放大倍率

虽然缩放，放大倍率显示可能不正确，并可能会停止更新。

While zooming , zoom magnification indication may be incorrect , and may stop updating .

你的意思是我们在飞离声音发射器，我不知道，覆盖放大倍率系统？

You mean we 've been running from drones carrying , I dunno , footprint magnification systems ?

研究的数字X射线成像系统是一套基于两个电荷耦合器件（CCD）的光纤探针耦合成像系统，该系统能提供高达50lp/mm的成像分辨率以及多种放大倍率。

The digital radiography system is a fiber-optics taper-coupled imaging system based on two CCD arrays .

本文报导采用放大倍率法、CCD接收、计算机图像处理技术、测量自聚焦（GRIN）透镜的焦距，测量相对不确定度达到±0.12%。

The measurement of GRIN lens focal length by using the amplification method , CCD camera detection and computer image data processing is reported in this paper . The relative measuring uncertainty is up to ± 0.21 % .

选用直径300nm的荧光粒子，在高于10倍放大倍率下，粒子像大于3个CCD像元的尺寸，可以进行观测；

For a fluorescence particle of 300 nm in diameter , the imaging size is larger than that of three pixels in CCD , therefore effective measurements can be obtained .

借助于高放大倍率的二次复型组织，观察了LF6铝合金超塑变形后的表面晶粒组织。

With the secondary duplicated model structure with high magnification , the surface grain structure of LF6 aluminum alloy superplastically deformed is observed .

系统工作在33kVp，0.3mA下，曝光时间4s，采用1.5×放大倍率。

It works at 33 kVp , 0.3 mA with exposures duration of 4 seconds and magnification of 1.5 . The objective of this research is to study the X-ray attenuation at different area , which represented by gray-scale value .

水平平移可以实现旋转轴与图像中心的精确对准，本文提出了一种旋转轴精确定位的方法，定位精度可达0.01mm。竖直平移可以实现放大倍率的选择，放大倍率在1.77~2.37之间可调。

Horizontal translation , vertical translation and rotation is used to align the rotating axis and image center , choose the magnification factor and rotate the models respectively .

在改进的传统金相样品制备和Murakami侵蚀剂化学腐蚀条件下，场发射扫描电镜在10万倍放大倍率下可获得衬度良好、WC晶粒轮廓清晰的二次电子图像。

Under modified metallography sample making and Murakami etching condition , the 100,000 × SE image with good contrast and clear profile of WC grain can be obtained by FESEM . The interception method is used to quantitatively measure the WC grain size in ultrafine WC-Co hardmetals .

用标准样品对该系统进行了测试，实验表明，该系统的时间分辨率为2ps，在放大倍率为100倍的情况下，该系统的空间分辨率为8μm。

Reference sample is used to test the system . Experimental results show that the temporal resolution of the system is 2 ps. When magnification of the microscope is 100 , the spatial resolution is 8 μ m.

本系统通过目镜的连续变焦配合固定焦距的物镜实现了25～75倍的视觉放大倍率，各种像差都得到了很好的校正，从而得到了一款性价比较高的小型Maksutov-Cassegrain望远系统。

A 25 ~ 75 times visual magnification is obtained through the zoom eyepiece and objective . And each aberration is corrected well . As a result , a Maksutov-Cassegrain telescope with small size and high cost-performance is obtained .

方法：将200例组织学切片置于MPIAS-500多媒体彩色病理图文分析系统中，选取不同放大倍率的视野进行实时采集，并输入该病例的相关信息及病理诊断内容，最后打印完整的病理报告。

Methods Putting 200 cases tissue sections to the multimedia pathological image word analyses system-500 ( MPIAS-500 ) and choosing different amplification times to acquire the image , then inputting the correlative information and pathological diagnosis in it and printing the pathological report at last .

切割弧线的局部放大图，放大倍率为200倍。

Magnification of one segment of the arc with the magnifying power of200x .

得到了位移、速度、加速度噪声的包络幅度与峰值放大倍率之间的对应关系；

The formula for calculating peak-amplification ratio from the envelope scope of seismic noise is presented .

本文是一篇有关用于扫描电镜图像放大倍率校准的三个微米级栅网图形标准样板的研究报告。

This paper reported the study on three micron-level grids pattern verified reference material for SEM magnification calibration .

测试时可随时设置采样频率、放大倍率和基线位置。

The sampling frequency and magnification and the location of the baseline can be set up at any time .

采用实验室中四杆靶红外目标源，使其成像在热成像系统自身的焦面探测器上，采用放大倍率法测量与计算出系统的焦距。

The focal length of a thermal imaging system was assessed by the magnification method using 4-bar targets as infrared objectives .

分析了离焦产生的光学系统放大倍率改变对调焦的影响后，引入远心光学系统来近似消除这种影响。

The thesis analyzes the impact of changing zoom rate caused by out-of-focus and uses telecentric optics system to eliminate the impact approximately .

基于此方法，提出了一种优化途径，用以最小化由连杆长度误差至末端执行器运动学位置误差之间的误差放大倍率。

An optimization approach for minimizing the kinematics error magnification from the linkage variation to the end-effector position is studied based on the graphical design method .

其他的挑战来自物理和光学极限，即对于非常小的细线条缺陷需要达到很高的放大倍率才能查出。

Other challenges come from limitations in the physics of optics that are reached at the high magnification required for very small dimensions of fine line defects .

通过软件仿真计算，验证了运动模型的正确性，并选定6x-16x放大倍率。

The movement modeling of the zoom lenses is validated by data from result of real system . A zoom range of 6x - 16x is selected .

有效视场的大小与视场光阑存在线形关系，同时也受由主镜、目镜组成的放大倍率的影响。

The true field of view depends on the linear scale of that field stop , as determined by the magnification of the eyepiece in that telescope .

本文给出1981.10-1984.12期间，在上海天文台佘山站，用40厘米赤道仪观测得到的117对目视双星的结果。所用的目镜放大倍率为600倍或700倍。

The data of 117 pairs of visual double stars are presented , which are got with the eyepiece micrometer of the 40 cm astrograph during 1981.10-1984.12 at Zo-Se .

从业余爱好者放大倍率更高的望远镜看去，尘埃遮掩了银河系中心，色彩斑斓的心大星和蛇夫座区域在右侧发出光芒。

In the much higher magnification of an amateur telescope , dust obscures the galaxy 's center , while the colorful Antares and Rho Ophiuchi regions shine at right .

与定焦镜头相比，变焦镜头的放大倍率可变，无需调整光学系统的位置便可以不同分辨率对目标成像，能有效提高探测效率。

Compared with fixed focus lenses , zoom lenses have variable magnification without adjusting their position so that they can image with different resolution and enhance effectively their target detection efficiency .

在真空室观察窗正上方安装了放大倍率为200倍的显微镜，以实现对场发射过程的实时原位观察。

A microscope ( magnification : 200X ) was fixed right above the view window of the vacuum chamber , using which we can in situ observe the process of the field emission .

文中从理论上证明了：只要高速显微摄影系统参数选择合理，为保证正确的曝光量，其所需物面亮度仅与放大倍率的一次方成正比。

It is proved that , if the parameters of the high speed photomicrographic system are chosen reasonably , the necessary brightness of object is proportional to the first power of the spatial magnification .

本文中提出的设计及优化方法可以显著的减小误差放大倍率，优化后的末端执行器运动学误差可达到与连杆长度误差同等精度级别。

It is shown that the design approach in this thesis can reduce the error magnification remarkably and the optimized end-effector kinematics error can be of the same order of magnitude as the variation of the linkages .

实验结果表明，平面亚像素位移算法的匹配精度可达1/50个像素，在系统25倍的放大倍率下，平面刚体运动测量分辨率达到7.2nm×8.3nm；

Verification experiments show that the matching accuracy of the subpixel motion estimation algorithm is 1 / 50 pixel , and the measuring resolution of the in-plane motion is 7.2 nm × 8.3 nm when the system is magnified 25 times .

本文详细分析了影响该测试系统误差的因素并且针对这些因素，提出了一系列调节器件偏置、放大器截止频和放大倍率等参数来发挥测试系统性能的方法。

Detailed analysis is made for factors might affect the errors of system measurement . And as a solution , a series of techniques , such as adjusting device bias , cut off frequency and magnitude of the amplifier , are adopted .