線性反演 的英文怎麼說

中文拼音 [xiànxìngfǎnyǎn]
線性反演 英文
linear inversion
  • 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 ...
  • 反 : Ⅰ名詞1 （方向相背） reverse side 2 （造反） rebellion 3 （指反革命、反動派） counterrevolutionari...
  • 演 : 動詞1 （演變; 演化） develop; evolve 2 （發揮） deduce; elaborate 3 （依照程式練習或計算） drill;...
  • 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...
  1. In this thesis, we study some open problems and conjectures about the linear complementarity problem. it consists of the next three aspects : firstly, we study murthys " open problem whether the augmented matrix is a q0 - matrix for an arbitary square matrix a, provide an affirmable answer to this problem, obtain the augmented matrix of a sufficient matrix is a sufficient matrix and prove the graves algorithm can be used to solve linear complementarity problem with bisymmetry po - matrices ; secondly, we study murthys " conjecture about positive semidefinite matrices and provide some sufficient conditions such that a matrix is a positive semidefinite matrix, we also study pang ' s conjecture, obtain two conditions when r0 - matrices and q - matrices are equivelent and some properties about e0 q - matrices ; lastly, we give a counterexample to prove danao ' s conjecture that if a is a po - matrix, a e " a p1 * is false, point out some mistakes of murthys in [ 20 ], obtain when n = 2 or 3, a e " a p1 *, i. e. the condition of theorem 3. 2 of [ 25 ] that a p0 can be deleted and obtain a e " a is an almost e - matrix if a is a co - matrix or column sufficient matrix

    本文分為三個部分，主要研究了線性互補問題的幾個相關的公開問題以及猜想： （ 1 ）研究了murthy等在[ 2 ]中提出的公開問題，即對任意的矩陣a ，其擴充矩陣是否為q _ 0 -矩陣，給出了肯定的回答，得到充分矩陣的擴充矩陣是充分矩陣，並討論了graves演算法，證明了若a是雙對稱的p _ 0 -矩陣時， lcp （ q ， a ）可由graves演算法給出； （ 2 ）研究了murthy等在[ 6 ]中提出關於半正定矩陣的猜想，給出了半正定矩陣的一些充分條件，並研究了pang ~ -猜想，得到了只r _ 0 -矩陣與q -矩陣的二個等價條件，以及e _ 0 q -矩陣的一些性質； （ 3 ）研究了danao在[ 25 ]中提出的danao猜想，即，若a為p _ 0 -矩陣，則，我們給出了反例證明了此猜想當n 4時不成立，指出了murthy等在[ 20 ]中的一些錯誤，得到n = 2 ， 3時，即[ 25 ]中定理3 . 2中a p _ 0的條件可以去掉。
  2. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  3. We have not some certain appropriable method to solve this problem. more less job has been done on the loess nonlinear model

    本論文用正演和優化相結合的方式對黃土的非線性本構模型中的參數進行反演。
  4. In this paper, taking the measured error sound velocity profile as the initial guess value, the sound beam travel times and beam angle recorded by the multi - beam system and the generalized linear inversion method are used to get a sound velocity profile close to the actual sound velocity profile, and the inversed sound velocity profiles have contributed to the reduction of sound velocity profile error

    摘要以測得的誤差聲速剖面作為初始猜測值，利用多波束記錄到的波束傳播時間和波束角等信息，通過廣義線性反演得到一個與實際聲速剖面比較接近的聲速剖面，這有助於減少聲速剖面的誤差。
  5. As a whole, the result of wave impedances mixed inversion based on genetic algorithms is more satisfactory than that of linear inversion

    總體上，基於遺傳演算法的波阻抗混合反演的結果是令人滿意的，優于僅採用線性反演的反演結果。
  6. 6. video of flow pattern is realized with the linearity back projection ( lbp ) arithmetic. 7

    編制基於線性反投影演算法（ lbp ）的成像程序，實現流型的可視化。
  7. In this paper, the circuit used for testing sheet resistance is designed using single chip processor. additionally, we have expressed van der pauw function as a polynomial form through local and global reversal development by using the normalized polynomial match, being convenient not only for programming, but also for sheet resistance testing when using van der pauw and rymaszewski methods

    本文還利用單片機系統設計了薄層電阻測試電路，對于程序中用到的范德堡隱函數，利用非線性反演和規范化擬合的方法推導出其多項式顯函數形式。這不僅給對我們編寫程序提供了方便，也為使用范德堡法和rymaszewski法測量薄層電阻提供了便利。
  8. 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。
  9. In this paper, we discuss a kind of filter generator whose filter functions have less input bits than the degree of the linear feedback shift register ( lfsr ). by analyzing the structure of the filter generator and its equivalent system, we give out a conditional search algorithm ( csa ) to attack this kind of filter generators

    針對濾波函數f （ x ）的輸入比特數m少於線性反饋移位寄存器級數n的濾波生成器，本文通過分析其等價的組合生成器的結構，以及不同節拍上驅動序列的各個符號之間的制約關系，給出了廣義解序列的概念，並提出了類似遍歷二叉樹的條件搜索演算法csa ，用於攻擊該類特殊的濾波序列。
  10. Genetic algorithm and multi - grid technique applied to two - step linear inversion method

    遺傳演算法和多重網格在兩步線性反演中的應用
  11. This paper gained correlation conclusion about linear inversion pass through large numbers of test calculates, put emphasis upon the discussion of run parameters " acquired value extent about this algorithm is applied to wave impedance, gained the reference acquired value extent of run parameters

    通過大量的試算，給出了線性反演的相關結論，重點討論了採用本文編制的遺傳演算法用於波阻抗反演的運行參數的取值范圍，並由試算結果給出了運行參數的參考取值范圍。
  12. The non - linear inversion methods are developed to overcome the difficulties met when the linear inversion methods are used in the geophysical inversion problems. this paper presents the simulated annealing is hopeful for the inversion problem of resistivity map reconstruction. due to the slow speed caused by the global searching, so for, the method is limited in the processing the 1 - d model

    為了克服像傳統線性反演方法中解易陷入局部極小的不足，本文採用了模擬退火這種非線性方法實現了高密度電法一維反演，初步取得到較好反演結果，但由於它隨機搜索全局解空間，計算量非常大，因此目前主要應用於一維地電結構的反演。
  13. On the basis of displacement - time series of the slope, a nonlinear dynamic model is set up according to backus generalized linear inversion theory in this paper. due to the equivalence beween autonomous gradient system and catastrophe model, a standard cusp catastrophe model can be obtained through variable substitution. the method is used in analysis of displacement data of huangci landslide and wolongsi landslide and in understanding how slopes evolve before sliding. the result shows that the nonlinear dynamic model can make satisfactory prediction result. is it most important that there is a sudden fall of d, which indicates the occurrence of catastrophe ( when d = 0 )

    研究表明，滑坡變形失穩過程具有混沌和分維特性，可以用分形理論來研究滑坡預測問題，基於對任一連續函數，至少在較小的鄰域內可以用多項式任意逼近的數學理論，運用改進的backus廣義線性反演理論，以斜坡位移時間序列為基礎，反演了斜坡演化的非線性動力學模型。並利用自治梯度系統與突變模型的等價性，通過變量代換得到標準的尖點突變模型。
  14. With analogizing the evolution process of atomic transition from excited states to ground state, we proposed a novel non - linear optimization algorithm for geophysical inverse problem, called as simulated atomic transition algorithm ( sata )

    在此基礎上，模擬了物理學中原子從激發態向基態躍遷的物理過程，建立了一種與原子躍遷過程相對應的非線性隨機躍遷數學模型和模型解躍遷搜索準則，導出了適用於一般地球物理資料的模擬原子躍遷的非線性反演演算法。
  15. The result of a discussion about the statistical distribution shows there are different distribution forms between the data errors and estimated parameters in non - linearity inversion. the precision of estimated bottom sound speed is well than the estimated bottom density. although there is a same data errors distribution in perturbative inversion, the distribution of each inverted eof coefficient is different

    統計誤差分佈的討論結果顯示：在非線性反演方法中，數據空間誤差分佈與參數空間誤差分佈不相同，這種匹配方法估計的海底聲速的準確性好於對密度估計的準確性；在擾動反演演算法中，相同的數據誤差分佈條件下，反演的eof各項系數誤差分佈不同。
  16. Then we focus on decision feedback equalization ( dfe ) algorithm which is widely used in mimo signal detection. subsequently, a minimum mean squared error ( mmse ) detector based on wl detection combined with the decision feedback strategy for ca - mimo is derived. meanwhile, the issue that how to use wl detection in da - mimo system is discussed and a solved project is also presented

    本文第四章在介紹了寬線性檢測技術的基礎知識之後，著重針對mimo信號檢測演算法中使用廣泛的反饋判決檢測演算法，提出了一種基於最小均方誤差準則的寬線性反饋判決集中式mimo信號檢測演算法;同時，結合第三章的內容，對分佈mimo信號如何採用寬線性檢測提出了一套解決方案，通過計算機模擬，給出了幾種分佈mimo檢測演算法的性能;結果表明，在採用最優檢測順序的情況下，兩
  17. In inverse problem of ert, the linear back projection algorithm based on sensitivity field is used to reconstruct the qualitative image. assume that the change of conductance is slight, so the sensitivity can be approximately

    在電阻層析成像的成像演算法方面，論文中使用了基於敏感場的線性反投影演算法，假設電導率分佈的變化不是很大，則場內敏感場系數的分佈可近似的認為不變，這樣就可利用敏感場矩陣直接求取多幅圖像。
  18. The second is blind equalization algorithm based on bili near recurrent neural network. this algorithm adopt the bilinear recurrent neural network and design a new transmission function and cost function. through computer simulation, all proposed algorithm have better convergence performance

    第二類是基於反饋神經網路（ rnn ）的盲均衡演算法，此類演算法使用了一種新型的雙線性反饋神經網路（ blrnn ） ，並將這種網路結構擴展到了復數域內，然後依據盲均衡的特點為網路設計了傳輸函數和代價函數。
  19. Comprehensive well and geological constrained seismic inversion - comprehensive constrained inversion ( cci ), is based on nonlinear inversion techniques. it makes full use of detailed vertical resolution of well data and horizontal dense sampling of seismic data. according to geological theory, it inverts lithological profile in multi - wells and complex geological condition. at present, there are no perfect mathematical methods to solve nonlinear equations

    地震資料與測井資料的綜合約束反演是在非線性反演的基礎上，充分利用測井資料詳細的垂直分辨能力和地震資料地面上采樣點密集均勻分佈的特點，把這兩種資料結合起來，取長補短，以地質理論為依據，針對多井及構造復雜的地質條件，反演出井以外的巖性剖面。
  20. Meanwhile, the fitted curves of analytical solutions are compared with the field measured ones, and it is proved that the theoretical curves are in good agreement with that obtained from the field measurement

    同時將本文解應用於樁基動測曲線分析工作中，通過與工程實測曲線的反演擬合和正演分析，檢驗了本文理論解的實用性。
分享友人
分享到 Line

分享到臉書