nonlinear transform 中文意思是什麼

nonlinear transform 解釋
非線性變換
  • nonlinear : 非線性的
  • transform : vt (使)變形;(使)變化[轉化,轉變];變態,改變(性質、機能等),改造,改革;【數學】變換;【電...
  1. Nonlinear adaptive equalizer based on wavelet packet transform

    基於小波包變換的非線性自適應均衡器演算法
  2. Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal

    我的思路是:改造現有圖形結構,先建立能反映信噪比大小且含待定參數k的表達式,然後通過離散型h0pfi舊單層反饋神經網路,再結合前邊的混合濾波器構成一個非線性控制系統,寫出對應的網路函數,利用相平面法和李雅普諾大穩定性的判據,得到一個穩定的極限環,從而確定出參數卜的范圍,進而再對原來的小波軟閾值進行修正,用修正後的值作為小波閾值。
  3. Abstract : in fourier transform profilometry, because of the nonlinear relationship between the irradiant incident upon a ccd dete ctor andthe voltage it outputs, it will cause phase evaluation errors. here, we ex plain the errorsource by theoretical deducing, then make a simulation. at last, a method to decrease thiserror is put forward

    文摘:在傅里葉變換輪廓術中,由於ccd探測器光電響應的非線性,將在測量中引入高次項,從而對相位的求解造成較大誤差,通過理論的推導定性地解釋了誤差的來由,並用計算機進行了模擬計算,最後提出了減小誤差的方法。
  4. The fractal theory application to fault diagnosis is tried in order to overcome the defec t of wavelet transform to nonlinear signal analysis and complicated machine diagnosis, including the concept, function and application about fractal dimension and the process of applying it to analyze the libration signal of rolling bearing and engine burning

    針對小波變換分析復雜非線性機械繫統時表現出的力不從心,又嘗試探討了分形理論在故障診斷領域中的應用,討論了分形維數的概念、物理意義和應用,並通過滾動軸承和發動機燃燒振動信號的分析例示探討和展示了應用分形方法進行故障診斷的方法和過程。
  5. 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。
  6. So the lifting scheme allows one to custom - design the nonlinear filter, needed in the transform algorithms, to the situation at hand

    它構造小波的方法很簡單直觀,運用它可以構造出一些性質良好的非線性小波。
  7. Analysis of nonlinear norm transform based on describing function

    非線性度變換的描述函數法分析
  8. 2 rayleigy and weibull distribution ground clutter for airborne phased array radar ( apar ) general pulse signal was simulate with method of zero memory nonlinear transform

    二、利用零記憶非線性變換法實現機載相控陣雷達常規脈沖情況下的瑞利分佈、韋伯爾分佈的地面雜波模擬。
  9. Nonlinear dynamical character of ship rolling investigated by harmonic wavelet transform

    用諧波小波變換法研究船舶橫搖的非線性動力特性
  10. Expression animation : based on water ' s muscle model, 17 muscle vectors are presented to simulate facial muscles " motion by nonlinear interpolation. meanwhile, some other parameters, for example, open of jaw and eyelids, could simply be substituted by rotation transform. through these control parameters " interaction, highly natural looking animations have been able to generated

    在人臉表情動畫方面:基於waters的幾何肌肉模型定製了一個具有17個肌肉向量的人臉模型的動畫結構,用非線性插值來模擬肌肉的簡單運動;同時,採用旋轉變換來模擬其它的表情控制參數,例如下巴的張開角、眼簾的張開角等。
  11. Experimental result shows the algorithm has nearly the same edge preserving performance as nonlinear multiwavelet transform, and nearly the same speckle noise suppression performance as filtering

    此演算法對原圖像進行多小波變換,然後在不同尺度,不同方向進行自適應閾值處理,模擬結果表明:本演算法能夠有效地抑制了斑點噪聲,又保留有用信號及邊緣信息。
  12. Through the analysis of mapping relation between pixel point and a point of space, the paper pose a demarcate method based on grid interpolation. this method transform complicate nonlinear problem to many little regional linear problems and realize emendation on problems of linear and nonlinear deformation in image

    通過對圖象中的象素點與空間中的一點之間的映射關系的分析,提出了一種基於網格插值的標定方法,該方法將復雜的非線性的問題轉化為一個個小區域的線性問題,實現了圖象平面的線性和復雜非線性變形問題的校正。
  13. Fourier transform method use high order frequency to analyse and imitate nonlinear and non - stationary data. emd method based on local characteristic time scale of the data is more fit to analyse nonlinear and non - stationary data than fourier transform method

    Emd基於信號的局部時間特徵尺度分析原信號,克服了傅里葉變換用高次諧波頻率分量擬合非線性、非平穩信號的缺點。
  14. Method of fault detection based on anfis nonlinear observer using continuous wavelet transform

    非線性觀測器的連續小波變換故障檢測
  15. In this proposed algorithm, the phase rotation can be compensated using higher order statistics, nonlinear transform of equalizer outputs, and decision feedback algorithm, the faster convergent speed can be obtained by introducing sign algorithm, and the mse can be reduced via employing decision feedback equalization algorithm

    該演算法充分利用高階統計量所包含的相位信息、均衡器輸出信息的非線性變換及判決反饋演算法來補償相位旋轉;利用符號演算法可以減少計算量的特點來加快收斂速度;利用判決反饋濾波器的性能來減小均衡器輸出的均方誤差。
  16. The prevailing approaches depend on costly time domain convolution, using the frequency domain network parameters such as s - parameter, y - parameter or abcd parameters to find analytic solution, and finding the time domain approximations by fft or even numerical inversion of laplace transform ( nitl ) if there are a large number of nonlinear devices in the network

    目前盛行的方法是採用費時的時域卷積法:首先運用諸如s 、 y 、 abcd的頻域網路參數求出頻域解析解,然後通過快速福利葉變換( fft )得出時域近似解,如果網路中存在大規模的非線性設備,還需要採用數值逆拉普拉斯變換( nilt ) 。
  17. The adaptive predistorter given can achieve the predistortion compensation based on piecewise estimating hpa nonlinear characteristic curve and training hpa estimator nonlinear parameters via performing inverse transform with curve fitting section by section

    自適應預失真器是基於對大功率放大器的非線性特性進行分段估計,由曲線擬合逐段取逆變換來訓練大功率放大器的預失真器的非線性參數,以達到預失真補償的目的。
  18. For the time - invariant linear systems, we transform the problem of observer design to a special type of constrained nonlinear programming and present the method to solve this programming using hopfield network, then, prove the convergence of the network

    本文將線性時不變觀測器的設計問題轉化為一類特殊的約束非線性優化問題,給出了利用hopfield網路求解該問題的方法,證明了該方法的收斂性。
  19. For this reason, the paper is aimed at the electro - hydraulic servo - system nonlinear problem, and proposes the feedback linearity means ( that is the inverse system method ) against the system mode systematically to transform such nonlinearity into the pseudo linear system. the system mode not merely continues to have system message completely feedback the linearity means, but also achieves the great limit linearization of controlled device, for designing the controller to advance system dynamic characteristic and performance index and supply the ideal terrace in the interest of the application linearity control theory

    為此,本文針對該非線性問題,提出了逆系統狀態反饋線性化方法,將其非線性系統轉化成偽線性系統,不僅完全保留了系統的信息,而且還實現了被控對象的大范圍線性化,為應用線性控制理論去設計控制器為提高系統的動態特性和性能指標提供了理想的平臺。
  20. In this paper, a nonlinear multiwavelet transform adaptive threshold value method is proposed to suppress speckle noise

    摘要文章提出了一種新的用於斑點噪聲抑制的非線性多小波變換自適應閾值演算法。
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