1) acoustic pressure sensitivity
声压灵敏度
1.
The calculating expression of the acoustic pressure sensitivity of the DFB fiber laser hydrophone, whose signal is demodulated by an unbalanced interferometer system, is concluded.
总结了采用非平衡干涉仪解调系统解调的DFB光纤激光水听器的声压灵敏度计算公式;基于梁的弯曲理论,通过数值方法计算了两端固定的DFB光纤激光器在50Hz~2000Hz频率范围内的声压灵敏度,绘制了该频率范围内的频响曲线;采用振动液柱法对一支DFB光纤激光器在该频率范围内进行了实验研究,实验数据具有良好的可重复性,实验结果与理论分析吻合。
2.
When a Distributed Feedback(DFB) fiber laser is used in underwater acoustic detection,it is found that the acoustic pressure sensitivity of the DFB fiber laser is higher than that calculated under hydrostatic boundary conditions,and its frequency response curve is not smooth.
为了探明分布反馈式(DFB)光纤激光器用于水声探测时,所测得的声压灵敏度高于静压条件下计算所得的声压灵敏度,且动态响应曲线不平坦的原因及其机理,对DFB光纤激光器的动态特性进行了研究。
3.
A Michelson fiber interferometer with Faraday rotator mirror and phase generated carrier (PGC) demodulation scheme,is used to interrogate acoustic signal acted on the Yb~(3+)/Er~(3+) co-doped DBR-FL hydrophone,and the acoustic pressure sensitivity is gained by comparison with the standard piezoelectricity hydrophone.
263 mW;采用带法拉第旋镜的迈克尔逊干涉仪和相位载波(PGC)解调方案,解调出施加在铒镱共掺DBR FL有源光纤水听器的声信号,并通过与标准压电水听器对比得到声压灵敏度;对单频信号进行多次测量,声压灵敏度的波动小于±0。
2) pressure sensitivity
声压灵敏度
1.
An equivalent model was constructed to study the pressure sensitivity of the interferometric fiber-optic hydrophone with a concentric mandrel.
建立了等效模型对含弹性增敏层的同轴干涉型光纤水听器的声压灵敏度进行了理论研究,分析了探头的结构参数和材料特性对声压灵敏度的影响。
2.
This paper investigates the pressure sensitivity of an interferometric fiber-optic hydrophone element with a concentric mandrel including an enhanced sensitivity layer based on the theory of elastic mechanics and finite .
声压灵敏度、谐振频率和空间指向性是衡量其性能的重要指标。
3) acoustic pressure phase sensitivity
声压相位灵敏度
1.
The acoustic pressure phase sensitivity response has been measured in a standing-wave tube filled with water.
在驻波罐中对其声压相位灵敏度频响进行了测量,结果表明该光纤水听器具有较好的声低通滤波特性,能有效地抑制声信号中的高频成分,从而实现抗混叠滤波。
5) acoustic sensitivity
声灵敏度
1.
Topology optimization of car body based on acoustic sensitivity
基于声灵敏度的车身拓扑优化
6) pressure sensitivity of microphone
传声器声压灵敏度
补充资料：磁带相对灵敏度
分子式：
CAS号：
性质：磁带相对灵敏度是磁带一项重要的电磁质量指标，是指以相同的录音电流和各自的常规测试偏磁，在被测磁带和基准带上录以相同频率的信号时所产生的差值，通常用分贝(dB)表示。它表征被测磁带与基准带的灵敏度接近程度或互换程度。
CAS号：
性质：磁带相对灵敏度是磁带一项重要的电磁质量指标，是指以相同的录音电流和各自的常规测试偏磁，在被测磁带和基准带上录以相同频率的信号时所产生的差值，通常用分贝(dB)表示。它表征被测磁带与基准带的灵敏度接近程度或互换程度。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条