ID |
原文 |
译文 |
20675 |
最后按区域增长方式进行区域置换与合并,最终得到正确的分离信号。 |
Finally. regional replacement and merging isperformed according to the regional growth method, and the correct separation signal is finally obtained. |
20676 |
区域增长校正可最大限度地减少频点排序错误扩散现象,从而改善分离效果。 |
Regional growth correction minimizes the mis-proliferation of frequency sorting and improves separation results. |
20677 |
在模拟和真实环境中分别进行语音盲源分离实验,结果表明所提算法的有效性。 |
The speech blind source separation experiments are performed in the simulated and real environments respectively. The results show the effectiveness of the proposed algorithm. |
20678 |
该文提出一种基于四阶累积量张量联合对角化的联合盲源分离(J-BSS)算法。 |
A new Joint Blind Source Separation (J-BSS) algorithm is proposed based on joint diagonalization of fourth-order cumulant tensors. |
20679 |
首先通过计算4阶互累积量将多数据集信号的J-BSS问题转化为4阶张量联合对角化问题。 |
This algorithm constructs first a set of fourth-order tensors by computing thefourth-order cross cumulant of the multiset signals. |
20680 |
接下来,基于雅可比连续旋转将张量联合对角化这类非线性优化问题,转化为一系列可获取闭式解的简单子优化问题,并通过交替迭代对多数据集混合矩阵进行更新,进而实现J-BSS。 |
Then, based on the Jacobian successive rotation strategy, the highly nonlinear optimization problem of joint tensor diagonalization is transformed into a series of simple sub-optimization problems, each admitting a closed form solution. The multiset mixing matrices are hence updated via alternating iterations, which diagonalize jointly the data tensors. |
20681 |
实验结果表明,所提算法具有良好的收敛性能,较之现有的同类型BSS及J-BSS算法具有更高的精度。 |
Simulation results show that theproposed algorithm has nice convergence pattern and higher accuracy than existing BSS and J-BSS algorithmsof a similar type. |
20682 |
此外,该算法在分离实际胎儿心电信号方面也表现出良好的性能。 |
In addition, the algorithm works well in a real-world application to fetal ECG separation. |
20683 |
在无线传感器网络(WSN)节点的无线电关闭期间,用以维护系统时钟的硬件定时器中断请求(IRQ)是微控制单元(MCU)能耗的重要来源,此时中断频率对WSN节点总能耗影响较大。 |
During the radio-off periods of Wireless Sensor Network (WSN) node, the timer Interrupt ReQuest(IRQ) which used to maintain the system clock become an important energy consumption source of MicroController Unit (MCU), thus the IRQ frequency has a great influence on WSN node total energy consumption. |
20684 |
该文提出一种基于无迹卡尔曼滤波(UKF)估计的时钟分辨率优化方法,根据协议的时间特性来切换中断高低频率。 |
A timer resolution adjustment method based on Unscented Kalman Filter (UKF) approach is proposed, which switches high and low IRQ frequencies according to the characteristics of the protocol. |