逆伝搬映像法における境界面の透過歪の補正

概要

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The imaging of scattering coefficient distribution on a plane is significant technique for various fields such as nondestructive evaluation, medical diagnosis, radar and sonar. It is possible to image the parameter through the backward propagation of waves from the complex amplitude of received waveform. This technique, which is called "backward propagation technique", has some advantages of imaging in real time with the outstanding resolution and straight forward processing algorithm. This paper proposes a method for correction of transmission disturbance at boundary of the media in this technique. This method is attained by assuming a distribution of the transmission coefficient be a linear function of that of scattering coefficient and by the iterative computation.
湘南工科大学の論文
1995-03-25