46 results about "Star network" patented technology

The invention provides an equipment networking method and system based on a distributed soft bus, and the method comprises the steps: starting a distributed soft bus module and carrying out the discovery of adjacent equipment, and obtaining a trusted equipment set after identity verification; a point-to-point communication link between the devices is established according to the trusted device set, and a distributed mesh interconnection topology is formed; performing routing calculation and data forwarding on data transmission in the mesh topology to realize end-to-end communication; meanwhile, dynamic changes of equipment in the network are monitored, topology updating is carried out, and the network stability is maintained. The scheme does not depend on the dependence of the traditional star network on the central node, realizes direct interconnection between devices through the distributed soft bus technology, improves the fault-tolerant capability and transmission efficiency of the network, and solves the problems of poor network reliability and limited expansibility in the prior art.

The invention relates to the technical field of image processing, and discloses an improved StarNet-YOLOv13-based unmanned aerial vehicle field tobacco virus disease lightweight detection method, which comprises the following steps: acquiring a to-be-detected image of a field tobacco plant, and then inputting the to-be-detected image into a trained tobacco virus detection model to obtain a detection result of the tobacco plant; wherein the tobacco virus detection model is obtained by replacing a backbone network with a star network, replacing a C3K2 module in a neck network with a feature fusion module and replacing a detection head with a DetectMBConv detection head in a YOLOv13 model; the feature fusion module is constructed by introducing a partial convolution mechanism into the C3K2 module; thus, through the star network (StarNet), the feature fusion module (DSC3k2PConv module) and the DetectMBConv detection head, the small target scab detection capability and the complex scene robustness can be improved while the parameter and calculation overhead can be reduced, so that the tobacco virus detection model can meet the deployment requirement of the computing power limited equipment side, such as an unmanned aerial vehicle, and the detection precision is ensured at the same time.

The invention discloses a foreign language word card, which is characterized in that a picture is arranged on the front side of the card and expresses characteristic elements or related attributes of a word; the core method of five-star networked words (FSNW: Five Star Networked Word) introduced in the invention is arranged on the back side of the card. The FSNW comprises the word itself and five most meaningful contexts thereof, namely definition, synonym, antonym, hyponym and affix. The display form of the networked words included in the FSNW can be changed according to the selected difficulty level, for example, an English word beader, and when the difficulty level is low, the display form is beader; and when the difficulty level is middle, the display form is b.... r, namely, each middle letter is replaced by a point (.). The FSNW card can be used like a word guessing game, that is, after the card is read, a learner needs to spell the networked word; the FSNW helps a learner to get rid of learning words in an isolated context, helps the learner to fully understand the words, and can easily retrieve the words when the words are forgotten.

The invention discloses an unmanned aerial vehicle unmanned recovery operation method and system based on an automatic recovery vehicle, and belongs to the technical field of unmanned aerial vehicle automation. The system comprises a nest box body serving as a hub, a signal tower connected with the nest box body, an external take-off and landing site, an automatic recovery vehicle and a cloud management platform. The core of the method is that a cloud platform issues an instruction, and a recovery vehicle takes out an unmanned aerial vehicle from a machine nest and transfers the unmanned aerial vehicle to a take-off and landing site for flying; and after the unmanned aerial vehicle returns and lands, the recovery vehicle actively goes forward to capture and carry back to the nest, and charging and inspection are completed. The mobile recovery vehicle with a self-adaptive interface conversion module is introduced as an execution medium, a high-precision docking demand is transferred from the air to the ground, and a star network architecture with a nest as a core is adopted, so that the recovery risk of the unmanned aerial vehicle and the dependence of the system on a specific model are remarkably reduced, and the recovery efficiency is improved. And the reliability, the compatibility and the full-automatic operation capability in a complex environment are improved.

A method for avoiding high-frequency communication conflicts in LoRa multi-node communication includes the following steps: Step 1: Constructing a star network topology for LoRa wireless nodes; Step 2: Setting up a LoRa network for data terminal nodes; Step 3: Setting up relay nodes and agreeing on a data upload time period; Step 4: Dividing the uplink transmission period of terminal nodes into multiple time slots. Each node is assigned a corresponding transmission time slot; Step 5: Assigning priorities to each terminal node, creating a table of given node sequence lists and initial state of transmitted nodes, preprocessing the data, and uploading the data from the terminal node to the relay node. This invention achieves non-interference in uplink data transmission among terminal nodes by dividing terminal node priorities into two bits and uplink data transmission time slots. Terminal nodes listen to priority data packets and create tables, ensuring that uplink data transmission among terminal nodes does not interfere with each other, urgent data is uploaded first, and the two priority data bits guarantee the integrity of node data transmission.

The invention provides an annealing kiln temperature control system and method and a storage medium, relates to the field of annealing kiln control, and solves the technical problem that stable and accurate control of the temperature of an annealing kiln is difficult to realize in the prior art. The system specifically comprises a sensor detection unit which comprises infrared thermometers located in each transverse sub-zone of the annealing kiln, a flow thermometer located in a transverse air duct of the annealing kiln, and an extended compensation wire thermocouple; the execution control unit comprises an electric butterfly valve arranged in a cooling air duct of the annealing kiln and a fan used for adjusting the air temperature; the star network topology structure comprises an Ethernet switch and an upper computer, the Ethernet switch is used for establishing communication connection with the upper computer by taking equipment of the annealing kiln as slave station equipment; the upper computer is used for acquiring annealing kiln control data; adjusting the temperature of the annealing kiln; and an annealing kiln comprehensive database is established, and operation data of the annealing kilns are recorded, summarized and uploaded in real time. The method is used for controlling the temperature of the annealing kiln.

The invention belongs to the technical field of automotive electronics, and relates to a high-anti-interference controller PCB layout structure for an electric power steering system, a PCB is a multilayer board, and the PCB layout structure is characterized in that a power ground loop of a high-frequency switching circuit is directly connected to a grounding end of a common mode inductor to realize single-point discharge of high-frequency noise; the analog signal circuit is far away from the high-frequency digital signal circuit in layout; the MCU power supply decoupling capacitors are arranged around the MCU in a distributed star network; the PCB layout structure is provided with a power ground plane and a signal ground plane which are completely isolated, and the power ground plane and the signal ground plane are connected only through a single common mode inductor; in the PCB layout structure, a driving signal, a feedback signal, a sampling signal and a power signal of the inverter bridge part are respectively arranged in different PCB layers; the current sampling precision and the system reliability are remarkably improved, the steering hand feeling is improved, the electromagnetic compatibility is excellent, and the engineering application value is very high.

The application belongs to the technical field of launch vehicle electronic information system, and particularly relates to a launch vehicle communication network system based on Powerlink. The system comprises a two-stage star network of a launch vehicle, an inter-stage star network, a first-stage tail star network and a main bus adopting a Powerlink bus; a plurality of terminal slave nodes in the two-stage section access a two-stage network repeater through a star topology communication link, a master node and the two-stage network repeater are connected in series to the main bus through a two-stage interface; a plurality of terminal slave nodes in the inter-stage section access an inter-stage network repeater through a star topology communication link, a redundant master node and the inter-stage network repeater are connected in series to the main bus through an inter-stage interface; a plurality of terminal slave nodes in the first-stage tail section access a first-stage tail network repeater through a star topology communication link, and are connected to the main bus through a first-stage tail interface. The system has high real-time performance and high reliability.

This disclosure presents an intelligent star map recognition method, apparatus, device, and medium based on multi-network mapping. One specific implementation of the method includes: extracting features from a star image using a pre-constructed star feature extraction network and an extracted set of star information to generate feature information for each node; constructing a graph network from the star information set based on star-sensor camera parameters to generate a star network structure; performing star map recognition on the star network structure using a pre-constructed star map recognition network model, the feature information for each node, and prior attitude information to generate a star recognition result; caching the star recognition result; and outputting the star recognition result to the spacecraft's attitude control system in real time. This implementation can ensure a high star recognition rate while significantly reducing the storage complexity of the feature library and the computational complexity of the algorithm, and exhibits stronger robustness to changes in the number of stars and noise in star magnitude information.

A plug-and-play resident energy consumption analysis device disclosed by the present invention comprises a shell detachably arranged on a power strip body and a lifting plate arranged in the shell and lifting in the shell, jacks of the power strip are arranged on the lifting plate, first metal sheets are symmetrically arranged at the lower ends of the jacks on the lifting plate, and second metal sheets are symmetrically arranged at the lower ends of the jacks on the lifting plate. Each first metal sheet is provided with a positioning mechanism for positioning a plug, the bottom of the power strip body is provided with a second metal sheet extending between the two first metal sheets, and the power strip body is also internally provided with a dual-frequency transceiver and a memory; after the socket is plugged in, after the built-in double-frequency transceiver of the socket is powered on, star-shaped network automatic networking is completed by taking the electric energy meter as a unique root node, the total meter electric quantity can be read in real time and the energy consumption of each branch can be locally split without any distribution network interaction, and electric energy comparison analysis and accuracy verification can be realized in combination with the data of the electric energy meter.

This invention discloses a wafer-level chip, board, and electronic device. The wafer-level chip includes multiple computing blocks, each computing block including a switching node and multiple computing nodes distributed around the switching node. The multiple computing nodes in the computing block and the switching node are interconnected through a first network, which includes a ring network and a star network. The multiple computing nodes in the computing block are interconnected through the ring network, and the switching node in the computing block is interconnected with the multiple computing nodes through the star network. The switching nodes of the multiple computing blocks are interconnected through a second network. The bandwidth of the first network is less than the bandwidth of the second network. The wafer-level chip provided by this invention can achieve a balance between bandwidth and latency under the premise of high bandwidth and low latency, and can significantly improve robustness in the event of node failure.

The invention discloses a waveguide feed double-frequency low-profile antenna of a conformal small unmanned aerial vehicle, and belongs to the technical field of antennas. According to the waveguide feed double-frequency low-profile antenna, through double-layer arrangement of the waveguide feed layer and the dipole radiation layer, a slot antenna is formed on the waveguide feed layer, and a dipole antenna is formed on the dipole radiation layer, so that the waveguide feed double-frequency low-profile antenna integrates the slot antenna and the dipole antenna and has two radiation modes; therefore, the antenna can be used as a dual-frequency antenna, the slot antenna works in an S frequency band, and the dipole antenna works in a 5G frequency band. The antenna is applied to a small unmanned aerial vehicle, has the characteristics of compact structure and high gain, has the capability of accessing a public network and a star network, and solves the problem that an existing unmanned aerial vehicle antenna does not have the dual-band communication capability of a 5G band and an S band.

The invention discloses a cluster head replacement method based on hop counts, and relates to the technical field of wireless ad hoc network communication. The method comprises the following steps: planning a cluster head in a cluster and establishing a star network with common nodes in the cluster; the nodes in the cluster maintain respective one-hop neighbor information tables through a neighbor discovery mechanism; the common nodes in the cluster send respective one-hop neighbor information to the planned cluster head through network management information; planning cluster head calculation to obtain a whole network hop count matrix, and selecting a backup cluster head node based on the number of one-hop and two-hop neighbors of the node; the planning cluster head sends selected backup cluster head node information to all common nodes through a network management message; and when the planned cluster head is offline, the backup cluster head is upgraded into the cluster head, and the cluster head resource is occupied to perform message interaction with the common node. According to the invention, a proper backup cluster head is selected with low communication overhead and low calculation complexity. When the cluster head is offline, the backup cluster head can well maintain network operation.

The invention provides an active alarm system and method based on LoRa star networking, and relates to the technical field of communication methods based on LoRa networking, and the system comprises child nodes and master-slave gateways, and completes a network access request from the child nodes to the master-slave gateways; the child nodes automatically wake up and report heartbeat packet data according to heartbeat packet periods, and each child node keeps an on-line state according to different heartbeat periods according to a task level of the child node; and channel quality evaluation is performed based on channel carrier detection and an LBT mechanism, and dynamic avoidance is realized, so that the problem of air congestion of data is avoided. The LoRa networking alarm system has the advantages that the transmission reliability, deployment cost performance and applicability of the LoRa networking alarm system are improved.

The invention relates to a star network soft fault detection and positioning method and device based on power line communication. The method is applied to a star network, and the star network comprises a transmitting end, a node, at least one receiver and an electric power communication modem. The method comprises the steps of firstly, obtaining reference transmission coefficients of receivers, meanwhile, obtaining real-time transmission coefficients, determined according to frequency domain test symbols sent by a sending end, of the receivers, then determining whether a soft fault exists in the star network or not according to the reference transmission coefficients and the real-time transmission coefficients of the receivers, and finally, if the soft fault exists, judging whether the star network has the soft fault or not. And if so, carrying out fault positioning according to the reference transmission coefficient and the real-time transmission coefficient of each receiver. By adopting the method, the soft fault can be accurately detected and positioned.

The application discloses a container traffic management method, device, equipment and system of a serverless architecture, relates to the technical field of cloud computing, and comprises the following steps: a center gateway node of a meta-cluster acquires a cross-domain data packet sent by a source container in a first container providing end; according to global routing information and identification information of a target container in the cross-domain data packet, a second container providing end is determined; the cross-domain data packet is sent to the second container providing end, so that the second container providing end sends the cross-domain data packet to the target container; the application constructs a star network topology with the centralized meta-cluster as a network hub, and accesses different capacity providing ends as radiation nodes, so that a unified and flat Pod covering network can be constructed on the physically isolated and network heterogeneous capacity providing ends; the center gateway node of the meta-cluster is used for forwarding the cross-domain data packet, so that direct communication between Pods deployed on different capacity providing ends under the serverless architecture is conveniently realized.

The invention relates to a method for forecasting an uncertain trajectory of a target by a low-orbit star network, and belongs to the technical field of detection and tracking. The method comprises the following steps: 1, establishing a multi-target dynamic model under spatial motion; step 2, establishing a satellite shot orbit dynamic model; 3, calculating the position and the speed of a satellite i under the geocentric inertial coordinate system according to the satellite shot orbit dynamic model in the step 2; step 4, according to the multi-target dynamic model in the step 1 and the position and speed of the satellite i in the geocentric inertial coordinate system in the step 3, determining that the target is in the detection range of the satellite optical sensor; 5, establishing a measurement equation of the target under the geocentric inertial coordinate system; forecasting the uncertain trajectory of the target according to the measurement equation of the target under the geocentric inertial coordinate system; according to the invention, target trajectory prediction under uncertain conditions during cooperative detection of a space moving target by a low-orbit star network is realized.

The invention discloses a wireless data acquisition system and method for a photovoltaic intelligent combiner box, the system is composed of a sending end deployed in the combiner box and a data convergence and return terminal arranged in a centralized manner, and the sending end sends acquired operation data to the convergence terminal through a first wireless link by using a LoRa communication module; the processor in the terminal performs analysis, aggregation, compression and protocol conversion processing on the received multi-path data, and then uniformly uploads the data to a cloud management platform through a 4G / 5G cellular network module via a second wireless link, the method realizes local low-power-consumption, long-distance and high-penetration data collection through the LoRa technology, effectively overcomes the wiring problem of complex terrains, and improves the data collection efficiency. According to the invention, complex wired wiring is reduced, a high-reliability star-shaped network is constructed, the deployment and operation and maintenance cost is remarkably reduced, and an efficient and stable intelligent data acquisition solution is provided for a photovoltaic power station.

The invention discloses a networking method and system for a cremation equipment working condition parameter wireless monitoring system based on a hierarchical protocol stack, and belongs to the technical field of industrial Internet of Things wireless communication. The invention provides a hierarchical protocol stack networking scheme for solving the problems that an existing cremation equipment wired monitoring system is complex in wiring and poor in expansibility, and the multi-node conflict rate is high and the transmission reliability is insufficient in wireless communication. According to the scheme, a unified time reference is established by periodically broadcasting synchronous signaling through a coordinator node, and an exclusive communication time slot is distributed for a terminal node by adopting a CS-TDMA (Center Coordinated Time Division Multiple Access) mechanism, so that the multi-node communication conflict is fundamentally avoided; meanwhile, in combination with a TS-DART (time-sharing dual-acknowledgement reliable transmission) mechanism, end-to-end reliable transmission is ensured through four handshake flows of'command-ACK-data-ACK '. The system adopts a star network topology, the coordinator is realized based on a CC2530 chip, and the terminal nodes are integrated with various sensor acquisition modules, so that the system has the characteristics of low power consumption, high reliability, strong interference resistance and the like, the real-time performance and the stability of cremation equipment working condition monitoring are remarkably improved, and the system is suitable for high-temperature and strong-interference industrial environments.

The invention provides an Ethernet and SRIO switching system based on a MicroTCA architecture, which belongs to the technical field of computers and comprises a case, a backboard, a power supply module, at least one advanced mezzanine card (AMC) module and an MCH (MicroTCA Carrier Hub) switching module, the backboard is arranged in the case and is used for bearing and connecting the MCH switching module, the AMC module and the power supply module; the power supply module is used for supplying power to the AMC module and the MCH switching module; the AMC module is connected with the MCH switching module through the backboard and is used for realizing a service processing function of the system; the MCH switching module integrates an Ethernet switching function and an SRIO switching function, and is interconnected with each AMC module through the backboard to form a single star type network topology; wherein the Ethernet interface is used for transmitting control and management information, and the SRIO interface is used for realizing data processing. According to the system, the size and weight are greatly reduced, the cost is remarkably reduced, and the problems that an existing platform is large in size, complex in structure and high in cost are solved.

A method for controlling data transmission in a hierarchical network, preferably a star network, of data processing devices, the data processing devices including controllers, e.g. quantum controllers, and a distributor, wherein the method comprises: receiving, by the distributor, a reference clock signal for synchronizing clocks of the data processing devices in the network; synchronizing, by the distributor, a clock of the distributor based on the reference clock signal, so that the clock of the distributor is synchronized with the clocks of the controllers; and, controlling, by the distributor, time-delayed transmission of a data message to at least part of the controllers so that the transmitted data messages simultaneously arrive at the controllers, the time-delayed transmission being based on a delay schedule including information about propagation delays associated with point-to-point connections between the distributor and the controllers.

The present application relates to the field of digital information transmission, more particularly to a method for wireless remote control of actuators. The present application specifically comprises the following steps: using a lora narrowband data transmission mode, establishing a star network topology with the actuator end and the handheld device end as nodes, calculating the distance of each node in the star network topology, searching for the node of the actuator end with the shortest distance to the handheld device end, positioning all actuator nodes through the node of the actuator end with the shortest distance, and performing long-distance data transmission and control of multiple actuators. The lora narrowband data transmission mode in the present application has controllable strength, low cost, low power consumption, long service life, wiring-free, strong anti-interference ability, and strong scalability. When there are multiple actuators, the actuators can also communicate with each other, and the star network topology formed in this way can make the transmission distance longer.

The invention discloses a distributed networking collaborative smart home sound box sound field optimization system, and relates to the technical field of smart home acoustics, and the system comprises a distributed sound box networking module, a star network formed by 3-8 sound boxes, a collection position and an equipment state, and a construction information base; according to the environment sound field sensing module, each loudspeaker box is integrated with a microphone array and an acoustic sensor, and the sound pressure level, the reverberation time and the noise frequency spectrum are collected in real time; the user sound field demand analysis module is used for generating a personalized preference model; in cooperation with the sound field optimization module, the master sound box formulates gain, frequency response and phase adjustment strategies, and encrypts and issues the strategies to the slave sound boxes; and the optimization effect feedback and iteration module is used for re-collecting a data calculation effect, adjusting if the data calculation effect does not reach the standard, and regularly generating a report updating model. According to the method, the environmental noise is dynamically suppressed, and the personalized demand and scene switching of a user are adapted; the new sound box is convenient to access the network, the optimization effect is stable, and the intelligent experience and equipment life are improved.

The application relates to the technical field of wireless communication, in particular to a hospital area wireless network system supporting an Internet of Things protocol, which comprises the following: a multi-protocol dynamic scheduling engine intelligently selects a protocol stack by using a three-layer dynamic decision architecture and a lightweight reinforcement learning model; a time-sensitive hybrid topology network provides a star network and low-delay time slot allocation for emergency equipment by adopting dual-mode topology fusion; a cross-protocol security aggregation gateway realizes cross-protocol data encapsulation and field-level mapping based on a unified data header of a medical Internet of Things; and an intelligent spectrum anti-interference unit obtains spectrum sensing information results by monitoring and analyzing a hospital frequency band electromagnetic environment in real time, and feeds back the spectrum sensing information results to the multi-protocol dynamic scheduling engine and the time-sensitive hybrid topology network. The application can solve the communication problems of equipment types and complex environments by combining the multi-protocol dynamic scheduling engine with the time-sensitive hybrid topology network.

The invention provides a linkage communication path optimization method for a multi-stage cascaded wireless fire-fighting system, relates to the technical field of fire alarm, and solves the technical problems of complex fire-fighting linkage control command issuing path and high total communication frequency of a multi-stage cascaded star network in the prior art. The method comprises the following steps: when a to-be-linked fire-fighting component exists under a wireless gateway, performing upward recursive statistics on the number of linkage nodes of each node in a communication network; calculating a path efficiency score of each potential public ancestor node based on the linkage node number, and selecting the potential public ancestor node with the highest score as a public ancestor node; packaging a data packet according to the public ancestor node; sending the data packet to a subordinate node by using the wireless controller, and continuously sending the data packet to a child node of the subordinate node by the subordinate node; clearing the number of linkage nodes of the wireless gateway node corresponding to the packaged data packet, and updating the number of linkage nodes of all nodes on the path upwards; and the steps are repeated until all the parts to be linked are processed.

The application relates to an intersatellite routing method and device based on a relay constellation system and communication equipment, wherein a main node serves as a routing controller of the whole network, the star topology characteristics of the constellation are fully utilized, and complex control logic is stripped from resource-limited network nodes and centralized. The design transforms a traditional peer-to-peer satellite network into a star network with a dynamic and single control plane. A dynamic main node centralized control mechanism dynamically binds a routing calculation function to a currently connected satellite, so that the satellite serves as a natural SDN (software defined network) controller, centralized intersatellite routing is realized, distributed protocol overhead is avoided, and the low overhead, high reliability and QoS guarantee requirements of a MEO constellation are met.

The invention belongs to the technical field of geological disaster monitoring, and provides a geological disaster monitoring equipment lora networking linkage communication method and system, and the technical scheme is that terminal equipment deployed according to a preset networking deployment strategy collects inclination angle data according to a first preset frequency; when inclination angle data collected by any terminal monitoring device exceeds an early warning threshold value, the device is defined as a trigger device; the triggering equipment generates and issues a reporting command containing a linkage instruction to the Lora gateway, and the Lora gateway broadcasts to all terminal equipment in the star network after receiving the reporting command; after all the terminal devices in the network receive the reporting command, switching the data acquisition frequency from the first preset frequency to a higher second preset frequency, and starting to acquire and report data according to the second preset frequency; and all the terminal devices continuously work at a second preset frequency, and are switched back to the first preset frequency until a landslide risk removal instruction is received. The limitation of a monitoring blind area is broken through, and point-to-surface global linkage monitoring is realized.

The invention provides a vehicle-mounted high-power star network transmit-receive antenna, which relates to the technical field of automobile antennas and comprises a double-layer dielectric antenna, and two layers of the double-layer dielectric antenna are respectively a receiving antenna and a transmitting antenna; a receiving link and a transmitting link, the receiving link and the transmitting link are respectively connected with the receiving antenna and the transmitting antenna, the receiving link and the transmitting link are connected through a duplexer, and the receiving link and the transmitting link are respectively connected with a first temperature compensation device and a second temperature compensation device; the problems of market vacancy of a vehicle-mounted star network transceiving antenna and vehicle-mounted adaptability of a vehicle-mounted high-power star network transceiving antenna are solved.

A fire-fighting operator state real-time monitoring method and system based on heterogeneous communication, the method comprising: constructing a star network topology; obtaining a hierarchical early warning result through a multi-dimensional risk assessment model; through a lightweight convolutional neural network model, real-time inference of six-axis inertial parameters is carried out, and a current time motion posture label is extracted; data fusion forms a structured data frame, and the structured data frame is transmitted to a remote monitoring platform through a LoRa uplink. The application realizes local non-inductive collection of multi-source data through the construction of a star network topology of a heterogeneous communication network, and ensures the high reliability of the whole link communication through the LoRa uplink. At the same time, the lightweight convolutional neural network model breaks through the microcontroller computing power bottleneck, realizes local real-time inference and accurate discrimination of the motion posture, and only returns the current motion posture label and the remaining physiological parameters and environmental parameters, which not only avoids narrowband communication congestion, but also ensures the realization of millisecond-level posture inference on the board, reduces the uplink communication burden, thereby improving the state reporting and early warning response efficiency, and greatly improving the response timeliness of life rescue.

This application provides a perception-driven adaptive transmission method and cooperative control system for airborne LiDAR data. The method includes: each airborne terminal performing target detection on point cloud data collected by its airborne LiDAR based on a point cloud detection model without sparse convolution dependency; calculating the scene urgency of the current frame based on the target detection results and uploading it to a ground terminal; multiple airborne terminals sharing the same wireless link via a star network; the ground terminal allocating bandwidth to each airborne terminal based on the scene urgency reported by each airborne terminal and notifying each airborne terminal; each airborne terminal transmitting the target detection results and point cloud data on the wireless link through different ports, with the target detection results transmitted through a high-priority port and the point cloud data transmitted through a low-priority port. The transmission rate of the point cloud data is constrained by the bandwidth allocated to the current frame, and under this bandwidth constraint, the transmission accuracy is adaptively selected based on the scene urgency and link quality for transmission.