299results about How to "Small area of ​​influence" patented technology

The invention discloses a quality safety tracing method for food processing enterprises. The quality safety tracing method includes the steps that a laser coder generates random tracing codes according to a coding rule when a laser marking machine in a production line device is dynamically read in an on-line tagging mode; the laser marking machine carries out tracing mode marking on products on a production line, and two-dimension codes and plain codes are all marked on packages; a fixed reader is used for scanning and reading designated tagged code portions of the products; the two-dimension codes are successfully scanned and read, the tracing codes are recorded, and relevance between the tracing codes and commodity attribute information is completed; if the two-dimension codes fail to be scanned, the two-dimension codes will be removed through a removing device; the commodity tracing code information and the commodity attribute information are recorded into a relational database; after the products are packaged, package code data and product tracing code data are related; the products are stacked, stacking codes and tagged stacking codes are generated, and the stacking codes and the product package code data are related; the stacking codes are scanned, storage of the products is completed, delivery orders and the stacking codes are scanned to complete delivery, and the database records delivery information.

This invention provides a protecting method, device and system of DDOS attack based on SDN. The method comprises the following steps: a traffic statistics instruction is sent to a first message transmitting device by a controller; the traffic statistics instruction indicates the first message transmitting device to perform traffic statistics and carry a destination IP (Internet Protocol) address; the controller collects statistics data reported by the first message transmitting device; the statistics data includes traffic statistics information which flows to the destination IP address; the controller acquires a global traffic statistic which flows to the destination IP address according to the statistics data; the controller judges whether the global traffic statistic exceeds a predefined threshold or not, and sends a DDos protection strategy to a second message transmitting device based on a judging result that the global traffic statistic exceeds the predefined threshold; correspondingly, the second message transmitting device receives the DDos protection strategy sent by the controller; and according to the DDos protection strategy, the traffic which flows to the destination IP address is protected. The method reduces the influence range of the DDos attack to the network, and improves the security of the network.

The invention provides an intelligent client-based on-demand downloading realization method, which aims to solve the problem on the updating of an intelligent client program in a low-speed network and update the program in a configurable mode in a way of taking a function as a unit. In the method, configurable and expandable downloading definition configuration is provided, and an application program can be flexibly configured according to actual conditions; the downloading and updating process of a client is completely automatic in no need of manual intervention; abnormity processing is enhanced in a deployment link, and specifically, the program is automatically updated when the downloading is started when an abnormity occurs; and downloaded items can be downloaded when in use, which reduces network traffic in a disguised form and reduces the range of the influences of a patch on the client.

The invention discloses a temporary speed limiting method in an urban rail transit CBTC (communication based train control system) mode. The temporary speed limiting method includes starting normal route control after uploading and confirming temporary speed-limiting information before power interruption through a data storage unit, uploading the temporary speed-limiting information periodically to an automatic monitoring system from the data storage unit, performing interactive confirming twice between the data storage unit and the automatic monitoring system, dividing the temporary speed-limiting information and then downloading the same through the data storage unit, receiving the temporary speed-limiting information and feeding the information back to the data storage unit and then downloading movement authority speed-limiting instructions by zone controllers, saving feedback results by the data storage unit, and performing speed-limiting brake to trains through an automatic protection system. With the temporary speed limiting devices in the urban rail transit CBTC mode, the defect that effective speed limiting can be carried out by completely depending on real-time communications between dispatchers and drivers in the conventional speed limiting measures is overcome, the safety coefficient is increased, and running safety is guaranteed. The invention further discloses a temporary speed limiting system.

The invention relates to a method for filtering garbage speech on the basis of a mobile communication network, which comprises the following steps: setting the garbage speech reputation threshold value of a mobile terminal, downloading garbage speech user identification characters which are lower than the garbage speech reputation threshold value in a server, storing into a garbage speech user identification information base of the mobile terminal, obtaining calling user identification characters of call requests, searching the calling user identification characters from the garbage speech user identification information base, refusing the call requests by the mobile terminal if the calling user identification characters are searched, otherwise further judging whether query of the calling user reputation threshold value to the server in real time is needed or not, and refusing the call requests by the mobile terminal if the calling user reputation threshold value is lower than the arranged garbage speech reputation threshold value. The characteristics of a mobile communication system are combined to prevent mobile communication terminal users from disturbance of garbage speech calls through analyzing the characteristics of mobile garbage speech and the defects of the existing garbage speech filtering technique.

The invention relates to a method for controlling expansion and shrinkage of lamination of multiple layers of boards. The method comprises the steps that board incoming quality inspection is conducted, a dimensional stability test is conducted, and a part number is selected according to a test result; according to relevant parameters, an expansion and shrinkage library is established; inner films are produced, and measurement and statistics are conducted on the produced films; punching is conducted on multiple layers of boards which are not laminated; according to the thickness of each board, rivets with appropriate height are selected for riveting; the pattern is adjusted, the lamination conditions are set; lamination is conducted; holes are drilled through an X-RAY target drilling machine. Compared with the prior art, the method for controlling expansion and shrinkage of lamination of the multiple layers of boards has the advantages that the demand for large-composition production is met, production cost is effectively reduced, the utilization ratio of the boards is increased, the production efficiency is improved, and the rejection rate is reduced. Factors influencing control over expansion and shrinkage are controlled, the range of the influence caused by expansion and shrinkage is effectively narrowed, the error rate of drilling is effectively reduced, defective products and scrapped products caused by overall displacement of the multiple layers of boards are reduced, the drilling first-workpiece percent of pass is increased, and halt determination time is shortened.

The present invention provides a dispatching system-based DDoS (distributed denial of service) defense method and a DDoS (distributed denial of service) defense system. The method includes the following steps that: when a DDoS attack to a first IP address is monitored, a currently available second IP address is obtained; and when a dispatching request sent by a user terminal which accesses the first IP address is received, the second IP address is sent to the user terminal, so that the user terminal can access a service target through the second IP address. With the dispatching system-based DDoS (distributed denial of service) defense method provided by the embodiments of the present invention adopted, influences of the DDoS attack can be reduced to a controllable range, defense cost can be reduced, influence on the service target accessed by a user which is caused by wrong attack killing can be greatly reduced, and the experience of a user subjected to attacks can be improved.

Embodiments of the present application disclose a service identifier generation method and apparatus. A service identifier generator is assigned exclusively to at least one service server of a plurality of service servers. The method comprises: a service identifier generator receiving a service identifier obtaining request message (carrying a service server identifier and a service object identifier); in response to the message, querying a current maximum service identifier value of a target service object indicated by the service object identifier, performing hash calculation on the service server identifier, and performing modulo calculation on a preset threshold by using a hash calculation value; and firstly calculating a product of a modulo calculation value and a preset step value, secondly calculating a sum of the product and the maximum service identifier value as a starting value, calculating a sum of the starting value and the preset step value as an ending value, and finally generating an initial service identifier range. According to the method and apparatus provided by the embodiments of the present application, the range of influence of the service identifier generator failure on the service can be reduced, and it can also ensure that the generated service identifier is unique.

The invention discloses a method for code assigning, reading and data correlation of each pack of cigarettes. The method comprises the steps of producing small pack packages of cigarettes and carton packages of cigarettes; assigning codes when printing cigarette packages; conducting carton package with a carton packing machine; scanning unique bar codes on small pack packages and carton packages with a bar code reading device; and conducting exception handling during bar code reading. The method can be used for code assigning for each pack of cigarettes, and codes accurately correspond to bar codes. The method is characterized in that modification of a production line is low in work load, small in influence range and convenient to implement during reading of bar codes; a modification link of the production line is performed after quality inspection and rejection and facilitates accurate corresponding between carton codes and pack codes; the modification link of the production line is performed before shipping of cigarette cartons, the speed requirements for reading and detection of bar codes are greatly reduced, and then the cost of devices to be added is reduced.

The invention discloses an automatic heavy-load equipment early warning implementation method based on decision tree in automatic monitoring technical field, and provides the early warning decision of the heavy-load equipment; a decision tree is created in each time period of each monitoring group to realize the early warning of the heavy-load equipment, the operation experience and relevant history information are sufficiently utilized to figure out the early warning scheme for the current power grid; when the heavy-load equipment really occurs overload situation, an early warning signal is transmitted in advance, the out-of-limit time is given to the dispatching staff so that the dispatching staff can quickly judge the early warning locations, the early warning property and the severity, determine the affected area, also take correct measures to reduce the affected range, avoid accidents and reduce the possibly-caused load loss. The invention greatly improves the safety of the power supply equipment and also improves the automation degree of the automatic power dispatching system.

The related business implementation method in communication field comprises: the business side sends business requirement to node; after determining the business service node, the access node transmits the requirement, and the service node executes the business. This invention reduces HLR or HSS integration level, and decreases the fault incidence of a single node.

The invention provides a gas compressor plane cascade experimental system with a suction baffle structure. The gas compressor plane cascade experimental system comprises a suction device and a plane cascade experimental device. The plane cascade experimental device comprises a left end plate, a right end plate, an upper baffle, a plurality of experimental blades and a lower baffle, wherein the upper baffle is arranged between the left end plate and the right end plate, and the multiple experimental blades are distributed at intervals. The upper baffle and the lower baffle are connected between the left end plate and the right end plate through fixing shafts. The upper baffle is provided with suction holes. Left end plate suction holes are formed in the left end plate, and right end plate suction holes are formed in the right end plate. The suction holes are connected with a vacuum pump through a pipeline. A three-hole probe 1 is arranged between the left end plate and the right end plate. In the experimental process, the upper baffle and the lower baffle are adjusted so that a cascade can be good in periodicity, the boundary layer of incoming flow is sucked through the left end plate suction holes and the right end plate suction holes, the influence area of the boundary layer is reduced, and uniform incoming flow is achieved. The gas compressor plane cascade experimental system with the suction baffle structure is an effective path for exploring improvement of the performance of a gas compressor, the influence of the boundary layer of the incoming flow is reduced, and meanwhile, the periodicity of the plane cascade is improved.

The invention discloses a prevention and treatment method for full-mechanized caving mining collapse trap area water disaster for a shallow-buried ultra-thick coal seam, and solves the problem that an especially reasonable and optimal prevention and treatment method is lacked for the prevention and treatment of the mining collapses trap area of the shallow-buried ultra-thick coal seam. A 37 lime earth filling compaction-loess backfilling method is adopted to treat a crack group in the collapses trap area to prevent surface water from infiltrating into an underground working face; a trap bottom surface of the collapses trap area is in a slope design; an HDPE (high-density polyethylene) membrane and a natural pebble bed are used for seepage-prevention and river-diversion processing, backfilling, earthing, and planting herbal vegetation; a side slope of the collapses trap area is provided with a drainage channel so as to prevent a great quantity of rainfall from infiltrating into the underground working face in one time; two roadways of the underground working face are respectively provided with a water-proof valve to separate a mine from a goaf; and the mine safety is guaranteed. The method disclosed by the invention has the advantages of reasonable parameter, low construction cost, good prevention and treatment effect, strong adaptability, good safety and the like, and is especially suitable for the prevention and treatment method for full-mechanized caving mining collapse trap area water disaster for the shallow-buried ultra-thick coal seam.

The invention discloses a distributed type station train number tracing logical method. By means of the method, the functions such as train number creation, tracing, deletion and recovery of a CTC / TDCS can be effectively achieved. In the field use process, a tracing system is released downwards to stations in a distributed manner, and the influence scope generated when the stations are upgraded and reconstructed is small; single-station tracing data are configured concisely, arithmetic logic is clear, and fault tolerance can be achieved well and a train can be resumed when an abnormal station yard is shown; train number tracing among the multiple stations can be continued automatically and seamlessly, artificial data configuration is not needed, and the method can also be adapted to special station yard connection; and the train is traced in the interstation operation direction among the stations, and abnormal conditions such as train number backspacing and train number reverse tracing cannot occur.

The invention relates to a new rock II-type fracture toughness test method. According to the invention, on the basis of an original shear box test, by means of adjustments of the stress state of a loaded mould and arrangement of a sample to eliminate rotation tendency of the sample, generation of an excessive tensile stress on a crack tip is inhibited, thereby achieving rock II-type fracture toughness test. A test model includes a square rock sample and two steel loading moulds. Straight cracks are pre-formed on the middle parts of the two sides of the square rock sample, wherein the lengths and the widths of the two straight cracks are equal to each other. The two straight cracks are arranged symmetrically. The loading moulds can achieve 45-degree loading of the sample with a loading end surface being flat and smooth. The widths of two contact surfaces between the loading moulds and the square rock sample are both half of the side length of the sample. An upper end and a lower end of the whole system are subjected to a uniform load. The method enables processing of the rock sample and the loading moulds to be more convenient, is simplified in test process, ensures accuracy of test data, is suitable for the II-type fracture toughness test of various rocks, and provides basis for researching the II-type fracture of rocks and a problem of composite fracture mainly comprising II-type fracture.

The invention discloses an automated mask management system and method. The system comprises a production management module, a mask management module, a process execution module, a mask processing module and a mask storage module, wherein the production management module can be in data interaction with the mask management module, the process execution module, the mask processing module and the mask storage module respectively through an EAP (Equipment Automatic Program) and a server. According to the system and the method, disclosed by the invention, a mask can be accurately applied to a corresponding photoetching machine, a corresponding photoetching process and a corresponding photoetching product, so that the error ratio caused by human factors is reduced, the range of influence caused after problems occur is reduced, the use conditions of the mask can be effectively monitored, and the mask trace tracking is facilitated; and thus, the subsequent data analysis is facilitated, the feedback speed is accelerated, and then, the management is timesaving and laborsaving, so that the process production cost is reduced, and the problem of yield caused by human errors is solved.

The invention discloses a super high-rise steel pipe column interior concrete pouring construction method. The method mainly comprises the steps of detaching a last section of steel pipe column top sealing hole thin steel plate; hoisting the present section of steel tube column; locating the present section of steel tube column after hoisting a first floor layer steel beam of the present section of steel tube column; arranging a detachable construction steel platform; enabling a sectional connectable serial barrel to extend into the steel pipe column through a locating hole of the construction steel platform; filling same-grade concrete protoplasmic into the steel pipe column; pouring concrete; when the concrete pouring height surpasses the single section serial barrel, detaching one section and continuing concrete pouring construction, and then conducting subsequent pouring; slowing down the speed of concrete discharging and the speed of pouring when a concrete puring face is close to a partition plate in the steel pipe column; pouring the concrete to a certain distance below the top of the steel pipe column and then stopping; adopting a thin steel plate to close the steel pipe column top pouring hole. By the adoption of the construction method, the concrete pouring construction is made to be more convenient, potential safety hazards are eliminated, the construction period is shortened, and manpower and turnover material consumption are reduced.

The invention relates to a sectional type tunnel smoke exhaust system by water curtain separation, comprising a smoke exhaust duct, a smoke exhaust vent and an air valve. The smoke exhaust duct is positioned on the top or the side wall of a tunnel; the smoke exhaust vent is communicated with the smoke exhaust duct; the air valve is installed on the smoke exhaust vent; and the top or the side wall of the tunnel is provided with devices used for forming fire control water curtains. The invention also provides a smoke exhaust method which uses the sectional type tunnel smoke exhaust system. The smoke exhaust method comprises the following steps of: starting the devices which are used for forming the fire control water curtains and positioned on both sides of a fire source to form the water curtains and separating smoke gas generated by the fire source between the two water curtains; and starting the smoke exhaust vent which is positioned near the fire source to exhaust smoke. The invention has the advantages of optimizing the smoke exhaust effect of a highway tunnel, improving the smoke exhaust efficiency under the condition of the same smoke exhaust configuration, reducing the range of smoke gas influence, effectively controlling the diffusion of smoke gas within 200 meters, greatly reducing the heat radiation near the fire source and supplying better safety space for people escape and fire control.

The invention discloses an integrated service network deployment method based on HFC brand band network and a special equipment - an integrated service light station equipment. A traditional CMTS, a RF signal photoelectric converter and a data signal photoelectric converter are integrated as a whole for forming an integrated service light station that is installed on a light node of HFC for realizing photoelectric convert of the television signal and IP data signal simultaneously, and transmitting IP data packet. The equipment also has a remote monitor function for realizing centralized monitoring and managing each integrated service light station equipment and the loaded brand bane user distributed arrangement. Compared with the prior art, the method and the equipment provided by the invention has advantages of reducing filler noise disturbance, increasing average family brand band of the user, simplifying the network structure, reducing network deployment cost and easy to maintenance.

The invention discloses a variable section cement-soil gravity type retaining wall and a construction method thereof. The retaining wall comprises a main wall body which consists of main cement mixed pile bodies, and an attached wall body which is positioned below the bottom face of a foundation pit and on one side or two sides of the main wall body, is connected with the main wall body and consists of attached cement mixed pile bodies, wherein the main wall body and the attached wall body form the variable section retaining wall. The construction method comprises the following steps of: forming the main wall body by using a cement mixed pile machine, forming the attached wall body, and excavating empty pile parts, so that the variable section cement-soil gravity type retaining wall is formed by the main wall body which consists of the main cement mixed pile bodies and is positioned above the bottom of the foundation pit, and the main wall body consisting of the main cement mixed pile bodies and the attached wall body consisting of the attached cement mixed pile bodies, which are positioned below the bottom of the foundation pit. By using the retaining wall formed by the construction method, when the soil layer at the bottom of the foundation pit is disturbed by cushion cap excavation and substrate structure construction, the foundation pit deforms a little, and the formed gravity type retaining wall has small width and floor area and high inclination resistance, shear resistance and bending resistance.

The invention relates to a network negative information impact minimization method based on a topic model. The network negative information impact minimization method comprises the following steps: 1) adopting a directed graph to express the propagation of information in a social network, and independently calculating the probability distribution of the negative information and the probability distribution of historical information on each edge through the topic model; 2) independently calculating a distance, i.e., KL (Kullback-Leibler) divergence d(w,i), between the probability distribution of the negative information and the probability distribution of historical information on each edge, wherein d expresses a calculation result of the KL divergence, w expresses the topic distribution of the historical information, and i expresses the topic distribution of the negative information; 3) calculating tb(w)=b(w) / d(w,i) and to(w)=o(w) / d(w,i), wherein b(w) and o(w) are independently the calculation results of a centrality algorithm and an out-degree in-degree algorithm and are sorted from big to small, and the first k nodes are removed to minimize the propagation range of the negative information. The method disclosed by the invention can effectively control the social network of which the malicious information is burst, and greatly reduces an impact range of the negative information.

The invention relates to ventilation and fire control of road tunnels, in particular to a method for initiating a smoke outlet of the road tunnel. The method comprises a smoke vent arranged along the length direction of tunnel and a plurality of smoke outlets arranged at the top of the tunnel, wherein, the smoke vent is internally provided with a smoke exhaust blower, the smoke outlets are communicated by the smoke vent; the method is characterized in that the initiating method is : when a fire source appears, after the fire source position is fixed, two smoke outlets at the lower reaches of a fire source point and a smoke outlet at the upper reaches of the fire source point are initiated; the method has the advantages of optimizing smoke exhaust effect of the road tunnel, improving smoke control capacity, reducing influence range thereof on the basis of the same smoke exhaust configuration, effectively controlling proliferation of smoke within the range of 150m, maintaining fine smoke layering and providing relatively good safe space for the specialized personnel.

The present application aims to provide a database synchronization method and device. The method comprises: acquiring a to-be-synchronized data operation record in a primary database; acquiring a read authority of an upper-layer object of an operational object corresponding to the data operation record, and acquiring a control authority that corresponds to the data operation record and relates to the operational object; and performing the data operation record on the operational object in a backup database corresponding to the primary database. Compared with the prior art, according to the database synchronization method and device provided by the present application, each data operation record acquires, according to actual needs, an operation authority corresponding to a corresponding operation hierarchy; and an influence scope of a DCL statement or a DDL statement on data synchronization is reduced, so that a DCL, a DDL and a DML can be concurrently performed without affecting consistence of a transaction, thereby accelerating primary-backup synchronization efficiency, and implementing management and operation on the database more effectively.

The invention provides a message processing method and device based on a micro-service architecture. The method can comprise the following steps: after acquiring a to-be-processed message by a Micro-BRAS (Broadband Remote Access Server) container, determining a service type corresponding to the message, and determining a service processing container corresponding to the service type; and sending the message to the service processing container by the Micro-BRAS container, and performing processing corresponding to the service type on the message by the service processing container. According tothe technical scheme of the invention, a BRAS is divided into the Mirco-BRAS container and the service processing container by using a container virtualization technology, and the container is expanded or shrank. When a large number of user equipment is accessed, the container can be expanded to meet the service needs, and when the number of the accessed user equipment is reduced, the container can be shrank, thereby saving storage and computing resources, and improving the resource utilization.

The invention discloses an urban subway hard rock stratum connection channel high-pressure gas expansion cracking excavation method, a connection channel is excavated by adopting an upper and lower step method, and the construction sequence of the step method is as follows: upper step excavation, construction of an upper step primary support, construction of an arch mortar anchor rod, excavation of a lower step, construction of a lower step primary support and construction of a connection channel secondary lining structure; wherein the upper step is excavated by adopting a mechanical method and an assistant high-pressure gas expansion fracturing method, and the lower step is excavated by adopting a high-pressure gas expansion fracturing method. The excavation method has the advantages of high efficiency of excavation through a blasting method, safety of excavation through a mechanical method, small influence range, basically no environmental pollution, high efficiency compared with pure mechanical excavation, good safety performance, little pollution, low noise, small vibration, easiness in control and the like.

The invention discloses an intrauterine adhesion prevention and cure device, which comprises an intrauterine-shaped ring and a film, wherein the intrauterine-shaped ring has elasticity; the shape and the size of the intrauterine-shaped ring are adaptive to the periphery of the inner wall of a uterus; the film is connected to the left inner side and the right inner side of the intrauterine-shaped ring; and the middle of the film is provided with an opening from the bottom to the lower section of the intrauterine-shaped ring. According to the intrauterine adhesion prevention and cure device, the intrauterine is prevented from adhering again, liquid convection in the intrauterine can be increased, and infection caused by unsmooth drainage is avoided. In addition, the intrauterine adhesion prevention and cure device also has the beneficial effects on saving raw materials, lowering manufacture cost and saving treatment cost for patients.

The invention discloses a method for growing high-quality silicon carbide crystals in an oxygen-containing atmosphere, which includes putting a graphite crucible equipped with silicon carbide raw materials and seed crystals into a SiC crystal growth furnace, and injecting oxygen-containing gases such as carbon dioxide or oxygen It is directly introduced into the graphite crucible through the pipeline to grow high-quality silicon carbide crystals. Compared with the conventional gas-phase transport method for growing silicon carbide crystals, the difference of the present invention is that oxygen-containing gases such as oxygen or carbon dioxide are introduced into the growth system, and the graphite suspended in the growth atmosphere is consumed by the oxygen-rich gas The fine particles can significantly reduce inclusion defects in the crystal, obtain high-quality silicon carbide crystals, and improve the yield of silicon carbide crystal growth.

The invention relates to a servo rail suitable for a railway tunnel across a skip fault and a control method thereof. The servo rail comprises a flexible isolation layer, a sticky energy consumption layer and a servo regulation layer which are sequentially arranged from bottom to top, wherein the flexible isolation layer comprises an arch-inhibiting filler and elastic baffle blocks at the two sides; the sticky energy consumption layer is a polyurethane solidifying channel bed; the flexible regulation layer comprises a rigid structure and a control unit; the rigid structure comprises a longitudinal beam connected to the polyurethane solidifying channel bed; a wide ram plate is arranged on the longitudinal beam; a steel rail is arranged on the wide ram plate; the control unit comprises a monitoring module for acquiring horizontal dislocation and differential settlement of the wide ram plate, a performing module for driving the wide ram plate to move and a control module for controlling awork state of the performing module. Compared with the prior art, the servo rail has the advantages of being able to ensure integral deformation of a rail structure within a millimeter scale during dislocation of the skip fault, guarantees safe operation of railway, makes rail damage locally, and is beneficial for quick low-cost repair.

The invention relates to a method and a system for inspecting cell identical and adjacent frequency interference, wherein the method comprises the following steps: 1, inputting the data information of network to be inspected, wherein the data information comprises the position information of a base station, azimuthal angle data, relation of cell adjacent areas and assignment data of cell frequency points; 2, determining the hierarchical relationship of the cells, the inspection range of the cells and the counterblow relation of the azimuthal angle between the cells according to the data information; 3, classifying the various interferences according to the relation of the cell adjacent areas and the hierarchical relationship among the cells; and 4, as for each cell, searching the interference sources of the frequency points of the cell in the inspection range of the cell according to the assignment data of the cell frequency points; determining the grade which the various interference sources belong to; and as for each cell frequency point, utilizing an interference inspection model to generate an interference inspection result corresponding to the frequency point according to the grade of the interference source and the hierarchical relationship between the interference source and the cell. The invention can carry out inspection on the network to find out the cell frequency points in which identical and adjacent channel interference possibly exists.

The embodiment of the invention discloses an electric power communication virtual fault-tolerant network mapping method and device. The method comprises two stages of node mapping and link mapping; the node mapping stage comprises the step of selecting a node with the minimum load rate for mapping from nodes of a virtual network providing layer that satifies a preset condition according to a greedy node mapping algorithm based on load balance; and the link mapping stage comprises the step of selecting two disjoint physical links for each virtual link as a main link and an auxiliary link. The device is used for executing the method. The electric power communication virtual fault-tolerant network mapping method provided by the invention can meet the requirement of double-path protection of services in an electric power communication network, and improves the reliability of the network through a balanced load.