Multibeam sounder

The sounder according to the invention comprises two transmit/receive antennas (1, 10), the respective axes of which are off-aimed to the front, in the direction of movement of the platform, these axes being symmetrical with respect to a straight line (3) passing through their intersection and paral...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KOPP, LAURENT
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	The sounder according to the invention comprises two transmit/receive antennas (1, 10), the respective axes of which are off-aimed to the front, in the direction of movement of the platform, these axes being symmetrical with respect to a straight line (3) passing through their intersection and parallel to the direction of advance of the platform, the transmit frequency of the first antenna, equal to the receive frequency of the second, being different from the transmit frequency of the second, this latter frequency being equal to the receive frequency of the first antenna.