譜線變換 的英文怎麼說

中文拼音 [pǔxiànbiànhuàn]
譜線變換 英文
line reversal
  • 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）...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 換 : 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. Through the fluorescence spectra, ft - ir spectra and curve - fit, the effect of lanthanum ( iii ) on horseradish peroxidase ( hrp ) was studied

    運用螢光光譜、傅立葉變換紅外光譜以及曲線擬合等技術研究了鑭離子對辣根過氧化物酶的結構的影響。
  2. A non - destructive method is used to simultaneously determine the content of various kinds of phthalate plasticizers and adipate plasticizers in poly ( vinyl chloride ) plastics, applying fourier transform infrared spectroscopy - atr technique to obtain ir spectra and partial least square method to analyze the spectra

    摘要為了在線監控聚氯乙烯塑料中增塑劑的含量，採用傅立葉變換紅外光譜atr技術進行光譜測定，利用偏最小二乘法對所測的譜圖進行分析，建立了聚氯乙烯塑料多種增塑劑的無損定量測定方法，同時測定了聚氯乙烯塑料中多種鄰苯二甲酸酯類增塑劑和多種己二酸酯類增塑劑。
  3. In the paper, we describe the whole configuration of the joint transform correlator ; introduce the correlative theories of joint fourier transform in detail ; in order to achieve better correlation result, the nonlinear processing of joint transform power spectrum ( jtps ) is put forward, the effect of jtps laplace sharpening and binary processing to the correlation image is given ; the method of the best binary threshold is determined ; we analyse the correlation image, present the way that removes liquid crystal diffraction spot, direct current spot and image noise, and binarize the correlation image finally

    本論文主要對提出的聯合變換相關的整體結構進行了描述；詳細介紹了聯合傅里葉變換的相關理論；為了得到更好的相關結果，本文提出對聯合功率譜進行非線性處理的方法，給出了聯合變換功率譜的拉普拉斯銳化和譜的二值化處理對相關峰圖像的影響及二值化最佳閾值的確定方法；對相關峰圖像信息進行了分析；提出了消除液晶衍射光斑、直流光斑和圖像噪聲的方法；最後對相關峰圖像進行了二值化處理。
  4. 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。本論文在分析現有研究的基礎上，借鑒了已有的特徵提取方法，對相關調制類型特徵提取方法進行了優化，使用了一些有效的方法，如基於變換域特徵提取方法、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，本論文選擇了較適合的基於決策理論的識別演算法。
  5. Wt has been applied to denoising, data compression, and resolution of overlapping signals in analytical chemistry that includes flow injection analysis ( fia ), voltammetric analysis, high performance liquid chromatography ( hplc ), infrared ( ir ) spectroscopy, mass spectroscopy ( ms ), nuclear magnetic resonance ( nmr ) spectroscopy, ultraviolet - visible ( uv - vis ) spectroscopy, photoacoustic spectroscopy ( pas ), extended x - ray absorption fine structure ( exafs ) spectrum, etc

    在分析化學領域中，小波變換在流動注射分析、伏安分析、高效液相色譜、紅外光譜、質譜、核磁共振譜、可見紫外光譜、光聲光譜、擴展x -射線吸收精細結構（ exafs ）譜等分析化學信號的平滑濾噪、數據壓縮、重疊信號解析等方面都有成功的應用。
  6. In the first part, turbulent motion in convection zone as source to generate alfven waves is studied following lighthill - stein theory, in which the turbulent source was described by nonlinear terms in mhd equations

    就是將mhd方程中的非線性項通過fourier變換轉化為湍動源項，並採用kolmogroff冪律譜來描述對流層的湍動譜。
  7. The results show that the self - adaptive filter can be used to detect line spectrum, the wavelet transform and the fourier transform can be used to detect the ship noise in modulating the anisotropic noise field

    結果表明：自適應濾波對于各向異性噪聲場中的線譜檢測有良好的效果；而小波變換和短時傅里葉變換對各向異性噪聲場中的艦船噪聲調制信號檢測有良好的效果。
  8. Used fourier transforming the nuclear logs, its vertical resolution can be achieved from analyzing the changes of amplitude spectrum slope

    摘要對核測井曲線進行付氏變換，其縱向解析度可以從分析振幅譜斜率變化中獲得。
  9. The technologies including nonlinear compensation, scales conversion, algorithms of signal preprocessing, fft spectrum analyzing is emphasized

    著重闡述了數據的非線性補償技術、標度變換技術、信號預處理的各種演算法、 fft譜分析技術。
  10. According to the relation between gear wear and its vibration, continuous wavelet transform is introduced to estimate the wear condition, the energy values of continuous wavelet on scale fit a spline which is much like that of the wear course of the gear

    最後，將基於連續小波變換的信號處理方法引入變速箱齒輪的磨損估計。根據信號的連續小波變換的能量譜對尺度的積分值，擬合得到齒輪的磨損過程曲線。
  11. Lpc prediction error ; one - side autocorrelation sequence lpc ; acoustic front end processing ; canonical correlation based on compensation ; combination of features

    線性預測誤差單邊自相關線性預測語音前端聲學處理正則相關分析的譜變換補償特徵綜合
  12. The frequency analysis results show conclusions as follows : 1. the relative valid spectral power is declined with the volume percentage of inclusions in terms of exponent curve and the tendency of negative direction is same to that of forward direction

    當ly12鋁合金細小夾雜物（小於0 . 16mm ）的體積百分數從0 0 . 35時，在35 50mhz的頻帶范圍內，超聲波形的有效譜功率按近似指數曲線快速下降，沿相反方向檢測時其變換趨勢相同。
  13. Plasma characteristics of a rf ion source are investigated by emission spectroscopy. the spatiotemporal spectral line intensities of the first three atomic lines in hydrogen bahner series ( = 656. 28, 486. 13, 434. 05nm ) of rf ion source plasma, are measured with calibrated optical multichannel analyzer ( oma ). some plasma parameters, including electron temperature, hydrogen atom density and hydrogen ion density, are calculated and analyzed using partial local thermodynamic equilibrium ( plte ) theory and abel transform

    實驗採用絕對定標后的光學多道分析系統（ oma ）測定了離子源等離子體不同時間和空間位置的氫原子巴耳末譜線系中前三條譜線（ = 656 . 28 ， 486 . 13 ， 434 . 05nm ）的強度，並採用plte的理論和abel變換方法，計算出了高頻離子源等離子體的電子溫度、氫原子濃度、氫離子濃度等參數在放電的不同階段和徑向分佈情況，並進行了簡要分析。
  14. Second, based on the estimation, the fine dbf is performed and the target spectra are filtered. finally, the inverse velocity transformation and reverse weighting are done, and enough batches of signal are united

    然後，根據參量估值結果，進行精細的數字波束形成，濾出目標譜線，做速度譜反變換併合並多批數據，得到待處理的方位向信號。
  15. We solve time - dependent schrodinger equation of one - dimensional atom in intense laser field with pseudospectral method by introducing nonlinear space transformation

    本文通過引入非線性空間變換，用偽譜方法數值求解了一維原子在強激光場中的含時schr （
  16. An n - fold darboux transformation with multi - parameters for coupled nonlinear evolution equation of multi - component hierarchy is set up with the help of a gauge transformation of the spectral problem, from which the exact solutions of the nonlinear equations are given

    摘要利用等譜問題的規范變換，為一對耦合的非線性演化方程建立了一個具有多個參數的n -波達布變換，進而求出了該方程的精確解。
  17. Firstly the phase is extracted from interferogram by filtering and displacing frequency spectrum. then the wavefront and the line integral density are recovered by using fft or polynomial fitting method. lastly the radial local density distribution is calculated from the fitting curve of line integral density by the abel inversion

    首先對干涉圖進行頻譜濾波，用頻譜移頻法從干涉圖中提取相位，然後用快速傅立葉變換或多項式擬合實現波面重建，計算線積分密度，再利用abel積分變換從線積分密度的擬合曲線中反演徑向體密度分佈。
  18. The main work and originality in this thesis can be summarized as following : 1. analysis of acoustic characteristics of ship ' s radiated noise both in time and frequency domain, especially its deviation from the ordinary statistical signal. studies on two modern signal processing methods - higher - order statistics ( hos ) and wavelet transform

    分析了艦船輻射噪聲的通過特性、調制特性、譜特性與線譜的特徵及應用，特別分析了輻射噪聲譜的「三非」特性；研究了基於高階譜分析和小波變換的艦船輻射噪聲特徵。
  19. ( 1 ) based on two types of riccati equations, two kinds of new methods are proposed to obtain solutions of nonlinear differential equations. twelve families of exact solutions of wbk equation are found by using one of two methods ; ( 2 ) the homogeneous balance method is improved cind investigated to ( 2 + l ) - dimensional broer - kaup equation such that many families of new solutions are derived. ( 4 ) based on the isospectral lax pair of riccati form for generalized kdv equation with the force term, new darboux transformation and solitary - like wave solutions and rational solutions are obtained ; ( 4 ) by constructing darboux transformation and the superposition formula of generalized variable coefficients kdv equation with the force term, new single solitary - like wave solutions, double solitary - like wave solutions and rational solutions are found for ( 2 + l ) - dimensional generalized kp equation

    第二章和第三章考慮非線性偏微分方程的精確解的構造：首先給出了c - d對和c - d可積系統的基本理論，然後在第三章中具體研究了它們的應用： （ 1 ）基於兩種riccati方程，提出了兩種新的求解非線性微分方程更多解的方法，利用其中的一種方法，得到了wbk方程的12組精確解； （ 2 ）對齊次子衡法進行改進，以致於獲得了（ 2 + 1 ） -維broer - kaup方程的很多新解； （ 3 ）基於帶有外力項的廣義kdv方程的riccati形式的非等譜lax對，提出了該方程的一個新的darboux變換，利用該變換，得到了新的類孤波解和有理解； （ 4 ）通過構造了帶有外力項的變系數kdv方程的darboux變換及疊加原理，獲得（ 2 + 1 ） -維廣義kp方程的新的類單孤波解、雙類孤波解和有理解。
  20. There are difficulties in noisy speech recognition, especially low signal - to - noise rations are more difficult. this paper describes briefly six methods for speaker - dependent noisy speech recognition isolated words. they are lpc prediction error method, one - side auto - correlation sequence lpc, acoustic front end processing, canonical correlation based on compensation method, combination of features method and increase of poles method. the experimental results show that all the six techniques can improve effectively noisy speech recognition, and the best noisy speech recognition rate is above 80 % when snr 0db

    它們是：線性預測誤差法，單邊自相關線性預測法，語音前端聲學處理法，正則相關分析的譜變換補償方法，特徵綜合法和同模極點增加法。實驗結果表明，這6種方法都有效地提高了噪聲環境中語音識別率，其中較好的方法在強噪聲環境中信噪比為0db的語音識別率達到80 %以上，為信噪比較低的噪聲環境中自動語音識別展現了美好前景。
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