In continuous wave Doppler, the duty factor can reach which maximum value?

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Multiple Choice

In continuous wave Doppler, the duty factor can reach which maximum value?

Explanation:
Duty factor is the fraction of time the transducer is actively emitting ultrasound during the measurement. In continuous wave Doppler, the transmitter is on continuously and there is no off time between transmissions; the receiver is effectively always listening as well. Because the energy is present the entire time, the duty factor is 1, or 100%. The other options imply some off time in transmission, which does not happen in CW Doppler.

Duty factor is the fraction of time the transducer is actively emitting ultrasound during the measurement. In continuous wave Doppler, the transmitter is on continuously and there is no off time between transmissions; the receiver is effectively always listening as well. Because the energy is present the entire time, the duty factor is 1, or 100%. The other options imply some off time in transmission, which does not happen in CW Doppler.

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