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31results about How to "Make up for shortcomings" patented technology
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Network worm detection and characteristic automatic extraction method and system
InactiveCN101895521AStop the spreadAccurate discoveryData switching networksFeature extractionAnomaly detection
The invention discloses a network worm detection and characteristic automatic extraction method and a network worm detection and characteristic automatic extraction system and belongs to the technical field of network safety. The method comprises the following steps of: 1) performing abnormal detection on captured network data packets, and dividing the data packets into suspicious network flow and normal network flow according to detection results; 2) storing the suspicious network flow in a suspicious flow pool, and storing the normal network flow in a normal flow pool; 3) clustering the network flow in the suspicious flow pool and the normal flow pool, and extracting a characteristic signature; and 4) updating the extracted characteristic signature in a network attack database, and detecting the network worm. The system comprises an abnormal detection subsystem, a characteristic extraction subsystem, a network attack characteristic database, and a misuse detection system. The methodand the system can more accurately and timely discover the network worm, can automatically extract the worm characteristics and update the attack characteristic database of the existing misuse detection system. Therefore, the aim of suppressing worm propagation is really fulfilled.
Owner:GRADUATE SCHOOL OF THE CHINESE ACAD OF SCI GSCAS
Novel multifunctional three-dimensional conduction fabric, preparation method thereof and application of fabric
InactiveCN109652898AReduce transmittanceImprove shielding effectWoven fabricsHeating element materialsYarnElectromagnetic shielding
The invention relates to a novel multifunctional three-dimensional conduction fabric, a preparation method thereof and an application of the fabric. The three-dimensional conduction fabric sequentially comprises an appearance layer, a functional conduction layer and a fabric protection layer from top to bottom, and the appearance layer, the functional conduction layer and the fabric protection layer are interwoven through stitching warps and stitching wefts or integrally bundled by bundling yarns. The three-dimensional conduction fabric is designable in height, simple in preparation process, high in weaving efficiency and suitable for industrial production, application field of the conduction fabric is widened, and the conduction fabric has wide application prospects in the fields of smartclothing, heating, electronic sensing and electromagnetic shielding.
Owner:NINGBO GRAPHENE INNOVATION CENT CO LTD
Detection method, system and device for mining byvirtual currency and storage medium
The invention discloses a detection method for mining by virtual currency. According to the detection method, domain name detection is realized by using a mine pool domain name library; an IPS detection rule corresponding to the feature information existing when the controlled host executes the virtual currency mining operation is constructed by utilizing a Snort engine; namely, the network flow is detected and analyzed by using the IPS detection rule and the mine pool domain name library at the same time. The IPS detection rule can detect contents in multiple aspects based on a rule matchingmode. The defect that only the mine pool domain name library needs to be a board with known content is effectively overcome, the common point hidden behind the data can be mined from the feature information through the IPS detection rule constructed through the Snort engine, the detection effect of mined behaviors is better, and engineering implementation is easy. The invention further discloses adetection system and device for mining by the virtual currency and a computer readable storage medium, which have the above beneficial effects.
Owner:SANGFOR TECH INC
Task dispatching method and system
ActiveCN107688489AImprove throughputImprove disaster toleranceProgram initiation/switchingResource allocationMessage queueFailure rate
The invention provides a task dispatching method and system. Because of the adoption of message queues, tasks are processed by multiple servers simultaneously, the throughput capacity of the tasks isincreased, and meanwhile, the defect of serial processing of a single task by a single server is avoided; moreover, when the failure rate of task processing is increased, the message queues corresponding to different computer rooms can be switched, and the disaster tolerance capability of the task dispatching system is improved. The method comprises the steps that a saving module saves associationrelations between the message queues and an execution module; when a task needs to be processed, a generation module generates a task message of the task; according to a preset message storing rule,a determination module determines the message queue which the task message belongs to and then stores the task message into the message queue; the execution module monitors a notification message of the message queue which has the association relation with the execution module, obtains the task message in the message queue after the notification message is monitored and then sends the task messageto a vendor after the task message is obtained.
Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1
System for unifying front-end JavaScript coding specifications
PendingCN111625230AMake up for shortcomingsMake up for deficienciesCreation/generation of source codeStatistical analysisPattern matching
The invention relates to a system for unifying front-end JavaScript coding specifications, which comprises a multi-compatible coding specification module for analyzing a source code by an analyzer through UJLint to generate an abstract syntax tree, and outputting whether the code conforms to the specification or not through mode matching of each plug-in; the integration and deployment detection module is used for blocking unpredictable code errors and standard omission possibly occurring in each link by executing code detection in each stage of a software life cycle; the automatic engineeringconfiguration module is used for carrying out installation and configuration work of the multi-compatible coding specification module and the integration and deployment detection module in an automatic mode; and the visual statistical analysis module is used for collecting detection results of the UJLint in each life cycle of the software code, carrying out visual display on result data, taking the result data as a positive feedback, and feeding back the positive feedback to the UJLint in an iterative manner, so as to improve the execution quality of the UJLint.
Owner:BEIJING INST OF COMP TECH & APPL
Self-adsorption flexible battery and preparation method thereof
ActiveCN108242555AGood effectReduce energy densityFinal product manufactureSmall-sized flat cells/batteriesPolymer scienceAdhesive
The invention provides a self-adsorption flexible battery and a preparation method thereof. The preparation method comprises the following steps: grafting cyclodextrin, as a host, to a gel electrolytepolymer monomer, to form a host molecule carrying polymer monomer matrix; performing in-situ polymerization reaction of the host molecule carrying polymer monomer matrix and the un-grafted gel electrolyte polymer monomer, to generate a host molecule doped gel electrolyte; grafting adamantane or ferrocene, as an object, to an adhesive polymer monomer, to form an object molecule carrying polymer monomer matrix; performing polymerization reaction of the prepared object molecule carrying polymer monomer matrix and the un-grafted adhesive polymer monomer, to generate an object molecule doped adhesive; adding the object molecule doped adhesive into positive and negative electrodes, and encapsulating with the host molecule doped gel electrolyte, to obtain a self-adsorption sandwich flexible battery. Compared with existing flexible battery, the flexible battery has the advantages that the service life of the battery is prolonged while the flexibility is improved, and the shortcomings of existing flexible battery technology are overcome.
Owner:SINOCAT ENVIRONMENTAL TECH
Automobile meter indicator lamp color detecting method based on dynamic clustering method
ActiveCN104019901AImprove accuracy and reliabilityGuaranteed real-time updatesColor measuring devicesFalse detectionDynamic clustering
The invention belongs to the technical field of detection on automobile meter indicator lamp colors, and provides an automobile meter indicator lamp color detecting method based on a dynamic clustering method. The automobile meter indicator lamp color detecting method based on the dynamic clustering method solves the problems that an existing automobile meter indicator lamp color detecting method is high in false detection rate, not reasonable in detecting algorithm, and low in reliability and accuracy of detecting results. The method includes the two steps of clustering of the indicator lamp colors and detection on the indicator lamp colors. The automobile meter indicator lamp color detecting method based on the dynamic clustering method is applicable to the detection on the automobile meter indicator lamp colors.
Owner:HARBIN INST OF TECH
Reinforced fire window
InactiveCN105370176AIsolate the invasionImprove fire performanceFireproof doorsSealing arrangementsFiberEngineering
The invention aims to provide a reinforced fire window which comprises a frame body and fire-proof glass. The reinforced fire window is characterized in that the frame body and the fire-proof glass are pressed and fastened together through rectangular window pressing strips; the fire-proof glass is pressed and fastened together through a middle upright frame and window pressing strips, a fire-proof material is arranged in the middle upright frame, and the fire-proof material is an aluminium silicate ceramic fiber felt; and gaps are reserved between the fire-proof glass and the frame body and between the fire-proof glass and the middle upright frame, fire-proof expansion strips are arranged at the joints of the fire-proof glass and the frame body, the joints of the fire-proof glass and the middle upright frame and the joints of the fire-proof glass and the window pressing strips. The reinforced fire window has the beneficial effects as follows: 1, the change of the fire-proof material in the middle upright frame further improves the overall fire-proof performance and makes up for deficiencies; and 2, smoke intrusion is isolated owing to the addition of the fire-proof expansion sealing pieces.
Owner:天津名门防火建材实业有限公司
Automatic fire extinguishing device suitable for large high-rise building
The invention discloses an automatic fire extinguishing device suitable for a large high-rise building. The automatic fire extinguishing device comprises a fixed base fixedly arranged on the edge of aroof. A first motor is fixedly arranged in the upper end face of the fixed base, the upper end of the first motor is in power connection with a rotary arm, a lifting device is arranged at the right end of the rotary arm, a supporting block is arranged on the lower side of the lifting device, a storage cavity with a leftward opening is formed in the supporting block, an adsorption fixing device isarranged in the upper wall of the storage cavity, and a fire extinguishing device is arranged between the front wall and the rear wall of the storage cavity. The automatic fire extinguishing device can be used for firefighting work of floors exceeding the fire extinguishing height of a firefighting truck, under the condition that the building height of a city becomes higher and higher, due to thelimitation of current firefighting equipment, firefighting work at the high position cannot be completed from the ground, the device is mounted on the tops of the floors, the descending height can befreely controlled through a steel rope, then firefighting work of the different floors is completed, and the weakness of ground firefighting work is overcome.
Owner:JIANGSU YUANFENG CONSTR
Highway engineering intelligent cost method based on blockchain technology
PendingCN111915169ALow costHelps growDatabase distribution/replicationDigital data protectionOriginal dataBusiness enterprise
The invention discloses a highway engineering intelligent cost method based on a block chain technology, and the method comprises the steps: stimulating each enterprise to share the cost information of materials, cost and work efficiency in a paid manner and upload the cost information to a blockchain database in a unified manner through the decentration operation and safety storage technology ofa blockchain while the privacy of the enterprise is fully protected; and obtaining original data of the construction process library, the metering library and the pricing library. According to the intelligent manufacturing cost method, on the basis of construction procedures, node node connection among the procedures, addition and pricing is achieved through a unified coding rule, the procedure combination manufacturing cost is finally obtained by calculating the manufacturing cost of all the procedures, and therefore rapid click calculation of the manufacturing cost is achieved; therefore, construction personnel with insufficient construction experience can simply and skillfully obtain accurate construction cost. According to the intelligent cost mode, the defects of the existing BIM in the cost field are effectively overcome, and the application prospect in the cost management field is very wide.
Owner:CENT SOUTH UNIV
Flame retardant and application of flame retardant in thermoplastic polyurethane elastomer flame retardancy
The invention relates to application of a flame retardant comprising carbon microspheres and modified bodies of carbon microspheres in a flame retardant thermoplastic polyurethane elastomer. The carbon microspheres and the modified bodies thereof can effectively improve the flame retardancy of a polymer when added into the thermoplastic polyurethane elastomer together with ammonium polyphosphate as additives, the heat release rate, total heat release, smoke generation rate, total smoke generation amount and carbon monoxide concentration are obviously reduced, and the remaining quality of carbon residues is greatly improved.
Owner:QINGDAO UNIV OF SCI & TECH
Shot derusting machine for inner wall of super-long pipeline
ActiveCN103506961ASolve the anti-corrosion engineering siteReduce in quantityAbrasive machine appurtenancesAbrasive blasting machinesImpellerEngineering
The invention relates to a shot derusting machine for the inner wall of a super-long pipeline. The shot derusting machine comprises a sand storage box body, a sand conveying hopper of a blast wheel power motor, a sand conveying box body, a rotary blast wheel with an impeller, a steel sand collecting wing in a pipeline, a power motor of a sand return device, a supporting device of the steel sand collecting wing, a recovery device of the steel sand collecting wing, a conveying mechanism of a steel sand collecting auger, a travelling wheel of the derusting machine, an angle-adjustable travelling wheel supporting frame, a dedusting induced draft fan, and a power motor of a fan. The derusting machine is provided with the angle-adjustable travelling wheel and can linearly travel in the steel pipeline through rotation of the steel pipeline. Derusting operation to the inner wall of the steel pipeline can be carried out by controlling the sand storage box and an automatic sand amount adjusting valve. The steel sand automatic recovery device at the rear end of the derusting machine can collect steel sand in the pipeline and return the steel sand to the sand storage box so as to realize the purpose of recycling the steel sand. Under the equal pipeline wall derusting condition, efficient, energy-saving and clean effects can be realized in the derusting work of the inner wall of the pipeline.
Owner:张 国祯
Tower crane over-limit overturn-preventing device
PendingCN111776947AInclined fullEliminate tilt overrunCranesSafety gearMarine engineeringRelative motion
The invention provides a tower crane over-limit overturn-preventing device. The tower crane over-limit overturn-preventing device comprises a pendant, a base, an amplifying mechanism and a monitoringswitch, wherein the amplifying mechanism and the monitoring switch are arranged on the base, the base is arranged on a tower crane and inclines along with the tower crane, the pendant is connected with the amplifying mechanism, the direction of the pendant is always the same as the gravity direction, relative motion between the base and the pendant is amplified by moving through the amplifying mechanism, the monitoring switch is touched through an executing mechanism in the amplifying mechanism, and overrun early warning is achieved through the monitoring switch. According to the tower crane over-limit overturn-preventing device, the perpendicularity deviation of a tower body is detected by using the relative movement between the base and the pendant, the problem that a moment limiter cannot detect the tower body inclination caused by foundation settlement, bolt looseness and mechanism abrasion is solved, the shortcoming of a traditional moment limiter is overcome, the tower crane over-limit overturn-preventing device can effectively detect the inclination of the upper part and the lower part of the tower crane, so that the inclination of the tower crane can be comprehensively detected.
Owner:安顺中安安装工程有限公司
Station sharing system and method based on electronic tags
PendingCN110659751AEffectively manage and control the use of resourcesReduce misuseReservationsCo-operative working arrangementsTelecommunicationsElectronic tagging
The invention relates to a station sharing system and method based on electronic tags, and the system comprises a station system server (1) which is used for storing station information, processing astation reservation request, and transmitting a station reservation result; the router (2) is connected with the station system server (1) and is used for receiving a station reservation result and controlling the electronic tag (3); and the electronic tags (3) are in one-to-one correspondence with the stations and are connected with the router (2). Compared with the prior art, the method has theadvantages that office environment automatic use is completed in the presence of a network while it is ensured that station use resources are effectively managed and controlled. An intelligent operation mode is supplemented for a modern office system, the misuse situation occurring when stations in an existing office environment are used is reduced, guiding display of the stations in intelligent office is achieved, the office efficiency is improved, energy is saved, and unnecessary manual management is reduced.
Owner:SHANGHAI SIIC LONGCHUANG SMARTER ENERGY TECH CO LTD
Construction method of integrated external wall building system
The invention relates to a construction method of an integrated external wall building system. The construction method comprises the following construction steps: 1) precast concrete plates are precast in a factory; 2) proper lifters are selected according to component forms and lifting heights; 3) the precast concrete plates are lifted to a construction position; 4) the precast concrete plates are stopped descending when from a mounting distance by 50 cm to check if the front and reverse surfaces of the concrete cast plates are consistent with a drawing; 5) the positions of the precast concrete plates are primarily fixed according to an anchor bolt embedding position; 6) the anchor bolt embedding position is precisely adjusted according to a control line to overlap with a surveying and setting-out position; 7) the precast concrete plates are in place, and are fixed on columns through fixed nuts; 8) reserved tensioned reinforcements of the precast concrete plates and block external walls are built together; and 9) through seams are formed between the other sides of the columns and the block external walls. The construction method has such advantages as convenient construction, capability of reducing the thickness of column wrapped wallboards and reduction of the beam and column projection risk.
Owner:ZHEJIANG GREEN BUILDING INTEGRATION TECH CO LTD
A color detection method of automobile instrument indicator light based on dynamic clustering method
ActiveCN104019901BReduce false detection rateLow reliabilityColor measuring devicesPattern recognitionFalse detection
The invention belongs to the technical field of detection on automobile meter indicator lamp colors, and provides an automobile meter indicator lamp color detecting method based on a dynamic clustering method. The automobile meter indicator lamp color detecting method based on the dynamic clustering method solves the problems that an existing automobile meter indicator lamp color detecting method is high in false detection rate, not reasonable in detecting algorithm, and low in reliability and accuracy of detecting results. The method includes the two steps of clustering of the indicator lamp colors and detection on the indicator lamp colors. The automobile meter indicator lamp color detecting method based on the dynamic clustering method is applicable to the detection on the automobile meter indicator lamp colors.
Owner:HARBIN INST OF TECH
PSC light thermal insulation and decoration structure integrated prefabricated outer wall board and preparation method thereof
InactiveCN108589980ALight in massReduce stressWallsClimate change adaptationThermal insulationEngineering
The invention relates to a PSC light thermal insulation and decoration structure integrated prefabricated outer wall board and a preparation method thereof. The PSC light thermal insulation and decoration structure integrated prefabricated outer wall board is hung on main bearing structures and comprises a ribbed face board, an insulation board, rock wool and an ALC board. A pre-buried pendant ispre-buried in the ribbed face board and hung on the main bearing structures. The insulation board is arranged on the inner side of the ribbed face board, and the rock wool is wrapped with the inner side of the ribbed face board. The ALC board is laid on the inner side of the rock wool, and the ALC board is located between the main bearing structures. The PSC light thermal insulation and decorationstructure integrated prefabricated outer wall board has the good thermal insulation property and good sound insulation property; the wall board is partially embedded, and the thickness of a whole outer wall system is decreased accordingly; the thickness of the wall board is small, and thus the building using area is increased; and the weight of the wall board is low, the site construction hoisting difficulty is lowered, the material cost is saved, meanwhile stress of the pendant is reduced, and the security coefficient is increased accordingly.
Owner:ZHEJIANG GREEN BUILDING INTEGRATION TECH CO LTD
An automatic fire extinguishing device suitable for high-rise buildings
Owner:JIANGSU YUANFENG CONSTR
Merchant comment analysis system and method based on machine learning
PendingCN113987168ARefinement of commentsMake up for shortcomingsCharacter and pattern recognitionNatural language data processingData setEngineering
The invention discloses a merchant comment analysis system based on machine learning. The merchant comment analysis system comprises a data processing layer, a machine learning algorithm layer and a user service layer, wherein the data processing layer is used for acquiring platform data, performing preprocessing, text word segmentation and word cloud generation on the platform data, and outputting an evaluation data set; the machine learning algorithm layer is used for performing model training, sentiment analysis and clustering analysis by using a comment data set, and outputting the positive sentiment degree and merchant classification labels of the comment data; and the user service layer provides merchant recommendation, search, classification, merchant data analysis and comment data analysis information for users. According to the invention, a machine learning algorithm is adopted to analyze the comment data of users, quantify the sentiment data of the users and mine the emotion and attitude of the users in the comments, so merchant evaluation can be refined, the shortages of platform scoring are made up, a multi-dimensional scoring model is constructed, and a more accurate merchant evaluation system is realized.
Owner:JIANGSU UNIV OF SCI & TECH
A construction method of integrated exterior wall masonry system
The invention relates to a construction method for an integrated external wall masonry system, which includes the following construction steps: 1), prefabricating a precast concrete slab in a factory; 2), selecting a suitable spreader according to the component form and lifting height; 3), placing the precast concrete Lift the slab to the construction position; 4), stop the lowering of the precast concrete slab when it is 50cm away from the installation position, and check whether the front and back of the precast concrete slab are consistent with the drawings; 5), initially fix the position of the precast concrete slab according to the position of the embedded anchor bolt; 6 ), accurately adjust the position of the pre-embedded anchor bolt according to the control line, which coincides with the position of the measuring line; 7), the precast concrete slab is in place; the precast concrete slab is fixed by the fixing nut, so that the precast concrete slab is fixed on the column; 8), The reserved tie reinforcement of the prefabricated concrete slab and the outer wall of the block are built together; 9), the other side of the column is left with a joint with the outer wall of the block. The invention has the advantages of convenient construction, can reduce the thickness of the column-wrapped wallboard, reduce the risk of convex beams and convex columns, and the like.
Owner:ZHEJIANG GREEN BUILDING INTEGRATION TECH CO LTD
Plasma radio frequency coupling low-temperature cold sterilization equipment applied to fresh keeping of crayfish
PendingCN114847334AMake up for shortcomingsImprove sterilization efficiencyConveyorsFood processingMicroorganismNutrition
The invention provides plasma radio frequency coupling low-temperature cold sterilization equipment applied to fresh keeping of crayfishes. The plasma radio frequency coupling low-temperature cold sterilization equipment comprises a plasma radio frequency coupling low-temperature cold sterilization polar plate device, a high-temperature hot air device, a movable transmission device, a transmission belt adjusting device and a control device. Materials are conveyed from one end to the tail end through the movable conveying device, in the conveying process, the conveying belt enables the materials to move forwards stably under the action of the adjusting device and to be located in the middle of the whole equipment all the time, the materials are subjected to plasma and radio frequency cooperative sterilization in the plasma radio frequency coupling low-temperature cold sterilization polar plate device, and the sterilization effects of the plasma and the radio frequency are mutually complementary. Microorganisms in the materials are effectively killed and prevented from breeding, and the cold sterilization efficiency is remarkably improved. The plasma radio frequency coupling low-temperature cold sterilization equipment can effectively control the number and breeding of microorganisms in materials and prolong the shelf life of products under the condition of keeping the nutrition, flavor and quality of the crayfishes.
Owner:JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
A super-long pipe inner wall shot blasting derusting machine
ActiveCN103506961BSolve the anti-corrosion engineering siteReduce in quantityAbrasive machine appurtenancesAbrasive blasting machinesEngineeringControl valves
This scheme involves a shot blasting machine for the inner wall of an ultra-long pipeline, which includes a sand storage box, a sand conveying bucket with a power motor for throwing a head, a sand conveying box, a rotating throwing head with blades, and a steel sand collecting wing in the pipe. , Power motor of sand return device, steel sand collection wing support device, steel sand collection wing recovery device, steel sand collection auger conveying mechanism, rust removal machine walking wheel, angle adjustable walking wheel support frame, dust removal induced draft fan, fan power motor The rust removal machine is equipped with an adjustable angle walking wheel. Through the rotation of the steel pipe, the straight line walking in the steel pipe can be realized. Through the control of the sand storage box and the automatic sand volume control valve, the inner wall of the steel pipe can be adjusted. In the rust removal operation, the steel grit automatic recovery device at the back end of the rust remover can collect the steel grit in the pipe and return it to the sand storage box to achieve the purpose of recycling the steel grit. , so that the rust removal of the inner wall of the pipeline is efficient, energy-saving and clean.
Owner:张 国祯
Ultrahigh-precision positioning sensor combining GPS positioning with panoramic imaging map matching
PendingCN111722256AHigh precisionSmall distortionSatellite radio beaconingFisheye lensGps positioning system
The invention discloses an ultrahigh-precision positioning sensor combining GPS positioning with panoramic imaging map matching. The ultrahigh-precision positioning sensor comprises a signal processing unit, a GPS positioning module and a panoramic imaging assembly. The panoramic imaging assembly sequentially comprises a convex reflector mirror, a dichroic mirror, a biconvex lens, a fisheye lens,a meniscus positive lens, a meniscus negative lens, a focusing lens and an imaging screen in the light path direction. The optical axes of the convex reflector, the dichroic mirror, the biconvex lens,the meniscus positive lens, the meniscus negative lens and the focusing lens are all on the optical axis of fisheye lens imaging. The GPS positioning module is used for providing an accurate marker orientation for the signal processing unit; the signal processing unit is used for processing an image of the panoramic imaging assembly, receiving a GPS big data map, acquiring accurate coordinates ofthe marker by using a GPS positioning system, and inverting the position of the panoramic lens by using coordinate information of the target object so as to accurately obtain real-time coordinates ofthe moving object. The positioning precision can be improved.
Owner:NANJING UNIV OF SCI & TECH
Self-adsorbable flexible battery and preparation method thereof
ActiveCN108242555BGood effectReduce energy densityFinal product manufactureSmall-sized flat cells/batteriesPolymer scienceElectrical battery
Owner:SINOCAT ENVIRONMENTAL TECH
Method and system for scheduling tasks
ActiveCN107688489BImprove throughputImprove disaster toleranceProgram initiation/switchingResource allocationMessage queueEngineering
The invention provides a task dispatching method and system. Because of the adoption of message queues, tasks are processed by multiple servers simultaneously, the throughput capacity of the tasks isincreased, and meanwhile, the defect of serial processing of a single task by a single server is avoided; moreover, when the failure rate of task processing is increased, the message queues corresponding to different computer rooms can be switched, and the disaster tolerance capability of the task dispatching system is improved. The method comprises the steps that a saving module saves associationrelations between the message queues and an execution module; when a task needs to be processed, a generation module generates a task message of the task; according to a preset message storing rule,a determination module determines the message queue which the task message belongs to and then stores the task message into the message queue; the execution module monitors a notification message of the message queue which has the association relation with the execution module, obtains the task message in the message queue after the notification message is monitored and then sends the task messageto a vendor after the task message is obtained.
Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1
NewReno-based throughput rate improving method
PendingCN113904989AMake up for shortcomingsImprove throughputKernel methodsTransmissionCongestion windowTelecommunications link
The invention relates to a NewReno-based throughput rate improving method, and belongs to the technical field of network congestion control in wireless network transmission. According to the method, NewReno is adopted in a slow starting stage; in the congestion avoiding stage, a sending end carries out strategy learning according to a network state in combination with a Sarsa method, and selects an action according to a learned Q table, that is, when a new ACK is received each time, the original congestion window increase and decrease amount is kept unchanged or a new congestion window increase and decrease amount is reselected; when packet loss occurs, whether the packet loss at the moment is caused by poor communication links or obstacle blocking is judged through the trained SVM model according to the position and the speed of the data sending end and the received SINR, so that a congestion window is kept unchanged or reduced, and the bandwidth utilization rate is improved. Compared with NewReno, the network throughput rate and the bandwidth utilization rate in wireless network transmission are improved, and the defect of NewReno in wireless network transmission is overcome.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Object recognition method for radar system
PendingCN114660565AMake up for shortcomingsHigh precisionWave based measurement systemsAviationRadar systems
The invention provides an object identification method for a radar system, and the method comprises the steps: S1, carrying out the up-conversion of an initial signal generated by the radar system, and obtaining a frequency mixing signal; s2, suppressing out-of-band stray of the frequency mixing signal to obtain a transmitting signal, and transmitting the transmitting signal to an object to be detected; s3, acquiring an echo signal returned to the object to be detected, filtering the echo signal, and extracting Doppler information in the filtered echo signal to obtain a final signal; and S4, judging the signal curve and frequency of the final signal, and determining whether the to-be-detected object is an aircraft object or a non-aircraft object. The method can distinguish whether the to-be-detected object is an aircraft object or a non-aircraft object, and compared with a traditional radar positioning mode, the method not only can recognize a large aircraft, but also can detect and recognize small aviation days such as an unmanned aerial vehicle, can distinguish small flyers and natural organisms such as birds, and makes up for the shortages of radar for small aircrafts.
Owner:AEROSPACE INFORMATION RES INST CAS
System working with animal
InactiveCN108167146ALow costMake up for shortcomingsInternal combustion piston enginesFuel supply apparatusAviationAir traffic control
The invention mainly relates to the field of transportation, and in particular relates to a system working with animal. The system is characterized in that a robot / an UAV is adopted to replace workers to work as a partner of the animal; a mini robot / UAV is low in cost; animal is high in loading capacity which fills the gap of the robot / UAV; the animal can move in a long distance, and the powerof the animal supports the robot / UAV, so that the stroke of the robot / UAV is extremely high expanded; the mini robot / UAV nearly does not cause noise pollution and is free from potential risk in navigation while flying close to the head of the animal, and the air traffic control is not broken. According to the system, the animal and the robot / UAV are combined and make good for deficiency, thusthe problem of work cannot be efficiently carried out only by animal can be solved; the robot and the UAV can be reasonably and efficiently utilized. The system is particularly suitable for some dangerous / difficult works and the situations that people cannot work. The application field of the robot / UAV is greatly increased.
Owner:王曦
Internet service determination method and device based on enterprise relationship network
PendingCN114331142AImprove information securityConvenient transactionResourcesComputer networkBusiness enterprise
The invention relates to an internet service determination method and device based on an enterprise relationship network, electronic equipment and a computer readable medium. The method comprises the following steps: extracting a target enterprise owner node corresponding to a target enterprise owner from an enterprise relationship network; according to a first-order neighbor node and a second-order neighbor node of the target enterprise master node in the enterprise relationship network, determining multi-order similarity between the target enterprise master node and other enterprise master nodes; generating a similar enterprise owner set of the target enterprise owner node according to the multi-order similarity; and performing risk assessment on the target enterprise owner according to the risk score of the enterprise owner node in the similar enterprise owner set. According to the Internet service determination method and device based on the enterprise relationship network, association between enterprise owners can be complemented, the enterprise network is further perfected, the shortages of a traditional enterprise relationship network are complemented, the information security and transaction security of the enterprise owners are improved, and the overall performance security is improved.
Owner:SHANGHAI QIYUE INFORMATION TECH CO LTD
Unmanned aerial vehicle data transmission system based on Raspberry Pi Wi-Fi network
ActiveCN112737669AEasy data transferCompact process controlNetwork traffic/resource managementAssess restrictionWireless transmissionUncrewed vehicle
The invention relates to a wireless transmission system, in particular to an unmanned aerial vehicle data transmission system based on a Raspberry Pi Wi-Fi network. The system comprises a Raspberry Pi, an unmanned aerial vehicle and a ground station server, wherein the Raspberry Pi is connected with the unmanned aerial vehicle through an HDMI line, the Raspberry Pi is connected to a power supply, and the ground station server is connected with the Raspberry Pi through a wired network or a wireless network. According to the method, stable undistorted data transmission is carried out by using raspberry Pi as hardware through mechanisms such as preceding waiting and non-interactive file queues, so the problem of data transmission under the low-altitude condition of weak coverage capacity of a ground base station and in remote areas without signal coverage is effectively solved.
Owner:HUBEI CENT CHINA TECH DEV OF ELECTRIC POWER
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