4871results about How to "Improve good performance" patented technology

A method of generating graphical models for providing security analysis in computer networks that in one embodiment includes the steps of generating a type abstract graph independent of particular networks that models abstract dependency relationships among attributes and exploits; generating network-specific attack graphs by combining the type abstract graph with specific network information; monitoring an intruder alert; and generating a real-time attack graph by correlating the intruder alert with the network-specific attack graph. The real-time attack graph can be generated using reachability checking, bridging, and exploit prediction based on consequence alerts and may further include the step of calculating the likelihood of queries using a Bayesian network model. The method may also include the steps of inferring unobserved attacks that may have been missed by intrusion detection sensors, and projecting on which hosts and using what exploits additional intruder attacks may occur. The method may further include the step of comparing alternate actions by computation, wherein the alternate actions include the step of patching some vulnerabilities, and wherein the specific network information includes network topology. The specific network information may also include firewall rules.

A semiconductor device is fabricated by implanting into a semiconductor substrate non-doping ions at a tilt angle of at least about 10° to laterally extend preamorphization of the substrate portion and then implanting into the substrate dopants for providing source/drain extensions or halo doping or both.

An integrated imager circuit comprising a monolithic array of single photon avalanche diodes (SPADs) for capturing an image of a scene when said scene is hit by an optical pulse, said array comprising: a plurality of SPADs connected to 2D readout circuits determines the intensity of the light reflected by said scene by counting the number of photons received by said SPADs during a period of time, a plurality of SPADs connected to 3D readout circuits determines the distance to said scene by determining the elapsed time between the emission of each pulse and reception of the corresponding reflected photons.

The invention discloses a design method for a distributed hydrological model by using a grid as an analog unit, which is called as ESSI for short. The design method comprises the following steps of: obtainment of a distributed parameter: converting vector data into grid data; generalization of a watershed hydrological process: establishing a universal runoff generating type for the grid; design of a runoff generating process: respectively computing the water-quantity distributing condition of each part according to different prior-period soil water conditions; design of a flow collecting process: respectively designing a Muskingum-Cunge method, a delay algorithm and a riverway segmentation Muskingum method for the flow collecting process computation of the model under different conditions; and model development and integration. The invention not only can finish the watershed hydrological process simulation at an arid region and a humid region, but also can realize the short-term flood forecast and the long-term rainfall-runoff process simulation and prediction of a watershed by using modularization and integration ideas as means, thereby providing scientific reference bases for deeply learning about the physical mechanism of water circulation by people, reducing the drought and water-logging disasters and reasonably developing and utilizing water resources.

The invention discloses an individualized recommendation method based network behaviors. The method includes the following steps: (A). Generate the corresponding network behavior log of the user according to the search request sent by the users to the server and the report on the completion of document download, and record the keyword searched by users and downloaded document; (B). Analyze and clean up network behavior log, and modify system knowledge database and user matching database; (C). Find out users with the same interest from the modified user matching database and introduce them to users, and take the documents that users are interested in as the recommended document resource for users. The invention also discloses an individualized recommendation system based on network behaviors, which consists of network behavior log generating module, log analysis handling module, recommendation generating module, knowledge database, and user matching database. The invention has the advantages of high operating efficiency, strong usability of results, easy maintenance and expansion of the system, and capability to trigger users' interest.

An automated and scalable system for total real-time redundancy of a plurality of client-server systems, wherein, data is replicated through a network connection and operationally located on a virtual machine that substitutes for a failed client-server system, wherein the virtual machine is activated and installed on the cloud computing environment. Monitoring applications are installed on both the client-server systems and the cloud computing environment. System components are identified, a network connection is initiated, a heartbeat is established, data replication is automated, system failure is detected, failover is initiated, and subsequent client-server restoration is automated.

The invention discloses a battery management system with balanced charge and discharge functions and a control method thereof, relating to a battery management system of a dynamic battery pack. The battery management system is structurally characterized in that a central processing unit (CPU) control unit is connected with a battery and relay set so as to detect the working condition of the battery and relay set; the CPU control unit and a balanced discharge module are successively connected with the battery and relay set so as to control the balanced discharge of the battery and the relay set; the CPU control unit, a balanced charge module and the battery and the relay set are successively connected so as to control the balanced charge of the battery and relay set; and a super-capacitor is connected with the balanced discharge module so as to store the discharge energy of the battery and relay set for supplying power for the battery management system. The battery management system can be widely applied to management of various battery packs such as a lead-acid battery, a lithium battery, a nickel-metal hydride battery and the like, supports the expansion of a lower computer, and can conveniently detect and monitor the conditions of multiple batteries.

The invention relates to a multi-platform target tracking and distributed interactive simulation system in the technical field of simulation. The system comprises a target generation module, an aerial sensing platform, an emergency processing platform, a ground control center platform and an HLA distributed interactive simulation module, wherein, the target generation module generates a system tracking object at random; the aerial sensing platform comprises various detecting devices for performing fusion to the detected information and then transmitting the information to the ground control center platform; the ground control center platform integrates all the field information, evaluates the entire field situation and promptly makes an emergency decision; the emergency processing platform receives the information and the commands and realizes target tracking by using airborne equipment; and the HLA distributed interactive simulation module enables the modules to establish an HLA distributed system structure through a distributed network and realizes the multi-information network interconnection. The invention has the advantages of flexibility and extendability, can improve the tracking effect, enhance the visibility of scene demonstration and be widely applied to the fields such as public safety, disaster relief assistance and the like.

The invention relates to an irradiation crosslinking halogen-free high flame-retardant cable material and a preparation method thereof. The cable materials comprise the following compositions: 45-90 parts of basic resin, 10-55 parts of functional polyolefine resin, 45-125 parts of carbonate hydroxide flame retardant, 30-50 parts of charing agent, 30-50 parts of flame-retardant lubricant, 0.3-3 parts of methyl silicone rubber shell forming agent, 0.5-2 parts of silane surface modifier, 2-5 parts of crosslinking sensitizing agent, 0.2-2 parts of antioxidant, 1-4 parts of lubricant and 0.1-1.0 parts of initiator. The preparation method of the cable material comprises the following steps of: stirring the carbonate hydroxide flame retardant, the charing agent and the flame-retardant lubricant at a high speed for 2 min; and then adding the shell forming agent and continuously stirring at a high speed until the temperature rises to above 100 DEG C, coating the surface of the mixture with the shell forming agent; adding silane coupling agent and stirring for 5-8 min, and carrying out secondary surface treatment; adding initiator-alcohol solution, and discharging after mixing; extruding and pelletizing; finally drying and cooling to obtain the finished cable material product. The flame retardant performance of the product is obviously enhanced, and the product has good shell forming performance in conbustion without droplets.

The invention discloses a security cloud storage system based on increment synchronization. A three-tier architecture of client-intermediate server-private cloud terminal is adopted, and data security is guaranteed by multiple security protection technology. After being blocked and encrypted, a user file is transmitted to a cloud terminal through an SSL (security socket layer) security transmission protocol; after finishing the work of user management and key management, the intermediate server terminal adopts a mutual authentication mechanism and an access control mechanism to realize the safe data share so as to completely prevent original data from leaking from the server terminal; the binding of the file and a mobile device is realized at a client, the specific file can be only opened on a specific device, and even though the file is leaked by an insider, a leaking device can be traced; moreover, the unique increment synchronization technology is realized, and the file can be synchronized by only synchronizing modified file blocks, so that the flow consumption in the file transmission process is reduced, the transmission efficiency is improved, the system usability is enhanced, and user experience is promoted.

The invention pertains to an intelligent home control technical field, a telephone and ZigBee technology based intelligent home control system, which consists of home control center and several ZigBee technology based wireless communication control modules. The home control center and each control modules are connected with one ZigBee wireless communication module, through these wireless communication modules, the data or commands may be transferred between the control center and control module. The home control center is connected with the telephone network, realize the control of the whole system through the home phone or remote phone. Moreover, through wireless branch phones or mobile phone, the user may control all home equipment at any places. Compared with the communication means such as available bluetooth, and infrared ray etc., it is low cost, low power consumption, large coverage etc, especially comply with the IEEE802.15.4 protocol, if interconnect with other relevant products, the system may have an excellent versatility and expansibility.

This invention is about a method to make magnetic random access memory with small footprint directly on CMOS VIA with a self-aligned etching process. The process schemes of the method proceeds as: (1) Etch MTJ and BE using one or more of RIE and/or IBE processes with Ta as hard mask; (2) Etch BE using one or more of RIE and/or IBE processes with Ta & sidewall protection layer on MTJ as hard mask; and (3) Etch a part of MTJ and BE using one or more of RIE and/or IBE processes with Ta & sidewall protection layer on top portion of MTJ as hard mask. All the three schemes lead the BE to be self-aligned to MTJ cells, the photo overlay margin is not necessary and circuits could be made extremely small with lower manufacturing cost; The invention also provides schemes to prevent the electrical shorting across the tunnel barrier layer. Through trimming and sidewall protection deposition process, device performance and electrical/magnetic properties could be greatly improved.

The present invention relates to an architecture for stack robust fine granularity scalability (SRFGS), more particularly, SRFGS providing simultaneously temporal scalability and SNR scalability. SRFGS first simplifies the RFGS temporal prediction architecture and then generalizes the prediction concept as the following: the quantization error of the previous layer can be inter-predicted by the reconstructed image in the previous time instance of the same layer. With this concept, the RFGS architecture can be extended to multiple layers that forming a stack to improve the temporal prediction efficiency. SRFGS can be optimized at several operating points to fit the requirements of various applications while the fine granularity and error robustness of RFGS are still remained. The experiment results show that SRFGS can improve the performance of RFGS by 0.4 to 3.0 dB in PSNR.

The invention discloses a method for quickly identifying and distinguishing the variety of corn, which belongs to the technical field of the detection of agricultural products. The method identifies the variety of the corn by an image processing technology quickly. Seed image information is obtained by a scanner, corn seeds are identified by a corn variety identification system on a computer, original image information is read, the image information of each pixel in each corn is stored as a 24-bit bmp format file, and the variety of the corn is distinguished by a trained neural network classifier after image processing and feature extraction are completed. The variety distinguishing rate of the model to an unknown sample is greater than 90%, which shows that a condition that the variety of the corn seeds is distinguished by image feature information is feasible. The invention has the characteristics of high automatization degree and quick, simple and convenient operation.

The invention discloses an unmanned path planning method, a system and a device thereof. The method comprises the following steps: acquiring environment perception information and vehicle positioningand navigation information, wherein the environment perception information contains barrier information, curb information and lane line information, and the vehicle positioning and navigation information contains vehicle pose and a target path; conducting subpath generation according to the environment perception information and the vehicle positioning and navigation information to obtain a candidate subpath which satisfies vehicle constraints; conducting collision detection on the candidate subpath which satisfies vehicle constraints, so as to obtain a collisionless candidate subpath; conducting subpath search on the collisionless candidate subpath by A* search algorithm; and obtaining a vehicle local path according to the subpath search result. The requirement on storage space is low, and the requirement on nonholonomic constraints of vehicles can be met. The method of the invention has advantages of good adaptability and good extensibility, and can be widely applied in the field ofautomatic drive.

The invention discloses an internet information product recommending method based on matrix decomposition. The method comprises the following steps of: 1) obtaining the user scoring record to the information product; 2) obtaining the social relationship record between internet users; 3) respectively building a scoring matrix and a social matrix according to the types of a target user and a target product; 4) learning a user feature vector and a product feature vector through a matrix decomposition technology; 5) calculating the scores of different products scored by the target user according to the feature vectors, so as to recommending the favorite products of the user according to the scores. In the method, analysis on user social relationship is introduced, and personalized product recommendation is provided for the target user based on the production type information. The calculation is simple and quick, and the method has better expandability and adaptability, so that the method is suitable for highly dynamic and immense amount of product-oriented recommendation for the internet users.

A building management system and method are disclosed. The building management system includes: a central control system connected with a network and centrally controlling at least one sub-system accommodated in a building; a multi-air-conditioner system including an outdoor unit and one or more indoor units connected with the outdoor unit; a BACnet gateway serving as a connection passage of the central control system and the multi-air-conditioner system to allow the central control system to centrally control the multi-air-conditioner system; and a remote integrated management server that controls the multi-air-conditioner system by interworking with the BACnet gateway. Because detailed information can be managed through the remote integrated management server, that an existing building management system fails to do, the user convenience can be improved.

The invention provides a multi-root I/O (Input/Output) virtualization sharing method and system. The multi-root I/O virtualization sharing system comprises a root node subsystem, an I/O equipment subsystem and a multi-root I/O virtualization sharing controller, wherein the root node subsystem comprises N root nodes; each root node consists of a root complex, a CPU (Central Processing Unit) and an internal memory; the CPU and the internal memory are connected with the root complex; the I/O equipment subsystem comprises M I/O equipment; each I/O equipment can provide services for a plurality of virtual machines simultaneously; the multi-root I/O virtualization sharing controller consists of PCIe (Peripheral Component Interface Express) upstream ports, a PCIe multi-root switchover and PCIe downstream ports; and the multi-root I/O virtualization sharing controller is used for coupling the root node subsystem with the I/O equipment subsystem through a PCIe port protocol, so that I/O equipment resources are directly shared by a plurality of root nodes.

The invention provides a protocol conversion method and device. The protocol conversion device at least comprises a first communication interface and a second communication interface. The protocol conversion method comprises the following steps: binding corresponding protocol types for the communication interfaces, and selecting corresponding decoding and encoding rules from a preset rule base; receiving source communication protocol data from a first communication interface, judging the protocol type of the source communication protocol data, and decoding the source communication protocol data to generate decoded data; and encoding the decoded data to generate target communication data, and sending out the target communication data through a second communication interface. The method and the device in the invention have the advantages that the types of source communication protocols and target communication protocols are unrestricted, thus realizing data conversion for a plurality of the existing standard protocols and manufacturer custom protocols, and solving the problems such as single product function and worse reusability as a result that only specific protocols can be converted in the prior art.