1) underwater low-light-level imaging
水下微光成像
2) underwater laser imaging
水下激光成像
1.
The model for a new kind of underwater laser imaging system is proposed.
提出了一种新型水下激光成像系统的模型 ,计算了该系统的成像距离和成像质量与光束发散角、接收视场角、快门开启时间等主要参数的关系 ,降低背景光的影响与提高光脉冲质量能有效地提高成像距离和成像质量。
2.
To advance the quality and overcome the disadvantage of common histogram equalization,a new method was proposed based on analysis of characteristic of underwater laser imaging.
由于水体对光存在着不可克服的吸收和散射效应,距离选通水下激光成像系统所获得的图像存在不同程度的劣化问题。
3) Photoelectric Imaging For Underwater Objects
水下光电成像
4) laser underwater imaging system
激光水下成像
1.
The active laser underwater imaging system of far distance puts strict demands on the expanding ability and adaptability to the distance of the expanding system.
为了在不同的成像距离处都获得适当大小的光斑,论文对激光水下成像发射光学系统进行了研究,设计了一种变倍的发射光学系统,研究了激光光束通过该发射光学系统的变换规律,推导了目标距离与变倍光学系统动镜组的位置调整量的数学关系,提出了激光水下成像变倍发射光学系统的控制方案。
5) underwater imaging
水下成像
1.
Several problems that should be considered for the design of the underwater imaging detection system are analyzed and discussed,including system parameters,optical signal computation model and imaging system performance evaluation model.
考虑发射系统和接受系统间的距离,建立了激光水下光电成像探测系统的一般理论模型;推导了信号辐射、后向散射、前向散射的计算方法;给出了考虑前向散射和背向散射作用下的成像对比度计算方法;最后导出了水下成像系统的作用距离方程。
2.
The technology of laser underwater imaging has obtained some productions in the world, present- synchronous scanning tech- nology and range- gated rechnology are mostly applied now.
激光水下成像技术在国内外已经取得较为完善的成果,目前主要采用距离选通和同步扫描两种方法。
3.
The effect of optical properties of water on the underwater imaging is analyzed based on the theoratical model.
首先对水的光学特性进行介绍 ,然后根据理论模型分析水的光学特性对水下成像的影响 ,最后从水下光照度的角度对水下光学成像的质量和影响因素进行分析。
6) low light level imaging
微光成像
1.
It is shown that BCCD has a certain low light level imaging ability, and that under moderate light illuminance, the performance of BCCD is better than that of ICCD.
研究表明 BCCD有一定的微光成像能力和很强的紫外探测能力 ,在中等微光照度下 ,其性能优于目前使用最广泛的 ICCD;而 EBCCD在各种照度下 ,其性能都超过 ICC
2.
Over half a century, photoelectronic imaging which consists mainly of low light level imaging and thermal imaging, has made marked progress, and demonstrated brilliant prospects.
半个世纪以来 ,光电子成像 (主要包括微光成像和热成像 )技术取得了惊人的发展 ,显示出极为辉煌的前景 。
补充资料：地下水水资源评价(见水资源评价)
地下水水资源评价(见水资源评价)
d ixiashui shuiziyuan Ping】ia地下水水资源评价见水资源评价。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条