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 ··· 920 921 922 923 924 925 926 927 다음
