Wavelength Division Sensing Method and Apparatus for Doppler Radar Vital Sign Monitoring and Mechanical Vibration Monitoring
First Claim
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1. A system for non-contact vibration monitoring, comprising:
- at least two radio frequency (RF) transmitters for transmitting RF signals of a corresponding at least two wavelengths toward a target;
at least two RF receivers for detecting reflected RF signals that are reflected by the target; and
a processor for extraction of vibrational information regarding the target from the detected reflected electromagnetic signals.
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Abstract
Embodiments of the present invention provide a method and a radar system incorporating multiple carrier wavelengths. A multi-carrier radar method and system according to the present invention can be used to realize sensing of complex pattern vibrations using a wavelength division sensing technique.
33 Citations
45 Claims
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1. A system for non-contact vibration monitoring, comprising:
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at least two radio frequency (RF) transmitters for transmitting RF signals of a corresponding at least two wavelengths toward a target; at least two RF receivers for detecting reflected RF signals that are reflected by the target; and a processor for extraction of vibrational information regarding the target from the detected reflected electromagnetic signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method for non-contact vibration monitoring, comprising:
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transmitting at least two RF signals of a corresponding at least two wavelengths toward a target; detecting at least two reflected RF signals that are reflected by the target; and processing the detected at least two reflected RF signals to extract vibrational information regarding the target. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
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Specification