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112 results about "Data compilation" patented technology

Method for depicting electronic navigation map and server

ActiveCN102141406ADeduplication processing to avoidSolve the problem of hogging processing resources on the navigatorInstruments for road network navigationData compilationElectronic navigation
The invention discloses a method for depicting an electronic navigation map and a server, wherein the method comprises: in the processing process of data compilation of the electronic navigation map, the server carries out repetition removal processing on the interest point data of the electronic navigation map according to a preset strategy; and the server carries out data compilation on the electronic navigation map subjected to repetition removal processing. By using the method disclosed by the invention, the operation of transferring the repetition removal processing on the interest pointdata to the high-performance server can be performed before data compilation, i.e., before the data is compiled into PSF (physical storage format) data, the repetition removal processing on the interest point data is completely finished, so that a navigator can directly carry out map depicting after the PSF data is loaded, therefore, a large amount of repetition removal processing carried out on the interest point data by the navigator can be avoided, the problem that the repetition removal processing on the interest point data occupies numerous processing resources in the navigator is solved, and the smoothness of map depicting and display on the navigator can be effectively improved.
Owner:NAVINFO

Fully-digital high-precision three-dimensional flux leakage signal acquisition device

The invention discloses a fully-digital high-precision three-dimensional flux leakage signal acquisition device, which comprises more than three three-axis magnetic field sensors, wherein the signal output of the three-axis magnetic field sensors is connected with the input of an FPGA (field programmable gate array); the output of the FPGA is connected with the input of a master control chip; the output of the master control chip is connected with a USB (universal serial bus) interface which is used for transmitting data through an external cable. According to the device, the number of the three-axis magnetic field sensors can be regulated according to the size of a detected object, so that different detection precision requirements are well met; the FPGA has rich IO (input / output) interfaces, and has a relay function of data compilation and transmission, and the parallel access requirement of a plurality of paths of data can be met; a USB mode is adopted for the data transmission of the master control chip, so that high transmission speed and low interference rate are ensured; the device has the advantages of high spatial precision and synchronous acquisition of a plurality of paths, and is high in anti-interference capability and detection precision, simple in structure and easy to use.
Owner:TSINGHUA UNIV

Endangered wildlife habitat suitability distinguishing method based on GIS

The invention discloses an endangered wildlife habitat suitability distinguishing method based on a GIS. The endangered wildlife habitat suitability distinguishing method includes the steps of firstly, determining the endangered wildlife required to be studied in a nature protection area, researching the nature and humanity conditions of the nature protection area and the life habits of the endangered wildlife, then carrying out outdoor data collection and space data compilation, selecting the nature factors and the human factors having great influences on the endangered wildlife, being free of the need to obtain the area where the endangered wildlife moves and appears in advance, building an ecological niche model based on the GIS, quantizing the habitat suitability, and dividing the habitat into the high-suitability habitat, the middle-suitability habitat, the low-suitability habitat and a non-suitability area. According to the endangered wildlife habitat suitability distinguishing method based on the GIS, wide-range suitable endangered wildlife habitat distinguishing can be achieved, limited manpower and material resources can be developed to the greatest degree, and therefore the wildlife habitat protection efficiency and the wildlife habitat protection benefits are improved. The method for calculating the wildlife habitat suitability is disclosed, the area which is required to be preferentially protected in the nature protection area can be visually reflected, and building, construction and management on the nature protection area are guided.
Owner:BEIJING NORMAL UNIVERSITY
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