189results about How to "Guaranteed timeliness" patented technology

The invention discloses a method and a device for adjusting the streaming media bit rate, relating to the field of communication. The invention is invented for solving the problem of poor efficiency in the process of adjusting the streaming media bit rate in the prior art in real time. The method provided by the embodiment of the invention comprises the following steps of: periodically inquiring data amount of a sending buffer area, and switching the bit rate of a video track according to the change of the data amount of the sending buffer area, thereby changing the rate of writing data to the buffer area, enhancing the quality of network transmission, and enhancing the audio and the video experience effect. The invention is suitable for communication systems.

An autonomous fault detection recovery control method during the orbital transfer includes (1) the autonomous fault detection: firstly, setting fault judgment conditions at a star acquisition stage, an inertia attitude adjusting stage, a star directional stage and a rail control directional stage of an autonomous orbital transfer method; introducing judgment conditions during the orbital transfer process; (2) the autonomous recovery control: when a satellite autonomously detects out faults and enters the recovery control, the autonomous control satellite on the star enters a velocity damping stage; when the attitude angular velocity damping of the satellite is successful, the satellite autonomously enters the star acquisition stage; the rail control process is reinstalled, which means that the starting time of every stage during the subsequent orbital transfer process; the satellite transfers into the corresponding working stage to recover the orbital control according to the reinstalled time. The method of the invention improves the reliability of the orbital transfer, ensures the accurate implementation of the orbital control in time and can better ensure the realization of the only window for the orbital control.

The invention relates to an anti-theft method for a mobile terminal. The method comprises the following steps of: acquiring current position information by using the mobile terminal; judging whether the safety level of the mobile terminal changes according to the current position information; when the safety level of the mobile terminal changes, setting the working state of an anti-theft device according to the changed safety level of the mobile terminal; and performing corresponding anti-theft operation according to the working state by using the anti-theft device. The invention also provides a corresponding anti-theft system for the mobile terminal, the mobile terminal and the anti-theft device. An anti-theft working state is adjusted dynamically by detecting the region where the mobile terminal is positioned so that the problem of single anti-theft setting in the prior art is solved. An anti-theft function can be closed in a safety region so as to save energy; and a non-safe region ensures in-time anti-theft alarming.

The invention discloses an identification recognition-based network camera public police calling platform, which comprises a wireless network transmission module, a police caller identity extraction module and an image acquisition module, wherein the image acquisition unit at least comprises a CPU central processor, a wired network interface unit and an image acquisition unit. The platform realizes network transmission police calling and voice police calling. The platform can transmit the information and picture of a police caller to a police reporting center through network transmission and can also realize voice communication by allowing a police caller to call a preset police hotline number through a communication network. During police calling, the police reporting center can receive the information and picture of the police caller to identify the data information of the police caller. Thus, the platform endures calling the police in time and identifies accurate police calling information to prevent calling the police by mistake. In addition, the platform has the advantages of simple structure and low manufacture cost.

The invention relates to the technical field of big data, and relates to a big data-based policy information query pushing system and method. An ES database module collects webpage contents related toscience and technology policies on a website by using a web crawler technology; The policy original database module is used for integrating the data crawled by the web crawler according to the formsof a policy title, a policy source, a policy province and city area, a URL link and release time; The policy collecting and editing module is used for classifying and marking useful policy notification files again; The policy warehousing module is used for selectively warehousing and displaying the compiled policy data; The policy display module is used for carrying out listing display on the input policies; And the policy pushing module is used for immediately pushing policy information to the user. The defect that in the prior art, an existing policy cannot be timely, comprehensively and intensively inquired and pushed is overcome, and the purpose of quickly and effectively inquiring and pushing policy information is achieved.

The invention discloses a method for preventing a network attack performed by using legal data or tampering the legal data. A timestamp, an unrepeated random number and an appointed salt value are added into requested service data, a hash algorithm is performed on the above data to acquire a hash value, and a service terminal uploads both the above data and the service data to a server while accessing a cloud; a cloud signature verification module verifies whether the timestamp and the hash value accord with signature verification, if yes, the access data, and the timestamp, unrepeated randomnumber and salt value, appointed by the cloud and the terminal, uploaded by the service terminal are subjected to the hash algorithm to acquire the hash value, and then the acquired hash value is compared with the hash value uploaded by the service terminal, if the two hash values are consistent, the verification is passed, the subsequent work can be performed, and the hash value uploaded by the service terminal in this time is cached for being compared with the hash value accessed latterly, and if the above two hash values are inconsistent, a service request is rejected. According to the method provided by the invention, the situation that the normal access is affected due to the fact that the server resources are illegally occupied can be avoided, and thus the purpose of protecting network and server resources is achieved.

The invention provides a method for realizing cross-gateway Oracle database synchronization based on CMSP, belonging to the technical field of cross-gateway data synchronization, The method is based on Oracle database and CMSP, including an intranet Oracle database, an outer-net Oracle databse, a first message queue, a second message queue and an network gate, and comprises the following steps: collecting the information of Oracle database in the external network and storing the information in the form of message to the first message queue; A first conversion module is added between the firstmessage queue and the gateway, and a second conversion module is added between the second message queue and the gateway. By utilizing the file exchange function of the gateway, the messages of the first message queue are transmitted to the second message queue through the first conversion module and the second conversion module in an orderly and real-time manner. The intranet Oracle database orderly obtains the collected information of the extranet Oracle database from the second message queue. The method realizes the cross-gateway synchronization of the Oracle database, and ensures the timeliness and efficiency of the Oracle database. The invention also protects a device for realizing cross-gateway Oracle database synchronization based on CMSP.

The invention discloses a method and a system for mining user attributes on the basis of user interactive records, belonging to the data mining field. The method comprises the following steps: the user interactive records from various application terminals are received; data is pretreated and interactive records which are not related to the user attributes are removed; key words are extracted from the user interactive records; the extracted key words are processed and the tendency of the user attributes is calculated. The system comprises a user attribute mining server, the application terminals and a user attribute data receiving end which are connected with each other through a communication network, wherein, the user attribute data receiving end is connected with the user attribute mining server which is also connected with the application terminals through the communication network; the user attribute mining server is used for receiving the interactive records from various application terminals; the application terminals are used for transmitting the interactive records; the user attribute data receiving end is used for receiving user attribute information of a user attribute output unit.

The invention discloses a method and a device for user recognition. The method includes acquiring an uplink message of a current user, wherein the uplink message includes an address identity and an identity of the current user; matching the identity with a preset identity mapping list, if matched, determining the current user to be a target user; if not matched, acquiring a corresponding network access account according to the address identity of the current user; matching the network access account of the current user with a preset network access account mapping list, if matched, determining the current user to be the target user. Compared with the prior art, the method and the device for user recognition have the advantages that by the method, user identification information can be recognized timely and effectively while user login is not needed.

The invention relates to the technical field of cloud computing, in particular to a method for achieving a container supporting file system expansion. The method includes the steps that firstly, a block device is established and mapped to a container node; secondly, the block device is formatted and mounted to a container catalog; finally, a system is injected into the container catalog, and the container is started. The container established with the method can dynamically expand the file system in the following use process, and can also be conveniently migrated; the method can be used for providing a container for isolating running space for an application.

The invention discloses an acquisition system of cathode protection data of a buried pipeline. The acquisition system comprises one or more data acquiring and storing devices, and a data analyzing and early-warning device, wherein the data acquiring and storing devices are in communication connection with the data analyzing and early-warning device through a network; the data acquiring and storing devices acquire the cathode protection data of the buried pipeline; after the acquired cathode protection data of the buried pipeline is processed and stored, the data acquiring and storing devices transmit the cathode protection data of the buried pipeline to the data analyzing and early-warning device; the data analyzing and early-warning device receives the cathode protection data of the buried pipeline, which is transmitted by the data acquiring and storing devices, and performs early-warning analysis; early warning is performed according to the result of the early-warning analysis. The acquisition system disclosed by the invention realizes acquisition and monitoring, and centralized supervision and management of the stray current and the cathode protection data of the buried pipeline, so that the timeliness, the reliability and the authenticity of the stray current and the cathode protection data are guaranteed; besides, corresponding manpower resources are saved, and the operation management level of stray current protection and cathode protection for the pipelines are effectively improved.

The invention relates to a high-performance monitoring method for DNS traffic. In the method, the inlet and outlet traffic of an up-link communication device of a DNS traffic acquisition server is imaged to the DNS traffic acquisition server. The DNS traffic acquisition server carries out real-time snatch, real-time analysis and real-time storage on data packets. Compared with the prior art, the method enables the DNS data analysis to have the advantages of accuracy, timeliness, real time and integrity.

The invention discloses an on-line judgment method for capacity of a backup storage battery. The prior storage battery capacity measuring technology is lagged. The on-line judgment method for the capacity of the backup storage battery comprises the following steps: obtaining a corresponding relationship between the internal resistance and the capacity of the storage battery through actual measurement, setting the internal resistance of the battery obtained according to the capacity of the storage battery from the corresponding relationship as R1, setting the internal resistance of the storagebattery according to the actual measurement as R2, and calculating a reference value R0 of the internal resistance according to the following formula: R0=omega R1 + (1-omega) R2, wherein in the formula, the omega is a weighting coefficient, the measured current internal resistance of the storage battery correspondingly searched from a graph obtained through the actual measurement is Ri, then the percentage of delta R is equal to (Ri-R0)/R0, and the current capacity range of the storage battery can be determined by a corresponding relationship table of the actual measurement according to the numerical value of the percentage of delta R. The method is used for on-line measurement for the capacity of the storage battery.

The invention relates to the field of intelligent traffic control, in particular to a system for recognizing a vehicle running track based on high-definition video images, which is suitable for urban expressways. The vehicle track recognition system comprises a vehicle image acquisition unit, a vehicle image processing unit, a vehicle track recognition unit, a license plate memory database unit, a vehicle track storage unit and a vehicle track database unit. The running tasks of units of the system are definitely allocated, so that the timeliness of system running is ensured; and the system has perfect system running condition monitoring and automatic fault detection and alarming function, is convenient to maintain, has high arithmetic speed, and can fully meet the requirement on vehicle track recognition on the expressways.

The invention provides an overwater emergency rescue device of an unmanned aerial vehicle. The device includes a putting control mechanism, a putting bracket, dehooking devices, life buoys, ropes andan LED searchlight; the putting control mechanism comprises a remote control receiver, a steering engine, a camera and a wireless image sending system; the remote control receiver and the camera are arranged on the putting bracket, the camera is linked with the wireless image sending system, and the remote control receiver is linked with the input end of the steering engine and controls the dehooking devices to be opened through the steering engine to put down the life buoys; the putting bracket is installed on the bottom of the unmanned aerial vehicle and consists of a bracket cross girder and a bracket vertical girder, the dehooking devices are arranged on the bracket cross girder and connected with the life buoys through the ropes, and the life buoys sleeve the bracket vertical girder.By loading the device on the unmanned aerial vehicle, fast arrival to a rescue scene can be achieved, rescue workers can accurately put down the life buoys according to images photographed by the camera, the accuracy of putting the life buoys is high, and timely rescue is achieved.

The present invention discloses realizing stream media switching method. In Cell Multimedia Broadcast (CMB) service, local stream media server receives switching request of starting up local stream media living broadcast from local content management systems, then stopping receiving center living broadcasted global stream media and switching as receiving and retransmitting local living broadcast area stream media; after local stream media server detecting local living broadcast completion, said local stream media server ending local living broadcast service, and switching back receiving and retransmitting global stream media. The present invention also discloses a stream media server, through switching module set in local stream media server to control global/area stream media living broadcast switching and playing. The present invention ensures stream media living broadcast timelinest in CMB service.

The invention discloses a digital certificate revocation method. The method comprises the following steps: obtaining a digital certificate revocation command by a client side; constructing a digital certificate revocation request message according to the digital certificate revocation command; carrying out digital encryption on the digital certificate revocation request message, and setting identity identification for the digital certificate revocation request message after digital encryption; and sending the encrypted digital certificate revocation request message with the identity identification to a certificate server so as to request the certificate server to perform digital certificate revocation. In the digital certificate revocation method, after the digital certificate revocation command input by a user is received, the digital certificate revocation request message is constructed and sent to the certificate server so as to perform digital certificate revocation so that the revocation process is more direct and faster, which ensures timeliness for digital certificate revocation and improves the safety of user information.

The invention discloses a P2P privacy management method in mobile electronic commerce real-time recommendation. A friend circle is built and an agent of the friend circle is selected; common users of the friend circle send incremental data to the agent in a packed mode, and the agent processes the incremental data anonymously and sends the incremental data to a recommendation server; the recommendation server analyzes incremental data packets, and corresponding recommended commodity sets are obtained and fed back to the agent; the agent receives the recommended commodity sets and distributes the recommended commodity sets to corresponding users. In the recommendation process, incremental data of the users are not processed and accordingly high-precision recommendation can be achieved. Meanwhile, anonymity of user data is achieved, so that a recommendation system cannot distinguish whether one certain incremental data packet corresponds to one certain mobile user. Besides, due to mobility of the mobile users, one certain mobile user may not always be in a certain area or forward the data always through one certain terminal, and accordingly private data of the users are well protected.

The invention discloses a mini fire station intelligent dispatching management system. The system comprises a division warning-receiving information distribution platform, a group early-warning processing platform, street office dispatching platforms and mini fire station sites. The mini fire station intelligent dispatching management method comprises the following steps: accessing warning situation information, and distributing the warning situation information to the group early-warning processing platform; according to the received warning situation information, searching the street office dispatching platforms and the mini fire station sites within an warning situation position preset radium, and distributing the warning situation information; dispatching mini fire station personnel on duty in a governed district to an warning situation center rapidly; and dispatching fire-fighting personnel and equipment through dispatching information, and giving a feedback. Accurate positioning for a warning situation, disposal plan, command dispatching, equipment information recording and other operation are visually completed, real-time communication, the command dispatching, on-site feedback and water source feedback can be performed with frontline firemen, timeliness and effectiveness of information are guaranteed, and warning and dangerous situation control efficiency is greatly improved.

The embodiment of the invention provides a link anomaly detection method and device. The link anomaly detection method comprises the steps that flow monitoring data of all service nodes in a service link and link parameter information of the service link are acquired; respectively inputting a characteristic matrix obtained by carrying out characteristic processing on the flow monitoring data of each service node and the link parameter information into a flow prediction model to carry out flow prediction, and obtaining the output prediction flow of each service node at the target time; acquiring real traffic of each service node at the target time, and calculating and generating a corresponding traffic residual error sequence according to the real traffic and the predicted traffic; and carrying out exception screening processing on elements in the traffic residual error sequence by utilizing at least one exception analysis strategy, and determining service nodes corresponding to the elements in a screening result as exceptional nodes.

The invention discloses a method, a device and a system for processing GPS information. The processing method comprises the following steps: a server receives the GPS information of a mobile terminal reported by the mobile terminal according to a preset period; the server receives acquisition request information of the GPS information, which contains acquisition conditions; the server matches up corresponding GPS information according to the acquisition conditions in the received GPS information of the mobile terminal; and the server returns to the matching GPS information. By the method, the GPS information reported by the GPS mobile terminal to the server through GPRS is received, and the GPS information is processed and provided for the GPS mobile terminal for inquiry, thus ensuring the timeliness of the GPS information, sharing information resource, providing the basis for a user of the GPS mobile terminal to make working and traveling schedules, and improving the user's working and traveling efficiency.

The invention provides a heating anti-overload control method and device of an air conditioner and the air conditioner, and relates to the technical field of air conditioners. The method comprises thesteps of: continuously detecting the temperature of an indoor heat exchanger coiler during heating; controlling an operation state of an outer fan according to the temperature of the indoor heat exchanger coiler, a preset first numerical value and a preset second numerical value; judging if a compressor is overloaded for tripping; and correcting the first numerical value when judging that the compressor is overloaded for tripping. The method judges if an air conditioning system is located in a high-load state through detection if the compressor is overloaded, so that a parameter set value oftriggering the outer fan to stop operation is corrected, the start and top protection timeliness and effectiveness of the outer fan are guaranteed, the frequent overload tripping of the compressor isprevented, and the heating anti-overload control of the air conditioner is realized.

The invention provides an electric-dazzling prevention device and an electric-dazzling prevention method of bidirectional zero-clearance conversion current based on self-adaption. The electric-dazzling prevention device comprises a mains power voltage amplitude detection sampling circuit, a 220V power grid voltage current phase sampling circuit, a rectification module, a direct-current voltage reduction module circuit, a singlechip main control unit, a power supply module, a high-frequency transformer output circuit, a driving circuit, a bidirectional triode thyristor zero-clearance conversion current switching main circuit and a load voltage current detection circuit. According to the electric-dazzling prevention device, an alternative-current sampling technique is adopted to sample a power grid sinusoidal voltage amplitude value and a voltage current phase position, negative phase voltage is converted into positive phase voltage, and the amplitude value is correspondingly reduced to be a range that a singlechip main control unit can endure. Due to the adoption of the bidirectional triode thyristor zero-clearance conversion current structure based on self-adaption, the situation of current cutoff is well avoided in a smooth follow current mode, and the switching reliability is improved. As a bypass type structure is adopted to access a relay to the circuit, fault points are reduced, moreover, the service life of a triode thyristor is prolonged.

The invention discloses an interaction data propagation method, server and client sides based on a social network service. The interaction data propagation method comprises the steps that interaction data generated by one client side where a user is located are stored in the server; index information is built for the interaction data; the number of object users paying attention to the user is judged; when the number is smaller than a threshold, the index information is pushed to each client side where the corresponding object user paying attention to the user is located, and is prompted at each client side where the corresponding object user is located; when the number is not smaller than the threshold, each client side where the corresponding object user paying attention to the user is located pulls newly-built index information in a real-time or periodic mode, and the index information is prompted at each client side where the corresponding object user is located.

The invention provides a drowning prevention system, swimming pool, method and teaching method. The drowning prevention system is arranged in the swimming pool and comprises a plurality of first wireless signal transceivers, one or more wearable devices with second wireless signal transceivers, a control terminal and an audio broadcast device. The drowning prevention system, swimming pool, method and teaching method has the beneficial effects that multiple drowning judgment logic is achieved, and accurate drowning information can be provided under a complex environment, so that the timeliness and reliability of rescue are guaranteed; assembly modules can operate in an integrated systematization mode and also can operate and work independently, and it is guaranteed that when any functional module unit loses efficacy, drowning judgment and position tracing of a swimmer are not affected, so that the system is safer and more reliable; and each function module provides the position basis for the controller system, and then the controller system obtains the precise position and the drowning judgment according to logical calculus, so that the phenomena of position drifting and a system drowning judgment error caused by the external environment influence are overcome, and accurate positioning can be realized at any time.

The invention relates to a method and a device for transmitting a radio configuration message from a radio network controller layer in a universal mobile telecommunications system terrestrial radio access network. The method includes: utilizing an RNC (radio network controller) to inquire user signaling business volume; calculating activation time correction delta T according to that a priority level is higher than or equal to required transmission time of signaling of the radio configuration message; utilizing the delta T to correct radio configuration activation time; and transmitting the radio configuration message carrying the corrected radio configuration activation time to user equipment. By the aid of the method and the device, the radio configuration message can be guaranteed to be timely transmitted to the user equipment, and abnormal interaction of a network side and the user equipment due to business congestion of the RRC layer is avoided.

Provided is a mobile payment method. Specific data encryption information is added to a two-dimensional code used in the mobile payment method on the basis of standard coding rules of data matrix (DM) codes, decoding difficulty of the two-dimensional code is reinforced, and safety in payment two-dimensional code verification information is improved. A special multimedia message channel is adopted to perform carrying and issuing of the two-dimensional code verification information, and accordingly reliability of the verification information is effectively guaranteed.

The embodiments of the invention disclose a terminal electromagnetic radiation detection method, apparatus and terminal. The method herein uses a capacitive touch screen which is disposed in a terminal to set a non-shielding region for sensing terminal electromagnetic radiation on the basis of the fact that electromagnetic wave often affects the capacitance of a capacitor; then compares and analyzes capacitor detection values of the capacitive touch screen, and if the capacitor detection value is smaller than a touch operation threshold value, which means the capacitor detection value meets preset conditions for an early warning of terminal electromagnetic radiation, then a corresponding early warning alert operation is executed so as to alert a user to use the terminal properly. According to the embodiments of the invention, by innovating current capacitive touch screens, the method herein can directly detect electromagnetic radiation of the current terminal and the actual electromagnetic radiation of the ambient environment on the current terminal, and can increase the accuracy in detecting terminal radiation; and based on the corresponding relation between the detected capacitance and the safe threshold of preset electromagnetic radiation amount, fast implements early warning operation, obviates the need for complex data calculation, and can ensure in-timeness of radiation early warning.

The invention relates to a prediction-based service function chain fault detection method, and belongs to the technical field of communication. The method comprises the following steps: firstly, according to performance correlation between virtual network functions of a service function chain in a virtual network environment, collecting data in a manner of monitoring performance data of each virtual network function on the whole service function chain, and dividing the working state of the service function chain; secondly, considering high-dimensional complexity and time-related characteristics of network monitoring data, combining with initiative requirements of fault detection, adopting a gating circulation unit network to detect faults, and predicting health conditions of the network byanalyzing historical performance data information of a service function chain; and finally, introducing transfer learning to accelerate the convergence rate of the model by utilizing the similarity of virtual network function nodes among different service function chains. According to the invention, the fault can be effectively detected while the fault detection time requirement is met.

The invention provides an active prevention and control method for highway traffic accident site risk. The method can give an alarm in advance, prevent vehicles from intruding into an accident site, give a more targeted warning method, and greatly reduce the occurrence probability of secondary accidents. According to the technical scheme of the invention, the method comprises the following steps: predicating the risk of a secondary accident in an accident scene based on the traffic flow risk pre-judgment model; calculating to obtain a threshold value corresponding to the traffic flow characteristic element data through historical traffic data of the traffic flow of the road section where the accident scene is located, and training a traffic flow risk pre-judgment model through the threshold value corresponding to the traffic flow characteristic element data; acquiring environment element data and traffic flow characteristic element data of an accident scene, and inputting the data into a trained traffic flow risk pre-judgment model for risk pre-judgment; implementing different early warning measures according to different risk levels, and generating the method on a more targeted warning method. Meanwhile, the invention further discloses an active prevention and control system for the highway traffic accident site risk.