提出一种基于“半周期峰值比法”的周期识别新技术，它是全数字化的，不需使用任何附加的模拟电路和硬件支持。
It is based on the widely used analogue "half-cycle peak ratio" technique, form which it differs by being entirely digital, no additional analogue signal processing or other hardware is required.
基于CCD对正弦输入信号的响应特性的基础上，对信号输出周期、极值位置进行了理论分析和数值模拟。
Based on response of CCD to the sine input signal, the period and extremal positions of output signal were analyzed and simulated.
基于CCD对正弦输入信号的响应特性的基础上，对信号输出周期、极值位置进行了理论分析和数值模拟。
Based on response of CCD to the sine input signal, the period and extremal positions of output signal were analyzed and simulated.
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