Data collection system based on satellites

A data collection and satellite technology, applied in the field of satellite-based data collection systems, can solve the problems of insufficient satellite reception capacity, large transmission power, system structural obstacles, etc., to achieve fast and reliable data collection, improve implementation, and simplify production. Effect

Inactive Publication Date: 2012-10-17
NEC CORP +1
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Problems solved by technology

[0003] However, in conventional data collection systems using satellites, only signals transmitted from the area covered by the satellite antenna can be detected, and there is a disadvantage that the position of the buoy equipped with the sensor cannot be identified.
In addition, due to the lack of satellite reception capability, a large transmission power is required on the buoy side, which becomes an obstacle in the system structure and increases the cost due to the increase in size of the buoy

Method used

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Embodiment Construction

[0021] The data collection system according to the present invention receives sensor signals from earth environment observation sensors (environment observation sensors) installed in oceans, mountains, etc., through a large mirror antenna with excellent reception performance mounted on a communication satellite. Satellites transmit received sensor signals to ground stations. In the ground station, in addition to the earth environment observation data contained in the received signal, it is also based on the position information of the earth environment observation sensor obtained through GPS positioning, the GPS time when the observation data was acquired, etc., to collect useful and effective observation data. That is, the environmental observation data is acquired as data corresponding to the position information of the equipped earth environment observation sensor and the data acquisition time information.

[0022] In addition, as the sensor signal, it is not necessary to ...

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Abstract

The invention provides a data collection system based on satellites. The data collection system which has reflector antennas with outstanding receiving performances equipped on satellites can effectively collect observation data from environmental observation sensors equipped in oceans and mountains, etc. Apart from the function of observing predetermined environmental data, the environmental observation sensors also have receiving and sending functions similar to that of a GPS portable terminal with the similar size. The data collecting system can acquire environmental observation data as data corresponding to the position information from the environmental observation sensors.

Description

technical field [0001] The present invention relates to satellite based data collection systems. Background technique [0002] In the collection of environmental observation data on mountains, oceans, etc., the environmental observation of the ocean has so far performed data collection based on transmission signals from various sensors installed in large buoys or the like placed in the ocean. As a conventional system for realizing such data collection, there is a data collection system using satellites (Patent Document 1). In this data collection system, a signal transmitted from a sensor installed in a buoy is relayed by a satellite and transmitted to a ground station. The ground station receives and collects data from satellites, and analyzes / analyzes the collected data. [0003] However, in conventional data collection systems using satellites, only signals transmitted from areas covered by satellite antennas can be detected, and there is a disadvantage that the positio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08C17/00G01D21/00H04B7/185
CPCG01S19/01G06Q50/10H01Q17/001H04B7/185
Inventor 小石洋一塚岛隆辻畑昭夫
Owner NEC CORP
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