Imaging of a two-dimensional target by means of hologram matrix—An ultrasound experiment

Jiro Nakayama,T. Miyashita,N. Akagi, H. Ogura, Yutaka Yoshida, Takashi Soma

Proceedings of the IEEE（1978）

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摘要

An experimental study is made of a two-dimension imaging system using 1-MHz ultrasound, which was suggested in a previous paper as an application of the hologram matrix concerning two orthogonal antenna arrays. Clear image reconstructions are obtained for several targets composed of a set of thin brass rods.

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关键词

Ultrasonic imaging,Optical amplifiers,Voltage,Signal to noise ratio,Bandwidth,Circuits,Operational amplifiers,Low-frequency noise,Optical transmitters,Differential amplifiers

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