What is the time between the beginning of one cycle and the beginning of the next cycle?

What is the time between the beginning of one cycle and the beginning of the next cycle?

• A. PRF
• B. PRP
• C. Pulse duration
• D. Rarefaction

Answer: (B)

Pulse Repetition Period is the time between the start of one cycle and the start of the next. It represents the total time from the beginning of one transmitted pulse to the beginning of the next transmitted pulse, including the emission time and the listening (receive) time for echoes. Depth affects PRP because deeper imaging requires the sound to travel farther and back, lengthening the listening interval and thus the PRP. The pulse repetition frequency is the reciprocal of the PRP, meaning more time between cycles results in fewer pulses per second. The other terms are distinct: pulse duration is the length of time a single pulse lasts, and rarefaction is a phase of the wave when particles move apart, not a timing interval.

Pulse Repetition Period is the time between the start of one cycle and the start of the next. It represents the total time from the beginning of one transmitted pulse to the beginning of the next transmitted pulse, including the emission time and the listening (receive) time for echoes. Depth affects PRP because deeper imaging requires the sound to travel farther and back, lengthening the listening interval and thus the PRP. The pulse repetition frequency is the reciprocal of the PRP, meaning more time between cycles results in fewer pulses per second. The other terms are distinct: pulse duration is the length of time a single pulse lasts, and rarefaction is a phase of the wave when particles move apart, not a timing interval.