查询词典 tangent function

One channel of the DS-QPSK signal could be simplified by the high correlation orthogonality of PN code, and then phase error detection was implemented through the reference of detecting phase error for BPSK signal with arc tangent function.

PN码具有很好的相关特性，可以简化DS-QPSK信号中的一路信号，进而借鉴二相相移键控信号的反正切鉴相方式完成鉴相。

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。

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]。

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。

The algorithm is established by introducing a hyperbolic tangent function relation between step size and signal error. The contradiction between the convergence speed and maladjustment error is thus solved.

通过建立步长因子与误差信号的双曲正切函数关系改进LMS算法，解决了固定步长时收敛速度和稳态误差间的矛盾。

This paper also proposes to replace the hard limiter in th decision device of DFE by a soft decision implemented by a hyperbolic tangent function in order to escape from local minima during the initialization of the blind algorithms.

这个文件还提出，以取代硬限制器在次决定装置的环保设计，由一个软决定实施由一个双曲正切函数在为了逃避从局部极小期间初始化盲算法。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。