这份文件 -为医用超声应用中聚焦和非聚焦换能器的传输场特性提供定义；-将这些定义与聚焦传感器传输场的理论描述、设计和测量相关联给出了获得聚焦和非聚焦传感器定义的场特性的测量方法；-指定适用于聚焦和非聚焦传感器的光束轴对齐方法。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document - provides definitions for the transmitted field characteristics of focusing and nonfocusing transducers for applications in medical ultrasound;- relates these definitions to theoretical descriptions, design, and measurement of the transmitted fields of focusing transducers;- gives measurement methods for obtaining defined field characteristics of focusing and nonfocusing transducers;- specifies beam axis alignment methods appropriate for focusing and nonfocusing transducers.All current amendments available at time of purchase are included with the purchase of this document.