104results about How to "Improve data acquisition efficiency" patented technology

Embodiments of the invention disclose a data storage method and apparatus, and a data query method and apparatus. Each institution serves as a block chain node to form a block chain network. For any block chain node, on one hand, the block chain node can send data to an encryption device for performing encryption and receive encrypted data returned by the encryption device, the encrypted data is sent to each block chain node for consensus verification, and the encrypted data passing the consensus verification is stored in a block chain; and on the other hand, through an intelligent contract, the block chain node only can obtain the data in a permission range from the block chain.

The invention discloses a dynamic three-dimensional tunnel section deformation detection and analysis system, method and device. The method comprises the steps that a scanner is controlled to acquiretunnel section information and rail section information to acquire a point cloud data set; an inclinometer is controlled to acquire two-dimensional altitude data of a detection device; a total stationis controlled to acquire trajectory data of the detection device; the two-dimensional altitude data and the trajectory data are subjected to data synchronization integration on the basis of a synchronization signal to generate positioning information; a tunnel three-dimensional space information data set is generated according to the point cloud data set and the positioning information, and thendeformation analysis is conducted on a tunnel; and whether or not a boundary invasion phenomenon is generated is determined according to the point cloud data set and a preset boundary contour. According to the method, the three-dimensional space information data set can be quickly acquired in a short maintenance period to conduct deformation analysis and boundary invasion analysis on the tunnel, and the data acquisition efficiency is improved; and the data acquisition precision can be improved through joint movement of the scanner and a vehicle-borne platform, and then accurate evaluation on the safety state of the tunnel is achieved.

The invention provides a method and system for acquiring distributed data. The method includes the steps that 1, a daemon process is created; 2, the daemon process monitors whether or not message pushof original data exists; 3, if the message push of the original data is not monitored, the daemon process continues keeping a monitoring state; 4, if the message push of the original data is monitored, a plurality of sub-processes are created according to the theme type of the original data, and the daemon process allocates the original data to the corresponding sub-processes; 5, the sub-processes acquire the distributed data from the original data. By means of the method and system for acquiring the distributed data, the distributed data is acquired more conveniently and efficiently, and thesuccess rate is higher.

The invention discloses a dynamic three-dimensional tunnel section deformation detecting and analyzing system,method and device. The method comprises the steps that a scanner is controlled to collecttunnel section information and rail section information so as to acquire a point cloud data set; the scanner is located on a vehicle-mounted platform of a detecting device; an inertia navigator is controlled to acquire three-dimensional attitude data of the detecting device; a drive motor is controlled to acquire journey data of the detecting device; based on a synchronizing signal,data synchronism integration is carried out on the three-dimensional attitude data and the journey data,and locating information is generated; according to the point cloud data set and a tunnel three-dimensional space information data set generated by the locating information,deformation analysis is carried out on the tunnel. The dynamic three-dimensional tunnel section deformation detecting and analyzing system,method and device can quickly acquire the three-dimensional space information data set,carry out the deformation analysis on the tunnel,and improve the data acquiring efficiency in a shorter maintenance period. Through joint movement of the scanner and vehicle platform,data collecting accuracy is improved,therefore accurate estimation for tunnel safe states is achieved.

The invention discloses a data acquisition method, a data sending method, a host and an embedded memory, which are used for solving the problem of low data acquisition efficiency of the host in the prior art. The method provided by the invention comprises the following steps: obtaining an address mapping table stored in an embedded memory, wherein the address mapping table comprises a mapping relation between a target logic address and a target physical address; determining a target physical address corresponding to the target logic address according to the address mapping table; and acquiringdata of the target physical address. According to the scheme, electronic equipment such as a host and the like can directly inquire the target physical address through the obtained address mapping table, then data of the target physical address are obtained, and the situation that an embedded memory loads the address mapping table and inquires the target physical address corresponding to the target logic address is avoided. According to the scheme provided by the invention, the target physical address can be quickly determined according to the target logic address, so that the overall speed of obtaining the data of the target physical address is improved, and the data obtaining efficiency is improved.

The embodiment of the invention provides a method and device for ear diagnosis data collection based on image analysis. In one type of embodiment, the method comprises the steps that a user's ear image is acquired; a pre-stored ear feature sample base is input into a learning model for learning, a training model is obtained, and the ear image is searched according to the training model, so that position points of each auricular point in the ear image can be determined; and image features corresponding to the position point of each auricular point are acquired and compared with the preset pre-stored image features for analysis, so that the user's ear diagnosis data can be obtained.

The invention discloses a question and answer service method, a question and answer service system and a storage medium. The method comprises: determining keywords from a preset question group and corresponding preset answers, wherein the preset question group comprises at least one preset question; obtaining an associated word group of the keyword, the associated word group of the keyword comprising at least one associated word of the keyword; and generating an extended question group comprising at least one extended question by using the associated word group of the keyword. According to themethod, the associated phrases related to the keywords are acquired according to the keywords, and the extended problem group is generated by utilizing the associated phrases of the keywords, so thatthe data acquisition efficiency is improved, the data acquisition cost is reduced, the knowledge coverage is increased, and the manual workload is reduced.

The invention discloses a data transmission method and a data transmission device for a micro control unit (MCU) and a data transmission system for solving the problem of lower efficiency of reading data from an external memory element by the MCU in the prior art. The method comprises the following steps of: reading the data from a memory device through a serial port and storing the data in a cache, wherein the read data is converted from serialization to parallelism when the data is stored, and the serial clock frequency is higher than the parallel clock frequency; and determining a corresponding address in the cache of a specified address in the memory device of the MCU according to a corresponding relationship between a memory address of the cache and the memory address of the memory device, and then sending the data in the corresponding address to the MCU through a parallel port. The technical scheme of the invention can be used for improving the efficiency of accessing external memory devices by the MCU.

The invention relates to a land subsidence measurement technology, in particular to a monitoring method for land subsidence. The method comprises the following steps of: 1, SAR data selection, and preparation of external DEM and precision orbit data; 1.1, removing an interference phase component caused by topographic relief, and preparing external DEM data of a corresponding region; 1.2, acquiringprecision orbit data along with an SAR image; 2, processing of the SAR data; 2.1, data preprocessing, thus obtaining an SAR image which is focused data in a single-look complex format *.SLC, whereinthe SLC data comprises echo intensity and time delay information of SAR signals in each resolution unit on the ground; 3, data comparing and analyzing; 3.1, comparing an SAR data surface deformation result with a precise leveling result; and 4, determination of a new method: 4.1, supplementing field on-site monitoring points according to an InSAR image data interference analysis result.

The invention discloses a service packaging method based on webpage segmentation and a search algorithm, and the method comprises the following steps: a service extraction stage which comprises dynamic packaging and / or static packaging; aiming at the dynamic package, analyzing the dynamic webpage, marking possible forms in the dynamic form information obtained through analysis, and marking and defining required forms in the possible forms by a user; aiming at the static package, analyzing the static webpage, partitioning and marking the static form obtained through analysis, selecting and defining the needed partitioning by a user, and filling in the name and description information of the service and an extraction rule; and in the service calling stage, the user inputs related informationof calling the service, and the back-end system generates corresponding service according to the received related information of service calling and extraction rules and returns the corresponding service to the front end. According to the invention, the data acquisition efficiency of the user is greatly improved.

The invention discloses a data push method. The data push method comprises that when a service request is received from a user terminal, a CDN (content distribution network) node determines whether service data which the service request directs to is stored at present; when the service data, which the service request directs to, is not stored at present and includes a redirection URL (Uniform Resource Locator), the CDN node obtains service data not including the redirection URL on the basis of the redirection URL; the CDN node stores the service data not including the redirection URL as service data which the service request directs to, and sends the service data not including the redirection URL to the user terminal; and when the service data, which the service request directs to, is stored at present, the CDN node sends the service data, which the service request directs to, to the user terminal directly. The invention also discloses a data push device. The method and device can improve the data obtaining efficiency of the user terminal.

The invention provides a search method and apparatus. The search method comprises the steps of obtaining search conditions provided by a user; determining a data isolation level corresponding to the user; and performing a search according to the data isolation level corresponding to the user and the search conditions to obtain a search result. According to the search method and apparatus, the search result accordant with a user permission can be provided; the efficiency of obtaining required data by the user is improved; and the data security is ensured.