time discriminator

Digital frequency detector can be very precise and achieve a most high resolution, however, at the cost of more time. Analog frequency discriminator has much faster response, but lower resolution and stability.

目前，采用数字方法研制的鉴频能达到较高的分辨力和稳定性，但频响往往较低，而用模拟方法制作的鉴频器虽频响较高，但稳定性和分辨力指标下降了。

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The high-energy physics experiments need to determine a signal generation time, this work is mainly done by the timing discriminator.

高能物理实验中需要确定一个信号的产生时间，这个工作主要由定时甄别器来完成。

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Each signal has its rising edge, timing discriminator generate a timing signal by detecting the rising edge. By analyzing the two timing signal by the TDC after the time-to-digital conversion between these two physical events can determine the time difference.

每一个信号都有其上升沿，定时甄别器通过检测上升沿来产生定时信号，确定信号的出现时刻。

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