75results about How to "Time-sensitive" patented technology

The invention discloses a short-message-based authentication method, a short-message-based authentication system and a short-message-based authentication device, which relate to the technical field of network security. The authentication system comprises a server, a client and a mobile phone. The authentication device which is the server comprises a transmitting and receiving module, a storage module, a counting module, a judgment module, a generation module, an authentication module, a control module and a calculation module. In the short-message authentication method, the server generates an authentication code, records authentication code generation time, and transmits the generated authentication code to the mobile phone of a user in an out-of-band way; the user inputs the authentication code into the client; and the client transmits the authentication code to the server for authentication, so man-in-the-middle attacks can be prevented to a certain extent; moreover, the authentication code generated by the server has timeliness and may become invalid upon expiration.

The invention provides a method for identifying a trip mode based on mobile phone signal data. The method is characterized by comprising the following steps of: establishing a virtual sensor network; then configuring reasonable value ranges of three properties of five trip modes according to prior knowledge, wherein the value ranges are represented by using segmented linear functions and are called as probability mapping functions; acquiring the mobile phone signal data; computing a probability numerical value based on a line by using path matching based on the virtual sensor network; computing probability numerical values based on three properties such as distance, time consumption and speed; and judging which trip mode a mobile phone user belongs to by using the probability numerical values. The method has the advantages that: the conventional communication network resource is fully relied on, a method which realizes flexible structure, easiness of expansion and simple computation is adopted, the mobile phone signal data of a single complete trip process of a traveler are taken as inputs, automatic identification of five conventional trip modes is realized, and trip mode-relatedinformation with high timeliness is further acquired.

The invention belongs to the technical field of smart home and discloses a home intelligent management system. The system comprises an old people home care indoor environment intelligent module, a community socialized service management intelligent module, an old people home care health management intelligent module, and a home care information service digital management platform. The system takesa computer cloud data center of community socialized service of old people home care as the core and old people's homes as service units; old people home care environment utilizes data collection anddata processing technology as system operation modules; the home care system design scheme integrates automatic control technology, security protection technology and audio / video technology, and canprovide better comprehensive services comprising service items of emergency assistance, information inquiry, telemedicine, community service, indoor homemaking service and the like for the old people;and the system has the advantages of wide application range, accuracy, operability and service comprehensiveness and the like, and can meet requirements of home-based care of the old people in an all-weather manner.

The invention relates to a medical diagnostic device, in particular to a Chinese medicinal pulse diagnostic device for simulating the Chinese medicinal doctor pulse feeling. It includes a detect unit, an amplify unit, a process unit and an interface unit. The pulsation voltage signal being output from the detect unit has three sensors contacted with the cun, guan, chi pulse location portions, and be sent to the two stage operational amplifier constituted amplify unit input end, then be sent in order to the interface, the A / D digital-analog conversion of the processing unit, the data acquisition unit, the central processing unit and printer. The Chinese medicinal diagnostic device can be used for the study of all kinds of pulse condition, the forecast of the disease and the monitor of the therapeutic effect and Chinese pharmaceutical effect.

The invention relates to a titanium alloy and the field of forming processes, in particular to titanium alloy with matched high strength and toughness and a preparation process of the titanium alloy. The alloy comprises the following components in percentages by weight: 5.5-6.5% of Al, 1.5-2.5% of Sn, 1.5-2.5% of Zr, 2.5-3.5% of Mo, 0.5-1.5% of Cr, 0.5-1.5% of V, 0.1-0.3% of Fe, 0.1-0.2% of O and the balance of Ti and inevitable impurities. The preparation process of the alloy comprises the following steps: step one, carrying out one-heating-number forging in a beta single-phase region at the temperature of 20-50 DEG C above an alloy phase transformation point, wherein forging deformation is about 40%-80%; step two, forging and forming in an alpha+ beta two-phase region at the temperature of 20-50 DEG C below the alloy phase transformation point, wherein the heating number of forging of the two-phase region is controlled to be 1-3, and the accumulative deformation does not exceed 20%; and step three, carrying out heat treatment in a temperature range of 500-600 DEG C. The titanium alloy can be used for manufacturing various types of products such as rods and wires, plates and forge pieces of high-strength and high-toughness titanium alloy, and is applied to the fields of aviation, aerospace, ships and warships and the like with requirements on structure weight reduction and corrosion resistance.

The invention discloses a highway transportation scheduling method capable of meeting the demands of timeliness and economical efficiency and improving the vehicle scheduling efficiency. The highway transportation scheduling method comprises the steps of: 1) inputting all initial order information and vehicle information to form an initial order set and a vehicle set; 2) merging initial orders in the initial order set to obtain a virtual order, and forming a virtual order set by the residual initial orders after all virtual orders are merged; and 3) selecting a proper vehicle from the vehicle set to transport the virtual order and the initial order in the virtual order set, wherein a strategy that the faster the order is served and the better the effect is, or the least vehicles are utilized can be adopted for vehicle selection. Limited transport vehicle resources are utilized under a plurality of constraint conditions such as limitations of transportation time and distance condition, demands on working time of a driver and the maximal loads of the vehicles; and the vehicles can be reasonably arranged and an optimal path is planned to finish an appointed transportation task within specific time through the optimized scheduling scheme.

The invention discloses an STL model Boolean calculation based method for extracting an inner surface model of a fuel tank in an airplane. An STL file is generated through format conversion of an initial CAD model; the STL file is subject to topological optimization to generate point-line-surface index information and adjacent point-line-surface information; Boolean subtraction operation is performed between an encircled body A formed by the theoretical outline surface of the fuel tank and a real fuel tank model B, the crossed ways of triangular surface patches are classified, and grids are re-divided after crossing; and finally all surface patches of the two models are screened according to a logic relation of Boolean subtraction, reconstruction is performed to form a new model, and the rest surface patches are removed, so that the extraction of the inner surface model is realized. According to the method, the inner surface model is extracted from the complicated CAD model of the fuel tank in the airplane; the method has robustness and timeliness; the calculation complexity is dramatically lowered; and the method greatly runs ahead of similar existing methods.

The invention provides a remote biological feature identity authentication method for strengthening privacy protection. The method comprises a preprocessing stage, a registration stage and an authentication stage, wherein the preprocessing stage comprises the following steps: inputting a safety parameter, generating a user terminal private key and an application-side public-private key pair, obtaining a transform key for each user terminal to prestore at an application-end; the registration stage comprises the following steps: transmitting the public key to the user terminal through the application-side, generating a saving template for the input biological feature in a TrustZone trust computing zone of the user terminal by using the improved random mapping algorithm, and performing encryption protection on the random mapping matrix; the authentication stage comprises the following steps: generating the transform feature for the input biological feature by using the improved random mapping algorithm, and performing the feature matching by the application-side to realize the identity authentication. By using the technical scheme provided by the invention, the privacy protection of the user fingerprint can be strengthened, and the technical scheme has high attack resistance and the universality of the application.

The invention discloses a recommendation method and system for local low rank matrix approximation based on implicit feedback information, and belongs to the technical field of recommendation. The invention starts from the implicit feedback information that is ignored in the user information, uses an implicit feedback information optimization feature extraction model to extract the single-dimensional multi-dimensional preference vectors of a user and an item according to the local low rank matrix approximation principle, and gives a more accurate user rating recommendation manner on the basisof preference information of the user and the item. The recommendation system comprises a data engine module, a multi-dimensional feature extraction module, a score prediction module, a collaborativerecommendation module and an information update module; through the collaborative work of all the modules, the multi-dimensional recessive factors of the user in different environments are extracted,and the accuracy and personalization of the whole system recommendation result is improved; the universality is high; and the method and the system are suitable for most of the existing recommended scenarios.

The invention provides a fault detection method based on an automatic encoder and a Bayesian network, belonging to the field of chemical process fault diagnosis. The off-line phase of the method is toselect variable data from any chemical continuous production process to construct chemical process data set and sample data set. The automatic encoder model is trained with sample data set and the statistic T2 and SPE detection threshold are calculated. Bayesian Networks are constructed with Chemical Process Data Set and the Conditional Probability is estimated; at the present stage, the real-time data are acquired and input into the automatic encoder model to obtain the correspond estimated value, and the corresponding T2 and SPE values of the input data are calculated and compared with thedetection threshold value: if the condition is satisfied, the chemical production process is normal; if not, the contribution of each variable is calculated, and the root cause of the fault is found through the Bayesian network. The invention automatically extracts features from process data of chemical production, effectively applies to a non-linear dynamic chemical process, and realizes the detection and rapid diagnosis of chemical process faults.

The invention provides a method and apparatus for automatically identifying and displaying an external device by a monitoring device. The method comprises: S1, a monitoring device collects a physiological parameter; step 2, when detecting access of an external device, the monitoring device identifies an attribute identifier of the external device automatically and establishes communication with the external device automatically according to the identified attribute identifier; and step 3, after establishment of communication connection with the external device, the monitoring device invokes a corresponding display mode according to the identified external device type and displays real-time parameter information on a monitoring interface. When the external device is connected to the monitoring device, the monitoring device identifies the attribute identifier of the external device automatically and carries out matching of the corresponding method and data output way automatically based on the attribute identifier. Therefore, the parameter monitoring or coordination work can be carried out directly without any manual operation and intervention.

The disclosed real-time data update system comprises: multiple clients every with a monitor unit, memory, display unit, the packet unit with special protocol to receive changed data and report to server, and the analysis unit with same protocol as last unit to receive and analyze packet from server to send to the memory and display; some servers to connect and realize information interactivity for clients. This invention has a little pressure to server.

The invention relates to the control field of air-conditioners, in particular to a method and system for cooperative control of an air-conditioner by means of multi-user voting and the air-conditioner. The method includes the following steps that users set the state of the air-conditioner in a voting mode through an intelligent terminal, and further edit voting items; each user in the same space votes for the voting items through the intelligent terminal, and accordingly voting results are generated; the voting results are counted for generating a statistical result; and the air-conditioner is controlled to operate according to the statistical result. According to the method, system and air-conditioner, the air-conditioner function is voted by the users, and the voting results are counted, and hence the obtained statistical result can meet the requirement of multiple users for comfort; a novel control mode with wide application range is added for the air-conditioner, the using comfort of the air-conditioner by the users is greatly improved in public places such as living rooms, offices, libraries, lecture halls and restaurants, and therefore the using requirement for the air-conditioner by the majority of users is satisfied.

The invention discloses a set top box and a method of playing a frame in a channel switching process of the set top box. The method comprises the steps that the set top box transmits a request of acquiring a playing strategy to a channel frame management server, and receives the playing strategy of the channel frame returned by the channel frame management server; the playing strategy comprises an association between the channel and the channel frame; and after receiving an instruction of switching the channel, the set top box controls a display to play the channel frame associated with the channel to be switched in the channel switching process according to the playing strategy. As the frame played in the channel switching process is associated with the channel to be switched and the channel frame associated with the channel to be switched to in the channel switching process is played, the purpose that more abundant and effective information is transmitted in the channel switching process can be achieved, and information transmitting resources of a television can be fully used.

The invention discloses a scoring method for CPR examination training and examination of a doctor. The method comprises the steps: selecting a free operation training mode and an actual combat operation examination mode by an examinee; obtaining examinee operation action video and audio information through a camera, and uploading the examinee operation action video and audio information to a server; comparing the real-time operation action with a standard operation in a database and outputting a comparison result; displaying the comparison result on a display device, and prompting in a voice or character interaction mode when the action is wrong; sending the received video and audio information to an AI intelligent scoring system by the server and carrying out intelligent scoring; and pushing the total scoring result of the examination to a display for display by the server. According to the invention, the problems of many students needing to be trained and insufficient practice opportunities at present are solved, the quality is improved, the cost is reduced, the unmanned examination needs to be evaluated by teachers, the AI score is added, a score standard is formulated, and theinvigilation evaluation efficiency is greatly improved.

The invention discloses a scientific and technological character knowledge graph construction method and device based on a deep learning model and a terminal, and the method comprises the steps of extracting text data with scientific and technological information, and carrying out the entity recognition and labeling, and obtaining a sample corpus with labels; building a deep learning model to train the sample corpus with the labels, and obtaining an information extraction model; performing science and technology information extraction on the open domain text data based on an information extraction model to obtain a science and technology knowledge triple of the open domain text; performing knowledge fusion and updating; and constructing the science and technology knowledge graph based on the science and technology knowledge triple of the open domain text. According to the invention, the difficulty and time cost of information extraction are greatly reduced, and the difficulty of knowledge graph construction is effectively reduced, so that the knowledge graph with timeliness and accuracy can be constructed for continuously updated and changed scientific and technological information text data.

A system and method are disclosed for training a system or a model using any combination of synthetic data and real data. The various aspects of the invention include generation of data that is used to supplement or augment real data, wherein the subject of the data can be segmented. Labels or attributes are automatically added to generated data. The generated data is synthetic data that is generated using seed or real data as well as from other synthetic data. Using the synthetic data, various domain adaptation models can be used and trained.

The invention provides electricity power warehousing system asset check equipment and a working method thereof. The electricity power warehousing system asset check equipment comprises an RFID electronic label, a warehousing management system, a stocktaking vehicle and a handheld scanner, wherein the stocktaking vehicle comprises a vehicle body and a system integrated box body; the upper portion of the system integrated box body is provided with a display screen module and a wireless signal emitter, and the handheld scanner is arranged on the right end face of the system integrated box body. According to the working method of the electricity power warehousing system asset check equipment, RID label information is adopted to conduct electric power material labeling, data storage and synchronization are conducted through the adoption of dual databases, and thus the working method is safer and more intelligent. A stocktaking data synchronous server conducts processing conversion on different types of scanning data and achieves data synchronization of the databases and the stocktaking equipment, which facilitates proceeding of stocktaking work, lowers the demand for labor, and improves the stocktaking efficiency; meanwhile, by tracing inventory differences, the accuracy is sharply improved, and a good data basis is provided for warehousing management.

The invention relates to an atomic force microscope externally-connected equipment multiple-parameter in-situ measuring system which comprises a signal input-output instrument, a current / voltage source output instrument, an AFM controller, an electronic box, an MAC / ACC controller, a photoelectric signal detector, an electroconductive microcantilever probe, a sample table, a laser signal and a sample. The current / voltage source output instrument is connected on a BNC port of IN / OUT of a current signal of the signal input-output instrument and connected with a computer host, the signal input-output instrument connects the AFM controller with the MAC / ACC controller and connects an aromatic force microscope base electric signal end with the AFM controller, the electronic box connects the MAC / ACC controller with the atomic force microscope base electric signal end, the electroconductive microcantilever probe is connected with the electronic box, and the photoelectric signal detector is arranged on the outer side of the electroconductive microcantilever probe and connected with the electronic box. The system can detect surface potential and electrical properties of a certain micro area under an electrical signal in real time to acquire shape characteristics.

The invention discloses a DTMF remote audio unlocking system. The system utilizes wireless communication transmitted DTMF audio information to carry out remote control of an electronic lock. The system comprises an electronic lock, wherein opening and closing of the electronic lock are controlled by reception and comparison of a DTMF audio cipher and the electronic lock at least comprises a pick-up element for receiving the DTMF audio information, a decoding module, wherein the decoding module is used for deciphering and decoding the audio information received by the pick-up element so that concrete digital code information is obtained, and a mobile phone as a remote control terminal, wherein the remote control terminal at least comprises a cipher sending module for carrying out wireless output or loudspeaking playing on the DTMF audio cipher information. The electronic lock is used in the express delivery industry, realizes express item reception at any time by remote control, has timeliness and improves delivery efficiency.

The invention discloses a multifunctional automatic acquisition and sample preparation system for airborne dust. The multifunctional automatic acquisition and sample preparation system comprises a suction filtration window and a suction filtration device, wherein a filterable membrane band is arranged between the suction filtration window and the suction filtration device and is driven by a conveying device, and the conveying device is controlled by an electric control system; a printer, a thermoplastic membrane packaging device and a filterable membrane sample storage room are arranged in the system, wherein the printer is used for printing marks on the filterable membrane band, the thermoplastic membrane packaging device is used for carrying out plastic packaging on a sampled filterable membrane sample, and the filterable membrane sample storage room is used for storing the plastic-packaged filterable membrane sample; and the system further comprises a gas flowmeter. According to the multifunctional automatic acquisition and sample preparation system, the fixation, acquisition, preparation, marking, sealing and storage of the filterable membrane sample can be automatically carried out, so that the quality in the acquisition and preparation of the sample is improved, the uniqueness and representativeness of the sample and the stability of the physical and chemical properties of the sample are guaranteed, and the requirements on the sample in modern analytical detection are met. The system is provided with devices for being connected and fixed with other analytical equipment, and communication and numerical control interfaces of the devices, so that the effects of the remote automatic acquisition and preparation and real-time detection and analysis of airborne dust samples are realized.

The invention discloses an unmanned examination and intelligent scoring method applied to CPR examination of doctors. The method is characterized by comprising the steps that S1, setting an examination link, examination key points of the examination link and scoring standards corresponding to the examination key points; wherein the assessment link comprises a pre-operation preparation link, an in-operation link and a post-operation judgment link; S2, acquiring operation action video and audio information of an examinee, and uploading the operation action video and audio information to a server; S3, sending the received video and audio information to an AI intelligent scoring system by the server, and performing intelligent scoring on actions and audios of an operator according to scoring standards corresponding to the assessment key points; and S4, pushing the total scoring result of the examination to a display for display by the server. The speech recognition function of artificial intelligence is fused into spoken recognition of CPR simulation training teaching, whether terms of an operator are correct or not can be recognized in real time, the spoken quality can be effectivelyfed back to trainees in real time, and the trainees can quickly correct the defects of themselves.

The invention provides a height detection system and method for a hitting point during badminton serving. The height detection system comprises a video data acquisition module, a data processing module and a data display module, wherein the video data acquisition module comprises a depth sensor and an adapter; and the depth sensor acquires image data of a badminton game video, eliminates static pixels, reserves dynamic pixels, superimposes the dynamic pixels in a frame-by-frame manner, identifies and fits a motion track of a dynamic object in the dynamic pixels, and judges that the dynamic object is a badminton if the motion track is presented as a parabola. A data processing process is relatively fast, a detection result has timeliness, and normal playing of a game is ensured. According to the height detection system and method, the static pixels are eliminated, the calculation amount is greatly reduced, and the operation process is simplified, so that the operation speed is improved.Through the height detection system and method, the height of the hitting point during badminton serving can be accurately detected, so that an objective basis is provided for a judge to judge whether serving is faulty or not.

The invention discloses a risk-based vulnerability threat degree dynamic calculation method which specifically comprises the following steps: S1, directionally collecting vulnerability data in an NVDand CVE vulnerability database by adopting a crawler engine, carrying out timed incremental updating, taking the vulnerability data as a basic vulnerability database, and carrying out dissociation processing by taking a utilization mode and a CVSS score of the basic vulnerability database as classification directions to obtain a dissociated vulnerability database. The invention relates to the technical field of vulnerability risk level evaluation. Compared with a vulnerability rating standard in a general vulnerability scoring system, the risk-based vulnerability threat degree dynamic calculation method has the advantages that the RTS scoring mode judges the threat degree of the vulnerability according to the standard of 0-3000 scores, so that the threat degree of each vulnerability can bejudged more meticulously; The traditional high, medium and low levels are no longer used as the unique measurement standard of the vulnerability hazard degree.

The invention discloses a cluster-based news service method and belongs to the field of Internet application and development. The method comprises: firstly, establishing data receiving and request mechanisms at computing nodes; secondly, establishing direct interaction between any two nodes to allow the nodes to find potential nodes that can be matched with the computing tasks of the nodes and establishing connection between the nodes and the potential nodes; and finally, establishing a dynamic cluster according to a stream network protocol, wherein a news system performs corresponding processing of data in the dynamic cluster according to the needs of news service. The news service method can grasp the change of news timely and accurately for providing various news services such as effective news sequencing and interaction function supply timely and effectively.

The invention provides a real-time workpiece surface detection and cutter life prediction system and method. The method comprises the steps: collecting the image data of a workpiece machined by CNC equipment through an image collection module, transmitting the image data to an edge gateway, and deploying a workpiece surface detection module and a cutter life prediction module through the edge gateway; the workpiece surface detection module is used for carrying out feature extraction and surface detection on collected image data, the tool life prediction module is used for carrying out real-time tool life prediction through image data after feature extraction, a prediction result is transmitted to a cloud end, and related contents are displayed on an operation and maintenance webpage in real time. The current service life state of the cutter is reflected in real time by indirectly utilizing the workpiece precision, the method has higher accuracy and timeliness compared with a method for detecting the working frequency or working time of the cutter, the method is simpler and more visual compared with a method for analyzing by collecting sensor signals of various cutters, product quality inspection can be directly completed, and the product quality inspection efficiency is improved. And inferior-quality products or waste products are picked out in time.

The invention discloses a portable latex paint spray gun, which comprises a trigger, a nozzle, a liquid storage pot, and a gun body. An air interface is connected under the gun body, an air pressure adjustment knob is arranged behind the gun body, and a flow adjustment knob is installed above the air pressure adjustment knob. There is a spray width adjustment knob on the side of the gun body, a liquid storage pot on the top of the gun body, a liquid injection port is connected to the top of the liquid storage pot, a trigger is connected to the bottom of the front end of the gun body, a gun rod is arranged on the front end of the gun body, and a nozzle is connected to the gun rod. The nozzle is housed in the hood. The beneficial effects are: compared with the traditional manual painting, it is more time-sensitive and more beautiful, and the work efficiency is greatly improved compared with manual brushing, and the coating film is fine, smooth and uniform; the spray gun is easy to operate, the atomization effect is good, and it is more Safer and more paint-saving.

The invention discloses a financial encyclopedia application system, and relates to the technical field of data processing. In order to improve the confidentiality and check the data securely; the system specifically comprises a data storage center, a data preprocessing module, a related entity searching and sequencing module, an entity clustering module, an OA system interface unit, an application management module, an application registration unit and an application loading unit; the data storage center comprises a data crawling module, a direct acquisition module and other sharing platformacquisition modules. According to the invention, a foreign advanced experience method is used for reference, guidance is provided for financial businesses, a scientific directory classification systemis set; data retrieval and archiving are facilitated, data uploading is accurate, user information is constructed, various crowd permissions are established and allocated, viewing or editing permissions of all levels are not unified, menus and contents seen by users with different permissions are dynamically adjusted according to permission configuration, secrecy is kept, financial related data is strictly prevented from being leaked, and scientificity, timeliness, secrecy and the like are achieved.

The invention discloses a time domain evidence fusion method based on an adaptive processing strategy, and the method comprises the following steps: firstly, converting information collected by a plurality of sensors into evidence information; secondly, calculating the correlation of the evidence information at each historical moment, and determining the weight factor of the historical evidence information; performing weighted average on the historical evidence information to obtain a predicted value at the current moment, and judging whether distortion occurs at the current moment according to the predicted value and a true value; obtaining the real-time reliability of the evidence at the adjacent moments through a credibility attenuation model, and carrying out the discount of the time domain evidence according to the real-time reliability; and finally, fusing the time domain evidences by using a Dempster combination rule. According to the method, the situation that the evidence at the current moment is likely to be distorted is considered, meanwhile, the distortion situation is researched, the evidence obtained at the current moment is compared with the historically accumulated evidence, the most appropriate processing strategy is selected, and the method has important theoretical significance and application value.

The invention discloses a short-message-based authentication method, a short-message-based authentication system and a short-message-based authentication device, which relate to the technical field of network security. The authentication system comprises a server, a client and a mobile phone. The authentication device which is the server comprises a transmitting and receiving module, a storage module, a counting module, a judgment module, a generation module, an authentication module, a control module and a calculation module. In the short-message authentication method, the server generates an authentication code, records authentication code generation time, and transmits the generated authentication code to the mobile phone of a user in an out-of-band way; the user inputs the authentication code into the client; and the client transmits the authentication code to the server for authentication, so man-in-the-middle attacks can be prevented to a certain extent; moreover, the authentication code generated by the server has timeliness and may become invalid upon expiration.