97results about How to "Reduce overhead costs" patented technology

The invention discloses a vehicle-mounted ad hoc network security authentication method based on a Cuckoo filter. The method comprises the following two steps: 1) identity authentication between a vehicle and an infrastructure (V2I), wherein the step comprises the following four specific processes: system initialization, initial handshake, message signature and massage authentication; and 2) identity authentication between vehicles (V2V), wherein the step comprises three specific processes: group key generation, group message signature and group massage authentication. The method is realized based on software without depending on any other specific hardware equipment; an unparalleled linear pairing method is adopted in the authentication phase, and the unparalleled linear pairing authentication method is suitable for both V2I and V2V authentication, so that the method has efficient computing power and lower cost; and in the batch certification phase, the Cuckoo filter and the binary search technique are adopted to detect whether signature is effective, so that efficiency of the authentication phase is improved to a great extent.

The invention discloses a virtual power plant internal market transaction method and system based on an alliance block chain. The method comprises: step 1, constructing a complete information dynamicgame model between subjects of a virtual power plant based on an alliance block chain network; step 2, solving a final Nash equilibrium solution of the complete information dynamic game model; and step 3, applying the obtained final Nash equilibrium solution to an alliance block chain network of the virtual power plant, realizing internal transactions among subjects of the virtual power plant by adopting a block chain consensus algorithm, and finishing transaction settlement among the subjects of the virtual power plant in an intelligent contract form. According to the alliance block chain-based virtual power plant internal market transaction method and system provided by the invention, the alliance block chain technology is adopted to provide an internal transaction platform for the virtual power plant, the POV is used as a consensus algorithm, and high-speed transaction and low network overhead cost are ensured while decentralization is realized.

The invention provides an urban global traffic facility bearing capacity evaluation method based on a dynamic model. A dynamic model allocation method is used as a basis; by means of a traffic four-stage model of land utilization, the population employment scale under land utilization is analyzed and planned, the total traffic demand and traffic travel space distribution are calculated, the accessibility and service characteristics of various traffic facilities such as urban roads, buses and rails are considered to calculate the supply capacity, and the traffic facility bearing capacity is scientifically evaluated; according to the evaluation method, an organization mode of 'multiple feedback of traffic land from the whole to the part' is adopted, the coordination degree of traffic facilities and land utilization on the whole level of the whole city can be evaluated, and optimization suggestions can be provided on the local level. The evaluation method can be directly applied to territorial space planning, urban general regulation, land development intensity demarcation and the like, guides reasonable scale and layout of land utilization, and realizes matching of the land development scale and traffic facility capacity.

The invention provides an image computer visualized marking method. According to the method, a computer visual recognition-based specific mark can be generated when an image is obtained, formed or processed, and can be embedded in the image; the specific mark can adopt standard visual format forms such as a three-dimensional code and a code; and information included in the specific mark can be preset or immediately obtained, for example, the information is obtained from an associated clock, a function system and the like. Through slight modification, the method can be used for the recognizable marking of non-images such as sound and the like; and the specific mark is replaced by a corresponding recognizable specific mark. The recognizable specific mar of the marking method is replaced by a digital mark which can be read on the basis of a computer, and by adoption of an embedding manner such as digital watermark insertion, readable marking can be realized. The invention furthermore discloses equipment supporting the marking method and an associated application method. According to the method, the rapid extraction, analysis and retrieval of information included in image and the like can be facilitated, the repeated analysis and recognition are avoided to reduce the expenditure, and the evidentiary effect can be strengthened.

A process for determining the location of entities carrying transmitters (TXs) that transmit TX ID messages to at least one receiver (RX) connected to a computer, in a network of computers. Each RX sends data messages to its associated computer which includes an identifier identifying the TX transmitting the TX ID message, the signal strength of the received TX ID message, and a RX identifier. Each RX computer generates badge hit messages from each data message, and provides them to a centralized computer of the network. The centralized computer generates a badge hit table having a separate entry for each badge hit message, which has fields including the information received in the badge hit message and a hit time indicating the time the entry was added to the table. The badge hit table data is used to determining the location of the TXs, and so the entities.

The present invention relates to a method and apparatus for updating a key for encrypting multicast data in a wireless communication system. The method of the present invention is characterized by comprising: an information receiving step of receiving information on a group entry time and a group exit time from users who have newly entered an arbitrary group including at least one subgroup; a grouping step of grouping the users using the information on the group entry time and the group exit time; and a key transmission step of either transmitting, to the newly-entered users, keys related to the group and the subgroups, or updating, for the remaining users of the subgroups, both the key related to the subgroup to which the user exiting the group belongs and the key of the group and then transmitting the updated keys to the users of the subgroups.

The invention discloses an accelerating core virtual scratch pad memory method based on a heterogeneous multi-core platform. The accelerating core virtual scratch pad memory method includes the following steps: (1) dividing shared L2Cache into two portions of common L2Cache and a virtual scratch pad memory (SPM) logically; (2) setting a virtual SPM access interface; (3) setting a replacing strategy of the common L2Cache and the virtual SPM again; (4) addressing the virtual SPM and a memory uniformly; and (5) defining a virtual SPM space request and a released MIPS assembling command. By optimizing a storage cache sub-system of the heterogeneous multi-core platform partially, data interaction between a general processing core and an accelerating core is no longer finished through the memory and is finished by achieving data sharing in the virtual SPM. By means of the method, shared data interaction speed between the general processing core and the accelerating core is increased effectively, and the integral performance of the heterogeneous multi-core platform is obviously improved. Meanwhile, the virtual SPM can replace an SPM of the accelerating core partially, the capacity of the SPM of the accelerating core itself can be saved, and the cost of hardware is reduced.

The invention discloses a monitoring data uploading method. The method comprises the following steps: when an application program is started, reporting device information of a device where the application program is located to a background server for one time and storing the device information; judging whether the volatile data of the current device changes; if so, generating a new associating code, and performing associated storage on the associating code and the changed volatile data; during the period when the volatile data is not changed, performing associated storage on all to-be-reportedevent monitoring data and the current latest associating code within the period; and during the data reporting, assembling and compressing related information in the stored device information, the volatile data subjected to associated storage with the same associating code and the event monitoring data to obtain a monitoring data packet and uploading the monitoring data packet to the background server. The invention further discloses a monitoring data uploading apparatus, device and system, and a storage medium. By adoption of the monitoring data uploading method, apparatus, device and system, the repeated uploading of the redundant data can be reduced while the integrity of the monitoring data is ensured, thereby saving the traffic for the user.

The invention provides a digital-to-analog converter comprising a thermometer encoder, a random clock dynamic element matching module and a current source array, wherein the thermometer encoder is used for converting an input digital signal code stream into a thermometer code; the current source array is used for outputting an analog signal; the random clock dynamic element matching module is connected with the thermometer encoder and the current source array and provided with a random clock for generating a random clock signal and a current source channel array for transmitting the thermometer code; and the random clock dynamic element matching module alternates the ranking position of the thermometer code in the current source channel array according to the random clock signal and outputs a thermometer code control signal to the current source array according to the ranking position of the thermometer code. In the digital-to-analog converter, a random clock is introduced by the random clock DEM (dynamic element matching) module, therefore the use of a large quantity of randomized modules is avoided, and the effects of reducing the cost of realizing hardware for a circuit and improving the digital-to-analog conversion efficiency are achieved.

The invention discloses a business processing method used for improving the business processing efficiency. The method comprises: determining a plurality of transactions in business processing; dividing the transactions into at least two parallel transaction groups according to constrained relationship information of the transactions, and determining a transaction execution sequence of the transaction groups containing at least two transactions; and processing the transaction groups in parallel, wherein for the transaction groups containing the at least two transactions, the contained transactions are executed according to the corresponding transaction execution sequence. The invention furthermore discloses a business processing apparatus.

The invention relates to a device for manufacturing a dental crown, in particular to a machining tool. An oral prosthesis machining tool of the invention comprises a tool framework; three translation axes in the transverse, longitudinal and vertical three-dimension direction are arranged on the tool framework; and one side of the transverse translation axis is provided with a workpiece positioning device which is connected with the tool framework through a flexible connector and can slide along the transverse translation axis. The machining tool of the invention has the advantages of simple structure, easy control and operation, high efficiency, high precision and good economical efficiency, can machine metals and machine ceramics with performance closer to that of dental materials by introducing an automatic industrial production system, and meanwhile can establish an interactive network between a central work station and substations by using network technology to implement long-distance design and manufacture and wearing of the prosthesis so as to reduce the indirect expense of wearing and realize resource sharing; therefore, the oral prosthesis machining tool is easy to popularize and use in the market, and has broad industrialized prospect.

The invention discloses a method and system for carrying out zero-emission treatment on high-chlorine desulfurization wastewater and promoting flue gas to be subjected to denitration and mercury removal. The method comprises the following steps: firstly, carrying out reverse refluxing concentration on the desulfurization wastewater and part of the flue gas; after pre-treating the wastewater, pumping the wastewater into a cathode chamber of an electrolysis system, so as to obtain alkaline slurry containing high-concentration chlorine ions; refluxing the alkaline slurry into a pre-treatment coagulation precipitation tank; enabling the high-concentration chlorine ions to penetrate though an anion exchange membrane to enter an anode chamber; electrolyzing in the anode chamber to generate chlorine gas and oxygen gas; after mixing the chlorine gas, the oxygen gas, anode electrolyte and air, conveying a mixture into a prepositioned SCO system to participate in oxidization of Hg<0> and part ofNO. According to the method disclosed by the invention, high-chlorine desulfurization wastewater treatment and the denitration and mercury removal of the flue gas are subjected to ectopic coupling, so that the zero-emission aim of the desulfurization wastewater is realized, the problem of Hg<0> pollution also can be solved through simultaneous oxidation and the content of NO2 in the flue gas is improved; denitration reaction of rapid SCR (Selective Catalytic Reduction) is promoted and simultaneous denitration and mercury removal of the flue gas are realized.

The invention discloses a method of generating a bill for protecting user access privacy in network service. The method comprises the following steps: (1) performing system initiation, namely generating a system public parameter pps according to the input system security parameter, and respectively generating public key / private key pairs of groups G managed by a management mechanism M, a detection mechanism D and a recognition mechanism O; (2) constructing a group signature key xi by a user Ui and acquiring an authorization certification Ci about the group signature key xi of the user Ui from the management mechanism M; (3) constructing request information of protecting the user access privacy and a group signature thereof according to the request information by the user; (4) identifying the legality of the request information by the recognition mechanism O and determining that the qualification of group members of the user is not repealed; (5) verifying the legality of the information by utilizing the group signature by the detection mechanism D, acquiring legal service types and providing corresponding anonymous service; and (6) generating the service bill for protecting the user access privacy by the recognition mechanism O. The method disclosed by the invention can be used for effectively protecting the user access privacy and has the advantages of low communication cost, high safety and the like.

Provided are an electronic commerce method and system that are capable of collecting information on a variety of goods or quotations in broad, intermediate, and narrow categories corresponding to attributes of goods that a buyer requests according to his or her needs, and managing the information in a database. The method and system are also capable of enabling a buyer to read and refer to quotation history, including quotation requests or process details for goods or services, and suggest appropriate price and conditions in a process of requesting a quotation. The method and system are also capable of enabling a plurality of verified sellers to respond to the quotation request, by storing, processing, and publishing the quotation history, such that the seller can obtain online sales routes at low cost and the buyer can purchase desired goods or services at a better price and under better conditions due to competition among sellers.

The invention provides an unmanned aerial vehicle auxiliary resource allocation method based on deep reinforcement learning, and the method comprises the following steps: S1, constructing a deep reinforcement learning model, obtaining a neural network, and initializing neural network parameters; s2, obtaining calculation task information generated by the intelligent device and integrating the calculation task information into a system state St; s3, inputting a system state St to train the neural network to obtain a system action At; s4, calculating to obtain the corresponding total overhead Ctotal according to the system action At; s5, training a neural network according to the total overhead Ctotal to obtain a system action for minimizing the total overhead; s6, completing the training ofthe neural network, and carrying out the resource distribution according to the obtained system action enabling the total overhead to be minimized. The invention provides an unmanned aerial vehicle auxiliary resource allocation method based on deep reinforcement learning, and solves the problems of relatively high calculation task time delay and energy consumption of existing industrial Internetof Things intelligent equipment.

The invention relates to the technical field of information processing, in particular to a maintenance method and device for network games and a computer readable medium and electronic equipment for realizing the maintenance method for the network games. The maintenance method for the network games comprises the steps that game service of a second server side is updated from first edition serviceto second edition service from first edition service, and the game service of a first server side is maintained to be the first edition service; the second edition service of the second server side isissued, and a service pack about the second edition service is issued for a client side to access the second server side based on the service pack; and the first server side is closed so as to complete the maintenance of the network games. According to the technical scheme, a non-stop service maintenance mode is provided, the problem of updating the game service through stop-service is solved, sothat players play games continuously, and the improvement of the player game experience is facilitated.

The invention discloses an automatic testing system and method of router USB performance. The testing method includes the following steps that (101), functions of a router USB are configured; (102), external storage equipment is configured; (103), batch scripts capable of testing the read-write performance of the router USB are edited; (104), the scripts are run, and a testing result is automatically output. The automatic testing system and method have the advantages that by the adoption of the BAT, portability is good, all platforms can be run, meanwhile, efficiency is high, a lot of manual testing work can be replaced, repeated testing is avoided, and a lot of labor is saved; precision is high, expandability is good, the cost is lowered, the testing efficiency is improved, existing resources can be better utilized, and time needed for putting the product into the market is shortened.

The present invention discloses a distributed traveling wave monitoring terminal time deviation calculation and compensation method and system. The method comprises the steps of: monitoring a GPS second pulse period after synchronization of a terminal device; calculating a crystal causing time deviation according to the measured actual second pulse period and the set second pulse ideal period; recording the measured actual second pulse phase difference to compare with a set phase difference to obtain phase deviation; and accumulating the time deviation and the phase deviation, and performing deviation compensation of an accumulated value. The distributed traveling wave monitoring terminal time deviation calculation and compensation method and system perform multi-time uniform compensationfor the time deviation compensation and achieve total-precision compensation.

The invention belongs to the technical field of network access control, and discloses a token generation method and device and a token check method and device. The token generation method in the invention is applied to a server cluster. The method comprises the steps of: receiving the identification character string of a token needing to be checked sent by a client side; searching a key of the identification character string in a token database, wherein the token database stores a generated token, including the identification character string stored as the key and an information character string stored as the key value of the corresponding value; after the key of the identification character string is searched in the token database, obtaining the key value of the key, and then, setting thekey value of the key stored in the token database to an invalid value; and, detecting the obtained key value of the key, when the key value is not the invalid value, representing that a check resultis passed, and, when the key value is the invalid value, representing that the check result is not passed. By means of the token check method and device disclosed by the invention, one-time effectiveness of the token is ensured through a simple and convenient mechanism.

The invention relates to a modular movable prefabricated component production assembling combination system and a combination method. For an existing assembly type building prefabricated component factory, hundreds of millions of capital is required before the factory is to be built, the construction period is long, the occupied area is large, the land cost, the upfront investment and managerial staff salaries and financial costs during operation are high, the prefabricated component covering surface is small, and the transportation cost is high. The modular movable prefabricated component production assembling combination system comprises a mold table circulation system (1), a material distribution system (2) and a vibrating and beating system (3) and a steaming and curing system (4). Themold table circulation system comprises a plurality of mold table movement lines and a plurality of mold table translation lines perpendicular to the mold table movement lines. Each mold table movement line comprises two linear ground wheel foundation main beams (5) and a group of ground wheel foundation secondary beams (6). The ground wheel foundation secondary beams are connected with the ground wheel foundation main beams to form a framework, and a connecting structure is arranged at the connecting position. A group of linearly arranged ground wheels (7) and a group of driving motors (8) are arranged on the upper portions of the ground wheel foundation main beams. The modular movable prefabricated component production assembling combination system is put into use.

The present invention discloses a wireless communication method of supporting rapid changes in network topology. The present method may include broadcasting the first protocol message using the first broadcast cycle, the first protocol message being used for establishing a routing information between a node and destination node; and broadcasting the second protocol message using the second broadcast cycle, the second protocol message being used for establishing a link information between the node and a neighbor node, wherein the first broadcast cycle is different from the second broadcast cycle, and the first broadcast cycle is dynamically adjusted depending on a corresponding a detailed message contained in a plurality of segments in the first protocol message so as to reduce a number of broadcast of the first protocol message and the second protocol message.

The invention discloses a prestressing-force communication tower structure and a construction method thereof. The tower structure comprises a foundation, a tower body and a communication tower antenna; the tower body comprises a lower portion reinforced segment, an upper portion non-reinforced segment, a top hoop, prestressing-force tendons, middle hoops and oblique supporting rods; the top of thereinforced segment is circularly clamped by the top hoop, a group of the prestressing-force tendons are arranged, and the prestressing-force tendons are distributed in the circumferential direction of the tower body at intervals, wherein the upper ends of the prestressing-force tendons are connected with the top hoop, and the lower ends of the prestressing-force tendons are connected with the foundation; a group of the middle hoops are arranged, and the reinforced segment is parallel and circularly clamped by the middle hoops in the vertical direction at intervals; the oblique supporting rodsare obliquely arranged between the middle hoops and the prestressing-force tendons, the lower ends of the oblique supporting rods are hinged to the middle hoops, the upper ends of the oblique supporting rods are hinged to the prestressing-force tendons. By means of the tower structure, the existing technical problems of poorer material stability and easy generation of component deformation, upward curling and cracking of a traditional prestressing-force communication tower are solved.

Methods, systems, and apparatus, including computer programs encoded on a computer storage device, for: receiving messages from a plurality of publishers; assigning each of the messages to one of a plurality of channels, wherein each channel comprises an ordered plurality of messages; storing messages of each of the channels in respective storage buffers according to the order, wherein each storage buffer comprises a respective time-to-live of a first time duration; for a particular channel, retrieving messages of the particular channel from respective storage buffers; storing the retrieved messages of the particular channel in a delivery buffer, the delivery buffer comprising data blocks, wherein each data block comprises a respective time-to-live of a second time duration; and providingthe messages stored in the delivery buffer to a plurality of subscribers of the particular channel.

The embodiment of the invention provides a prediction model training method and device and electronic equipment. The method comprises the following steps: acquiring sample data; converting the sampledata into corresponding vector data by using a pre-constructed DeepFM model; obtaining a position corresponding relationship of any attribute feature in the sample data in the vector data, and storingthe position corresponding relationship in theDeepFM model to obtain an adjusted DeepFM model; and training the adjusted DeepFM model by using the vector data to obtain a DeepFM prediction model so as to deploy the DeepFM prediction model. According to the embodiment of the invention, the method solves a problem in the prior art that the operation is complex because an index file needs to be built and the format conversion needs to be carried out in an online DeepFM model deployment process, simplifies the deployment steps, and reduces the cost of the online application of the DeepFM prediction model.

The invention relates to a modularized movable multi-layer stacking, steaming and curing production system for PC components and a production method. For the problems that the on-site cast-in-place mode has high cost, the environment is polluted, a prefabricated component factory is built and has high construction cost, the coverage for supplying prefabricated components is limited, and the development of prefabricated buildings is affected, the production system and production method are provided. The production system comprises a steaming and curing shed (1). An openable shed door (4) is arranged on the steaming and curing shed. A plurality of parallel die table moving lines (2) are arranged in the steaming and curing shed in a covering manner. The covering die table moving lines extendout of or penetrate through the steaming and curing shed. A car ferry walking track is arranged outside the steaming and curing shed. The die table moving lines are perpendicular to the car ferry walking track (10). A car ferry (3) walks on the car ferry walking track. Each die table moving line comprise two rows of ground wheels (5) and driving motors (6) which are linearly arranged. The ground wheels support die tables (7) made of the prefabricated components. Traveling machine walking tracks (14) are arranged on both sides of each die table moving line. Traveling machines (15) are arrangedon the walking tracks. The modularized movable multi-layer stacking, steaming and curing production system is used for the PC components.

Devices, systems, and methods disclosed for generating embedded clean electrical energy. Particular aspects of the invention disclosed for design and integration of a micro wind generator array and a solar panel to form a micro-embedded electrical energy system. The embedded electrical energy system facilitates to produce more watts per hour in a most efficient way per square meter.

The invention provides a positioning algorithm of a heterogeneous wireless sensor network based on a support vector regression. The output obtained by a training model is used as the coordinates of anunknown node, and the accuracy of the model is tested by using a standard root-mean-square error. The complexity is reduced by simplifying a CDF formula in a classical EHP algorithm, a calculated distance between a target anchor node and the unknown node is obtained at a higher convergence speed, and then training regression prediction is performed through the support vector regression (SVR) to obtain an accurate coordinate location of the unknown node. In order to reduce the number of anchor nodes, distance vectors between the target anchor nodes can be used as a training set of the model. By means of this manner, higher positioning accuracy and less overhead cost are ensured at the same time, and the potential useful information in the heterogeneous network is fully exploited by using the support vector regression to obtain a better positioning effect.

The invention discloses a method and device for intelligent interaction based on natural language analysis, wherein the method and device belong to the technical field of intelligent robots. The method comprises the steps of language processing, text excavation, knowledge discovery, intelligent retrieval and result display. The device for the intelligent interaction based on the natural language analysis comprises a body, wherein a liquid crystal display screen is installed on the surface of the body; the liquid crystal display screen is in electric input connection with a wireless communication module; and a center database is in electric dual-way connection to an index unit. According to the invention, rapid retrieval is conducted in an index library based on a center concept of a natural statement extracted by a front end, and most correlative information inquired by a user is returned; a URL pointer can be used to continuously collect information which is newly found and store the information in a memory; result retrieval is rapid, and time lag is avoided; the intelligent interaction is achieved through natural language analysis, so fewer telephone service workers are needed, and expenditure cost for company running is reduced; uniform standard services are provided; and the user's satisfaction degree is increased.

The invention discloses a protection material for marble energy curing surface treatment and a production technology, relates to improvement of marble chemical materials, and particularly relates to a protection material for marble curing surface treatment. In order to achieve the target, the protection material for marble energy curing surface treatment is prepared from the following components in the formula: diethylene glycol diacrylate, tripropylene glycol diacrylate, trimethylol propyl triacrylate, trimethyl benzoyldiphenyl phosphine oxide, hydroxycyclohexyl ketone, a photoinitiator, high-functionality urethane acrylate, aliphatic polyester, a modified dilute acid ester polymer defoaming agent, a fluorine-modified polysiloxane polymer and silsesquioxane. Existing multiple materials with a single function are replaced, the procedures are combined, and existing air drying or heat drying non-environment-friendly auxiliary raw materials are replaced with energy (UV / EB) curing, so that the construction efficiency is increased, the technology is improved, the density, the glossiness and the surface protecting performance of a stone are improved, the waterproofing, antifouling and corrosion-resistant targets are achieved, the production cost is directly reduced and multiple items of indirect cost are reduced.

The invention provides a pulse delay time control method and device. The control method comprises the following steps: acquiring delay time between an input pulse signal and an output pulse signal ofa transmitting module; converting the delay time into a corresponding voltage difference; calculating a voltage error between the voltage difference and a preset voltage difference; the time for outputting the pulse signal of the transmitting module is adjusted according to the voltage error, so that the output pulse is accurately controlled, the time difference of the edges of the input pulse andthe output pulse is not interfered by external factors such as voltage and temperature, and a large amount of test and hardware expenditure costs are saved.