距离公式

A simulation model of diffraction on Focal Plane Array imaging is established based on Fraunhofer diffraction algorithm. The effect of diffraction between two units on FPA in different distance is cal-culated by using Matlab.

采用夫朗和费衍射计算公式，建立了红外焦平面阵列成像衍射仿真模型，并用Matlab软件对不同距离探测像元之间的衍射影响进行了仿真。

The pangola grass with different length was throwed by the free body falling method and the passing time was measured using two infrared ray sensors. The calculative terminal velocity V was calculated through the time and distance. The exeperimental terminal velocity V of grass with different length was measured by the floating method.

本研究之目的乃是以盘古拉牧草为研究对象，改变不同长度的牧草茎，首先以自由落体法，利用红外线感测器量测出时间，藉由时间与距离之关系，代入公式得到计算终端速度；其次以浮力法，量测出不同长度的牧草茎之实验终端速度。

Firstly, the equivalency of case deletion model and mean-shift outlier model is investigated; and several diagnostic measures, such as Cook distance, generalized leverage, residuals, and likelihood ratio statistics et al., are obtained. Secondly, we investigate the local influence for the models, several commonly-used perturbed models are studied, and the close forms of influence matrices are obtained. At last, a real example illustrates that our method is available.

首先，证明了均值漂移模型与删除模型的等价性，并得到了残差、Cook距离，似然比统计量等诊断统计量；其次研究了该模型的局部影响分析，得到了局部影响分析的曲率度量；并分别对常见的扰动模型进行分析，得到了计算影响矩阵的简洁公式；然后，通过实例验证了方法的可行性。

For convex domains of strict finite type, we use the pseudodistant constructed by McNeal to estimate the kernel of integral representation formula of d-bar.

对于一般的严格有限型凸域，我们使用McNeal构造的拟距离来估计d-bar方程解的积分表示公式中的核。

In this article, two-electrodes interference function on mines is introduced and their magnetic field calculation method and formula are presented.

介绍了二电极对水雷的干扰功能，给出了二电极的磁场计算方法和公式，比较了舰船和二电极在不同水深和正横距离情况下的磁场强度曲线，得出了二电极干扰水雷引信的可行性结论。

Based on DEM data and by using GIDS method as the interpolation formula, it is derived that there is a latitudinal distribution of annual precipitation, and the precipitation is closely related to landforms.

空间分析是以DEM数据为基础，采用梯度距离平方反比法作为差值公式，得出整个流域的年降水量呈纬向分布特征，降水量的大小与地形分布有着十分密切的关系。

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。

The resistivity was calculated following the equation ρ=PA/L, where ρ is the resistivity in kΩ.cm, R the electrical resistance in kΩ, A the latten area in cm2, and L the distance between electrodes in cm.

电阻率的计算公式后，ρ=尼龙/ L，其中ρ是在kΩ。cm电阻率，研究在kΩ的电阻，一个平方厘米的黄铜薄片地区，和L电极之间厘米的距离。

Firstly,an edge detection method based on Facet model is used to extract the sub-pixel edges.Secondly,the method of minimizing distance search is studied to separate and sort the edge of the measured object.

首先采用基于Facet模型的边缘检测算法提取亚像素边缘，然后通过最小距离搜索法分离出待测目标的边缘点并排序，最后利用离散化的格林公式计算面积。

When the distance between microstructures is larger than 1μm, the influence of space charge is a negligible quantity, and the approximation of metal formula could be used.

研究了介观尺度下半导体表面空间电荷层对微结构间静电作用力的影响，并同宏观尺寸下采用的金属近似公式进行了比较，揭示了半导体表面空间电荷对静电作用力的影响同微结构间距离、材料掺杂浓度等因素的关系。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。