This standard describes methods of light level control between an external locking type photocontrol.

本标准描述了外部锁定型光控器之间的光度控制方法。

Performance test of low light level (LLL) CCD TV system is an important part in LLL imaging.

微光CCD电视系统性能测试是微光成象技术的重要组成部分。

The image-dissector scanner is another heavily used and very successful low light level detector.

析象管扫描器是另一种常用而且很成功的微光探测器。

The image - dissector scanner is another heavily used and very successful low light level detector.

析象管扫描器是另一种常用而且很成功的微光探测器。

Author designed a high Q value auto tracing sampling filter for signal detection of weak light level.

作者用采样滤波器制成了用于弱光信号检测的高q值自跟踪采样滤波器。