dimlight vision

The low-light-level synthetic test instruments are discussed on the basis of above, and the main parts of the instrument are explained in detail.

以此为基础,讨论微光综合测试仪系列,并对测仪器的主要部件作详细的说明。

The low-light-level video processor system has significant value both in military area and in civil area.

微光视频处理系统在现代军事和民用方面都具有重要的价值。

The low-light-level (LLL) video processor system which is centered about high-speed digital signal processor (DSP) has significant value both in military area and in civil area.

以高速DSP器件为核心的微光视频处理系统在军用及民用上具有重要的价值，是当前夜视技术研究的一个重要方向。

With the development of modern technology, low-light image, infrared image and X-ray image have been widely used.

随着科学技术的高速发展，微光图像，红外图像，X光图像在军事、科研、工农业生产、医疗卫生等领域的应用越来越广泛。

Night vision technology based on low light level and infrared;

基于微光与红外的夜视技术

The paper endeavors in the derivation of analytic expressions for the transfer function of signal to noise ratio of image tubes working under low light levels, theoretical calculation and practical tests have been done for an image tube.

针对在光电成像器件研究领域中对像管的探测灵敏阈评价公式的不完整性，推导了微光工作区域上像管的信噪比传递函数解析表达式，并对具体的像管进行了理论计算和实际测试，计算和测试结果基本一致。

When low light level(LLL)image is processed by average filter, indistinctness may be caused seriousiy.

均值滤波法处理微光图像时会造成严重的图像模糊。