噪声载荷是一种高频、宽带随机载荷,在低循环疲劳寿命预测中被广泛采用的时域计数法很难直接利用。
Sonic loading is a high frequency, broadband random process. Basic cycle counting methods, which are prevalently used in time domain, are difficult to be applied.
模型预测控制(MPC),也称为滚动时域控制(RHC),是一种基于模型的控制理论,采用线性或非线性模型预测系统的活动。
Model predictive control (MPC), also known as receding horizon control (RHC), is a class of model-based control theories that use linear or nonlinear process models to forecast system behavior.
时域分析表明,设计的预测控制器对外部正弦干扰有较强的鲁棒性,得到的结果关于二次型平均性能指标是次优的。
Time domain analysis shows that this predictive controller is of stronger robustness to external sinusoidal disturbances, and is suboptimal with respect to quadratic performance indexes.
目的:评价信号平均心电图(SA-ECG)时域分析和频谱时间标测在预测冠心病心律失常事件(AE)方面的差异。
Objective:The purpose of this study was to compare time domain analysis (TDA) of signal-averaged electrocardiogram (SA-ECG) with spectrotemporal mapping (STM) in predicting arrhythmic events (AE).
在导波传播理论和频散波形预测理论的基础上,研究了超声导波在检测管道时,如何利用时域波形重构缺陷图像的问题。
Based on the ultrasonic guided wave technique and the dispersive waveform prediction method, a method about how to image defects in pipes is presented.
本文首先对心理声学模型、滤波器组、量化和比特分配、预测编码、时域噪声成型等技术进行研究。
In this dissertation, psychoacoustic models filter Banks quantization and bit allocation predicate coding and temporary noise shaping is analyzed.
通过选取具有储备池机制的回声状态网络ESN作为网络预测模型,建立一种直接预测方法,直接构建预测原点和预测时域之间的定量关系。
It selects ESN with the mechanism of the "reservoir" as predict model to set up a direct predict method which directly relates the prediction origin and prediction horizon.
采用基于时域特征扩展和基于正交分解特征扩展两种方式建立过程神经元网络模型,利用电力负荷数据进行网络训练和负荷预测。
The two different ways based on the time-domain feature expansion and the orthogonal decomposition feature expansion are used to establish process neural networks model.
通过对并联有源电力滤波器的时域分析,得到了电流预测控制的内部模型结构,并根据预测控制理论对并联有源电力滤波器的电流控制环进行了研究和实现。
Through the analysis of SAPF in time domain, the internal model of current predictive control is obtained and the current loop of SAPF is studied and realized.
然后建立时域上关于搜索块与参考块之间运动矢量夹角的概率模型,对于帧间预测宏块通过聂曼一皮尔迅准则进行运动判决。
For Inter-MB, a temporally statistical modal with regard to vector angle was established and the moving object was detected by using the neyman-pearson criteria.
针对一般形式的非线性系统,研究了有终端约束的稳定预测控制策略-有限时域滚动控制相对传统最优控制的次优性问题。
In this paper, considering nonlinear systems, the suboptimality of receding horizon control with Terminal Constraints is presented and compared with traditional optimal control.
该算法中P帧之间的参考预测关系构成多条链状结构,使视频具有时域可扩展性。
Temporal scalability is obtained with prediction chains constructed to give prediction dependency between P-frames.
从背景出发,充分利用在图像序列中占绝大部分的背景像素来构造弱小目标的检测,并提出在时域上利用背景预测技术实现检测。
And the technique of small target detection is put forward based on temporal predictions of the background in infrared image sequences.
具有便捷的趋势预测分析,历史数据、故障数据查询功能,和完善的故障诊断方法,能够在时域、频域、幅值域对设备进行故障诊断。
This system has trend forecasting, history data querying, and fault diagnosis ways in the time-domain, frequency-domain and amplitude-domain.
在二维情形中,基于结合射线跟踪法和时域有限差分法(FDTD)的室内无线传播混合建模方法对于室内无线传播的预测结果与测量结果吻合较好。
In a 2-d structure, the calculation results of a hybrid method, which is based on combing ray tracing and finite-difference time-domain (FDTD) method, agree well with the measurement.
在二维情形中,基于结合射线跟踪法和时域有限差分法(FDTD)的室内无线传播混合建模方法对于室内无线传播的预测结果与测量结果吻合较好。
In a 2-d structure, the calculation results of a hybrid method, which is based on combing ray tracing and finite-difference time-domain (FDTD) method, agree well with the measurement.
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