Because of the noise and complex of AE signal transmission characteristic, the recognition of AE source is very difficult.
由于各种噪声的影响，以及声发射信号传播过程的复杂性，又给声源的识别带来一定的困难。
The former realizes steady transmission of signal by testing and analysing the carrier channel's frequency characteristic .
前者是通过对载波信道的频率特性时变性测试、分析，实现信号平稳传输。
In this paper, the signal collection system and analytic system of transmission characteristic of infrasound are designed, which are used for testing the performance of infrasound.
本文设计了专门用于检测次声武器各项性能的次声波信号采集系统和传输特性分析系统。
应用推荐