h*****n 发帖数: 1 | 1 1. Ultrasound in medicine and biology 1981;vol 7(3):pp285-291.
Electric excitation of ultrasound transducers for short pulse generation.
Persson HW.
2. Ultrasonic Imaging. 1979 Oct;vol 1(4):pp378-383.
Further development and clinical evaluation of the expanding aperture
annular array system.
Parks SI, Linzer M, Shawker TH.
3. Ultrasound in medicine and biology 1983;Suppl 2:pp209-214.
Analysis of a novel wide dynamic range transceiver for zone imaging.
Taylor |
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