A new method of low intensity radiated noisemeasurement is shown using acoustic combined sensor and combined signal processing with pressure and particle velocity.
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。
2
Precisely estimated time delay of acoustic wave signal is very important to implementing the most accurately measurement of temperature using acoustical method in the strong noise environment.
声波信号时延的准确估计是实现强噪声环境下声学法高精度测温的关键。
3
We get and analysis the data of the reverberation, noise and acoustic pressure level of the Conference Hall and Lecture Hall in some northern university in measurement.