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82results about How to "Overcome resources" patented technology

Quality inspection treatment method and system

The present application provides a quality inspection treatment method and a system. After the work order sampling process, all traffic orders to be subjected to quality inspection are obtained. After that, the data of a recorded audio file corresponding to each traffic order is subjected to voice analysis. Meanwhile, the comprehensive analysis and the quality inspection for each traffic order and the voice analysis result of the corresponding recorded audio file are conducted, so that a comprehensive quality inspection result is obtained. Finally, according to the comprehensive quality inspection result of each traffic order and the customer service ownership condition of the traffic order, the quality inspection result of each sampled customer service corresponding to the traffic order can be obtained. In this way, the quality inspection process for the customer service is automatically realized. Therefore, the problems that the existing manual quality inspection manner is large in occupancy of human resources, poor in quality inspection efficiency and not objective in quality inspection result in the prior art can be solved.
Owner:BEIJING CHINA POWER INFORMATION TECH +3

ASIP (application-specific instruction-set processor) based on extensible processor architecture and realizing method thereof

The invention discloses an ASIP based on an extensible processor architecture and a realizing method thereof, which mainly solve the problem of high circuit complexity and large resource consumption in the prior art. Aiming at the extensible processor architecture after optimization, the invention adopts a five-level-pipeline realizing method, and adopts a data orientation technology and a branch non-execution strategy to solve data hazards and control hazards in pipeline treatment respectively. The ASIP comprises an instruction fetch unit, a decoding unit, an execution unit, a memory access unit, a write-back unit, a pipeline control unit, a timer and an interrupt controller. According to the ASIP and the method, the characteristics of a pipeline processor and an FPGA (field-programmable gate array) are considered sufficiently, the pipeline structure is partitioned reasonably, and the hardware resources of the FPGA are utilized to the utmost extent; and the ASIP and the method have the advantages of simple circuit design, low resource consumption, high processor performance and low power consumption, and are highly suitable for large-scale parallel processing.
Owner:XIDIAN UNIV

Memory recovery method and device

The invention relates to the technical field of computers, in particular to a memory recovery method and a memory recovery device. The method comprises the following steps of: when memory recovery is required, determining an unprocessed partition of a memory node requiring memory recovery; acquiring a linked list with the highest recovery weight in the partition, performing memory recovery on the linked list and updating the recovery weight of the linked list; judging whether the recovery weight corresponding to the linked list with the highest recovery weight in the current partition is less than reference recovery weight to acquire a first judgment result; when the recovery weight is not less than the reference recovery weight, entering to acquire the linked list with the highest recovery weight in the partition, and performing the memory recovery on the linked list; and when the recovery weight is less than the reference recovery weight, entering one unprocessed partition of the memory node to be recovered until each partition of the memory node to be subjected to memory recovery is traversed. According to the method, the memory recovery efficiency is increased.
Owner:HUAWEI TECH CO LTD

Push method and device of content to be displayed, subscription method and device of content to be displayed and update method and device of content to be displayed

InactiveCN104301436AUnfetteredImplement subscriptionTransmissionCommercePersonalizationWireless router
The invention relates to the field of multimedia communication application, and discloses a push method of content to be displayed. The push method comprises the following steps of receiving an address list, wherein the address list contains the physical addresses of terminals having access to the same wireless router; on the basis of one or more physical addresses, customizing the content, related to the physical addresses, to be displayed; pushing the content to be displayed to one or more terminals having access to the wireless router and displaying the content. The invention further discloses a subscription method corresponding to the push method, an update method corresponding to the push method, a push device corresponding to the push method, a subscription device corresponding to the subscription method and an update device corresponding to the update method. Based on the cloud big data technology, the physical addresses serve as recognition features of the terminals, a brand-new intelligent, accurate and personalized content sharing mode is achieved, the new action of offline multimedia sharing is created, and the defects of purposelessness, time waste and resource waste of an offline multimedia sharing display screen are overcome.
Owner:BEIJING QIHOO TECH CO LTD +1

Method of using simple network management protocol to act multirariant block inquiry

This invention relates to a packet inquiry method for SNMP proxy multiple variables, which defines the data structure of a SNMP proxy management information library based on the files, analyses SNMP messages, variables and processes them to design their state and the air working state and packet the un-processed variable based on the message operation kinds of the SNMP messages, dispatches the obtaining values of the objects in the packets, inquires data based on the information of the objects and the variable index values in the management information library to bind values of the variables if the enquiry is successful and mark the variables a processed state and processes them to design the variable state and working state if it is not successful and repeates the above steps till all of their working states are processed.
Owner:南通国邦科技发展有限公司

A mobile peer network resource discovery method based on vector positioning

InactiveCN101237467AImplement bidirectional lookupSolve the bottleneck of low discovery efficiencyData switching networksNetwork data managementRouting tableDistributed computing
The invention discloses a mobile counter network resource discovery method introducing the vector position. The theory of polar coordinate position is introduced and divides the logic area of the whole cellular network according to the big attributive area, the distance and the direction and establishes a new routing table with 3D position vector information, thereby realizing functions of accurate and rapid position of the cellular network and the bi-directional seeking of the resource. The method covers the shortage that the prior algorithm can only seek the resource in one direction and reduces the network expenditure due to the frequent motion of nodes and so on; the introduction of the dynamic cellular manage mechanism realizes the dynamic allocation of the network resources, the interaction of the information between nodes of each stage well expresses the characteristics of the distributed counter network. The method realizes the hierarchical management of the network and the efficient resource discovery; the provided strategy of the vector positioning router is also suitable for the practical large-scale mobile counter network.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Method for quickly and vertically matching vehicle and goods and goods managing system

The invention discloses a method for quickly and vertically matching vehicles and goods and a goods managing system. The method comprises the following steps: logistic companies registering and entering a logistic managing system and releasing order queuing information; based on the order queuing information, the logistic companies selecting transporting power conforming to preset conditions and sending order information to drivers conforming to preset conditions; drivers used for providing transporting power registering and entering the logistic managing system and releasing transporting power queuing information and receiving corresponding order information; based on the corresponding order information, the logistic companies and the transporting power conducting vertical matching bidding; and when carrying relationships are confirmed between the logistic companies and the corresponding transporting power, the corresponding transporting power finishing delivery of corresponding orders according to rules preset by the logistic companies. The method for quickly and vertically matching the vehicles and the goods and the goods managing system can overcome the defects that in the prior art, promptness is poor, monitoring is not comprehensive, equipment resources are wasted and the like, and has the advantages that promptness is good, monitoring is comprehensive and equipment resources are saved.
Owner:无锡恰途网络科技有限公司

Wireless forward transmission system of digital optical transmission based on multi-core optical fiber

The invention provides a wireless forward transmission system of digital optical transmission based on a multi-core optical fiber. The system comprises: a BBU pool, a feeder type optical fiber, a coupler unit of a second multi-core optical fiber, distributed optical fibers and L radio remote units, namely L RRU units, wherein the BBU pool is connected to the coupler unit of the second multi-core optical fiber through the feeder type optical fiber, an output end of the coupler unit of the second multi-core optical fiber is connected to the L RRU units through the distributed optical fibers, and the value of L mainly depends on the number of wireless user data accessed by the system. The wireless forward transmission system adopts the space division multiplexing technology based on the multi-core optical fiber to improve the system capacity on the space dimension, on one hand, the space division multiplexing is added on the existing wavelength-division multiplexing technology; and on the other hand, analog sub-band interference problem caused by the multiplexing of multiple subcarriers during massive data transmission can be well overcome, and the online wavelength resources are effectively scheduled by a wavelength router to reduce the power consumption of the system to a certain extent.
Owner:SHANGHAI JIAO TONG UNIV

Treatment method for tunnel local collapse

InactiveCN104389612ASlow downDecrease so as to prevent downward movementUnderground chambersTunnel liningGratingResource consumption
The invention discloses a treatment method for tunnel local collapse. A supporting body with the cross-section shape which is identical to that of a tunnel is produced by a corrugated pipe, the supporting body is pushed into a tunnel collapse affected section and a collapse body, cleaning of the collapse body can be performed, or grouting and solidification are performed on tunnel surrounding rock of the collapse affected section and surrounding rock at the position of the collapse body and then the supporting body is pushed into the collapse body so as to perform cleaning on the collapse body. By means of the treatment method for tunnel local collapse, defects of complicated construction processes, large resource consumption and long construction period in the prior art can be overcome, particularly, defects that totally sealed protection of loose rock and earth mass can not be achieved and personal safety of constructors and device safety are severely threatened in the prior art can be overcome, and construction safety can be effectively improved. According to the treatment method for tunnel local collapse, totally sealed protection is achieved in the tunnel by means of a steel corrugated pipe, the construction period is effectively saved, the tunnel stability and safety can be guaranteed, and processes and steel quantity of I steel supporting, steel grating supporting and the like can be effectively reduced. Besides, the treatment method for tunnel local collapse is suitable for engineering application.
Owner:CENT SOUTH UNIV

Method and device for automatically configuring data warehouse parallel task queues

The invention provides a method and device for automatically configuring data warehouse parallel task queues, electronic equipment and a computer readable medium. The method comprises the following steps of: acquiring history data about operation of tasks of a user in a data warehouse; processing the history data and carrying out statistic to obtain resource occupation time lengths of the tasks; sorting the tasks according to the resource occupation time lengths; and distributing the tasks in task queues according to the sorting result and resource process number of the user.
Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1

Displacement detection device, magnetic suspension bearing and displacement detection method thereof

The invention discloses a displacement detection device, a magnetic suspension bearing and a displacement detection method thereof. The device comprises: a redundant sensor and a control mechanism; wherein, the redundant sensor is arranged on each degree of freedom of a to-be-detected bearing (1) and used to redundantly obtain a displacement signal of the to-be-detected bearing (1) on the degree of freedom to which it belongs; and the control mechanism is used to control the operation condition of the degree of freedom to which the displacement signal belongs according to the redundantly obtained displacement signal. The solution of the present invention can overcome the defects of large resource consumption, complicated structure and low reliability in the prior art, and achieve beneficial effects of small resource occupancy, simple structure and high reliability.
Owner:ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION

Traffic control system based on pattern recognition

The invention provides a traffic control system based on pattern recognition, comprising a robot part, a camera part, a traffic light part, a solar power supply part and a microcontroller part. The microcontroller controls a steering engine to make the robot complete a command action. The release time of the traffic light part is controlled according to the traffic condition. If there is a speeding vehicle, the vehicle owner is prompted by a liquid crystal display panel and a voice output device to slow down. Therefore, the labor intensity of the traffic police is reduced, the harm to the body is reduced, and the problem that meaningless waiting and traffic jam are caused as the release time of the existing traffic light cannot be adjusted is overcome.
Owner:SHAANXI UNIV OF SCI & TECH

Mineral particle model parameter calibration method based on discrete element method

The invention provides a mineral particle model parameter calibration method based on a discrete element method. The mineral particle model parameter calibration method comprises the steps that a mineral particle model parameter constitutive model based on the discrete element method is built through physical test determination and a preliminary prepared method, and the constitutive model is usedfor being combined with stacking angle determination to carry out a physical and numerical simulation dual-directional test; on the basis of preliminary verification results, mineral particle model parameters are taken as independent variables to carry out an orthogonal numerical test, a stacking angle determination value is taken as an evaluation index to carry out regression analysis, and stacking angle physical test measurement is taken as a target value to build a regression model and determine a mineral particle model parameter optimal combination; and the determined optimal combination is verified through a numerical test again, and the mineral particle model parameters based on the discrete element method are determined finally. The technical scheme solves the problems of high difficulty in obtaining parameters and low measurement accuracy of an existing mineral particle model, and provides effective technical means for determining parameters of mineral particle numerical simulation tests.
Owner:NORTHEASTERN UNIV

Efficient and simple thermal analysis method for electronic product reliability simulation analysis

The invention relates to an efficient and simple thermal analysis method for electronic product reliability simulation analysis. The method comprises the steps of fitting and establishing an equivalent empirical coefficient formula of PCB thermal analysis parameters based on a data driving method; establishing a PCB three-dimensional geometric model; establishing a PCB three-dimensional simplifiedheat transfer mathematical model and deriving an analytical solution formula; Setting model parameters and initial qualitative temperature, and calling an equivalent empirical coefficient interface to calculate thermal analysis parameters; calculating the temperature field of each component serving as a heat source, calculating the PCB temperature distribution through superposition, and updatingthe qualitative temperature; carrying out iterative computation until convergence; and thermal analysis results required by PCB reliability evaluation are calculated through an interpolation method and equivalent thermal resistance. On the basis of ensuring the thermal analysis precision, the complexity of the model is greatly simplified, the defects that a finite element / finite volume simulationmethod is long in consumed time and large in calculation resource are overcome, and the problems of dynamic working load, parameter randomness and the like in PCB reliability evaluation can be well solved.
Owner:BEIHANG UNIV

Treatment method for cellulose fermentation wastewater

The invention discloses a treatment method for cellulose fermentation wastewater. The steps are as follows: firstly, the wastewater is processed with the iron-carbon reaction tank treatment; secondly, the wastewater is processed with hydrolysis acidification-anaerobic fermentation process; thirdly, the wastewater is processed with two-stage sequencing batch activated sludge treatment, and then the treatment is completed. The treatment method not only can achieve the treatment requirements and protect environment, but also the treated wastewater can be reused for cellulose fermentation, through which the cost and water source can be saved. The treatment method is characterized in that the process effect is stable and reliable, the operation is simple and convenient, the operation cost is low, the method is accessible for industrial application and so on.
Owner:EAST CHINA UNIV OF SCI & TECH

Run-length coding FPGA (field programmable gate array) implementing method in JPEG-LS (joint photographic experts group-lossless standard)

InactiveCN102724505ASpeed ​​up the compression processThe loop structure is simpleTelevision systemsDigital video signal modificationArray data structureFpga implementations
The invention discloses a run-length coding FPGA (field programmable gate array) implementing method in a JPEG-LS (joint photographic experts group-lossless standard). The method includes: on the basis of a JPEG-LS implementing method, setting up, storing and looking up a mapping table according to index values so as to obtain an accumulated sum array, comparing run lengths with values in the accumulated sum array for five times according to a binary comparison method so as to obtain cycle indexes to achieve run-length coding, and simply and effectively achieving index value updating in two steps. By the method, the problem of complex updating structures of the index values is solved, run-length coding is achieved in short period, a mapping table structure is simplified by accumulated operations, and hardware resources are saved. Besides, a fully-pipelined structure is adopted, hardware resource consumption is less, and the method is real-time and easy to implement a field programmable gate array.
Owner:XIDIAN UNIV

Passive wireless multi-parameter sensor system and multi-parameter measurement method thereof

The invention discloses a passive wireless multi-parameter sensor system and a multi-parameter measurement method of the passive wireless multi-parameter sensor system. Multi-parameter measurement and signal transmission are achieved according to the time-division multiplexing technology. The system comprises a primary system and a subsystem. A signal transmitted by the primary system serves as a modulation carrier and also provides energy for the subsystem. The subsystem receives the signal transmitted by the primary system, and the signal is subject to circuit rectification and voltage stabilization and then provides energy for the subsystem. The subsystem comprises a plurality of capacitance-type sensors sensing changes of system-environment physical quantities. Capacitance signals of the sensors are converted into frequency signals through a C-F conversion circuit; then switching-on and switching-off of a load switch are controlled by multi-path frequency signals through one transmission channel according to the time-division multiplexing technology, and load modulation of a circuit is completed by changing the load impedance of the subsystem. Modulated signals are received by the primary system through inductive coupling to carry out demodulation and amplifying processing. Due to the adoption of the system, the number of measured parameters can be conveniently increased, and it is only required that the number of frequency dividers is increased and the state switching ability of a multiple-way switch is improved.
Owner:SOUTHEAST UNIV

Adhering self-elevating-type tower crane for hoisting wind power equipment

ActiveCN103342296ALower your heightReduce volumeCranesElectricityTower crane
The invention discloses an adhering self-elevating-type tower crane for hoisting wind power equipment. The adhering self-elevating-type tower crane of the wind power equipment comprises an elevating device, a main framework, a main clasping oil cylinder, a main clasping arm, an auxiliary framework, an auxiliary clasping oil cylinder, an auxiliary clasping arm and an elevating oil cylinder; the axial direction of the elevating oil cylinder is the vertical direction; an oil cylinder seat and a piston rod of the elevating oil cylinder are respectively connected with the main framework and the auxiliary framework; the oil cylinder seat of the main clasping oil cylinder is installed on the main framework; a piston rod of the main clasping oil cylinder is connected with the main clasping arm; the main clasping arm is arranged on the inner side of the main framework; an oil cylinder seat of the auxiliary clasping oil cylinder is installed on the auxiliary framework; a piston rod of the auxiliary clasping oil cylinder is connected with the auxiliary clasping arm; the auxiliary clasping arm is arranged on the inner side of the auxiliary framework; the inner side of the main clasping arm and the inner side of the auxiliary clasping arm are both used for clasping a fan tower section; and the elevating device is installed on the main framework. The tower crane is adhered to the fan tower section repeatedly through the main framework and the auxiliary framework in application, so that the whole tower crane climbs to the required height, and is elevated; the adhering self-elevating-type tower crane for hoisting the wind power equipment has the advantages of light weight, low manufacture cost and less limited conditions.
Owner:SINOHYDRO BEREAU 10 CO LTD

An unmanned aerial vehicle airborne image defogging method and device

PendingCN109584186AOvercome DSPOvercoming FPGA TimingImage enhancementData compressionInformation processing
The invention relates to an unmanned aerial vehicle airborne image defogging method and device. The method comprises the steps that firstly, according to the airborne information processing requirement of an unmanned aerial vehicle, an airborne video acquisition module completes image interlacing or line-by-line processing; Secondly, performing defogging grade analysis on the acquired video imagedata in an embedded system, and calculating a defogging feedback adjustment parameter; Secondly, parameterization analysis is carried out through a feedback control module according to the fog-containing level, a defogging feedback adjustment parameter is obtained, a defogging parameter of a defogging processing module is adjusted, and defogging processing work of the image is completed; And finally, finishing video data compression processing on the defogged image data through a video compression module, and transmitting the defogged image data to an airborne information processing port. Theimage defogging processing is carried out by utilizing the image defogging module, the feedback control module and the embedded system, so that the design complexity and the power consumption of the system can be effectively reduced, and meanwhile, the flexibility of system application is improved.
Owner:NORTHWESTERN POLYTECHNICAL UNIV +1

Calculation method for machining deformation caused by surface machining residual stress field

The invention discloses a calculation method for machining deformation caused by a surface machining residual stress field. In the method, through the modeling and the analysis of a part surface machining residual stress field, the action of the surface residual stress field for deformation is equivalent to one group of surface force and edge force. Corresponding surface force and edge force is applied in a finite element model to finish deformation calculation caused by the surface machining residual stress field. Compared with a traditional method, the method disclosed by the invention needs a small unit number, does not have special requirements on mesh generation, a large-scale problem can be processed, and the application of the calculation method on the large blades of a steam turbine and an aircraft engine as well as a marine large-scale propeller becomes possible.
Owner:HUAZHONG UNIV OF SCI & TECH

Method for preparing garbage derived fuel and diesel fuel from city garbage

The invention discloses a method for preparing garbage derived fuel and diesel fuel from city garbage. The method comprises the following steps: a working procedure of breaking bags, a working procedure of elementary crushing, a working procedure of magnetic separation, a working procedure of pneumatic separation, secondary crushing, sterilizing and drying, mixing, forming, a catalysis decompressing depolymerization reaction, rectification and the like. Through the adoption of the method disclosed by the invention, the problems that valuable garbage is wasted, land resources are occupied and harmful gas is emitted due to garbage disposal at present are solved. The requirements for the temperature and the pressure of the reaction of a catalysis low-pressure depolymerization technology preparing the diesel fuel through screened combustible garbage are not high, but the synthesis efficiency is extremely ideal, so that firm foundation is laid for the industrialization of large-scale devices in the future.
Owner:NANTONG SUNSHINE GRAPHITE EQUIP TECH

Method for extracting composite health-caring functional factors from broad bean green bean starch processing discharge water

The invention relates the method of extracting composite health care functional factor, comprising the following steps: discharging the device cleaning water and handing cleaning water into initial storage tank. After first stage film segregation (1.0-50.0nm), extract the proteins whose molecular weight are above 2X104D. The effluent liquid passes the passing liquid of second stage film segregation, and enters into the third stage film segregation device which is reverse osmosis film. The water from the third stage film segregation device whose COD is below 25mg / L is discharged into circulating water pool to be used as recycle water. Passing the first stage film segregation, the second stage film segregation and the third stage film segregation, extract the proteins and composite health care functional factor which possess medical treatment and health care action, and overcome the defect of wasting resource and polluting environment.
Owner:SCI & TECH DEV RES CENT INSTITUTIONS OF HIGHER LEARNING JILIN PROV

Vehicle-mounted traffic rule and regulation violation intelligent monitoring apparatus

The invention relates to a vehicle-mounted traffic rule and regulation violation intelligent monitoring apparatus. The vehicle-mounted traffic rule and regulation violation intelligent monitoring apparatus comprises a power source management module, an image acquisition module, a storage module, a control module and an information transmission module. The vehicle-mounted traffic rule and regulation violation intelligent monitoring apparatus is characterized in that the monitoring apparatus further comprises a triggering module and a map module. When traffic rule and regulation violation occurs, a sensor controller in the triggering module feeds back and transmits received triggering signals emitted by a sensor to an application processor; the application processor edits pictures taken by a camera 10 seconds before and after a time point when the application processor receives the triggering signals and accurate vehicle traffic rule and regulation violation location information acquired by the map module into a picture stream file of which the total time is 20 seconds; a wireless module uploads the picture stream file to a law enforcement agency server through 3G or / 4G or / WIFI; and an evident obtaining process of traffic rule and regulation breaking is completed.
Owner:上海德督信息科技有限公司

Gasifying system for liquefied natural gas receiving terminal

ActiveCN102654239ATroubleshootSolve the problem of gas supply interruption during releasePressure vesselsContainer discharging from pressure vesselsLand resourcesLoading arm
The invention discloses a gasifying system for a liquefied natural gas receiving terminal. The gasifying system comprises a floatation type gasifying vessel module and a land module, wherein the floatation type gasifying vessel module comprises a floatation type gasifying vessel; at least one storage cabin is arranged on the floatation type gasifying vessel; the storage cabin is internally provided with a backward flow pump and an in-tank pump; the backward flow pump is communicated with a loading arm; the loading arm is connected with a discharging arm through a discharging main pipe; the in-tank pump is sequentially communicated with a high-pressure pump suction tank a, an LNG (Liquefied Natural Gas) high-pressure pump a, an LNG main gasifying device a and a pressure regulation metering crowbar a; an output end of the pressure regulation metering crowbar a is connected with a high-pressure gas transmission arm; an output end of the high-pressure gas transmission arm can be connected with a natural gas pipe network through pipelines; the storage cabin is communicated with a gas return arm a; and the gas return arm a is communicated with a gas return arm b through a BOG (Boil Off Gas) main pipe. The gasifying system disclosed by the invention overcomes the limitations of long construction period of the general land large LNG receiving terminal, large influences of neighboring environments and soil resource limitation, and poor flexibility and the like, and is good for rapid construction and production of a project.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Method for realizing secure information backup

ActiveCN106294017AConvenient indexOvercoming the inability to store picturesDigital data protectionRedundant operation error correctionHyperlinkOriginal data
The invention discloses a method for realizing secure information backup. The method comprises the following steps: S1, downloading data from a data server to the local; S2, storing the data in Excel for arrangement; S3, performing secure encryption on the arranged data; S4, saving the encrypted data into a backup file; S5, judging whether the data backup is successful, clearing the data on the data server if the data backup is successful, otherwise, returning to the step S1. The method is easy to operate and implement and can perform data storage safely and reliably. The data is saved in Excel for arrangement firstly, thereby being convenient to index; for pictures and media resources, resource matching is performed rapidly through hyperlinks of Excel, and the defect that the pictures and media resources cannot be saved in Excel is overcome; the encrypted data is backed up, original data on the data server is cleared after successful backup, the encrypted data only exists in the backup file, and quite high data security is achieved.
Owner:SUZHOU HUAXING YUANCHUANG TECH CO LTD

Data processing system, method and device for acquiring website resources

The invention discloses a data processing system, method and device for acquiring website resources. The system comprises a data screening device, a webpage parsing server and a database, wherein the data screening device is used for receiving webpage data captured by web crawlers, screening the received data during receiving, and transmitting the screened webpage data related to appointed websites to the webpage parsing server, the webpage parsing server is used for parsing the webpage data related to the appointed websites according to preset parsing strategies to obtain first structuralized data and saving the first structuralized data to the database, and the database is used for performing data fusion according to the first structuralized data received in a preset time period to obtain second structuralized data for describing the resources of the appointed websites. By the system, the updating cycle of the website resources can be shortened, timeliness of the website resources is increased, the image rate of video resources of video websites can be increased, and user experience is increased.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD

Safety management method for spacecraft orbit control pipeline pressure intensity

The invention discloses a safety management method for spacecraft orbit control pipeline pressure, which manages the pressure of a spacecraft orbit control pipeline by adopting a method of combining two measures of heating the orbit control pipeline to reduce the pressure of the orbit control pipeline and autonomously releasing pressure, and controls the pressure of the orbit control pipeline to be within a safety range. The method comprises the following implementation steps: (1) designing an independent heating loop for a rail control pipeline and implementing the independent heating loop; (2) formulating an automatic valve opening and pressure relief strategy of the rail control pipeline; (3) opening an orbit control management valve to heat the orbit control pipeline after propellant filling of the orbit control pipeline or working shutdown of an orbit control engine; (4) after heating to a set temperature, closing a heater and an orbit control management valve; and (5) operating arail control pipeline autonomous pressure relief strategy. The method is used for safety management of the pressure of the spacecraft orbit control pipeline, it can be guaranteed that the pressure ofthe orbit control pipeline does not exceed a safety threshold value, product safety is guaranteed, the opening and closing action frequency of the orbit control management valve is reduced, and product reliability is improved.
Owner:SHANGHAI INST OF SPACE PROPULSION

Designing method of millimeter wave varied box type window

The invention discloses a designing method of a millimeter wave varied box type window. The designing method comprises the following steps of: S1, determining a type and a size of a rectangular waveguide and a diameter of a round waveguide according to the scope of an operating frequency of a microwave window; S2, selecting a material, a diameter and a thickness of a medium window plate; S3, determining whether the material, diameter and thickness of the medium window plate, which are selected in the step S2, meet matching conditions by utilizing a microwave network theory; S4, determining a length of the round waveguide by using the microwave network theory; S5, determining whether the transmission characteristic of the millimeter wave varied box type window meet the demand by using the microwave network theory; and S6, carrying out modeling and performance analysis on the determined millimeter wave varied box type window by using three-dimensional electromagnetic simulation software so as to obtain the millimeter wave varied box type window which meets the performance requirements. According to the invention, the millimeter wave varied box type window which meets the specific performance requirements can be accurately and quickly obtained and an effective method is provided for the quick and efficient design of a high-performance microwave energy transmission window.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Fast joint resource allocation method based on partition numbers in virtual MIMO system

ActiveCN106793120AOvercoming the inability to pair users at the same timeOvercome resourcesRadio transmissionWireless communicationComputation complexityResource block
The invention discloses a fast joint resource allocation method based on partition numbers in a virtual MIMO system in the field of wireless communication. The problems of non-fixed user pairing and resource allocation when the number of users is large are mainly solved. The technical scheme is as follows: constructing a complete resource block allocation set and a user group partition number set; constructing a fast joint resource allocation model based on the partition numbers in the virtual MIMO system, and solving the fast joint resource allocation model by using a Hungary algorithm based on a greedy algorithm to obtain a user pairing and resource allocation result; modulating user information according to the result and a user modulation matrix; and sending the information to a receiver on resources allocated to the user to accomplish user pairing and resource allocation. According to the fast joint resource allocation method disclosed by the invention, multi-user pairing of a non fixed number is carried out quickly based on the user paring based on the partition numbers, and the local optimum to the global optimum in the allocation model is resolved. By adoption of the fast joint resource allocation method disclosed by the invention, under the condition of low computation complexity, the utilization rate of the system frequency is maximized, and the communication quality of the system is improved. The fast joint resource allocation method is applied to the communication of the virtual MIMO system.
Owner:XIDIAN UNIV

Intra-frame image brightness block prediction device and method

The invention discloses a device and a method for predicting a luminance block of an intra-frame image. The problems in the prior art that the design of a control circuit is complicated and the reusability of an arithmetic circuit is bad are mainly solved. The device comprises a sub-block reference pixel position storing module, an integral device control module, an address counter module, a redundant microcode storing module, a reference pixel storing module, an arithmetic circuit module and a predicted pixel series-parallel converting module. The method comprises the following steps of: 1, respectively storing reference pixel position information and the redundant microcode of the luminance block of a typical sub-block; 2, obtaining the reference pixel position information of the luminance block of a current sub-block according to input information; 3, decoding to obtain a reference pixel and a microcode of the luminance block of the current sub-block according to the reference pixel position information; and 4, carrying out arithmetic to generate a predicted pixel under the control of the microcode, processing the predicted pixel through series-parallel conversion, and sending the processed predicted pixel to an exchange stage of encoding the luminance bock of the intra-frame image. The device and the method have the advantages that the control circuit has a simple design, the data processing speed is quick, and the resource consumption is less.
Owner:XIDIAN UNIV
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