Single-trial extraction of event-related potentials based on discrete stationary wavelet and independent component analysis 基于离散平稳小波和独立分量分析的事件相关电位单次提取方法
The numerical results demonstrate that the larger the zone of timing jitter and the higher the frequency, the less proportion the discrete PSD component is in the total PSD. 数值计算结果表明,随时间抖动范围增大和频率提高,离散功率谱分量所占比例下降。
In many cases, only a complicated discrete component schematic is provided by the manufacturer. 在许多情况下,厂家提供的只是复杂的分立元件原理图。
A project's objectives are usually very clear cut and often divisible into discrete component parts. 项目的目标通常十分明确,并且可以分解成若干个子项目。
Transformed Discrete Component Circuits of Automatic Voltage Regulator of synchronous Generator 同步发电机励磁调节器分立元件电路的改造
Methods The methods of analysis were used by expert consulting graded approach, discrete tendency, principal component analysis and cluster analysis. 方法采用专家咨询打分法、离散趋势法、主成分分析法和聚类分析法进行分析。
Then the principle of the PWM-PFM control circuit being made of the discrete component is analysed in the thesis. There arc less components in this control circuit, and Switching Power Supply with it can endure wide input voltage. 然后对一种采用分立元件实现的PWM-PFM控制电路进行了详细的分析,该控制电路元件数量少、实现简便,能实现开关电源的宽电压输入范围。
The application resolves the problem of the traditional circuit composed of discrete component by the advantage of FPGA, speeds up the top level design of control algorithm, and improves the feasibility of applying the various new PID algorithm extensively to actual industrial control system. 这种应用以FPGA硬件本身的优点解决了传统分立元件电路缺点,同时加速了控制算法设计的顶层实现,从而大大提高将各种新型PID算法广泛应用于实际工业控制系统的可行性。
Because of more trouble in discrete component circuits of auto-matic voltage regulator, integrated component circuits which substituted for shift trigger 、 puls amplifier and voltage stabilized power supplies of the JKLZ& 1 type excitation device were presented. 针对自动励磁调节器中分立元件电路存在故障率高的问题,本文就JKLZ&1型装置中的移相触发、脉冲放大电路及稳压电源提出了集成化电路。
The input-output relationship of any linear time-invariant discrete system can be described by a difference equation The complete solution of a linear difference equation consists of two parts: the free component and the forced component. 任何一个线性时不变离散系统的输入输出关系都可用线性差分方程式来描写。差分方程式的解答包括两部分:即自由分量和强制分量。
Two schemes, using MMIC and using discrete component ( PHEMT), are adopted in designing pre-amplifier respectively. 前置放大器采用了MMIC和分立元件(pHEMT)两种方案。
Treating of Overlapping UV Spectrum by Discrete Transform Principal Component Regression 用离散变换主组分回归法处理重叠紫外吸收光谱
The discrete theory of the coupling 3-D component system is completed and the software, which is used to calculate the transient and non-steady heat transfer process in the component system, is developed. 建立了零件系统三维耦合过渡工况和循环瞬态传热的有限元离散理论,并开发了计算零件系统过渡工况不稳定传热和循环瞬态传热的有限元分析软件。
Discrete sliding mode controller designed in discrete domain consists of integral linear control component which is designed by pole placement method, discontinuous control component and disturbance control component with boundary layer. 在离散域设计积分型离散滑模控制器,首先采用极点配置法设计带有积分项的线性控制项,然后设计不连续控制项和带有边界层的扰动控制项。
There is no discrete component on the optical path. 系统的光路完全由光纤构成,没有插入分立器件。
Application of Three-dimensional Discrete Component Method in the Process of Rock Blasting 三维离散元法在岩体爆破过程研究中的应用
Basing on characteristics of distributed discrete event simulation, this paper introduces the idea of component-based software design, puts forward its simulation component model standards and distributed simulation method, and develops the corresponding simulation environment. 本文从分布离散事件仿真的特点出发,结合基于组件的软件设计思想,建立了仿真组件模型规范,提出了一种分布仿真算法,并开发了相应的仿真环境。
The motion controller went through discrete electric component, integrate circuit and software control development processes. 运动控制器历经了分立电子元件、集成电路到软件控制发展阶段。
To reduce computational complexity of the conventional full-wave Fourier algorithm, the recursive discrete Fourier algorithm is deduced, but it cannot completely filter decaying direct current component. 为了减少传统全波傅里叶算法的计算量,人们总结出了递推离散傅里叶算法,但它对衰减直流分量的滤除不明显。
Generic Model of Discrete Event Dynamic System Based on Component Object Model 基于模型组件技术的通用离散事件动态系统仿真模型
Design and Implement Method of Discrete Mathematics CAI Teaching Component 离散数学CAI课件的设计和实现方法
The three-dimensional discrete component process is applied to study the propagation course of explosive wave in rock. 采用三维离散元程序研究了岩体中爆炸波的传播过程。
Four kinds of discrete transform principal component regression methods were established by combining wavelet packet transform, wavelet transform, Fourier transform and discrete cosine transform with principal component regression. Calculating programs were designed to perform the calculation by discrete transform principal component regression methods. 将离散小波变换、小波包变换、傅里叶变换和离散余弦变换与主组分回归方法结合构成4种离散变换主组分回归方法,编制了离散变换主组分回归方法的计算程序。
The simulation of enterprise business process model based on extend event-driven process chain is studied taking advantage of mechanism of discrete event timing advance. The simulation of enterprise model based on model component is also discussed. 首先应用离散事件时间推进机制研究了基于扩展事件驱动过程链的企业业务过程模型的仿真,然后研究了基于模型构件的企业模型的仿真,从而更好地支持企业模型的性能评价与模型重用。
Therefor a de noising method based on discrete wavelet transform ( DWT) was developed for one channel TEB signals and independent component analysis ( ICA) was developed for multi channel TEB signals. 对于多通道系统,使用了独立分量分析的方法,分析的结果显示,对于单通道系统,基于离散小波变换的方法是一种快速的、有效的、容易实现的方法。
Petri nets can clearly, visually and precisely depict and research the discrete dynamic event in fault state of each component. It has shown good fault tolerance capability. Petri网方法可以清晰、直观、准确地描述和研究电网中各个元件在故障状态下的离散动态行为,具有良好的容错性。
Now, in the industry the motor controllers of Electromagnetic Speed Regulation are made of discrete component mostly. The circuit stability of the device is affected by the parameter and function of the components. 工业生产中使用的电磁调速电动机调速控制器以分立元件构成的占多数,这种装置由于其器件本身的参数、性能会影响电路的稳定性,而且元件较多、线路复杂、维修困难,所以急需改进。
The algorithm makes full use of discrete stationary wavelet and wave atoms to represent the structural component and texture component sparsely. Then it solves the corresponding sparse optimization problem to realize the inpainting. 该算法选取离散平稳小波和波原子分别稀疏表示图像的几何部分和纹理部分,并通过求解对应的稀疏优化问题实现图像修复。
We use the correlation analysis, discrete analysis and principal component analysis, and 12 indicators are selected to establish the evaluation index system. 评价指标体系分别采用了相关性分析、离散程度分析和主成分分析三种分析方法,从海选指标中挑选出来12个信用指标构成农户小额贷款信用风险评价的指标体系。
Hologram watermarking method based on discrete wavelet transform ( DWT) is proposed, the watermark is embedded in the vertical component of secondary wavelet coefficients of red component. 通过分析颜色空间,提出了在红色分量中嵌入水印的方法。嵌入算法是将在载体的二级小波变换(DWT)的垂直分量上嵌入有水印信息的全息图,恢复水印信息无需载体。