Utilizing multiple focal zones simultaneously increases image detail resolution and degrades ________.
A) contrast resolution
B) temporal resolution
C) sectional thickness
D) harmonic frequencies
Correct Answer:
Verified
Q51: Continuous-wave (CW) transducers have higher efficiencies because
Q52: Axial resolution is the _.
A) minimum separation
Q53: If the aperture increases,the near-zone length _.
A)
Q54: The operating frequency depends on the element
Q55: Many frequencies are present in short pulses.
Q57: Damping material in pulsed transducers increases the
Q58: With a linear phased array transducer,the elements
Q59: The near-zone length decreases with an increase
Q60: Lateral resolution remains consistent at any depth.
Q61: Wide bandwidth allows harmonic imaging.
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