648results about How to "Solving inefficiencies" patented technology

An encoding method, decoding method, encoding device and decoding device for a structured LDPC. The method comprises: determining a basic matrix used for encoding and containing K0 pairs which are adjacent up and down; and according to the basic matrix and an expansion factor corresponding thereto, completing an LDPC encoding operation of obtaining Nb × z bits of code words from (Nb - Mb) × z bits of source data, where z is the expansion factor, and z is a positive integer which is greater than or equal to 1. The provided technical solution is suitable for the encoding and decoding of structured LDPC, thereby realizing the encoding and decoding of LDPC at high production line speed.

The invention relates to an automatic planning method of a steelmaking and continuous casting heat batch plan and a system thereof, belonging to the IT field and including the following steps: 1, data collection; 2, construction of model; 3, optimization solution; 4, outcome assessment; 5, human-computer interaction; 6, sending down for executing. All indexes of the heat batch plan result obtained by adopting mathematical model and optimization algorithm of the invention are superior to that of the heat batch plan result obtained by the existing on-site manual planning pattern, in addition, the planning time (about 5 minutes) of the automatic planning method of the invention is far shorter than the planning time (about 2-3 hours) of the manual planning pattern. Therefore, the automatic planning method of the invention improves the scientificity of the traditional manual planning pattern, enhances planning level and quality, solves the problem of low efficiency in the manual planning pattern, and provides a scientific method for planning the on-line heat batch plan on a computer integrated manufacturing system in a steel enterprise.

The invention discloses a slave side of a master-slave minimally invasive vascular intervention surgical robot and a controlling method of the slave side, and belongs to the technical field of machine manufacturing.The slave side comprises a slave side control mechanism and a slave side mobile platform, and the slave side control mechanism is composed of a clamp driving mechanism I, a thrust feedback mechanism II, a lossless clamp mechanism III and a clamp control mechanism IV.The invention further provides a control method of the slave side.As the clamp driving mechanism, the thrust feedback mechanism, the lossless clamp mechanism and the clamp control mechanism are designed, the operation of clamping, releasing, rotating, pushing a guide wire and measuring pushing force in the operation process is completed, the accuracy of measuring the pushing force is improved, and guide wire clamping reliability is improved, and the slave side is convenient to assemble and disassemble.

The present invention discloses a quasi-fully homomorphic ciphertext data operation method and system and belongs to the ciphertext database and network data privacy protection technical field. The fully homomorphic cipher operation-based hybrid cloud platform architecture is provided, existing database configurations are not needed to be drastically modified, and therefore, a construction mode issimple; a ciphertext server is defined to support homomorphic calculation, query interception rewriting, data encryption and decryption, key management and other functions, is deployed at the privatecloud platform of a local data center and can establish a connection between the local data center and a third-party public cloud platform; a classified field extension mode is adopted, field extension is performed on numerical value data and character type data; by means of mode innovation, quasi-fully homomorphic ciphertext conventional arithmetic calculation is performed on the numerical valuedata through a functional demand-based cipher service strategy; query / operation is directly performed on ciphertext data; and therefore, the processing efficiency of the data and the security of thestorage and retrieval of the data can be improved.

The invention relates to a user mode network protocol stack system, which comprises a protocol stack configuration management module, an array receiving module, an array sending module and a plurality of proxy protocol modules. The protocol stack configuration management module is used for cutting proxy protocols in a protocol stack and configuring the filter rule of each proxy protocol; the array receiving module is used for managing a cache region which receives a message; the array sending module is used for managing a cache region which sends the message; the plurality of proxy protocol modules are positioned on a plurality of layers; each proxy protocol module comprises an A-class interface, a B-class interface and a C-class interface; the A-class interface is used for receiving the message sent by the upper layer of proxy protocol module; the B-class interface is used for the lower layer of proxy protocol module to submit the message; and the C-class interface is used for the protocol stack configuration management module to configure the proxy protocol module. The invention realizes a user mode network protocol stack through the protocol stack configuration management module.

The invention discloses a two-dimensional parallel acquisition system in spread spectrum communication, which comprises a detection part and a check part. A data preprocessing unit in the detection part performs down-conversion and down-sampling to signals and simultaneously performs down sampling to local codes, results are saved in a buffer memory I, then the results are transmitted to partial matching filters for computation, the results are saved in a buffer memory II, then the results are sequentially transmitted to an FFT (Fast Fourier Transform) and incoherent accumulation unit, the results are saved in a buffer memory III, finally the results are transmitted to peak searching unit for searching for a code phase a Doppler frequency offset corresponding to a maximum value, and the results are transmitted to the check part; a code time delay unit and a frequency offset compensation unit in the check part respectively perform code time delaying and signal frequency offset compensation to the detection results, the results are transmitted to an accumulation unit for coherent and incoherent accumulation, then the results are transmitted to a control unit for threshold judgment, the acquisition is successful if the results exceed a threshold, otherwise, the acquisition of a next section is performed and the acquisition is failed if all code phases are traversed. The two-dimensional parallel acquisition system in spread spectrum communication has the beneficial effects that the parallel acquisition of the code phase and the Doppler frequency offset is realized through a streamline method and the acquisition efficiency is greatly improved.

The invention relates to a multi-target tracking method based on dynamic group division, which comprises the steps as follows: S1, for a certain time in a video scene, whether a target enters or leaves a scene area or not is judged firstly and a target set is updated according to a detection result; S2, a grouping threshold of the target set is set and hierarchical clustering is used to cluster the target set at last time by distances, and then a target position at last time is divided into different groups according to a clustering result at last time; S3, each group in the target set is provided with a tracker; the trackers use a Bayesian framework to deduce the optimal value of each target at a current time position according to the position state of each target at last time and the observation value of each target on an image at the current time in the groups; and the optimal value of each target at the current time position is used for updating the position state of each target in the target set so as to prepare deducing the position of each target at next time.

The invention discloses an intelligent transformer substation relay protection inspection system. The system comprises a server connected to an intelligent transformer substation station control layer network. The server is used for executing a method comprising the following steps of reading and analyzing a SCD file and acquiring an IP address list of a full station spacing layer device; starting an IEC61850MMS client and successively establishing MMS communication with the spacing layer device in the full station according to the IP address list; traversing and taking a fixed value of the device in the station, remote metering and a log and carrying out determination, wherein the step includes taking a protection fixed value information list and a soft pressure plate remote communication information list and comparing to the information list input by a user; and outputting an inspection result, wherein the step includes whether an output relay protection fixed value and pressure plate information are normal. In the invention, relay protection fixed value checking is realized; checking efficiency of a relay protection equipment fixed value is increased; a problem of low efficiency is solved and inspection quality is greatly increased.

The invention relates to a user classifying method and system based on mobile user trajectory similarity; the method comprises: receiving motion trajectory data of mobile users and extracting time-position information of each mobile user; using FP (frequent pattern) tree to mine a trajectory frequent sequence of the corresponding mobile user by using average stay length of the mobile user at each base station as a weight according to the time-position information; extracting according to the trajectory frequent sequence and a preset weighted support threshold to obtain a resident site of the corresponding mobile user, calculating trajectory similarity results of the mobile users through longest common subsequence algorithm according to the resident sites of the mobile users, and classifying the mobile users according to the trajectory similarity results. The FP tree is used to mine the trajectory frequent sequence of the corresponding mobile user and find the resident site of the mobile user by using the average stay length of the mobile user at each base station as a weight, user trajectory law can be guaranteed, data quantity can also be decreased, and calculation complexity is reduced.

The invention is a method for realizing automatic topology discovery of a kind of elastic grouping multi-ring mutual-connection method, at first, the standardized grouping ring RPR single ring network media is accessed to the address which controls the MAC, the representation method is defined extensively, then constructs the double direction chain and the topology information table unit structure of the tree connection, in order to preserve the topology information and the joint information in the network, finally, based on the constructed chain table and the automatic topology discovery., it uses clockwise layering method to realize the automatic topology discovery of the multi-ring mutual-connection network. The invention has character of distributed automatic control of single ring structure and the merits of automatic topology discovery algorithm, it solves the problem of route information automatic discovery and the automatic control of the RPR multi-ring mutual-connection network topology, based on the topology information and the joint information in the chain table and the information table, it can complete the calculation of the second layer route, thus, any joint in the network can works out the route series to other joint in the network quickly.

The invention discloses an intelligent intermittent pumping control device for an oil pumping machine. The intermittent pumping control device for the oil pumping machine comprises an intermittent pumping controller, an electric control box, a displacement sensor, a load sensor and a wireless antenna; the displacement sensor measures displacement at a polished rod of the oil pumping machine and is connected to the intermittent pumping controller; the load sensor measures a load at the polished rod of the oil pumping machine and is connected to the intermittent pumping controller; the intermittent pumping controller is connected with the electric control box, and comprises a power supply module, a communication module, a control module and an electric quantity module; the electric quantity module acquires the current, the voltage and the power of the oil pumping machine in a working process, and transmitting the current, the voltage and the power of the oil pumping machine to the control module; the communication module is connected with the wireless antenna; the control module acquires start-stop information of the oil pumping machine according to the load and the displacement at the polished rod of the oil pumping machine, and transmits a start-stop command to the electric control box; the electric control box comprises a power supply unit and a frequency converter, and realizes the start-stop of the oil pumping machine and the adjustment of jig frequency according to the command of the intermittent pumping controller. The invention also discloses a control method of the intermittent pumping control device for the oil pumping machine.

The invention discloses a key generating method and system based on identity in the computer communication and electronic business applying domain, which comprises the following steps: setting system parameter; generating user information; producing original key; detecting original key; generating reinforced key; producing user key. The system comprises the following parts: system parameter generating mode, user information generating mode, original key generating mode, original key detecting mode, reinforced key generating mode and user key generating mode. The invention solves the problem of reliability for safe channel and key trust, which prevents kinds of jactitation attack.

The invention aims to provide a method and equipment of screening a video. According to the method, a target video segment such as an important or abnormal video segment can be automatically screenedout through a deep-learning video model on the basis of image feature vectors, the existing problem that picking of target video segments from massive videos is difficult can be solved, and efficiencyand accuracy of video screening are greatly improved. In addition, through identifying whether video segments contain the target video segment such as the important or abnormal video segment, the target video segment is extracted, the extracted target video segment is used to select image key-frames, key characters / words are extracted on the basis of image content understanding of the generated key-frames, text information such as news is generated through semantic templates and a classification dictionary, a method of extracting the target video segment from the video, and using the extracted target segment to automatically generate the text information such as the news can be realized, and the problem that efficiency of a process of manually viewing the video to form text information corresponding to the video is low is solved.

The invention discloses a generation method, a server and a system of electronic order forms. The problem that efficiency of a server which generates a plurality of electronic order forms of the same article is low is solved. The method comprises that the server acquires a request according to indication information sent by a user terminal and determines and sends multiple pieces of first indication information which is used for indicating input address information to the user terminal; electronic order form information which is sent by the user terminal and contains article information and multiple pieces of address information respectively input to the user terminal by a user according to the multiple pieces of first indication information is acquired; and according to the information packaging rule that each electronic order form obtained by packaging comprises the article information and one piece of address information and different electronic order forms comprise different address information, the acquired electronic order form information is packaged into a plurality of electronic order forms. The invention further discloses a sending method of the electronic order form information and the user terminal.

The invention discloses a self-verification automatic test system, a device and a method for on-resistance. The system comprises program-controlled multi-channel selectors, a connecting cable, a self-verification component, a digital multimeter and a control module, wherein the program-controlled multi-channel selectors are used for controlling opening or closing of channels by turning on or off a switch; the connecting cable comprises an A end, a B end and a C end; the self-verification component is used for verifying the on-resistance of a tooling; the digital multimeter is used for sending a measured value of the on-resistance of the tooling and a measured value of the on-resistance of tested equipment to the control module; the digital multimeter is set in a four-wire resistance measurement mode by the control module; the control module controls the program-controlled multi-channel selectors to change the channels, starts testing the on-resistance of the tooling and receives the measured value of the on-resistance of the tooling sent by the digital multimeter; the control module controls the program-controlled multi-channel selectors to change the channels, starts testing the on-resistance of the tested equipment, and receives the measured value of the on-resistance of the tested equipment sent by the digital multimeter; and finally a true value of the on-resistance of the tested equipment is obtained.

A medical image-processing device stores the parameters of window level and window width set by a window conversion part. An opacity curve-setting part sets the settings of the OWL and OWW in an opacity curve based on the stored parameters during volume rendering for volume data. In this way, the medical image-processing device sets the opacity of a three-dimensional image.

The invention provides an intelligent paper marking method for subjective questions. The method comprises the steps of respectively preprocessing an examinee answer text and a reference answer text toobtain word vector sequence representations corresponding to the examinee answer text and the reference answer text; extracting semantic vectors of sentences in the examinee answers and the referenceanswers by utilizing a semantic feature extraction network; calculating semantic matching degrees of sentence vectors of the examinee answers and the reference answers by utilizing a fusion attentionmechanism; calculating an examinee answer weighted sentence vector by utilizing the matching result; aiming at the sentence vector sequence of the answers of the complete examinees and a weighted sentence vector sequence based on a fusion attention mechanism; utilizing a semantic feature extraction network to calculate semantic vectors of the complete answers and semantic vectors based on attention of the reference answers; and bonding the two vectors to form a final vector representation of the examinee answer; scoring the final vector representation of the examinee answer by using a multi-layer feedforward neural network. According to the invention, automatic examination paper marking of subjective questions can be realized, and examination paper marking efficiency is greatly improved.

The invention relates to a video tracking method and system. The method comprises the following steps: acquiring a video tracking target from an image picture of video monitoring; acquiring a continuous monitoring region image picture for the monitoring region located by the image picture in the video monitoring through a pre-constructed building information model; acquiring the continuous monitoring region image picture of the video tracking target from the continuous monitoring region image picture according to feature information of the video tracking target; and displaying the video tracking target through the image picture of the video monitoring and the continuous monitoring region image picture of the video tracking target. Therefore, the video tracking target is displayed through an image picture and the continuous monitoring region image picture, the continuous tracking of the video tracking target is realized without depending on the manual implementation, the manual implementation is avoided, and the problem of low efficiency is solved.

An augmented broadcasting stream transmission device and method and an augmented broadcasting service providing device and method capable of ensuring that augmented broadcasting metadata arrive at a receive terminal in a time more rapid as compared to a corresponding video frame by a predetermined time are provided.

An encoding method, decoding method, encoding device and decoding device for structured LDPC codes. The method includes: determining a basic matrix used for encoding, which includes K0 up-and-down adjacent pairs; and according to the basic matrix and an expansion factor corresponding to the basic matrix, performing an LDPC encoding operation of obtaining a codeword of Nb×z bits according to source data of (Nb−Mb)×z bits, herein z is the expansion factor, and z is a positive integer which is greater than or equal to 1. The provided technical solution is applicable to the encoding and decoding of the structured LDPC, thereby realizing the encoding and decoding of LDPC at the high pipeline speed.

The invention discloses a fully-automatic microscopic scanner. The fully-automatic microscopic scanner comprises an image acquisition mechanism, a microscopic scanning mechanism, an object-carrying platform mechanism and a light source mechanism. The image acquisition mechanism is connected with the microscopic scanning mechanism, the microscopic scanning mechanism and the image acquisition mechanism achieve X / Y / Z shaft movements under the action of a power control mechanism, and the object-carrying platform mechanism and the light source mechanism are fixed. The light source mechanism comprises a flat panel light source with a collecting lens, the flat panel light source is disposed right below a material disk of the object-carrying platform mechanism, and the light source area of the flat panel light source is greater than or equal to the total area of the material disk Flexible adjustments of a microscopic scanning mechanism lens is achieved through the arranged power control mechanism, and then the microscopic scanning mechanism lens can move in forward and backward directions, left and right directions and up and down directions. The unique light source mechanism is disposed, so the object-carrying platform mechanism and the light source mechanism are fixed during scanning, flexible and rapid microscopic scanning and real-time accurate focusing are achieved, a microscopic scanning range is expanded infinitely, and scanning efficiency and the scanning quality are improved.

The invention discloses a system and a method for integrated searching of structured data and unstructured data. After original data are stored into a data base, a B+ tree index is established for the structured data, and a reverse index is established for the unstructured data; during searching, the B+ tree index is queried in case of structured searching, the reverse index is queried in case of unstructured searching, the B+ tree index and the reverse index are queried respectively in case of mixed structured and unstructured searching, query results of the indexes are merged, and finally, the original data are obtained according to the query results of the indexes. According to the method, the problem of low efficiency caused by full table scanning performed during the unstructured searching of the current data base is solved, the performance of the structured searching is guaranteed, and meanwhile, the performance of performing of the unstructured searching in the data base is greatly improved.

A method for authenticating face recognition is disclosed by the present invention, belonging to the technical field of authentication, which solves the problem of poor real-time authentication in theprior art. The method comprises: a communication device identification of an object group within a target detection area is obtained, at that same time, according to the identification of the communication equipment and the preset face database, the target group database to be recognized is determined, the face image of the target object to be verified in the target detection area is obtained, and the obtained face image is compared and recognized based on the target group database to be recognized, and the identity information of the target object to be verified is determined. According to the method for authenticating face recognition disclosed in an embodiment of that present application, by acquiring the identification of the communication equipment of the object group in the target detection area, the face comparison range is narrowed, and the face comparison is carried out based on the reduced face database to determine the identity information of the target object, and the computational load is small, which is helpful to improve the efficiency of the authentication based on face recognition.

The invention discloses a satellite fault detection isolation recovery strategy and strategy dynamic adjustment method. The method comprises the following steps: according to a remote control instruction, dynamically adjusting a satellite fault detection isolation recovery strategy; sequentially removing the fault detection isolation recovery strategy in a fault detection isolation recovery strategy queue, and according to the fault detection isolation recovery strategy, carrying out fault detection; and if a fault detection result indicates that a fault is generated, performing fault isolation and fault recovery. According to the invention, the disadvantage that conventional spaceborne embedded software has to realize software added functions through such complex methods as a hook function, replacement of conventional functions, modification of stack windows and the like is solved, the adjustable capability of the satellite fault detection isolation recovery strategy is improved, and a good application foundation is provided for a future XX-3B satellite platform.

The invention discloses a horizontal battery production system, comprising a lead network manufacturing unit, a mixing paste manufacturing unit, a positive and negative plate plaster manufacturing unit, a pickling manufacturing unit, a plate drying manufacturing unit, a plate assembly manufacturing unit, a battery terminal installation manufacturing unit, a battery box manufacturing unit, an acid-filling manufacturing unit, a formation manufacturing unit, a wax-filling manufacturing unit, and a packaging manufacturing unit. The system is characterized in that: the manufacturing units work automatically, the positive and negative lead paste are coated on a lead network to from a positive plate and a negative plate; the positive plate and the negative plate are activated by the pickling manufacturing unit, and then orderly stack to combine into an electrode group for battery through cooperating insulation sheets in the subsequent process; after the two terminals of the electrode group for battery is subject to molding to form an electrode tip, the electrode group for battery is arranged in a battery box to form a battery assembly; acid liquor is poured into the battery assembly to generate an electrochemical reaction, then charging is carried out in the formation manufacturing unit, and then wax-filling is carried out in the battery assembly to fix each components in the battery box, and finally packaging is carried out.

The application discloses a container adjusting method applied to a server side. The method comprises the following steps: determining first configuration information; receiving operation informationreported by a terminal side node based on second configuration information; determining whether to adjust a first container operated in the terminal side node according to the operation information and the first configuration information; when determining to adjust the first container operated in the terminal side node, determining an adjusting scheme to the first container, thereby enabling the terminal side node to adjust the operation of the first container. Through the technical scheme provided by the embodiment of the invention, the terminal side node can automatically monitor and reportthe resource usage rate and like operation information of the container; the server side can automatically adjust the container according to the actual operation condition and the preset adjusting threshold, thereby solving the problem that the efficiency is low since the container is manually started or stopped in the related technology, and the resources of the container and the terminal side node (host machine) can be effectively managed.

The invention provides a controller cluster upgrading method and device. The method and the device are applied to a management controller and a region controller in a controller cluster under an SDN framework, and the method is used for gradually upgrading the management controller and the region controller in the controller cluster to solve the problem of low progressive upgrading efficiency and avoid an overlarge pressure of an edition server.

The invention relates to the field of casting machining equipment, in particular to a grinding workbench for cylindrical casting machining. The grinding workbench comprises a table top, support legs,a fixing frame, a telescopic mechanism and an outer grinding roller, the upper surface of the table top is rotatably connected with a rotating table, a rotating cylinder is mounted at the bottom of the rotating table, a rotating shaft is mounted in the rotating cylinder, the top end of the rotating shaft is sleeved with an inner grinding roller, the upper surface of the table top is fixedly connected with a fixing frame, the top of the fixing frame is provided with the telescopic mechanism, the lower end of the telescopic mechanism is fixedly connected with a lifting frame, a two-way lead screw is installed in the lifting frame, the two-way lead screw is sleeved with a sliding block, and the lower surface of the sliding block is fixedly connected with a grinding motor; and a shaft extension end of the grinding motor is fixedly connected with an outer grinding roller, the rotating table drives a casting to rotate, the inner grinding roller grinds the inner wall of the casting, the outergrinding roller grinds the outer side wall of the cylindrical casting, the device can grind the inner side wall and the outer side wall of the cylindrical casting at the same time, and the working efficiency is improved.

The invention relates to the technical field of charging piles, in particular to a new energy charging pile with a take-up device. The new energy charging pile with a take-up device is characterized in that a support base is arrange at that bottom of the main body of the charging pile; as a split-up approach is adopted, a cable take-up assembly consisting of a mounting chamber, a motor, a take-uproller, a stopper, a through hole and a guide through hole is arranged inside the support base for fixing a charging cable and the end of the main body of the charging pile; the other end of the charging cable penetrates through the side wall of the support base to arrive at the outside of the support base, so that people can take up the charging cable through the cable take-up assembly; after thecharging cable is stretched outward for use, the charging cable is driven to take up; and as the mounting chamber is arranged in the support base, position limiting of the take-up roller and the stopper is carried out.

The invention discloses a silver nanowire electrode-based efficient flexible quantum dot light-emitting diode and preparation thereof. The silver nanowire transparent electrode-based flexible quantumdot light-emitting diode is characterized by comprising a flexible transparent cathode, an electron transport layer, a quantum dot light-emitting layer, a hole transport layer, a hole injection layerand a metal anode from bottom to top, wherein the flexible transparent cathode is a composite electrode formed by embedding silver nanowires into a flexible substrate. According to the silver nanowireelectrode-based efficient flexible quantum dot light-emitting diode, the smooth surface of a nano zinc oxide layer is obtained through improving the key parameters and conditions of a corresponding device preparation process and modifying the surface of the electrode by using nano zinc oxide, so that the electron transport property of the nano zinc oxide is ensured, the effect, of enhancing the light extraction efficiency of the flexible quantum dot light-emitting diode, of the silver nanowire flexible transparent electrode is brought into fully play, and the light-emitting efficiency of theflexible quantum dot light-emitting diode is effectively improved to the world leading level.