Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

103results about How to "Reduce the number of executions" patented technology

Database inquiry processing method facing concurrency OLAP (On Line Analytical Processing)

ActiveCN102663114ANo intermediate join resultsGuaranteed predictable performanceMulti-dimensional databasesSpecial data processing applicationsArray data structureParallel computing
The invention discloses a database inquiry processing method facing the concurrency OLAP (On Line Analytical Processing). On the basis of the predicate vector-based memory OLAP star join optimization, the concurrency OLAP inquiry processing on the basis of the bit operation of inquiring predicate vectors in batches is carried out. According to the invention, in a database management system, aiming at the I / O (Input / Output) performance and the parallel OLAP processing performance, a concurrency inquiry processing optimization technology is implemented and the optimization and setting of a concurrency OLAP processing load facing the I / O performance are supported, so that the predictable processing performance facing the diversified OLAP inquiry is improved and the concurrency inquiry star join bitmap filtering processing on the basis of an array of the predicate vectors is implemented.
Owner:RENMIN UNIVERSITY OF CHINA

Local Retinex enhancement algorithm based on HSV color spaces

The invention discloses a local Retinex dehazing algorithm based on HSV color spaces. The local Retinex dehazing algorithm is used for conducting image enhancement on an image with fog being unevenly distributed under the foggy day condition. The method includes the following steps that A, the multi-layered foggy day image is processed in different color spaces, so that the image contrast ratio is enhanced, and the image definition is improved; B, the size of the image is obtained, the sizes of subblock images are judged in a self-adaptation mode, and a luminance image of the foggy day image is partitioned; enhancement processing is conducted on all sub images of the luminance component, and the image definition is improved; C, the area proportion factors of all pixel points in the overlapped sub images are calculated, weighted summation is conducted on all the overlapped sub images, and image fusion is achieved; D, the saturability component of the image is processed, and the image color is restored. By means of the local Retinex dehazing algorithm, scenery details at different levels can be restored clearly and quickly, the visual effect of the image is improved, and the algorithm is suitable for aerial photo systems at different regions.
Owner:DALIAN UNIV OF TECH

Acceleration of bitstream decoding

Described are methods and systems for variable length decoding. A first execution unit executes a first single instruction that optionally reverses the order of bits in an encoded bitstream. A second execution unit executes a second single instruction that extracts a specified number of bits from the bitstream produced by the first execution unit. A third execution unit executes a third single instruction that identifies a number of consecutive zero bit values at the head of the bitstream produced by the first execution unit. The outputs of the first, second and third execution units are used in a process that decodes the encoded bitstream.
Owner:NVIDIA CORP

Network equipment configuration system and method for large-scale network environment of network range

The invention discloses a network equipment configuration system and method for a large-scale network environment of a network range. The network equipment configuration system comprises a virtual machine management module, a network equipment management module, an instruction decomposition and combination module and an instruction execution module. The instruction execution module acquires the configuration mirror image of the network equipment before configuration and initializes a connection pool and an instruction execution thread pool, and the network equipment management module judges whether the configuration request of the virtual machine management module is legal or not, constructs an execution instruction sequence and directly reflects an instruction execution effect into the configuration mirror image of the network equipment; the instruction decomposition and combination module decomposes the instructions into corresponding instruction execution queues and establishes dependency association; and finally, the instruction execution module executes the instruction execution thread pool in parallel, and environment construction is completed. According to the method, an instruction dependence detection concurrent execution mode is adopted, so that the configuration instruction execution efficiency is greatly improved, repeated network equipment configuration informationquery is avoided through network equipment configuration mirror images, and efficient construction of a large-scale network environment of a network target range is realized.
Owner:南京赛宁信息技术有限公司

A memory and a forming method thereof, and a semiconductor device

The invention provides a memory and a forming method thereof, and a semiconductor device. A mask support and a sacrificial layer are formed in self-alignment with a first mask layer corresponding to aword line pattern, a cavity is formed in self-alignment with a second mask layer, so as to define a region in which the memory node contact and the bit line contact are formed, so that the memory node contact and the bit line contact can be sequentially formed in the cavity under the action of an isolation barrier of the mask support and the sacrificial layer. That is, in the process of forming the storage node contact and the bit line contact, By using only one photolithography process, the execution times of the photolithography process are reduced, the problem of large displacement deviation due to multiple photolithography processes is avoided, and the contact resistance between the memory node contact and the memory node contact region, and between the bit line contact and the bit line contact region can be reduced.
Owner:CHANGXIN MEMORY TECH INC

Multi-variable interval constrained estimation-based SCR denitration optimized control system and method

The invention discloses a multi-variable interval constrained estimation-based SCR denitration optimized control system, which comprises an NOx concentration target value setting unit, a multi-variable predictive control unit, a proportional control unit A, an ammonia spraying valve A, an SCR reactor A, a transition flue between the reactor A to a chimney inlet, a proportional control unit B, an ammonia spraying valve B, an SCR reactor B, a flue between the reactor B and the chimney inlet, and the chimney inlet. The invention also discloses a control method of the above system. According to the technical scheme of the invention, the response speed of the ammonia spraying amount control to the unit load change is increased. Meanwhile, the influence on the performances of the system, caused by the saturation of an actuator, can be avoided. The actuating number of the actuator is reduced, and the service life thereof is prolonged. The economical efficiency of the denitration system is improved.
Owner:SOUTHEAST UNIV

Storage, formation method thereof and semiconductor device

The invention provides a storage, a formation method thereof and a semiconductor device. A first isolation line covering a word line in a self-alignment way is used as a first isolation screen, a second isolation line covering the word line in a self-alignment way is utilized so that the second isolation line is combined with the word line to form a second isolation screen, and a contact window corresponding to a second contact area is defined by intersection of the first isolation screen and the second isolation screen. The contact window in contact with a corresponding storage node can be defined without a photoetching process, the fabrication cost is reduced, the alignment deviation among multiple steps of the photoetching process also can be reduced, and the contact resistance between the storage node formed subsequently and the second contact area is favorably improved.
Owner:CHANGXIN MEMORY TECH INC

Method for managing random access process in long term evolution network and user equipment

Disclosed are a random access procedure management method and user equipment in a long term evolution network. The method includes: user equipment triggering a random access procedure, and entering a random access preparation state; the user equipment judging whether the random access procedure should be ended, and if the judgement is yes, then ending the random access procedure; and if the judgement is no, then continuing to judge whether the random access procedure should be ended until the time when the user equipment is in the random access preparation state reaches a pre-determined time duration; and if the time when the user equipment is in the random access preparation state reaches a pre-determined time duration, the user equipment executing the random access procedure. Implementing the embodiments of the present invention can reduce the number of times the random access procedure is executed, and improve the access performance of the entire long term evolution network.
Owner:HONOR DEVICE CO LTD

Microprocessor performing IIR filter operation with registers

A filter operation circuit of a microprocessor executes an IIR filter operation by using data provided from registers R0 to R2 and outputs one sample of data Y[n] subjected to filter operation and transfer data P[n] to be used in the next IIR filter operation. Register R0 provides filter coefficients to the filter operation circuit. Register R1 provides past transfer data P[n−1] and P[n−2] to the filter operation circuit and is overwritten and updated with new transfer data P[n] output from the filter operation circuit. Register R2 holds multiple samples of data X[n] to X[n+3] to be subjected to filter operation and provides X[n] to the filter operation circuit. An area of register R2 in which X[n] has been held is overwritten and updated with Y[n].
Owner:RENESAS ELECTRONICS CORP

Use of iterative learning for resolving scalability issues of bandwidth broker

InactiveUS20150100694A1Improve optimalImprove quickDigital computer detailsData switching networksExtensibilityInternet network
A centralized bandwidth broker (a special network server) functioning as a domain manager in an internet network having differentiated services architecture is responsible for receiving and replying to a large number of requests and for performing huge numbers of resource management tasks at the inter- and intra-domain level. Consequently, it can have scalability issues. According to the invention the bandwidth broker maintains an experience database in addition to information about other aspects of the network, and uses iterative learning for solving scalability issues by using information of previous good experiences to take future resource management decisions. Based on similarity with previous network and request conditions, the new decision can be taken without executing resource intensive algorithms. The database of experience is continuously updated for optimized iterative learning. Processing overhead is reduced, enabling a single bandwidth broker to manage big networks with large numbers of users.
Owner:UMM AL QURA UNIVERISTY

Liquid ejecting head

There is provided a liquid ejecting head which can introduce a liquid in a liquid storage member to a pressure chamber side via a liquid flow path from a liquid introducing needle and which can eject a liquid in the pressure chamber from a nozzle opening as a liquid drop by operation of a pressure generator. The liquid introducing needle constructed in a hollow needle shape includes an introducing needle portion in which a liquid introducing through hole for introducing a liquid in the liquid storage member is opened, and a cylindrical enlarged diameter straight portion formed at the downstream side of the introducing needle portion and whose inner diameter is enlarged than the inner diameter of the introducing needle portion. The inner space of the enlarged diameter straight portion is to be a bubble chamber which can store a bubble and the enlarged diameter straight portion includes a groove portion extending from the upstream side toward the down stream side on the inner circumference surface.
Owner:SEIKO EPSON CORP

Bubble control unit, liquid ejecting head, and liquid ejecting apparatus

ActiveUS8246153B2Suppressing consumption of liquidReduce the number of executionsInking apparatusLiquid jetBubble chamber
Provided is a bubble control unit for a liquid ejecting head which ejects liquid from a nozzle formed on a nozzle surface. The bubble control unit includes a liquid channel through which the liquid is supplied to the nozzle. In the bubble control unit, the liquid channel includes: a first chamber; a second chamber disposed on the upstream side from the first chamber; a first communicating path which has a bubble chamber extending upward from the first chamber, and makes the liquid within the second chamber to flow into the first chamber from a first communicating path inlet of the second chamber; and a second communicating path which is provided with a second communicating path inlet below the first communicating path inlet, separately from the first communicating path inlet, and makes the liquid within the second chamber to flow into the first chamber from the second communicating path inlet.
Owner:SEIKO EPSON CORP

Method and device for adjusting antenna parameters, electronic equipment and computer readable medium

The embodiment of the invention provides a method for adjusting antenna parameters, and the method comprises the steps: determining a first signal index value of a target region according to an initial value of a parameter of each antenna in the target region and a first preset rule; adjusting the parameters of each antenna at least according to the first signal index value and the optimization target value until a first preset condition is satisfied; determining a second signal index value of the target area according to the value of the parameter of each antenna when the first preset condition is satisfied and a second preset rule; adjusting the parameter of each antenna at least according to the value of the parameter of each antenna and the optimization target value when the first preset condition is satisfied until a second preset condition is satisfied, wherein the parameters in the second preset rule comprise the parameters and the geographic parameters in the first preset rule.The embodiment of the invention further provides a device for adjusting the antenna parameters, electronic equipment and a computer readable medium. According to the invention, the overall adjustmenttime of antenna parameters can be shortened, and the implementation efficiency of network planning and network optimization is improved.
Owner:ZTE CORP

Data paging method, device and system

ActiveCN102479198AReduced complexity and execution timesReduce contentionSpecial data processing applicationsData pagePaging
The invention is applicable to the data processing field and provides a data paging method, a data paging device and a data paging system. The method comprises the following steps: acquiring data in accordance with inquiry conditions from a physical table, assigning a sequence number for the acquired data, and storing the data with the assigned sequence number in a temporary table; calculating left and right margins of the sequence number of the currently showed page according to the number of the showed data of each page, set by the data showed page; and acquiring the showed data of the current page from the temporary table according to the left and right margins of the sequence number in the currently showed page. According to the invention, the temporary table with the sequence number is generated to realize paging show of the data inquiry result directly based on the sequence number in the temporary table when the data inquiry result is showed in a paging manner, and meanwhile, when the data in the physical table is modified, the data in the temporary table is updated synchronously, thus the complexity and execution frequency of the database sentences can be reduced.
Owner:KINGDEE SOFTWARE(CHINA) CO LTD

Memory controller, nonvolatile memory device, and nonvolatile memory system

In rewriting processing of logical sectors, data of the transferred logical sectors are temporarily stored in a memory buffer. When the buffer memory has been full filled with data, the data is written into a flash memory. In rewriting processing for the flash memory including a writing unit (page) having a capacity larger than a minimum writing unit (sector) from outside, the number of executions of the evacuation processing can be reduced and the fast data rewriting can be performed. Thus, it is possible to rationalize the evacuation processing for old data caused in the rewriting in units of sectors and to improve the data rewriting speed.
Owner:PANASONIC CORP

Data object verification method, device and system based on rules, and electric device

The invention discloses a data object verification method, device and system based on rules, and an electric device. The data object verification method based on the rules comprises the steps of obtaining a to-be-verified data object and a corresponding verification rule; sorting a performing sequence of sub-verification rules contained in the verification rule according to a preset sorting standard, thereby obtaining the performing sequence of the sub-verification rules; judging whether the to-be-verified data object satisfies the sub-verification rules or not in sequence according to the performing sequence of the sub-verification rules, until a preset verification stopping condition corresponding to the sorting stand is realized or all the sub-verification rules are performed completely; and calculating to obtain a verification result of the to-be-verified data object according to logic relationships between judging results and the sub-verification rules. Through adoption of the method provided by the method, the device, the system and the electric device, the sub-verification rules capable of determining the verification result rapidly are performed preferentially, and the sub-verification rules are prevented from being performed completely, thereby achieving an effect of improving a data verification speed.
Owner:ALIBABA GRP HLDG LTD

Method, device and equipment for drive assistant

A method for drive assistant comprises the following steps of detecting whether the driver's effective response information is received within a predetermined time period during driving; detecting a safety index of the current environment if the driver's effective response information is not received within the first predetermined time period; executing a preset tolerable error command if the safety index of the current environment is greater than a predetermined value; and executing corresponding risk avoidance processing if the driver's intervention command is not received within the secondpredetermined time period after executing the error driving command. Through the layer-by-layer detection of attention concentration, it is possible to detect the driver's inattention state more timely and accurately, and improve the safety of automatic driving or assisted driving.
Owner:SHENZHEN HONGDIAN TECH CORP

Pre-scheduling method and system based on service type

The invention provides a pre-scheduling method and system based on a service type. The method comprises the steps of: when uplink and downlink data is processed, parsing a data package header of the uplink and downlink data; if a parsing result shows that the uplink and downlink data is a preset service type of data packet , storing user equipment information corresponding to the uplink and downlink data and pre-scheduling information into a pre-scheduling queue; and according to a pre-scheduling parameter and a discontinuous receiving parameter which are preset and correspond to the preset service type, carrying out a pre-scheduling operation on user equipment corresponding to the user equipment information in the pre-scheduling queue. According to the pre-scheduling method and system provided by the invention, an effect of executing the pre-scheduling operation on user equipment of a specific service type of data packet and not executing the pre-scheduling operation on user equipment of other service types of data packets is achieved, times of executing pre-scheduling are reduced, the time delay of the specific service type is saved, occupation for system resources is reduced, and interference caused by the fact that user equipment sends an idle packet in the case of no data transmission is also reduced.
Owner:DATANG MOBILE COMM EQUIP CO LTD

Compiler apparatus

A compiler apparatus, which can perform software pipelining optimization that has a considerable effect of reducing the number of execution cycles taken to complete a loop process, converts a source program into a machine program for a processor which is capable of parallel processing. The compiler apparatus is composed of: a parsing unit operable to parse the source program and then to convert the source program into an intermediate program which is described in an intermediate language; an optimization unit operable to optimize the intermediate program; and a conversion unit operable to convert the optimized intermediate program into the machine language program, wherein the optimization unit is operable to execute software pipelining, by inserting a transfer instruction, which is used for transferring data between operands, into a loop process included in the intermediate program so that a data dependence relation is changed.
Owner:SOCIONEXT INC

ORACLE-based umbrella data import/export method

An ORACLE based umbrella data import / export method is characterized in that when data are imported, a main process (program) reads the external data into a memory in batch in the form of memory arrays, an encapsulated OCI data exchange interface is called to resolve the memory arrays in batch, and the resolved memory arrays are imported into a temporary table special for transactions; after the external data are imported into the temporary table, the umbrella imported API based on the temporary table uses the user-defined ORACLE function or process as the parameter to be executed by calling the umbrella imported API, the external data are dispersed in a plurality of user-defined physical tables, and the user-defined ORACLE function or process defines the dispersion of the data in the temporary table; the internal data are exported in batch: when the data are exported, the encapsulated OCI data exchange interface is called to read the internal data into the memory in the form of memoryarrays, and the memory arrays are exported in batch; and after the internal data are exported into the memory arrays, the umbrella exported API based on the multi-dimensional memory chip uses the user-defined ORACLE function pointer as the parameter to be executed by calling the umbrella exported API, and the internal data are exported into a plurality of files in a disperse manner.
Owner:LINKAGE SYST INTEGRATION

Power distribution network line system line graph model processing platform

A power distribution network line system line graph model processing platform comprises platform hardware and platform software. The platform hardware is deployed in a distribution automation system management information large area, is directly deployed on a power distribution automation system Scada server, or deployed on a power distribution automation system workstation or independently installed on a graph model server of an I area. The platform software architecture is based on a C / S mode structure and is divided into three layers: a user interface layer, a service logic layer and a bottom operation layer. Platform software is developed by using a QT cross-platform language, and an interface layer interacts with a service logic layer through a QT signal slot mechanism; and the service logic layer and the bottom operation layer interact in an interface form. Distribution line graph model data sharing among the systems is achieved, it is ensured that the graph topologies of the systems are kept consistent, practical drawings such as a control type equipment diagram and a contact diagram can be generated, the user requirements of a distribution network application system are greatly met, and a line graph model is more practical in application of the systems.
Owner:STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST +2

Method and device for reducing location update procedures in satellite communication systems

InactiveCN1292177AReduce the number of executionsReduce the number of location updatesRadio transmissionSpot beamSatellite
A user terminal is registered with a satellite communications system including a plurality of satellite spot beam transmitters; wherein each of the satellite spot beam transmitters defines a respective spot beam. A periodic oscillation of two adjacent satellite spot beam transmitters results in a change of geographic coverage for the respective adjacent spot beams so that the user terminal can be alternatingly covered by the first and second spot beams when the user terminal is stationary. Upon determining that the user terminal is alternatingly covered by the first and second spot beams, the user terminal is registered with a spot beam pair for both the first and second adjacent spot beams and the spot beam pair registration is stored in the user terminal memory. Communications operations between the user terminal and the satellite communications system may be terminated and later re-established, whereupon the user terminal reregisters with the spot beam pair registration stored in memory. Related user terminals are also discussed.
Owner:TELEFON AB LM ERICSSON (PUBL)

Transmission format detection method

A communication system transmits frames with an arbitrary information length among a plurality of possible information lengths. On receipt of a frame, a receiver performs Viterbi decoding and a CRC operation assuming that the information length of the relavent frame is the same as that of an immediately previous frame. The information length of the frame is detected based on the result of the CRC operation.
Owner:CYPRESS SEMICON CORP +1

Vulnerability scanning method and device, computer device and storage medium

The invention relates to a vulnerability scanning method and system, a computer device and a storage medium. The method includes intercepting traffic data to be scanned, determining whether the intercepted traffic data to be scanned is dynamic data, and when the intercepted traffic data to be scanned is the dynamic data, querying whether the traffic data to be scanned has parameters; when the traffic data to be scanned has the parameters, obtaining the type of the traffic data to be scanned; acquiring a vulnerability scanning rule corresponding to the type of the traffic data to be scanned; and performing vulnerability scanning on the traffic data to be scanned through the vulnerability scanning rule. According to the vulnerability scanning method and system, the computer device and the storage medium, first the traffic data to be scanned that does not need to be scanned is removed, and then the corresponding vulnerability scanning rule is obtained according to the type of the trafficdata to be scanned, without the need to execute all vulnerability scanning rules in a database once, the number of executions of the vulnerability scanning rules can be greatly reduced, and thus the efficiency of vulnerability scanning is improved.
Owner:PING AN TECH (SHENZHEN) CO LTD

Semiconductor device and method of fabricating the same

A method of fabricating a semiconductor device includes forming a gate insulating film on an upper surface of a silicon substrate, forming a polycrystalline silicon film on the gate insulating film, and etching the polycrystalline silicon film, the gate insulating film, and the silicon substrate with a patterned coating type carbon film and a silicon nitride film so that first and second trenches are simultaneously formed. The first trench has a first width and a first depth and the second trench has a second width larger than the first width and the second depth larger than the first depth.
Owner:KK TOSHIBA

Memory, method for forming the memory, and semiconductor device

The present invention provides a memory, a method for forming the memory and a semiconductor device. A first isolation sidewall is formed on a sidewall thereof by using the formed bit line and the bitline contact, and in the adjacent two bit lines, the first isolation sidewalls on the two nearest bit line contacts are connected to each other, so as to form a bottleneck closure, the opening formedby the isolation side wall and the bottleneck closure can be self-aligned to define the forming area of the storage node contact, so that only the operation of filling the opening with contact material is needed when the storage node contact is formed, and the photolithography process is not required. Thus, the execution times of the photolithography process can be reduced, the process flow is effectively simplified, the limitation of the photolithography process window can be avoided, and the preparation difficulty of the memory can be reduced.
Owner:CHANGXIN MEMORY TECH INC

Bubble control unit, liquid ejecting head, and liquid ejecting apparatus

ActiveUS20100053284A1Suppressing consumption of liquidReduce the number of executionsInking apparatusLiquid jetBubble chamber
Provided is a bubble control unit for a liquid ejecting head which ejects liquid from a nozzle formed on a nozzle surface. The bubble control unit includes a liquid channel through which the liquid is supplied to the nozzle. In the bubble control unit, the liquid channel includes: a first chamber; a second chamber disposed on the upstream side from the first chamber; a first communicating path which has a bubble chamber extending upward from the first chamber, and makes the liquid within the second chamber to flow into the first chamber from a first communicating path inlet of the second chamber; and a second communicating path which is provided with a second communicating path inlet below the first communicating path inlet, separately from the first communicating path inlet, and makes the liquid within the second chamber to flow into the first chamber from the second communicating path inlet.
Owner:SEIKO EPSON CORP

Simulation method, simulation apparatus, and computer readable medium storing simulation program

A circuit analysis portion obtains an output characteristic of each of first noise source candidates. A noise evaluate portion obtains intensity of a noise crosstalking from each of the first noise source candidates to a low noise-tolerance terminal based on a second transfer function and the output characteristic of each of the first noise source candidates. Further, the first noise source candidates having the intensity of at least a prescribed value are set as second noise source candidates that are highly possibly the noise source. The analysis portion sets a noise source equivalent circuit to each of the second noise source candidates, and performs a second electromagnetic field analysis of the circuit substrate. The analysis portion sequentially repeats the second electromagnetic field analysis to every second noise source candidate. Thus, the route of the crosstalking noise can efficiently be analyzed.
Owner:SHARP KK

Exhaust gas purification device for vehicle

Provided is an exhaust gas purification device for a vehicle, wherein even in a vehicle in which the operation and stop of an internal combustion engine are frequently repeated, exhaust gas is prevented from being discharged to the outside of the vehicle while being insufficiently purified, and excessive decline in battery performance is prevented. Specifically provided is an exhaust gas purification device for a vehicle, the device being provided with a purge control means for executing purge processing for recovering a reducing agent remaining in a reducing agent supply unit after an internal combustion engine is stopped, wherein the purge control means executes the purge processing when it is determined at time of the stop of the internal combustion engine that the internal combustion engine is not restarted for a predetermined period of time or more and / or when it is determined that the stop of the internal combustion engine is not caused by control for automatically stopping the internal combustion engine when a predetermined idling stop condition is satisfied.
Owner:BOSCH CORP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products