85results about How to "Flexible computing" patented technology

A method for calculating a timeout parameter in a communication session, comprises the steps of initiating a session; calculating a throughput of the connection during initialisation of the session by measuring a time span between sending and receiving a data packet on a target communication device 101 including a fixed computational time delay of the initiator communication device 102, wherein the packets are smaller than a maximum packet size; calculating a maximum round trip time for the maximum data packet that is possible to be sent and received based on the calculated throughput; and setting a session timeout parameter equal to the calculated maximum round trip time.

Implementations of the specification include receiving, by a smart contract service provider including a trusted computation execution environment (TEE) from a client associated with a target blockchain network, a request for operating cross-chain data of one or more blockchain networks different from the target blockchain, wherein the smart contract service provider is off the target blockchain network; sending, by the smart contract service provider to a data visiting service provider, a request for the cross-chain data; receiving, by the smart contract service provider, the cross-chain datafrom the data visiting service provider; generating, by the TEE, a result using the cross-chain data; and returning, by the smart contract service provider, the result to the client.

The invention belongs to the field of social network modeling and analysis, and particularly relates to a method for predicting the maximum information spreading range on the basis of a random model, and by means of the method, dynamic characteristics of a social network are explored. According to the method, a set of functions capable of describing the network information spreading dynamic characteristics are constructed, a dynamic information spreading model is built according to historical data of social network information spreading, a random model detector is used for predicting the possible maximum information spreading range through a verification and emulation technology, and the node set capable of maximizing the spreading range is found out, wherein information is spread through different node sets. Compared with a traditional spreading range maximization modeling method, the dynamic characteristics of the network can be modeled, so that the initial node set which is predicted out is higher in quality, and the success rate of a network marketing strategy is increased.

The invention provides a method for dynamically configuring an index evaluation system. The method is characterized in that: a basic information table, a common library, a background application program unit and a scheduling program unit are provided. The method comprises the following steps of: 10, configuring an acquisition unit; 20, configuring an index unit, and self-defining an index calculation formula; 30, starting an acquisition program, acquiring acquisition data and storing the acquisition data in an acquisition table; 40, starting an index calculation program, realizing index calculation and storing index data in an index table; and 50, sending the index data to a customer. The method has the advantages that: the index evaluation system realizes the flexible configuration and calculation of an index, can define other indexes which are components of the index, supports self-definition of the calculation formula and the like, and solves the inflexibility of an index relation.The index evaluation system can be used by a user mastering skills; and as long as some pieces of basic data are set, the complete configuration of the user is realized by dragging and selection, andthe index evaluation system can be used after definition without participation of a developer, so that the development cost of the system is saved.

The invention discloses a phase modifier stationing method for preventing multi-DC chain commutation failure, and belongs to the technical field of automation of a power system. A region with a relatively high risk that other DCs are simultaneously or sequentially failure in commutation caused by a commutation failure of a certain DC according to a multi-fed interactive factor is judged, the region is used as an installation region of a phase modifier, and the optimal phase modifier installation place is obtained by calculating and sequencing reactive power improvement control estimation indexes of the phase modifier. By the method, the problems that the commutation failure is judged only by voltage drop of a commutation bus and the inconsistency of a result and an actual condition probably caused by a relevant phase modifier configuration index obtained according to the type of the commutation failure cannot be effectively reflected are solved, and the configuration capacity of the phase modifier is reduced to the great extent on the basis of ensuring rapid recovery of the DC with commutation failure.

The invention discloses a parameter calibration method of a port mobile container position system, comprising the following steps of detecting and positioning container trucks on the move at a container terminal; realizing the 3D information perception to an object via a monocular vision system by using the containers' width and length as the known gauge information and demarcating all the unknown parameters expediently, rapidly and accurately; being divided into a pre-demarcated step to perform once before the real time survey after the completion of installation of the position system and a real time demarcated step to perform once before each survey in the real time survey; starting the next survey from the real time demarcation. The invention has the advantages of convenient application without any additional requirements for container and the movement of the containers, flexible and accurate calculation of the distance from the container on the move at any height to the right parking space, being applicable to the similar vision inspection tasks, etc.

The invention provides a simulation method of multistep variable step size which is capable of considering any multiple events in electromagnetic transient calculation, namely, event search is carried out to every step of calculation; precise occurrence time of an event is obtained; re-calculation is carried out till the position of a break point, the event is solved, the sequencing problem of the multiple events happening synchronously or within a simulated step size is solved; and then multistep variable step size backward Euler method is adopted to completely eliminate numerical oscillation occurring in electromagnetic transient simulation. The method precisely calculates the occurrence time of the event, can completely eliminate the numerical oscillation and process event sequence with arbitrary combination, and is suitable for the electromagnetic transient technology of a system of a power electric device provided with mass quick break.

The invention relates to a classroom teaching analysis and quality evaluation system and method based on behavior and expression intelligent identification. The classroom teaching analysis and qualityevaluation system comprises an image data acquisition module, a data intelligent identification module, a classroom teaching index analysis module, a teaching comprehensive analysis and quality evaluation module and a teaching analysis report output module which are connected in sequence. Classrooms are used as carriers, based on a classroom camera monitoring system, data acquisition, classification and identification, quantitative analysis and teaching depth fusion of behaviors and expressions are focused, visual analysis results are output by analyzing various index data of behaviors and expressions of students and teachers in a classroom, and finally scientific and comprehensive teaching comprehensive analysis and quality evaluation are realized in combination with teaching expectation. According to the classroom teaching analysis and quality evaluation system, the full view of classroom teaching is comprehensively presented through visual data analysis, the problems that studentsare not specific in class and the teaching effect is not high in a current efficient classroom are solved, and the classroom teaching analysis and quality evaluation system has great practical value for teaching evaluation institutions and teaching improvement of teachers.

The invention discloses a business index monitoring method, being suitable for being executed in a monitoring server. The monitoring server is in communication connection with the time sequence database and the website server. The business index monitoring method comprises the steps of: obtaining a first configuration file of each monitoring item from a website server to generate a corresponding timing monitoring task, wherein the first configuration text at least comprises a monitoring name and a corresponding monitoring expression, and the monitoring expression comprises an alarm condition and at least one index item, and each index item comprises a monitoring index and at least one filtering condition, and a plurality of index items are connected through mathematical operators; when a timing monitoring task of a certain monitoring project is triggered, obtaining a corresponding index value from the time sequence database according to the filtering condition of each monitoring indexin the monitoring expression, and substituting the index value into the monitoring expression to judge whether the monitoring expression is established or not; and if the monitoring expression is established, generating alarm information, and sending an alarm notification. The invention further discloses a corresponding monitoring server and a corresponding monitoring system.

The invention relates to a numerical calculation method and device, a computer device and a storage medium. The method comprises the following steps: receiving a numerical calculation request; whereinthe numerical calculation request carries a data identifier; obtaining to-be-processed data corresponding to the data identifier; obtaining an influence factor node tree; wherein the influence factornode tree comprises a plurality of influence factor nodes; extracting each piece of target influence data corresponding to the influence factor node in the to-be-processed data; obtaining a node weight corresponding to each piece of target influence data based on the influence factor node tree; And calculating to obtain a target value according to the target influence data and the corresponding node weight. By adopting the method, the to-be-processed data can be subjected to data analysis based on multiple influence factors, and the target value is automatically and efficiently determined.

The invention relates to a super-directivity beam-forming method based on circular array real number weighting. The method comprises the steps that firstly, the symmetrical property of a uniform circular array with an even number of array elements is utilized, and a beam pattern, a directivity factor and an error sensitivity function are all transformed to the calculation form of real number fields, wherein the dimensionality of a weight vector is reduced; secondly, super-directivity beam-forming is constructed to form a multi-constrained optimization problem, and the directivity factor is maximum under the condition that sidelobe level and robustness constraints are achieved; finally, a real number weight vector is solved by utilizing the mature second-order cone programming method. According to the super-directivity beam-forming method, the following properties are utilized to overcome the defect of a large calculated amount. By means of the properties, the beam pattern of the uniform circular array with the even number of array elements, the directivity factor and the error sensitivity function can all be calculated in the real number field, and the calculated dimensionality is reduced; the computational efficiency of second-order cone programming in the real number field is higher than the computational efficiency of second-order cone programming in a complex number field.

The present application provides a real-time data processing method and system, and an instant processing system. According to the real-time data processing method and system and the instant processing system provided by the embodiments of the present application, real-time data sent by a real-time processing system is acquired by a merge node; and further according to a distribution policy, in at least one local node or in a merge node and the at least one local node, a node is determined as a processing node so that the processing node can write the real-time data into the distant processing system, thereby implementing that the instant processing system can perform a flexible computation and query on real-time data.

The invention provides a spraying pipeline engineering quantity calculation method and device, a storage medium and computer equipment. The method comprises the following steps: acquiring architectural drawing information; determining a nozzle and a pipeline in the architectural drawing information; constructing a tree structure according to the geometric position relationship and the connection relationship of the pipelines and the nozzles; obtaining attribute information and professional specification information of the pipeline; and calculating the pipe diameter of the pipeline according tothe tree structure, the attribute information and the professional specification information. Through the invention, the accuracy of spraying pipeline engineering quantity calculation can be improved.

The invention provides a mine group working face mining mutual interference range calculation method based on microseismic monitoring, and relates to the technical field of mine monitoring and data processing. The method specifically comprises the steps that 1, microseismic monitoring is distributed between two working faces of a mine group; 2, a top plate and a bottom plate are constructed and drilled, construction blasting is carried out on each rock stratum, and the wave speed of vibration wave propagation of each rock stratum is measured; 3, the coordinates and time of microseismic eventsare monitored in the mining process of the two working faces, and when the two working faces monitor the microseismic events generated by the same seismic source, the maximum origin time interval of the same seismic source is calculated; and 4, the proportion of the microseismic events in each time period range is counted in sequence, the spatial distance of two microseismic events in a determinedtime period group is calculated, and the maximum value is the mining mutual interference range of the working faces. By means of the method, the mining mutual interference range of the working faces.By means of the method, the mutual interference range of the two working faces of the mine group can be quickly and reasonably determined, and a basis is provided for reasonable optimization arrangement of the two working faces of a to-be-mined region in a mining area.

The invention provides a heat island simulation and forecast method of an urban planning scheme based on grey neural network CA model, which comprises the following steps: 1) collecting data of urbangreen space, hardened ground, building layout, volume ratio, building density and water body that affect the simulating and predicting of the heat island; 2) calculating and obtaining that kernel density of each factor in each divide area; 3) establishing a regression equation; according to the typical weather test results and regression parameters, using the grey neural network CA model to trainand verify the model, wherein the output results are the heat island effect of the simulation and prediction program. The invention provides a method for controlling and evaluating an outdoor thermalenvironment of a town. According to the spatial influence factors of urban heat island, the spatial distribution of urban heat island intensity at any time is simulated under the given meteorologicalconditions, so people can adjust the distribution of hardened ground such as building layout, green space layout and road square in urban planning according to the simulation results, which provides apowerful analysis tool for ecological town planning.

The invention provides an impulse interference monitoring and parameter determination method suitable for a navigation receiver. The satellite navigation receiver pulse interference detection method mainly adopts technologies of intercepting digital sampling data in a segmented manner, improving impulse interference detection capability through incoherent accumulation and the like, involves a received signal storage module, a data preprocessing module, a data smoothing module, a parameter determination module and the like, and completes impulse interference detection and parameter determination of a satellite navigation receiver through each module under unified clock control. According to the method, impulse interference entering the receiver can be rapidly detected and parameters can berapidly determined, pulse period and duty ratio parameters of impulse interference signals are given, interference alarm information is sent, and correctness and usability of the navigation receiver are improved under complex impulse interference conditions.

The invention discloses an automatic pressure stabilization and gas nitriding control method. The method comprises the steps that (1) the partial pressure, stability and other technological parametersof ammonia gas and hydrogen gas in an atmosphere are obtained through a hydrogen probe or other measuring means; (2) the partial pressure of the ammonia gas and the partial pressure of the hydrogen gas are transmitted to a PLC; (3) the PLC calculates the nitrogen potential value Kn according to a set formula, so that the value Kn-real is obtained; (4) the nitrogen potential value Kn-real obtainedthrough measuring is compared with the value Kn-set which is set by the technology, and a deviation value is obtained; (5) a command is output to a mass flowmeter MFC according to the deviation valueand a control unit of the PLC, and flow control is conducted; (6) after the flow is changed, thus, the value Kn of the atmosphere in a furnace keeps being changed and measured by the hydrogen probe,and closed-loop control is completed; and (7) a pressure sensor or a probe P is additionally arranged to directly measure pressure change, and flow control is optimized through new variables.

The invention discloses an impedance measurement method and device for an onshore doubly-fed wind field through a traditional direct-current sending-out system, which relate to the technical field ofrenewable energy power generation and transmission systems, and are used for realizing impedance measurement of the onshore doubly-fed wind field through the traditional direct-current sending-out system and providing a reliable and accurate data basis for stability analysis. According to the scheme, the method comprises the following steps of acquiring structural parameters of a doubly-fed wind field subsystem, and calculating to obtain a wind field impedance value Zwf(s) at a specific frequency f according to the structural parameters, the control parameters and the related steady-state values of the given doubly-fed wind field subsystem, obtaining the output active power P of the traditional direct-current sending-out subsystem and the output reactive power Q of the traditional direct-current sending-out subsystem, calculating an impedance value ZLCC(s) of the traditional direct-current sending-out subsystem at a specific frequency f, and conducting impedance cascading on the Zwf(s)and the ZLCC(s) to carry out corresponding impedance cascading, and acquiring the total impedance value of the whole onshore doubly-fed wind field under the specific frequency f through a traditionaldirect-current sending-out system.

The invention discloses an arbitrary waveform synthesis method based on a sampling rate conversion technology, which comprises the following steps of: calculating waveform data at a variable sampling rate, storing the waveform data into a memory, and in the storage process, when a memory read-write control module receives a control command, executing write operation and then executing read operation; and then dividing the read data into multiple parallel paths, wherein each path of data is independently subjected to sampling rate conversion, the validity of each path of data and the arrangement relation of each path of data are controlled through a parameter of sampling rate conversion multiple, and the valid data are re-spliced to obtain output data under a fixed sampling rate. The mode facilitates effective filtering of output signal mirror image frequency components, stray is reduced, and meanwhile the sampling rate index of the arbitrary waveform generator is improved.