查询词典 calculation

This paper has also done the following work to mend the bugs in the former version: Breaking through the size limit of screen, therefore, it took only one time to form the reliability block diagram of a complex system consisting of many components.;Three kinds of life distributions have been applied: Gamma,Beta,Weibull; Interborough estimate has been done to system MTTF; Optimizing the calculation method of complex system consisting of several sub-systems; Improving calculation speed greatly.

本文对上一版软件的不足部分加以了改进：突破了屏幕大小的限制，对于一个由很多元件组成的复杂大系统，只需一次就可以构造出其可靠性框图；增加了三种元件的寿命分布型式：伽玛分布、贝塔分布和威布尔分布等；增加了对系统的平均寿命的区间估计；改进了计算由几个子系统组成的复杂大系统的计算方法；全面提高了运算速度。

Firstly, nonlinear diffusion filter was used to wipe of noise efficiently and kept the edge information of the image. Secondly, gradient calculation of pixel diagonal direction was considered in the calculation of neighborhood gradient amplitude which further repressed the impact of noise. Thirdly, using average interclass variance, the self-adaptively double thresholds for different images were calculated.

首先采用非线性扩散滤波减少了图像噪声，同时保持图像的边缘信息；在邻域梯度幅值计算中，考虑像素对角线方向的梯度，进一步抑制了噪声的影响；最后采用平均方差阈值法选取阈值，从而提高了对不同图像的自适应性。

Consider for example a program that is specified as only having to work with values in the range 0 to 25000; a programmer might reasonably choose to use two-byte integers to represent such values. However, a calculation like "work out 85% of 24760" could cause problems, even though the result (21046) is in range. If the calculation is done by multiplying 85 and 24760, the intermediate result 2104600 is out of range.

考虑一个例子：一个程序被详说明其所处理的数值的范围是0—25000，一个编程者可能选择2-字节整数来表现这个值，然而，一个如，"算出24760的85%是多少"的计算可能产生问题，即使结果（21046）在范围之内，因为如果计算的过程中需要用85乘以24760，那么这个中间值——2104600超出了2-字节整数的范围。

According to variable flow rate testing analysis theory, in view of the pressure characteristics only appeared in intermittent production period in exploration wells, it gives the sectional calculation idea of steady flow, pseudo-steady flow and DST and provides the calculation methods of steady time and pseudo-steady time etc.. It realizes more accurate simulation of downhole pressure history and improves the accuracy of pressure history matching.

利用变流量试井分析理论，针对开发井间歇生产期才有的压力特征，提出了稳定流动、拟稳定流动及DST流动的分段计算思想，并给出稳定时间、拟稳态时间等计算方法，实现了井底压力历史的更为准确地模拟，提高了压力历史拟合精度。

Taking the overall design of JG6120 interurban coach as an example, the preliminary evaluation of the bus load distribution, dynamical performance, economical efficiency, brake performance, steering controllability, and slide performance are carried out. It is the first time to put forward the idea of evaluating the bus performance with KBE; a new calculation method of the bus roll stability angle and a new calculation formula of the bus sliding time and distance are raised too.

以为重庆金冠开发的JG6120长途客车总体设计为例，开展了对载荷分配、动力性、经济性、制动性、操纵稳定性和滑行性的预评价研究，提出了KBE技术在客车总体设计性能评价中的应用，提出了客车静止在横向坡道上的最大侧倾稳定角的新算法，提出了计算客车滑行时间、滑行距离的新公式。

In many cases, when the source number is not known in advance, the selected number in model may not be equal to that of the actual one. In respect of this problem, a calculation is also carried out, and a discrimination criteria is proposed based on results of inverse calculation.

在事先不能确定磁源数目时，对反演模型中选择的源数目与实际源数目不一致时的情况亦进行了计算，并根据反演结果中出现的不同情况给出了相应的判别准则。

This paper introduces the application of modern signals processing technology in MFL signals processing based on the models of forward calculation and inverse calculation,and finally describes the direction of further research on MFL testing technology.

介绍了漏磁检测的正演计算模型及反演计算模型，阐述了现代信号处理技术及其在漏磁信号分析中的应用，指出了漏磁检测需要进一步研究的内容。

The research of both theories and practices of gridding in the dissertation shows that: Linear interpolation based on triangulation is simple computationally and fast, but its gridding results isn't smooth and its precision is low; Multiquardric method is also simple computationally with high precision and good effect, but its gridding is slow because it is based on global calculation; Minimum curvature method is fast with high precision and good effect, but its gridding quickly degrades over areas with sparse data control when grid spacing smaller than the actual grid spacing is used; Ordinary Kriging method is high-precision, but its gridding is slow because of large calculation; Inverse interpolation is a computationally fast, efficient and robust method with high accuracy and perfect effect, and its gridding results of different gridding orientations are basically identical. Inverse interpolation is suitable for thegridding of geophysical irregular data, especially for large-scale geophysical irregular data.

本文的方法研究和数据试验分析表明：基于三角网的线性插值法计算简单，速度快，但其网格化结果不光滑，精度不够；多元二次函数法计算简单，网格化精度高，效果良好，但它是基于全局计算的，计算速度较慢；最小曲率法计算速度快，网格化精度高，效果良好，但其在稀疏控制点的网格化容易出现振荡现象；普通克里格法网格化精度高，效果良好，但其计算量较大，一般计算速度慢；反插值法网格化计算稳定，速度快，精度高，效果好，而且在网格化方向不同的情况下其网格化精度效果都达到基本一致，适合于地球物理不规则分布数据的网格化，特别是大规模地球物理不规则分布数据的网格化。

The present invention has simple and efficient calculation and rapid calculation speed, can meet requirement of resent field wavelet simulating far field wavelet, is convenient for estimating and regulating quality of air gun array and can obtain exact inverse wavelet operator and improve the distinguish of earthquake data.

本发明计算简单、有效，而且运算速度极快，完全能够满足近场子波模拟远场子波的要求。方便了对气枪阵列的质量评价和调整，可求取较为准确的反子波算子，提高地震资料的分辨率。

This paper introduces three traditional ways which are use coefficient lumimethod, power to square ratio method, inverse square law to do the lamination calculation for the representative room and deck, and do some contrast for the room which can use two way to do the calculation .

本文采用传统的三种照度计算方法：利用系数法、比功率法、逐点法对相应典型舱室和甲板进行了照度计算，对一些可以用两种方法计算的舱室的计算结果作比较并分析了原因。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。