在此基础上，引入二维FFT技术，对半色调误差图象的质量进行了分析研究。
On the basis of which the two dimentional FFT technology is introduced to analyse the quality of error between the halftone image and the original image.
主要分析对流层的折射效应对超视距雷达信号定位的影响，并且给出相应的折射误差图（仰角误差和距离误差）；
The refraction effect on positioning of the over-the-horizon radar signal is analyzed. The charts of the refractive error(elevation error and range error) are also given.
复杂图形的例子包括专业化的条形图和须状图，带有完整误差的时间序列条形图，颜色编码和密度图，以及许多其他可能的图。
Examples of complicated graphs include specialized bar-and-whiskers plots, time-series with sophisticated error bars, color encodings and density plots, and many other possibilities.
建立头图法的误差是固定的。
当相移器存在的相移误差包括位移误差与倾斜误差时，同一幅干涉图诸像素点的相移并不同步，但其相移量在同一平面上。
If the reference mirror has tilt and piston errors caused by phase-shifting, the phase shifts of the pixels along the same interferogram are not a constant, but they are still kept on the same plane.
如果不存在透镜的曲率误差，那么图象总是显示的屏幕中心的同一个位置。
So no lens bending error. The sensor Pixel is always the same and it is in the centre.
针对故障分布模型不唯一这一特点，本文提出采用图分析和误差面积比指数从定性和定量两方面确定其最优分布模型。
The model of failure distribution is not the single one, so the optimum distribution model is determined by applying method of chart analysis and error area ratio.
通过对计算机模拟漫射体产生离面倾斜的时变散斑图，计算其均方根误差值，进行了验证。
The out-of-plane tilting speckle interferogram is computer-simulated and the RMS phase error is calculated to verify reliability.
分析了用变形能网格图计算斜碰撞速度时产生误差的主要原因。
The main reason producing error is analyzed when using deformation energy square calculates oblique collision speed.
并用方块图与反馈控制理论导出了这种调速回路速度刚性的数学表达式，估算了由负载引起的速度误差。
By block diagram and feedback-control principles expression is derived for speed-stiffness in the loop and speed error due to load calculated.
探讨了失栅转化过程中图像质量的两种误差估计方法，给出了计算公式，同时用贵州电力地理信息系统中的矢量图进行验证。
This paper deals with the error estimate in the data conversion, offers calculating formulas and validate the estimate by GIS vectorgraph at Guizhou Power Company.
本文已证明此展开图的面积的相对误差相当小。
It has been shown that the relative error of the area of this approximate developing pattern is rather small.
文中重点讨论了产量图的绘制、产量数据的误差处理。
Painting of yield map, error data processing are mainly discussed in this paper.
本文主要分析采用数字式测量时，标准测试球的安装偏心对回转轴径向误差运动圆图象的影响。
An analysis is given to the effect of centering error of the mechanical mounting of the master ball in a digital measurement upon the radial motion polar plot of an axis of rotation.
本文介绍了合成孔径旁视雷达图象几何误差的产生原因与分析了楔形透镜的校正原理。
This paper reports the causes of image geometry error for synthetic aperture side-locking radar (SALE) and analyses of correcting principle with wedge-len.
对于专门进行地震定位研究的工作，还提供了绘制地震定位误差二维等值线图和三维误差分布图的功能。
For special earthquake location research, it also provides function to draw two dimensional isogram drawings of earthquake location error and distribution drawings of three dimensional error.
该算图与国外计算成焦率的诸公式相比较，不仅适用范围广，而且精度高、误差小。
The diagram has not only widely used range, but also higher accuracy than that of formulas from abroad.
以精确算例和等误差分布图的形式检验了本文方法以及其他两种常用方法的精度。
An exact sample problem and iso-error maps are given to test the accuracy of the present method as well as two other commonly used ones.
本文详细介绍了亚洲陆海大地貌图在计算机编制过程中的误差校正问题和所采用的有效进行误差校正的方法与具体实施过程。
The paper introduces the error correction during computer aided compiling with Terra and sea relief map of Asia. some efficient methods of error correcting and detail applied process.
文章通过对图象误差来源的具体分析，阐述了利用数字方法对图象误差进行几何纠正的方法。
Through concrete analysis on the source of image errors, this paper expounds the ways of making geometrical correction for image errors by using digital method.
对已有的房产分丘图进行拼接套嵌过程中，由于坐标误差及方位误差的存在，导致了图形拼接套嵌后的变形。
During the course of joining together part graph of the house property, because of the errors of coordinate and the errors of azimuth, the graph would be deformed.
为解决区域化探中的多图幅系统误差校正问题，提出了一种最小二乘准则下的计算方法。
To solve the problem about multi-map systemic error correction in regional geochemical exploration, a computing method based on the least squares methods is developed.
图1所示为理想和带增益误差的3位ADC转换器的传递方程。
Figure 1 shows the transfer function of an ideal 3-bit ADC and the same converter with gain error.
分析了导致图象拼接累积误差的因素，提出了图象拼接累积误差的消除办法。
The paper analyzed the causes of the cumulative error produced in the procedure of Image Stitching and gave the solution for it.
讨论了主轴径向误差运动园图象的分析处理和评定方法。
The analysis, treatment and evaluation method are discussed about the POLAR PLOT of shaft radial movement deviation.
通过对经纬仪测绘法1：50 0地形测图过程中各个工序的分析，得出了1：50 0地形图上的点位中误差。
Through the analysis on every procedure of surveying 1:500 topographic map with the method of transit mapping, the position error of 1:500 topographic map is got.
针对以往钻井地质设计中采用构造图结合实钻资料法进行剖面深度设计误差较大的不足，该文提出了一种新方法。
The paper presents a new way which can reduce the deficiency ot depth section design that is according to the structure diagram and real-time drilling data.
文中还对楔板引入的横向剪切误差和相移误差进行了分析，最后给出了实验所得的一组相移干涉图。
The lateral shear errors and phase shift errors induced by wedge plates are also discussed, and the experimental results of phase-shifting vectorial-shearing interference fringes are given.
文中还对楔板引入的横向剪切误差和相移误差进行了分析，最后给出了实验所得的一组相移干涉图。
The lateral shear errors and phase shift errors induced by wedge plates are also discussed, and the experimental results of phase-shifting vectorial-shearing interference fringes are given.
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