Phantom no: 535, model 571
Date: 2000 March 13. Time: 0:44 Slice thickness: 3.01 cm +/-0.02cm Temperature: 22.9 degree Celsius +/-0.1øC
Sound speed measurement Sampling frequency: 1000.00 Ms/sec +/-0.01% frequency, time differens, sound speed, +/- 2*SD MHz microseconds m/sec m/sec 3.0, -0.650, 1542.5, 0.5 4.0, -0.650, 1542.5, 0.5 5.0, -0.660, 1543.3, 0.5 6.0, -0.660, 1543.3, 0.5 7.0, -0.660, 1543.3, 0.5 8.0, -0.670, 1544.0, 0.5 9.0, -0.670, 1544.0, 0.5 10.0, -0.670, 1544.0, 0.5 Mean velocity: 1543.3 m/sec Calculated velocity at 23øC : 1544 m/sec
Measurement of attenuation: Sampling frequency: 100.00 Ms/sec +/-0.01% Density: 1055.0 Kg/m3 Impedance: 1.628 * 10E6 Kg/m2*sec Reflection loss: -0.02 dB trans.frq.,energy,rec.frq.,energy,transm.loss,att/dist,att/dist*frq,+/-2*SD MHz dB MHz dB dB dB/cm dB/cm*MHz dB/cm*MHz 3.08, 62.08, 3.08, 57.22, 4.85 1.607, 0.522, 0.032 4.15, 64.01, 4.15, 57.65, 6.36 2.107, 0.508, 0.024 5.08, 66.71, 5.08, 58.98, 7.73 2.563, 0.505, 0.020 6.15, 65.87, 6.15, 56.67, 9.20 3.050, 0.496, 0.017 7.08, 67.62, 7.08, 57.00, 10.62 3.524, 0.498, 0.015 8.11, 68.41, 8.06, 56.56, 11.84 3.929, 0.485, 0.013 9.03, 70.05, 9.03, 56.85, 13.19 4.378, 0.485, 0.012 9.96, 70.18, 9.96, 55.63, 14.54 4.827, 0.485, 0.011 10.94, 72.49, 10.89, 56.41, 16.07 5.334, 0.488, 0.011 11.87, 71.24, 11.87, 53.67, 17.57 5.832, 0.491, 0.010 12.89, 72.95, 12.79, 53.72, 19.23 6.384, 0.495, 0.010 13.82, 74.38, 13.77, 54.09, 20.28 6.733, 0.487, 0.009 14.84, 73.89, 14.89, 51.65, 22.24 7.385, 0.498, 0.009 15.87, 72.95, 15.82, 48.80, 24.14 8.015, 0.505, 0.009 16.85, 69.65, 16.85, 44.24, 25.41 8.435, 0.501, 0.009 17.77, 68.69, 17.72, 41.43, 27.26 9.052, 0.509, 0.009 18.70, 65.47, 18.65, 36.50, 28.96 9.617, 0.514, 0.009 19.63, 62.79, 19.63, 31.96, 30.83 10.237, 0.522, 0.008