Imaging probes are characterized by which combination of pulse duration and bandwidth?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $9.99Unlock all

Prepare confidently for the Davies Publishing SPI Test. Engage with expertly crafted questions and explanations designed to enhance your test-taking skills. Get ahead of the game!

Multiple Choice

Imaging probes are characterized by which combination of pulse duration and bandwidth?

Explanation:
Imaging probes aim for high axial resolution, which comes from using short pulses. A short pulse in time can only be formed if the transmitter emits a broad range of frequencies, meaning a wide bandwidth. So the combination of a short pulse with wide bandwidth is what produces the sharp, well-resolved echoes along the beam axis. If the pulse were long, the waveform stretches out in time and the bandwidth narrows, reducing axial resolution. Therefore, probes are characterized by short pulse duration and wide bandwidth.

Imaging probes aim for high axial resolution, which comes from using short pulses. A short pulse in time can only be formed if the transmitter emits a broad range of frequencies, meaning a wide bandwidth. So the combination of a short pulse with wide bandwidth is what produces the sharp, well-resolved echoes along the beam axis. If the pulse were long, the waveform stretches out in time and the bandwidth narrows, reducing axial resolution. Therefore, probes are characterized by short pulse duration and wide bandwidth.

More Multiple Choice Questions
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy