88 results about "Information reliability" patented technology

Generally, decisions are based on information. To be useful, information must be reliable. Basically, the concept of a Z-number relates to the issue of reliability of information. A Z-number, Z, has two components, Z=(A,B). The first component, A, is a restriction (constraint) on the values which a real-valued uncertain variable, X, is allowed to take. The second component, B, is a measure of reliability (certainty) of the first component. Typically, A and B are described in a natural language, for example: (about 45 minutes, very sure). Z-number has many applications, especially in the realms of economics, decision analysis, risk assessment, prediction, anticipation, rule-based characterization of imprecise functions and relations, and biomedicine. Different methods, applications, and systems are discussed. Other Fuzzy concepts are also discussed.

In a system using spatial precoding, in the event that reliable channel state information is unavailable, a transmitting node artificially creates a randomization of the precoders applied to the transmitted signal. Different precoding vectors are applied to both transmitted data and demodulation reference signals for each of several groups of time-frequency resources, where the precoding vectors vary randomly or pseudo-randomly from each group of time-frequency resources to the next frequency-adjacent group or groups, or to the next time-adjacent group or groups, or both. In an LTE system in particular, this randomization of precoders can be applied at the resource-block level or, at the level of the Precoding Resource block Group (PRG), for example. Thus, the precoders applied to the transmitted signal vary from one PRG to the next, in a random or pseudo-random fashion.

The invention discloses an information reliability evaluation method in an Internet-of-vehicles environment. The information reliability evaluation method in Internet-of-vehicles environment is divided into two modules of information filtering and comment generation, and comprises the following process: an information sender firstly screens information meeting evaluation requirements according to an information weight W and a reputation value R, and the satisfied information is sent to a roadside evaluation unit (REU) established on the roadside by a vehicle; the REU analyzes the information by use of an evidence collected previously and generates evaluation comments; the information of which the evaluation comment is reliable is sent to the vehicles all around, and the vehicles receiving the corresponding information take corresponding measures. According to the information reliability evaluation method in the Internet-of-vehicles environment, within the whole information evaluation frame, the whole process from information filtering and comment generation is capable of improving the reliability of the information in the Internet of vehicles, and also capable of avoiding heavy losses caused by wrong and even malicious information.

The invention relates to an agricultural ecological environment information management and monitoring method and a system based on Internet of Things, big data and cloud computing, which belong to the technical field of computers and network. The method and the system comprehensively use the Internet of Things, the big data, the cloud computing and an electronic data preservation technology, the agricultural ecological environment information is managed and monitored, and through a sensor, a cloud computing platform and the like, the agricultural production process is monitored in real time, remote diagnosis and early warning are carried out, and an agricultural automatic device is remotely controlled to complete related work. The system comprises an agricultural ecological environment information acquisition and transmission module, an agricultural ecological environment information safety storage module, an agricultural ecological environment information analysis and application module and an agricultural facility remote control module. Through the system of the invention, high-efficiency factory farm can be realized, the modern technology and the management level of the agriculture can be improved, and as the electronic data preservation technology is used, the agricultural ecological environment information reliability can be ensured, and the agricultural ecological environment information effective use can be ensured.

The embodiment of the invention discloses method and device for evaluating traffic information, which relates to the field of traffic information application and solves the technical problem of poorer reliability of the traffic information referenced by a user in the prior art. The method of the embodiment of the invention mainly comprises the following steps of: testing a tested road section through road testing track equipment to obtain sample track data of the tested road section; processing the sample track data according to a road testing standard computing mode to obtain standard answer road condition information; and according to the standard answer road condition information, evaluating the accuracy of the road condition information obtained by a traffic system according to real-time dynamic traffic flow information. The embodiment of the invention is mainly applied to evaluating the traffic information and providing traffic information service.

A travel control apparatus for a vehicle includes: a frontward environment recognition unit that obtains frontward environment information by recognizing a frontward environment of the vehicle; a frontward environment information reliability calculator that calculates a reliability of the frontward environment information; a map information storage unit that stores map information relating to a travel region of the vehicle on the basis of position information indicating a position of the vehicle; a map information updating unit that updates the map information while calculating a reliability of the map information; a control information selector that compares the reliability of the frontward environment information with update information relating to the map information, and selects either one of the frontward environment information and the map information as information to be used during automatic driving control; and an automatic driving control execution unit that executes the automatic driving control based on the selected information.

Reliability of data reports can be determined by a device that receives a number of reports from different sources. One method includes: receiving data reports from devices. The data reports are associated with an occurrence of an event. The method also includes determining reliability data representing reliability of the data reports. The reliability can be determined based on one or more different defined characteristics such as the location at which a data report was generated relative to the location of the event, whether the data report was the most recently-received data report and/or the number of data reports reporting that an event is ongoing relative to the number of data reports reporting that the event is no longer ongoing. The method can also include determining whether a data report includes information indicative of a false positive report or a false negative report.

The invention relates to a method and system for directly sharing commodity information to another user mobile terminal by calling an address book when a user uses one mobile terminal. The method mainly comprises the following steps: selecting a commodity of which the information is to be shared by a client application program; calling the address book of a client by the client application program; sending the commodity information, and/or the comment information and the target user information to a server by the client application program; processing and sending the information to a client of a target user by the server; receiving and browsing the commodity information by the client application program of the target user; and responding the information to a client of a transmitter. Due to the adoption of the method and the system, the users can share the commodity information and communicate. Because of the way of transmitting the commodity information among the mobile terminals efficiently, the users can share the commodity information and comment conveniently, and the target user can search the suitable commodities conveniently. Because the two parties sharing the commodity information are familiar with each other, the reliability and the effectiveness of the shared commodity information are high, and the privacy of the users can be protected.

The invention relates to a user reliability assessment method based on microblog platforms which are famous globally and include Twitter, Sina microblog, Tencent microblog and the like. The method aims at research on information reliability to provide an assessment model using user reliability to assess the reliability of a user. The method provides a key theoretical basis for identification of authenticity of a great amount of information on the microblog platforms for global microblog users to be used for professional reference, and provides significant value of application for use of the vast range of the microblog users. The method can be widely applied to the respect of assessment of the information reliability on the microblog platforms, wherein the assessment is mainly carried out on the reliability of the users on the microblog platforms, detection on theme experts, actual value of advertisement putting effect and the like. The method lays significant foundation for accurate identification of authenticity of the great amount of information on the microblogs by the microblog users in the information age to a certain extent.

The invention provides a star sensor autonomous navigation method based on satellite identification, and belongs to the technical field of star sensor autonomous navigation methods. The method achieves star-sensor-based fully-autonomous navigation, and provides a carrier with attitude and position information that is high in precision and not emanative along with time. The method includes creating a satellite star map and an integrated star map, and acquires all information and attitude information of fixed stars and satellites according to match of all heavenly bodies with the star maps. According to the acquired fixed star and planet information, high-precision positioning is performed by an improved starlight angular distance process, thus completing transformation into carrier attitude information, and achieving the star-sensor-based fully-autonomous navigation method base in its true sense. The method is advantageous in that 1) the satellite information is adopted in the method so that adaptability and flexibility are good, 2) satellite positioning is adopted in the method so that stability and precision are good, 3) redundancy multi-star resolving is adopted in the method and is anti-interference, and 4) integrated star map matching is adopted in the method, thus increasing information reliability.

The invention discloses an LDPC soft information decoding method and a coder-decoder based on Nand Flash. Certain redundant digits are sacrificed to store error detecting code information and further to obtain rough soft information, and the error correction performance of Nand Flash data storage is improved. The performance of rough soft information decoding is degenerated relative to LDPC non-quantified decoding. The coder-decoder reduces performance degeneration mainly by that 1) the dimension of an error detection unit and the type of an error detection code are selected effectively and reasonably so that the obtained soft information approaches original soft information more; 2) a soft information unit generates soft information randomly corresponding to different reliability degrees of error detection information, and input of the original soft information is simulated; and 3) a soft information update strategy is employed, soft information is updated adaptively, iteration is carried out again, so that the error rate of decoding is reduced, and the decoding performance is improved.

The embodiment of the invention provides a data processing method and a data processing device and aims to solve the problems of resource waste and low data sheet reading and writing efficiencies in the prior art. The method comprises the following steps of: capturing point of interest information which comprises production time, production technology and the field information of at least one point of interest; and judging whether the field information of the point of interest comprises a point of interest identifier or not, updating a basic data sheet and a field description information sheet according to the point of interest identifier if the field information of the point of interest comprises the point of interest identifier, otherwise distributing the point of interest identifier to the point of interest information and inserting the point of interest information into the basic data sheet, wherein the basic data sheet comprises all point of interest fields, initial operation time and initial production technology; and the field description information sheet comprises field names, the production time and the production technology. The field description information sheet is adopted in the embodiment of the invention, so that the information reliability can be enhanced.

The invention discloses a semi-distributed vehicle violation reporting method based on a block chain, being applied to the field of Internet of Vehicles, aiming to solve the problems that violation records are damaged, and a system crashes and violation users cannot be reported in time due to the fact that centralized reporting is prone to single-point failure. For the semi-distributed vehicle violation reporting method, based on a semi-distributed working mode, a reporting user needs to request identity authentication from an authentication center in a centralized manner, and real-time violation reporting information is shared and stored by applying a block chain technology, so that any vehicle user can inquire violation records in real time, receive an alarm from a new block message andcorrect own behaviors. According to the invention, information reliability is ensured through an identity registration process; and a reporting user only needs to store the hash value of the violationevidence file on the block chain, and the communication overhead of uploading the evidence file is reduced, and a consensus algorithm combining PoW and PoS is also used, and the calculation workloadin the PoW algorithm is reduced by utilizing the credibility of the reporting information, and the throughput of the real-time reporting message is improved.

The invention discloses a method and a device for improving the reliability of statistic information of a data object in a database. The method comprises the following steps of: receiving the data object, acquiring the absolute change amount and the relative change amount of the data object according to the received data object information and prestored data object information and storing the received data object and a data object name; judging whether the accumulated absolute change amount and the relative change amount of the data object exceed the preset change amount threshold of the data object, if so, calling the preset analysis strategy, reliably scanning the data object stored in the database and acquiring the data object having the same name as the stored data object name; and calling the analysis program to process the acquired data object and acquiring the statistic information of the data object and upgrading a system base table of the stored statistic information of the data object. By applying the invention, the maintenance cost of the database can be reduced and the query hit rate of the statistic information of the data object in the database can be improved.

The invention relates to multiview-based underwater target classification system and method. The method is based on a mode recognition system the input data of which is multiview data obtained by radiating a target object from multiple angles; the method comprises the following steps: data acquisition and preprocessing: receiving and preprocessing the input multiview data; feature extraction: carrying out feature extraction on the preprocessed multiview data by adopting a feature algorithm suitable for multiview data; classifier designing: designing a classifier by adopting a hidden Markov model (HMM); classification judgment: judging the classifier to which the feature extracted from the multiview data is input, thus obtaining a classification result. By utilizing the method, through a plurality of acoustic susceptance and a plurality of information sources, multi-dimensional space data acquisition is carried out as feature extraction information sources in the underwater target classification system, the number of target feature vector dimensions is increased, and the information reliability can be improved.

The short message sending process in vehicular terminal includes the following steps: the vehicular terminal to judge whether to exist blocking in the short message channel after receiving the sending request; the vehicular terminal to judge whether to need monitoring in case of blocking; if so, to send short message in alternate dual-tone multifrequency signal mode and phonetic signal mode; if not, to send short message in continuous dual-tone multifrequency signal; to send short message via the short message channel in case of no blocking; and to end sending. The present invention transmitsDTMF signal via FACCH/F or FACCH/H with fast speed and can send the alarm signal and position information to the monitoring center timely. In addition, the DTMF signal has high decoding sensitivity, high decoding speed, strong anti-jamming capacity and high message sending reliability.

The invention relates to a GNSS double antenna aided multi-sensor combined navigation system and method. The navigation system includes a sensor unit at least including an air pressure gauge, a magnetometer, an acceleration meter, a gyroscope and a GNSS double antenna, wherein the GNSS double antenna measures course angle, pitch angle, speed and position of a carrier in real time and is used for initial alignment and modification of output of gesture, speed and position of the navigation system; a data management module connected to the sensor unit and used for performing receiving, synchronization, detection and error compensation on data of the sensor unit. According to the invention, a double antenna alignment mode is adopted and accurate output of navigation information can be realizedafter starting and multiple navigation combined modes can be realized. According to the invention, through application judgment, automatic algorithm adjustment is performed, fixed gain filtering is performed, so that navigation information reliability is ensured.

The invention discloses a depth and state detection device and method for an ultra-deep mine hoisting container. The device comprises a wellhead arranged on one side of a mine shaft, coding cables laid on all middle sections, an antenna box, an address detection decoder, a carrier generator, a triaxial accelerometer, a digital signal processor (DSP) collection and operation module, a wireless signal transmitter, a transmitting directive antenna, a receiving directive antenna, a wireless signal receiver and an industrial personal computer. The entire device is simple in structure, low in cost and convenient to operate. According to the method, the triaxial accelerometer is provided for detecting the motion state of the container in a non-critical position, integration is conducted on the accelerometer so that the speed and depth of the container can be obtained, the information can be compared with information acquired from a rotary encoder, hence, information reliability is guaranteed, and operation safety of equipment is guaranteed as well.

The invention discloses a two-dimensional code-based performance and monitoring data presentation method, and aims to solve the problems of data presentation and data security. A monitoring terminal, a server and a mobile terminal are involved, wherein the monitoring terminal is connected with the server through a network; the server is connected with the mobile terminal. Compared with the prior art, the method has the advantages that the running data leakage risk of key equipment can be reduced, the big data presentation efficiency is improved, and high information reliability is ensured; during the maintenance of the equipment, the data acquisition efficiency of personnel is improved, the data acquisition complexity is lowered, and the data positioning accuracy is improved.

A positioning device includes: altitude information storing means; satellite signal receiving means; three-dimensional coordinate information generating means; positioning condition information generating means for generating positioning condition information indicating positioning condition when the three-dimensional coordinate information has been generated; reliability allowable range judging means for judging whether reliability of three-dimensional altitude information included in the three-dimensional coordinate information is within a predetermined reliability allowable range or not based on the positioning condition information; altitude information renewing means for renewing the altitude information by using the three-dimensional altitude information based on judging result of the reliability allowable range judging means; two-dimensional coordinate information generating; and positioning method deciding means for deciding whether to use the three-dimensional coordinate information generating means or to use the two-dimensional coordinate information generating means based on judging result of the renewal time evaluating means.

Whether mail transmitted is unwanted mail is discriminated even in a case where the mail is transmitted from a zombie PC. An unwanted mail discriminating apparatus 10 has a mail receiver 11 for receiving e-mail; an information extractor 12 for extracting discrimination information for discrimination on whether or not unwanted mail, from the e-mail received; a reliability evaluating part (sender information reliability evaluator 14 and URL information reliability evaluator 16) for connecting to a reliability evaluation database 13, 15 storing information corresponding to the discrimination information, which is for evaluating reliability of the discrimination information, and for evaluating the reliability of the extracted discrimination information with reference to the information stored in the reliability evaluation databases 13, 15; and a discriminator 17 for discriminating whether the received e-mail is unwanted mail, based on the reliability of the discrimination information evaluated.

The invention belongs to the technical field of electronic signature equipment, and discloses a stress luminescence-based novel electronic signature touch pen. The touch pen comprises a tubular shell;a stress luminescence pen point is embedded in the center of the front end of the tubular shell; a micro-camera is embedded in the side surface of the front end of the tubular shell; a photoelectricconverter is embedded in the back end of the stress luminescence pen point; and a central processing chip and a signal transmitter are fixed in the tubular shell. The stress luminescence pen point directly emits electromagnetic wave light rays under the action of external force; the photoelectric converter collects light information emitted by the pen point; and a micro-lens fixed at the back endof the pen point shoots a writing plane as a video signal and transmits optical information and video information to an upper computer. Compared with a conventional signature pen, a signature containsnot only information of pen point pressure and pen point friction but also speed information during signature; an image is not merely a two-dimensional signature image; the information reliability isimproved; and the signature information security is further improved.

Disclosed in the invention is a low-complexity LDPC dynamic scheduling decoding updating method based on variable node reliability. On the basis of point residual of variable nodes, by using an oscillation selection theorem and the dynamic selection strategy of a variable node check criteria, variable nodes which carry reliable extrinsic information are selected to be updated. The method not only takes the residual as a measurement, but also sets the oscillation selection theorem and the check criteria of variable nodes to classify all of the variable nodes into several categories in turn according to the reliability level and magnitude of the extrinsic information. In a set of variable nodes carrying reliable extrinsic information, the variable node with the largest residual is selected to be updated in priority. The method can take full advantage of the characteristic of dynamic change of information during the decoding process, so that the information of the variable nodes can be transmitted to other nodes rapidly, which improves decoding performance.

The invention discloses a recommendation type recruitment system and method, and relates to the field of recruitment service. The recruitment system comprises a background server, a recruitment unit,a job hunting unit, an HR evaluation unit, a recommender unit, a prey recommendation unit and a recruitment housekeeper, the background server is connected with the recruitment unit, the job hunting unit, the HR evaluation unit, the recommender unit, the prey recommendation unit and the recruitment housekeeper, and each unit comprises multiple modules. Correspondingly, the recruitment method of the system comprises an HR evaluation recruitment method or a recommender recruitment method or a prey recommendation method or a recruitment steward recruitment method. The system and the method are used for solving the problems of high recruitment cost and low resume information reliability in the prior art, and enable enterprises to well understand capabilities of job seekers in all aspects.

The invention relates to anti-counterfeit ink power which comprises common ink power, infrared colorful fluorescent powder and ultraviolet fluorescent powder and the like. The common ink power product, the infrared colorful fluorescent powder and the ultraviolet fluorescent powder are evenly stirred in an air current mixer in proportion, or the infrared colorful fluorescent powder and the ultraviolet fluorescent powder are taken as raw materials to be mixed with other raw materials in proportion, and the process of milling and melting method is adopted to prepare the anti-counterfeit ink power. The infrared colorful fluorescent powder and the ultraviolet fluorescent powder are added simultaneously, which can broaden spectral range. The image-text printed by the ink power can be viewed 3-6fluorescence under the irradiation of a laser light; and the ultraluminescent substances, namely, ultraviolet fluorescent powder can be displayed under the irradiation of a long-wave ultraviolet lamp.The detection method is simple and visual, can improve anti-counterfeiting effects and enhances the reliability of the information.