论述了极指数栅格坐标和极对数坐标变换原理以及在测距方面的应用。
This paper described the transformation theory of polar_log grid coordinate and its application to distance_measuring.
模型类型包括频率直方图、累积频率分布图及双对数坐标表示的理论分布模型。
The model types include frequency histogram, cumulative frequency distributing graph and theoretical model with double logarithmic coordinates.
转速升高，混合时间缩短，混合时间与功率消耗在双对数坐标系下呈线性关系。
In the double logarithm coordinate, the relation between the mixing time and the power consumption is linear.
在双对数坐标图上，毛细管压力与含水饱和度呈线性关系，但平衡时间大大缩短。
The capillary pressure versus saturation relationship appears to be linear on the dual logarithmic coordinate diagram. However, the equilibration time has been decreased greatly.
模型类型包括频率直方图、累积频率分布图以及双对数坐标表示的理论分布模型。
The model types include frequency histograms, cumulative frequency distribution graphs and theoretical model with double logarithmic coordinates.
对于气井，在双对数坐标纸上绘出流量对平均储层压力与井筒压力平方差的关系图。
For a gas well the flow versus the difference of the squares of the average reservoir and wellbore pressures are plotted on log-log paper.
试验结果表明，在单对数坐标中土壤的微波反射损失随其圆锥指数增加而呈线性减少。
The results show a definite correlation between the microwave reflection loss and soil strength expressed in term of cone index.
拟合结果证实了三种接头载荷寿命曲线在单对数坐标下为指数曲线段这一假设的正确性；
The fitted result proves that the hypothesis that load-life curve in single logarithm should be exponential curve is right.
注水开发油田累计产水量和累计产油量存在一定的相关性，在半对数坐标上呈近似直线关系。
There is a correlation between accumulated water production rate and accumulated oil production rate, which is a linear relation on semilog coordinate.
他设计的第一个图形是一个带有一对对数坐标轴的气泡图，一条轴显示的是收入，另一条是健康。
The first graph he designed was a bubble chart that had double logarithmic axes, with income on one axis and health on the other.
累积塑性应变能随着加载频率及应力水平的增加而增加，与疲劳寿命在半对数坐标下呈线性关系。
The cumulative plastic strain energy increases with the increase of the loading frequency and stress level, which is linear with fatigue life on semilog coordinate.
在双对数坐标系中，由低孔隙到高孔隙整个范围，砂岩地层因素与孔隙率的关系为一个二次函数。
It was found that in double logarithmic coordinates, the relationship of formation factor and porosity is a second order function and no longer the linear formula proposed by Archie in 1940's.
在双对数坐标图上，用实测压力数据和理论无量纲压力曲线拟合，求出低渗透岩心的启动压力梯度。
The TPG is solved by comparison testing pressure curve with theory curves in single log coordinate system.
提出并采用多区间直线拟合的方法来处理对数坐标连续曲线，介绍了多区间直线拟合方法的原理和求解策略。
The theory and solution strategy of the method of multi-interval linear interpolation are illuminated in this paper to deal with the continuous curve chart.
适当地调整图谱的坐标形式，如采用对数坐标形式或采用两段不同的单位坐标值形式等，可显著改善指纹图谱的质量。
Changing the form of coordinate axis could observably improve the quality of fingerprint, such as logarithmic coordinate axis or axis break.
通过将对数极坐标和傅立叶变换结合，完成旋转不变的傅立叶纹理特征提取。
In this paper, we incorporate Fourier transform with Log-Polar transform to achieve rotation invariant texture analysis.
通过采用对数极坐标映射，可将空间均匀取样得到的图像变换成非均匀取样的图像，从而减小冗余像素，压缩了搜索空间。
An uniform sampling image can be transformed to a space variant sampling image by log-polar coordinate mapping which reduces the searching space and redundant pixels.
工件坐标系的建立，是数控加工中一个非常重要的环节，它对数控编程、加工质量都会产生重大影响。
The establishment of workpiece system is a key link in nc machining, and it has a great influence upon nc programming and machining quality.
在对数据进行清理的基础上，分析了各站坐标分量噪声的功率谱密度，计算了表征各分量的噪声特性的谱指数。
On the basis of data processing, we analyze the power spectrum density of coordinate component noise at each site and calculate the spectral indexes manifesting the noise property of each component.
提出了一种利用图像特征空间信息的核函数——层次对数极坐标匹配核，用于遥感图像建筑物目标的分类。
This paper proposes a kernel function - hierarchical log-polar matching kernel which making use of the feature spatial information for building classification in remote sensing images.
给出了对数极坐标变换的FPGA实现方案。
The FPGA implementation scheme of LPT is also discussed in the paper.
并对数控车床的坐标系和常用的对刀方法进行详细的介绍。
This article has carried on the detailed introduction on coordinate systems of the numerical control lathe and common methods to definite the position of cutting tools.
由于对数字影像内定向时框标的识别与定位是从数字影像提取数据的关键步骤，框标中心坐标确定的准确度将直接关系到所提取数据信息的精度。
Because the reference mark automatic recognition and locating is an important step detecting data from digital image. The veracity of the focus of mark is related to the nicety of data.
由于对数字影像内定向时框标的识别与定位是从数字影像提取数据的关键步骤，框标中心坐标确定的准确度将直接关系到所提取数据信息的精度。
Because the reference mark automatic recognition and locating is an important step detecting data from digital image. The veracity of the focus of mark is related to the nicety of data.
应用推荐