Duty factor is determined by?

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Sharpen your skills for the Davies Publishing SPI Test with targeted flashcards and multiple-choice questions, complete with hints and clarifications. Prepare thoroughly for success!

Multiple Choice

Duty factor is determined by?

Explanation:
Duty factor is the fraction of time the transducer is actively transmitting. It comes from how long each pulse lasts (pulse duration) and how often pulses are sent (pulse repetition frequency). Multiply those two, and you get the duty factor. Both pulse duration and PRF are set by the sound source—the transmitter and pulser settings. The receiver gain or imaging depth don’t set how long the transducer emits; they affect image brightness or how deep you’re listening, not the emission time itself. So the duty factor is determined by the sound source.

Duty factor is the fraction of time the transducer is actively transmitting. It comes from how long each pulse lasts (pulse duration) and how often pulses are sent (pulse repetition frequency). Multiply those two, and you get the duty factor. Both pulse duration and PRF are set by the sound source—the transmitter and pulser settings. The receiver gain or imaging depth don’t set how long the transducer emits; they affect image brightness or how deep you’re listening, not the emission time itself. So the duty factor is determined by the sound source.

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