参考面

GB/T13388-1992硅片参考面结晶学取向X射线测量方法

Method for measuring crystallographic orientation of flats on single crystal silicon slices and wafers by X-ray techniques

基于CAFD的定位参考面建模及误差分析

CAFD-based location reference plane modeling and error analysis

将电子光栅投影到被测物或参考面后，使用CCD进行图像采集，并通过视频采集卡将采集的图像数据传到计算机中保存。

As the electrical grating is projected on the measuring object or a reference plane , images can be collected by CCD , and the data of images can be transferred to the computer and be saved by using a video collection card .

一种LEC-GaAs单晶位锗密度检测和参考面制定的方法

A Method for Inspecting the Dislocation Density and Preparing the Reference Faces in LEC-GaAs Crystal

介绍了一种针尖前移的在片SOLT校准方法，使用这种校准方法可以将测试参考面直接校准到内部被测件，从而可以进行无去内嵌（De-embedding）操作的直接测量。

The ' tip-extension ' SOLT calibration , after which the measurement references plane arrive at inner-DUT , has been developed for direct measurement without de-embedding of on-wafer DUTs .

仪器的横向分辨率为2μm，高度分辨率为1nm，它不需要对试样作大范围的调整，且可用试样自身作参考面。

The lateral resolution is less than 2 μ m and the vertical resolution is less than Inm . No extensive alignment of the sample is needed and the sample is used as reference surface also .

可以发现在4GHz时TRL校准测试消除了一部分夹具损耗，且对直通件进行评估发现，测量参考面确实移动到了被测件附近。

It is obviously that to take TRL calibration method can really eliminate a portion of loss of the test fixture , and indeed , the reference plane is moved to the DUT around by this way .

网孔状地参考面上高速互连的信号完整性分析

Analysis of Signal Integrity of High-Speed Interconnects on Meshed Ground Plane

GB/T13387-1992电子材料晶片参考面长度测量方法

Test method for measuring flat length on slices of electronic materials

计算机辅助夹具设计的定位参考面建模与位置误差分析

Location Reference Plane Modeling and Error Analysis Based on CAFD

势是相对于任意参考面而定义的。

Potential is defined relative to an arbitrary datum .

不同参考面块体应变计算公式的对比分析

The comparative analysis of block strain calculation formulas based on different reference surfaces

光波场在垂直光轴方向的参考面上的复振幅研究

The complex amplitude of light wave fields in the reference plane vertical to optical axis

参考面单元模式及其在分层梁振动分析中的应用

Model of reference surface element and its applications in dynamic analysis of laminated beam with delamination

全局参考面在零件装配中的应用

ON GENERALIZED CENTER OF COMPLIANCE AND STIFFNESS OF MANIPULATOR Application of Overall Reference Plane to Assemble the Parts

最后，给出了网孔状地参考面高速互连的设计规则。

Finally , the design rules for high-speed interconnects on the meshed ground plane are derived from the results obtained .

数值计算表明了，该参考面模式对干预测分层梁结构的振动频率和模态的正确性、实用性。

The numerical results obtained showed that the present reference surface element model has reliability and practicality to predict frequencies and mode shape of delaminated beam structures .

该技术通过平移实物参考面，测得其上位相分布，利用其位移距离与位相增量之间的关系，以最小二乘方法计算位相差与物面深度之间的映射关系。

According to the shifted distance and the phase increment , the mapping relationship between phase difference and depth of object can be determined by a least squares method .

从波动微分波动方程出发推导光波场在垂直光轴方向的参考面上的复振幅表示。

Starting from the wave differential equation , a method is deduced to express the complex amplitude of light wave fields in the reference plane which is vertical to the optical axis .

推导出在同一参考面穿孔换能器的等效质量、等效电阻的表达式，进一步得到换能器的机械品质因数和带宽的表达式，得到穿孔尺寸与这些参数之间的关系，从而设计出宽频带换能器。

The expression of the equivalent mass and equivalent impedance on a side of the transducer are educed , moreover , the expression of mechanical quality factor and band wide are obtained .

利用采集的待测物体栅线图样中未变形区域对应相位信息，通过最小二乘迭代法数据拟合，获得理想参考面相位分布参数，也就是获得理想参考面上的相位分布。

The ideal phase distribution of the reference plane can be achieved according to the parameters which are computed by the least square interactive fitting of the corresponding phase of captured specimen grating .

传统公路测量中，一般将实测边长进行高差改平后即使用。此法边长投影变形很小，但由于没有统一的归算参考面，当施测线路过长、高程变化较大时，测量成果精度难于保证。

Precision of surveying achievement is difficult to ensure because of calculating coordinate directly with plane side-length of actual observation when route is over long and the change of height difference is rather big .

球面面形绝对检测技术可以去除干涉系统中参考面面形误差，提高了被检球面面形的检测精度，而成为一种有效的高精度的球面面形检测方法。

Absolute spherical surface testing technology , which could eliminate the sysetem error such as reference surface error and higher accuracy of the surface profile testing , is effective methods for high-precision spherical surface measurement .

本文进一步论述施工椭球面作为高斯投影参考面，可以减小起算点的定位误差对隧道控制网尺度的影响。

It is further explained in this paper that construction ellipsoidal surface is used as reference surface of Gauss Projection , which may reduce the influence from positioning error of initial point on control network scale .

球面面形绝对检测技术通过多次测量可以去除干涉系统中参考面及标准镜内部误差等因素引入的误差，成为一种有效的高精度的面形检测方法。

The absolute measurement , which could deal with the system error such as reference surface error or transmission lens error to obtain an absolute calibration of a spherical surface , is effective methods for high-precision testing .

本文提出用二元二次有理多项式模型来描述不同高度的参考面上展开相位分布，并用一阶泰勒级数展开实现了最小二乘迭代求解。

In order to express the phase on every plane , a two-parameter second-order rational polynomial is proposed , and then a first-order Taylor series expansion is employed to obtain the polynomial coefficients based on the iterative least-square method .

基于本文建议的床面层高度及参考面平衡浓度公式，建立了悬移质输沙率计算方法，取得了满意的输沙率计算精度。

Based on the present definition of thickness of bed layer and the formula for equilibrium sediment concentration at it , this paper also gives a calculation method for suspended load transport , and this method gives a satisfactory accuracy in verification .

所述的光学轮廓仪是利用双焦透镜产生的偏振光束经被检面反射后形成了一共路干涉体系，因此该干涉体系可对超光滑表面做非接触无损检测而无需标准参考面；

With the polarization beam produced by double focus lens reflecting by the detection plane , the described optical profiler forms a commonpath interference system , so a nondestructive detection for the ultra smooth surface can be carried out by the interference system without standard reference plane .

根据该思路设计出光栅生成软件，该软件能生成一个条纹周期、相位变化规律与周期均匀的光栅倾斜投影到投影参考面上时得到的参考面上的光栅的变化规律相反的光栅。

According to the idea , a grating generation software is designed . The software can generate a grating whose grating cycle and phase variation is contrary to the variation of grating obtained in the reference surface tilt project using grating with uniform cycle to the projection reference surface .

基于参考像面法的CCD摄像机标定新技术

A New Camera Parameter Calibration Technology Using Reference Image Plane Method