Motion detector

Details Motion detector Motion detector

G - Physics

01

S

G01S 13/52 (2006.01)

Patent

CA 2470698

The present invention relates to a motion detector using the Doppler shift principle. The received signal may be a Doppler shifted version of a transmitted signal. Combining the phase and/or amplitude shifted version of the received signal and the signal from the local oscillator produces an IF signal that is indicative of the phase and/or amplitude shift.

Cette invention se rapporte à un détecteur de mouvements qui utilise le principe du décalage Doppler. Le signal reçu peut être une version à décalage Doppler d'un signal transmis. En combinant la version à décalage de phase et/ou d'amplitude du signal reçu et le signal provenant de l'oscillateur local, on produit un signal IF qui indique le décalage de phase et/ou d'amplitude.

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