7096results about How to "Improve acceleration performance" patented technology

An Internet business transaction processor of the present invention has a distributed processing architecture which allows the processing load to be distributed among multiple parallel servers. The transaction processor of the present invention provides a virtual store front utilizing “others people's warehouse” approach by using a dynamic distributor selection processing system to select among a plurality of distributors based on flexible rule-based algorithm. Furthermore, a multi-level fraud check processing system allows orders to be processes that would otherwise be discarded to generate a higher yield in sales.

The invention relates to a method for evaluating the security situation of a network and a system thereof. The system has a two-surface three-level framework and is provided with a public service surface and a service management surface for executing uniform coordinated management on each functional module of the system; according to a service logic processing flow, the system is divided into three levels: an acquisition level, an analysis level and an exhibition level for completing four evaluating operations of assets, frangibility, threat and security situation; the invention is based on the characteristic of service operation in the network, combines the prior risk evaluation method, the prior flow and the prior security detection tool and provides a set of a novel dynamic real-time evaluation method. The system can analyze the assets and service of the network and the risk of the whole network and carries out the evaluation of the security situation. The system can provide the security state of the whole network in macroscopy, can deepen to specific service and assets and know the specific security problem, thereby effectively helping network security personnel to analyze the root of the security problem and assisting to provide a security solution proposal and implement a defense measure.

A novel and useful apparatus for and method of Gaussian Minimum Shift Keying (GMSK) single antenna interference cancellation (SAIC) for use in a digital receiver. The invention comprises an interference mitigation module that treats the problem of GMSK SAIC in a blind manner. The interference mitigation mechanism is operative to compensate for the co-channel interference added in the communications channel which is subject to multipath propagation and fading, receiver filter and any pre-channel estimation filtering. The interference mitigation module takes advantage of the spatial diversity making up multiple branches of the received signal. The branches comprise the in-phase and quadrature elements of the received signal, the sampling phases if over sampling is applied (i.e. T / m sampling) and / or multiple antennas. The invention utilizes the spatial diversity of these multiple representations of the received signal and combines (i.e. collapses) the information in the plurality of branches into a single branch that is input to the equalizer.

A method and associated apparatus is provided for improving the performance of a high speed memory bus using switches. Bus reflections caused by electrical stubs are substantially eliminated by connecting system components in a substantially stubless configuration using a segmented bus wherein bus segments are connected through switches. The switches disconnect unused bus segments during operations so that communicating devices are connected in an substantially point-to-point communication path.

A distributed lock management method based on a storage area network SAN belongs to the network storage field. The distributed lock management method is characterized in that all node servers of a cluster form multiple master-slave mode sub-clusters, namely, Quorum; one node in the sub-clusters is used as the master server and the other nodes are slave servers; the multiple sub-clusters include one State Quorum and a plurality of Lock Quorums, which are respectively in charge of the management of the birth-death state of the system nodes and the management of a read-write visit lock in a name space; the State Quorum is formed by all the nodes and the Lock Quorum is formed by nodes of arbitrary number, the sizes and the structures of the State Quorum and the Lock Quorum can be flexibly configured by the client; both the State Quorum and the Lock Quorum follow the sub-cluster detection protocol, and all the nodes can select the only master server in the Quorum through the protocol to configure a normal Quorum; all the Lock Quorums respectively manages the different sections of the name space, are not overlapped and are respectively vested with different weights according to different service capacities; all the Lock Quorums independently count the load conditions, therefore when the lock management task charged by one Lock Quorum is too heavy, the load balancing process is triggered to distribute part task of the Lock Quorum to the other Lock Quorums. The invention is easy for flexible configuration and has good properties, high extensibility and high reliability.

Extensible nonwoven fabrics having improved elongation, extensibility, abrasion resistance and toughness. In particular, embodiments of the invention are directed to extensible spunbond fabrics comprising a polymeric blend of a metallocene catalyzed polypropylene, polyethylene, and a third polymer component.

The invention discloses a pump potential cavitation fault detecting method based on quick spectrum kurtosis analysis. The pump potential cavitation fault detecting method comprises the steps that 1, vibration acceleration signals are collected to be subject to noise reduction to serve as to-be-processed signals; 2, according to the data size of the signals, the resolving order of signal processingis determined; 3, according to the quick spectrum kurtosis algorithm computation result, the optimal carrier frequency and bandwidth are selected; 4, the selected signals within the carrier frequencyand bandwidth are subject to Fourier transformation, and a frequency spectrum envelope diagram is obtained; and 5, an original signal time domain figure, a signal time domain figure treated through quick spectrum kurtosis filtering processing and the frequency spectrum envelope diagram obtained after selected zone Fourier transformation are compared, and cavitation trouble signal time and frequency characteristics are analyzed. By means of the method, more cavitation instant signals can be detected, information in the aspects of time domain and frequency domain is seen more clearly, and the normal state and the cavitation state of a pump can be distinguished obviously.

The present invention provides nonwoven webs comprising multicomponent fibers that enable the nonwoven web to possess high extensibility. The multicomponent fibers will comprise a first component comprising a polypropylene composition having a melt flow rate of from about 100 to about 2000 grams per 10 minutes and a second component comprising a polymer composition having a melt flow rate lower than the melt flow rate of the first component. The first component comprises at least about 10% of a surface of the multicomponent fiber.

The invention relates to a method for allocating mass storage resources according to needs in a heterogeneous SAN (Storage Area Network) environment, belonging to the field of storage area networks, in particular to the technical field of storage virtualization therein. The invention is characterized by designing and realizing an out-of-band storage virtualization system aiming at a heterogeneousstorage application server and various storage devices in the SAN environment and providing a method for allocating the mass storage resources according to needs based on allocation while writing anddynamic address mapping mechanism on the basis of the system. The method can be used for allocating the storage resources according to the actual needs of applications, dynamically expanding the mapping relation between the logic storage space and the physical storage space, effectively increasing the utilization rate of the storage resources and the expandability of storage capacity, reducing the maintenance cost of the storage devices and realizing instant storage purchase.

A vehicle control device includes a sensor controller which uses the network connection to obtain sensor signals that represent the state quantity of a vehicle and the manipulated variable of a driver, a command controller which generates the control target value according to the sensor signals which are obtained by the sensor controller and an actuator controller which receives the control target value from the command controller to actuate the actuator for controlling the vehicle. The actuator controller is equipped with a control target value generation device which generates the control target value according to the sensor value of the sensor controller that is received by the actuator controller on the internet when the control target value generating from the command controller is abnormal. The actuator is controller through the control target value which is generated from the control target value generation device. The vehicle control device does not improve the prolixity degree of every controller above the required level. Through preventing errors in the whole system, the device can guarantee the reliability, the real-time character and the expansibility with simple ECU composition and low cost.

The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first and second differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, and four or five selectable torque-transfer devices. The selectable torque transfer devices are engaged singly or in combinations of two to yield an EVT with a continuously variable range of speeds (including reverse) and four mechanically fixed forward speed ratios. The torque transfer devices and the first and second motor / generators are operable to provide five operating modes in the electrically variable transmission, including battery reverse mode, EVT reverse mode, reverse and forward launch modes, continuously variable transmission range mode, and fixed ratio mode.

The invention discloses a knowledge graph-based enterprise risk prediction method and system. The method comprises the steps of 1) constructing entities of an enterprise knowledge graph, establishingrelationships between the entities, and extracting knowledge from set data sources to form the enterprise knowledge graph; 2) capturing news information of enterprises and related entities, processingthe captured news information based on the enterprise knowledge graph, marking relationships between the related entities and events, and storing marked information in a structured knowledge base toform an enterprise news information knowledge graph; and 3) performing enterprise risk prediction based on the enterprise knowledge graph and the enterprise news information knowledge graph. The blankof an existing knowledge graph in the field of enterprise risk analysis is filled; and the constructed enterprise knowledge graph and enterprise news information knowledge graph have relatively highpracticality.

The invention discloses a software development method for performing model driven architecture and the system thereof, belonging to the field of computer software. The method comprising the following steps: abstracting a business flow process into node elements, customizing a node business flow description file from control flow, core business flow and page flow three levels, customizing a data model file, and inputting the business flow file and the data model file into a parser to generate target frame codes. The invention also provides an attribute file of business flow graphical layout for WYSIWYG customizing the attribute information of the node elements; the system consists of a microkernel, a plug-in, a tools integration, an application server integration and a knowledge library. The invention can quickly respond to business requirement change and technical change, support highly modularized and highly integrated software system, has wide application and provides a solid foundation for further development of computer software technology.

A method of a city-level data sharing exchanging platform technology is characterized by comprising a pre-positioned subsystem, a central exchange subsystem, a resource base and a shared information base. The method solves the technical problems that electronic governmental information resources can not be co-built or shared, and information can not reach a consensus, so that the invention provides the method of the city-level data sharing and exchanging technology.

An OLAP query processing method oriented to a database and Hadoop hybrid platform is described. When OLAP query processing is performed, the processing is executed first on a main working copy, and a query processing result is recorded in an aggregate result table of a local database; when a working node is faulty, node information of a fault-tolerant copy corresponding to the main working copy is searched for through namenode, and a MapReduce task is invoked to complete the OLAP query processing task on the fault-tolerant copy. The database technology and the Hadoop technology are combined, and the storage performance of the database and the high expandability and high availability of the Hadoop are combined; the database query processing and the MapReduce query processing are integrated in a loosely-coupled mode, thereby ensuring the high query processing performance, and ensuring the high fault-tolerance performance.

This invention relates to a remote video monitor system and a method based on the SIP protocol, in which, said SIP applied system is composed of a communication network, a front monitor device, a monitor center and a remote monitor customer end and an operation support platform and the communication network includes: IP network, PSTN network, ISDN and a mobile communication network,which takes the open SIP protocol as the core signaling protocol to realize the functions of system registration, setting up monitor session, transmitting monitor information and removing the monitor session and expand information body in the SIP short message to realize system session parameter negotiations, SIP short message transmission, adjustment of monitor parameters, managing and controlling front end monitor device, collecting charge information and expanding device kinds or increasing new control functions to meet the needs of open expansion applied needs and realize large scale applications by the current networks.

Interpolymer resin particles comprised of 20% to 80% by weight polyolefin, e.g. polyethylene and 80% to 20% by weight of an in situ polymerized vinyl aromatic resin, e.g. polystyrene or poly(styrene-butyl acrylate) and forming an interpenetrating network of polyolefin and vinyl aromatic resin particles. The interpolymer particles are impregnated with a volatile hydrocarbon blowing agent, and limonene, e.g. d-limonene, ranging from about 0.1 to about 5 parts, preferably 0.1 to 1 part by weight, based on 100 parts by weight of the interpolymer particles, for improved expandability and a pleasant fragrance.

The invention provides an interface generating method and a platform based on the description of an XML document; the method comprises the following steps: an interface generating engine searches a composed interface request mapping file; a memory address of a description document of styles is obtained and the description document of styles is searched; a style document analytic module is called so as to generate a corresponding style model tree; the interface layout is set according to the attribute of root nodes of the style model tree and is traversed in a mode of depth-first; a reflection mechanism and a script mode are adopted to generate an executing code of the event of a sound monitor of an interface control corresponding to leaf nodes of the model tree, thus generating the interface control and forming the final interface; by adopting the style model cache interface style description document, the times of document reading of the interface generating engine are reduced and the executing efficiency of the interface generating engine is improved; the interface features in the specific application background are analyzed, and a module document which reflects the requirement of the common interface is composed in advance; by introducing the module document, the reusability of the existing work is improved and the workload of a secondary development period is reduced.

The invention discloses a flight simulation system with high instantaneity, which is composed of two parts of a three-axis flight simulation turntable system and an external control computer system, wherein, the position and connection relation of the three-axis flight simulation turntable system and the external control computer system is as follows: the three-axis flight simulation turntable system is an actuating mechanism of a physical effect; and the external control computer system is a command sender of the physical effect; the external control computer system transmits the stimulated gesture result to the three-axis flight simulation turntable system through a reflected optical network; and the three-axis flight simulation turntable system carries out real-time gesture response. The five advantages of the flight simulation system of the invention are as follows: Matlab / Simulink is utilized to establish a stimulation model; a CPCI bus type is adopted in computer hardware, a fiber switch is utilized to build a reflection memory optical network; an interrupt response mechanism is adopted in the communication of the stimulation and the turntable system through the optical network, and AppSim stimulation software is used. The flight simulation system has practical value and wide application prospect in the technical fields of flight control and simulation.

An improved optical fiber comprising a waveguide with an input for coupling focused laser energy into the waveguide and communicating electromagnetic radiation in a propagation direction to an internally reflective tip of the waveguide, a tissue contacting surface wherein the light path from the reflecting surface to the transmitting surface in substantially homogenous in refractive index and cooled by fluid flow. In minimizing the variations in refractive index within the lateral light path, while providing active cooling directly below the tissue contact surface, the invention prevents internal reflections and beam distortion and greatly improves the efficiency and durability of the laterally directing probe. Free rotation of the tissue contact surface, about the lateral tip, may be provided and tissue vaporization efficiency may be improved by providing a morcellating tool on the tissue contact surface.

The invention discloses a terminal-cloud cooperative computing architecture, a task scheduling device and a task scheduling method. The terminal-cloud cooperative computing architecture under an edge cloud computing platform and the task scheduling method under the architecture provided in the invention aim to solve the problems that the load of the existing edge cloud platform is high and the communication overhead when a task is submitted to a remote end is high in the rapid development cloud application time. Different from the traditional cloud computing platform, the terminal-cloud cooperative computing architecture disclosed by the invention is as follows: terminals, which are safely certificated and accessed to the system and have a certain computing capability, are also added into a computing resource pool, so that a terminal cluster is formed; the terminal cluster has relatively high expansibility; the cloud expansibility is increased; the terminal cluster and a service node cluster in static cloud complete a previous task computed by a single cloud platform together; the traditional cloud platform is optimized; the load of the cloud side is effectively reduced; the architecture has the real-time and rapid characteristics of edge cloud; and furthermore, relatively high and steady services of large data applications, such as the internet of things, can be provided.

The invention discloses a silane-modified white carbon black-carbon black composite filling and a preparation method thereof. The method is characterized in comprising the following steps of: (1) adding white carbon black which is prepared by means of precipitation and white carbon black which is prepared by means of gas phase into a high-speed mixer according to the weight ratio of 3:1-3:2, slowly and evenly adding silane polysulfide in a spraying way, and gradually heating up at 100-120 DEG C to promote the surface modification reaction to be thoroughly performed; and (2) adding carbon black and mixing for 60-180min according to the weight ratio of the carbon black to the white carbon black which is prepared by means of gas phase and the white carbon black which is prepared by means of precipitation of 1:5-1:10 under the condition of continuous stirring and temperature persevering, and cooling by means of temperature reducing to obtain the silane-modified white carbon black-carbon black composite filling. The silane-modified white carbon black-carbon black composite filling which is prepared by the method improves the dispersibility of the white carbon black which is prepared by means of gas phase in rubber, reduces the charging time of a production field, obviously improves the operation environment, is used for the prescription of a tread rubber of a tire, can obviously reduce the rolling resistance of the tire, and saves the gasoline.

A vehicle powertrain with mechanically independent sets of front and rear traction wheels has separate motive power units. An electronic control system including traction wheel slip control is electronically coupled to a first motive power unit and to a second motive power unit to separately establish maximum rear wheel traction and maximum front wheel traction. Independent requests are made for an increase or a decrease in wheel torque for one set of traction wheels and an increase or decrease in wheel torque for the other set of traction wheels thereby improving acceleration performance and enhancing vehicle stability.

The present invention discloses a 3-layer Virtual Private Network (VPN) which comprises P devices and PE devices in the backbone network, a plurality of sites and CE devices in subscribers' VPNs, and Hierarchy of PE (HoPE) devices, said HoPE devices serve as edge routers in the backbone network and are connected to P devices in the backbone network as well as sites and CE devices in subscribers' VPNs; said HoPE devices comprise understratum PEs (UPEs), zero or more middle-level PEs (MPES) and superior PEs (SPEs) connected with each other, and all of said PEs (UPEs, MPEs, and SPEs) take different roles and deliver the function of a central PE. For the SPEs, the routing and forwarding performance should be relatively higher; while for UPEs, the performance may be lower. The architecture according to the present invention can enhance the expandability in hierarchical BGP / MPLS VPNs.

A city emergency evacuation simulation system based on multi intelligent agent belongs to the complex system simulation in the technical field of computerized emulation and solves the problems of single function of emergency simulation systems of all kinds and lack of intelligence of code of conduct of emergency entity. The system comprise a database module, a communication module, a parameter configuration interface module, a data management module, an intelligent agent generation module, a program execution module, a simulation module, a commanding and decision-making module and an assessment module. The database module comprises a generalized database, a knowledge base and a model base; wherein, the generalized database comprises a dangerous source subdatabase, a resource subdatabase, a foundational geodata subdatabase. The system can establish an efficient intelligent model, describes the precise behavioral process of emergent intelligent agents of all kinds in the state of disasters and emergency from two levels of macroscopy and microcosmic, can custom-make a parameter and expanded intelligent model, has commonality and expansibility, and makes up the shortage and deficiency of the city emergency evacuation simulation study in regionality and comparatively large ranges.