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Using Near-field Diverse Wavelength, Ratiometric Differential Interferometry In the form of Low-Power 10-GHz to 25-GHz Microwave "Doppler" [*] RADAR |
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Hear Heart Sounds after Voltage to Frequency conversion hr.wav |
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CW "Doppler" [*] RADAR using GUNN Oscillator Varactor & Diode Detector (mixer) |
(Detected Heart Beat Waveforms) |
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One Embodiment, Schematic |
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