854results about How to "Integrity guaranteed" patented technology

The invention discloses a system and a method for analyzing network user behavior information. The system comprises a network user behavior data obtaining module, a network user behavior data preprocessing module, a network user behavior data storage module, a network user behavior data analyzing module and an analysis result display module, which are connected with each other in sequence; and the method comprises the steps of data collection, data preprocessing, data conversion, data analysis, data displaying and so on. According to the invention, the network user behavior information can be conveniently and rapidly obtained, and integrity, continuity and effectiveness of the user behavior information are guaranteed.

The invention discloses an image acquisition method which includes: after entering into a photographing mode, determining a photographing area in a view-finding interface; acquiring a position area, of a photographed object, in the view-finding interface; and when the position area is located in the photograph area, automatically starting photographing. The invention further provides an image acquisition device. An ideal photographing area is determined first, and then the position area of the photographed object is determined. When the position area is located in the photograph area, photographing is carried out, or else the fact that the photographed object moves is prompted to facilitate adjustment of the position area of the photographed object. Automatic photographing is not triggered until the position area is located in the photograph area, the integrity of photographed images is ensured, and thus the photographing efficiency and the satisfaction degree of a user are promoted.

The invention discloses a method for subdividing and polymerizing geographic grids based on longitude and latitude, comprising the steps of: 1, subdividing space of the earth surface according to a GeoSOT (geographical coordinates subdividing grid with one dimension integral coding on 2<n>-tree ) grid subdivision manner; 2, giving unique codes to GeoSOT grid facets obtained via the subdivision, wherein the codes of the grid facets keep integral dimensions such as degree, minute and second and can adopt four code forms such as a quaternary one-dimensional code form, a binary one-dimensional code form, a binary two-dimensional code form and a decimal two-dimensional code form; and 3, selecting a specific layer in the GeoSOT grids as a basic tuple, aggregating to form any one geographic grid subdivided on the basis of longitude and latitude, and automatically giving globally unique codes to facets of the aggregated grid. The aggregated grid has uniform subdivision basic tuples, so that the integration organization problem of global space information can be solved hopefully.

The invention discloses a method and a system for testing malicious Android application programs, and belongs to the technical field of computer software. The method includes the steps of a. dividing the untested application programs into a plurality of types, matching each button of the untested application program with one or more types of behavior and obtaining an application program button-behavior model, b. collecting application program information when button if a hardware imitator is pressed, recognizing the button corresponding to the current operation, and obtaining the operation behavior of the button according to the application program button-behavior model, c. collecting a bottom application program interface (API) calling sequence of the hardware imitator triggered by the current button and obtaining operation behavior corresponding to the button according to the API sequence, and d. comparing the operation behaviors confirmed by step b and step c, and identifying the untested application program as a malicious program when the operation behaviors are different. The method for testing the malicious Android application programs simplifies complexity of analysis and improves efficiency and accuracy of the analysis test greatly.

The invention provides a method for removing burrs of a straight slot broach. In the method, two times of blasting shot in different angles are carried out on a back cutter surface of a cutter tooth through a shot blasting device; shot material used for a first time of blasting shot is carbonic acid clay glass or plastic sand; shot material used for a second time of blasting shot is aluminum oxide; when blasting shot, the shot blasting is sequentially performed on the back cutter surface of each cutter tooth. Due to different shot blasting angles and different shot materials in two times of blasting shot, the effect of cooperatively removing the burrs can be achieved. The method is capable of effectively removing the burrs on the back cutter surface of the cutter tooth, guaranteeing integrity and sharpness of a cutting edge and improving the durability and the working efficiency of a cutter.

This is a cable stayed steel truss module structure and its construction method. At least two steel trusses are installed to support a high building to be grouted with connecting steel held in between. At least four truss cables are stayed between the building and the steel truss. Beam is installed on the top of the truss with falsework module fixed to the beam.

The invention relates to the technical field of terminal admission control, and particularly discloses a terminal admission control method based on switch port management. The method includes the steps that after a new terminal gets access to a network, the new terminal is collected through a switch, the unique identification of the terminal is extracted, and the terminal is interrelated with a port of the switch; the unique identification is compared with MAC addresses of an admission database and judged; if the unique identification is inquired, the new terminal is a legal terminal, and no action is generated; if the unique identification is not inquired, the new terminal is an illegal terminal or an external terminal, the corresponding port of the switch is closed immediately, and close information is recorded in the admission database; when a new terminal gets access to the network again, the new terminal is joined after window period processing; the previous steps are executed again to start processing; if no new terminal gets access to the network, the closed port of the switch is automatically opened after appointed time. MAC address management is adopted for the terminals, a terminal user is forbidden to change an MAC address without authorization, a virtual machine is managed, HUB access is stopped, and terminal admission control is accurate and strict.

The invention discloses an unmanned aerial vehicle cooperative ground covering system. The unmanned aerial vehicle cooperative ground covering system comprises a hardware system. The hardware system is composed of an unmanned aerial vehicle group, a ground station, a communication module and a GPS reference station. The ground station and the unmanned aerial vehicle group communicate through the communication module and the GPS reference station. The ground station comprises a ground control system. The ground control system is composed of a remote control subsystem, a remote measuring subsystem and a geographical information subsystem. The remote control subsystem is used for instruction collection and instruction uploading. The remote measuring subsystem is used for task distribution, course programming and data receiving. The geographical information subsystem is used for processing download image data, superposing remote measured data and providing basic space data. According to the invention, the ground control system is used for completing the unmanned aerial vehicle cooperative ground covering task, the efficiency, flexibility and reliability of remote sensing and shooting measuring of the unmanned aerial vehicle are substantially enhanced, and the system can further be applied to the fields of disaster emergency surveying and mapping, offshore searching and rescuing, cooperative agricultural machinery working and the like.

The invention discloses a fixed internet access IMS mutual authentification and a key distribution method which solves the problem that a security mechanism standard structure of the fixed internet access IMS does not have a solution. The method comprises the following steps that: a user terminal originates an authentification request to an HSS through a CSCF and provides a user ID; the HSS returns the response of the authentification request to the CSCF and sends both a CK and an IK to a P-CSCF as well as passing a certificate of an XRES to an S-CSCF; the CSCF returns a login response message to a UE; the user terminal authenticates the integrality of the corresponding part of the returned response message through a shared key of Ku sharing with the HSS and realizes the authentification of the IMS on the internet side; after the certification, the use terminal calculates the certificate of an RES and originates the login request to the CSCF again; the CSCF authenticates the certificate of the RES on the user terminal and the certificate of the XRES of the HSS; after the certification, the CSCF sends a message of a successful user authentification to the HSS. The invention realizes the mutual authentification of the IMS network through a basic encryption and integrality protection arithmetic and completes the distribution of the key.

The invention discloses a multi-data source oriented network data collection and presentation method. Based on the research of data collection strategies of six media platforms, such as Sina Weibo, People's Daily, Baidu Encyclopedia, Baidu Tieba, WeChat Public Homepage and Dongfang Wealth Stock Bar, the method adopts Servlet background scheduling technology to integrate the web crawler oriented tomulti-data sources, and solves the data collection problem of different media platforms. In this implementation, Firstly, the manual operation such as simulated login is realized by means of Web application test kit Selenium. Secondly, the Xpath element query technology is used to analyze the source code of the web page, and the data information is extracted and stored in the database. Finally, the crawled data is read out from the database and displayed on the front-end page. Experiments show that the crawler achieves the maximum collection efficiency on the premise of ensuring data integrity.

The invention discloses a power-fail protection method for a solid state disk. The method comprises the following steps of: acquiring effective self-discharge time of an emergency power supply of the solid state disk; and regulating the size of a buffer zone of the solid state disk according to the self-discharge time. Correspondingly, the invention also discloses a power-fail protection device for a solid state disk. Therefore, when the emergency power supply of the solid state disk is failed, the integrity of data can be ensured.

The invention discloses a method, a client side and a system for broadcasting media fragmentations in turn. The method includes the steps of obtaining a continuously-updated index list of a server; obtaining the updated index list and discarding the former index list, recording serial numbers of media fragmentations to be downloaded at preset when the former index list is discarded, and recognizing serial numbers of media fragmentations ranked at first broadcasting positions in the updated index list; adding a serial number missing between every two serial numbers when it is judged that the two serial numbers are not the same or continuous, generating corresponding supplementary broadcast addresses of the media fragmentations according to the added serial numbers and recorded serial numbers, combining the supplementary broadcasting addresses and broadcasting addresses in the updated index list in sequence according to corresponding serial numbers to obtain a current index list, and downloading corresponding media fragmentations from the server sequentially according to the broadcasting addresses in the current index list and broadcasting the media fragmentations. According to the method, lagging media fragmentations not requested by the client side can be automatically supplemented, and therefore broadcasting integrality is guaranteed.

The invention discloses an event extraction method based on maximum entropy. The method comprises the following steps of (1), constructing a trigger word dictionary and an event element role dictionary; (2), as for labeled training corpus, training a model by use of a machine learning method, acquiring a maximum entropy model MT which is used for judging event types and a maximum entropy model MR which is used for extracting event elements from event sentences; (3), filtering corpus needing event extraction according to trigger words, and utilizing sentences which are matched with the set trigger words as candidate events; (4), classifying candidate events by virtue of the maximum entropy model MT and acquiring the event sentences which belong to a set event type; (5), extracting each element word of events from the event sentences which are obtained in the step (4) according to the event element role dictionary and the maximum entropy model MR, thereby finishing event extraction. The event extraction method disclosed by the invention is extensive in use and high in accuracy; by virtue of the event extraction method, the event extraction effect is greatly improved.

The invention provides an elevator monitoring system. The elevator monitoring system comprises a pick-up device and a resolution control module which are in communication connection, wherein the pick-up device is used for shooting an image of a display region of an elevator control device and transmitting corresponding image information to the resolution control module, and the resolution control module is used for judging the current working state of an elevator according to the image information. The elevator monitoring system adopting the technical scheme provided by the invention adopts a non-contact data acquisition way, the pick-up device is mounted in the appropriate position in the vicinity of the elevator control device, the pick-up device is used for shooting the image of the display region of the elevator control device, and the data acquisition way can enable the elevator monitoring system provided by the invention to become another system which is independent of a current elevator system, thereby not only ensuring the integrity of the elevator system, but also ensuring the validity of the extracted information.

The invention discloses a digital value acquisition circuit with fault diagnosis capacity. The digital value acquisition circuit comprises a contact type switch for information to be acquired and a fault judgment system for judging whether an acquisition process is abnormal or not according to output results of the two signal acquisition circuits, wherein the contact type switch is connected with a signal acquisition circuit A and a signal acquisition circuit B. The two acquisition circuits simultaneously execute signal acquisition on the same object; and whether the current sampling circuit has a fault or not is judged according to a result whether the two paths of acquired signals are the same or different is judged, so that a prevention measure can be made in advance, and the aim of improving the self-diagnosis coverage rate is fulfilled. The digital value acquisition circuit can acquire normal signals; and furthermore, hardware is subjected to random failure, the acquisition circuit can intelligently output a corresponding fault state, so that a fault diagnosis effect and a guide security treatment can be achieved, and the completeness of a system security function can be guaranteed.

The invention relates to a method for safely and flexibly upgrading a firmware. The method comprises the following steps of a used triggers to enter an upgrading process, starts an upgrading program named p1; the p1 downloads a firmness head according to a firmness address provided by a user, judges whether the firmness data provided by the user is correct or not, kills all processes but self if the firmness data is correct, and downloads the entire firmness to an internal memory; the p1 sets and stores the synchronous information through p1 after the entire firmness is downloaded, zones an upgrading subprogram, deciphers and uncompresses, and extracts the upgrading subprogram named as p2; the p1 calls p2 to complete the upgrading action, and waits for the completion of the upgrading; the p2 detects whether the firmness is legal or not, stops the upgrading if the firmness is illegal and notifies the p1, and carries out specific upgrading action on equipment if the firmness is legal; the p2 deciphers and uncompresses the zoned data, and then carries out the equipment upgrading; and the p1 is notifies after the p2 completes the decipher and uncompressing, and the equipment is restarted to complete the upgrading. Due to the adoption of the method, the upgrading security is improved, and the completeness of the firmness is guaranteed.

The embodiment of the invention provides a Bluetooth communication method and a Bluetooth communication device, a Bluetooth system and Bluetooth equipment. The method comprises the steps of during a Bluetooth communication process, distributing bandwidth resources into a first bandwidth resource used for communicating with data source equipment and a second bandwidth resource used for communicating with slave equipment; during a process of communicating with the data source equipment, receiving and caching data from the data source equipment; during a process of communicating with the slave equipment, judging a cached data size is less than a first threshold; and when the cached data size is less than the first threshold, using at least one part of the second bandwidth resource to communicate with the data source equipment.

A random number generation method and apparatus using a low-power microprocessor is provided. In the random number generation method, a low-power microprocessor determines whether external power is supplied to a random number generator. The low-power microprocessor updates an internal state of the random number generator based on a first scheme if it is determined that the external power is supplied to the random number generator. The low-power microprocessor updates the internal state of the random number generator based on a second scheme different from the first scheme if it is determined that the external power is not supplied to the random number generator.

The invention provides a storage device and a power-off protection method therefor. The storage device comprises a host interface, a main control chip, an MRAM (Magnetic Random Access Memory) and one or more NAND chips, wherein the MRAM comprises a write cache or a read-write cache and a cache page table. The MRAM further comprises a write-back cache page table used for recording cache pages about to be written back to the NAND chips; if the operation of writing back the cache pages to the NAND chips is finished, a corresponding record of the write-back cache page table is deleted; and if the power is off in the process of writing back the cache pages to the NAND chips, the cache pages are rewritten back to the NAND chips when the power is on. According to the storage device and the power-off protection method provided by the invention, the cache pages about to be written back to the NAND chips are recorded in the MRAM, and if the power is off in the process of writing back the cache pages to the NAND chips, the cache pages are rewritten back to the NAND chips when the power is on, so that the data completeness can be ensured; and blocks about to be erased are further recorded in the MRAM, and if the power is off in the erasure process, the blocks are re-erased when the power is on, so that the data completeness is further ensured. The invention furthermore provides a computing system with a power-off protection function.

The invention discloses an SOA (Service-Oriented Architecture) and WebService based data migration method. The method comprises the steps of establishing a WEB service and realizing a service operation. According to the method, when data migration is carried out, a WEB service of a source database is called, data is extracted one by one from the source database, the data consistency is verified,a source data structure of an interface is filled with the data, then a WEB service operation of a target database is called, the source data structure is converted into a target data structure, and the target data structure is inserted or updated to the target database. The method is suitable for dynamic migration of multi-platform heterogeneous data; and by packaging service logic and isolating the data, in online migration and incremental migration modes, stable, secure and dynamic migration of the heterogeneous data can be ensured, the data migration efficiency can be improved, the data migration cost can be reduced, and the data migration demand of not interrupting services can be met.

The invention discloses a parameter configuration method and an operating and maintenance (O&M) system of a network element device. The system comprises an initial value configuration file, a dynamic configuration processing module and a parameter configuration module. The method comprises the following steps: the initial value of a configuration parameter is preserved in the initial value configuration file and is configured to the network element device when the network element device is started; the corrected configuration parameter and the modified value thereof during the running process of the network element device are preserved in a dynamic configuration file; and when the network element device is restarted, the initial value in the initial value configuration file is configured to the network element device firstly, and then the modified value in the dynamic configuration filed is used for replacing the initial value which corresponds to the configuration parameter and is configured to the network element device. By using the invention, the configuration parameter can be still completely preserved under various conditions of restart, power-failure and software/hardware upgrade of the network element device, the processing time of the network element device in the read/written configuration information is shorter, and the processing efficiency is high, therefore, the great convenience is provided for the running of the entire network.

The invention discloses a federated learning privacy protection method and system based on homomorphic pseudo-random numbers. The method comprises the steps that n clients generate a secret key s through employing a verifiable secret sharing VSS, the secret key s is divided into n parts, and each client obtains a secret share si; at least t clients participate in recovering the key s and send thekey s to a server, wherein n and t are both positive integers, and si represents the secret share of the ith client; each client performs federated learning, and each client locally uses respective data to perform machine learning model training to generate an updated gradient value; each client generates a random number F(si, x) by taking the secret share si as a seed and using a key homomorphicpseudorandom function; the updated gradient value is encrypted by using the random number F(si, x) to obtain an updated gradient value ciphertext, and then the updated gradient value ciphertext is sent to the server; and the clients receive the updated model fed back by the server.

The invention provides a method and a system of classifying similar images. The method comprises the following steps: inputting images to be identified and obtaining shape features, gradient features, color features and texture features of the images to be identified; segmenting a training sample in an image base into a plurality of local area images different in size, and conducting size conversion so as to obtain an image template set which comprises a plurality of image templates; analyzing the image templates in the image template set and obtaining shape features, gradient features, color features and texture features of the image templates; matching and processing corresponding features of the images to be identified and the images in the image template set so as to obtain image detailed information of the images to be identified; obtaining classifications of the images to be identified through image presenting data and by utilization of a bagging classifier. Accurate classification of similar images is realized through extracting and matching the shape features, the gradient features, the color features and the texture features of the input images according to the method.

The invention provides a method and a device for converting the data format of an electronic book and a portable electronic book reader, wherein the method for converting the data format of the electronic book comprises the steps of: acquiring a source file which the portable electronic book reader cannot analyze; converting the source file into a target format file which the portable electronic book reader can analyze; and transmitting the target format file to the portable electronic book reader. The conversion of the source file into the target format file specially comprises the steps of: calling a decoder corresponding to the file format of the source file, decoding the source file into an intermediate file; and coding the intermediate file to the target format file which the portable electronic book reader can analyze. On the basis of not increasing the storage space and the production cost of the portable electronic book reader, the method for converting the data format of the electronic book effectively solves the problem of analyzing complex format files, guarantees that the contents of the complex format files can be displayed completely and the user experience resulting from the portable electronic book reader is strengthened.

The invention discloses a cleaning and drying equipment for chrysanthemum tea, which comprises a cleaning box, a drying cylinder and a heating box. A screen is arranged in the middle of the inner cavity of the cleaning box, and the inner cavity of the cleaning box is divided into a cleaning cavity and a cleaning cavity by the separating screen. Stirring chamber, the bottom wall of the stirring chamber is equipped with a first motor, the motor shaft of the first motor is fixedly connected to the stirring rod, the bottom of the cleaning box is fixedly connected to the drying cylinder, and the right side of the inner cavity of the drying cylinder is equipped with an air distribution plate , the air distribution plate divides the inner chamber of the drying cylinder into a drying chamber and a heating chamber, a rotating shaft is arranged in the drying chamber, and the part of the rotating shaft in the drying chamber is provided with rolling and pushing leaves; the present invention uses a motor It drives the stirring blade to rotate at a high speed, thereby stirring the water flow, forming a vortex in the inner cavity of the cleaning tank, thereby stirring the chrysanthemums in the cleaning chamber, and cleaning the chrysanthemums, thereby removing the sediment and impurities on the chrysanthemums. Cleaning the chrysanthemums can effectively prevent the chrysanthemums from being damaged and ensure the integrity of the chrysanthemums.

The application discloses a goods distribution method and system of a distributor, and a terminal. The distributor terminal receives store order information sent by an order management server so that to-be-distributed cargo information is determined. Distribution equipment information sent by affiliation distribution equipment terminals through a communication network is received. A to-be-selected equipment set is generated according to plan idle transportation capacity information of next time units of affiliation distribution equipment. The to-be-distributed cargo information and the distribution equipment in the to-be-selected equipment set are matched, the distribution equipment generating the maximum matching degree is determined as target distribution equipment, and a to-be-distributed cargo is distributed by using the target distribution equipment. Accuracy when the target distribution equipment is screened can be improved through transportation capacity matching. Distribution is performed by using the target distribution equipment, a plan idle transportation capacity of the next time unit of the target distribution equipment can be used completely or maximumly, and waste of plan idle transportation capacities of the distribution equipment cannot be resulted in, so a logistics resource cannot be wasted, and the logistics resource are used to a maximum extent.

The invention relates to a flange. A cooling slot (4) is mounted on the sealed surface (8) of the flange; at least one cooling hole (9) is mounted on the back side (6) of the flange; the cooling hole (9) penetrates through the flange and communicates with the cooling slot (4). The flange of the invention suits for the corrosion resistance prevention at various metal pipeline joints which contain the corrosive media. The invention also relates to the pipeline which is provided with the flange of the invention and the connection method. The connection method for the pipeline of the invention is capable of avoiding the destruction of the heat input for the corrosion resistance layer inside the pipeline during welding, so that the integrity of the corrosion resistance layer inside the pipeline is ensured and the whole pipeline is guaranteed with good anti-corrosion performance.

The invention discloses a collecting method of performance object data in the telecom network management system, comprising the following steps: whether the collecting detector receives the warehousing message expressing the completeness of particle size from the warehousing module; the collecting module can collect the particle size if the warehousing message is detected. By adopting the supplement collecting thread programming, and saving the supplement particle size, the invention can enable the system to well protect the delay submitting and pre and post station broken chain of the performance data, which ensures the completeness of the performance of the particle size graduation and reduces the workload of the manpower checking the completeness of the performance, thereby improving the reliability.

The invention relates to a construction method for a large-volume concrete structure of a bridge loading platform. Layering pouring is adopted and each layer of concrete is constructed according to the construction method which comprises the following steps: erecting a template; simultaneously pouring the large-volume concrete with high crack resistance and rushing resistance on an edge part and the large-volume concrete with low temperature rise and crack resistance in the interior according to a predesigned slope inclined angle theta, designed thickness t of the large-volume concrete on the edge part and pouring thickness m of the layer; and removing a mould after reaching mould-removing time. According to the construction method provided by the invention, the temperature difference between interior and exterior of the large-volume concrete structure can be controlled within 25 DEG C, without arranging a cooling water pipe in the large-volume concrete structure, such as the bridge loading platform, so as to reduce the risk of temperature cracking. Compared with the process of arranging the cooling water pipe, the construction method provided by the invention is simpler; the incompact plugging caused by later-stage slurry plugging after the cooling water pipe is arranged is avoided; the risk of potential defect of the concrete structure caused by the breaking of the water pipe is reduced; and the washing damage to the concrete structure caused by the water flow carrying sand is resisted.

The invention discloses a historical data migration method and a device. The historical data migration method comprises the steps as follows: a cloud computing platform server receives a call interface request sent by a historical data migration tool, wherein the historical data migration tool sends the call interface request to the cloud computing platform server after reading the historical data list of a first application system, and the first application system is connected with the cloud computing platform server; and the cloud computing platform server stores the historical data corresponding to the historical data list of the first application system therein through an interface corresponding to the call interface request. By using the historical data migration method and device provided in the invention, the migration of historical unstructured data can be carried out completely, safety and quickly.