SPI Ultrasound Physics and Instrumentation Content Outline I. Elementary Principles (8%-12%) A. Nature of Ultrasound 1. Definition of sound a. propagation of vibration (1) compression (2) rarefaction 2. Differentiation between audible sound and ultrasound B. Frequency, Wavelength, Propagation Speed 1. Definition of terms 2. Relationships C. Properties of Ultrasound Waves 1. Amplitude 2. Pressure 3. .. 2009. 3. 30. 이전 1 2 다음
