| 1. | 3 . deduce the relationship between sound pressure and particle velocity in plane wave
对平面波声场中的声压和质点振速之间的相关方程进行了推导。 |
| 2. | Experimental research on influence of main frequency of vibration on measurement of vibration rate of particle
振动主频对质点振速测量影响的试验研究 |
| 3. | The numeral calculation results agree with the given velocity distribution , and the rate of convergence is quick
数学计算结果与设定振速分布一致，同时收敛速度也很快。 |
| 4. | Acoustics - determination of sound power levels of noise sources using vibration velocity - measurement for seal machinery
声学振速法测定噪声源声功率级用于封闭机器的测量 |
| 5. | Upbuild the signal model for ship noise , deduce the relationship between sound pressure and particle velocity in plane wave
建立本舰噪声的信号模型，推导了平面波声场声压和振速的相关性。 |
| 6. | The results indicate that the assessment conclusion educed form the application of this method and application of the 《 blasting safety regulations 》 ( gb6722 - 2003 ) are consistent
结果表明应用该方法和运用《爆破安全规程》 ( gb6722 - 2003 )并以振速作为判据所得的评价结论能取得一致。 |
| 7. | The acoustic pressure information and particle velocity information are used to study the direction of the arrival estimation by analyzing strong linear spectrum of the single target basing on cross spectrum method
摘要利用矢量水听器收集到的声压和振速信息，研究基于互谱法分析单目标的强线谱来进行目标方位估计。 |
| 8. | In this paper , the self - adaptive filter , the wavelet transform and the fourier transform are used to detect the stationary and the non - stationary signal of underwater sound in anisotropic noise field
本文以各向异性噪声场为例，分别对声矢量信号中的声压、振速探讨应用自适应滤波、小波变换、短时傅里叶变换检测水声平稳和非平稳信号的应用效果。 |
| 9. | A new direction of arrival estimation method is proposed using a single vector hydrophone , which is composed of three spatially co - located but orthogonally oriented velocity hydrophone plus another co - located pressure hydrophone
摘要提出了一种基于单个矢量水听器的二维波达方向估计方法，该矢量水听器由三个空间轴向垂直的振速水听器和一个声压水听器构成。 |
| 10. | ( 二 ) using spectrum analysis investigate the transport character and primary rule of explosion wave in the medium , simulate the formula of attenuation for explosion wave , which will be used to guide the design of the engineering
(二)采用频谱分析方法研究了爆破产生的地震波在介质中传播的特性和基本规律，拟合出了指导工程设计与研究的地震波振速衰减经验公式。 |
