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- fouth 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。
- 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。
- 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。
- 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。
- In order not to be late, she cut across the fields. 为了不迟到,她抄近路穿过田野。
- 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。
- Closed Loop Identification Based on Three Order Cumulant 基于三阶累积量的闭环辨识
- A new algorithm based on higher order cumulants is proposed for classification of MPSK signals in multipath channel environments. 针对多径信道中MPSK信号的调制分类问题,提出一种新的基于高阶累量的分类算法。
- According to the fact that higher order cumulate retains phase information, a method of wavelet estimation based on bispectrum of seismic signals is provided in this paper. 根据高阶累积量中保留有信号相位信息的性质,给出了一种基于地震信号双谱的子波估计方法。
- Can you cash this postal order for me now? 你现在能帮我兑现这张邮政汇票吗?
- Give me an order of chicken curry. 给我来一份咖喱鸡。
- As a lightweight his skill is of the highest order. 作为轻量级拳击手,他的技术是第一流的。
- I'd like to place an order for some tea with you. 我想从贵公司订购一些茶叶。
- You must arrange these books in alphabetical order. 你要把这些书按字母顺序排好。
- Please tabulate the numbers in order. 请把那些数字按顺序制成表。
- We need a fouth hand for bridge. 我们需要第四个人才能玩桥牌。
- Everything in the kitchen is in good order. 厨房里的每样东西都井然有序。