616results about How to "Save time resources" patented technology

The invention relates to the technical field of digital earth, in particular to a digital earth prototype system comprising a data receiving and fast processing sub-system, a metadata service sub-system, a model base sub-system, a space information database sub-system, a mesh calculation sub-system, a map application service sub-system and a virtual reality sub-system. With the adoption of the invention, it is able to construct a data resource sharing platform, a knowledge sharing platform, a computation resource sharing platform and a coordinated operation platform of the digital earth prototype system. Besides, with the establishment of the prototype system, the invention resolves relevant key technologies for the construction of a technology service platform for the application of space data and forms a service system for the application of space information in earth technology.

The invention provides an effective utilization time integrating method and a device for a filter screen in an air purifier. The effective utilization time integrating method comprises determining a current rotation speed of a fan in the air purifier according to air cleanliness to obtain an integrating weight ratio corresponding to the current rotation speed; calculating sustained utilization time of the fan when the fan rotation speed is the current rotation speed; and multiplying the sustained utilization time by the integrating weight ratio to obtain the effective utilization time. According to the method, the effective utilization time T of the filter screen can be obtained, so that the filter screen can be used furthest, and cost and time resources are saved. The method has the advantages that effects of fan speeds on the utilization time of the filter screen is considered, users are reminded reasonably to change the filter screen, and multiple defects in the prior art are overcome.

The utility model provides a interference clearance technique, so that the up-down-going link of the wireless communication can run via the same frequency and the time-slot, so as to improve the rate of spectrum utilization. When the up-down-going channel is under the common frequency and the time-slot, the down link will interfere the up-link, namely, the base station receiver in the sub-zone is interfered by the base station transmitter of the sub-zone and the base station transmitter of the adjoining sub-zone. The utility model delivers the undesired signals to the receiver through the wired communication. The receiver is arranged with a signal preprocessing unit, so as to remove the transmitter signal interference in the radio frequency. Such signal interference is from the air interface. In addition, the utility model provides an aerial distribution rule to reduce the direct interference of the transmitter to the receiver. The interference clearance method is suitable to the duplex system with the common frequency and time-slot, so as to greatly reduce the frequency resources and time resources.

The invention discloses a signal retransmission method based on the hybrid automatic repeat request (HARQ) technique in an orthogonal frequency division multiplexing (OFDM) system, which belongs to the field of wireless communication systems. The method comprises the following steps: firstly a transmitting terminal receives the re-transmission information from a receiving terminal, and then the transmitting terminal increases the density or intensity of a pilot signal in a transmission-side memorizer and then retransmits the signal. The signal retransmission method increases the signal transmission quality and the retransmission reliability of the broadband wireless communication system during the retransmission process, thereby reducing the retransmission frequency of the wireless communication system and saving time resources.

The invention provides a water surface optical visual image target area detection method based on gradient information fusion. The water surface optical visual image target area detection method based on gradient information fusion adopts two sliding window modes and calculates the longitudinal gradient and the transverse gradient of a water surface optical visual image. The information of the two gradients is fused, the position of an area is marked through a connected component detection method, and the target area is marked according to the final boundary of a target. The water surface optical visual image target area detection method based on gradient information fusion combines sea boundary area characteristics of the water surface image, respectively extracts target boundary information in the longitudinal gradient and the transverse gradient directions of the water surface optical image, determines the attribute of the sea boundary line and division of an image processing space, determines the area type attribute of the target boundary according to the fused information, and finishes scanning and classification of pixels according to the property of the boundary. As the water surface optical visual image target area detection method based on gradient information fusion fuses the information in the two gradient directions by combining the characteristics of the sea boundary lines, reduces the range of the processing area, reduces influence from noise, avoids calculation and processing of the whole image space, and saves calculation time.

The invention relates to a mechanical seal online monitoring system which comprises a data processing unit, a detection unit and a user terminal, wherein the detection unit is connected with the data processing unit; and the detection unit comprises an I / O (Input / Output) module, and a motor rotating speed sensor, a current sensor, a radial vibration sensor and a noise sensor which are connected with the I / O module. In the system, acquired data is subjected to the multivariable statistics process monitoring by the data processing unit, so that the indirect monitoring for the mechanical seal operation condition is realized and an early warning signal can be given in the fault early phase of the mechanical seal, and thus, a production accident is avoided, the loss of raw materials, equipment and other aspects of an enterprise is reduced and the possibility is provided for detection of the mechanical seal state and failure prediction. Meanwhile, the equipment is checked by the monitoring system without shutting down, so that compared with the prior art, a great amount of time and human resources are saved and the production efficiency of the enterprise is improved.

The invention discloses a wireless relay communication system SWIPT (Simultaneous Wireless Information and Power Transfer) method. The time and power distribution scheme of a wireless power supply relay communication system under the requirements of certain service quality and interrupt performance saves the time and energy resources, and is suitable for wireless communication. When the system is in operation, a transmitting end transmits energy and signals to a relay network. After given time, the relay network decodes the received signals and transmits the signals to a receiving end through employing a part of received energy. Through a derived system interrupt probability progressive expression and a simulation result in a flat Rayleigh fading channel, the method designs the distribution of time and power factors. The method can remarkably save the time and energy resources.

The invention provides a washing machine and an automatic control method thereof. The method comprises the following steps: a, receiving instructions input by a user through a start button; b, allowing the washing machine to be in a weighing mode according to the instructions so as to acquire the weight of clothes in a cylinder, wherein the weighing mode is connected in parallel with a motor; and c, determining the water level and washing mode correspondingly according to the weight obtained, and controlling the washing machine to perform washing. According to the washing machine and he automatic control method thereof provided by the invention, the automatic washing of clothes can be realized only through a button, the automation degree is higher, the purposes of energy conservation and environmental protection are achieved. Besides, the control method is simple, a washing machine operation interface is simple, and the time is saved.

The embodiment of the invention provides a graph data searching method and device. The method comprises the following steps that inquiry requests are obtained, wherein the inquiry requests include inquiry conditions carrying starting graph nodes, and the inquiry requests are used for inquiring first graph nodes to be inquired matched with the inquiry conditions in an inquiry graph data set; the association relationship including the second graph nodes to be inquired and the second graph nodes to be inquired not meeting the inquiry conditions in the graph data set are filtered according to the inquiry condition and the preset available resource condition, so that a stipulation sub graph is obtained; the stipulation sub graph includes initial graph nodes, the first graph nodes to be inquired matched with the inquiry condition and the association relationship between the initial graph nodes and the first graph nodes to be inquired; the stipulation sub graph is inquired through the inquiry conditions to obtain the first graph nodes to be inquired. The method provided by the invention has the advantages that the graph data searching efficiency is improved, and in addition, memory resources and time resource of a computer are saved.

The invention relates to an automatic focusing method of a digital camera; the main program of the automatic focusing method thereof comprises the following steps: step one: the connection end of a lens hardware is defined for determining the circulation of control signals; step two: the position of the lens is initialized; step three: large-step overall scanning is carried out; step four: the optimal evaluation function value of a first focusing window is obtained; step five: the embedded focusing window is converted by a short-step scanning; step six: whether the position for the largest value of the evaluation function is reached is judged; if the position for the largest value of the evaluation function is reached, step seven is then carried out; if not, the step five is carried out again; and step seven: the optimal position is determined and the search is ended. By using the automatic focusing algorithm which is designed by the method of the invention, precise focusing can be realized by quickly switching the focusing windows, moreover, as the design for a golden section point nested focusing window greatly accelerates the search speed of the optimal focusing position and the imaging aesthetics need is also greatly met, the rapid focusing aesthetic imaging performance of consumption-typed cameras is really achieved.

The invention discloses a connection management method. Via the method, when the state of a terminal is switched, it is not required to send a state switching signaling message to a core network of a base station, and instead, network side equipment determines that the terminal is in an idle state when there is no uplink and downlink data transmission and a first timer is overtime; and the realization complexity of a system is reduced, and time and communication resources are saved. The method comprises that when the terminal is in a power-saving state, the terminal determines whether the first timer exceeds a preset threshold, and if YES, the terminal is switched from the power-saving state to the idle state; the terminal does not sends a state change notification to the network side equipment, and according to change from the power-saving state to the idle state of the terminal, an update TAU message of a tracking position area is sent to the network side equipment; and the terminal receives downlink data from the network side equipment.

The invention provides an information preview method of flexible screen equipment, and the flexible screen equipment. The method comprises the steps that (S110) at least two sensors are disposed on relative positions of the flexible screen equipment, and bending direction information of the flexible screen equipment is acquired; (S120) when a judgment result indicates that the bending direction information is located in a preset direction, information of a to-be-displayed document in a display area will be extracted to generate a preview picture; and (S130) the size of the preview picture is adjusted according to the bending direction information, and a preview picture obtained after adjustment is displayed. According to the invention, the at least two sensors are disposed at relative positions of the flexible screen; with data collected by the at least two sensors, the bending direction information aiming at the flexible screen can be judged more effectively and accurately; and the preview picture can be adjusted according to the bending direction information, so a user's browsing habit of previewing information with the flexible screen equipment can be satisfied better.

A method, device and host for updating metadata stored in columns in a distributed file system, the method comprising: obtaining the metadata to be updated in a data table in the distributed file system; segmenting the data records in the data table by row into a plurality of row groups; converting the data table to one global file metadata and a plurality of row group files (110), the row group files comprising actual data blocks, data index blocks, local metadata blocks, metadata index blocks and file footers; determining whether the metadata to be updated belongs to the global file metadata (120); if not, then updating the local metadata (130); adding the updated local metadata blocks, the metadata index blocks and the file footers to the a plurality of row group files according to the updated local metadata(140). The method realizes dynamic updating of the metadata, greatly saves the execution time of such updating operation and the required calculation resources.

The invention discloses a circuit for rapidly capturing a long period pseudo random spread spectrum code of a satellite navigation receiver and a capturing method thereof. The circuit comprises: a data preprocessing module, a sampling data control module, a frequency mixing module, a local spread spectrum code generation module and a single capturing engine. The single capturing engine comprises:a local spread spectrum code memory, a first stage coherent integral module, a first stage coherent data memory, a second stage coherent integral module, a third stage incoherent integral module and a threshold control comparison module. An output terminal of the data preprocessing module is connected with an input terminal of the frequency mixing module through the sampling data control module. The output terminal of the frequency mixing module is connected with one input terminal of the first stage coherent integral module. The local spread spectrum code generation module is connected with another input terminal of the first stage coherent integral module. The circuit of the invention has the following characteristics that: integral gain is high; an anti-electromagnetism interference ability is strong; a capturing sensitivity is high; capturing precision is high; a capturing false alarm rate is low; a capturing speed is fast; reliability is high. And there are many other characteristics.

The invention discloses a method for extracting compressed video key frames. The method includes: firstly, extracting color characteristics of a video from a DC coefficient, then extracting characteristics of edges, textures and the like of an AC coefficient and normalizing different values by means of a Gaussian model to obtain fusion characteristics, so that complete characteristic similarities are obtained to improve representativeness and increase the accuracy rate of the key frames; and then establishing a curve by the aid of the complete characteristic similarities, and performing curvature detection for the curve for twice so as to extract the key frames. By the method, the key frames capable of reflecting main contents of the video can be accurately extracted, and the defect of incomplete video content descriptions by using DC coefficient characteristic information only is made up. Moreover, automatic extraction of the key frames is realized by means of two-time curve detection, and artificial determination of the amount of the key frames is avoided.

The invention provides a method for indicating a user terminal to resolve the conflict of uplink resource configuration generated in the dynamic uplink and downlink configuration process in a base station of a TDD (Time Division Duplex) system. The method comprises the following steps of judging whether a first uplink and downlink configuration mode is needed to be adopted in a first wireless frame or not and a second uplink and downlink configuration mode is needed to be adopted in a second wireless frame adjacent to the first wireless frame or not, wherein the uplink resource configuration corresponding to an uplink subframe to be scheduled in the second wireless frame is positioned on a conflict subframe of the first wireless frame, and the conflict subframe is an uplink subframe or a subframe which is unavailable for bearing uplink resource configuration information; when the first uplink and downlink configuration mode is needed, adopting a first remapping mode, wherein the remapping mode means that the uplink resource configuration corresponding to the uplink subframe to be scheduled is remapped to an effective downlink subframe in front of the uplink subframe to be scheduled, and the effective downlink subframe can be used for bearing the uplink resource configuration; sending a reconfiguration message to the user terminal for indicating the user terminal to adopt the second uplink and downlink configuration mode.

The present invention provides an information interaction system of digital control processing workshop, wherein the information interaction system comprises an information interaction server, manufacturing executing software which is disposed on the information interaction server, and an information alternation terminal provided with a touch display screen. The manufacturing executing software realizes the information alternation. The manufacturing executing software comprises a data collection and information interaction module, a work order management module, a technical data management module, a pattern browsing and program transmission control module and a data statistics analysis module. The system can automatically display the work order and technical data on the information interaction terminal of each station in the production field dynamically according to the device number and employee number of operator. The operator can browse the technical data, download the digital control processing program and quickly collect the production data through the information interaction terminal. The invention realizes the dynamic transmission of field production information and quick collection of production data in the digital control processing workshop. The real-time implementation of workshop production control is increased. The quick response capability and production efficiency of production process of digital control workshop can be greatly increased.

Embodiments of the invention provide an official account management method and device, relate to the technical field of communication, and can solve the problems, which occur when official accounts are maintained one by one in the prior art, that working efficiency is low and a mistake occurs easily. According to the specific scheme, an official account management structure is a tree structure, the lowest-layer nodes are leaf nodes, any leaf node comprises at least one official account, any non-leaf node has a business setting authority and a setting management authority, a management server receives a first setting request sent by any non-leaf node, each first setting request is used to request business setting for the official accounts in a first official account set, the first official account set is a set of the official accounts of the leaf nodes in descendant nodes of the non-leaf nodes, and a setting instruction is generated according to the first setting request and is sent to an application server of the official accounts so that the application server sets business for the official accounts in the first official account set according to the setting instruction. The official account management method is used to manage the official accounts.

The invention discloses a low-decoding complexity rate matching polarization code transmission method based on a QUP method, and belongs to the technical field of the channel coding / decoding. The method comprises the following steps: step one, determining a punch position and a punch parameter; step two, constructing an information sequence; step three, performing polarization coding, and outputting a coding sequence; step four, outputting the punched coding sequence according to the punch parameter determined in the step one; step five, sending the coding sequence punched in the step four one bit by one bit by a sending end; step six, receiving the coding sequence sent in the step five through channel transmission by a receiving end; step seven, optimizing a decoder structure according to the punch parameter determined in the step one, and outputting the optimized SC decoder; and step eight, performing polarization code decoding by using the SC decoder optimized in the step seven. By using the method disclosed by the invention, the spatial complexity and the time complexity of the polarization code decoding are effectively lowered, and the saved time and time source is increased along the increasing of the punch number.

The invention provides a scheduling method and system, access points and stations, and relates to the field of communications. The scheduling method comprises the following steps: a. the stations monitor a first beacon frame which includes a DTIM for indicating the beacon periods distributed to each group of stations in the current scheduling period; b. the beacon periods distributed to the stations in the current scheduling period are confirmed according to the DTIM included in the first beacon frame; c. the stations monitor a second beacon frame which includes a scheduling message for indicating the data transmission time frames of each group of stations in the frame period distributed to the stations, wherein at least one group of stations include two stations; d. the stations transmit data in the time frame distributed to the group of the stations according to the indication of the scheduling message in the current beacon period when data transmission is needed. By means of the scheduling method and system, the utilization rate of the time frames is improved, time resource is saved, and transmission efficiency is improved.

The invention discloses a method and a device for upgrading client-side applications. The method comprises the following steps: comparing a high-version file of a specified application with a client-side low-version file of the specified application accurately to binary system to obtain binary system difference information; and saving the binary system difference information in an increment file; and sending the increment file to the client so that the client upgrades the specified application to the high version from the low version. The binary system difference information generated by comparing the high version with the low version is far smaller than the size of incremental upgrading data in the prior art, and therefore, the size of the increment file needed by upgrading the application in the method is far smaller than the size of the increment file in the existing incremental upgrading technology; as a result, data can be saved during downloading and the time and device resources of a user also can be saved during installation.

The invention provides a method and client for playing a video by selecting corresponding video progress through a picture. The method comprises: presenting one or more than one feature picture corresponding to the video in a display interface for a user to browse; based on a certain feature picture browsed by the user, receiving an instruction from the user for selecting the video progress corresponding to the feature picture to start playing, and linking to the playing progress corresponding to the feature picture in the video; and starting to play the video from the playing progress linked by the selected feature picture. By using the method and the client provided by the invention, a video clip which the user wants to watch can be accurately positioned.

The invention discloses a method for realizing video preview and retrieval, which comprises the following steps of: setting a buffer sequence with variable length; extracting a video file and processing the video file to obtain an image; detecting a scene lens in the obtained image and a key frame of the scene lens, and storing the detected scene lens and the detected key frame into the set buffer sequence with the variable length; and extracting the scene lens and the key frame from the buffer sequence with the variable length, matching and comparing the scene lens and the key frame with a specified target image, and performing the video retrieval. The invention also discloses a mobile terminal for realizing the video preview and the retrieval. According to the technical scheme of the invention, content preview and quick retrieval of the video file are realized in the mobile terminal with relatively limited processing capability and memory resource.

The invention discloses an ERP software automated testing system. The ERP software automated testing system comprises an initialization module, a use case analysis module, a form processing module, a test scheduling module, an error monitoring module and a report integration module. The initialization module is used for reading configuration file information. The use case analysis module is used for loading test use cases according to the configuration file information and analyzing and testing test logic between an involved ERP form and various forms. The form processing module is used for loading and testing the involved ERP form and acquiring test objects and data in the form. The test scheduling module is used for scheduling the needed test objects and data for testing according to the test logic between the forms. The error monitoring module is used for monitoring and testing abnormal conditions in the scheduling execution process and determining whether to carry out processing or not, if yes, corresponding processing is carried out; and if not, the test objects and data in the last testing node is tested again. The report integration module is used for automatically generating test reports and distributing the reports to related interfaces according to the test results of the test scheduling module and combined with the abnormal conditions monitored by the error monitoring module.

The invention discloses a method and system for performing curve processing on video hot degree. The method includes the following steps that: after a video is divided into a plurality of time segments with the same time interval according to overall time displayed on a playing rolling bar, the accumulative values of dragging behaviors of users in each time segment are put into statistics; when the accumulative value of the dragging behaviors of the users in a certain time segment achieves a preset statistic threshold value, the percentage values of hot degree points corresponding to each time segment are determined according to the statistic threshold value and the accumulative values of the dragging behaviors of the users in each time segment; and in a coordinate system formed by an X axis which is represented by the overall time of the video and a Y axis which is represented by the percentage values, points corresponding to the hot degree points are marked and are connected together so as to form a curve characterizing the hot degree of the video. With the method and system of the invention adopted, the problem of incapability of an existing video hot point determining method to actually reflect actual video hot points of videos under a network environment can be solved.

The invention provides a method and a system for playing a video in groups. The method comprises the steps of performing grouping processing on each complete video to divide the complete video into a plurality of groups of sub-videos having different starting moments in the complete videos, generating a characteristic image and / or a video description information for each group of sub-videos, sorting all the characteristic images and / or the video description information according to the starting moments so as to generate a browsing interface on which a user can browse the characteristic image and / or the video description information corresponding to each group of sub-videos, and providing trigger portals for the user to select to play the corresponding sub-videos on the browsing interface so that the corresponding sub-videos can be invoked and played. The method and the system for playing the video in groups have the advantage that a video clip which the user wants to watch can be accurately positioned.

The invention provides a wide and narrow orthogonal pulse compensation method for pulse radar. A pair of a wide pulse and a narrow pulse which are subjected to orthogonal modulation is emitted for each pulse repeated period, and then an accepting state is switched to; the wide pulse is in the front and the narrow pulse is at the rear in the pair of the wide pulse and the narrow pulse; and in the accepting state, an echo signal of the wide pulse and an echo signal of the narrow pulse, which are overlapped in time, are separated, by means of matching filers corresponding to the wide pulse and the narrow pulse respectively. According to the wide and narrow orthogonal pulse compensation method, after the wide pulse is emitted, the narrow pulse is directly emitted, receiving time of wide pulse echo is not required to be reserved, and the time interval of each pair of the wide pulse and the narrow pulse is zero or extremely short so that precious time resources are saved and not used, and additional time expenses are avoided.

The invention relates to an evaporation device and an evaporation method, and belongs to the technical field of vacuum evaporation. The evaporation device comprises a basal plate, an evaporation cavity and a corrugated pipe; an evaporation source is arranged in the evaporation cavity, and the side wall of the evaporation cavity is provided with two limiting plates; and the basal plate is arranged right above the evaporation source, and the corrugated pipe is arranged on the bottom of the evaporation cavity. The bottom of the evaporation cavity is provided with the corrugated pipe, the evaporation cavity is driven to move up and down by virtue of the rotation of the corrugated pipe, so that the relative height between the evaporation source and the limiting plate is changed, modification on the evaporation device is not needed, the evaporation condition of different organic materials can be satisfied, and not only can the device flexibility be obviously improved, but also the time and resource consumption can be saved.