But when I pulled out my pack it was too light and stray bits of tobacco made that soft rustling sound so I knew I was out of cigarettes.
可是当我翻开我的包时,我才发现,它如此轻,里面只有些残留的烟渣,发出簌簌的声音,我的烟,抽完了。
But he soon realized that the stray atoms of hydrogen gas would actually go right through the ship traveling close to light speed, and irradiate both crew and electronics in the process.
随后他才意识到,如果接近光速飞行,游荡的氢原子将直接穿过飞船,并使全体船员和飞船都遭受辐射。
A method is introduced for testing stray light coefficient, vignetting coefficient and image surface uniformity optical system with large aperture and long focal length.
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。
The PST of stray light includes the influence of system assemble error, and reflects the real capacity of stray light suppression.
光学系统杂光指标PST的测量,包含了系统各种安装误差的影响,体现了系统杂光抑制的真实水平。
We analyzed the stray light source of system and drew a conclusion that non-image beam has great effect on system qualities and system ghost images caused by parallel Windows should not be ignored.
分析了系统杂散光的来源,得出非成像光束对系统影响较大、平板玻璃窗产生的鬼像不容忽视的结论。
The viewfinder cap is used to avoid incorrect exposure due to stray light which may enter the metering system is not adversely affected.
取景器盖能防止由于离散光进入取景器目镜而引起不正确的曝光。它能保证测光系统完全不受影响。 收藏。
Stray light generated in optical system forms a lot of ghost images, which not only seriously influence the beam quality and propagation properties, but also damage optical components.
光学系统的杂散光极易在系统内形成多个鬼像,这不仅严重影响光束质量和传输特性,并可能对系统光学元件造成永久性损伤。
Stray light analysis is one of crucial technologies to ensure the image quality of Lunar-based Optical Telescope (LOT).
杂散光分析是保证月基光学天文望远镜(LOT)成像质量的关键技术之一。
Several kinds of stray light test materials used at present in our country have been analysed by spectrophotometers on the stray light test principle.
从分光光度计杂散光测试原理出发,对我国目前在用的几种杂散光测试材料特性进行了分析。
This vacuum-deposited coating on the lens's glass surfaces reduces bothersome reflections and stray light in the image, and paved the way for today's highly complex optical systems.
镜头玻璃表面的真空沉淀镀膜减少了最终成像上令人头疼的反射光线和杂散光,同时也为今天复杂光学系统扫清了道路。
Now, there are two ways to measure the stray light, respectively, surface source method (black spot method) and the point source method.
现有的杂散光测量系统分为两类,分别为面源法(黑斑法)和点源法。
Who should attend: Optical engineers who wish to learn more about modeling illumination systems and performing stray light analysis with ZEMAX.
针对人士:想要学习利用ZEMAX进行更多的照明系统建模和杂散光分析的光学工程师。
Since the laser light is polarized, so according to Fresnel equation, the structure light and stray light are both polarized but with different direction.
由于光源激光为偏振光,通过菲涅耳公式计算可知,结构光和杂光也具有偏振性。
A stray radiation calculation method based on the feature of the R-C system is given for estimating stray light performance in the well-baffled R-C system.
同时,依据R - C系统的特点,提出其杂散辐射的计算方法,用以估计遮光完善R - C系统的杂光水平。
As wavelength precision and resolution of the instrument is high, but the stray light is less, and the repeatability is good, it has special purpose.
这种单色仪由于波长精度高、重复性好、分辨率高而杂散光却很小,因此具有特殊用途。
The first problem is to study the model of scattering from typical surfaces in your optical system before stray light is analysed in this paper.
光学系统杂光分析对航天航空、精细细微分析领域的光学设计有着重要意义,其首要问题是研究光学系统中典型受光表面的散射模型。
Unnecessary fringes are cleared away. Thereby some stray light points at reconstuction time are restrained.
清除了多余的干涉条纹,从而抑制了重现时的杂散光点。
In the daytime, the strong background light will generate strong stray light for the follow-up observing system through telescope system.
白天强背景光将通过望远镜系统对后续观测系统产生很强的杂散光。
In reflective light path, because of the errors in assembling, planar reflector would have three tiny dimensional angles stray.
在折转光路中,由于安装误差,平面反射元件会存在三维方向的微偏角。
With the help of airflow and stray light analysis, plans for stray light control can be chosen more reasonably. The CFD analysis method could be helpful to telescope design and transformation.
将该分析方法与杂散光分析结合,可合理选择杂散光抑制方案,对望远镜设计及改造具有一定参考和应用价值。
The principle of coronagraph requires that stray light in coronagraph system must be kept at an extremely low level.
日冕仪的工作特点决定了其对杂散光抑制要求极其严格。
When you want to capture a scene with a large contrast range, stray light or flare is your enemy. The quality of the lens coating is therefore very important.
试图记录大对比场景时,散射光和眩光会成为你的敌人,因此镜头镀膜的品质尤为关键。
Using this data structure, stray light analysis software of laser systems is programmed, the examples are given and the paraxial stray light binary trees are built.
利用这种数据结构,作者编制了激光光学系统杂散光分析软件,针对两个实例建立了近轴鬼光束树。
Moreover, the stray light of spectrometers with prisms is 10-4 and that of spectrometers with grating is 10-2.
在杂散光方面,棱镜光谱仪的杂散光可达10 - 4,而光栅的杂散光为10 - 2。
The influence of many factors such as the stray light of the sun, absorption coefficient, optics parts of system and the weather are analyzed as well.
针对太阳散射光、吸收系数、系统光学部件和气候条件等诸多因素的影响进行了分析评述。
The relative uncertainty of the measurement is 0.646% when the fiducial probability is about 95%, which can meet the needs of the stray light measurement.
窄带滤光片法测量不确定度为0.646%(置信概率约为95%),能满足星载成像光谱仪杂散光测量的工程需要。
On the basis of those, an universal computer program is developed, and the stray light of an infrared camera has been analyzed.
在此基础上编制了通用的杂散光计算软件并对某型号红外相机的杂散光进行了分析。
The Monte Carlo method is applied to calculate the stray light of an infrared optical system.
将蒙特卡洛方法应用于红外光学系统的杂散光计算。
Finally, the theoretical reasons why the incident light wavelength affected the stray light correction were explained.
最后,从原理上解释了杂散光修正效果受入射光波长影响的原因。
Finally, the theoretical reasons why the incident light wavelength affected the stray light correction were explained.
最后,从原理上解释了杂散光修正效果受入射光波长影响的原因。
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