1.
Synthetic waveforms of the acoustic field in cased boreholesand their time-frequency distribution
套管井声场合成波形及其时频特征分析
2.
Detection and Characteristic Parameters Estimation of Frequency-Hopping Signal Using Time-Frequency Analysis;
基于时频分析的跳频信号检测与特征提取
3.
Radar Emitter Signal Feature Analysis Based on Time-Frequency Atom
基于时频原子的雷达辐射源信号特征分析
4.
Variation Characteristics and Time-frequency Analysisof NO_2 in Zhanjiang
湛江市空气NO_2浓度变化特征及时频分析
5.
Finger movement related magnetoencephalography signal processing based on time frequency representation of power
手指活动相关脑磁图的时-频域特征分析
6.
Characteristic Extracted Method for Rolling Mill's Transient Torsional Vibration Signal Based on EMD
基于EMD时频分析的轧机扭振瞬态冲击特征提取
7.
Individual identification of FSK signals based on fine feature analysis of instantaneous frequency
基于瞬时频率细微特征分析的FSK信号个体识别
8.
A Method for Time-frequency Comprehensive Analysis of Rolling Element Bearing Faults
一种滚动轴承故障特征的时频综合分析法
9.
Concentration Variation Characteristics and Time-frequency Analysis of PM10 in Zhanjiang
湛江市PM10质量浓度变化特征及时频分析
10.
The time domain methods are very intuitionistic, and in frequency domain the rhythm and spectra characteristics are considered.
时域分析方法以其直观性所称道,而频域分析方法主要考察此段脑电信号节律特征及频谱特征。
11.
Research on Virtual Characteristics Analyzer System of Rotating Machinery Based on Time-Frequency Analysis;
基于时—频分析的虚拟式旋转机械特征分析仪系统的研究
12.
The frequency band energy method based on the wavelet analysis is used for getting the characteristics of the running noise.
同时,运用基于小波分析的频带能量法提取运行噪声的特征。
13.
Hybrid Time-Frequency Analysis Methods for Mechanical Fault Feature Extraction;
面向机械故障特征提取的混合时频分析方法研究
14.
Study of Time and Frequency Analysis of Blasting Vibration Signal and the Prediction of Blasting Vibration Characteristic Parameters and Damage;
爆破振动信号时频分析与爆破振动特征参量和危害预测研究
15.
Time-Frequency Methods for the Extraction of Feature Information in EEG Signal and Development of Virtual EEG Analyzer;
脑电信号特征信息提取的时频分析方法及虚拟式脑电图仪的研制
16.
Research of Methods on Extracting Characteristic Signals of Acoustic Emission Based on Time-Frequency Energy Analysis;
基于时频能量分析的声发射特征信号的提取方法研究
17.
The Research and Applicaton of Time-Frequency Analysis Method in Fault Feature Extraction of Gearbox;
时频分析方法在齿轮箱故障特征提取中的研究应用
18.
Early Detection of Breast Cancer Based on the SEM and Time-Frequency Analysis Technique;
基于奇点特征提取和时频分析的早期乳腺癌检测技术