1266 results about "Transmission technology" patented technology

The invention relates to the technical field of data encryption and transmission, in particular to a power grid cross-domain operation and maintenance data secure transmission method and system based on encryption, and the method comprises the steps: pre-judging a current risk through a historical network security event, dividing a network environment into different risk intervals based on a risk level evaluation value, encryption strategies with different intensities are correspondingly matched, so that refined security management and control with higher risk and stronger protection are realized; a triple progressive identity authentication system of an equipment layer, a dynamic layer and a biological layer is constructed, a dynamic permission management and control mechanism driven by identity attributes and risk levels is constructed, a basic permission boundary is determined based on inherent identity attributes of an operation and maintenance terminal, and permission strength and validity period are dynamically adjusted in combination with a risk level evaluation value. And finally, generating an access control strategy only adapted to the current terminal, the current risk and the current access request, so as to perform data encryption and transmission through the target encryption strategy and the access control strategy, thereby ensuring the security of data transmission.

The invention relates to the technical field of audio and video emergency transmission, and discloses an audio and video low-delay return method and system in an extreme environment. The method comprises the following steps: acquiring original multi-modal data of audio and video acquisition equipment in a target area, and analyzing a data state of the original multi-modal data; and meanwhile, available network transmission links are monitored, and the quality is evaluated. Self-adaptive coding parameters are generated in combination with the link quality and the data state, dynamic coding is executed on original data, and a coding stream suitable for redundant transmission is formed. And carrying out cooperative distribution transmission based on the network link set and the coded stream to generate return data. According to the generation process, a device and energy management instruction is formed and issued to the acquisition and relay device. According to the method, the network state and the content characteristics are optimized in a dynamic coding link in a collaborative manner, and the audio and video quality, the real-time performance and the system energy efficiency which are transmitted back in an extreme environment are improved through a feedback closed loop for transmitting a result to equipment management.

The invention relates to the technical field of satellite communication data transmission, and discloses a satellite communication data transmission system of Internet of Things equipment. The environmental parameter acquisition module of the system is responsible for comprehensively acquiring various environmental parameters of the Internet of Things equipment in satellite communication and providing basic data for subsequent analysis. The learning model construction module establishes a data transmission prediction model by using the parameter data. And the transmission quality prediction module estimates the transmission quality of the satellite channel by means of the model. And the data behavior simulation module simulates the dynamic behavior of the data packet in the channel according to the transmission quality estimation result. And the communication scheme optimization module generates a final transmission strategy according to the simulation result and a preset communication target. Through close cooperation of the modules, the system achieves accurate prediction of satellite channel transmission quality, effective simulation of data packet behaviors and optimization of a communication scheme, and plays an important role in data transmission of the Internet of Things.

The embodiment of the invention provides a flexible circuit board and electronic equipment, relates to the technical field of signal transmission, and is used for relieving the problem of relatively high signal loss of an FPC (Flexible Printed Circuit) caused by electromagnetic shielding. The flexible circuit board may have a first region and a second region. A reference layer of the flexible circuit board is located in the first area, and the reference layer and the signal layer are stacked. The first shielding layer is located in the first area, and the first shielding layer is stacked on the side, away from the reference layer, of the signal layer. The second shielding layer is located in the second area, and the second shielding layer and the signal layer are stacked. The first grounding wire is electrically connected with the first shielding layer and the reference layer. The first grounding wire is also electrically connected with the second shielding layer. A backflow signal of a signal transmitted by the signal line in the signal layer can flow through the first grounding line from the second shielding layer in the second area, and respectively flows into the first shielding layer and the reference layer in the first area.

The invention provides a video coding and compression transmission method for intelligent equipment, which belongs to the technical field of video coding and compression transmission, realizes advanced channel quality estimation by establishing a channel prediction model enhanced by a spatial transformation network, configures layered coding parameters according to a prediction result and optimizes motion search in combination with inertial measurement unit data. An optimal coding mode is selected by an application rate distortion optimization algorithm, enhancement layer sending is adjusted according to real-time feedback by adopting a dynamic transmission scheduling strategy, and differential forward error correction protection and a time-space domain error concealment mechanism are matched; the technical problem that video transmission is unstable due to violent fluctuation of channel quality when intelligent equipment moves and works in complex electromagnetic environments such as a transformer substation is solved.

The present application belongs to the field of transmission technology, and discloses a multi-base station cooperative wireless energy supply energy efficiency evaluation optimization method and system and an electronic device. The present application constructs a passive Internet of Things system model of multi-wireless energy supply base station cooperative energy supply passive energy device; according to the passive Internet of Things system model, the statistical average energy collection efficiency of the passive Internet of Things system is defined, and the statistical average energy collection efficiency is taken as an evaluation index of the energy efficiency of multi-base station cooperative wireless energy supply; an optimization problem of maximizing the statistical average energy collection efficiency is constructed; the optimization problem is solved to obtain power distribution information of the multi-wireless energy supply base station corresponding to the maximization of the statistical average energy collection efficiency; and the multi-base station cooperative wireless energy supply is configured and optimized according to the power distribution information. The present application can meet the demand of multi-base station energy supply for long-term reliability of energy efficiency in practical application.

The invention discloses a landscaping engineering construction dust fall device, and relates to the technical field of construction dust fall, the landscaping engineering construction dust fall device comprises a spraying table, a rotary table is fixedly connected to the upper end of the spraying table, a cleaning mechanism is arranged at the upper end of the spraying table, a supporting mechanism is arranged on the surface of the rotary table, and the rotary table comprises a spraying cylinder rotationally connected to the upper end of the rotary table; a first supporting seat is fixedly connected to the upper end of the spraying table, a first rotating sleeve is rotatably connected to the inner wall of the first supporting seat, a missing gear is fixedly connected to the side end of the first rotating sleeve, a rotating rod is rotatably connected to the upper end of the spraying table, and an upper bevel gear is fixedly connected to the surface of the rotating rod. By adopting the reversing transmission technology that the first rotating sleeve and the missing gear are matched with the upper helical gear and the lower helical gear of the rotating rod, the spraying barrel can be driven to achieve stable periodic reciprocating swing, the limitation of fixed angle or one-way rotation of traditional spraying equipment is broken through, the coverage range of water mist is greatly expanded, and distribution is more uniform.

The invention relates to the technical field of Ethernet communication and digital information transmission, and discloses an Ethernet-based time synchronization acquisition method, device and equipment and a medium, and the method comprises the steps: obtaining initial network time based on a network time protocol and a precise time protocol; recovering the synchronous clock signal from the Ethernet physical layer signal and generating a trigger pulse signal aligned with a second boundary to generate second-level reference time; the trigger pulse signal and the synchronous clock signal are used for executing high-frequency counting accumulation to generate nanosecond-level fine time; performing frequency division processing on the synchronous clock signal based on the sampling rate configuration parameter to obtain a sampling driving clock; the analog-to-digital conversion unit is triggered at the effective jump edge of the sampling driving clock to sample and latch nanosecond-level fine time to generate a sampling timestamp, and the sampling timestamp is output in combination with sampling data. According to the method, time recovery, time refinement and sampling time locking are realized through a unified time base, so that sampling action and time counting are accurately aligned, and the data synchronization precision and consistency of distributed acquisition nodes are improved.

The invention discloses an eddy current data compression transmission optimization method, relates to the technical field of data compression transmission, and solves the technical problems that a compression algorithm lacks scenario adaptation and data transmission lacks priority and link adaptation. Scene demand-algorithm characteristic accurate matching is achieved, compressed data overall reconstruction errors and defect area reconstruction errors are reduced, delay and compression ratio requirements of different scenes are met, data priorities are judged in a multi-dimensional mode, it is ensured that defect data acquisition resources are inclined, key information is prevented from being lost, and the method is suitable for large-scale popularization and application. A transmission protocol is optimized for a short / medium / long distance scene, the protocol adaptability and the transmission efficiency are improved, a transmission scene-link state-data priority three-dimensional linkage transmission strategy is constructed, the bandwidth occupation proportion is dynamically adjusted, core data are preferentially transmitted when links are congested, and resources are fully utilized when the links are idle.

The invention relates to the technical field of industrial robot data acquisition and transmission, in particular to a welding robot behavior recording system integrating edge acquisition and cloud management, which comprises the following modules: an edge end data acquisition module for acquiring the state of a welding robot and sensor data in real time, and performing time alignment and validity processing, generating edge end data; the data preprocessing module is used for optimizing the edge end data and unifying the data format to form preprocessed data; and the local storage management module is used for carrying out hierarchical storage and index management on the preprocessed data according to the data access frequency and importance. According to the invention, through a breakpoint continuous transmission mechanism of cooperation of the edge end and the cloud end, fragmentation and recording of the transmission progress in the data transmission process are realized, continuous transmission is only performed on the uncompleted fragmentation after the network is interrupted, meanwhile, sorting and integrity verification are performed on the received fragmentation at the cloud end, and reliable uploading of large-capacity data in a complex network environment is realized.

The invention relates to the technical field of embedded system development and verification, and discloses an embedded software full-digital excitation deployment method, system, device and medium, and the method comprises the steps: based on a virtualization modeling technology of a multi-core heterogeneous system, simulating a CPU architecture, an operating system, board card peripherals and peripheral interfaces of a target processor, constructing a general digital target machine; a cross-platform communication framework is established based on a real-time communication transmission technology of direct digital frequency synthesis, and real-time synchronization of data of a virtual environment and an interaction object is completed; and through cooperation of the general digital target machine and the cross-platform communication framework, full-digital deployment and verification of the embedded software are completed. According to the method, full-digital development and verification of the embedded software can be realized, a research and development mode of parallel hardware development, software development and system function verification is met, and the research and development efficiency of the embedded software is improved.

The invention provides an NoC low-delay data transmission method based on a dynamic routing algorithm, relates to the technical field of data transmission, and aims to solve the technical problems that an existing NoC routing algorithm cannot adapt to a link dynamic load, is lack of congestion trend prejudgment, is slow in path search convergence and is insufficient in QoS differential scheduling. The method comprises the following steps: constructing a dynamic sensing module containing a double-branch LSTM time sequence prediction model, collecting states such as link bandwidth and queue length in real time, and predicting a congestion trend in 50-100ms in the future; constructing a multi-objective evaluation function taking delay as a core, and dynamically adjusting the weight according to the QoS level; solving an optimal path by adopting an improved ant colony algorithm which introduces a congestion penalty and pruning strategy; during transmission, dynamic reselection is triggered through a pre-calculation + fast matching mechanism; and iteratively optimizing the prediction model based on incremental learning. According to the method, congestion is avoided in advance, the path search efficiency and the transmission reliability are improved, the delay is remarkably reduced compared with a traditional algorithm, and the method is adaptive to delay sensitive scenes such as a high-performance processor and an AI chip.

The invention discloses a provincial and regional power transmission network cooperative control method, system and device and a medium, and relates to the technical field of power transmission, comprising the steps of monitoring a network in real time, identifying fault nodes and analyzing propagation, evaluating an influence range and resource availability, optimizing standby resource scheduling, and generating a calling priority in combination with load balancing. Cross-level permission allocation is adjusted through load difference analysis, a standby path is analyzed to determine a convergence acceleration sequence, real-time flow and sequence are combined, flow is reallocated to balance loads, resource scheduling parameters are dynamically adjusted, a resource calling and path switching sequence is iteratively optimized, and historical data feedback is utilized to realize resource scheduling. And generating a final resource allocation and path switching scheme. According to the method, a provincial and regional power transmission network cooperative control closed loop is constructed, the fault recovery speed, the resource utilization efficiency and the system toughness are improved, and the problems of response lag, resource waste and insufficient adaptability of a traditional method are effectively solved.

The invention relates to the technical field of wireless electric energy transmission, in particular to a wireless charger transmission efficiency optimization method and system, and the method comprises the following steps: collecting frequency current fluctuation, extracting stable frequency, monitoring direction change, switching a transmission path, and improving the transmission efficiency. According to the invention, precision judgment is carried out on the basis of dynamic identification of frequency point fluctuation characteristics, automatic extraction of stable frequency is realized in combination with a fluctuation decreasing trend, time sequence monitoring of main path current polarity change is matched, a section with maximum direction change fluctuation is identified, and a path path is reset in time. The active response capability to an unstable transmission state is improved, the accuracy and timeliness of a path switching condition are enhanced by depending on a dual judgment mechanism of frequency and current data, energy loss caused by abnormal main path direction is effectively reduced, the continuity of a path replacement process and the stability of current output are improved, and the reliability of path switching is improved. And the data closed-loop regulation effect in the frequency selection and path updating process is enhanced.

The invention provides a method, device, apparatus, and storage medium for determining the overload boundary of MMC, which belongs to the field of DC transmission technology. The overload operation boundary of the MMC may be accurately determined, which is helpful to set the load level of the MMC reasonably in the design and operation process to ensure safe and efficient operation.

The invention provides an intelligent gridding comprehensive anti-misoperation locking system for a power distribution network, and the system comprises an optimization module which achieves the hierarchical decoupling design of the system through a distributed communication middle platform, an intelligent logic analysis engine and a programmable execution control unit. The deployment module is used for modularly deploying functional components based on the micro-service architecture, reducing the system coupling degree by using an asynchronous message queue as a cross-component communication bus in combination with a domain event-driven mechanism, and completing local logic judgment at an edge computing node through an FPGA (Field Programmable Gate Array); the network reinforcement module is used for constructing a heterogeneous communication network and guaranteeing the communication quality through a dual-channel redundancy transmission technology; the intelligent decision-making module is used for forming a self-adaptive decision-making model based on reinforcement learning and a knowledge graph technology; and the digital twinning verification module is used for establishing a power grid virtual mapping system through a digital twinning technology. Cooperation among modules of the system can be balanced, instruction processing time delay is shortened, communication reliability is improved, and efficient implementation of an operation scheme is guaranteed.

The invention discloses a mechanical arm wireless energy transmission method and system with a direction neutralization strategy, and relates to the technical field of wireless energy transmission. Receiving a magnetic field signal through a passive sensing module, extracting three-dimensional coordinates, directions and energy states of nodes in combination with node feedback, and constructing a three-dimensional space layout diagram; the low-power-consumption intelligent control module judges an energy supply scene and calculates an optimal alignment attitude of a coil in a single-source scene, and a multi-source scene divides an energy supply area through clustering, calculates a geometric center, finely adjusts the direction according to node energy and power weight, and screens an unshielded suboptimal path according to an obstacle avoidance scene; the control module sends an instruction to the mechanical arm servo system and the coil driving module, and a coil is adjusted to a target posture and structure; and comparing the data with the optimal value, preferentially storing energy for the low-electric-quantity nodes, and timely correcting the attitude for the nodes with sufficient energy. According to the method, through passive sensing, a direction neutralization strategy and dynamic correction, the transmission efficiency and the energy supply reliability are improved, and the multi-scene wireless energy transmission requirement is met.

The invention provides a component high-frequency signal transmission quality prediction and optimization method and system, and relates to the technical field of signal transmission, and the method comprises the steps: extracting the attenuation change rate of each frequency band based on the frequency domain characteristics and transmission path physical characteristic parameters of a to-be-transmitted signal of a component, and building a correlation function with a frequency band boundary position; calculating a transmission path terminal prediction loss spectrum and determining a compensation gain coefficient; performing frequency selective amplitude adjustment on the to-be-transmitted signal; and an actual received signal is collected and compared with the target frequency domain amplitude distribution, and the correlation function is updated. According to the invention, accurate prediction and adaptive optimization of high-frequency signal transmission quality are realized, and signal transmission integrity is improved.

The invention relates to the technical field of anti-interference transmission, in particular to an anti-interference transmission optimization method and system for building structure health monitoring signals. According to the method, a building structure dynamic response signal is collected through a distributed wireless sensor and digital processing is completed; deploying a lightweight imitation learning model at a local control end, performing interference mode identification on a transmission channel of monitoring data, and extracting interference features; generating a self-adaptive anti-interference transmission strategy according to the interference characteristics, and stably transmitting the monitoring data to a central server to realize multi-node data fusion and health state evaluation; and finally, performing parameter updating on the simulation learning model according to a health evaluation result returned by the server, thereby realizing high-reliability anti-interference transmission and self-adaptive optimization of the building monitoring signal. According to the invention, the effective transmission rate and the data perfectness rate of building structure health monitoring signals in a complex interference environment are improved, and the signal transmission reliability and the intelligent level are effectively improved.

The invention is suitable for the technical field of electric energy transmission, and provides an SWPT system frequency adaptive regulation and control method and system based on environmental perception, and the method comprises the steps: obtaining the output current data of high-frequency electric energy, and obtaining the first current data; determining an initial frequency disturbance step length in combination with the collected environmental parameters; applying disturbance to the output frequency according to the initial frequency disturbance step length, and collecting output current data after disturbance to obtain second current data; the change trend of the two current data is analyzed, and the deviation direction of the current working frequency and the system resonant frequency is judged; adjusting the output frequency according to a frequency control instruction generated in the deviation direction, and enabling the current working frequency to approach the resonant frequency; current data is continuously updated, and in combination with environment parameters collected in real time, the working frequency tracks resonant frequency drift caused by environment change through iteration; and the environmental adaptability, the energy transmission efficiency and the overall reliability of the single-line electric energy transmission system are effectively improved.

The invention relates to the technical field of communication transmission, and particularly discloses an anti-electromagnetic interference high-speed transmission data wire harness system and a data wire harness, and the system comprises an electromagnetic environment monitoring module, an interference characteristic analysis module, an interference situation prediction module, a transmission parameter decision module and a transmission execution control module. The method comprises the following steps: acquiring an electromagnetic interference spectrum and transmission quality parameters in real time, and performing feature extraction by using wavelet packet transformation to generate an environment state vector; predicting a future interference situation based on a gradient boosting decision tree model; establishing a dynamic mapping relation between interference intensity and transmission parameters according to a prediction result, and generating a configuration scheme comprising a coding scheme, a power adjustment mode and a modulation mode; parameter switching is executed, transmission quality is verified, and closed-loop control is formed; according to the invention, the technical transformation from passive shielding to active prediction adaptation is realized, the hysteresis problem in coping with complex electromagnetic interference in the prior art is solved, and the reliability of data transmission is improved.

The invention discloses a disaster recovery switching method and device for a vehicle management system and a storage medium, and relates to the technical field of digital information transmission, and the disaster recovery switching method for the vehicle management system comprises the steps: responding to a region fault alarm triggered for a fault region, executing a main and standby database switching action based on the databases of the fault area and the to-be-transferred area; in response to operation and maintenance input for the fault area, updating a target protocol address and a target area address, corresponding to a to-be-transferred area, of each vehicle type on the basis of the to-be-transferred area indicated by the operation and maintenance input; and controlling the cluster management platform of the fault area to disconnect the service connection with each vehicle type based on the fault protocol address. The technical effect of improving the fault service recovery efficiency of the server area can be achieved.

The invention relates to the technical field of cross-border data secure transmission, and particularly discloses a semantic analysis-based cross-border data secure transmission method, which comprises the following steps of: dividing a sender credit investigation level through a multi-source credit investigation acquisition and semantic analysis model; the method comprises the following steps: preprocessing to-be-transmitted multi-modal data, and classifying the data through semantic alignment; matching transmission authority according to credit investigation levels and data types, separating transmittable data according to core / non-core data, and performing hierarchical encryption according to sensitive types of the data; data are transmitted through a cross-border private line of a TLS1.3 protocol, a sliding window and a retransmission mechanism are combined, and the integrity is verified by adopting a Hash algorithm. According to the invention, compliance dynamic adaptation is realized, protection precision and reliability are improved, and safety and efficiency are balanced.

The invention discloses an omnidirectional wireless electric energy transmission device, and belongs to the technical field of wireless electric energy transmission. The device comprises a regular octahedron framework and a transmitting coil which is continuously and unidirectionally wound along the edge of the regular octahedron framework, and the winding directions of adjacent triangular frameworks are opposite so as to generate an enhanced magnetic field which is matched with a first resonance compensation network and a high-frequency power supply system to work. A receiving end adopts three groups of coil units which are orthogonally arranged in the same plane and are mutually isolated to form a receiving coil, and each group is connected with an independent second resonance compensation network to form a resonance rectification branch. According to the structure, an omnidirectional uniform magnetic field is generated through unique regular octahedron coil arrangement, so that receiving equipment can be efficiently charged at any angle and position in a large range, and the structure has high tolerance to rotation and offset. The planar orthogonal receiving coil can capture more magnetic flux in a three-dimensional space, the transmission efficiency is improved, cross coupling is effectively restrained, and meanwhile the planar orthogonal receiving coil can be conveniently integrated in a mobile phone, a computer and other devices through the flat design.

The invention discloses a millimeter wave waveguide transmission loss compensation method, which relates to the technical field of millimeter wave waveguide transmission and comprises the following steps of: monitoring multi-dimensional transmission loss in real time: acquiring electrical parameters such as signal amplitude and phase and parameters such as temperature, humidity and structural deformation to ensure data time synchronization; a loss mechanism layering analysis step: distinguishing three types of loss proportions, and determining dominant factors; a self-adaptive compensation strategy matching step: selecting an exclusive or cooperative compensation mode according to the loss type; a dynamic compensation parameter optimization step: adapting a signal frequency to adjust device parameters; a real-time feedback and fine tuning step: comparing signal quality dynamic correction parameters; and a closed-loop iterative optimization step: constructing a mapping model for iterative updating to form a whole-process closed loop. According to the invention, accurate and efficient compensation of millimeter wave waveguide transmission loss is realized, and signal transmission stability and environment adaptability are improved; the system has quick response and long-term operation reliability, and provides support for large-scale application of the millimeter wave technology.

The invention provides a dynamic wireless power supply system transmitting end power distribution network and a switching control method thereof, and belongs to the technical field of wireless power transmission. The invention aims to solve the problems that a significant current is induced in a non-working guide rail due to coupling of adjacent guide rails in a parallel LCC compensation topology of a high-power dynamic wireless power supply system and a relatively large voltage and current peak is generated in a loop when a switch is switched. The transmitting end power distribution network comprises a transmitting end, a guide rail circuit, a rectifying circuit and a load. The switching control method comprises the following steps: dividing the work of a power distribution network of a transmitting end into a first working state to a fifth working state according to the on-off states of a main switch and an auxiliary switch, setting transmitting end and receiving end partial harmonic equivalent inductors of partial harmonic of the transmitting end and the receiving end, and adjusting the partial harmonic degree of the transmitting end according to the coupling degree between guide rails, and according to the input impedance of the transmitting end and the equivalent resonance impedance reflected to the transmitting end by the receiving end, adjusting the partial resonance degree of the receiving end, and repeating the working double tires to realize inversion soft switching.

The invention relates to the technical field of signal transmission, in particular to a dual-frequency signal self-adaptive switching transmission method, which comprises the following steps of: synchronously acquiring dual-frequency signals and performing time-space alignment, establishing three-level priorities, dynamically adjusting evaluation index weights based on service types, comparing dual-frequency quality evaluation values in real time, and issuing a switching instruction to synchronously adjust radio frequency parameters. Caching service data during switching, and retransmitting the data after stable connection is established; and monitoring the signal quality and the transmission state after switching, dynamically adjusting the scheduling strategy, and evaluating the weight and the threshold value. According to the method, a closed-loop optimization mechanism is formed by recording the processing duration, the computing power occupancy rate and other data and dynamically optimizing the configuration parameters, an actual operation scene is continuously adapted, and the real-time performance and reliability of multi-protocol compatibility are further improved.

The present invention relates to the technical field of wireless power transfer (WPT). Specifically disclosed is a WPT system for realizing constant current and constant voltage output on the basis of a variable-structure hybrid topology. A variable-structure hybrid topology is designed, wherein input ends of CLC-S-type and S-CLC-type topologies are connected in series, and output ends of the CLC-S-type and S-CLC-type topologies are connected in parallel to form a front-stage circuit which is mainly used for improving the system misalignment tolerance; on this basis, a variable-structure T-type compensation topology is incorporated at an output end to form a rear-stage T-type circuit, and constant-current / constant-voltage switching is achieved by changing the structure of the rear-stage T-type circuit. Moreover, in order to improve the system misalignment tolerance, a system compensation parameter is designed. Experiments have verified that the WPT system for realizing constant current and constant voltage output on the basis of a variable-structure hybrid topology provided by the present invention can realize constant-current / constant-voltage switching, and has high misalignment tolerance in both a constant voltage mode and a constant current mode.

The invention belongs to the technical field of deterministic transmission, and particularly relates to a deterministic transmission method for a time division multiplexing passive optical network in computing power-power cooperative communication network networking, which comprises the following steps of: acquiring and identifying all time delay sensitive flows accessed to a TDM-PON (Time Division Multiplexing-Passive Optical Network), and pre-classifying periodic flows; clustering the similar periodic flow to form a shaping flow, and distributing a shaping window; calculating the least common multiple of all shaping flow periods as a super period; in a super cycle, an integer linear programming model is adopted to complete initial optimization time window distribution; carrying out secondary sorting and conflict elimination on the overlapped transmission windows, and scheduling the shaping stream by using the transmission windows after secondary optimization; the non-periodic flow is scheduled by using the idle time slot in the over-period; and continuously multiplexing a super-cycle scheduling scheme to complete a deterministic transmission process. According to the invention, high scheduling success rate, millisecond-level deterministic time delay and microsecond-level jitter control of large-scale periodic services are realized.

The invention discloses an adaptive channel estimation method based on deep learning, and belongs to the technical field of radio transmission. Comprising the following steps of: 1, calculating by using an LS channel estimation algorithm in a self-adaptive channel estimation network to obtain an LS channel estimation calculation result HLS; and 2, inputting the LS channel estimation calculation result HLS obtained in the step 1 into a deep learning network, and constructing an adaptive channel estimation model based on deep learning. According to the method, useful features can be effectively extracted from signals in a complex mine environment, and an estimation strategy is adjusted in a targeted mode according to environment changes. The method has the technical characteristics that the high efficiency of a traditional least square method is reserved, and the powerful function of deep learning is introduced. Through the combination, a more reliable and adaptive channel estimation solution is provided for wireless communication in a mine. The problems that a traditional channel estimation model cannot directly adapt to the mine environment, and the accuracy and robustness of channel estimation are poor are solved.