A medical ultrasound imaging system sends out a steady stream of very short pulses. To simplity analysis, the reflection
Posted: Wed May 04, 2022 1:55 pm
A medical ultrasound imaging system sends out a steady stream of very short pulses. To simplity analysis, the reflection of one pulse should be received before the next is transmitted. Medium Speed (m/s) Air (0°C) 331 Air (20°C) 343 Helium (0°C) 970 Ethyl alcohol i 1170 Water 1480 Human tissue (ultrasound) 1540 Lead 1200 Aluminum 5100 Granite 6000 Diamond 12000 If the system is being used to create an image of tissue 11 cm below the skin, what is the minimum time between puises? Use values given in table if necessary Express your answer to two significant figures and include the appropriate units. 13 ? XX X-10" At 1.6 107 S Submit Previous Answers Request Answer X Incorrect; Try Again; 7 attempts remaining Part B. How many pulses per second does this correspond to? Express your answer using two significant figures. 1971 ΑΣΦ xxs √x √x X IX Ba X-10%