振速，即振动速度。是指波动中各质点都在平衡位置附近做周期性振动，在平衡点处质点振速最大，振动加速度最小；在势能最大处质点振速为零，振动加速度最大，所以是变加速运动。值得注意的是，振动中质点并没有沿波的传播方向随波迁移。
颤振速率 flutter ; speed
容许颤振速率 allowable flutter ; speed
振速传声器 [电子] velocity microphone ; microphone ; pressure gradient ; open-air microphone
振速耳机 velocity earphone
脉振速度 velocity of pulsation
弯扭颤振速率 flexible-torsion flutter ; speed
谐振速度 resonant vibration speed
谐振速度范围 resonant speed range
爆破振速 blasting vibration velocity
它是由声压型水听器与振速水听器在结构上组合为一体而构成。
The hydrophone is constructed with a pressure hydrophone and particle velocity hydrophone, and is called combined hydrophone.
推导了表面振速分布不均匀的辐射器的辐射阻抗与辐射器辐射声功率之间的关系。
The relationship between the radiation impedance and the acoustic radiated power of the radiator with non-uniform vibrating velocity on the surface is formulated.
本文研究运用组合传感器和声压、振速联合信号处理技术进行低噪声通过特性的测量。
A new method of low intensity radiated noise measurement is shown using acoustic combined sensor and combined signal processing with pressure and particle velocity.
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