線性尺度變換 的英文怎麼說
中文拼音 [xiànxìngchǐdùbiànhuàn]
線性尺度變換
英文
linear scaling- 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...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 尺 : 尺名詞[音樂] (中國民族音樂音階上的一級 樂譜上用做記音符號 參看「工尺」) a note of the scale in ...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 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
- 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
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Multi - channel deconvolution, based on multi - channel signal analysis, is presented to recover receiver function from three - component teleseismic p waveforms clustered within certain backazimuth and epicenter distance, to increase the resolution of receiver function. wavelet inversion is also introduced to broadband receiver function, to solve for nonuniqueness cased by linear approximation of nonlinear problem, and broadband receiver function is decomposed into multi - resolution versions, and the inversion result for the low - resolution version is iteratively taken as the initial model for the high - resolution, and gradually obtain the inversion model for broadband receiver function
為克服廣義線性反演對初始模型的依賴性,並保持其快速收斂的特點,本文首次將小波變換引入到接收函數波形反演,將接收函數分解到不同的分辨尺度上,分別進行廣義線性反演,並將低解析度的反演結果作為高解析度反演的初始模型,漸近地獲取寬頻帶接收函數的模型,克服了非線性問題線性化帶來的非唯一性。On the basis of extensive reading and research of theory of the wavelet, it is presented a practical method based on odd theory of wavelet analysis to remove the white noises from transient fault current traveling waves of high voltage transmission line via multi - size analysis of wavelet
本文在廣泛閱讀和深入研究小波理論的基礎上,論文提出了一種基於小波分析的奇異性理論對通過小波多尺度變換的高壓輸電線路故障電流暫態行波信號進行白噪聲濾除的實用方法。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。According to the relationship between the local modulus maxima of wavelet coefficients and the local singularity, and the multiresolution analysis of wavelet transformation, the blocklines is flagged. then using the method of binary image processing and mathematical morphology to get the complete blocklines, and to construct the binary control mask. the control mask identifies valid and invalid discrete phase distribution, and remains the errors of phase unwrapping within the local confines successfully
針對直接標記截斷線的困難,利用小波變換系數的模極大值與局部奇異性的關系,通過檢測多尺度小波變換系數模極大值的位置來標記截斷線的基本走向,進而採用二值數學形態學處理方法形成完整的截斷線,構成標記出極點與截斷線等易產生錯誤的區域的二元模板來,將位相展開的錯誤限制在局部范圍。The response and excitation signals are first decomposedusing the daubechies wavelet scaling function. then the differential vibrationequations of the time - varying system are transformed into simple linear equationsbased on the orthogonality of the scaling functions. the physical parameters can beidentified directly by solving the linear equations
運用daubechies小波對線性時變系統的激勵和該激勵作用下的響應做變換,將變換后的響應和激勵代入微分方程,利用daubechies小波尺度函數的正交性,將微分方程轉換成簡單的代數方程組,求解方程組,識別系統的時變參數。In this paper, the multi - scale technology is introduced to study the wave - motion equations with viscous or transverse inertia effects or both of them. burgers equation, k - dv equation and kdv - burgers equation are deduced respectively, and correspondingly the steady shock - wave solutions, solitary wave solutions and oscillation solitary wave or shock - wave solutions are obtained
接著,又採用奇異攝動理論中的多尺度變換法分析並簡化了分別計入粘性、橫向慣性效應以及同時計入這兩種因素時的幾何非線性波的波動方程,分別得到了經典的burgers方程、 k - dv方程和kdv - burgers方程;並求出它們相應的穩態解分別為激波解、孤波解和振蕩孤波解或激波解。The influence of optical source chirp on femtosecond soliton interaction is studied numerically, and the unequal amplitude method can reduce the interaction. in addition high - order coupled equations governing the evolution of two orthogonal polarization components of the same wave are derived by using multi - dimension derivation expansion method of singular perturbation theory and the dispersion relation. furthermore, a class of optical solitary wave solutions, such as the bright - bright, dark - dark, bright - dark, and combined solitary waves are found under certain parametric conditions
數值研究了源啁啾飛秒孤子間相互作用,提出了抑制該作用的可能方案;用奇異攝動多重尺度導數展開法和色散關系推導了耦合高階非線性薛定諤方程( chnlse ) ,並用行波變換法得到了一系列孤波解析解,分析了它們在光纖中傳輸的必要條件,也討論了它們的穩定性,為實現飛秒光脈沖在光纖中的無畸變傳輸作理論上的探索。First the object contour is translated into a 1 - d contour curve. secondly the curve is smoothed to restrain the noise. the number of peaks of the curve is achieved as well as the areas which contained between adjacent peak - valley, then the latter is followed by discrete fourier transformation ( dft )
首先將目標輪廓轉換成一維輪廓曲線,平滑去噪,然後獲得曲線峰數和輪廓曲線在相鄰峰谷間所含面積,並對後者進行dft變換,提取出具有平移、旋轉、尺度不變性的兩類特徵。Edge detection and contour tracking are very important in computer vision. because the single pixel edges are needed in computer vision, an algorithm of edge detection and contour tracking is proposed using the good local character and multi - scale character of wavelet transform in the dissertation. the fuzzy algorithm is applied to pick the model maximum points, so that the single pixel edge can be obtained
邊緣檢測和輪廓跟蹤在計算機視覺中有著重要的地位,利用小波變換良好的時頻域局部化特性和多尺度特性,針對計算機視覺中需要提取單像素的點線等邊緣的需求,本文提出了一種基於小波變換的邊緣檢測和輪廓跟蹤演算法,通過真正的邊緣點是模的局部極值點這一特點,應用模糊演算法對模極大值點進一步篩選得到單像素級的邊緣,並在邊緣跟蹤時,有效利用原圖像的信息,通過在小鄰域內尋找局部峰值對丟失弱邊緣進行了補償。分享友人