頻譜特徵 的英文怎麼說

中文拼音 [bīnpǔtèzhǐ]
頻譜特徵 英文
spectrum signature
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 譜 : Ⅰ名詞[書面語]1 （按類別或系統編成的書或冊子等） table; chart; register 2 （指導練習的格式或圖形）...
  • 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...
  • 頻譜 : frequency spectrum; frequency content; spectrum; power density spectrum; power spectrum; [系統] s...
  • 特徵 : characteristic; feature; properties; aspect; trait
  1. Above all, the system fuse the eradiate noise ' s different sides " feature and offer strong elements for the next process : classifying. it is very important to study the classifier in this dissertation

    其中線譜特徵反映了船舶輻射噪聲的頻域信息，能量特徵綜合了不同頻段內的信息，而分維特徵反映了信號的時域的信息。
  2. Through the inspecting, the author selected three methods of eradiate noise ' s feature extraction. the methods include the pedigree, e - filter, fractal. in those methods, the pedigree is based on frequency field, the e - filter is based on the energy field and the fractal is based on time field

    本文作者經過考察，採用了三種前期研究中較為有效的水下目標特徵提取方法? ?基於功率譜估計的線譜特徵提取方法、基於小波分析的不同頻段內能量特徵提取方法和基於水聲信號分維特性的特徵提取方法。
  3. Separation of artery and vena in cerebral cortex based on spectrum features

    基於頻譜特徵的腦皮層動靜脈分離
  4. Based on the crystal structure of astrophyllite, we examined the infrared spectra of monoclinic and triclinic astrophyllites, contrast the infrared spectral features of both astrophyllite minerals, and discuss the assignments of infrared absorption frequencies

    在新測定的星葉石晶體結構資料的基礎上，對星葉石礦物進行了詳細的紅外光譜研究，對比了單斜及三斜星葉石的紅外光譜特徵，並對星葉石中紅外吸收振動頻率的歸屬問題進行了討論。
  5. Effect on the characteristics of fatigue life of composite soils and dynamic modulus were discussed. the deformation behavior of stabilized soil on static and dynamic loading were compared. the characteristics of frequency spectrum of composite soils were analyzed in the thesis

    對水泥?水玻璃加固土進行循環荷載下的疲勞試驗研究，分析水泥?水玻璃加固土的疲勞壽命及其影響因素，以及固結土的動模量特徵，並對水泥土在動、靜荷載作用下的變形特徵進行比較，分析對比不同振幅與頻率的動荷載作用下的水泥加固土的應變響應及其頻譜特性。
  6. Here we used wavelet and spectral analysis to different kind seismic waves in volcanic area, in order to pick up their spectral character and determine the type of these earthquakes

    本文對火山區不同種類的地震波形運用小波分析和頻譜分析的方法，希望能提取不同類型火山地震的一些頻譜特徵，確定火山地震的類型。
  7. Female courtship signal of the brown planthopper was made of many continuous regular pulses and male ' s signal was made of similar syllabics and had two types with different time domain characteristics. second male vibrational signal differed from male courtship signal with wide spectrum range and regular syllabics frequency. time domain characteristics of signals in different individuals even the same individual were different

    頻域特徵分析知，褐飛虱雌蟲求偶嗚聲信號的頻域特性較穩定，個體內比個體間差異小；雄蟲求偶嗚聲信號s 、 e片段頻譜范圍較寬，但主振頻率比較接近，差異不顯著； m片段頻帶較窄，主振頻率mvf略小於s 、 e片段，變異較小； m片段脈沖重復頻率prf為幻
  8. Experimental results showed that the composites exhibited multiple damage modes and the characteristics of ae signals were remarkably affected by damage mechanism

    實驗分析表明，拉伸過程中破壞機制對聲發射信號的特徵具有顯著影響，不同損傷模式的信號頻譜特徵存在明顯的差異。
  9. In addition, effects of several factors such as local site conditions, focal mechanism, epicentral distance and seismic magnitude on these parameters are discussed, and several significative results and conclusions are obtained. in all records there are about 1 / 3 vertical ground motion ’ s peak acceleration bigger than 2 / 3 of the corresponding horizontal one, so the action of vertical ground motion should not to be underestimated. vertical design response spectrum equals that the horizontal design response spectra times 65 % is probably unsafe when period is short, and suggest adopting different coefficients when at different periods

    本文基於對大量歐洲強震記錄的研究，分析了地震動豎向與水平向分量在峰值加速度、反應譜值、頻譜周期等參數方面的差異，以及這些參數與場地、震源機制、震級和震中距的關系，得到了以下有意義的結果和結論:在本文分析的地震記錄中大約1 / 3的記錄加速度峰值比大於2 / 3 ，豎向地震動分量的作用不可低估;在短周期，豎向地震動影響系數的最大值僅取為水平向地震動影響系數最大值的65 %是偏於不安全的，可以考慮按周期分段採用不同的折減系數;我國現行抗震規范中設計反應譜特徵周期的取值偏低，可能是偏於不安全的;豎向與水平向地震動分量卓越周期的比值在0 . 7 - 0 . 9之間，豎向設計反應譜的特徵周期應有單獨規定。
  10. Starting with the research on the characteristics of frequency spectra of the ip field as well as charging - discharging time and based on experiment results, the authors summed up frequency spectra, time spectra and decay rate characteristics of sulfide mineralized bodies ( chalcopyrite ) and graphite - bearing dolomitic marble, and detected new parameters for qualitative evaluation of ip anomalies

    摘要從研究激電場頻譜特徵及充、放電時間特徵出發，根據實驗觀測結果，總結了硫化物礦化體（黃銅礦）及含石墨白雲質大理巖等巖性的頻譜特徵及充放電時間特徵，探索到新的定性評價激電異常源參數頻率譜及時間譜、視衰減速度。
  11. A sorting method of the helicopter noise sources is given. the temporal waveform and spectrum of the noise signature is analyzed. at last, the sound pressure spectrum density level is estimated with the experimental data taken from a specific navy helicopter

    扼要闡述了直升機噪聲的產生和分類，考察了直升機信號的波形和頻譜特徵，並對特定的直升機噪聲的聲壓譜密度級進行了計算。
  12. The test results show that different patterns of pd correspond to different demodulating signal waveforms, the pd phase angle in ac, and spectrum characteristics. therefore the pd patterns can be recognized by the uhf characters of different pd signals in gis

    試驗結果表明，不同缺陷類型的局部放電在其檢波信號波形、局部放電工頻相位分佈和超高頻頻譜特徵是有所不同的，可以依據這些特徵對gis內的局部放電類型進行識別。
  13. A gis pd measuring system is established, including a conventional pd measurement system, uhf detecting system and a pd spectrum system. we can obtain pd signal characters by this system, such as uhf transient signal waveforms, uhf demodulating signal waveforms, the pd phase angle in ac, pd spectrum, and discharge quantities

    建立了gis局部放電測量系統，其中包括：常規局部放電測量系統、超高頻檢波測量系統和放電頻譜測量系統等，通過測量系統得到了gis內局部放電的超高頻暫態信號波形、檢波信號波形、工頻相位分佈、頻譜特徵以及常規視在放電量等特徵。
  14. Finally, this thesis constructs the system of speech emotion recognition by importing the processed cepstral features to neural network model, and proves the efficiency of the proposed method according to the experiments

    最後，本文將處理后的頻譜特徵參數同原有的人工神經網路模型有效地結合起來，形成完整的語音情感識別系統，取得了較為滿意的識別結果。
  15. Frequency spectrum characteristics of electromagnetic emission of loaded coal

    受載煤體電磁輻射的頻譜特徵
  16. Research and analysis were carried on frequency spectrum characteristics of loaded coal ' s eme during deformation and fracture process

    摘要對受載煤體變形破裂時電磁輻射（ eme ）的頻譜特徵進行了研究分析。
  17. Chapter three discusses the vibration information based automatic diagnosis mehtod. the acquisition of spectrum feature of fault pattern class by the fuzzy clustering algorithm is the bisis of pattern recognition in the level of fault class. the result acquired by fuzzy relationship between vibration symptom and fault shows the feature of fuzzy - relation - based method

    第三章主要研究基於振動信息的自動診斷方法，建立了故障模式類的概念，根據模糊聚類演算法確定了故障標準模式類及其頻譜特徵，為在故障模式類層次上的模式識別提供了理論基礎；研究了模糊關系診斷結果的分佈規律；建立了綜合診斷實現了基於綜合診斷方法的多機組、多測點在線診斷。
  18. The moving manner of reciprocating i. c. e. shows its working processing of shock characteristic, simultaneously generates wild vibration and noise signal and often changes its operate speed. so it ' s difficult to get unique and simple spectrum unlike a rotary machine

    內燃機往復式活塞和曲柄連桿機構的運動方式，決定了它具有沖擊特點的工作過程，並且在實際應用中這種過程還是變工況的，它所產生的振動與噪聲信號十分雜亂，不像旋轉機械那樣具用簡潔的頻譜特徵。
  19. After analyzing the result of the experiment and the feature for text - independent recognition, we make a solution to the defects of the system. then long - time spectrum parameter and lpcc or mfcc are blended to be studied in detail to make the feature parameter. using these technologies, a high recognition rate was made

    針對單獨使用lpcc或mfcc應用於說話人識別中存在識別率還不夠高的問題，分析了原因，然後又對長時頻譜特徵進行了研究，並把長時頻譜特徵分別與lpcc和mfcc結合起來共同應用於說話人識別試驗，從而在一定程度上減少了單獨使用lpcc或mfcc運用於說話人識別中存在的問題，提高了系統的識別性能，取得了較好的效果。
  20. After collecting the characteristics of this signal in frequency domain, the samples are learned to train the constructed wavelet neural network ( wnn ) for realizing the mapping relationship between the fault and the spectrum characteristic, this method can be used for diagnosis of the unit faults efficiently

    在對水電機組振動信號進行頻譜分析后，提取該信號在頻率域的特徵量，將頻譜特徵向量作為學習樣本，通過訓練，使構造的小波神經網路能夠反映頻譜特徵向量和故障類型之間的映射關系，從而達到故障診斷的目的。
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