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. Author manuscript; available in PMC: 2010 Mar 21.
Published in final edited form as: Ultrasound Med Biol. 2008 May 1;34(9):1449–1464. doi: 10.1016/j.ultrasmedbio.2008.02.004

Table 1.

Ultrasound and thermal parameter values used in simulation to generate RF data for noninvasive estimation of thermal diffusivity

Center frequency (MHz) 8 MHz, 60% bandwidth
Scatterer density 20 per wavelength
Sound speed (m/s) 1540
Ultrasonic SNR (dB) 20
Sampling rate (MHz) 32
HIFU ON time (s) 5
HIFU frequency (MHz) 5
Initial temperature (°C) 25
Thermal conductivity (W/m/°C) 0.7
Heat capacity (J/kg/°C) 4180
Density (kg/m3) 1000

SNR = signal-to-noise ratio; HIFU = high intensity focused ultrasound; RF = radio-frequency.