特徵波形 的英文怎麼說

中文拼音 [tèzhǐbōxíng]
特徵波形 英文
signature waveform
  • 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 : 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...
  • 特徵 : characteristic; feature; properties; aspect; trait
  • 波形 : [物理學] wave form; shape; wave pattern; wave profile
  1. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此，對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此，本文從測井地質的角度，針對當前裂縫性儲層測井地質解釋與評價的現狀，在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上，利用分形分維方法和技術，通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ （ fa ）與m指數的理論推導，根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜，則其分維值d _ （ fa ）越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵，提出了改進的基於盒維數的測井曲線網格覆蓋法，編程計算了裂縫性儲層段常規測井曲線（如聲波和電阻率曲線）上分形分維值及其m指數值，進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究，效果十分理想： 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪，採用儲層分維值分類技術統計分析這些參數變化的規律，並結合qx油田l區塊儲層類型經驗判別圖版，從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  2. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  3. Cycle frequency - based blind beamforming shows the performance degradation due to cfe ( cyclic frequency error ). an improved algorithm is presented in literature 6, which adopting forgetting factor in estimation cyclic correlation matrix would largely depress the sensitivity of cab to cyclic frequency error. by using this method, the improved algorithms of the c - cab and ecab algorithms are presented in this dissertation

    針對基於循環頻率的盲波束形成演算法對循環頻率誤差cfe （ cyclicfrequencyerror ）很敏感而導致演算法性能下降的情況，參照文獻[ 6 ]提出的遺忘因子cab演算法，提出了c - cab演算法以及基於特徵空間的盲波束形成演算法（ ecab ）的改進演算法。
  4. It make the principle formula become simpler and more practical. by the attenuation regulation and distributing character of stress wave under the linear charge blasting, the paper bring forward the idea that the columniation stress wave can be regarded as cylinder stress wave, the end stress wave as spherical wave. the perfect stress attenuation formula in radical direction is established in complete elastic medium

    根據條形藥包爆破應力波分佈特徵及衰減規律，提出了可將條形藥包爆破柱部應力波當作柱面波、端部應力波當作球面波處理的研究方法：建立了理想的完全彈性介質中球藥包和條形藥包爆破徑向應力衰減方程。
  5. A sets of transforms are introduced in this dissertation, by using of which some kinds of topographies, such as continental slope and ridge, can be converted into flat bottom. the processing simplifies the generation of internal tides and reflection of internal waves over those kinds of topographies

    針對海洋中的一些地形，如陸架陸坡地形、海山地形、海溝地形，提出了一組坐標變換，該變換可以將這些海底地形變換成平底，從而使得在這些特徵地形上內波的傳播和內潮的產生問題得到很大的簡化。
  6. ( 2 ) morphology of stationary state eigenfunction

    定態波函數形態特徵。
  7. Moreover in speech enhancement, especially in reducing the pulse noise, morphological algorithm has its unique advantage. particularly morphological filter may maintain the preferable accurate of the speech signal in speech waveform, and which produces little impairment to the formant of speech. so the spectrum structure of the speech is retained well, and the quality of the speech will not be reduced

    特別是，在時域波形分析中，形態學濾波增強較小波去噪更好地保持語音信號的細節；在頻域分析中，形態學濾波對語音信號的基音頻率、頻譜斜率、共振峰等語音特徵的影響很小，因而能夠較好的保留語音信號的頻譜結構，使語音品質不致降低。
  8. Using the way combining the mathematic morphology top - hat and gauss matched filtering can effectively reduce the influence of the inherent fovea and the marginal noise brought forth by the retinal camera caliber in retinal image and increase the precision of retinal image segmentation and feature point extraction

    文中提出了採用灰度數學形態學中的top - hat變換和高斯匹配濾波相結合的方法，用來有效的降低視網膜熒光圖像中固有的小窩現象及眼底照相機的口徑所引起的視網膜圖像邊界像素噪聲，極大的提高了圖像分割及特徵提取的精度。
  9. Approximation solution of characteristic equation of guide wave in a semicircle tunnel

    半圓形隧道中導行波特徵方程的近似求解
  10. 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。
  11. 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
  12. The simulation results show that the throughput of proposed method converges to that of eigen - beamforming when the number of users in a cell is large

    模擬結果表明，當小區內的用戶數足夠多時，所提出的方案獲得的系統吞吐量將收斂于在發射端使用特徵波束成形矩陣的吞吐量。
  13. To extract incipient fault feature of mechanical signal, a new method to construct wavelet according to the fault characteristics is presented

    摘要針對機械信號早期故障特徵的提取問題，提出了一種根據故障特徵波形的特點來構造相應小波的方法。
  14. The engineering result confirms that the proposed method is better than the other wavelet methods for matching fault feature of mechanical signal, and the weak impact - rub fault caused by the axis misalignment and rotor imbalance of a key rotating machine in an oil refinery are desirably extracted

    工程振動信號分析表明，同其他類型的小波相比，用提升方法構造的小波能更好地匹配機械信號故障特徵波形，因此較理想地提取出了某煉油廠重催機組轉子不平衡、軸系不對中和輕微碰摩的故障特徵。
  15. Combining wavelet features and morphology features of cancer cells in shape and structure, a cancer - cell auto - recognition method is put forward. the experiments on hybrid examples of lymphocyte, meothelial and adenocarcinoma shows that the recognition ratio using this method is nearly 100 %

    本文利用小波特徵與形態學特徵相結合，根據癌細胞形態和摘要結構的特點，給出了一種胸液脫落癌細胞的自動識別方法，對由淋巴細胞、間皮細胞和癌細胞組成的混合樣本的實驗檢測表明，該方法正確識別率接近100 % 。
  16. ( 4 ) influence on reflected wave of the moisture of surface, base and subgrade and voids of asphalt surface is analyzed and characteristic waves are simulated to offer reference to analyzing actual wave

    （ 4 ）對路面面層、基層和地基的含水量以及瀝青層空隙率對雷達反射波的影響進行分析，並對其特徵波形進行模擬，為分析處理實際波形提供參考。
  17. Based on the uwb radar system, the emitting waveform design and signature waveform detection are discussed respectively in this paper to realize the detection and discrimination of targets

    本文在超寬帶雷達體制下分別從發射波形設計和特徵波形檢測兩個角度來實現目標的檢測和識別。
  18. In waveform design aspect the impulse response elimination method is presented to detect and discriminate the targets. in the signature waveform detection aspect the target ' s late - time response is adopted as the signature waveform, then the adaptive beam formation arithmetic is used to detect this signature waveform

    在發射波形設計中提出了沖擊響應消去法，設計與目標匹配的發射波形來檢測和識別目標；在特徵波形檢測中提出用目標沖擊響應的晚期響應作為目標的特徵波形，再利用自適應波束形成的演算法來檢測待測目標的特徵波形。
  19. Firstly, with the application of both morphologic translation and human body feather analysis on binary graph, the human body contours are extracted by exploited moving information, producing perfect human face region segments ; secondly, in order to form an accurate border, the author presents an improved statistical color model, which has removed redundancy successfully ; finally, a high compression rate is achieved by way of combining wavelet transform and different chain codes

    首先利用運動信息分割出人體輪廓，並綜合運用人體的特徵與形態數學的方法成功地分離出人臉大致區域；然後採用基於改進統計彩色信息模型方法，精確分割出人臉區域，去掉了不相關的冗餘信息；最後提出了利用圖像小波變換結合差分鏈碼技術描述了人臉對象，並實現了高效的視頻壓縮。
  20. In the wi coder, the speech signal is represented by an evolving characteristic waveform ( cw ). the cw is decomposed into a slowly evolving waveform ( sew ) and a rapidly evolving waveform ( rew ), representing the quasi - periodic and non - periodic components of speech, respectively

    Wi編碼器將語音信號表示為漸變的特徵波形（ cw ? characteristicwaveform ） ，然後將其分解為慢漸變波形（ sew ? slowlyevolvingwaveform ）和快漸變波形（ rew ? rapidlyevolvingwaveform ） ，分別表示語音的準周期成分和類噪聲成分。
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