sign function
英 [saɪn ˈfʌŋkʃn]
美 [saɪn ˈfʌŋkʃn]
网络 符号函数; 符号功能
双语例句
- 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 - The sign function of the switching surface function is replaced by a suitable saturated function to reduce the system chattering.
同时用一个合适的饱和函数替代切换函数中的符号函数，有效地减弱了系统颤振。 - Using multi-layer perceptions network of sign function, a helicopter inverse dynamic model based on neural network, taking SH-2G as an example, is established.
以SH-2G直升机辨识模型为对象，采用开关作用函数的多层感知器网络，建立了直升机的动态逆神经网络模型。 - Sign function is introduced which cut off the course of error transfer and insure the computing precision.
符号函数的引入，有效地控制了误差传递，确保了计算精度。 - Speech separation algorithms using sign function deduced by Laplace distribution function as the activation function is used universal.
由拉普拉斯分布概率密度函数推导得出的符号函数作为语音信号分离算法中的激活函数，目前广泛应用在基于独立分量分析的语音分离算法之中。 - The Sign Function and Its Application in Proving Inequalities
符号函数与不等式的证明 - The recursive algorithms for computing the principal square root of a matrix and the matrix sign function
计算矩阵主平方根和符号函数的递推算法及其稳定性 - 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 - 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 - In this paper, a discussion is devoted to an algorithm for solving the Riccati and Lyapunov matrix algebraic equations via matrix sign function, and a Proof is given to the Convergence of Newton iteration and accelerated Newton iteration to matrix sign function.
本文讨论了Riccati和Lyapunov矩阵代数方程解的矩阵符号函数算法，证明了牛顿迭代公式对矩阵符号函数的收敛性。 - In order to eliminate the chattering phenomenon in sliding-mode control, the saturation function is adopted to replace the sign function.
为了削弱变结构控制中的抖振现象，采用饱和函数来代替符号函数。 - On the basis of analyzing the control step for ice conversing to hydrate and introducing the sign function, the unreacted core shrinking model for hydrate formation was proposed.
在对冰转化为水合物控制步骤分析的基础上，引入符号函数并提出一个改进的未反应核收缩模型来描述冰转化为水合物的动力学。 - In order to reduce the chatting in sliding model control, sign function is replaced by saturation function in control law.
为了有效抑制滑模控制的chattering，将控制律中的符号函数改为饱和函数。 - 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 - This paper puts forward a sign function method to solve the Riccati equations of active magnetic bearings control system with high-order ( 16 orders). It also analyzes the factors of affecting accuracy of solution and gives the results of simulation at last.
本文给出用符号函数法求解高阶径向磁力轴承控制系统（16阶）的RICCATI代数矩阵方程的方法，分析影响解精度的因素，最后给出仿真结果。 - The dynamic model of the active magnetic bearings was built firstly, and then a saturation function to substitute for the sign function in the controller was used based on Lyapunov theory to approximately realize infinite gain with finite gain.
通过建立电磁轴承动力学模型，基于李亚普诺夫稳定性理论，用饱和函数取代常规变结构控制的符号函数，以有限大的增益近似实现无穷大的增益； - Considering the missile's actuator position saturation and velocity saturation, the sign function of the slide mode was improved and fuzzy logic was introduced to adjust the slopes of the sliding mode surfaces.
其中，为克服导弹作动器的位置饱和、速率饱和问题，改进了滑动面的符号函数，并采用模糊逻辑对滑动面的斜率进行实时调整。 - For variable structure control chattering problem, the design of the hyperbolic sine function instead of sign function of the gesture tracking devices.
针对变结构控制中的抖振问题，设计了采用双曲正弦函数代替符号函数的姿态跟踪器。 - 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。 - 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。 - Compared with LBP, CBP, which considers the center pixel, reduces the feature dimensions and changes the sign function.
该方法与LBP相比，不但降低了特征向量的维数，而且将中心像素点的作用考虑在内，同时改写了符号函数提高了抗噪性。 - National costume is a national one particular cultural symbol, it has the obvious sign function, is a nationality distinguishes between another one of the important signs of a nation.
民族服饰是一个民族特定的文化符号之一，它具有明显的标志功能，是一个民族区别于另一个民族的重要标志之一。 - Improve the sign function in LBP algorithm, and propose a method that disposes the image from coarse to fine, and combines with the local and overall histogram.
改进了LBP算法中的符号函数，提出了一种将图像由粗略到精细，局部结合整体的直方图提取方法，能有效包含表情的纹理信息。 - 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。 - Based on variable universe theory, a variable universe adaptive fuzzy control is designed to replace the discontinuous sign function of the reaching law in traditional sliding mode control.
基于变论域的思想，设计了一个新颖的变论域模糊控制器，来代替传统滑模控制中的非连续符号函数。 - Moreover, an adaptive non-singular terminal sliding mode control scheme is proposed to solve the singular problem of terminal sliding mode control, in which the saturation function replaces the sign function to weaken the chattering phenomenon of sliding mode control.
为了克服终端滑模控制方法中存在的奇异性及抖振问题，设计非奇异终端滑模面，提出了一种自适应非奇异终端滑模控制方法，并采用饱和函数替代符号函数来削弱抖振。 - Both of the control schemes apply iterative learning mechanism to update the time-varying parameters of fuzzy systems, and also resort sign function, saturation function and boundary estimate to eliminate the impact of fuzzy approximation errors.
控制器设计时，模糊系统中的时变参数更新均以迭代学习方式进行，同时采用符号函数、饱和函数和界估计法消除模糊逼近误差的影响。 - 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。 - Completed the staff online sign function.
完成了职工在线签到功能。 - The sign function is replaced by a saturation function, a valid boundary can solve the chattering problem, and then using the estimated speed which is got by the observer as the closed loop speed feedback., the real speed response is good.
切换函数采用饱和函数替代开关函数，通过选择合适的边界层厚度，有效的削弱了抖振；并以滑模观测器得到的转速作为反馈进行闭环控制，使实际转速响应得到良好的效果。