150results about How to "Credible" patented technology

The invention relates to an anti-counterfeit recognition system for a mobile phone two-dimensional code. The system transmits a video signal via a mobile communication network of a mobile operator, and scans and authenticates the two-dimensional code spray-printed on a commodity package via a camera on a mobile terminal so as to realize authenticating the truth of a commodity. At an interval whena customer is waiting for a recognition result, the system plays a stream media advertisement of a relevant product and distributes other information, and can effectively enable a trade company to acquire all data in a terminal operating process in time and directly realize seamless link between the trade company and the customer.

The present invention discloses a data popularity based monitoring point distribution requirement diagram generation method. The method comprises the steps of: determining sample points on a map, and determining a to-be-rasterized map region based on a distribution region of the sample points; performing rasterization processing on the to-be-rasterized map region, and obtaining grid units of the map region subjected to rasterization; performing weight assignment on the sample points; obtaining the weight value of each grid unit according to the weight value of each sample point and a position relationship between the sample point and the grid unit; and generating a monitoring point distribution requirement diagram according to the weight value of the grid unit. The present invention further discloses data popularity based monitoring point distribution requirement diagram generation method by using the method; the monitoring point distribution requirement diagram generation method and apparatus have the outstanding advantages that the sample points reflect monitoring point distribution requirements of the objective world; the weight values of the sample points reflect the requirement size; the regional popularity is taken into account, and higher credibility is achieved.

The invention provides an industrial field device control method, device and system based on edge calculation. The method is applied to any industrial controller in a blockchain system; the industrialcontroller corresponds to a field device to be controlled, and the industrial controller carries out mutual consensus on other industrial controllers in the blockchain system and has reliability. Themethod comprises the following steps: collecting field data of the field device; processing the field data so as to obtain a control instruction through linkage with other industrial controllers in the blockchain system; writing the field data and the control instruction to a blockchain and controlling the field device according to the control instruction. Data processing is carried out at the industrial controller level based on edge computing, rather than uniform control of a cloud-end server; thus, data communication between the industrial controller and the cloud-end server is not involved; therefore, the scheme can improve the control safety of the field device.

The invention discloses an account keeping system and method based on a sovereign block chain. The system is used for achieving the account recording of a data sharing process from user A to user B under the background of the sovereign block chain. The system employs a rule system based on the sovereign block chain, and aims at building a block chain system platform which is used for the attributes of user's identity, has the public trust and is sovereign. The system guarantees the high safety of account information, the highly usable of the account information and the stable and reliable account information.

The embodiment of the invention discloses a base station location determination method and device, a server and a storage medium. The method includes the following steps: enabling the server to obtainpositioning data of a terminal, wherein the positioning data includes base station identities, user identities and terminal self-test location information; classifying the positioning data accordingto the base station identities; clustering the positioning data corresponding to each user identity in a class to obtain a clustering area corresponding to each user identity in the class; and determining the location of a base station corresponding to the base station identity according to the obtained clustering area. According to the technical scheme of the embodiment of the invention, the accuracy of determining the location of the base station can be improved.

The invention discloses a cardiovascular disease risk prediction and evaluation system combining electronic medical records and medical images, which comprises a data preprocessing module for associating a structured feature field of an electronic medical record with a structured information field of cardiac color Doppler ultrasound to construct new electronic medical record structured data; the prediction model optimization module is configured to perform stratified sampling on the new electronic medical record structured data, divide the sampled data into a selection training set and a testset, and perform training optimization on the established electronic medical record prediction model; and the prediction result fusion module is configured to fuse prediction results of the electronicmedical record prediction model and the heart color Doppler ultrasound prediction model to obtain a final cardiovascular disease risk prediction evaluation result. According to the method, the electronic medical record information and the medical image information of the heart color Doppler ultrasound are combined, the electronic medical record information and the image information of the heart color Doppler ultrasound of individuals can be fully mined and utilized, and the cardiovascular disease risk assessment has credibility.

The invention discloses a method for evaluating the control performance of a PID (Proportion Integration Differentiation) loop based on subspace identification. The method comprises the following steps of: effectively segmenting a controller output signal u and a process output signal y according to the loop opening and closing states of a PID loop controller and the upper and lower limit constraints of the controller output signal u; solving a random system model by using a subspace identification algorithm; calculating a moment performance index and a performance index sequence at the reach of steady-state time according to the sampling time of the controller output signal u and the process output signal y, set PID loop steady-state time and desired time; and detecting oscillation in the loop according to a model obtained by using space identification and a self-correlation function of the process output signal y. The random system model is established by using the subspace identification, so that setting of a system order is avoided. By adopting the method, loop related information including 95 percent of steady-state time, 95 percent of dynamic time, overshoot and a peak moment is given by making full use of the model obtained by the identification. The performance index is calculated by using reference time set by a user, and is accordant with the practical situation of the PID loop.

The invention provides a digital signature authentication method facing a mobile widget, which comprises the following steps that: a certificate is generated; a developer submits a developer certificate application to a registration authority RA in a certification authority, the RA audits related contents and determines whether to examine and approve a request of the certificate application, the RA submits the application request and information that the approval is passed to a certificate authority CA after the certificate application passes the approval, and the CA signs and issues the certificate; the signature is carried out; after the certificate application is approved to register, an application program at the RA end initializes information of an applicant, issues the certificate to the developer, sends a privacy key, the CA adds related information of the certificate applicant in a LDAP (Lightweight Directory Access Protocol) directory server, the developer signs a program passing compilation on a development platform after receiving the privacy key and uploads the signed program to a Web server; and the verification is carried out. The invention combines a public key infrastructure PKI and an oval curve encryption mechanism and implements the certificate application, the certificate issuing, the certificate acquisition, the widget signature and the widget verification of the mobile widget developer are implemented.

A pick and analysis system can be used to choose and analyze figure proof. The proof protecting layer of it protects the analyze proof and prevent to amend and destroy the proof when analyzing and picking. The proof analytic layer of it picks and analyzes the figure proof comprised by the pick and analysis object. The proof expression layer of it offers operation interface for the user's inquiry and consult, and pick and analyze the figure proof of the pick and analysis object. It identifies collects and analyzes figure proof without any destroy, and then protects effectively the dependability and creditability of the figure proof in the system. The system and method prove the originality character of the figure proof and get dependability analysis conclusion.

The invention provides a traceable commodity transaction system based on a block chain and belongs to the field of commodity transaction. The system comprises a block chain commodity transaction subsystem, a seller platform, a buyer platform, a commodity display platform, a third-party real-time communication subsystem, a commodity identification code recognition subsystem, a commodity identification code, an identification code generation subsystem, a commodity traceability information acquisition subsystem, a commodity production process information acquisition subsystem, a commodity logistics information subsystem and a warehouse-in and warehouse-out delivery inspection subsystem.

The invention relates to an anticipated accident selection method for an electric power system with uncertain injection power. The method comprises the following steps: (1) performing static security analysis modeling on the electric power system with uncertain bus injection power; (2) generating anticipated accident set data information; (3) simulating anticipated accidents and determining that an uncertain amount of electric power system state information is contained after the accidents; (4) determining system state interval indexes after the anticipated accidents; (5) comparing corresponding interval indexes of the accident set; (6) sequencing fault indexes and selecting an anticipated event. By adopting the static safety analysis anticipated accident selection method for the system, system running personnel can know the static safety level of the electric power system within a future period of time, and the power grid running reliability and stability are enhanced.

The invention relates to an isolator for a sterility detection process, which is characterized by comprising an air processing system positioned at a top part, wherein a glove operating box assembly is positioned under the air processing system, a sterility deliver bin is arranged on an isolation wall of the glove operating box assembly so as to realize sterile material transfer, the glove operating box assembly can be fixed and supported by a movable bottom frame assembly, and a bag output device which is used for collecting waste gas produced during the sterility detection process is arranged at the bottom of the glove operating box assembly. The invention has the advantages that the inside growth environment is completely isolated from the outside environment, so that risk of artificial pollution is reduced, and simultaneously, the pollution of a product to operators and the outside environment is reduced; and the production clean area is reduced, the operability of the production area is greatly increased, and further, the running cost and the maintenance cost are reduced.

The invention provides an aluminum alloy gear shifting hub casting defect control method and belongs to the technical field of liquid metal forming. The aluminum alloy gear shifting hub casting defectcontrol method comprises the steps of detecting the casting temperature in the actual casting die opening process to obtain a casting temperature field; conducting defect detection on actually cast aluminum alloy gear shifting hub casting products to obtain shrinkage porosity casting defect forming areas in the actual casting process; establishing a casting process finite element simulation analysis model, simulating the gear shifting hub die filling and solidifying process through professional casting simulation software ProCAST, comparing the simulation result with an actual detection result and carrying out necessary correction on parameters; and conducting simulation analysis and optimization on technological parameters such as dies, casting temperatures, die preheating temperatures and casting speeds through the simulation model, and obtaining qualified castings with the aluminum alloy gear shifting hub casting shrinkage porosity casting defects improved effectively through trialcasting. Thus, the purposes of improving gear shifting hub casting defects and improving the casting quality are achieved.

The invention discloses a double-sided sterility test process isolator. The isolator is characterized by comprising a glove bin system and an electrical cabinet system, wherein an air treatment system is arranged at the top of the glove bin system; the glove bin system comprises a bin body; a glove operation component is arranged on the bin body, and comprises operation window sealing glass; and gloves are connected with the operation window sealing glass by virtue of a glove connection component. The sterility test process of sterile medicines can be carried out under a controlled environment all the time by virtue of the sterility test isolator, so that toxic substances inside the sterile medicines cannot hurt operators, pollutants in the external environment are prevented from entering the operation space and polluting to-be-tested products, and the requirement of a production region for the cleanness of a background environment can be reduced. Changes of an arbitrary environment parameter inside the sterility test process isolator can be correspondingly regulated and controlled, so that isolation of the sterility test step after production of sterility medicines can be realized.

The invention discloses a mobile suspected risk crowd classification method based on K-means clusters. The method comprises the steps that mobile data is acquired, and mobile information including IMSI, StartTime, CGI, LocLng, LocLat and the like is reserved; an assigned place is selected, and a list of individual IMSIs passing by the place within a specific time period is obtained according to CGI inquiry; a number of pieces of mobile information within the time period are obtained by inquiring into each individual IMSI, and a group of time sequence points are generated according to the time sequence; time sequence point information is analyzed, and the number of times of passing by the place and longest staying time of the individuals are selected and obtained to serve as classification features; the obtained features are used as K-means feature clusters for dividing a permanent crowd, a passing-by crowd and a back-and-forth staying crowd; the back-and-forth staying crowd, namely the suspected risk crowd is output in the form of the IMSI list.

The invention discloses a fermentation linkage device and a realizing method of fermentation linkage. The fermentation linkage device comprises a main fermentation tank, an auxiliary fermentation tank, a monitoring system and an analysis system, wherein the main fermentation tank is connected with the auxiliary fermentation tank through a pipeline, the main fermentation tank and the auxiliary fermentation tank are respectively connected with the monitoring system, and the analysis system is used for integrally analyzing the data measured by the monitoring system. The fermentation linkage device disclosed by the invention is used for optimizing the fermentation process to shorten the development and research period and reduce the optimization cost.

The invention relates to a triaxial apparatus for synchronously loading a high-frequency cyclic load under a static load. A main body structure of the triaxial apparatus comprises a triaxial apparatusbase, a pressure chamber base and a reaction frame vertical rod arranged on the triaxial apparatus base, a pressure chamber fixed to the pressure chamber base in a sealed mode, a sample placed on thepressure chamber base, a reaction frame adjustably fixed to the upper portion of the pressure chamber through the reaction frame vertical rod, and a loading rod whose upper end and the lower end arefixed to the bottom face of the reaction frame and the top face of the sample respectively. The triaxial apparatus further comprises a static force loading system, a high-frequency cyclic load loadingsystem, a confining pressure loading system, a back pressure loading system, a computer for realizing control loading and an acquisition system for realizing acceleration measurement, deformation measurement and load measurement. Compared with the prior art, the triaxial apparatus has the advantages of realizing synchronous loading of static load and high-frequency cyclic load, being wide in loadfrequency adjustment range, being capable of realizing stepless speed regulation, being stable and reliable in loading mode, being simple to operate and the like.

The invention discloses a malicious site access interception method and detection system based on flow analysis. The method comprises the following steps: S1, constructing a malicious site detection model based on log characteristic information detection in flow data; wherein, the malicious site model performs access interception according to detected malicious site access; S2, collecting the flowmirror data packet at the network outlet in real time, extracting the log characteristic information in the flow mirror data packet to generate a log data unit, and sending the log data unit to the log buffer queue; S3: The malicious site detection model constructed based on S1 analyzes and detects the log data unit in S2, and updates the detected IP address-domain name mapping temporary file tothe IP address-domain name mapping file of the DNS server. The invention realizes the real-time on-line detection of the malicious site and the real-time interception of the detected visit of the malicious site, thereby improving the security of the network system.