【摘要】 本文介绍的瞬时相位差测量方法具有如下特点:无需事先知道被测信号的频率;对计数器和鉴相器实现软件反复清零,提高了可靠性和抗干扰能力;测量精度较高;测量范围不受任何限制。更多还原

【Abstract】 The measuring method of instantaneous phase differences introduced in this paper has the following features: Needless to know the frequency of measured signal; Both the counter and the phase detector can be cleaned repeatedly by the software, so that the reliability of measuring and the ability of anti-interference can be improved; Relatively high measuring accuracy; No limitation in measuriing range.更多还原