spectrum

In view of these characters, I have combined wavelet packet with 1(1/2) dimension spectrum to extract fault feature.

鉴于这些特点,本文将1(1/2)维谱与小波分析相结合进行故障特征提取。

Research on Engine State Recognition Based on 1(1/2) Dimensional Spectrum Entropy

基于1(1/2)维谱熵的发动机状态识别研究

Roller Bearings Fault Diagnosis Based on 1(1/2) Dimension Spectrum Analysis and Wavelet Packets Analysis

基于1（1/2）维谱与小波包相结合的滚动轴承的故障诊断

double rigging luff

2-1与2-1复绞辘

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T_(1(1/2)) and T_(2(1/2)) -FORM Fre chet(V) SPACE;

T_(1(1/2))—型和T_(2(1/2))—型邻域空间

The inverse of 2 is 1/2.

2的倒数是1/2.

Cannot resolve dimension '%1' and level or measure '%2'.

无法解析维度“%1”和级别或度量值“%2”。

Extension for cube file, '%1', is not valid; expected '%2'.

多维数据集文件的扩展“%1”无效；应为“%2”。

Study on Fabrication Method of (2+1)-dimensional Photonic Lattice;

（2+1）维光子晶格构造方法的研究

(1+2)-dimensional Perturbated Solutions of the Nonlocal Spatial Optical Solitons;

（1+2）维非局域空间光孤子的微扰解

The Exact Solutions of (2+1)-Dimension Boussinesq-Burgers Equation;

（2+1）-维Boussinesq-Burgers方程的精确解

New exact solutions of the (2+1)-dimensional KdV equation with variable coefficients;

(2+1)维变系数KdV方程的新精确解

A(2+1)-dimensional Levi Hierarchy and Its Expanding Integrable Model;

(2+1)维Levi族及其扩展可积模型

The BT and Exact Solutions for (2+1)-dimensional Burgers Equation;

(2+1)维Burgers方程的Bcklund变换和精确解

New Exact Solutions of(2+1)-Dimensional Kadomtsev-Petviashvili Equation Via a Mapping Approach;

用映射法求(2+1)维Kadomtsev-Petviashvili方程的精确解

On Soliton Structure in (2+1)- dimensional Dispersive Long Wave Equation;

(2+1)维色散长波方程新孤子结构探索

The New Solitary Solutions of (2+1)-dimensional KdV Equation;

(2+1)维KdV型方程的新孤波解

A New Mapping Approach on (2+1)-Dimensional Long Wave-Short Wave Interaction System;

(2+1)维长短波相互作用方程的新探索