2) Non-stationary nonlinear signal analysis
非平稳非线性信号分析
3) non-stationary signal analyzer
非平稳信号分析仪
1.
Research on non-stationary signal analyzer based on HHT;
基于HHT的非平稳信号分析仪的研究
2.
Combined with comparatively perfect non-stationary signal analysis methods such as wavelet transform (WT) and Hilbert Huang transform (HHT), the blueprint of designing component-based non-stationary signal analyzer was put forward.
介绍了基于消息总线的构件化虚拟仪器软件体系结构,结合小波变换和希尔伯特-黄变换等目前比较理想的非平稳信号分析方法,研究了构件化非平稳信号分析仪的总体设计框架。
4) non-stationary signal analysis system
非平稳信号分析系统
1.
R&D on non-stationary signal analysis system based on parameter-sharing models
基于共享参数模型的非平稳信号分析系统研制
5) non-stationary signal
非平稳信号
1.
Blind separation of non-stationary signal based on non-orthogonal diagonalization algorithm;
基于非正交对角化算法的非平稳信号盲分离
2.
On-line blind source separation of non-stationary signals by multiple time-delayed decorrelation rule;
多时延解相关准则下的非平稳信号在线盲分离
3.
To solve the difficulty of time-delay estimation for non-stationary signal,an improved estimation method based on short-time Fourier transform(STFT) spectrogram correlated with frequency domain is presented.
目前的时延估计算法多数只能应用于平稳信号,针对非平稳信号时延估计,提出了一种基于短时傅立叶变换(STFT)谱图的瞬时频域相关法。
6) non-stationary signals
非平稳信号
1.
To analyze and deal with non-stationary signals, pe.
为了分析和处理非平稳信号，人们发展了信号分析理论，提出了许多时频描述方法。
2.
And this paper introduced the advantages of those methods in analyzing non-stationary signals and explains the merits and defects of those methods by analyzing the simulation signals.
介绍了短时傅立叶变换和小波变换两种时频分析方法,通过对仿真信号的分析,阐述了两种方法在分析非平稳信号时的优势和优缺点。
补充资料：平稳随机过程的谱分析
平稳随机过程的谱分析
spectral analysis of a stationary stochastic process
平稳随机过程的谱分析〔spectraia旧卜515 of a sta6..ryst以如昭次P似ess;ene灯p叼‘Ru动an叭H3 eTa双皿oH即-“以c刃叹‘H袱npo”ecc0B]，时I’ed序列的谱分析(speetr越analysis of a tjme series) l)与平稳随机过程(stationary stochastic pro-cess)的谱分解相同(见随机函数的谱分解(spectraldecomPosition ofa介Lndom仙Iction)). 2)从一平稳随机过程的一个(或多个)实现的观测数据估计该过程的谱密度值的统计方法(见汇lj一【5 D.亦见随机过程论中的统计问题(statistical pro-blems in the theory of stochastic proeesses):周期图(perlodog旧In);谱密度估计盘(spectral density，esti-Inator ofthe);极大墒谱估计量(宜坦戈山山刀n记ntroPyspectral estunator);参数谱估计量(sPeetral est运u-tor，Paran祖tric).
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条