TSUNAMI MONITORING SYSTEM

A tsunami monitoring system {1, 1A, 1B, 1C, 1D, 1E, 1F, 1G, 1H includes a transmitting antenna configured to radiate a transmission signal to detect a tsunami {7) as a radio wave toward a sea (4), and a receiving antenna configured to receive reflected waves reflected by the tsunami (7) as a receivi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NAGANO, TAKAFUMI, KAWAI, TAKASHI, ISONO, TAIZO, ISHIKAWA, HIROAKI
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GYROSCOPIC INSTRUMENTS LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SURVEYING TESTING WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:	A tsunami monitoring system {1, 1A, 1B, 1C, 1D, 1E, 1F, 1G, 1H includes a transmitting antenna configured to radiate a transmission signal to detect a tsunami {7) as a radio wave toward a sea (4), and a receiving antenna configured to receive reflected waves reflected by the tsunami (7) as a receiving signal. The tsunami monitoring system (1, 1A, 1B, 1C, 1D, 1E, 1F, 1G, 1H) includes signal generator means configured to generate the transmission signal having a predetermined frequency, a signal processor portion {9) configured to generate a beat signal of a frequency difference between the transmission signal and the receiving signal, and a wave height estimator portion {11, 11A, 11B, 11C, 11D, 11E, 11F, 11G) configured to divide a radio wave radiation region {40) into a plurality of regions, calculate a flow velocity of a sea surface (3) of the tsunami for each region (40) on the basis of the beat signal, and estimate a wave height of the tsunami {7) from a calculated flow velocity.