它可统一处理平稳或非平稳arma信号的最优滤波、平滑和预报问题。
It can handle the optimal filtering, smoothing and prediction problems of stationary or non -stationary ARMA signals in the unified framework.
从三次样条函数入手,提出一种新的适合非平稳数据分析的预测滤波器设计方法。
The paper presents a new method to design a predictive filter which suits to analyze non-stationary data.
针对旋转机械非平稳信号的特点,提出采用谐波小波滤波对现场采集的振动信号进行故障诊断的新方法。
A new method of fault diagnosis of in-situ sampled vibration signals is introduced for the non-stationery signals of rotating machines by using the harmonic wavelet filtering.
介绍了小波变换的基本概念和滤波特性,给出了小波变换作为一种新的分析工具在非平稳信号分析中的应用方法。
The concepts and its filter of wavelet transform are introduced, the application of wavelet as a kind of new analysis tools in unstable signal analysis is presented.
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。
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.
它可统一处理滤波、平滑和预报问题,且可处理非平稳信号和噪声。
It can handle the filtering, smoothing and prediction problems in a unified framework, and can handle nonstationary signals and noises.
针对传统滤波方法处理非平稳信号的不足,提出利用经验模态分解法来处理转子启动信号,通过此方法的自适应滤波特性来提取这类信号中的低频分量。
This paper describes a method to extract the low frequency component from rotor startup signal based on empirical mode decomposition, which overcomes the difficulties of traditional filter methods.
在频偏误差的影响下对消误差为非平稳过程,传统自适应对消滤波器无法收敛 。
The cancellation error is nonstatio nary with the frequency offset error′s influence and the classical adaptive cancellation filter cannot converge to desired weight.
从三次样条函数入手,提出一种新的适合非平稳数据分析的预测滤波器设计方法。
Based on the analysis of the traditional low pass filter, this paper proposed a novel detection filter.
从三次样条函数入手,提出一种新的适合非平稳数据分析的预测滤波器设计方法。
Based on the analysis of the traditional low pass filter, this paper proposed a novel detection filter.
应用推荐