查询词典 hyperbolic tangent

An enhanced drain current model,along with an improved charge conservation capacitance model,is presented by the improvement of the channel length modulation and the hyperbolic tangent function coefficient based on the Materka model.

在Materka漏电流模型基础上，改进了沟道调制因子和饱和电压系数的建模方式，电容模型采用了改进的电荷守恒模型。

Another reason why hyperbolic tangent is a good choice is that it's easy to obtain its derivative.

另一个原因双曲正切是一个很好的选择是很容易得到它的导数。

One good selection for the activation function is the hyperbolic tangent, or .

一个用于激活性能好选择是双曲正切或。

Aiming at this,this article proposed the "process control" method and established the process curve based on hyperbolic tangent function .

针对这种情况，提出了土钉支护结构水平位移安全监测"过程控制"的概念，建立了双曲正切函数的过程曲线，旨在对土钉支护结构施工全过程做到安全有效的监测和控制，并将所建立模型与理正岩土计算软件的结果进行比较，较好地符合计算结果。

A new variable step size LMS algorithm with improved hyperbolic tangent function is presented, which is derived by the extensive review about some existing LMS algorithms.

在详细分析现有变步长LMS算法的基础上，给出一种以双曲正切函数的改进形式为变步长的LMS算法。

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。

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]。

In this paper, hyperbolic tangent function method and its some extensions suchas sine-cosine method, extended tanh method, F-expansion method and Jacobi ellip-tic function method are summarized, the idea and technique of hyperbolic functionmethod are explored.

本文对双曲正切函数法及sine - cosine方法，扩展tanh函数法，Jacobi椭圆函数展开法， F-展开法等一些主要的双曲函数方法及其扩展进行了系统的归纳与总结，揭示了双曲函数法的构造思想与技巧。

This invented simplified algorithm is to use sectional linear judgement method or looking-up table method to replace the hyperbolic tangent judgement. The substance is to use sectional linear judgement function L or judgement function T of looking-up table to approach the hyperbolic tangent function tanb.

为了解决这个问题，本发明的双层加权并行干扰对消算法的简化算法用分段线性判决方法或者查表法来代替双曲正切判决，其实质就是用分段线性判决函数L或者查表法的判决函数T逼近双曲正切函数tanh。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。