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80results about How to "Improve delivery success rate" patented technology
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Improved routing method based on social correlation degree in delay tolerant network
ActiveCN102868602AImprove delivery success rateImprove routing efficiencyData switching networksWireless communicationSocial correlationMessage passing
An improved routing method based on the social correlation degree in a delay tolerant network aims at resolving the problem that routing efficiency is low due to intermittent connectivity and long delay in the delay tolerant network, and nodes with social selfishness in nodes in the social network refuse to provide retransmission service. The improved routing algorithm SLABR (Social Link Awareness Based Routing) based on the social correlation is provided. The method includes calculating the social correlation degree to construct friend node groups according to meeting historical information between the nodes by utilizing the social network analyzing method, adopting different retransmission strategies in the groups and between the groups and possibly reducing delay while improving message passing success ratio with small expenses. Simulation results prove that the algorithm improves message passing success ratio, reduces transmission delay and further improves routing efficiency compared with the existing mechanism.
Owner:王堃
Telematics network node screening and accessibility routing construction method based on self-encoding network
ActiveCN105245608AImprove performanceIncrease average latencyTransmissionScreening methodScreening algorithm
The invention relates to the technical field of telematics, and provides a telematics network node screening and accessibility routing construction method based on a self-encoding network. The entire routing mechanism comprises data preprocessing, self-encoding network training and node screening algorithm realization. The self-encoding network can provide a high-dimensional continuous data space and bidirectional mapping of a low-dimensional nested structure. The self-encoding network can be used to excavate and extract the related characteristics of node information in a large-scale road transport network. Dimension lowering is carried out on original information. The amount of data in a data transmission process is reduced. An effective way is provided for screening key nodes in the network. According to the invention, a great node screening method is provided for a highway scene, and the network performance is effectively improved.
Owner:TONGJI UNIV
Routing method of delay tolerant network based on degree of intimacy and time constraint forwarding
ActiveCN104579957AImprove delivery success rateData switching networksRouting decisionComputer network technology
The invention relates to a routing method of a delay tolerant network and particularly relates to a routing method of a delay tolerant network based on degree of intimacy forwarding, and belongs to the technical field of computer networks. The method comprises the following steps: 1, once a node carrying datagram encounters other nodes, respectively calculating the direct and indirect degrees of intimacy of two nodes and the target node; 2, carrying out routing decision according to a result calculated in the step 1; 3, repeating the steps 1 and 2 until the datagram is transferred to the target node or TTL of the datagram is reduced to 0. According to the routing method of the delay tolerant network based on degree of intimacy forwarding provided by the invention, the degrees of intimacy between two pairs of nodes in the network are depicted by applying a Poisson distribution model to the delay tolerant network and combining historical information that the nodes encounter in the network and the Poisson distribution model. Routing decision is carried out by comparing the degree of intimacy of the nodes and the target node once the two nodes encounter in the network, so that the transfer success rate of the datagram of the network is maintained at a relatively high level.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Optimization method for wireless mobile network route selection
InactiveCN103200642AImprove performanceImprove delivery success rateWireless network protocolsWireless mesh networkMessage delivery
The invention discloses an optimization method for wireless mobile network route selection, and belongs to the field of wireless mobile networks. The specific technical scheme includes: according to the number of neighbors of network nodes, dynamically defining local areas in a network in real time, partitioning the nodes with the number of the neighbors larger than a defined value into the local areas with large intensity, routing the nodes in the local areas according to network topology of the local areas of current sending nodes and based on a unisource shortest route, and routing the nodes outside the local areas by adoption of a routing protocol based on geographic locations; and if routing fails, the sending nodes store messages to be sent, and after T time, performing the routing selection again. The optimization method for the wireless mobile network routing selection can be applied to high dynamic wireless mobile networks including vehicle-mounted self-organization networks and the like. According to the optimization method for the wireless mobile network routing selection, the routing based on the geographic locations is fully combined with the routing based on the network topology, the routing based on the geographic locations and the routing based on the network topology are called according to occasions, a message delivery success rate is increased, time delay is reduced, and overall performance of the network is enhanced.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Occluder delivery system for cardiac surgery department
The invention relates to an occluder conveyance system comprising a puncture sheath with a puncture sheath tube and a propel member displaced therein, an occluder tubular carrier having a unilateral valve in the end and a conveyance steel cable used for cardiac surgery department. The puncture sheath tube and the occluder tubular carrier form a detachable connection by a set of connection member. The occluder conveyance system introduces the occluder from the body surface directly to the affected part by the puncture sheath under the guidance of an ultrasonic equipment. It is free of radiation, contrast and other interference tool, having no request on patient age and no impact on peripheral vessel, in addition, it has short operation time and low therapycost.
Owner:BEIJING BALANCE MEDICAL
Three-dimensional code generating and parsing method and device
InactiveCN104615791ARich dataImprove delivery success rateRecord carriers used with machinesSpecial data processing applicationsData streamParsing
The invention provides a three-dimensional code generating and parsing method and a three-dimensional code generating and parsing device. The three-dimensional code generating method comprises the following steps: presetting a two-dimensional code data length and a three-dimensional code output format, reading binary data flow information corresponding to target page information, splitting the binary data flow into subsectional binary data flows according to the preset two-dimensional code data length, generating the subsectional binary data flows into two-dimensional codes, and combining the two-dimensional codes into a three-dimensional code according to the preset three-dimensional code output format. The three-dimensional code parsing method comprises the following steps: scanning and parsing the three-dimensional code, wherein the three-dimensional code comprises the two-dimensional codes, frame frequencies for outputting the two-dimensional codes, and a sequence for outputting the two-dimensional codes; according to the frame frequencies of the two-dimensional codes in the parsed three-dimensional code and the sequence for outputting the two-dimensional codes, parsing information in the two-dimensional codes, and combining the information of the two-dimensional codes to obtain the target page information.
Owner:INSPUR GROUP CO LTD
Intelligent distribution path planning method based on time reservation
InactiveCN107330655AImprove delivery success rateReduce delivery costsResourcesLogisticsPersonalizationShortest path planning
The invention relates to an intelligent distribution path planning method based on time reservation. According to the intelligent distribution path planning method based on time reservation, expresses are divided into A class orders and B class orders according to the client distribution time requirements and a brand-new distribution scheduling method is designed based on the division result, and a shortest path planning design method is introduced through combination of the load of each distribution vehicle so that each distribution vehicle is enabled to perform distribution according to the optimal path planning, accurate distribution for the A class orders and the B class orders can be realized, the customized distribution service can be provided for the user, the success rate of distribution can be enhanced and the distribution cost can be saved.
Owner:NANJING UNIV OF POSTS & TELECOMM
Digital twin smart cloud scheduling method meeting personalized customization production
PendingCN112270508AClearly affect order indicatorsImprove reliabilityResourcesLogisticsPersonalizationComputer science
The invention provides a digital twin smart cloud scheduling method meeting personalized customization production, and relates to the technical field of personalized customization production workshopsmart scheduling. According to the invention, cloud pre-scheduling production planning is carried out on personalized orders of users according to three index weights of user levels, order delivery date priorities and development difficulties, and product performance is predicted and analyzed based on digital twinning body modeling and joint simulation of a single system or multiple system software, and full-digital decision scheduling control with control scheduling algorithm information is performed. Equipment information, material carrying information and warehouse information of the physical workshop can be transmitted to the twin workshop, the reliability and usability of products can be effectively improved through bidirectional information interaction between the twin workshop and the physical workshop entity, the requirement for small-batch personalized production is met, and meanwhile the product research, development and manufacturing risks are reduced.
Owner:NORTHEASTERN UNIV
Method of achieving parcel delivery and pickup in network-free coverage environment
ActiveCN107393200AAchieve self-managementImprove reliabilityApparatus for meter-controlled dispensingIndividual entry/exit registersLogistics managementPassword
The invention discloses a method of achieving parcel delivery and pickup in a network-free coverage environment, and relates to the technical field of delivery of parcels or articles in postal service, express delivery, logistics, and distribution industries. The method comprises the steps of package delivery and pick-up, wherein the package delivery step comprises the steps that a delivery man operates a delivery cabinet through a delivery program, and completes a delivery operation according to prompts; after the completion of the delivery operation is confirmed, a password for the pickup is generated by the delivery program of the delivery man, and the password is verified whether or not it is duplicated, if the verification is not passed then the password is regenerated until a non-duplicated password is generated; delivery information is generated by the delivery program of the delivery man, a control board receives and verifies the delivery information, after the verification is passed, confirmation of the delivery information is returned to the delivery program, and the delivery program saves the delivery information to a terminal database of the delivery man. The method can achieve parcel delivery and pickup in the network-free coverage environment, and does not need background server support.
Owner:深圳市高德威技术有限公司
Node transmission capability based vehicular spray and focus routing protocol method
ActiveCN106209627ANo unlimited floodingImprove delivery success rateData switching networksCache managementMultiple copy
The invention provides a node transmission capability based spray and focus routing protocol method. The method comprises a multi-copy spray stage and a single-copy focus stage. The multi-copy spray stage indicates that possible routes are searched by spraying the message copies to a network when a node owns multiple copies of a certain message. According to the method, the transmission capabilities of nodes for the messages are measured through factors such as the vehicle speed, change rates of encountering nodes and residual cache sizes, and message spray tasks are allocated proportionally according to the transmission capabilities. The single-copy focus stage indicates that the node is allowed to forward the unique message copy to a relay node with the transmission capability higher than that of the node when the node owns the copy of a certain message. The forwarding of the message is controlled by taking the node transmission capability as a comparison condition. According to a cache management strategy designed by the method, the redundant messages are eliminated through adoption of a delivery message confirmation mechanism; and the sending sequence of the messages is determined by taking the residual survival time of the messages and the number of the copies capable of being copied as message allocation priorities.
Owner:SUN YAT SEN UNIV
Car-Networking Node Selecting Method based on BS-TS and Autoencoder Network, and Accessibility Routing Mechanism Thereof
ActiveCN105743783AImprove applicabilityReduce complexityData switching networksNetwork densityCoupling
A car-networking node selecting method based on BS-TS and autoencoder network, and an accessibility routing mechanism thereof belong to the technical field of car networking. According to a problem of irregular distribution of sparse and dense networks in urban roads caused by time and space distribution differences of car-networking nodes, an appropriate node selecting method is provided for different time points and different road sections. Combined with the problems such as low interconnection coupling degree present in car-networking large-scale heterogeneous network, an accessibility routing mechanism suitable for urban roads is designed. By studying a block dividing method of a large-scale car-networking road network diagram, the method in the present invention divides the large-scale car networking into serval small-scale networks, comprehensively considers road sections having similar network density distribution according to an intra-network node number variation trend similarity algorithm and reduces complexity for processing. The routing mechanism does not only have higher success rate for data packet transmission, but also has better stability.
Owner:TONGJI UNIV
Life ring throwing mount and unmanned aerial vehicle
ActiveCN106741734ASimultaneous servingSolve the rescue situation of falling into the water at the same timeAircraft componentsLife-raftsEngineeringGround station
The invention discloses a life ring throwing mount and an unmanned aerial vehicle. The life ring throwing mount comprises a connecting frame and a plurality of peripherally arranged life ring mount assemblies around the center of the connecting frame, wherein each life ring mount assembly comprises a mounting plate fixedly connected onto the connecting frame, a throwing mechanism mounted on the mounting plate, and a life ring arranged below the throwing mechanism. The unmanned aerial vehicle comprises a vehicle body and a mainboard in communication connection with a ground station, wherein the connecting frame is fixed at the bottom of the vehicle body, and steering engines inside all the life ring mount assemblies are respectively connected onto the mainboard. A plurality of life rings can be thrown simultaneously, the throwing structures are simple, and mechanical breakdown is unlikely to appear.
Owner:HARWAR INT AVIATION TECH SHENZHEN
Unmanned aerial vehicle retardation releasing device
ActiveCN107972872AShorter run timeGood aerodynamic shapeAircraft componentsUncrewed vehicleEngineering
The invention provides an unmanned aerial vehicle retardation releasing device. The unmanned aerial vehicle retardation releasing device comprises a head cover, a middle cabin, a tail skirt, a retarder parachute, a controller and a cutting rope. The middle cabin is a hollow cylinder, one end of the middle cabin is connected with the bottom face of the hemispherical head cover, the other end of themiddle cabin is connected with the upper bottom of the circular-table-shaped tail skirt, and an unmanned aerial vehicle is fixed to the interior of a cavity formed by the head cover and the middle cabin; and the retarder parachute and the controller are installed in the tail skirt, and the cutting rope is bonded to the inner surfaces of the head cover and the middle cabin and the joint of the middle cabin and the tail skirt along the axis of the middle cabin in an axially symmetrical mode. According to the unmanned aerial vehicle retardation releasing device, the unmanned aerial vehicle can be rapidly and effectively released from a parent aircraft, and successful take-off of the unmanned aerial vehicle can be ensured.
Owner:西安长峰机电研究所
Order information management system and method
PendingCN106204192AHigh degree of automationExtended service lifeBuying/selling/leasing transactionsCleaning using gasesEnterprise information managementManagement system
The invention belongs to the mail delivery technical field and relates to an order information management system and an order information management method. The order information management method includes the following steps that: physical slow delivery orders issued by customers are acquired, and first mailing information is generated, and the first mailing information is transmitted to a cloud server; electronic slow delivery orders issued by the customers are acquired, and second mailing information is generated, and the second mailing information is transmitted to the cloud server; a personnel information database, an address database and an order database are built in the cloud server according to the first mailing information and the second mailing information; daily business lists are generated according to mapping relationships among the personnel information database, the address database and the order database; and the daily business lists are obtained periodically, and daily delivery business is executed. With the order information management method proposed by the invention adopted, the length of service of slow delivery business can be prolonged, and the delivery success rate of the slow delivery business can be improved, and therefore, the method has a potential for extending slow delivery business capacity on a large scale.
Owner:王京
Method and device for providing order distribution information
PendingCN107093037AImprove shopping experienceImprove delivery success rateBuying/selling/leasing transactionsLogisticsTime rangeCurrent distribution
The present invention provides a method and device for providing order distribution information. A client can determine a current distribution sequence and distribution time range of an order by means of currently provided order distribution information, so as to reasonably arrange receiving time, which not only increases a distribution success rate of a distributor but also improves purchasing experience of the client to a certain extent. The method for providing order distribution information provided by the present invention comprises: receiving a loading start instruction, and then recording a loading sequence of an order; receiving a load end instruction, and then determining a distribution sequence of the order according to the loading sequence of the order; according to a preset distribution time of a first order in a vehicle, a preset distribution time of a last order in the vehicle and a quantity of orders, calculating an average distribution duration of all the orders in the vehicle, and then determining distribution time of each order in the vehicle according to the average distribution duration; and providing a distribution sequence of the order and a distribution time range of the distribution time of the order for a client corresponding to each order.
Owner:BEIJING JINGDONG ZHENSHI INFORMATION TECH CO LTD
Multi-mode switching type Internet of Vehicles routing method
ActiveCN110446184AAvoid timeout packet lossReduce network stressNetwork traffic/resource managementParticular environment based servicesPacket lossThe Internet
The invention discloses a multi-mode switching type Internet of Vehicles routing method. The method comprises the following steps that: an RSU node performs switching judgment according to the sendingcondition of a data packet of the RSU node and the use condition of a cache stack, and performs switching among a V2I2V greedy forwarding mode, a prediction+copy transmission mode and a load balancing mode. According to the invention, the RSU wired network is utilized to assist in delivering the inter-vehicle multi-hop message. The load balancing according to the residual survival time of the data packet in combination with the estimated waiting time in the RSU message waiting queue, the data packets originally gathered in the heavy-load RSUs are shared to each light-load RSU, so that the network pressure of the heavy-load RSUs is reduced. The overtime packet loss caused by long-time waiting of the data packets in a message waiting queue of the heavy-load RSUs is avoided. Meanwhile, threeworking modes are designed for the RSU, so that the routing protocol can adapt to working environments with low vehicle node density and high vehicle node density. The end-to-end time delay of Internet of Vehicles routing is reduced, and the delivery rate is improved.
Owner:SOUTH CHINA UNIV OF TECH
Routing method for internet of vehicles based on user activity area model
ActiveCN105792311AReduce the difficulty of forwardingImprove delivery success rateWireless communicationThe InternetSocial network
The invention provides a routing method for an internet of vehicles based on a user activity area model. The routing method for the internet of vehicles based on the user activity area model is provided to overcome the problem in the current internet of vehicles that user motion has community character, thus a message packet is difficult to transmit to a destination mode to result in a low delivery rate. The method comprises the following steps: (1) exploring the most possible activity area of a user according to the community character of node activity in a social network (SNs:Social Networks); (2) forwarding a message packet to the most possible occurrence area of the destination node by adopting the principle of proximity; and (3) waiting for the meeting the destination node and a hotspot carrying the message packet to deliver the message packet. The purpose is to change the traditional mode that the message packet is forwarded to a signal node into a mode that the message packet is forwarded to the user activity area, so as to greatly improve the delivery rate of the message packet.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
Method and system for transmitting multimedia message
InactiveCN101986733AImprove delivery success rateHigh delivery accuracyError prevention/detection by using return channelNetwork traffic/resource managementComputer terminalMultimedia Messaging Service
The invention discloses a method for transmitting a multimedia message. The method comprises the following steps that: a short message service center (SMSC) transmits a notification short message to a mobile terminal and a delivery status message to a multimedia messaging service center (MMSC); and when the MMSC determines that the notification short message is successfully delivered according to a delivery status code in the delivery status message, the MMSC finds a multimedia message according to a message identifier of the notification short message in the delivery status message and transmits the multimedia message to the SMSC. The invention also provides a system for transmitting the multimedia message. According to the technical scheme of the invention, the transmission accuracy and the success rate of the multimedia message are improved.
Owner:ZTE CORP
Congestion control method based on socially aware in delay tolerant network
ActiveCN103532865AAvoid discardingReduce the impact of delivery success rateData switching networksTime delaysPacket loss rate
The invention discloses a congestion control method based on socially aware in a delay tolerant network in order to solve the problem of congestion caused by discontinuous connection, long-time delay and node cache limit of the social delay tolerant network. A social congestion metric is constructed by considering the social relation characteristic and congestion level of each node; in a transmitting process, a message is transmitted to the node with relatively high social congestion metric; when congestion is caused, the message corresponding to the least value according to the social relation value between the target node corresponding to the message and the current message-carrying node is selected and discarded, and the influence on the routing efficiency caused by blind packet loss is reduced. A simulation result shows that compared with the current algorithm, an SACC (socially aware congestion control) algorithm has the advantages that within a tolerant time-delay range, the success rate of transmission can be effectively improved, the packet loss rate is reduced, and spending is reduced.
Owner:王堃
Cloud service method for short message communication of Beidou communication application system
ActiveCN113365233AOptimize deployment scheduleImprove delivery success rateInformation formatContent conversionComputer networkTelecommunications
The invention relates to a cloud service method for short message communication of a Beidou communication application system. The Beidou communication application system is composed of a Beidou cloud service center, the Internet, a Beidou transmit-receive system, a Beidou short message wireless network and a front Beidou monitoring terminal, wherein the Beidou cloud service center and the Beidou transmit-receive system are in bidirectional data communication, and the Beidou transmit-receive system and the front Beidou monitoring terminal carry out bidirectional data communication. The cloud service center can analyze the Beidou communication machines in the multiple remote secondary Beidou receiving and transmitting systems, obtain the current optimal Beidou card number, and send a short message through the Beidou communication machine with the current optimal Beidou card number. The invention has the beneficial effects that the longer the in-service time is, the more favorable the improvement of the issuing success rate to the three-stage front Beidou monitoring terminal is, and the more favorable the optimization of the deployment arrangement of the Beidou communication machine is.
Owner:FUJIAN JIXING INTELLIGENT TECH CORP LTD +1
Access control system, method and device and intelligent loudspeaker box
PendingCN111415448AVersatileImprove convenienceIndividual entry/exit registersComputer hardwareInformation control
The invention discloses an access control system, method and device, an intelligent loudspeaker box and electronic equipment. A visited user dials a room number through the access control device; theaccess control device sends an access control calling request for the target room to the server; the server determines an intelligent sound box corresponding to the target room according to the corresponding relationship set between the room identifier and the sound box identifier, and forwards the visiting user information acquired by the access control device to the sound box, and the sound boxperforms identity verification on the visiting user according to the user information and the target identity information; and if the identity verification is passed, access control opening instruction information is sent to the server, and the server controls the access control device to unlock the access control according to the instruction information. By adopting the processing mode, the identity of a visitor can be verified through the sound box under the condition that nobody is at home, and the access control is unlocked through the sound box after the verification is passed; therefore,the access control unlocking convenience can be effectively improved, and the user experience is improved.
Owner:ALIBABA GRP HLDG LTD
Method for increasing success rate of mail delivery
InactiveCN108712318AImprove delivery success rateIncrease success rateData switching networksIp addressClient-side
According to a method for increasing a success rate of mail delivery, an IP address pool, a detection module and a switching module are added to a mail delivery server cluster. A process for sending amail by a mail delivery server includes the following steps: a mailbox client sends the mail to the mail delivery server cluster; the mail delivery server cluster polls either mail delivery server inthe mail delivery server cluster through the IP address for mail delivery according to a mechanism of using one IP address by the mail delivery server; the mail delivery server activates a detectionmodule for detecting whether the delivery is abnormal; if there is an abnormality, the switching module is activated; the switching module replaces an original IP address with the new IP address, andreactivates the mail delivery server to use the new IP address for the delivery. According to the method for increasing the success rate of the mail delivery, the mail delivery is optimized and the success rate of the mail delivery is enhanced by detecting the mail delivery and switching the IP address to the mail delivery server.
Owner:GUANGDONG EFLYCLOUD COMPUTING CO LTD
Method, system and apparatus for putting open-screen advertisement of application program and medium
InactiveCN109992734AImprove delivery success rateGuaranteed experienceAdvertisementsData switching networksLower limitApplication procedure
The invention discloses a method, system and apparatus for putting an open-screen advertisement of an application program and a medium. The method comprises the following steps: detecting a network downloading speed between the application program and an advertisement server after the application program is started; selecting an open-screen advertisement display mode of the application program according to the network downloading speed; when the network downloading speed is higher than a preset upper limit threshold value, downloading an on-screen advertisement from an advertisement server andcompletely displaying the on-screen advertisement; and when the network downloading speed is lower than the preset lower limit threshold value, skipping the open-screen advertisement and not displaying, and finally entering a main interface of the application program in at least one limited display mode that the network downloading speed is in an interval of the preset upper limit threshold valueand the preset lower limit threshold value. The open-screen advertisement display mode of the application program is selected according to the network downloading speed, the user experience can be guaranteed, meanwhile, the success rate of open-screen advertisement putting is improved to the maximum extent, and therefore the purpose of inventory improvement is achieved, and the problems that theopen-screen advertisement inventory is small, and the experience is poor are solved.
Owner:HUNAN HAPPLY SUNSHINE INTERACTIVE ENTERTAINMENT MEDIA CO LTD
Distribution system for express distribution center
InactiveCN105469235AImprove delivery success rateReduce labor intensityLogisticsDistribution systemElectricity
The invention discloses a distribution system for an express distribution center, comprising an express sending device, a controller, a dialing module, a data storage module, a positioning module and a receiving module. The express sending device is in communication connection with the controller. The controller is electrically connected with the data storage module. The controller acquires express waybill information from the express sending device and stores the express waybill information in the data storage module. The positioning module is in communication connection with the controller. The controller is electrically connected with the dialing module. The controller extracts all the waybill information of a distribution vehicle from the data storage module and the positioning result of the positioning module on the distribution vehicle, calculates the distance between the distribution vehicle and the recipient address in each piece of waybill information, and sorts expresses. The controller makes the dialing module call the numbers of recipients in sequence according to the order, determines whether it is convenient for each recipient to pick up the express, and sends the determining result to the receiving module. With the system, the distribution success rate of distribution personnel can be improved, the labor intensity distribution personnel can be reduced, and the efficiency of distribution can be improved.
Owner:合肥天之通电子商务有限公司
Precise conveying device for slender workpieces and conveying method thereof
PendingCN108249124ARealize automatic deliveryControllable delivery rateConveyorsConveyor partsEngineeringMechanical engineering
Owner:马鞍山邦德医疗器械有限公司
Gas well full-life-cycle downhole throttling production device and using method thereof
PendingCN111075407AImprove delivery success rateHigh hardnessFluid removalProcess engineeringEnvironmental geology
The invention discloses a gas well full-life-cycle downhole throttling production device and a using method thereof. The gas well full-life-cycle downhole throttling production device comprises a dispenser and a downhole throttle; the lower end of the dispenser is provided with two symmetric strip-shaped grooves, and the dispenser and the downhole throttle are fixedly connected together through apin. The gas well full-life-cycle downhole throttling production device adopts a special material V-shaped sealing ring to form self-sealing seal, and the dispensing success rate is high; the sealingsurface is short and high in hardness, releasing force is small during salvaging, and the salvage success rate is high; and meanwhile, the gas well full-life-cycle downhole throttling production device has the effects that during salvage failure, a large channel is formed by knocking off a gas nozzle, and smooth implementation of a drainage gas extraction process of a gas well in the middle and later periods is not affected, the gas well full-life-cycle downhole throttling production device is simple in structure, on-site operation is convenient, and cost reduction and efficiency increasing are significant.
Owner:PETROCHINA CO LTD
Plane advertisement implanting method and device
ActiveCN113038268ASave bandwidthReduce the amount of informationSelective content distributionEngineeringKey frame
The invention provides a print advertisement implanting method and device, and the method comprises the steps: enabling a server to obtain a key frame in a video clip where an advertisement can be implanted, determining an area where the advertisement can be implanted in the key frame, and determining a transformation matrix between each common frame and the key frame in the video clip where the advertisement can be implanted; and sending the material layer of the key frame and the transformation matrix between each common frame and the key frame to the player; compared with a mode of issuing information such as the material layer of each frame and the like to the player, the method reduces the amount of issued information, saves the network bandwidth, and improves the release success rate.
Owner:HUNAN HAPPLY SUNSHINE INTERACTIVE ENTERTAINMENT MEDIA CO LTD
Multi-channel conveying device for elastic fixing clamps
ActiveCN106829399AStable deliveryImprove protectionConveyorsConveyor partsEngineeringMechanical engineering
The invention relates to a multi-channel conveying device for elastic fixing clamps. The multi-channel conveying device comprises a posture adjustment mechanism, conveying channels, clamping supplying mechanisms, buffering mechanisms and clamp conveying mechanisms, wherein the posture adjustment mechanism is used for adjusting the posture of elastic fixing clamps and continuously discharge the elastic fixing clamps; the posture adjustment mechanism is connected with the conveying channels; the clamping supplying mechanisms are used for supplying the elastic fixing clamps to the buffering mechanisms quantitatively; the buffering mechanisms are arranged on the tail ends of the conveying channels; the clamp conveying mechanisms are used for clamping and outputting the elastic fixing clamps and are located below the buffering mechanisms; each conveying channel comprises a shell and a positioning guiderail which is used for limiting the posture of the elastic fixing clamps; and each positioning guiderail is arranged in the corresponding shell. By adopting the multi-channel conveying device, the elastic fixing clamps can be rapidly and stably conveyed, and the multi-channel conveying device belongs to the technical field of gardening vegetable grafting devices.
Owner:SOUTH CHINA AGRI UNIV
Method and device for issuing messages
ActiveCN103118345AImprove the success rate of message deliveryReduce loadNetwork traffic/resource managementMessaging/mailboxes/announcementsReal-time computingStatus report
The invention discloses a method and a device for issuing messages. The method for issuing the messages comprises a step of receiving messages which carry error codes and issuing status reports, a step of recognizing types of the error codes which are carried in the status reports issued by the messages, a step of setting corresponding sending shield period of the types for a target user number which is aimed by the status reports issued by the messages. When the target user number is in a sending shield period, messages are not issued to the target user number. By means of the application of the method and the device for issuing the messages, message issuing success rate can be improved, and therefore, load of network cell equipment related to short / multimedia messages is reduced, and bandwidth resource is saved.
Owner:CHINA MOBILE COMM GRP CO LTD
MPR set selection method based on isolation degree and non-MPR nodes
ActiveCN110139304AIncrease the number ofReduce in quantityWireless communicationWireless mesh networkDistributed computing
The invention provides an MPR set selection method based on isolation degree and non-MPR nodes, and belongs to the field of wireless Mesh network protocols. The method aims at an MPR selection algorithm in a standard OLSR protocol. The global optimal MPR set problem cannot be solved; meanwhile, a large number of TC packets are generated in an environment where a large number of nodes are accessed;therefore, network congestion and load imbalance are caused. Based on an OLSR protocol, the storage data of the neighbor nodes are expanded to three-hop neighbor nodes, a selection algorithm based onan isolation degree and a non-MPR node is provided, the optimal MPR node is determined by comparing the independence value or the non-MPR node value of the node, the condition of randomly selecting the MPR node is avoided, the underlying protocol code is improved and optimized for passing, and the generation of TC messages in the whole network is not reduced, so that the total throughput and thepacket delivery rate of the network are improved.
Owner:SOUTHEAST UNIV
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