The paper first introduce the measure method of generally distortion meter of internal and overseas and the application of the meter and secondly compare several measure methods, then choose the best method and expound how to carry out this measure method in hardware and software. Using matlab emulate the method and show the result. At the last give the error analysis of hardware and software during the measurement and the summarize.
论文首先介绍国内外传统失真度分析仪的测量方法及应用前景，然后对几种测量方案进行比较并选择较好方案，然后进一步阐述并分析该方案的硬件实现和软件实现及其matlab仿真结果，接着对该方案的软硬件测量误差进行分析，最后是全文的总结。
According to camera perspective projection theory, the measurement model for 2D moving subject location is deduced from creative application of camera radial alignment constraint which eliminates fully radial distortion. Presents a new concept of space constraint plane and gets computer vision measurement model for 3D location with space locus constraint based on the analysis of ideal bi-camera measurement model, which eliminates fully camera radial distortion. On the basis, the two creative deductions are gained. The study results are of prevent guidance to moving subject vision measurement with space locus constraint.
对于带平面轨迹约束的两维运动物体，本文根据摄像机透视投影理论，创造性地运用摄像机成像径向约束关系导出一种完全消除径向畸变的位置测量模型；对于有空间轨迹约束的三维运动物体，在分析理想双目摄像机空间坐标测量模型的基础上，以大型吊车空间运动物体为例，提出运动轨迹空间约束平面的概念，导出带空间轨迹约束三维坐标视觉测量模型，这一模型消除了摄像机成像径向畸变的影响；在此基础上得到了两个富有创见性的推论，这一研究成果对一类带空间轨迹约束运动物体视觉测量问题有普遍的指导意义。
The article studies the measurement method for dynamic thermal distortion of laser medium.
中文摘要本文主要是针对激光介质动态热畸变的测量方法进行了研究。
At first, simulate current measurement method to acquire distortion results of torpedo tube.
首先模拟现阶段测量方法获得的鱼雷发射管变形测量结果。
Simulate current measurement method to acquire distortion results of torpedo tube.
首先模拟现阶段测量方法获得的鱼雷发射管变形测量结果。
The method adopted can effectively filter out the noise and low frequency drift produced in measuring process, and eliminate the non-linear distortion of measurement system.
采用的分析方法可以有效滤除测量过程中引进的噪声和低频漂移，并消除测量系统的非线性对测试结果的影响。
In order to set a dynamic tolerance system to shipbuilding, the amount of compensation to welding distortion is decided according to statistic results obtained in time from the on line measurement in procedure of shipbuilding.
要对船舶建造实施动态公差控制，必须根据统计的规律加放焊接补偿量，还要在建造过程中进行适时的测量，并根据测量的结果计算出下一工序允许的公差，从而保证其制造精度达到设计的要求。
It allows the measurement of second order components without interruption of service by measuring the distortion during quiet lines in thevertical blanking interval.
它是通过在场消隐期间的空行上测量复合二阶失真分量而不必使节目中断。
The distortion resulting from antennas deadweight results that the fact surface departures the theoretical surface regularly. At the same time, because of moulding and weld fault, the measurement data departures the theoretical surface randomly. The process of the data processing is composed of three steps.
雷达天线处于架设状态下，由于自重变形导致实际面形偏离理论面，造成变形系统误差；而蒙皮表面加工及焊点接触不良则造成天线面的随机误差。
Considering the measurement of diameter of box tire, a new measurement method called three points measurement which can measure the diameter and the center location synchronously is put forward, With this method, we can know not only the state of axial line of barrel, but also the distortion condition of box tire, and that is unique comparing with the measurement methods at present.
针对这些间接测量方法中轮带直径的测量问题，提出了一种新的能同时测量回转窑简体的轮带直径和回转中心位置的三点测量法。此方法不仅可以得到简体的轴线情况，还能得到轮带的变形情况，这是目前各种动态测量方法中所不能做到的。
Measurement of torsion angular distortion based on Moire fringe［J］.
莫尔条纹测量扭转变形角的方案研究［J］。
If they would have fixed this main problem, I think that this could have been an outstanding tuner because the distortion and noise were the lowest that I have ever seen, that is in the short time frame for measurement before it drifted off kilter.
如果他们就会修理这个主要问题，我认为这可能是一个杰出的调谐设备，因为变形和噪音是我曾经看见的最低的，在它逐渐分开之前，那用于测量在窄的时间帧良好状态。
A method based on X-ray analysis for the measurement of lattice distortion of single crystal was proposed.
在高分辨X射线衍射仪上，利用不对称布拉格衍射STD技术与单晶摇摆曲线技术相结合的方法，对碲锌镉单晶材料的晶格畸变进行了分析测定。
As for long-distance highway project, the distance from different part of the highway to central meridian varies, because of which the distortion of projection length varies. And positioning precision of different measurement segment is not the same. In principle the projection length distortion should be analyzed and the adjustment should be added. But if the project does not range much in the east-west direction, the above mentioned compensation can be omitted. Nevertheless, GPS surveying of highway reconnaissance often covers long distance amounting to even several hundred kilometers.
但对经线跨度不大的一般工程，这种变形所引起的误差在工程所要求的限差之内，可以忽略；可对于经线跨度较大的公路GPS控制网而言，其线路总长可达几十甚至几百公里，工程各部分的投影变形差别很大，必须对这种投影变形所引起的控制点点位误差进行分析，并找出解决这种问题的办法，使公路勘测控制网各部分的点位精度满足现代公路勘测与施工的要求。
By rotating the X-axis of the measurement coordinates, the straightness data of each generatrix are transformed into a unified 3D coordinate system whose Z-axis superposes the least square mean axis calculated with the data of the multiple generatrices. The computer simulations and experiments prove that the construction by rotating the abscissas can effectively eliminate the distortion of the constructed profile.
通过测量坐标系中X轴的旋转，将各条母线直线度偏差数据统一到同一个空间坐标系中，采用两端面圆的最小二乘轴心的连线作为零件轴线，消除了直接构造所带来的表面变形，并能进一步计算出被测内孔的直径、圆度和轴线直线度误差，使测量系统集成化和多功能化。
In chapter 4, the characteristics of GMM vibrators power supply are introduced; The overall design method of the power supply is put forward, constant-current source circuit and AC source circuit are developed separately; experimental testing on power supply system is also carried out, including SNR and distortion factor measurement. The result shows the system performance coincides with the design criterion.
第四章介绍了稀士超磁致伸缩激振器功放系统的特点；提出了功放系统的整体设计思路，分别设计了恒流源电路与交流放大电路；对设计好的功放系统进行了实验测试，包括信噪比、失真度的分析，测试结果表明系统符合设计标准。
In order to change the emphasis of China's remote sensing satellite, launch, light application of the situation in 2005, relevant state departments has embarked on a satellite image compression quality evaluation of technical studies, set up the Chinese Academy of Surveying and Mapping researchers led by Tang Xin-ming remote sensing image compression quality evaluation of the project team, based on in the forefront of space science and technology, quality evaluation as a link to compress around the needs of the practical application of our satellites for the actual characteristics of China's satellite sensors, to the country's resources satellite remote sensing image compression technology based on a set for the mapping, land - and geological and other important industrial applications of satellite remote sensing image compression quality evaluation method, self-designed image structure such as a comprehensive assessment of the quality indicators, the quality of our remote sensing image compression evaluation system was constructed with different regions and terrain types and in different resolution rate video compression standard test collection, research and development of image compression distortion measurement system to achieve a rapid, comprehensive and accurate distortion of compressed images to assess the extent; from image classification, image segmentation, gray profile analysis, image matching, automatic generation of digital surface models and photogrammetric point positioning, etc., in-depth study of the image lossy compression and video applications, relations, China-made satellite compression algorithm and application of the use of the ability to provide an important basis for the direct promotion of home-made satellite from experimental application type to Application service-oriented transformation.
为了改变我国遥感卫星重发射、轻应用的局面，2005年国家有关部门组织开展了卫星影像压缩质量评价技术研究，成立了以中国测绘科学研究院唐新明研究员为首的遥感影像压缩质量评价项目组，立足于空间科学技术前沿，以压缩质量评价为纽带，围绕我国卫星的实际应用需求，针对我国卫星传感器的实际特点，以我国资源卫星的遥感影像压缩技术为基础，提出了一套面向测绘、土地和地质等重要卫星行业应用的遥感影像压缩质量评价方法，自主设计了影像构像质量的综合性评价指标，建立了我国遥感影像压缩质量评价体系，构建了包含不同地区、不同地形类别和不同分辨率的压缩标准测试影像集，研发了影像压缩失真度量系统，实现了快速、全面和准确地对压缩影像的失真程度进行评价；从影像分类、影像分割、灰度剖面分析、影像匹配、自动生成数字表面模型和摄影测量点定位等方面，深入研究了影像有损压缩和影像应用的关系，为国产卫星压缩算法的使用范围和应用能力提供了重要依据，直接促进了国产卫星从试验应用型向应用服务型的转变。
The mathematic model for distortion is discussed. The distortion measurement with a precision goniometer and a bench comparator is introduced.
从畸变定义出发，讨论了畸变数学模型，介绍了精密测角法与比长法综合测量畸变的原理。
Measurement results show that at an output rate of 1KS/s and a supply voltage 0.55V, the SA ADC provides a rail-to-rail input range and achieves a signal-to-noise-distortion ratio of 50.7dB and an effective resolution bandwidth up to the Nyquist bandwidth (500Hz). Its power consumption is as low as 35 nW, corresponding to an energy figure of merit as good as 124fJ/conversion-step. The power of the proposed ADC is 24 times better than the lowest record of the state-of-the-art works as far as we know.
量测结果显示，当使用供应电压为0.55伏特且输出频率为1KS/s时，此连续近似式类比数位转换器可提供轨对轨的输入范围，以及50.73dB的讯号对杂讯谐波比，且此类比数位转换器之功率消耗只有35nW，而其有效解析度频宽可以到达奈奎斯频宽(500Hz)，此时相对应之能源FOM可达124fJ/conversion-step，与已知文献中功耗最低之类比数位转换器相较，此类比数位转换器消耗功率仅为其24分之一，为目前已知消耗功率最低的类比数位转换器。
Measurement results showed that there was obvious cross section distortion in the cut stub columns after cutting, resulting in the large additional initial geometric imperfections along the length, which would affect the axial compressive ultimate strength and the failure modes of the cut stub columns.
结果表明：切割后短柱产生了明显的歪曲变形，进而引起很大的初始几何缺陷，将影响短柱的轴压承载力和破坏模态。