SPI Doppler
Liberty University
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SPI Doppler| 63 QUESTIONS| WITH COMPLETE SOLUTIONS
- Exam (elaborations) • 7 pages • 2023
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Doppler Shift CORRECT ANSWERS: Doppler Frequency - A change or variation in the frequency of sound as a result of motion between the sound source & the receiver. 
= received frequency - transmitted frequencies 
 
Positive Doppler Shift CORRECT ANSWERS: Reflected frequency is higher than transmitted. Approaching transducer 
 
Negative Doppler Shift CORRECT ANSWERS: Reflected frequency is less than transmitted. Moving away from transducer 
 
Demodulation CORRECT ANSWERS: Extracts the Doppler ...
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