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 ··· 2801 2802 2803 2804 2805 2806 2807 2808 다음
