... 实际曝光时间 real exposure time 有效曝光时间 effective exposure time 曝光量 exposure ...
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多通道数字化快门速度测试仪主要应用于幕帘式相机快门有效曝光时间的测试。
The multichannel digital shutter velocity tester is mainly used in measuring the exposure time of a camera curtain shutter.
用激光回波脉冲控制电子快门来操纵摄像机的曝光时间，是抑制背景噪声的一种有效方法。
Steering exposure time of a camera through control electron shutter with laser echo pulse is an effective method for inhibiting background noise.
前者可延长曝光时间来消除，后者可通过高填充因子和放大滤波电路予以有效抑制。
The former can be eliminated by prolonging exposure time and the latter can be inhibited effectively by selecting higher fill factor and adopting amplifying and filtering circuits.
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