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在电子、电机、机械工程、材料试验以及生、物、化等领域往往需要对单项非周期瞬态过程进行测试。目前常用的测试仪是瞬态波形记录仪。由于瞬态信号的特点是随机的,又是单次非周期性的,而瞬态记录仪的存贮器容量有限,因此有效地捕捉瞬态波形是这类仪器的关键问题。本文根据近年来科研实践。谈谈有关瞬态信号捕捉中触发技术的硬件和软件问题。
In the fields of electronics, electrical engineering, mechanical engineering, materials testing, and biology, physics and chemistry, it is often necessary to test individual aperiodic transient processes. The current tester is a transient waveform recorder. Because transient signals are characterized as being random and single aperiodic and transient memories have limited memory capacity, capturing transient waveforms effectively is a key issue for such instruments. This article based on scientific research in recent years. Talk about hardware and software issues related to triggering techniques for transient signal capture.