Dealing with the concrete conditions of instrument system and its calibration tests, tbe method to determine the impulse response function of acoustic emission is introduced briefly.
扼要介绍结合声发射检测系统仪器的实际条件以及标定试验求取系统脉冲响应函数的方法。
2
The principle of impulse radio (IR), several kinds of pulse generators, pulse modulation and signal emission for UWB radio, as well as characteristics of UWB-IR are mainly presented and concluded.