10results about How to "Improve support capabilities" patented technology

The invention relates to a distributed multi-station radar three-dimensional imaging method assisted by Beidou high-precision positioning information. The method comprises the following steps: acquiring and returning ship high-precision motion information; transmitting an orthogonal radar signal, receiving mixed echoes and then separating the mixed echoes; motion phase compensation is carried out on the echoes by using Beidou information; generating a high-resolution three-dimensional image by adopting a time domain imaging algorithm; and automatically estimating the ship size and spacing based on the three-dimensional image. According to the invention, the high-precision position and speed information provided by the Beidou terminal of the target itself is obtained and is used as an external reference to carry out accurate phase compensation on the echoes received by the distributed multi-station radar so as to correct the phase error introduced by the motion of the target. According to the method, the problems of image defocusing and insufficient resolution caused by the movement of the target during radar imaging of the moving target in the prior art are solved, high-quality three-dimensional imaging and parameter extraction of ships moving in dense channels are realized, and the channel monitoring capability under severe weather conditions is remarkably improved.

The present application relates to the technical field of intelligent cockpit energy management and power dispatching control, and discloses a kind of dynamic adjustment method of intelligent cockpit equipment power priority.The power demand, minimum continuous power supply time, category and request state are collected by being numbered to all equipment, and the real needed equipment is screened out according to fixed period, the average power and reference duration are counted, the bidding factor is generated combined with category, relative power and relative duration, the factor is sorted and the assignable power is prefixed and cumulatively distributed, the priority is given and the record table is formed;the recursive delay count is carried out on the equipment with continuous request and not distributed at the end of the period, and the forced threshold is set;the fairness is guaranteed in the next period;the on-off instruction is executed at the same time, and the long-term non-requested equipment is identified and removed;if the conditions are met, it is included again, and the cycle is promoted.

The embodiment of the present specification discloses an emergency plan management method and related equipment, and relates to the field of data management. The method provided by the embodiment of the present specification comprises: obtaining drilling information, result verification information and change information of an emergency plan; wherein the drilling information indicates the historical drilling execution condition of the emergency plan, the verification result information at least includes function verification result and transaction verification result, and the change information includes change record of environment elements relied on by the emergency plan; according to the drilling information, the result verification information and the change information, the validity state of the emergency plan is determined; and according to the validity state of the emergency plan, the emergency plan is managed. Based on the objective and quantifiable evaluation system combined with the information of multiple dimensions, the validity state of the emergency plan can be evaluated reliably and credibly, and the validity state of the emergency plan is periodically and automatically detected, so as to ensure the guarantee ability of the emergency plan.

The application discloses a coal seam lithium-rich layer detection method based on well logging curves and statistical analysis, and belongs to the technical field of mineral resource exploration. The method comprises the following steps: selecting a series of representative coal seam positions for systematic sampling, and preparing the samples into piston samples and powder samples; determining the kaolinite and lithium content of the powder samples, and distinguishing lithium-rich and ordinary coal samples; systematically determining various geophysical response parameters of the piston samples, such as density, resistivity and wave velocity, and screening out sensitive discrimination indexes for lithium enrichment; setting a window size, calculating the moving statistical value curves of the density, resistivity, wave velocity and other well logging curves sensitive to the lithium-rich layer, calculating principal components, and using the selected principal components and a support micro machine to train a prediction model, so as to predict the lithium-rich layer in the coal seam. The application combines geophysical logging, statistical analysis, principal component analysis and a support vector machine, and provides a fast, economical and non-destructive means for lithium resource exploration in coal.

This invention relates to the field of network security and communication network protection technology, specifically a security situation awareness and dynamic defense system based on multi-dimensional data association, comprising: a data acquisition module for acquiring traffic logs and terminal behavior features reported by service nodes, which have network latency characteristics and noise attributes; a core processing module for extracting network topology features based on multi-dimensional heterogeneous situation data and communication protocol feature association models, and quantifying and calculating defense trust entropy; a result generation module for outputting the risk contribution prediction value of service blocking risk of core routing nodes based on defense trust entropy and failure boundary prediction models; and a feedback adaptive module for generating a dynamic micro-isolation strategy based on multi-agent deep reinforcement learning when the predicted value is lower than the danger threshold, and triggering a strategic degradation mechanism and generating a static route cleaning strategy when the predicted value is greater than or equal to the danger threshold. This invention achieves unified scheduling of threat interception and structural stability.

The invention provides a general vehicle emergency auxiliary air supply system which is compact in structure and complete in function by integrating an air compression unit, an air storage unit, a pressure detection unit, a control unit and an output interface unit. According to the invention, multiple working modes such as a tire, an air cylinder and a pneumatic tool can be flexibly switched, portability and plug-and-play are realized through integrated design, a driver can easily operate by utilizing an original vehicle storage battery, and multiple emergency problems such as incapability of starting parking brake due to insufficient air pressure of a vehicle, air leakage of a field tire and temporary air taking of the pneumatic tool are effectively solved; and the system is expanded to application scenes of daily maintenance such as paint spraying and dust removal, and the emergency self-rescue capability and the comprehensive guarantee efficiency of the vehicle are greatly improved.

This invention discloses a lossless compression transmission method and system for narrowband channel data based on power protocols, belonging to the field of communication technology. The method includes: acquiring the original message from the power terminal; identifying the IEC 60870-5-101 / 104 protocol, stripping application layer protocol data units and extracting the core payload; constructing a dynamic mapping dictionary to map high-frequency protocol control information as short-byte indices; performing adaptive differential prediction based on recursive least squares on telemetry data to generate a differential residual sequence; performing adaptive arithmetic coding on the residual sequence to generate a compressed data stream; monitoring the length of the compressed data, and if it exceeds the narrowband channel payload limit, performing secondary fragmentation and adding a header containing sequence numbers and priority markers. This invention achieves high-rate lossless compression of power protocol data, effectively adapts to narrowband satellite channels, and significantly improves the reliability and situational awareness capabilities of power emergency communication in extreme environments.

The utility model relates to the technical field of monitoring cameras, and discloses a traffic monitoring camera damping and buffering support which comprises a first fastener, a second fastener arranged at the bottom of the first fastener, a first rod body arranged at the top of the first fastener, a second rod body arranged at the top of the first rod body, a moving block arranged inside the second rod body, and a second rod body arranged inside the moving block. A first plate body is fixedly installed at the bottom of the moving block, a second plate body is fixedly installed in the first rod body, and a waterproof damper is arranged between the first plate body and the second plate body. The waterproof dampers in the first rod body and the second rod body can reduce amplitude transmission from the first rod body to the second rod body through the buffering performance of the waterproof dampers, vibration of the monitoring camera in conventional use can be effectively reduced, meanwhile, the service life of the monitoring camera can be prolonged, and the influence of vibration on internal sensing elements is reduced.

The application provides a kind of acquisition end data backhaul link switching method and acquisition end, it is applied to at least one acquisition end being arranged on coal mine excavation equipment, the method comprises: obtaining the data real-time backhaul link state of at least two backhaul links between acquisition end and remote data center;When the data real-time backhaul link state is broken, obtain the first data that the first target data real-time backhaul link needs to be returned when breaking;The first target data real-time backhaul link is switched to second target data real-time backhaul link;The first data is transmitted to remote data center by the target data real-time backhaul link.The application can improve the data backhaul link guarantee capability of acquisition end, reduce the large area, long time data loss caused by backhaul link disconnection and failure, to a certain extent, self-recovery data backhaul.

The invention belongs to the technical field of hydrogen pipeline fire retardance, and particularly discloses a deflagration and detonation resisting type pipeline flame arrester special for hydrogen, which comprises a shell assembly, a flame arrester assembly and a deflagration and detonation resisting assembly, a cavity is formed in the shell assembly and communicates with the interior of the hydrogen pipeline. The fire retardant elements are sequentially arranged in the cavity in the preset flowing direction of hydrogen in the cavity; each fire-retardant element comprises a flame blocking structure and a flame dispersing structure which are arranged in a mutual overlapping manner; the frame body is arranged in the cavity and is connected with the shell assembly; all the fire retardant elements are clamped between the two frame bodies; the frame body comprises a plurality of supporting ribs, and the supporting ribs correspond to the fire retardant elements in the preset flowing direction. A plurality of hole bodies communicated with the cavity are defined by supporting ribs in the frame body; the multi-stage fire-retardant component has the advantages that the multi-stage fire-retardant component and the support frame are cooperatively arranged, so that the impact load is dispersed and transmitted, and the ventilation capacity and the structural stability are considered while the fire-retardant effect is ensured.