SIGN function

In order to let the system run smoothly and let the signals in the system tend to be smooth, the hyperbolic tangent function, instead of sign function, is adopted in design of the robust control terms.

其中，在设计鲁棒控制项时，采用双曲正切函数代替常用的符号函数，使得系统信号趋于光滑，运行更顺利。

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Research and application adaptive genetic algorithm based on sign function

基于符号函数的自适应遗传算法的研究与应用

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The Sign Function and Its Application in Proving Inequalities

符号函数与不等式的证明

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A Fast Algorithm of Computing H_ ∞ Norm of Transfer Function Matrix via Matrix Generalized Sign Function

一种计算传递矩阵H∞范数的快速方法&矩阵广义符号函数法

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In order to reduce computation complexity, sign function was applied to EASI algorithm to form a new algorithm, namely S-EASI.

为了降低算法的计算复杂性，将符号函数引进EASI算法中，产生了新的S-EASI算法。

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X ray examination showed good excretory function of the kidney without hydronephrosis. Study of Absent or Faint Kidney Sign on Bone Scan

X线影像学检查，肾脏显影良好，输尿管通畅。骨显像中肾脏不显影或淡影的研究

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Replacing the sign function with fuzzy control logic, the fuzzy terminal variable structure guidance law is proposed. The stability of fuzzy controller is analyzed and proved by Lyapunov stability theory.

采用模糊控制逻辑取代符号切换函数，提出了模糊Terminal滑模变结构导引律，利用Lyapunov稳定性理论对模糊Terminal滑模变结构控制器的稳定性进行了分析与证明。

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Conclusion Abnormal Q-T interval maybe one early sign of poor cognitive function status.

结论心电图QT间期异常可能是认知功能下降的早期指标之一。

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Presents a kind of sliding mode controller, to eliminate chattering, use the hyperbolic tangent function instead of sign function.

提出一种滑模控制策略，采用双曲正切函数代替符号函数，消除了抖振。

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The paper describes in detail how to design and carry out a third-party PAM authentication module to replace original module and thus Linux single sign-on function is implemented.

本文详细描述了如何基于PAM机制设计实现第三方PAM认证模块以实现Linux单点登录功能。

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Solving Dual Riccati Equations by Matrix Sign Function Iteration

求解对偶Riccati方程的矩阵符号函数法

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Completed the staff online sign function.

完成了职工在线签到功能。

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Solving Riccati's Algebraic Equation by Matrix Sign Function Method

一种求解Riccati代数方程的新方法&矩阵符号函数法

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A Sign Function Method for Discrete Time Algebraic Riccati Equation

解离散时间代数Riccati方程的符号函数法

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The ANN Method for Solving Algebraic Riccati Equations Based on the Matrix Sign Function

基于矩阵符号函数求解代数Riccati方程的ANN方法

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The paper studies the property of sign function and its application to mathematical analysis.

研究了符号函数的性质及其在数学分析中的一些应用.

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