本徵變換 的英文怎麼說

中文拼音 [běnzhǐbiànhuàn]
本徵變換 英文
eigentransformation
  • : i 名詞1 (草木的莖或根)stem or root of plants 2 (事物的根源)foundation; origin; basis 3 (本錢...
  • : 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...
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  1. Due to nonlinear bottom boundary condition, the generation of internal tides over finite topography can only be deal with by using of ray - tracing method beforetime. the transforms introduced in this dissertation make it possible use eigenvalue method to investigate the generation of internal tides over finite topographies

    由於非線性邊界條件的使用,前人處理有限地形上內潮的產生問題只能求助於射線理論,文提出的坐標將若干海底地形成平底,從而使得利用特值方法研究這些地形上的內潮生成問題成為可能。
  2. If only the eigenvalue of a and not the eigenfunctions are desired, it is not necessary, according to section 3. 3, to obtain the transformation matrix s.

    假如僅需求出A的值而不要求出函數,那麼按照章第33節,就不必求出矩陣S。
  3. The process of feature extraction is to transform the eradiate noise signal to different feature space and extract the feature vectors that reflect the category of the input sample. the extracted features are the input modes to the classifier

    提取的過程是把輸入的船舶輻射噪聲信號到不同的特空間,提取出反映樣的類別特性的特向量,並把其作為分類器的輸入模式。
  4. The other research purpose is to discover characteristic information and reliable methods of reflecting spinal cord damage. due to typical damage indicators, amplitude and latent period, have bugs such as limited information and weak stabilities, this project recommends applying time - frequency analysis to monitoring spinal cord function. through analysing and comparing typical signal with stft and cwt, it is proved indicators under time - frequency distribution can be better in reflecting signal changes, espcially the wavelet transformation

    針對目前ep監測中判定脊髓損傷的指標(波幅和潛伏期)存在信息量相對較小、穩定性較差的缺陷,課題提出利用時頻分析技術對術中脊髓功能監護進行研究,通過短時傅立葉和小波分析和比較典型信號的時頻分佈,證明時頻特參數能更有效的提取信號的化信息。
  5. Secondly, after analyzing the strategic relations between the manufacturer and the supplier, the dissertation brings forward that the manufacturer must category the materials and select different supplier to built relations, explains the features and the advantages and disadvantages of strategic partnerships, and bring forward that the manufacturer must give some special request for the supplier strategic partner. thirdly, the dissertation analyses and summarize the existing methods of supplier selection, and point out their disadvantages. then, the dissertation apply the extenics to the dynamic selection model of the strategic supplier, building the evaluation indexes with implication systems, selecting strategic supplier with rhombus thinking method, looking for the suppliers with the extension of the matter - element, selecting the right supplier with the extension evaluating methods, replacing the dissatisfying features with the transformation matter - element method and making it more better

    文首先對供應鏈管理和戰略合作夥伴關系的國內外研究現狀和發展趨勢進行了研究;其次,對製造商和供應商的戰略合作夥伴關系進行分析,指出了製造商需要對采購物料分類,針對戰略型物料選擇戰略合作夥伴建立戰略合作夥伴關系,闡明了建立戰略合作夥伴關系的特及優缺點,並提出了製造商對供應商戰略合作夥伴的具體要求;再次,對目前存在的供應商選擇方法進行了深入的分析和總結,指出了不足之處,並提出了應用可拓理論進行供應商戰略合作夥伴選擇的思路;然後,應用可拓理論建立供應商戰略合作夥伴選擇動態模型,其中,用蘊含系方法建立評價指標體系,用菱形思維建立選擇模型,利用物元的可擴性來尋找待評供應商,用可拓評價進行收斂,並用物元對已經選中供應商的不滿意特進行,使其完善;最後對r企業的供應商戰略合作夥伴選擇進行了文模型的實證部分,使模型不僅具有理論意義,更具有實踐意義。
  6. Fast algorithms of both discrete and orthonormal wavelet and wavelet packet coefficient are diagrammatized to be introduced. daubechies wavelet is applied to help to discuss the application and test on signal filtering and noise reduction with the principle and threshold implementation ; the basic principle to pickup the fault characteristics is introduced mainly about the relations between the maximum module and signal saltation point and how to characterize the saltation point with lipschitz exponent

    展示了離散正交小波的mallat快速演算法和小波包系數分解的快速演算法;重點應用daubeches小波探討了小波在信號濾波去噪中的應用和實驗,闡述了其基原理和通過閾值化處理實現濾波的具體方法;探討了用小波進行故障特提取的原理,說明了小波模極大值和信號突點之間的關系以及怎樣用李氏指數來表點的性質。
  7. When dealing with color images, a color transforming is utilized to detect the faces and scleras

    在處理彩色圖像的時候,文應用了一種顏色的方法來提取人臉和眼白的特
  8. The technology of identification based on iris is researched in the article, the key point of the technology is the iris characteristic acquisition and recognition, therefore based on the iris image texture characteristic, using the wavelet transforms to get the characteristic of iris image, a new method named zero - crossing detection and secondary circle coding is used in the article

    文研究的就是用虹膜進行身份識別的技術,該技術的關鍵是虹膜特提取和識別。基於虹膜圖像的紋理特,利用小波來提取虹膜圖像的特文提出了基於小波過零檢測的循環二次編碼的方法。
  9. In the phase of image pretreatment, the main jobs of this system includes dot operation, image swell, positive chiasma transform, edge extraction and edge swell, outline track, etc. because the visual system itself is a neural system, systematizer designed in the paper adopts bp neural network to accomplish computer image identification, the system has some advantages over the traditional one, but with the extensive application of bp neural network, the problems existing in bp neural network come forth increasingly

    在系統軟體設計部分中,首先是對所選零件進行模式識別,包括圖像預處理、特提取和分類器設計三個階段,其中在圖像預處理階段系統主要做的工作有:點運算、圖像增強、正交、邊緣提取和邊緣增強、輪廓跟蹤等。由於視覺系統身就是一個神經系統,故文所設計的分類器採用bp神經網路,其具有一些傳統技術所沒有的優點。
  10. Secondly, the wavelet transform of ae signals collected in experiment is carried out with db6 wavelet and scale 3 on the basis of the signal ' s frequency analysis. the high frequency d, signal is ae characteristic signal. and by choosing the level ' s wavelet coefficient as its input, the wavelet - neural networks can be trained with the data of ae experiment, and the ae signals can be effectively recognized

    然後,在實驗與對實驗所採集數據頻譜分析基礎上,根據對小波分析用於信號處理可行性研究,文選擇db6母小波、尺度j = 3對實驗所採集數據信號進行小波后其高頻成分d _ 1信號即為聲發射特信號。
  11. Because there are defaults in the classic methods of acoustic signal analysis, a new method based on the wavelet analysis is brought forward in the paper

    針對傳統的聲信號分析方法在信號特提取方面存在的缺陷,文提出了一種基於小波的聲振動信號的特提取方法。
  12. The governing equations of the problem are derived in hamiltonian form by using variable substitution and variational principle. then the methods of separation of variables and conjugate symplectic eigenfunction expansion are developed to solve the equations of plate bending problem. the result can be derived by analytical method

    在平面彈性問題中,由量代分原理,方程可導向哈密頓體系,從而通過分離量法及共軛辛函數向量展開法,以解析的方法來進行求解。
  13. For the mesoscopic metal ring system in external magnetic field, supposing the system has a symmetry under translation in charge space, the quantum current and the quantum energy spectrum in mesoscopic metal ring are given by solving thire eigenvalue equations ; and the quantum fluctuations of the current and the energy have been calculated by the character of the minimum shift operator

    摘要針對處于外磁場中的介觀金屬環系統,假設在電荷空間中具有的對稱性,通過求解值方程給出系統的量子電流、能譜關系;利用最小平移算符的性質等,計算介觀金屬環中電流和能量的量子漲落。
  14. For one - dimensional mesoscopic metal rings system in external magnetic field, supposing the system has a symmetry under translation in charge space, the quantum current relation in mesoscopic metal rings is given by solving the eigenvalue equation of the current, the property of quantum current have been investigated and analysed

    摘要針對處于外磁場中的一維介觀環系統,假設在電荷空間中具有的對稱性,通過求解電流算符的值方程,給出系統中的量子電流關系,分析和研究一維介觀金屬環中量子電流的性質。
  15. A method of face detection based on support vector machine ( svm ) is put forward. the features are extracted by applying the discrete cosine transform ( dct ) to the preprocessing image. the dct coefficients are inputted to the svm and the svm are trained using the cropped face samples and the " bootstrapping non - face " samples

    對預處理后的圖像進行離散餘弦提取特,取dct系數作為支持向量機的輸入,將經過裁剪的「人臉」樣與「自舉」方法得到的「非人臉」樣一起用來訓練支持向量機。
  16. The potential applications of amr include both civil and military communication, especially non - cooperative communications and communication confrontation, such as identifying signals, supervising signals, distinguishing interference, electronic confrontation, analyzing military threat, etc. on the basis of our analysis to the existing research on feature abstraction, the related feature abstraction methods are optimized in this paper, resulting several effective methods such as the feature abstraction based on transformation domain, stepped voltage level analysis, normalized carrier - free spectral energy analysis, squared signal and fourth powered signal analysis, etc. both the decision theory based on recognition algorithms and the artificial neural network ( ann ) based on recognition algorithms is analyzed, and the former is selected as it is more appropriate for this research

    調制類型的自動識別廣泛應用於民用通信與軍用通信,尤其是對于非合作性通信、通信對抗,比如:信號確認、信號監控、干擾辨識、電子對抗、軟體無線電、電子救援、通信對抗、軍事威脅分析等。論文在分析現有研究的基礎上,借鑒了已有的特提取方法,對相關調制類型特提取方法進行了優化,使用了一些有效的方法,如基於域特提取方法、梯層電平分析方法、剔除載波后的歸一化頻域能量分析方法、信號平方后的頻譜分析方法、信號四次方后的頻譜分析方法等。通過對基於決策理論和基於人工神經網路兩種識別演算法進行分析,論文選擇了較適合的基於決策理論的識別演算法。
  17. By use of the relationships between the hermite polynomial and the laguerre polynomial, the eigenequations of one - dimensional harmonic oscillator and hydrogen atom are conversed into the same equations in form. therefore the relationships between energy levels and wave functions of one - dimensional harmonic oscillator and hydrogen atom are found. through the coordinates transform, the relationships between energy levels and wave functions of two - dimensional harmonic oscillator and hydrogen atom are found

    首先綜述了諧振子與氫原子的基理論的研究現狀,並在此基礎上對諧振子與氫原子的關系展開了研究,通過厄密特方程與拉蓋爾方程的相互轉化,將一維諧振子與一維氫原子的值方程轉化為相同形式的方程,從而比較得出它們能量及波函數間的關系,並通過坐標將直角坐標系下二維氫原子的值方程轉化成與曲線坐標系下二維諧振子的值方程相同的形式,從而得出二維氫原子與二維諧振子的能量及波函數的關系。
  18. We provided a new method that tried to transform the whole image to featured space and facilitated identification and self - elimination of disturbance according to the hue and luminosity features of eyes of human being. we gave the definition and description of the transformed space. a wavelet - texture filter was designed to distill space - transform - based feature of the image itself was executed

    根據人眼對顏色、亮度等不同的敏感性以及圖像身的性質,仿人眼域分析圖像形成光學濾色鏡效果,減少復雜背景顏色和相似形狀的多重干擾,並以此定義和表域特空間,給出域小波紋理車牌特,成功提取車牌字元區域; 2
  19. We discussed the main characteristic parameters of seismic kinesiology and dynamics of mine engineering fracture zone, including relative amplitude, phase time of wave crest, similarity factor, principal frequency band energy, 3 - d space time gradient and coherent coefficient et al., and puts forward the processing method of 3 - d seismic characteristic parameters about denoise - smoothing, generalization, correlation analysis, characteristic transformation ; and presents the method of pattern recognition of mine engineering fracture zone

    摘要文從時間域、頻率域、三維空間域介紹了礦山工程裂隙破碎帶主要的地震運動學、動力學屬性參數,包括相對振幅、波峰相位時間、相似系數、主頻帶能量、二維空間時間梯度和相干系數等,提出了礦山工程裂隙破碎帶三維地震屬性的去噪平滑、歸一化、相關分析、特的處理方法以及裂隙破碎帶的模式識別原理與方法,並用實例說明了該方法的應用效果。
  20. In this article, the research of image process based on pattern recognition consists of three phases : 1 ) phase of image segmentation : a method of multi - layer and multi - character ' s segmentation in transform field based on knowledge is proposed

    文對基於模式識別的圖像處理過程分三個主要階段進行研究: 1 )圖像分割階段:提出基於知識的多層多特域(特空間)的判別分割方法。
分享友人