piecewise analysis 中文意思是什麼
piecewise analysis
解釋
分段分析-
Secondly, the effort is made to develope new type of transition element for multi - scale fatigue damage simulaton of long - span structures for the transition between elements for the hot spot stress analysis and the structural element. the linear and piecewise linear interplotion function for displacement interplotion are used for the transition element formulation according to the displacement compatibility requirement between element interfaces
在綜合已有的構造過渡單元模型關于位移插值形式的基礎上，通過採用分段線性位移插值模式和線性位移插值方式，並在位移模式中引入非協調位移模式，強迫構造單元通過分片試驗，構造了一種用於疏密網格單元連接過渡單元。 -
The frontier production function, a parametric function of any form, can be estimated by sample data. this study shows that the projected panel data, which is the inputs and relative exponential maximum output data set, obtained by conducting the data envelopment analysis with the log inputs and output, is approximately piecewise cobb - douglas under a certain assumption
根據前沿生產函數的定義，本文利用投入產出的對數形式和數據包絡分析方法求出了相對指數最大產出，並證明了在一定的條件之下，這種數據結構即所謂的支撐面板數據具有分段近似cobb - douglas性。 -
The technology of spectral recognition is key to spectral quapitative analysis. for quickly recognising spectral signal, the method of spectral recognition based on based on multiple features and neural network is adopted. the model transfer is a basic method to solve universal and comparable performance of spectrometers. the method based on support vector machine and piecewise direct standardization is put forward for solve the question of nonlinearity 、 small - sample
深入探討了光譜信號的識別問題，對光譜識別的基本方法和光譜信號的特徵提取方法進行了相應的分析研究，提出了採用多特徵和神經網路構建光譜識別框架的方法，以實現光譜信號的快速正確地識別。 -
Every functional model is designed in detail. the method based on uniformity design 、 wavelet analysis 、 cross validation and support vector machine is put forward for solve the question of nonlinearity 、 small - sample in the spectral multicomponent analysis. the method of selecting good wavelength data for building analysis model is an effective improving analysis precision. to quicken convergence, the piecewise wavelength selection method based on particle swarm optimization algorithm is established
深入研究了光譜信號的多組分測定問題，以高效、實用化為目標，從實驗設計到演算法選擇進行了較為詳細地分析和論述，提出了基於均勻設計、小波變換和支持向量機的組合式演算法和策略，解決了在光譜多組分測量中遇到的非線性校正問題。 -
2. nonlinear local project noise reduction is studied on the basis of principal components analysis ( pca ), the principle of this noise reduction is to approximate piecewise and linearly the dynamics and to process local principal components analysis
在主元分析（ principalcomponentsanalysis ， pca ）的基礎上，研究了非線性局部投影濾波方法，該方法的原理是在相空間分段線性逼近動力系統並進行局部主元分析。
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