波形特徵 的英文怎麼說

中文拼音 [bōxíngtèzhǐ]
波形特徵 英文
waveform character
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 徵 : 名詞[音樂] （古代五音之一 相當于簡譜的「5」） a note of the ancient chinese five tone scale corre...
  • 波形 : [物理學] wave form; shape; wave pattern; wave profile
  • 特徵 : characteristic; feature; properties; aspect; trait
  1. In order to detect the bottom thickness, cavity, leak and deformation of steel meshes in secondary lining of concrete in tunnel construction, the authors evaluate the wave character and the detected result in the second lining of the tunnel using surveying radar technology and conclude the wave character in the tunnel lining which has mass defect and tested the accuracy and reliability of this technique

    摘要為檢明隧道混凝土二次襯砌中的底界厚度、空洞、漏水、鋼筋網變形等質量問題，利用探地雷達技術，通過對檢測方法及工程檢測實驗的研究，進行隧道二次襯砌中雷達波形特徵參數及檢測結果評價，總結了隧道襯砌質量問題的雷達波形特徵，驗證檢測方法的精度和可靠性。
  2. Study on the characteristics of microseism changes before strong earthquakes by digital seismic network

    數字化遙測臺網與模擬臺網記錄的地震波形特徵比較
  3. 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

    並通過奧運工程勘察實例詳細分析了該方法在復雜的淺海人工回填區域中不同的填入物與地質體在時間剖面上所展現的各種不同波形特徵。
  4. Then analyze typical noises of the network based on bispectrum, get the wave characteristics according to bi - coherence function, and carry on the clustering analysis based on self - organizing feature mapping, so it realizes the clustering identification of the typical noises of medium - voltage power line

    而後對電網的典型噪聲進行雙譜分析，並通過雙相干函數提取其波形特徵，利用自組織特徵映射神經網路進行類聚分析，從而對特定中壓配電網的各種電網噪聲干擾進行分類識別。
  5. 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測量得到流場速度矢量圖及流線圖，擾動波幅與波形特徵說明， re數一定時流動穩定性隨h值增大而提高。
  6. Waveshape character and pile defect for model pile tests

    樁身缺陷模型樁模擬試驗與動測波形特徵
  7. This dissertation concentrates on the difficult problems that the pipeline or pipe defects are not estimated or evaluated quantitatively, intelligently by mfl ( magnetic flux leakage ) inspection method. from the practical demand, theoretical analysis and experiments or testing, the mfl inspection technology of pipeline or pipe defects are explained, summarized in detail in the whole paper, at the same time, the relationship between the mfl field distribution, the mfl signal shape and the defect geometry or severity, the analysis of the mfl data and the compensation of influencing the relationship factors, signal feature extraction, intelligent recognition of defect parameters and so on are studied systematically

    論文針對管道（鋼管）缺陷漏磁檢測定量化、智能化的難題，緊密結合檢測現場實際需要，通過理論分析和大量實驗，系統分析總結了管道（鋼管）缺陷漏磁智能檢測技術，並在缺陷漏磁場分佈以及缺陷漏磁信號與缺陷外形參數間的關系、缺陷漏磁信號分析、漏磁信號影響因素補償、缺陷漏磁場波形特徵提取和缺陷外形尺寸定量識別等方面進行了深入研究，主要成果和創新如下：引出磁偶極子模型近似分析常見缺陷漏磁場，針對磁偶極子模型的不足，將有限元方法應用到缺陷漏磁場分析，實現了常見管道樣本缺陷漏磁場的模擬。
  8. We firstly smoothed these finger prints by wavelet transform. then we expressed these finger prints by some statistic parameters such as skewness, kurtosis, number of peaks, asymmetry, and the cross - correlation factor. lastly we put these statistic parameters into the artificial neural network for pattern recognition

    通過對譜圖波形特性的分析，先對譜圖進行了小波平滑，然後在平滑后的譜圖上提取了表示波形特徵的統計指標，最後把統計指標送入人工神經網路進行模式識別。
  9. Fractal theory based characteristic identification of high frequency transient waveforms of power systems

    基於分形理論的電力系統高頻暫態波形特徵識別
  10. Abstract : in this paper the characteristics of reflection waveform of embedded rock piles are studied from the point of theory and practice

    文摘:從理論與實踐上對大直徑嵌巖樁的反射波形特徵進行分析研究。
  11. 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

    通過對振動信號的波形特徵提取表明，該方法能在很高的背景噪聲下有效提取反映往復泵狀態的有用信息。
  12. 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

    本文還提取了艦船輻射噪聲的波形特徵，包絡小波分解系數頻率特徵並與前述能量特徵相結合，取得了比單個類型特徵更好的分類效果。
  13. 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

    針對三缸往復泵測量信號非平穩時變特點，研究了用小波消噪方法提取反映往復泵動力端狀態的振動波形特徵。
  14. 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

    摘要綜述了超聲法檢測鋼管混凝土拱橋質量缺陷的理論和方法，重點研究超聲波通過鋼管混凝土試件常規缺陷狀況下的參數特徵和波形特徵。
  15. 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

    圍繞此解決方案主要完成了以下主要工作： 1 ）閱讀了國內外大量相關文獻，透徹分析了局部放電和各種干擾信號的時域、頻域的波形特徵，並對各種檢測手段進行了分析。
  16. A kind of mathematical model about the output signal of the millimeter wave radiometer sensor is established. through analyzing and abstracting the output signal, we devised the target template. after previous transaction, use the fuzzy theory to calculated the target recognition probability, including the low speed scan and the high speed scan

    建立了毫米波輻射計輸出信號波形的數學模型，通過波形特徵分析和提取，分別設計了高、低速掃描條件下的目標模板，提出了一套對目標信號進行預處理的方法，並運用模糊目標識別理淪，分別計算了高、低速掃描條件下的目標識別概率。
  17. According to the theory of electromagnetic fields, the large salient synchronous generator with fractional stator slot are calculated and analyzed by the finite element method ( fem ) in this paper. the fourier analysis method is applied to decompose the air gap magnetic density into the basic spatial component and a series of harmonic components and wave shape eigen coefficient of air gap magnetic field are calculated

    本文根據電磁場理論，從耦合場的弱耦合角度首先計算了定子具有分數槽繞組的大型水輪發電機的電磁場，採用付立葉諧波分析的方法把氣隙磁密分解為空間基波和一系列諧波，進而計算出氣隙磁場波形特徵系數。
  18. So the conceptions of " characteristic variable " and " characteristic model " are presented here, and with them as a clue, the paper focuses on collecting and summarizing the characteristic variable which can indicate system ' s state and performance, physical meaning of the variables are discussed also. the characteristic variable includes : stability - monitoring variable, characteristic variable based on time - domain performances, output waveform variable, parameter variable and circumstance variable

    為此，本文提出特徵量和特徵模型的概念，並以此為思想主線，重點研究了能夠表徵系統性能的特徵量及其意義，引入了系統穩定性監控的特徵量、與控制指標相關的特徵量、輸出波形特徵量、參數特徵量及環境特徵量。
  19. Based on signal from carbon fiber composite defects such as lamination, hole, looseners in ultrasonic testing, this paper performs wavelet packet transform on the ultrasonic signals to extract statistics of approximation coefficients and detail coefficients that contain a great part of signal energy as sample - features

    摘要本文以碳纖維復合材料常見缺陷分層、孔隙、疏鬆的超聲波檢測缺陷信號為研究對象，對超聲波檢測信號進行小波包變換，提取包含信號絕大部分能量的近似系數波形特徵及細節系數的統計量作為樣本的特徵值。
  20. Based on geological radar penetrating practice for soil and stone dam hidden dangers of reservoirs in northwestern loess areas and from the variations of the disturbance, pore ratios and water contents of the soil bodies in the percolation positions, the authors analyzed the variations of geological waveform characteristics and waveform phase axis continuation, and summed up the graph characteristics of the percolation hidden dangers in different periods

    摘要通過西北黃土地區水庫土石壩滲流隱患探地雷達探測實踐，從滲流部位的土體擾動、空隙比、含水量的變化入手，分析探地雷達波形特徵變化、波形同相軸連續性的變化，總結了滲流隱患不同時期的探地雷達圖像特徵。
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