21results about How to "Solve congestion" patented technology

The invention relates to the technical field of data processing, in particular to a covariance inverse matrix recursive updating method for on-satellite hyperspectral anomaly detection, which comprises the following steps: acquiring a hyperspectral data stream; carrying out adaptive dimension reduction processing on the data stream and loading an initial background model; extracting local background statistics by adopting a sliding window mechanism, generating a background spectrum dictionary by utilizing online dictionary learning, calculating a reconstruction error between a current pixel and the dictionary and a Mahalanobis distance between the current pixel and a background model, and fusing to generate an abnormal score; performing abnormal confidence coefficient evaluation by combining the spatial context information and the spectral angle matching degree, and updating a spectral mean vector by using an exponential weighted moving average algorithm based on non-abnormal pixel data; and the updated model is injected into the next round of processing to form a recursive chain. According to the method, the high calculation complexity of direct inversion of a covariance matrix is avoided, real-time anomaly detection on a satellite is realized, the downloading amount of original data is remarkably reduced, and the congestion of a satellite-ground communication link is relieved.

The application discloses a blockchain-based ticket settlement verification method and system, relates to the technical field of financial transaction safety, and comprises the following steps: S1, receiving a cross-border order submitted by a buyer, verifying the order integrity and the authenticity of the buyer's identity by using a digital signature algorithm, analyzing and extracting the buyer's information, the HS code of the commodity, the payment amount and the currency, and completing the consistency comparison of the ticket basis information in combination with the corresponding tax payment price interval of the HS code; S2, calling an off-chain risk control engine to carry out multi-dimensional compliance verification in parallel, generating a comprehensive risk score and dividing a risk level; after the verification, a preset aggregation template is matched based on the risk level, a unique feature identifier of the order is generated by using a hash algorithm; the risk level is adaptively matched with batch aggregation parameters and on-chain priority, and differentiated dynamic scheduling of off-chain batch evidence is realized. The application realizes full-dimensional pre-checking to avoid false transaction risks, and builds a risk level adaptive adjustment mechanism to balance business processing efficiency and risk control safety.

This invention discloses a data transmission method, apparatus, and system based on hierarchical port domains. The method includes dividing a switch port into several port switching units and switching domains. Each port switching unit includes several ports and first and second buffers. Each switching domain includes several port switching units and a temporary buffer. Each port has a pre-set internal routing number including a domain identifier, a unit selection bit, and a port index number. Data packets received by the receiving port are parsed to obtain the target port address and converted into a target internal routing number. If the unit selection bit of the target internal routing number is the same as that of the source internal routing number, the data packet is transmitted to the first buffer for reception by the target port. If the unit selection bits are different, the data packet is transmitted to the second buffer, and it is determined whether the domain identifiers are the same. If they are the same, the data packet is stored in the temporary buffer; if they are different, the data packet is placed in the out-of-band transmission queue for transmission to the target port. This invention offers high data transmission efficiency and good port scalability.

The utility model discloses a kind of bridge workstations with multi-channel super-long RF receiving and uploading function, belong to electronic equipment technical field, a kind of bridge workstations with multi-channel super-long RF receiving and uploading function, including rear shell and the front shell fixed in rear shell one side, the rear shell inside is provided with control host computer, recess is opened in the lower part of the other side of rear shell, the inner top wall of recess is equipped with network cable connection port and power interface, it can effectively solve the problem of low data transmission efficiency caused by traditional bridge workstation single channel or limited channel RF signal processing, insufficient simultaneous access capability of multiple devices, simultaneously break through the restriction of RF receiving and uploading distance, avoid affecting the stability and reliability of communication system due to signal attenuation, interruption in large industrial plant, remote monitoring system and other scenarios, and optimize equipment structure design and interface layout, reduce installation space occupation, improve the convenience of later maintenance and operation.

This invention discloses a fish transport system, wherein the fish collection device includes at least one fish collection channel laid in a river channel downstream of a reservoir, and the fish lifting device includes a main track, a secondary track, multiple fish collection boxes, and a cable car lifting device erected between the main track and the secondary track. The main track and the secondary track are respectively laid on the hillsides on both sides of the river channel. The cable car lifting device includes a main tower, a secondary tower, a cable, and a cable car. The main tower is slidably mounted on the main track, and the secondary tower is slidably mounted on the secondary track. The two ends of the cable are respectively connected to the corresponding main tower and secondary tower, and the cable car is slidably mounted on the cable. Multiple fish collection boxes are arranged in the fish collection channel along the extension direction of the fish collection channel. Fish collection boxes are also arranged in the breeding device. The cable car lifting device is used to lift the fish collection boxes corresponding to the fish collection channel through a detachable grip for transport between the fish collection channel and the breeding device, and to lift the fish collection boxes corresponding to the breeding device for transport between the breeding device and the water area of ​​the reservoir.

This disclosure provides a message transmission method, apparatus, electronic device, related medium, and program product. The message transmission method includes: generating a data packet; wherein a first field in the data packet has a first original port number; determining that a first original path from the sending device to the receiving device is congested based on a congestion window value corresponding to the current routing period of the sending device; selecting a first virtual port number corresponding to the current routing period from a first set of candidate port numbers, updating the first field with the first virtual port number, and placing the first original port number in a second field of the data packet; the first virtual port number is used for routing calculations to obtain a first alternative path from the sending device to the receiving device; and sending the data packet so that after receiving the data packet, the receiving device extracts the first original port number from the second field and updates the first field with the first original port number for transport layer protocol processing. This disclosure can effectively improve message transmission efficiency.

The application discloses a parking lot virtual green wave guiding method and related equipment, the core is to construct a space-time resource map, according to which the path is planned and the time window is reserved to form a virtual green wave band, and instructions are issued to vehicle terminals and intelligent gates, while the vehicle position deviation is monitored, and the local re-planning is triggered when the threshold is exceeded. The scheme accurately solves the defects of the prior art: through the space-time resource map, the global space-time resource is overall planned, the exclusive time window is reserved for the vehicle, the multi-vehicle path conflict is eliminated from the root, and the short board of lacking global vision and active scheduling is made up; the virtual green wave band in space and time is used to replace the static road network navigation, the vehicle is actively guided to pass in order, the micro traffic congestion is effectively solved, and the in-parking lot passing efficiency is greatly improved; the real-time monitoring and local re-planning mechanism can quickly respond to sudden conditions such as vehicle failure, avoid congestion diffusion, guarantee the stability of traffic flow, and finally realize the seamless and non-stop passing of the vehicle from the entrance to the parking space.

The present application relates to the technical field of wireless communication network, and discloses an FTTR wireless network system for enhancing the coverage of whole-house wireless signals and the utilization efficiency of network resources. The FTTR wireless network system comprises a master optical modem, an intelligent optical splitter, a plurality of slave optical modems and at least one terminal wireless AP. The uplink interface of the master optical modem is connected with the OLT of the network side through the home optical fiber. The input end of the intelligent optical splitter is connected with the downlink optical port of the master optical modem. The uplink optical ports of the slave optical modems are respectively connected with the output ends of the intelligent optical splitter through the optical splitters. The uplink network port of the terminal wireless AP is connected with the downlink electrical port of the slave optical modem through the category 6 network cable. The intelligent optical splitter is used for monitoring the transmission state of each optical splitter in real time and dynamically allocating bandwidth. The master optical modem performs unified configuration management and state monitoring on all slave optical modems and terminal wireless APs through the built-in intelligent control unit.

The present application relates to power transmission disaster prevention monitoring and industrial data management technical field, specifically to a kind of industrial data management's power transmission disaster prevention monitoring system, including multiple edge perception nodes distributed in target area, with edge perception node communication connection and having adjustable transmission bandwidth edge computing gateway and data processing hub;Edge perception node acquires industrial state data and node operating state data;Data processing hub receives data, quantization is calculated network fragile entropy state value of perception network based on node operating state data, change trend is calculated in combination with historical network fragile entropy state value sequence, predict the countdown rate of perception network approaching preset failure time threshold, and at least including regular polling instruction and suboptimal degradation scheduling instruction Dynamic scheduling instruction is generated and issued to edge perception node, to carry out integrated management and control to data transmission and computing power state.

The embodiment of the invention provides a data transmission method, a cloud network system, a computing device and a computer storage medium, the data transmission method is applied to a sending end of the network system, the network system further comprises a receiving end, and an available table, a used table and a descriptor table are arranged in a virtual buffer area of the sending end. Comprising the following steps: acquiring message descriptors corresponding to a plurality of descriptor indexes from a descriptor table according to a recording sequence of the plurality of descriptor indexes in an available table, and storing the message descriptors in a memory buffer area; obtaining target messages corresponding to the plurality of message descriptors according to the recording sequence, and sending the target messages to a receiving end; receiving acknowledgement receiving messages of the plurality of target messages fed back by the receiving end; recording the plurality of descriptor indexes into a used table according to a receiving sequence of the plurality of acknowledgement receiving messages; and releasing the message descriptors stored in the memory buffer area according to the recording sequence of the descriptor indexes recorded in the used table. And the reliability, response speed, throughput and resource utilization rate of the network system are improved.

This invention discloses a waveform design method based on a joint imaging and radar sensing system, specifically including the following steps: constructing a joint imaging and radar sensing system model; using the sum of the directional power of the target radar beams to measure radar sensing performance and the channel condition number to measure imaging performance; constructing an overall optimization problem for the joint imaging and radar sensing system; transforming the objective function of the overall optimization problem and simplifying the diagonalization operation in the objective function; using the positive semidefinite relaxation method to solve the optimization problem to obtain the optimal beamforming vector; using the least squares method to recover the scattering coefficients of the received signal formed by the solved optimal waveform vector, and then performing imaging. The optimization method proposed in this invention can recover the image well and ensure that the radar sensing function is not affected.

The invention relates to the technical field of forestry dynamic monitoring, and discloses a forestry dynamic monitoring method and system based on cloud network collaboration. The method comprises the following steps: acquiring forestry environment data through Internet of Things sensor nodes deployed in a forest region, and carrying out real-time data cleaning and format normalization by a built-in edge calculation unit of the nodes to generate a standardized compressed data packet; a transmission path is dynamically selected by using a wireless communication network, a data subpackage and retransmission mechanism is adaptively adjusted, and reliable transmission of data is ensured. The cloud platform analyzes the data and performs space-time correlation analysis, and generates monitoring information through abnormal mode recognition, thereby dynamically adjusting the data acquisition frequency of the sensor node and the working mode of the edge computing unit, and improving the forestry disaster early warning capability and the resource management efficiency.

The utility model relates to the field of wisdom catering, disclose a kind of unmanned wisdom flour workshop, including compartment, observation window, be opened in compartment inside, for observing the dish inside this wisdom flour workshop;Control panel, install in compartment outer wall, for controlling this wisdom flour workshop;Processing platform, install in compartment inside, for the processing of dish;Meal taking mechanism, install in compartment inside, for the extraction of dish;Modular mounting mechanism, install in compartment inside, for the modular installation of equipment inside this wisdom flour workshop.In the utility model, the dish is gripped by five-axis mechanical arm control gripper, then the sliding block is moved along the slide rod by motor one control screw rod rotation, so that the dish is placed on the corresponding tray, then the tray is pulled into the meal outlet inside by cylinder through connecting block, so that the corresponding door plate can be opened to take meal, the problem that the existing wisdom flour workshop meal outlet is single and causes congestion is solved, and the convenience of meal taking is improved.

The invention provides a knowledge perception routing method in a semantic edge network based on Lyapunov optimization. The method comprises the following steps: constructing a virtual queue for tracking accumulated deviation of knowledge migration flow and budget in a semantic edge network, setting a shadow price corresponding to the virtual queue, and calculating a Lagrange dominant function by using the shadow price at the current moment to obtain a comprehensive dominant function; the comprehensive path weight of each adjacent link between the starting node and each neighbor node is converted into a probability distribution value of each adjacent link, a deterministic forwarding strategy is generated, a route matching rule is generated according to the forwarding strategy, the route matching rule is executed through a data forwarding plane, and a route matching result is obtained; and optimizing and updating the forwarding strategy according to the comprehensive dominant function. According to the method, the long-term average knowledge migration bandwidth is strictly ensured not to exceed the preset budget mathematically through the virtual queue tracking mechanism, and the problem of network congestion caused by excessive consumption of the knowledge migration bandwidth is effectively avoided.

The invention provides a low-altitude logistics dynamic route planning method and system based on demand prediction driving, and belongs to the technical field of low-altitude traffic management and intelligent logistics scheduling. The method comprises the following steps: predicting a logistics demand by using a space-time diagram neural network and generating a virtual task set; constructing a dynamic airspace state model fusing real-time weather, control and monitoring data; by taking the virtual task set as input and the dynamic model as constraint, executing global route planning to generate a preliminary plan; calculating a network congestion risk degree and a planned load balance degree index, triggering feedback adjustment according to an index threshold value, and performing iterative optimization to form a global reference route plan; and in the real-time operation stage, dynamic re-planning is carried out by taking the reference route plan as a baseline and combining a real-time order and the latest airspace state. Through cooperation of prediction, modeling, planning and feedback, conversion from passive response to active scheduling is realized, and the problems of planning lag, local congestion and insufficient global cooperation are solved.

This invention provides a multi-channel analog-to-digital signal acquisition system, comprising: a channel selection module for selecting and switching multiple analog signals and digital signals using an analog switch chip, and inputting the selected signal into a multi-channel analog-to-digital converter for sampling; an analog-to-digital conversion module for configuring key parameters of the multi-channel analog-to-digital converter and designing the circuit; a processing and control module for performing data processing and communication tasks using a microcontroller and configuring a real-time operating system for task scheduling; a communication module for real-time data transmission and display with a host computer using a standardized interface and selecting an appropriate communication protocol for communication and testing; and a power management module for configuring a highly integrated power management chip, designing low-power strategies, and performing real-time monitoring and management. This invention significantly improves the quality, efficiency, and accuracy of the acquired data, enhances system performance and compatibility, and promotes the intelligent development of the system.

This invention relates to the field of real-time resource scheduling technology, specifically a real-time scheduling method for lane control robots based on multi-dimensional sensor data. The method includes: dividing management areas for arrival and drop-off robots; acquiring multimodal sensor data from the management areas, extracting features, and fusing them using a self-attention mechanism to obtain a fused feature vector; obtaining a drop-off scenario complexity score and a departure intention score through a drop-off scenario evaluation model; simultaneously calculating the real-time resource occupancy index for each lane; calculating differentiated allowed dwell time based on the drop-off scenario complexity score and the overall resource occupancy status of the drop-off platform; and providing early warnings and management based on the drop-off scenario complexity score, departure intention score, real-time resource occupancy index, differentiated allowed dwell time, and empty space detection results. This invention improves flexible decision-making capabilities and resource utilization, and is suitable for real-time resource allocation and decision support in complex traffic scenarios.

This application discloses a data transmission configuration device and method, specifically relating to the field of data transmission technology. The data transmission configuration device includes an on-chip network chip (Chip-on-Chip) and a digital multimedia extender (DME). The Chip-on-Chip is located in a mesh network and is used to transmit data to the DME via the mesh network. The DME is connected to the edge of the mesh network and is used to receive data via the mesh network. The Chip-on-Chip also counts the data transmissions. The count value in the Chip-on-Chip indicates the data transmission priority of the Chip-on-Chip. When the Chip-on-Chip sends a data transmission request to the DME, the count value decreases; when the Chip-on-Chip receives a signal returned by the DME, the count value increases. This solution enables data transmission configuration in a hardware device, resolving network congestion issues.

The invention discloses a cooperative aggregation authentication method and a cooperative aggregation authentication system for a heterogeneous 6G full-decoupling network, and provides an efficient multi-base-station cooperation and multi-user authentication solution for control and data decoupling for future 6G satellite-ground heterogeneous full-decoupling wireless access network communication. According to the invention, based on a group key negotiation mechanism, ground data base station group key negotiation, air satellite node group key negotiation and user group key negotiation are carried out; cross-domain control plane security aggregation switching authentication of a mobile multi-user cluster is realized through an AMAD algorithm with a detection function, and secret value information is transmitted through a lightweight switching bill to realize data plane cross-domain security authentication of mobile users. According to the invention, high-efficiency and low-overhead security key negotiation is respectively carried out on the user side and the base station side, and 0-RTT authentication of the user to various data nodes and aggregation authentication of multiple users and control plane nodes are realized while various attacks are resisted, so that a full-decoupling network security scheme suitable for multi-user authentication and heterogeneous multi-base station cooperation is established.