在光路调节中采用具有对数变换功能的示波器和动态范围较大的探测器，可以提高测量精度。
It is suggested that logarithm transform of oscillograph and large dynamic range of detector should be applied to adjust the optical cavity for improving metrical precision.
通过对数字存储示波器采集到的传感器正常和异常信号的波形分析，证实了波形分析法作为一种快捷、准确的诊断方法具有实用意义。
Through the analyse of natural and exceptional wave shape of oxygen sensor collected by digital memory oscillograph, the wave shape analyse method is proved exactly and fast in practice.
本文对数字示波器的带宽特性及取样速率进行了简要描述，并分析了其在实际应用中对波形测试的影响。
This paper gives a brief description of the bandwidth characteristic and sampling rate of digital oscilloscope, and analyses their impact on waveform test in practical application.
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