Ultra sound instrumentation

Ultra sound instrumentation - Term Definition Us...

Info icon This preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Term: Us transducers with ____PZT crystals create sound beams that are shaped like an hour glass Definition: Large Term: _____sound sources create beams that are V shaped Definition: Small Term: A large element may be thought f as millions of tiny distinct sound sources, each of the particles is a source and creates a wavelet with a V shape Definition: Huygens principle Term: Secondary projections of ultrasound energy that radiate away from the main beam Definition: Side lobes Term: The beam is narrowest & the most intensity is at the focal zone Definition: Focusing
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Term: The electronics of the US system focus the sound beam. With _____you can alter the characteristics of the beam. Definition: Electronic focusing ( phased array) Term: A lens is placed in front of the PZT focusing this way is similar to focusing light rays with a lens fixed focus Definition: Acoustic lens Term: Concentrates the sound energy into a narrower beam Definition: Curved crystal Term: Most common form of fixed focusing Definition: Curved crystal Term: More curvature= _____focusing Definition: Better
Image of page 2
Term: Transforms electrical energy into acoustic energy, during reception converts acoustic energy into electric energy Definition: Transducer
Image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern