housing, with one end connected to the oil outlet of the oil cooler and the other end connected to the oil inlet of the oil inlet passage. The oil outlet of the oil inlet passage is connected to the oil inlet on the bearing housing. One end of the oil return pipe is connected to the inside of the bearing housing, and the other end is connected to the oil inlet of the oil cooler. This system effectively controls the bearing lubricating oil temperature, and the operating conditions during use fully meet the normal operating conditions of the bearing, extending the bearing life.

The application relates to a TBM tunnel deep-buried central water ditch synchronous construction method and equipment, temporary support trusses are erected behind the TBM, inverted arch precast blocks are laid behind the temporary support trusses, and a tunnel base without inverted arch covering is reserved between the temporary support trusses and the inverted arch precast blocks; waterproof operation racks and lining trolleys are arranged on the top of the inverted arch precast blocks, waterproof plates, steel bars and secondary lining construction are carried out; meanwhile, a simple inverted arch trestle is arranged at the tunnel base without inverted arch covering, a deep-buried central water ditch is drilled and excavated below the simple inverted arch trestle, and a pipe section is hoisted into the deep-buried central water ditch; inverted arch precast blocks are continuously laid on the top of the deep-buried central water ditch; the temporary support trusses are removed, the simple inverted arch trestle is moved to the next cycle of the temporary support trusses and the newly laid inverted arch precast blocks, and the next cycle of construction is continued. Through process reorganization and space reconstruction, the application forms reasonable space occupation and interface closed loop, and directly solves the problem that the deep-buried central water ditch cannot be constructed synchronously with the TBM tunneling.

The invention discloses a grouting device and method suitable for a water-rich soft and hard interactive fractured stratum, solves the problem that in the prior art, a grouting device is single in function, and has the beneficial effect that grouting slurry can be switched in time. Comprising a mixing pumping unit, a mixing stirrer is connected with a grouting pump body, and the grouting pump body is connected with a conveying pipe; the water-soluble auxiliary material batching and conveying unit, the water tank and the water-soluble auxiliary agent storage tank are respectively connected with the first booster pump, a control switch and a first flow transmitter are arranged between the water-soluble auxiliary agent storage tank and the first booster pump, and a second flow transmitter is arranged at a connecting pipeline of the first booster pump and the mixing stirrer; the permeation slurry conveying unit and the permeation slurry storage tank are connected with the mixing stirrer through a second booster pump, and a third flow transmitter is arranged between the second booster pump and the mixing stirrer; the particle type slurry conveying unit comprises a particle type slurry storage tank.

The present application relates to air conditioner management, and provides a management method, device and equipment for a VRF air conditioner forgetting switching-on / off exception, which comprises the following steps: acquiring real-time running state data of outdoor units and indoor units in a VRF air conditioner system; identifying linkage exceptions of the real-time running state data according to preset switching-on / off rules to determine forgetting switching-on / off exception events; generating exception statistical information according to the forgetting switching-on / off exception events; generating a one-key timing task generation instruction according to the exception statistical information, generating and configuring a timing switching-on / off task for a target air conditioner device with an exception based on a preset timing task template; and submitting the timing switching-on / off task to a remote control unit of an air conditioner centralized management platform for execution. The present application solves the problem of the prior art that a VRF air conditioner forgetting switching-on / off exception relies on manual checking and processing, is inefficient and cannot be intervened in time, and realizes closed-loop management of automatic exception identification, visualized statistics and one-key generation of a timing task.

A cloth unwinding brake device and a cloth processing line; the cloth unwinding brake device is used for connecting a cloth feeding roller with cloth wound thereon, and comprises a moving table and a brake mechanism; the brake mechanism is arranged on the moving table, the moving table drives the brake mechanism to move; a brake and a support seat are arranged on the moving table; one end of an extension shaft cylinder is connected to the other end of a driving shaft, the other end of the extension shaft cylinder is detachably connected to one end of the cloth feeding roller, so that the driving shaft, the extension shaft cylinder and the cloth feeding roller are connected in a synchronous rotating mode; the extension shaft cylinder is rotatably connected to the support seat; and an output end of the brake is connected to one end of the driving shaft, so as to brake the driving shaft. According to the scheme, the tension of the cloth in a certain process of the cloth processing line can be temporarily adjusted to be stable, and the problem that the tension of the cloth cannot be adjusted in time when the tension of the cloth in a certain process of the cloth processing line is unstable is solved.

The utility model relates to fruit and vegetable cutting technology field, concretely relates to a fruit and vegetable cutting and screening device, the inner side both sides of conveying frame are rotatably connected with the conveyer roller, and the winding connection with a plurality of conveyer belts is connected between two conveyer rollers, the outer wall one side of conveying frame is fixedly connected with drive motor through bolt, and the one end of one of two conveyer rollers penetrates the side wall of conveying frame and is driven the motor output shaft drive connection. The integration of fruit and vegetable cutting and screening function has been realized, the problem that fruit and vegetable cannot be screened in time after cutting in the prior art is solved effectively, the problem that the operation is complicated, the space is occupied and the efficiency is low caused by the additional configuration of independent screening equipment is avoided, the overall processing efficiency is improved significantly, secondly, the accurate cooperation layout between conveyer belt and cutting knife makes fruit and vegetable be cut evenly in the conveying process, ensures that the cutting size consistency, satisfies the requirement of different cooking scene to food material specification.

This invention relates to the field of solid waste conveying technology and discloses a solid waste conveying system and method, including a conveying component, an adjusting component, and a monitoring component. The conveying component includes a pipeline with an inlet and an outlet. The inlet is used to convey solid waste into the pipeline, and the outlet is used to discharge solid waste from the pipeline. The adjusting component includes an adjusting ring and a moving component. The adjusting ring is disposed in the pipeline and is used to adjust the communication area between the outlet and the pipeline. The moving component is used to drive the adjusting ring to move. The monitoring component includes a pressure sensor and a control unit. The pressure sensor is used to monitor the internal pressure of the pipeline, and the control unit is connected to the pressure sensor and the moving component. The control unit moves the adjusting ring to adjust the communication area between the outlet and the pipeline according to the internal pressure of the pipeline monitored by the pressure sensor. The solid waste conveying system of this invention captures changes in the pressure inside the pipeline in real time and triggers an adjusting action at the initial stage of blockage, preventing the blockage from worsening.

This invention discloses a method for calculating the carbon emission intensity and carbon emission amount of a pure condensing coal-fired power generation unit. It establishes a mathematical model to obtain a formula for calculating carbon emission intensity, calculates the as-received nitrogen and hydrogen content of coal using industrial analysis and calorific value data of coal from power plants, calculates the as-received carbon content of coal using empirical formulas, and calculates the standard coal carbon dioxide emission coefficient by combining data on the combustible content in ash. It obtains a relationship between the unit's power generation coal consumption and load rate by fitting coal consumption data under typical operating conditions. It calculates the power generation coal consumption for each statistical period based on the load rate, and combines this with the carbon dioxide emission coefficient to obtain the carbon emission intensity and carbon emission amount for each statistical period, thereby obtaining the cumulative carbon emission amount E. This invention does not require elemental analysis of the coal, uses readily available basic power plant monitoring data, is highly practical, and can promptly obtain carbon emission intensity and carbon emission amount for each statistical period. The data is accurate and timely, greatly facilitating carbon reduction management.

The utility model discloses a viscose base carbon fiber production waste gas treatment device relates to fiber production technical field. The utility model discloses a treatment box, water pump, sealing plate, filter frame and spray pipe, and the inside of treatment box is provided with spray cavity and purification cavity, and the inside wall of treatment box in spray cavity is fixed with two spray pipes, and the front side of treatment box outside spray cavity is inserted with the sealing plate in the mode of through -going, and one side of sealing plate near spray cavity is fixed with two frames, and the filter screen is fixed in the frame, and the filter screen is fixed in the frame, and the filter screen is fixed in the frame, and the filter screen is fixed in the frame, and the filter screen is fixed in the frame, and the filter screen is fixed in the frame, and the filter screen is fixed in the frame, and the filter screen is fixed in the frame, and the filter screen is fixed in the frame, and the filter screen is fixed in the frame, and the filter screen is fixed in the frame, and the filter screen is fixed in the frame, and the filter screen is fixed in the frame, and the filter screen is fixed in the frame, and the filter screen is fixed in the frame, and the filter screen.

The invention is suitable for the technical field of fresh food self-picking display cabinets, and provides a fresh food self-picking display cabinet and a refrigeration control method thereof.The fresh food self-picking display cabinet comprises a cabinet body assembly, the cabinet body assembly comprises a cabinet body, a partition area arranged in the middle of an inner cavity of the cabinet body assembly, a freezing area and a refrigeration area, and the freezing area and the refrigeration area are located in the cabinet body assembly and symmetrically arranged on the two sides of the partition area; the device solves the problem that the temperature difference between cavities is too large due to the fact that two sets of refrigerating units correspond to a whole series-connection multi-cavity pipeline and refrigerant flow energy loss occurs, and meanwhile solves the problems that after a whole non-detachable pipeline breaks down, overall disassembly and maintenance are needed, the working procedure is complex, and shutdown is caused in a coverage area. The device is provided with a set of refrigeration driving assembly to be matched with the double-area control mechanism and the electromagnetic valves and the coils corresponding to the partition cavities, the electromagnetic valves are opened and closed as needed after low-temperature refrigerants are shunted, the refrigerants are supplied to the coils of the target cavities, partition independent refrigeration is achieved, the cost is reduced, and it is guaranteed that commodities are kept fresh.

The invention discloses a ball sorting device for bearing production and a using method, and particularly relates to the field of ball sorting, the ball sorting device comprises a feeding pipe, a sorting turntable and a feeding pipe, the sorting turntable is communicated with the bottom of the feeding pipe, the feeding pipe is communicated with one side of the sorting turntable, and one side of the feeding pipe is fixedly connected with a screening step; the inner wall of the sorting rotating disc is rotationally connected with a transmission rotating roller, the outer wall of the transmission rotating roller is fixedly connected with a rotating plate, one end of the transmission rotating roller is rotationally connected with a rotating motor, the end, away from the rotating motor, of the transmission rotating roller is fixedly connected with a movable rotating plate, and one side of the movable rotating plate is fixedly connected with a movable pushing column. According to the ball sorting device, the movable rotating plate and the material pushing plate are arranged, when balls are sorted, the transmission rotating roller can drive the movable rotating plate to enable the movable pushing column to move, finally, the movable plate drives the material pushing plate to obliquely move, and the problem that follow-up balls cannot be moved and the whole sorting device cannot be used due to the fact that the balls are clamped on the screen holes is solved.

The utility model discloses an intelligent lock and a double-battery power supply circuit thereof, the double-battery power supply circuit comprises a first switch module, a second switch module, a third switch module and a fourth switch module, or when the output voltage of the first power supply end is higher than the threshold voltage and the output voltage of the second power supply end is greater than 0, the first battery supplies power to the control mechanism through the first power supply end; when the output voltage of the first power supply end is 0 and the output voltage of the second power supply end is greater than 0, or the output voltage of the first power supply end and the output voltage of the second power supply end are both greater than 0 and the output voltage of the first power supply end is equal to or lower than a threshold voltage; the second battery supplies power to the control mechanism through the second power supply end; according to the technical scheme, a double-battery power supply mode is adopted, it is ensured that the intelligent lock can be automatically switched to the second battery for power supply when the electric quantity of the first battery is insufficient, and therefore continuous operation of the intelligent lock is achieved.

The invention discloses a transformer electromagnetic thermal analysis method, device and equipment and a storage medium, relates to the technical field of transformer design, and discloses a transformer electromagnetic thermal analysis method comprising the following steps: obtaining design size parameters of a transformer; determining a transformer geometric model and a model description configuration file based on the design size parameters; performing electromagnetic field simulation on the transformer geometric model based on component material setting parameters, excitation current setting parameters, coil structure setting parameters, tapping setting working conditions and the model description configuration file to obtain magnetic field loss distribution data; performing temperature field simulation on the transformer geometric model based on the structural member oil flow information, the convection coefficient setting parameter and the magnetic field loss distribution data to obtain temperature rise data; and generating a transformer electromagnetic thermal analysis report based on the magnetic field loss distribution data and the temperature rise data. According to the scheme, unification of design and verification models can be realized in the electromagnetic thermal analysis process of the transformer, so that the verification period is shortened.

The invention provides a three-dimensional frequency spectrum prediction method, system and device based on a multi-scale map convolutional network and a medium, and belongs to the technical field of frequency spectrum prediction.The method comprises the steps that receiving power data of multiple frequency points are continuously collected with the resolution of preset duration, three-dimensional tensor data are formed, and a feature matrix is constructed; a learnable parameter matrix of a preset dimension is adopted to transform the feature matrix, a self-adaptive threshold value is set according to the median of scores of all nodes, and a weighted adjacency matrix is generated; performing first-order graph convolution operation and second-order graph convolution operation on the weighted adjacency matrix, and performing feature transformation by adopting a multi-dimensional learnable weight matrix to form multi-dimensional fusion features; and expanding the multi-dimensional fusion features according to a time sequence, constructing a gating mechanism through element multiplication and residual connection, and outputting a prediction result through a linear transformation layer. The accuracy of spectrum prediction is improved, and the model can output a more accurate prediction result when processing spectrum data of a long time sequence.

The present application relates to steel box girder hoisting technical field, and disclose a kind of suspension bridge steel box girder hoist and hoisting method.The suspension bridge steel box girder hoist includes top plate and lifting plate, and lifting plate is provided with installation limiting prompting mechanism.The present application is realized by setting up synchronous component, four clamping points are mechanically linked clamping, effectively solve the problem of poor synchronism and uneven clamping force caused by clamping one by one in prior art, when operator rotates screw block, connecting rod drives stud rotation, stud drives threaded moving block movement, threaded moving block drives rack sliding in limiting block, rack drives gear rotation, gear drives bidirectional screw in connecting block rotation through connecting shaft, two clamping blocks on bidirectional screw move synchronously, form uniform clamping to the upper and lower flange plate of steel box girder body, since rack and gear at four lifting points are linked through unified transmission chain, ensure that four groups of bidirectional screw rotate synchronously with same speed and number of turns.

Embodiments of the present application provide a communication method, an electronic device and a storage medium. The electronic device comprises an ADSP. The ADSP receives service data sent by an AP, detects that a receiving queue in the ADSP is not full, stores the service data in the receiving queue, and adds an enqueue time of the service data. The ADSP processes the service data, records a start processing time corresponding to the service data, records an end processing time corresponding to the service data when the processing of the service data is completed, and sends timeout information to the AP if the processing of the service data is timed out. The timeout information comprises the enqueue time, the start processing time and the end processing time of the service data. The AP can determine a timeout reason according to the timeout information. The method can accurately locate a root cause of AP transceiving data timeout, which is beneficial to developers to solve the timeout fault.