利用这种方法，计算了冲击电压峰值和波前时间的数字测量误差，并分析了误差的影响因素和变动范围。
Errors in digital measurement of the peak value and front time of impulses are calculated by this method, with influence factors and variance ranges analysed.
提出了一种具有高的时间和空间分辨率以及长的测量持续时间的动态波前相位测量方法。
A dynamic wavefront phase measurement with the features of high temporal and spatial resolution, and long measuring lasting time was proposed.
由于透镜传输时间延迟效应（PTD），飞秒激光脉冲经过空间滤波器产生脉冲波前变形。
Owing to the PTD effect in the lenses of spatial filter, large temporal front distortion of femtosecond pulses occurs in the spatial filter.
采用实时图象处理器，实时提取局部波前倾斜，从而减少实时数据存储的要求，实现长时间持续测量。
The local wavefront slope is extracted at real time with a real time image processor, thus the requirements for real time data storage can be reduced and a long lasting measuring time can be realized.
结论：干眼症患者的波前像差可在瞬目后较短时间内明显增高，而正常人变化并不明显。
Conclusion: significant increases in aberrations were recorded by a Hartmann-Shack aberrometer soon after a blink in dry-eye patients, while those didn't changes significantly in normal eyes.
结论：干眼症患者的波前像差可在瞬目后较短时间内明显增高，而正常人变化并不明显。
Conclusion: significant increases in aberrations were recorded by a Hartmann-Shack aberrometer soon after a blink in dry-eye patients, while those didn't changes significantly in normal eyes.
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