标准摘要
[中文适用范围]： 本国际标准适用于 · 采用压电传感器元件的水听器，设计用于测量超声波设备产生的脉冲和连续波超声波场； · 用于水中测量且频率范围在 15 MHz 至 40 MHz 之间的水听器； · 带或不带集成放大器的水听器； · 带有圆形压电活性元件的水听器。本国际标准规定了·相关水听器特性； · 基于相对或比较测量确定方向响应和水听器灵敏度的方法；并描述了·绝对水听器校准方法。针对本国际标准所涵盖的频率范围内的各种相对和绝对校准方法，提出了对公认文献的建议和参考。 [外文原描述]： Applies to - hydrophones employing piezoelectric sensor elements, designed to measure the pulsed and continuous-wave ultrasonic fields generated by ultrasonic equipment; - hydrophones used for measurements made in water and in the frequency range between 15 MHz and 40 MHz; - hydrophones with or without an integral amplifier; - hydrophones with a circular piezoelectrically active element. Specifies - relevant hydrophone characteristics; - methods of determining directional response and hydrophone sensitivity based on relative or comparative measurements; and describes - absolute hydrophone calibration methods. Recommendations and references to accepted literature are made for the various relative and absolute calibration methods in the frequency range covered by this International Standard.
英文名称Ultrasonics - Hydrophones - Characteristics and calibration in the frequency range from 15 MHz to 40 MHz