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现行 IEC 63305:2024
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Underwater acoustics - Calibration of acoustic wave vector receivers in the frequency range 5 Hz to 10 kHz 水下声学.频率范围为5Hz-10kHz的声波矢量接收器的校准
发布日期: 2024-02-27
IEC 63305:2024规定了在5 Hz至10 kHz频率范围内校准矢量接收机的方法和程序,适用于基于两种不同原理的矢量接收机。此外,它描述了一种使用光学干涉测量法在空中进行惯性矢量接收机校准的绝对方法。 通常,声波矢量接收器是基于两种原理之一来设计和构造的。一是声压差(梯度)原理。当使用该传感器进行测量时,矢量接收器被刚性地固定在支架上并支撑在水中。另一种是共振(惯性)原理。当使用该传感器测量时,矢量接收器悬挂在支架上并以非刚性方式支撑在水中,这允许矢量接收器co-与声波场中的声质点同向振动。 已经使用了许多方法来校准矢量接收器,例如自由场校准、驻波管中的校准和行波管中的校准。
IEC 63305:2024 specifies methods and procedures for calibration of vector receivers in the frequency range 5 Hz to 10 kHz, which are applicable to vector receivers based on the two different principles. In addition, it describes an absolute method of inertial vector receiver calibration in air using optical interferometry.
Usually, acoustic wave vector receivers are designed and constructed based on one of two principles. One is the sound pressure difference (gradient) principle. When measuring with this sensor, the vector receiver is rigidly fixed on a mount and supported in water. The other is the co-vibrating (inertial) principle. When measuring with this sensor, the vector receiver is suspended on a mount and supported in water in a non-rigid manner, which allows the vector receiver co-vibrate in the same direction as the sound particle in the sound wave field.
Many methods have been used to calibrate vector receivers, such as free-field calibration, calibration in standing wave tube and calibration in a travelling wave tube.
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归口单位: TC 87
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