375results about How to "Guarantee fairness" patented technology

The invention discloses a voting method, a voting device and voting equipment based on Blockchain, and a medium. The method comprises the steps of: obtaining voting values representing a voting intention in each voting node; encrypting each voting value according to the homomorphic public key of the counting nodes generated by a homomorphic encryption algorithm to generate encrypted values; transmitting each encrypted value to a consensus node running a blockchain smart contract, and controlling the consensus node to perform a summation operation on each encrypted value to obtain an encryptedvoting result; decrypting the encrypted voting result by controlling the homomorphic private key of the counting nodes generated by the homomorphic encryption algorithm to obtain an original voting result, and recording the original voting result in the blockchain through the blockchain smart contract for publicity for each node in the blockchain network. This method ensures the fairness of the counting process and the overall voting efficiency. In addition, the invention also provides a voting device and voting equipment based on Blockchain, and a medium, having the beneficial effects the same as described above.

The invention relates to a resource management method suitable for a multilayer satellite system. The resource management method adopts the following design principle that high altitude satellites are used as reserved resources and are specially used for distributing resources for users with high priorities and high QOS (Quality of Service) requirements and distributing the resources for the user as required in a real-time manner; and meanwhile, low earth orbit satellites are combined and are used as ground network supplements, the characteristics of high-speed motion and the like of the low earth orbit satellites are considered and a method for dynamically distributing the resources for users with low priorities by using efficiency, cost and user publicity as evaluation indexes is designed. According to the design, the characteristics of the high altitude satellites and the low earth orbit satellites are combined; the priorities of the users are considered; the resources are distributed for the users with high priorities as required; a multi-target evaluation function is designed for the users with low priorities; and the multi-target evaluation function is nondimensionalized, so that in the resource management process, the evaluation indexes of other targets are not ignored due to an excessive function value of a certain index, and thus, a multi-target optimization method which has the advantages of short time delay, high bandwidth utilization rate and balanced resource distribution is integrally implemented.

The invention discloses a method and system for detecting abnormal use of voice input equipment. A characteristic extracting mode which is more comprehensive to remote voice signal characteristics and closer to human perception is adopted in the invention so as to roughly judge background voice, normal voice and remote voice. On the basis of classification of audio signals, by adopting the combined method of a modern signal processing technology and a statistical machine learning theory, the problem of multiple limits on front-end voice input by a traditional method is overcome so that signal-level quality scoring is closer to human scoring. According to the invention, the difference problem of front-end input voice quality due to artificial use errors of the equipment in large-scale tests of spoken language is solved.

The invention discloses a method for optimizing a power generation plan in a mode of tracing scheduling of an annual electric quantity progress. The method comprises the following steps of: firstly, calculating a currently-expected power-output plan of a machine set by taking annual progress control as a target; and secondly, optimizing and calculating the power generation plan of the machine set by taking a minimum deviation of the expected power-output plan as the target and considering all kinds of constraint conditions. A reasonable scheduling plan is made by two-stage decision links of expected plan making and optimization of a safety constraint power generation plan, the effective synchronous execution of a contract electric quantity is guaranteed, safe and fair united optimization is realized, and the intelligent level and decision making capacity of power generation scheduling can be improved conveniently. Meanwhile, the method is characterized by low calculation strength and strong adaptability and is more suitable for promotion and application in scheduling institutions at all levels in China.

The invention relates to a method and a system for evaluating scientific research projects, wherein the method for evaluating the scientific research projects includes: storing evaluation index elements and evaluation models of stages of at least one scientific research project, selecting the evaluation index elements corresponding to the stages of the scientific research projects needing evaluation from the stored evaluation index elements, distributing weights for the selected evaluation index elements, and generating evaluation results of the stages of the scientific research projects needing evaluation according to the evaluation models corresponding to the stages of the scientific research projects needing evaluation by the aid of evaluation value and the weights corresponding to the selected evaluation index elements, wherein the stages include a project application stage, a project demonstration stage, a project implementation stage, a project finishing acceptance stage and a project post-evaluation stage. By the aid of the technical scheme, full life cycle macro-management can be performed for the scientific research projects, and the evaluation results are fair and extremely practical.

The invention discloses a card distributing mechanism for an automatic card shuffling machine. A card distributing device (22) is in a rail shape; a card feeding rubber wheel (1) and a card splitting rubber wheel (2) of the card distributing device (22) feed playing cards in a card collecting bin (6) into a card distributing port (9) through a card feeding belt (4) and a pressing plate (3); and a detection device (8) positioned in the center of the rail calculates the number of the playing cards, detects the positive and negative surfaces of the playing cards, turns the playing cards which need turning through a card turning clip (7) and feeds the playing cards into the card distributing port (9). Due to the technical scheme, the problems that the card shuffling machine cannot automatically distribute the playing cards, identify the positive and negative surfaces of the cards or turn the cards in the prior art are solved, the playing cards are prevented from being contacted with people, and the fairness of games is ensured; two sets of playing cards are played, the playing methods of poker games can be flexibly set, and time for waiting for the games is shortened; and the work efficiency and randomness of the automatic card shuffling machine are improved, and game players can fairly play the games.

A method for intelligently selecting an accounting node of a blockchain, relating to fields of blockchain, virtual currency and artificial intelligence, is provided, including steps of: (1), based on block data, calculating a node capability value of each accounting node; (2), making statistics of threshold values of the node capability values of every node; and (3), according to the threshold values, determining a current accounting node, and thereafter randomly selecting other nodes, so as to complete node selection. According to the present invention, based on block data and miner data of various dimensions, an intelligent distribution mechanism of accounting rights or mining rights is adopted; and meanwhile, a random distribution of accounting rights or mining rights is also adopted for avoiding hacker attacks. Therefore, on a premise of guaranteeing fairness, decentration and safety of the blockchain, problems of energy waste and low accounting efficiency due to mining conflict are solved.

This invention provides a device for detecting an analyte in a liquid sample, comprising a cup body (7), a lid (1) and a base (15), wherein, said the cup body (7) comprises a liquid storage chamber (9) and a test strip groove locating in one side of liquid storage chamber, the storage chamber (9) and the test strip groove communicates each other through a small hole in the bottom of liquid storage chamber, the test strip groove is configured with a test strip plate, said lid being able to seal the opening of the cup tightly, said opening of cup being directly connected with the liquid storage chamber.

The invention discloses a dynamic bandwidth allocation algorithm applied to an OFDM-PON (Orthogonal Frequency Division Multiplexing-Passive Optical Network) system and belongs to optical fiber communication systems. The invention utilizes an interruption application response method to realize the bandwidth request and allocation; a plurality of subcarriers in the system are divided into three parts, namely, a communication channel control part, an ONU (Optical Network Unit) default bandwidth part and a part stored in a dynamic pool; when the load on the link is light, each ONU compares respective local flow with local threshold value so as to decide whether an interruption application for extra bandwidth is started; and when the load on the link is heavy, an OLT (Optical Line Terminal) allocates the surplus subcarriers based on the requiring ratio of the ONUs under the condition that the rated bandwidth of the ONUs is met firstly, so as to realize dynamic allocation. The invention ensures low time delay and low package loss rate of a high priority service, also performs bandwidth allocation as required, and can meet the equal allocation between the ONUs and the equal-level priority service when the load of link service flow is heavy.

The invention relates to a point-to-point system network performance testing method and a point-to-point system network performance testing system. The method comprises the following steps of: 1, running a virtual machine and a network simulation platform in a tester, and installing and configuring point-to-point application software in the virtual machine; 2, configuring the network topology of a point-to-point system network on a management monitoring server; 3, running the point-to-point application software in the virtual machine, and detecting the input/output traffic of point-to-point application of the virtual machine run on the same tester as the network simulation platform and reporting the input/output traffic to the management monitoring server by using the network simulation platform; and 4, receiving the input/output traffic reported by the network simulation platform, and calculating a network performance testing result according to the input/output traffic and the network topology by using the management monitoring server. By the method and the system, difficulties in test opening can be reduced, and the testing efficiency can be improved.

The invention discloses a high-accuracy computer automatic marking method for subjective items based on domain ontology. The method comprises the following steps: firstly, building a domain ontology structure suitable for automatically marking the subjective items, and explaining a domain relation into a sentence in a natural language for describing a domain event; secondly, building a subjective item bank structure based on the domain ontology and item description logic, requesting the items to accord with the subjective item bank structure, and then marking answer sheets of examinees according to the following steps: (1) obtaining single words and part-of-speech tagging in the answer sheet of each examinee; (2) tagging an ontology element; (3) generating an answer sheet semanteme based on the domain relation; (4) calculating based on the similarity of the answer of the domain relation and the answer sheet semanteme; (5) calculating the score of the answer sheet of the subjective items of each examinee. According to the method, the semanteme analyzing and processing flows of the natural language in each examinee answer sheet are greatly simplified; the semanteme of answer domain knowledge is relatively fully expressed; the accuracy for automatically marking the subjective items is ensured.

A band allocation control apparatus to control bands to be allocated to a plurality of Optical Network Units (ONUs) includes a band allocating unit which sets an allocation band to be allocated to each ONU according to a ratio of a maximum band limit value of the ONU. The apparatus achieves band control guaranteeing impartiality between the service levels of ONUs.

The present invention provides an information system and a method of public security criminal technical inspection and identification. The method has the following procedures: authorizing identification, accepting the authorized identification, delegation of inspection of cases, implementing identification, professional verification, administrative examination and approval, returning the cases, picking up documents, keeping material evidences, filing the documents, integrated modification, integrated inquiry, integrated statistics, working out statistical forms, personnel management, managing the assets, attendance management, network office operation, and system management. The system comprises three levels, wherein, a first level is application, comprising application of dual-server clustering and WEB server dual-clustering; a second level is database which takes two highly functional servers as the database clustering servers and uses independent exchanger equipment; a third level is data storage, adopting an EMC high-end array. The present invention can meet the needs of the criminal technical inspection and identification for a public security system.

The invention discloses a D-S-evidence-theory-based distribution automation terminal state diagnosis method. The method comprises: statistics of designated state characteristic quantities is carried out from operating information uploaded to a main distribution station from a distribution automation terminal; distribution automation terminal states are graded and a fuzzy membership function, corresponding to different distribution automation terminal states, of the state characteristic quantities is constructed; various membership parameters of the fuzzy membership function are determined; with the distribution automation terminal state grading result as a single element proposition, a basic probability assignment function and an evidence fusion result are calculated for the single element proposition and an identification frame; and matching is carried out on the evidence fusion result and a preset terminal state diagnosis decision-making criterion, so that a current state of the distribution automation terminal is obtained. According to the invention, the state of the distribution automation terminal can be determined accurately based on the operating information; the detection result is accurate and reliable; the diagnosis becomes convenient and rapid; and the operability is high.

The invention discloses a multi-round voting type fault-tolerant sorting consensus mechanism and method based on a block chain. The mechanism comprises service nodes in the consensus and accounting process. Transaction initiation and sorting are carried out through the service nodes, legal transactions are obtained and then put into a transaction pool for transaction, and then multiple rounds of voting consensus is entered; multiple rounds of consensus verification and execution is performed on the transaction data through the service node in the voting consensus; and after the consensus is completed, the multichannel account book of the block chain is synchronously updated and accounted, the transaction with successful consensus is sent to the sorting node to sort out the block, the received block transaction is verified by the accounting node, the state database of the block transaction is updated after verification, a new block is added to the main chain, and then a new round of consensus verification and execution work is entered. According to the mechanism and method, achievement of global correct consensus can be guaranteed, fault tolerance is high, and the mechanism and methodare suitable for alliance chains with a large number of nodes. When a large number of verification nodes fail, the system stops working, so that the security of the blockchain is better guaranteed,and the double-fault problem is prevented.

The invention relates to the technical field of Internet. The invention discloses a processing method of a public invitation task. A system, a device and a storage medium are used for solving the problem that a publisher and a task completion party are untrusted in a public invitation task execution process, and the method comprises the following steps: receiving a public invitation task publishedby the task publisher and an electronic resource for executing the public invitation task; Sending an intelligent contract calling instruction to the block chain to call an intelligent contract construction function; Constructing a function according to the smart contract, and sending the public invitation task and the electronic resource to the block chain; Enabling the block chain to constructan intelligent contract corresponding to the public invitation task; Receiving an execution result sent by a task invitee after implementing the public invitation task; Sending the execution result tothe smart contract; And the smart contract verifies the execution result, and pays the electronic resource according to the verification result.

The invention discloses a preplan variable polling control satellite communication method and system. The method comprises: a community composed of a master station, a management base station and a plurality of slave stations establishes a point to multi-point communication mode under the organization distribution of frequency division multiple access, the master station controls the data transceiving states of the slave stations according to a polling control preplan draught in advance and transceives data with the slave stations, and each slave station transceives data according to the control of the master station and transmits data within the service time slot endowed by the polling control preplan, thereby realizing time division multiplexing of shared satellite resources. Further, the polling control preplan is edited in advance by the master station, and can be modified and retransmitted. The polling control preplan can divide slave station services into common services and important services, and can also comprise priority setting and delay starting of service data. The method and the system can realize time division design of shared satellite resources, realize quasi real-time transmission and quickest back transmission of data, and guarantee the fairness and accuracy of data back transmission.

The invention belongs to the technical field of wireless communication, and discloses a multi-cell MIMO-NOMA (Multiple Input Multiple Output-Non-Orthogonal Multiple Access) optimal power distributionmethod based on interference suppression. According to the multi-cell MIMO-NOMA optimal power distribution method based on interference suppression, a multi-cell MIMO-NOMA system model and a user channel fading model are constructed; inter-cell interference is eliminated by an interference alignment technology to obtain a mathematical model of a power distribution problem; a tight lower bound coefficient and corresponding substitution are constructed, and the original power distribution problem is converted into a convex optimization problem; and an optimal power distribution solution is determined by an iterative algorithm. According to the invention, a multi-cell MIMO-NOMA interference elimination strategy is disclosed and on the basis of suppression on interference, the optimal multi-cell joint power distribution problem is derived, so that a system and a rate are maximized in the premise of ensuring user fairness and an optimal transmission solution in an optimal multi-cell MIMO-NOMA scene is obtained.