给出了会聚高斯光束焦点附近的等照度线图。
The contours of equal intensity near focus of focused Gaussian beams are presented.
实验结果表明该方法不仅在保持等照度线方向上有很大改进，而且显著提高了运算速度。
The result of experiment indicates the method not only has a big improvement on keeping isophotes direction but also improves arithmetic speed notably.
通过对照度、布光及眩光控制等照明设计中影响因素的分析，探讨了照明设计与人们的感受及环境的互动关系。
In this paper the interaction between lighting environment design and people's feeling is discussed by analyzing impacting factors of the illumination, lighting design and glare control.
作者依据多年设计实践，论述了在建筑照明设计中应注意的几个具体问题：如怎样合理地选择照度、导线、灯具等。
According to design experience for many years, author discusses several problems being paid attention in illumination design, as selecting lightness, lamps, lead and so on.
分析了LCLV驱动信号的电压幅值、频率、占空比以及屏幕照度等诸多因素对投影系统对比度特性的影响。
The effects on the contrast of the LCLV projecting system, such as the LCLV driving signal voltage, frequency, duty cycle and the display screen illumination were analyzed.
图像结构信息，如图像的边缘、纹理等，是图像特征的一种，结构信息不易受照度变化的影响，同时是高分辨率遥感图像中的人造目标特性的主要表现形式。
Image structure information, such as edges and texture, is robust to the illumination change and is the main characteristic of man-made object in high resolution remote sensing imagery.
并对所设计的系统在ASAP中进行了模拟，得出了屏幕图像畸变、均匀性和像面光照度分布等性能指标，得到令人满意的结果。
The simulation experiment was implemented with ASAP, and distortion, uniformity and illumination distribution of the image on the screen were gained. The experimental results were satisfied.
光度计是专门用于测量发射，反射或透射光的光通量，亮度，照度或发光强度等。
Photometers are specifically designed to measure emitted, reflected or transmitted light in photometric terms of luminous flux, luminance, illuminance or luminous intensity.
叙述一种用于测试大口径、长焦距光学系统杂光系数、渐晕系数、像面照度均匀性等光学参数的检测方法。
A method is introduced for testing stray light coefficient, vignetting coefficient and image surface uniformity optical system with large aperture and long focal length.
此它利用激光辅助照明装置克服了传统的微光夜视仪在全黑天或光照度不足条件下无法工作等不足。
It overcomes shortages of the traditional LLL night vision which can't work in the completely dark environment or the condition that the light is not enough.
根据该仪器测量获得的下行辐照度和上行辐亮度，我们可以计算海水的漫衰减系数、遥感反射率、离水辐亮度等多种海洋光学参数。
Using this device, we can measure many oceanic optical parameters such as diffuse attenuation coefficient, remote-sensing reflectance, water-leaving radiance and so on.
对于低照度、高速运动物体等的测量拍摄场合，往往需要高灵敏度的线阵CCD相机。
High-speed applications under low light condition requires high sensitivity line scan CCD camera.
结果表明：不同林地栽培模式在改变光照度、降低噪音、吸滞粉尘等环境效应上差异显著。
The results showed that there were significant differences in changing sunlight intensity, reducing noise, and accumulating dust in different forest land cultivation mode.
本文对新型长余辉稀土发光材料在不同照度，不同激发时间等多种条件下的发光特性进行了检测，并对检测结果进行了分析讨论。
Discussion and analysis to the result of measurement of luminescent characteristics of long-afterglow phosphor material under multi-illuminance and multi-stimulation.
不合格监测项目主要集中在紫外线辐照度值、空气、医护人员手等。
Unqualified items were mainly focused on ultraviolet irradiation, air, hands hygiene, and so on.
但人脸图像中表情、姿态、光照度等内外在因素皆多变，使得该研究至今仍颇具挑战性。
However, because of the complex facial structure, the diverse facial expression and the changing light intensity, face recognition is still being recognized as a challenging research.
介绍了一种光谱辐照度动态测量系统，它适用于对曳光管等瞬变光源的近红外光谱区辐射情况进行动态分析。
A new Spectrometer is introduced. It is specially designed for dynamically analyzing radiance of near-infrared instant light source.
喷漆房是提供涂装作业专用环境的设备，能满足涂装作业对温度、湿度、光照度、空气洁净度等要求；
Spray booth equipment for painting dedicated environment to meet the requirements of the painting - on temperature, humidity, light intensity, air cleanliness;
喷漆房是提供涂装作业专用环境的设备，能满足涂装作业对温度、湿度、光照度、空气洁净度等要求；
Spray booth equipment for painting dedicated environment to meet the requirements of the painting - on temperature, humidity, light intensity, air cleanliness;
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