89 results about "Information engineering" patented technology

The invention relates to the technical field of information engineering, in particular to an electronic communication anti-interference system for information engineering, which comprises the following modules: a signal acquisition module, an interference monitoring module, an interference identification module, an anti-interference strategy generation module, an anti-interference execution module, a feedback optimization module and a data storage and management module. Through cooperative work of the signal acquisition module and the interference monitoring module, the interference condition in a communication signal can be monitored in real time, and the interference type and intensity are accurately identified through the interference identification module, so that an accurate basis is provided for subsequent anti-interference processing; the anti-interference strategy generation module can dynamically generate a proper anti-interference strategy according to the specific situation of interference, the limitation of a traditional fixed strategy is avoided, and the adaptability of the system to a complex interference environment is improved.

The invention relates to the technical field of geographic information engineering, in particular to a surveying and mapping geographic system based on a remote sensing technology, which is characterized in that a multi-modal remote sensing data acquisition module synchronously acquires satellite remote sensing images, aviation LiDAR point cloud, unmanned aerial vehicle oblique photography and ground Internet of Things sensing data; the data fusion collaboration module carries out geographic coordinate calibration and position coding, and generates a surveying and mapping data set with unified precision in combination with an improved Mamba fusion model; the dynamic terrain high-precision inversion module performs three-dimensional terrain reconstruction, and completes terrain deformation monitoring in combination with an InSAR interference measurement technology and a time sequence analysis algorithm; the real-time error correction module constructs a BP neural network optimized by an ISSA algorithm, and dynamically corrects a terrain three-dimensional model and a terrain deformation result; the intelligent visual application module constructs a digital twinborn simulation model and automatically generates a standardized surveying and mapping result report. Therefore, the problems of weak multi-source data fusion, low terrain inversion precision and the like in the prior art are solved.

The invention provides an intelligent progress management and control method and system for information engineering supervision, and relates to the technical field of information, and the method comprises the steps: pushing early warning information to a first-party system and a second-party system through message middleware, collecting a feedback state to complete closed-loop cooperative processing, and updating a processing result to a central database; based on the central database, combining historical project data, performing pattern recognition analysis to extract a progress deviation rule, and dynamically optimizing a plan node threshold and buffer time of a subsequent stage according to the progress deviation rule to obtain an optimization strategy; and on the basis of the optimization strategy, constructing a configurable progress management and control template library, so as to quickly adapt and generate a corresponding progress management and control node and an early warning threshold value in the new-type project. According to the invention, a full-process closed-loop management system from data integration, intelligent optimization to dynamic adaptation is constructed, and the fundamental transformation of project progress management and control from passive response to active prediction and from experience driving to data driving is realized.

The invention discloses a real-time ocean simulation method and system based on sensing data, and relates to the technical field of ocean information engineering and intelligent sailing. A graph neural network is combined with a multi-head attention mechanism to carry out data fusion, importance of different sensors and data time steps is dynamically weighted, and real-time ocean simulation is realized. According to the method, the quality difference and missing conditions of heterogeneous data are adaptively processed, the deviation and noise influence in the fusion process are reduced, meanwhile, physical consistency constraints such as mass conservation and boundary non-penetration are introduced, the physical rationality and smoothness of an output ocean current field are guaranteed, non-physical artifacts are avoided, and the reliability and practicability of a result are enhanced; a streaming updating mechanism allows a graph structure and model parameters to be rapidly and incrementally updated when new data arrives, data processing and assimilation delay are greatly reduced, and nearly real-time ocean current forecasting is realized, which is crucial to a ship autonomous navigation system, and accurate ocean current information can be timely provided to support dynamic path planning and risk avoiding decision making.

The invention relates to the technical field of information engineering communication, in particular to an electronic communication device for information engineering, which comprises a communication box and a controller, and is characterized in that the bottom of the communication box is fixedly connected with a base; an equipment bracket and a first driving piece are fixedly connected to the inner bottom wall of the communication box, and the controller is used for controlling an output shaft of the first driving piece to rotate; a U-shaped frame is fixedly connected to the inner side wall of the communication box, a lead screw is rotationally matched in the U-shaped frame, and the bottom end of the lead screw is coaxially and fixedly connected with the first gear. A nut seat is in threaded fit with the lead screw, the nut seat is in vertical sliding fit with the inner side of the U-shaped frame, a second driving part is fixedly connected to the nut seat, and fan blades are coaxially and fixedly connected to an output shaft of the second driving part; an air inlet pipe and an air outlet pipe are symmetrically and respectively communicated with the side wall of the communication box; a circular plate is rotationally matched in the air inlet pipe; an adjusting assembly used for controlling the opening and closing angle of the circular plate is arranged on the inner bottom wall of the communication box. The heat dissipation and ventilation path and the air volume can be dynamically adjusted according to the running state of the equipment in the communication box.

The invention belongs to the technical field of ocean information engineering, and discloses a joint simulation method for a structure collision effect in a floating installation process of an offshore converter station. The joint simulation method comprises the following steps: S1, setting sea condition parameters of an operation sea area and geometric parameters and material parameters of a floating system; s2, initializing a hydrodynamic model and a multi-body model; s3, solving the barge motion equation under the current time step by using the hydrodynamic model to obtain barge motion data; s4, calculating an LMU contact force and a DSU contact force under the current time step according to the barge motion data in the step S3, feeding back the LMU contact force and the DSU contact force to the hydrodynamic model, and updating the external load of the barge; and S5, repeating the steps S3-S4 until simulation in the set time step is completed, and then outputting a simulation result. According to the method, precise calculation of dynamic movement of the floating body and precise simulation of complex contact-nonlinear restoring force of the LMU can be considered, and high-precision simulation analysis of the whole floating installation process of the offshore converter station is achieved.

The invention discloses a deep Q network-based networked intersection ecological guidance cooperative control method, and relates to the field of traffic information engineering and control. According to the invention, the problem that the optimal passing efficiency and road right distribution in the intersection cannot be obtained in the prior art is solved. The invention provides a method for carrying out active cooperation on a networked vehicle and an intelligent annunciator, carrying out behavior prediction on an upstream vehicle and responding to a passing demand. The annunciator generates a signal control strategy based on a phase sequence and phase coupling method, considers that a signal state in a future time period participates in control optimization of a current stage so as to avoid short view, and uses DQN optimization solution; the minimum energy consumption is used as target optimization control, decentralized control is adopted to improve the control effect and prediction precision, and an energy consumption model is constructed to evaluate and optimize the vehicle trajectory control effect. Compared with a traditional method, the traffic efficiency of the network connection intersection is improved, the road right fairness of all the flow directions is guaranteed, and the vehicle travel energy consumption is reduced. The method can be applied to network connection intersection control.

The invention relates to the technical field of information engineering knowledge graph construction, in particular to a supervision knowledge graph dynamic modeling method based on multi-source heterogeneous data fusion, and the method comprises the steps: designing a four-dimensional knowledge graph modeling framework, and combining the entity alignment of a graph neural network, the relation extraction of remote supervision and the attribute processing of weight fusion. A dynamic evolution and cross-source consistent knowledge network is constructed, virtual features are generated through a virtual feature compensation mechanism (historical event retrieval and multi-dimensional feature weighted fusion) for a multi-modal data missing scene and mapped to a graph, data are effectively filled, the problem of incomplete knowledge coverage in a complex engineering scene is solved, a compliance entropy evaluation model is introduced, and the knowledge coverage is evaluated. The compliance state of the knowledge graph is quantitatively supervised from the three dimensions of rule coverage rate, data consistency and tracing integrity, and the hysteresis and subjectivity limitation of traditional manual compliance check is broken through.

The invention discloses a single-layer crossed two-dimensional channel logic device, belongs to the technical field of information engineering, and is suitable for a phase inverter Inverter, an OR gate or a NOR gate. Comprising a device back gate, a bottom dielectric layer covering the device back gate and a crisscross channel covering the bottom dielectric layer, the crisscross channel is formed by an N-type channel and a P-type channel which are located on the same channel plane, and the middle crossing part is a common region; the two ends of the N-type channel are in contact with the N-type metal, the two ends of the P-type channel are in contact with the P-type metal, the two ends of the N-type metal are connected with the VOUT and the GND respectively, and the two ends of the P-type metal are connected with the VOUT and the VDD respectively. According to the invention, a corresponding logic function can be directly realized at a single device level, a transistor cascade normal form is broken through, and the bottleneck of integration level, power consumption and speed caused by multi-transistor cascade is eliminated. According to the invention, the single-layer crisscross two-dimensional channel is used for replacing multi-tube cascade connection, so that the logic functions of the phase inverter, the OR gate and the NOR gate are realized.

The present invention belongs to the field of distributed data storage and synchronization in information engineering, and specifically relates to a distributed experience feedback system data offline synchronization system and method. It mainly includes the following steps: application of system eigenvalue algorithm; data set export process based on JSON format; data encryption and decryption process based on eigenvalue algorithm. Its beneficial effect is: adopting a JSON-based data set mode without using SQL mode, supplemented by a data recovery algorithm, each data in the JSON data set is restored and compared with the target system data, so as to achieve the effect of securely merging data and avoid accidental deletion and overwriting of data. The data validity period is also set when the file is exported, and the system also generates a check code based on the validity period and the target system feature code. When importing, the check code can be used to judge the validity period. If the file exceeds the validity period, it cannot be imported, which improves the fault tolerance during a certain import.

This invention discloses a method, apparatus, and related equipment for detecting defects in inkjet-printed OLED dry film, belonging to the field of optoelectronic information engineering. The method uses a laser with a spot size smaller than the pixel slot to irradiate the OLED panel. A detector array consisting of multiple sub-units receives the reflected and scattered light generated after irradiation. Then, the photocurrent intensity of each sub-unit is acquired. The photocurrent intensity of the sub-unit corresponding to the reflection center at the current moment is compared with that at the previous moment. When the change exceeds a first preset range, abnormal sub-units are identified based on their photocurrent intensity. Based on the number, location distribution, and photocurrent intensity of the abnormal sub-units, defects are eliminated or the defect type is determined. This method improves detection efficiency in industrial production scenarios without occupying production time, can be integrated with production cycles, and does not require additional large-scale evaporation or testing equipment. It is an excellent method for improving the overall yield of inkjet-printed OLED panels.

The invention discloses a positioning coordinate conversion system and method suitable for an unmanned formation, and relates to the technical field of unmanned driving, geographic information engineering and Internet of Vehicles cooperative control crossing. The positioning coordinate conversion system suitable for the unmanned formation mainly comprises a vehicle-mounted sensing and computing terminal, a Mercator projection conversion unit and a vehicle-vehicle cooperative control unit, wherein the vehicle-mounted sensing and computing terminal realizes data interaction through a vehicle-mounted bus and a vehicle-vehicle communication network; the vehicle-mounted sensing and calculating terminal is used for positioning data acquisition, projection calculation and reference parameter storage; the Mercator projection conversion unit is used for coordinate conversion; and the vehicle-vehicle cooperative control unit is used for performing identity management of the master and slave nodes in the formation, reference point synchronization and calibration process control. By implementing the positioning coordinate conversion system and method suitable for the unmanned formation provided by the invention, the positioning precision and reliability of a local area can be improved, cooperative calibration of reference points in the formation is realized, and a scene is flexibly adapted.

An information engineering distribution frame comprises a distribution frame body, a connecting line, information engineering equipment, an elastic clamp, a pressing plate, a rotating rod, a rotating sleeve and a lock sleeve, installation supporting plates are arranged on the two sides of the distribution frame body, each installation supporting plate is provided with a fixing plate, the fixing plates are connected with the information engineering equipment, the information engineering equipment is connected with a connector, the connector is provided with the connecting line, and the connecting line is connected with the inner side of an anti-skid pad. Vertical plates are arranged on the two sides of the distribution frame; supporting plates are arranged on the outer sides of the vertical plates; the supporting plates are connected to the exterior of a bearing; a threaded rod is connected to the interior of the bearing, a knob is arranged on the upper portion of the threaded rod, the knob is attached to the supporting plates, and the supporting plates are connected to the exterior of a lock sleeve; a rotating plate is attached to the outer side of the vertical plate, the rotating plate is provided with a plurality of lock grooves, the lock grooves are matched with the lock sleeves, and the lock sleeves are connected with the lock grooves.

The present application relates to the field of transportation information engineering, and more particularly to a traffic hub crowd counting method and system based on multi-scale cross-region graph convolution driving, wherein the method comprises: constructing a crowd counting sequence; constructing three time series density map identification evaluation standards of spatial consistency, time sequence continuity and scale adaptability; proposing a multi-scale cross-region graph convolution network model to train and test the traffic hub crowd counting; and performing instance verification of the traffic hub crowd counting. The proposed model is applied to a series of empirical data sets for training and testing, which proves that it can achieve better demand prediction performance than the baseline model.

1. The name of the design product: probe (information engineering). 2. The use of the design product: for environmental monitoring and data acquisition. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

This invention relates to the field of traffic information engineering and control technology, and is a parallel dual-master redundancy switching system for track electronic actuators and its implementation method. The system includes a Series I track electronic actuator, a Series II track electronic actuator, and a wiring backplane. Both Series I and Series II track electronic actuators are plugged into the wiring backplane. By setting up a parallel dual-master redundancy switching system for Series I and Series II track electronic actuators, the track status information collected by both systems is the same when the two systems collect current, ensuring consistency. Moreover, the parallel dual-master redundancy switching system has the same matching impedance and consistent acquisition circuit parameters under different operating states such as dual-system and single-system (except when both systems are faulty), eliminating the problem of asynchronous states between the two systems after impedance matching, and reducing the influencing factors on the acquisition of track section status.

The invention relates to the technical field of computer science and information engineering, in particular to a mobile edge computing task unloading optimization method and device, and the method comprises the following steps: S1, carrying out environment modeling: constructing a graph enhancement state space, constructing an action space, and setting a causal demand award function; s2, constructing a neural network structure, wherein the neural network structure comprises a strategy network and a Q network; s3, performing algorithm training: firstly configuring environment parameters and initializing network parameters, secondly performing environment interaction and experience storage, and finally performing network updating and loop iteration; and S4, after training in the S3 is completed, deploying the final strategy network into the dynamic mobile edge computing system for real-time task unloading decision, and embedding vectors for the graph.

The utility model provides a bunching device for information engineering line layout, which relates to the technical field of line layout and comprises a mounting block, a through groove is arranged on one side surface of the mounting block, a mounting cavity is arranged inside the mounting block, and limiting rods which are symmetrically distributed are fixedly connected to the inner bottom wall of the mounting cavity. One ends of the two limiting rods are fixedly connected with the inner top wall of the mounting cavity, the outer surfaces of the two limiting rods are movably sleeved with movable plates, through arrangement of the limiting rods, the movable plates, connecting rods, driving blocks, supporting springs, guide rods, lifting plates and inclined plane positioning blocks, automatic limiting and fixing of the cable tie are achieved, the line laying efficiency is improved, and the labor intensity of workers is reduced. And in addition, the cable tie can be disassembled and recycled conveniently, the labor force of workers is reduced, and the effect of repeated use is achieved.

This invention proposes an information-based engineering supervision method and system based on big data. The method includes: acquiring a set of supervision record data and engineering stage identifier data; based on the engineering stage identifier, generation timestamp, and record type of each supervision record, combined with the boundaries, order, and allowed record types of the engineering stages, selecting records that meet the conditions of stage consistency and prior existence to form a set of usable supervision records; merging records according to the order of engineering stages, and sorting them according to timestamp and record identifier within each stage to construct a supervision process representation structure; based on this structure, performing coverage and order consistency checks on the set of necessary engineering stages corresponding to the target supervision conclusion, generating a determination result of the validity of the supervision conclusion; and outputting the engineering supervision handling status accordingly, controlling the progress or locking of engineering stages, and improving the automation and traceability of supervision.

The invention relates to the technical field of surveying instruments, in particular to an information engineering surveying instrument with an automatic calibration component, comprising: a measuring head, the bottom of which is provided with a support rod and a gravity ball; a round ball is arranged in the circular ring, a fixing rod is arranged outside the circular ring, an outer ring is arranged at the end of the fixing rod, a U-shaped ring is arranged outside the outer ring, an inflation pipe is arranged in the U-shaped ring, and a connecting pipe is arranged on the surface of the inflation pipe. The screw joint ring is arranged in the circular ring; the device has the beneficial effects that a screwing ring is jacked in a jacking groove in the surface of a jacking rod after descending, so that the jacking rod is stably jacked on the surface of a ball, a jacking block at the end part of a swinging rod is jacked on the surface of an outer ring under the pushing of an elastic plate, and rubber strips are arranged on the surface of the outer ring and the bottom of the jacking block, so that the screwing ring is stable.

The present application relates to traffic information engineering and control technology field, it is a kind of track electronic execution unit parallel double main redundancy backplane switching system and implementation method, its system includes I series track electronic execution unit, II series track electronic execution unit, wiring backplane, track circuit matching impedance, relay one and relay two, I series track electronic execution unit, II series track electronic execution unit, track circuit matching impedance, relay one and relay two are all plugged on wiring backplane;The present application is by redundant way using I series track electronic execution unit and II series track electronic execution unit simultaneously acquires track section state, and track section state information is synchronously uploaded, when one series fails or pulls out module, since the track input impedance matching characteristics of redundant system does not change, another series can work normally, always have two series or one series to keep normal acquisition, to ensure the reliability of track state acquisition and data.

The invention relates to the technical field of information consultation, in particular to a blockchain-based information engineering consultation service verification system, which comprises a data acquisition module, a data analysis module, a label construction module, a data judgment module and a data priority processing module, the data analysis module performs rationality analysis on the engineering consultation data, determines whether the engineering consultation data meets a reasonable standard, sets a label by using the label construction module and determines a data storage state, and the data judgment module judges whether a consultation type of the engineering consultation data needs to be adjusted based on a consultation type matching value. The project consultation data is stored in the consultation database of the corresponding consultation type, the data priority processing module determines whether the data processing priority of the project consultation data is improved, and by analyzing and processing the project consultation data, the space utilization rate of the data storage space and the data processing efficiency are improved.

The present invention relates to the field of transportation information engineering, and discloses a lane-level mixed traffic collaborative control method and system based on deep reinforcement learning. The method takes into account the flow rate difference and speed difference between lanes, and is embedded in the reward and punishment function of deep reinforcement learning. According to the distribution of mixed traffic in different lanes, a lane-level double-layer network control strategy is constructed, which allows it to dynamically generate different vehicle speed limits for each lane based on the traffic flow, speed and relationship between the current lanes. The deep reinforcement learning model is used to perform feedback optimization at each moment, continuously adapt to traffic changes, and thus accurately respond to the operating needs of each lane, and is empirically studied. The deep reinforcement learning model can achieve a lane-level mixed traffic collaborative control effect that is better than the baseline model, can effectively alleviate the congestion situation in the merging area of ​​the highway, and has cross-scenario applicability.

The utility model discloses a geographic information engineering surveying and mapping frame, and belongs to the technical field of surveying and mapping. Comprising a surveying and mapping installation disc, one end of the surveying and mapping installation disc is fixedly connected with an adjusting column capable of being telescopically adjusted, the adjusting column is connected and limited through a jackscrew, a reinforcing frame is fixedly connected between the adjusting column and the surveying and mapping installation disc in an annular equal-interval structure, and supporting legs capable of being flexibly telescopically adjusted are installed in the reinforcing frame in a hinged mode; and expanding supporting legs are hinged to one sides of the supporting legs, connecting hinged supports are hinged to the other ends of the multiple expanding supporting legs, and adjusting screw rods are rotationally connected into the connecting hinged supports. Through cooperation of the adjusting columns, the supporting legs, the expanding supporting legs and the adjusting screw rods, the formed support structure can be of a plurality of triangular structures for supporting and limiting, the supporting and using stability of the support structure is enhanced, and through cooperation of the adjusting screw rods, the adjusting columns capable of being telescopically adjusted and the supporting legs, the supporting angle of the support can be adjusted and controlled; and the supporting and using stability of the bracket structure is further improved.

An information engineering wiring structure comprises a wiring base, a pressing plate, a locking plate, a taper sleeve, an inserting cylinder, an outer fixing plate, a threaded rod and a fastening retaining ring, the wiring base is provided with a plurality of fixing supporting plates, wire grooves are formed in the fixing supporting plates and matched with cables, the wire grooves are connected with the cables, the cables are connected with the inner side of a rubber pad, and the outer side of the rubber pad is connected with the fixing supporting plates. The lower portion of the pressing plate is provided with a rotating rod, the rotating rod is connected with the interior of a bearing, the exterior of the bearing is connected with a wiring base, the wiring base is attached to a limiting circular plate, the limiting circular plate is connected with the rotating rod, the two sides of the wiring base are provided with fixing vertical plates, the two sides of the pressing plate are provided with positioning vertical plates, and the fixing vertical plates are connected with the positioning vertical plates. The fixing vertical plate is provided with an inserting cylinder penetrating hole, the positioning vertical plate is provided with an inserting cylinder groove and an inserting cylinder penetrating hole, the inserting cylinder groove is matched with the inserting cylinder, and the inserting cylinder penetrates through the inserting cylinder penetrating hole and is connected with the inserting cylinder groove.

The invention relates to a communication information storage system for information engineering, which belongs to the technical field of information engineering, and comprises a state quantification unit, a dynamic distribution unit, a dynamic distribution unit and a dynamic distribution unit, and is used for generating a dynamic distribution proportion based on a comprehensive risk factor calculated by the state quantification unit, a preset risk trigger threshold value and a preset distribution sensitivity index; and the I / O execution gateway is used for redirecting the newly added I / O request from the main storage layer to the elastic buffer layer according to the dynamic shunting proportion generated by the dynamic shunting unit so as to reduce the instantaneous I / O queue depth and the average I / O delay of the main storage layer, thereby forming a real-time negative feedback regulation closed loop. By accurately quantifying the risk and carrying out dynamic I / O shunting, the peak clipping effect on the load of the main storage layer is realized, so that the system can bear the average load by using economical hardware with lower cost, and meanwhile, the peak load is dealt with by depending on the high-performance elastic buffer layer.

The invention discloses a building method for collecting and automatically inputting urban components to build a database, belongs to the technical field of geographic information engineering, effectively solves the problems of low data processing efficiency and consistency, and realizes integrated management of map database data. In order to solve the problem of difficult data matching caused by asynchronous field structure adjustment and non-uniform format standards in collection and database building links in the prior art, the method depends on a relational database and an EPS platform template control technology to construct an association attribute system of extension attribute-field information contrast-layer attribute contrast, so that the uniform whole process of the field structure is ensured, and the data matching efficiency is improved. The template supports flexible modification of entity coding and symbolization expression, format standard change can be synchronously updated through the template, mismatching of image library data is avoided, an automatic input system automatically matches the data according to a preset template, three-in-one associated storage of vector data, attribute information and photo information is ensured, and the efficiency is improved. And the problem that data formats and field structures are inconsistent is solved from the source.

The utility model relates to the technical field of electrical information engineering, and provides a novel filter, which comprises a main body, the main body comprises a shell and a connecting seat, the inner cavity of the shell is provided with a filter body, the outer side wall of the shell is provided with a binding post, the surface of the connecting seat is provided with a plurality of limiting grooves, and the inner cavity of each limiting groove is provided with an elastic buckle assembly. Each elastic buckle assembly comprises a rotating shaft rotationally connected to the inner wall of the corresponding limiting groove, and the lower surface of each rotating shaft is fixedly connected with a push block. The purpose of quick disassembly is achieved in the mode that the elastic buckle assemblies are arranged, modular assembling and splicing design is adopted, and the elastic buckle assemblies are matched with the elastic buckle assemblies, follow-up maintenance is facilitated, and during disassembly, the elastic buckle assemblies are not prone to falling off. The push block is deflected outwards to push the push block, the push block drives the rotating shaft to rotate in the limiting groove, the rotating shaft drives the L-shaped plate to deflect and stretch the reset spring, the shell and the connecting base are separated to achieve the purpose of quick release, follow-up maintenance is facilitated, and the practicability of the device is improved.

A novel information engineering signal antenna stabilizing device comprises a first antenna protective sleeve, a second antenna protective sleeve, a first auxiliary connecting seat and a second auxiliary connecting seat, one side of the first antenna protective sleeve is connected with the second antenna protective sleeve, and the lower portion of the first antenna protective sleeve is provided with the first auxiliary connecting seat. The outer side of the first auxiliary connecting seat is provided with a plurality of first fixing connecting seats, the first fixing connecting seats are evenly distributed on the outer side of the first auxiliary connecting seat, the lower portion of the second antenna protection sleeve is provided with a second auxiliary connecting seat, and the first antenna fastening sleeve and the second antenna fastening sleeve play a role in fastening and supporting an antenna. The antenna is firmly and automatically fixed in the middle of the first antenna protection sleeve and the second antenna protection sleeve, manual adjustment is not needed, clearance is avoided, positioning is accurate, operation is easy, and the structure is reasonable.

The invention discloses a road network historical vehicle speed sequence adaptive attention prediction method and system, and belongs to the field of traffic information engineering. The method comprises the following steps: firstly, collecting vehicle speed historical data and performing preprocessing, performing local feature extraction and short-term dependency modeling on original data by using a bidirectional LSTM network, and then outputting and transmitting LSTM to a Transformer encoder through position encoding so as to capture global and long-term dependency relationships in the data; secondly, a self-adaptive attention mechanism is introduced, and the attention weight of each time step is dynamically adjusted, so that the model can flexibly screen key information according to input features and historical states; and finally, through a Transform decoder and full connection mapping, an accurate prediction result is generated. According to the method, the attention on different time steps can be dynamically adjusted according to the input characteristics and the historical state, so that the short-term characteristics are considered while long-term dependence is captured, and accurate long-term prediction of the historical vehicle speed of the road network is realized.