| 1. | Waveshape character and pile defect for model pile tests
桩身缺陷模型桩模拟试验与动测波形特征 |
| 2. | Fractal theory based characteristic identification of high frequency transient waveforms of power systems
基于分形理论的电力系统高频暂态波形特征识别 |
| 3. | Abstract : in this paper the characteristics of reflection waveform of embedded rock piles are studied from the point of theory and practice
文摘:从理论与实践上对大直径嵌岩桩的反射波形特征进行分析研究。 |
| 4. | Diagrams of velocity vectors and streamlines display waveform and amplitude properties , showing the effect of fibres on enhancing the flow stability . the computational results are tested
Piv测量得到流场速度矢量图及流线图，扰动波幅与波形特征说明， re数一定时流动稳定性随h值增大而提高。 |
| 5. | Using an olympic project as the paper analyzes various waveform features in the seismic imaging profiles , which are relevant to different backfills and geologic bodies in complex neritic backfilled areas , a prospecting example
并通过奥运工程勘察实例详细分析了该方法在复杂的浅海人工回填区域中不同的填入物与地质体在时间剖面上所展现的各种不同波形特征。 |
| 6. | The study shows that with the method offered the useful information reflecting the condition of the reciprocating pump can be effectively extracted from the highly noised signal by soft - thresholding de - noising method at the power end of the reciprocating pump
通过对振动信号的波形特征提取表明，该方法能在很高的背景噪声下有效提取反映往复泵状态的有用信息。 |
| 7. | The features are eventually calculated by the euclidean norms of the clusters . the combination of features extracted from wave structures , wavelet coefficients and frequency spectrum get better classification result than one kind of feature
本文还提取了舰船辐射噪声的波形特征，包络小波分解系数频率特征并与前述能量特征相结合，取得了比单个类型特征更好的分类效果。 |
| 8. | With a view to time - varying characteristic of the vibration signal measured on triplex reciprocating pump , an approach on the waveform feature extraction which reflects the various conditions of reciprocating pump with nonlinear wavelet de - noising analysis method is presented
针对三缸往复泵测量信号非平稳时变特点，研究了用小波消噪方法提取反映往复泵动力端状态的振动波形特征。 |
| 9. | The theory and method in detecting quality defect of concrete filled steel tube arch bridge by ultrasonic wave are summarized , and the parameter character and waveform character of ultrasonic wave through concrete filled tube specimen with regular defects are studied in detail
摘要综述了超声法检测钢管混凝土拱桥质量缺陷的理论和方法，重点研究超声波通过钢管混凝土试件常规缺陷状况下的参数特征和波形特征。 |
| 10. | For handling the interference from complex environment , this thesis presents a kind of real time on - line monitoring system . the main works include : 1 . by consulting a lot of related documents , analyzing the time domain waveform , frequency - domain waveform and various detecting ways
围绕此解决方案主要完成了以下主要工作： 1 )阅读了国内外大量相关文献，透彻分析了局部放电和各种干扰信号的时域、频域的波形特征，并对各种检测手段进行了分析。 |
