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In this paper, we discuss a new coastal tide collecting technology which is based on the integration of the CDMA Wireless network and GPS-RTK technology. With this new tide collecting technology, we can get the real-time tide level easily. At the same time, the FFT that is used for tide signal extraction is also discussed. Finally, its accuracy is verified by the experiment.
Geomagnetism reflects the material distribution of interior earth, and is used in many fields. In order to get actual geomagnetic change in marine by magnetometer observation, we study deeply the key techniques in geomagnetic data processing in this paper. Based on the theories, we develop the software for the marine geomagnetic data processing. The frameworks, running environments and application...
Underwater vehicle navigation technique is one of the important issues to the development and application of the long-range underwater vehicle technology. In order to meet the concealment of underwater navigation, we present a kind of independent underwater navigation system based on geomagnetic match technique in this paper. Firstly, we introduce the composition of the system, the work principles...
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