K. Nagai

Multifrequency Acoustical Holography Using a Narrow Pulse

K. Nagai, 1984, IEEE Transactions on Sonics and Ultrasonics.

A New Synthetic-Aperture Focusing Method for Ultrasonic B-Scan Imaging by the Fourier Transform

K. Nagai, K. Nagai, 1985, IEEE Transactions on Sonics and Ultrasonics.

On the Numerical Reconstruction of Images from a Microwave Hologram

Y. Aoki, M. Suzuki, Y. Aoki, 1973 .