|
|
Characteristic Study of the Focus of Ultrasonic Phased Linear Array System |
YANG Ping,BIAN Wen-ping,ZHU Yan |
National Institute of Metrology, Beijing 100013, China |
|
|
Abstract In order to evaluate the performance of the phase array system, characteristics of the focus for linear array system when changing focus depth, steering angle and array aperture,is studied. Based on the conclusions, the phased array system can be calibrated properly.
|
|
|
|
|
|
[1]杨平. 二维阵列相控阵超声三维成像技术研究.[D].北京:清华大学,2006.
[2]Jensen J A. A model for the propagation and scattering of ultrasound in tissue[J]. Acoust Soc Am, 1991, 89(1): 182-190.
[3]Jensen J A, Svendsen N B. Calculation of pressure fields from arbitrarily shaped, apodized, and excited ultrasound transducers[J]. IEEE Trans Ultrason Ferroelec Freq Control, 1992, 39(2): 262-267.
[4]Jensen J A, Nikolov S I. Fast simulation of ultrasound images[A]. In: Proceedings of 2000 IEEE Ultrasonics Symposium [C], 2000, 1721-1724.
[5]Turnbull D H, Foster F S. Beam Steering with Pulsed Two-Dimensional Transducer Arrays[J]. IEEE Trans Ultrason Ferroelec Freq Control, 1991, 38(4):320-333. |
|
|
|