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- forth order cumulant 四阶累积量
- The experiment results showed that the 4th order cumulant could reflect the EEG pattern changes of different motor imageries. 在此基础上;进行了基于脑电四阶累积量的左右手运动意识识别和分类研究;实验结果表明;正确识别率能达到87.;5%25。
- The method uses the finite element time-domainexplicit difference schemes with forth order derivative. 方法中采用了一种考虑四阶导数影响的有限元时域显示差分格式。
- With flexible definition of fourth order cumulant of the array output signal, the spectral peak searching is not necessary for the new separable approach. 通过巧妙定义阵列输出四阶累积量矩阵,该方法不需要谱峰搜索就可以估计信号二维到达方向。
- The defect has been overcome in this paper,which channel equalization can be not directly applied because the third order cumulant of symmetrically distributed signal is zero. 计算机仿真表明,该算法实现简单,收敛效果好,稳态剩余误差小,其性能优于已有的一些同类算法。
- The forth order Runge-Kutta method, an explicit method, is chosen as the integration technique of computer simulation and the time history of the hybrid-d... 用四阶龙格一库塔方法对混合驱动压力机机电系统进行了求解和动力学仿真,并对仿真结果进行了分析。
- This paper introduces the higher order cumulant(HOC) and analyzes the theoretical basis on which the cumulant extracts the features of complex coupling signals and non-linearity. 介绍了高阶累积量理论,分析了它提取复杂耦合信号和非线性特性的理论基础。
- In this paper we consider the initial-periodic-boundary problem of the following forth order parabolic Cahn-hilliard equation with constant rate of transitio. 本文用谱方法讨论如下形式的具常迁移率的四阶抛物型Cahn-hilliard方程的初边值问题。
- It will approach to Gaussian distribution after accumulating sea clutter along with one dimensional range images, which can achieve signal detection in advantage of higher order cumulant and spectra. 经过非相参积累的海杂波沿距离像的分布接近高斯分布,沿距离像计算回波信号的高阶累积量、高阶谱,可以实现目标的检测。
- Using 4th order cumulant, the author constructed a spatial signature matrix , and then proved that multi-user’s spatial signature can be obtained through eigen decomposition of the matrix. 作者利用四阶累积量构造了一个空间特征估计矩阵,并证明了对该矩阵作特征分解可以得到各用户的空间特征。
- Obama has set forth orders on what is to be done if extreme health emergencies emerge, such as orders on how to expand overrun hospitals. 奥巴马提出对什么是工作要做,如果出现极端突发公共卫生事件,例如如何扩大溢出医院的订单,订单。
- The flowers send forth fragrance. 这些花散发出香味。
- singular forth order boundary value problem 奇异边值问题
- That volcano cast forth lots of lava and ashes. 那火山喷了出大量熔岩和灰烬。
- In order not to be late, she cut across the fields. 为了不迟到,她抄近路穿过田野。
- I must sally forth into town and buy my week's food. 我得赶快去城里采购一星期吃的食物。
- We started early in order to arrive before dark. 为了在天黑前到达,我们很早就动身了。
- He rocked back and forth in his rocking chair. 他坐在摇椅里前后摇晃着。
- Closed Loop Identification Based on Three Order Cumulant 基于三阶累积量的闭环辨识
- He fluttered back and forth in the corridor. 他在走廊上烦躁不安地走来走去。