A Tidal Forecasting Device Based on Satellite Positioning System

Abstract

The invention discloses a tide forecasting device based on a satellite positioning system. The device comprises a satellite positioning unit, a tide forecasting unit and a data transmission unit; a tide harmonic constant used for tide forecast is calculated and obtained by a two-dimensional tidal wave adjoint assimilation model. Firstly, the device performs real-time positioning of a GPS or request positioning of Beidou through the satellite positioning unit, detects and analyzes positioning information and transmits the positioning information to the tide forecasting unit; then real-time tide forecast is performed on a position through a tide calculation program according to the satellite positioning information and the tide harmonic constant data stored in the tide forecasting unit; finally, forecast data is outputted through a serial data interface of the data transmission unit. The tide forecasting device disclosed by the invention fills up the blank that no scientific and practical tide forecasting device exists in the market and can realize the function of scientifically forecasting arbitrary positions on the sea and tides at any time and achieve the purpose of providing real-time tide forecasting service for shipping, production, marine surveying and mapping and the like.

Description

technical field [0001] The invention relates to the fields of marine monitoring technology and resources and environment, in particular to a tide forecasting device based on a satellite positioning system. Background technique [0002] Real-time and accurate tide forecasting is of great significance for shipping, production, and oceanographic mapping. The tide will change the water depth of the navigation area, which will affect the economy and safety of the ship's navigation: in terms of shipping, some waterways and harbors can only sail and enter and leave the port before and after high tide; In terms of production, coastal fisheries, aquaculture, agriculture, salt industry, resource development, port engineering construction, environmental protection, and tidal power generation all require mastering the characteristics and laws of tidal changes. [0003] Tides have a crucial impact on multi-beam bathymetry, which is a high-efficiency, high-precision and high-resolution s...

AI Technical Summary

Problems solved by technology

Existing tidal forecast data products such as tide tables can only forecast the daily tidal conditions of some coastal locations in a certain period of time in the future, and cannot forecast the tidal conditions at any location and at any time. Real-time acquisition is required for shipping, production, and marine surveying and mapping. The tidal demand for the location of the area of ​​interest cannot be met

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