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Current tuning is introduced, and the speed open-loop transfer function is established based on current closed-loop. A mathematical inequation about the speed open-loop transfer function is deduced, then the measured amplitude-frequency data is introduced in the inequation, thus the mathematic expressions about moment of inertia and mechanism time constant are obtained.

引入了电流校正环节，建立了基于电流闭环的速度开环传递函数，推导了关于该速度开环传递函数的数学不等式，再将实际测得的幅频特性代入此不等式中，得到了关于转动惯量和机械时间常数的数学表达式。

Mechanical inertia identification method was deduced from the current model and the mechanical model of the PM motor.The gain of the speed controller was obtained through the mechanical inertia,a group of controller gains obtained through several turns of identification.

首先通过电机电流和电压方程以及运动方程推导出转动惯量的计算方法，再根据系统的转动惯量计算出速度控制器参数，在进行多次辨识和计算后，可以得到一组速度控制器参数。

An international advanced target tacking algorithm, which is an analytical trackingprocess based on the affine transformation model by simulating biological vision machinery, isalso introduced. And the mathematical denotation for the infinitesimal generator of affine Liegroup is deduced in this paper.

论文的主要工作包括： 1、介绍了靶场测量中火箭三维姿态的光学测量方法及其理论基础，着重对单相机测量滚转角的四区域轮廓螺旋线法进行了深入探讨和研究，对该算法进行了编程实现，利用仿真图和靶场某型火箭的数字图像对该算法进行了检测，对测量结果进行了精度分析。

This paper is a report of a light frequency equation of inflexion on Planck function we have deduced in light of Planck formula.

基于普朗克公式，利用微分方法导出了普朗克函数的拐点光频率方程，并通过牛顿迭代法求出了这个方程的两个根，进而找到了可求任意温度下两个拐点光频率的普遍公式，为研制热辐射测温仪工作波长的选择提供了技术参考。

The method is deduced for the model of inhomogeneous medium in this dissertation.

文中针对全非均匀介质模型，详细推导了这种方法。

Firstly,the generic conception of symmetry for a real sequence was proposed,and then,the symmetry-decomposition and the symmetric degree sequence are presented,which are deduced from the projection theory,the orthogonal-decomposition theory in inner product space and .

首先提出序列信号一般意义下的对称概念，然后由内积空间中的投影、正交分解理论以及内积量化两个信号线性相关程度的特性导出任意信号的对称分解及对称程度序列，对称程度序列定量刻画了信号随对称点的变化时对称特性的变化，在此基础上得出任意序列信号对称程度的定量指标——对称性指标。

The relationship between the instantaneous value of measured current and the temperature rise was deduced,and the mathematical model of the current transformer was established.

论文中推导了被测电流瞬时值与温升的关系，得到光纤电流互感器的数学模型，利用这一模型，理论上证明了传感器温度输出能准确跟随电流瞬时幅值的变化，量值上有确定关系，能够用来测量电流瞬时值的绝对值。

The deduced results are instructively important for analysing chemical reactions and chemical processes.

导出的结果对化学反应和化工生产过程的分析具有指导意义。

According to the mathematics principle, three kinds of Differential equations of carry phase are deduced. The paper studies the theories and the method of integer ambiguity solution, especially researches some important methods of OTF.

依据数学原理推导了利用载波相位观测量进行定位的单差、双差、三差的相对定位差分方程：简要分析了求解整周模糊度的一般方法的流程，系统地研究了整周模糊度的解算理论和方法；对目前在线解算整周模糊度的几种重要的方法进行了理论分析。

Based on the Guldin's first theorem, it was deduced that the general formula to calculate the rotating surface area which is shaped by rotating the curve Г in a plane around the L-axis in the space by using curve integral.

依据古鲁金第一定理推证，得到利用曲线积分计算空间某一平面上的曲线Г绕直线L旋转而成的旋转曲面面积的通用公式；利用曲线积分计算xoy面上的曲线c绕直线L旋转而成的旋转曲面面积的通用公式。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。