Traditional statistics-based approach utilizes a stationary model, in which anomaly value is calculated according to events frequencies in history.
传统的基于概率统计的方法采用的是静态模型,即根据历史上事件出现的频率来计算新事件的异常值。
This paper derives the mathematical express on of the pressure of vacuum arc subjected to an axial magnetic field under stationary model and the assumption of local thermodynamic equilibrium etc.
本文在稳态模型和局域热力学平衡等假设下,推导了在纵向磁场下真空电弧压力的数学表达式。
The results show the correctness of Gaussian stationary field-Markov field and the validity of spectral model.
模拟结果证实了高斯平稳场-马尔可夫场的正确性和谱模型的有效性。
On the basis of the stationary state mathematical model of a PWM current-source converter, the paper analyzes the coupling of a converter and presents a simple decoupling feedforward control method.
在建立电流源型PWM变流器稳态数学模型的基础上,分析了系统的耦合关系,提出了一种基于小偏量线性化的前馈解耦控制方案。
This paper addresses the dynamic location management in personal communication systems with cellular network architectures based on all-direction mobility model with stationary probability.
阐述了具有蜂窝网络结构的个人通信系统中,基于考虑静止概率全向运动模型的动态位置管理。
The methods for fitting the autoregressive model to the stationary time series are briefly reviewed.
本文首先略述用自回归模式去拟合平稳时间序列的各种方法;
Through ARIMA model and standardization, the non stationary vibration series acquired in the field were transformed to stationary time series normally distributed.
将现场测得的非平稳振动序列通过ARIMA模型和标准化处理,转化成标准正态平稳时间序列。
A model of interaction between the stationary phase and the samples was presented.
给出了样品分子与固定相之间的作用模式。
Considering the underwater work environment, the author analyses the robot movement on the ship hull with wave action, and establishes mechanics model of the robot in stationary and moving state.
针对机器人在水下作业的特点,分析了有波浪作用时机器人在船体表面的运动,建立了机器人在船体表面静止和运动两种状态下的力学模型。
According to the given topology of voltage source converter based HVDC system (VSC-HVDC), three-phases mathematic model in stationary frame is established.
在讨论电压源型高压直流输电(VSC-HVDC)的控制策略中,根据所给出的拓扑结构,建立三相静止系统下的数学模型;
We calculate the degree distributions and stationary average degree distributions of the network model by using the renewal process theory and the continuum theory.
利用更新过程理论对这类网络进行了分析,获得了网络节点瞬态度分布和网络稳态平均度分布的解析表达式。
The optimal control problems for the stationary river wave model are analyzed.
研究平稳静态河道水波模型的最优控制问题。
The statistical model of frequency and intensity of anomalous microtherm events in Nanjing is established by means of the extreme value distribution theory of stationary time series.
本文借助于平稳时间序列的极值分布理论,对南京地区异常低温事件频次和强度建立统计模型。
On the basis of one-dimensional stationary shock theory and perfect "effective gas" model, the effective drag coefficients are determinated experimentally by pressures of relaxation zone.
基于一维静止激波理论和理想“等效气体”模型,实验确定了粒子的有效阻力系数。
Divided period Stationary Autoregressive model for daily flow of Pingshan hydrological station is established in this paper. Daily flow procedure during 5200 years is simulated to test this model.
建立屏山站日流量分期平稳自回归模型,并模拟了序列长度为5200年的日流量过程对该模型进行检验。
However, the GM (1, 1) Model requires high stationary of the original data and concave data lines trend which has big gray plane.
但是,GM(1,1)模型对于原始数列的平稳性要求较高、数列连线趋势只能为内凹型、灰平面较大。
This paper narrates the basic principle of the displacement monitoring by stationary state photogrammetry and its calculating mathematical model.
本文阐述了应用固定状态摄影监测位移的基本原理和计算位移的数学模型。
The radius radio of model is between 0.83, aspect ratio is 6, and the end wall is stationary endwall, rotating endwall and stress free endwall respectively.
半径比为0.83,形状比为6,侧墙为静止侧墙、旋转侧墙及无剪切力侧墙3种边界条件。
Wigner distribution is introduced to analyze non stationary signal, and an application example of validating the simulation model of a proximity fuze is given.
引入瞬时谱估计分析非平稳随机信号,以及应用于某型近炸引信数字仿真模型验证的一个实例。
The imaginary vibration model of transition state is studied chiefly, and points to reactant and product, and illuminates that stationary points locate the right reaction channel.
重点研究了过渡态的虚振动模式,它指向反应物和产物,说明这些驻点均位于正确的反应途径上。
The structure and permanent magnet synchronous motor model is presented, and then the mathematical model and state equation are structured based on the stationary and rotating coordinate system.
介绍了永磁同步电机的结构和模型,并在静止坐标系和旋转坐标系中建立数学模型和状态方程。
Focusing on the parameter identification of a cable-stayed bridge model under stationary stochastic excitation, an improved subspace identification method is presented.
关注的斜拉桥模型平稳随机激励下的参数识别,改进的子空间辨识方法。
The real signals have often non-stationary characteristic, so if we analyse these time series using AR model directly, we cant obtain design result.
由于实际信号常常具有非平稳特征,直接应用AR模型进行时间序列分析,得不到理想的效果。
Aiming at the non-stationary character of signal noise of fiber optic gyro (FOG) in the stabilized platform, the signal model of FOG and some methods of noise reduction are analyzed and discussed.
针对陀螺稳定平台系统中光纤陀螺信号噪声的非平稳性特点,分析并讨论了光纤陀螺输出信号模型及常用陀螺信号滤波方法的优缺点。
The sample with the trend function rejected is a stationary random sequence of a sample. This stationary random sequence is fitted in with the ar (3) model and a statistical test is put to this model.
从样本中剔除趋势后是平稳随机序列的一段样本,对该平稳序列用AR(3)模型进行拟合,并对模型进行统计检验。
The CARMA model generally assumed in self-tuning control frequently leads to the controlled systems lacking robustness to deterministic and non-stationary stochastic disturbances.
本文指出自校正控制中广泛采用的CARMA模型会导致控制系统对确定性扰动和非平稳随机扰动缺乏鲁棒性;
The different approximation is applied to the laser system to calculate the stationary probability distribution of the colored loss noise model of Dye laser.
用不同的近似法计算了单模染料激光色损失模型的光强定态几率分布函数。
As its practice, the stationary point likelihood estimator of the present model is derived.
作为此估计法的实际应用,本文导出了所讨论模型的参数的驻点似然估计。
As its practice, the stationary point likelihood estimator of the present model is derived.
作为此估计法的实际应用,本文导出了所讨论模型的参数的驻点似然估计。
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