| 1. | Measurement of acoustic power of piston transducer based on calorimetry
一种基于量热法的平面换能器声功率测量的方法 |
| 2. | Acoustic power output
声功输出 |
| 3. | Thermoacoustic effect is the phenomenon of the conversion between thermal energy and acoustic power
热声效应是热与声之间相互转换的现象，即声场中的时均热力学效应。 |
| 4. | Thermoacoustic engine is a kind of machine , which converts thermal energy into acoustic power by thermoacoustic effect
热声发动机是一种通过热声效应实现热能与声能转化的装置。 |
| 5. | Lead alloys as solder for transducers used in high - powered ( designated to operate for several hours at acoustic power levels of 125 db spl and above ) loudspeakers
用作大功率扬声器（用在长时间操作125分贝以上的音响系统）的传感器焊料中的铅合金。 |
| 6. | Lead alloys as solder for transducers used in high - powered ( designated to operate for several hours at acoustic power levels of 125 db spl and above ) loudspeakers
用于高功率（指定的长时间运行的125分贝及以上声压级）扬声器用传感器焊料中的铅合金。 |
| 7. | Computation results provide optimized dimensions of regenerator for different pressure ratios at a fixed acoustic power input , which could be a preliminary guide in designing a regenerator for pulse tube refrigerators
计算了给定输入声功率、不同输入压比条件下回热器的优化尺寸，可为脉管制冷机回热器的优化设计提供参考。 |
| 8. | Numerical simulations were performed and results show that significant attenuation of radiated acoustic power can be obtained , and sound radiation cancellation performance becomes better in low and medium frequencies
进行了数值仿真，仿真结果表明，应用压电片能有效地抑制声呐设备中障板声辐射，抑制中低频的声辐射效果更好。 |
| 9. | Because the thermoacoustic conversion process that occurs in its regenerator is reversible and velocity is in phase with pressure , traveling - wave thermoacoustic engine can produce and transmit acoustic power with higher efficiency theoretically
由于行波热声发动机在回热器中进行的是可逆热声转换过程，并且声场中速度和压力相位相同，所以可以更高效地产生和传输声功。 |
| 10. | Using finite element and boundary element method , a modal analysis model of complex structural acoustic radiation in light fluid is proposed for computing modal acoustic radiation frequency , farfield sound pressure , modal radiated acoustic power and acoustic radiation efficiency
摘要采用有限元和边界元方法建立了轻流体介质中复杂结构振动声辐射的模态分析模型，可计算结构的声辐射模态频率、模态场点声压、模态辐射声功率和声辐射效率等声场特性参数。 |
