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Robot navigation system and navigation method

The utility model discloses a robot navigation system and a navigation method. The robot navigation system comprises a navigation network which is formed by a plurality of wireless access points, a wireless communication module which is used for transferring data and collecting the intensity sequence communicated with the wireless access points, a sensor which is used for checking that the robot meets barriers or not, and a position server which is used for storing the referenced intensity sequence and running the intricate position arithmetic, and is characterized in that the position server is connected with the wireless communication module and interacts with the navigation network. The navigation method is characterized in that the robot judges the next target position until reaches the destination by comparing the intensity sequence collected in real time with stored reference intensity sequence of the position points; when the robot meets barriers, the robot records and demarcates the intensity sequence of the position in order to avoid entering the position again, therefore achieving intellectual learning; the robot can upload the correlative information to the position server and achieve the assistant navigation position by the help of the database of the position server and the position arithmetic. The utility model is not likely to be affected by the environment and also has the advantages of low cost of maintenance.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

Farmland information real-time acquisition system, device and method based on remote monitoring

The invention discloses farmland information real-time acquisition system, device and method based on remote monitoring. In the system, an environmental parameter acquisition front end is used for outputting a multipath environmental element parameter signal acquired in real time to a data acquisition device through each environmental element sensor; a video image acquisition front end is used for outputting an image signal which is shot in real time to the data acquisition device through a camera; the data acquisition device is used for processing the input multi-path environmental element parameter signal and video signal, packaging the generated multi-path environmental element parameter signal and video signal into a path of information and waiting to upload the information to a remote service end and/or a client; and a power equipment is used for providing a work power supply for the data acquisition device. By organically combining information of farmland environment, growth condition of crops and the like, the invention provides visual and credible reference information for agricultural experts, deciders, agricultural producers and the like to make decisions and measures.
Owner:INST OF ENVIRONMENT & SUSTAINABLE DEV IN AGRI CHINESE ACADEMY OF AGRI SCI +1

Deforming statistical map based multi-view spatio-temporal data visualization method and application

ActiveCN106354760AAvoid the problem of incomplete attribute displayAvoid data distributionNatural language data processingGeographical information databasesData displayStatistical analysis
The invention discloses a deforming statistical map based multi-view spatio-temporal data visualization method and application. Spatio-temporal data having geography and time attributes is visualized by adopting a method of multi-view and multi-tag mixed layout formed by combining a traditional map, a statistical map, time axis and a pie chart, a bar graph, a bubble chart and a Nightingale rose diagram in a statistical chart, and the dissymmetry problem of data distribution and space utilization of a traditional map visualization method and the problem that the attributes of multi-dimensional data display are not comprehensively displayed are avoided. A user can be helped to understand all the aspects of data from multiple perspectives, meanwhile a classic visualized statistic analysis chart, the map time axis and the like are combined, so that data display is specific and vivid. The deforming statistical map based multi-view spatio-temporal data visualization method can be applied to the fields of data visualization of microblogs, WeChat, demographic statistics, infectious disease distribution, elector distribution and the like, and visualization and visual analysis conducted on the data having the time relation of spatial distribution are achieved.
Owner:BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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