平稳

According to the characteristic of statistics, time series is divided into two classes.

时间序列分析按时间序列的统计特性可以分为平稳时间序列和非平稳时间序列两类。

Its mean function, variance function and correlation coefficient function can be gained by the method in time domain.

该方法首先在时域进行全程分析，得到相关系数平稳过程的均值函数、方差函数和相关系数函数，然后可以对其进行傅里叶变换、短时傅里叶变换或小波变换，给出相关系数平稳过程的谱密度，同时提出了随机项谱密度和趋势项谱密度的概念。

A binary composite hypothesis test model with unknown and stochastic parameters was constructed.The sequential probability ratio test with the uniformly most powerful effect was provided for white Gaussian process.This novel method was used to detect the distant series of pipe mass flow difference of leakages produced in stationary and non-stationary operation situations, respectively.

建立了以泄漏信号的幅值为随机参量的二元复合假设检验模型，提出了具有一致最大功效的序列似然比检验方法，并进行了平稳观测序列强泄漏信号和非平稳观测序列弱泄漏信号的检测。

Run smooth, safe and reliable: the motor shaft and pump shaft for coaxial Direct, high concentricity, run smooth, safe and reliable.

运行平稳，安全可靠：电机轴和水泵轴为同轴直联、同心度高，运行平稳，安全可靠。

Oil some orders are to pay attention to driving the behavior to dawdle that the result of study reveals the limousine driver: Open the car light, driving a vehicle steadily of more than 100 kilometres per hour, driving a vehicle steadily of 50 to 70 kilometers of speeds per hour, it make air conditioning, engine last number of times, take number of people, speeds idle, wet, cloudy day, 70 to 90 kilometer is the urgent to drive a vehicle, pass through go up a slope by highway section,etc.

研究结果显示小客车驾驶者注意驾驶行为耗油部份顺序为：开车灯、时速一百公里以上的平稳行车、时速五十到七十公里的平稳行车、开冷气、引擎启动次数、乘载人数、怠速、行经地面潮湿路段、阴天、时速七十到九十公里的急加速行车、行经上坡路段等。

Stationary process: spectral decomposition of covariance function, spectral decomposition of stationary process, linear time invariant system, ergodic theorem, sampling theorem.

平稳过程：协方差函数的谱分解，平稳过程的谱分解，线性时不变系统，遍历定理，采样定理。

It's proved that the long duration response is stable under stationary random excitation, when the mean equation of the temperature in all parts of heat conductor shows no difference with the heat conduction differential equation under classical stationary heat conduction condition.

研究表明，在平稳随机激励下，导热系统的长时间响应也是平稳的。

The methods of digital speech signal short-time processing with FPGA are presented in this paper.

0引言语音信号是非平稳过程，是时变的，但语音信号的特性随时间变换是缓慢的，在短时间内可以认为是局部平稳的。

The earthquake ground motion model is simulated as nonstationary stochastic process model that is used as equivalent stationary stochastic process.

将地震地面运动模型模拟为非平稳随机过程模型，对其进行等效平稳化。

An approximation method of queueing networks in series with exponential servers with buffers, Poisson arrivals and block ing is presented.

本文讨论产品以Poisson过程到达，有K道加工工序，每加工点是有限容量且服务服从指数分布带受阻的排队网络，并给出了平稳条件和在平稳条件下以三节点组合逼近方法得到平均队长。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。