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发表于 2023-7-19 18:21:36
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本帖最后由 Self-reliance 于 2023-7-20 04:18 编辑
Scan indexing = 掃查變位
另請教如下有關TOFT的正確解釋
instrument settings to include, as a minimum, excitation pulse type, duration and voltage settings, digitization rate (e.g., nominal rate as affected by compression and points quantity), rectification, pulse repetition rate, range start and stop, band pass filters, smoothing, focal type, and length
focal law parameters, including, as applicable, angle or angular range, focal depth and plane, element numbers used, angular or element incremental change, and start and stop element numbers or start element number
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