查询词典 arc hyperbolic function

This guidance law avoids the chattering of line-of-sight angular rate of attack missile by introducing the hyperbolic tangent function .

该导引律设计主要通过引入双曲正切函数，消除了攻击导弹的视线倾角增量变化律的抖动现象。

It is based on the–expansion method and the extended hyperbolic tangent function method,and the Poincaré's qualitative theory is also led in.

LS解法是基于展开法和扩展的双曲正切函数展开法。

The shear moduli in two directions were assumed to vary in terms with hyperbolic function .

假设剪切模量沿着梯度方向都按双曲函数变化，采用积分变换-对偶积分方程方法，求得了裂纹尖端应力场和应力强度因子，并研究了材料不均匀参数对应力强度因子的影响。

In order to improve the dynamic characteristics of above motor drive, a nonlinear PI type speed controller based on hyperbolic tangent function was presented, and applied in the indirect vector control of an induction motor.

过去30年中，模糊控制技术在非线性系统的建模和控制领域中获得了深入研究和广泛应用[1]，研究发现，它比传统线性PI控制技术在感应电动机矢量控制系统中有更优越的动态控制性能，但也存在要求较多的实际经验、实现代价较高和高频抖振等不足之处[2]。

A theoretical model for predicting ground displacement and deformation due to mining of phosphate body in Wenjiaping by using hyperbolic tangent function was given in this paper.

针对文家坪磷矿地下开采岩体移动变形问题，给出了用于预测分析地下开采引起地表移动变形的双曲正切函数模型。

During the stage with steady pressure, the strain-time curve can be fitted with hyperbolic function; and the influence of loading rate on the strain-time behavior in this stage is obvious.

基于静三轴仪，进行控制不同加载速率的连续加载K0固结试验，研究连续加载条件下K0固结过程中土体的变形特性及加载速率的影响。

Given a hyperbolic plane H2(-1)=,whose sectional curvature k is function K is the Gaussian curvature of the conformal metric g = e2ug ,then K satisfies the conformal Gauss curvature equation .

设H~2(-1)=是具常截面曲率k==1的双曲平面，其中B={∈R~2：x~2+y~2＜1}是单位圆盘，g=4(dx~2+dy~2)/(1-x~2-y~2)~2是所谓的Poincaré度量。考虑H~2(-1)上的共形形变度量？

One important feature ofHamiltonian systems is that it has energy(its energic function is Hamiltonian func-tion),then,its solutions on 2-dimensional plane are some contour lines,the points onstable manifold emanating from hyperbolic equilibrium point have the same energyas that on unstable manifold,then,one can guess that they form a closed curve,i.e.homoclinic orbits under certain conditions,and the contour lines in the innerpart of homoclinic orbit are periodic orbits.

哈氏系统的一个重要特征是它有能量存在(以Hamiltonian函数作为它的能量)，那么在二维平面上，它的解表现为一些等值线，从双曲平衡点发出的稳定流形和不稳定流形上的点具有相同的能量，那么可以猜测，在一定条件下它们构成一条封闭的曲线，即同宿轨，而且其内部的等值线都是周期轨道。

The high-temperature thermal simulation experiments of 1Cr12Ni2W1Mo1V alloy show that the high temperature compression flow stress of 1Cr12Ni2W1Mo1V alloy accords with hyperbolic sine function.

对1Cr12Ni2W1Mo1V合金进行的高温热模拟试验表明，该材料高温压缩下的流变应力符合双曲正弦函数关系。

The interrelations of flow stress and strain rate can be described by a hyperbolic sine function for 7075z aluminum alloy during the process of high temperature deformation.

其高温塑性变形过程中的流变应力与应变速率之间可用双曲正弦函数来描述。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样