linear inversion 中文意思是什麼

linear inversion 解釋
線性反演
  • linear : adj. 1. 線的,直線的。2. 長度的。3. 【數學】一次的,線性的。4. 【動、植】線狀的;細長的。5. 由線條組成的,以線條為主的,強調線條的。
  • inversion : n 1 倒轉,反轉,逆轉;倒置,轉換。2 倒置物,顛倒現象。3 【語法】倒裝法,語序倒置法;(語言的)捲...
  1. 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。
  2. Macroscale inversion analysis of measured displacements in tunnel, slope and dam is studied detailedly according to inverse formulation method and direct formulation method. aimed at inverse problem for identifying original geostress parameters and stru - ture modulus of rock, linear hypothesis for shear stress field of slope is proposed. structural model of transversely isotropic medium is constructed

    針對逆源(初始地應力)和逆介質(巖層結構模量)的識別問題,提出了地層剪應力場的線性假定,構造了橫觀各向同性體的結構性計算模型,應用了逆定式化有限元反演方法,快速地搜索到了被識別參數的最優值。
  3. 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。
  4. The velocity, density and especially the anisotropic parameter which is important to the study of fractured formation can be achieved by the generalized linear inversion based on the ava inversion equations

    用此反演方程對ti介質進行多波ava參數反演,不但可以求出地層速度及密度,還能得到各向異性系數,該參數對裂隙型地層研究具有重要意義。
  5. Second, through employing the 3 - d finite element model and the dual objective function inversion method developed in this paper, and taking the measured fundamental frequency of system and the structure response to a harmonic excitation at the top of structure in field as the reversion objectives, the linear material parameter inversion is performed in ansys by using ansys parameter design language ( apdl )

    第二,採用三維實體有限元模型和本文提出的雙目標函數反演方法,把現場測試得到的系統基頻和頂部激振下實測的結構動力響應作為反演目標,利用ansys參數設計語言( apdl ) ,在ansys軟體中實現了系統材料線性參數的反演。
  6. The non - linear optimum inversion technique has achieved a fine result in predicting the distribution of the oil - bearing formation of permo - caboniferous in the south hexiwu structural zone, and provided the important data for promoting the rolling exploration in the district

    應用非線性最優化反演技術預測河西務南部石炭二疊系的含油儲層分佈取得了良好的效果,為本區滾動勘探的突破提供了有力的決策依據。
  7. 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。
  8. The sirt inversion operator can be applied to solve the large - scale sparse linear equation and velocity tomographic inversion can be performed based on direct arrival traveltime and accuracy could be 3 meters

    研究成功的sirt反演演算法可用於求解大型稀疏超定線性方程組,根據直達波旅行時進行速度層析反演,其精度可達到3米。
  9. 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
  10. 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。
  11. 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。
  12. 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。
  13. The non - linear optimum inversion technique is based on the seismic information and the constraints from structural model and logging information and the technique can extract optimum prediction of the lateral variety of reservoir

    摘要非線性最優化反演技術是基於地震信息以及構造模型和測井信息形成的約束,採用最優化方法進行反演來最大限度地推斷儲層橫向變化。
  14. Our method is based on non - linear convolution model and uses artificial nervous net algorithm and simulated annealing algorithm, introducing the acoustic impedance as condition of constrained solution to avoid the hypothesis of wavelet or reflection coefficient in common seismic inversion, and adopting the control of fine seismic interpretation model in extrapolation

    反演方法以非線性褶積模型為基礎,引入井旁聲阻抗作為解的適定性的約束條件,避開一般地震反演對地震子波及反射系數的假設。反演外推採用精細地震解釋模型控制。演算法上,引用人工神經網路和模擬退火演算法。
  15. This paper uses multi - layer feedforward artificial neural networks ( abbr. mlf nns ) to approximate the nonlinear dynamic inversion on the basis of analyzing principle and characteristics of nonlinear dynamic inversion and neural networks. the pseudo - linear system has been synthesized by classic pid control and self - adaptive control separately

    將神經網路與非線性動態逆相結合,利用神經網路對系統的逆模型進行建模,對實現的偽線性系統分別設計pid控制和自適應控制兩種方案進行綜合。
  16. ( 2 ) in order to overcome the difficulties caused by the non - minimum phase, an optimal ilc scheme with current feedback is presented for linear non - minimum phase plants based on noncausal stable inversion. the sufficient condition to ensure the convergence of this scheme is obtained and the utility mode of using the noncausal algorithm is given to fit the practical application

    2 、針對迭代學習控制在非最小相位系統上應用效果差的缺點,根據非因果的穩定逆理論,提出了一種基於穩定逆的最優開閉環綜合迭代學習控制,分析了學習律的收斂性並給出了這種非因果的學習律在實際應用中的運用方式。
  17. The model and the single period objective function inversion method can be used for linear physical and mechanical parameters inversion of the other dynamic soil - box foundation - frame structure interaction systems under top harmonic excitation

    該計算模型和單周期目標函數反演方法,可用於其他土-箱型基礎-框架結構動力相互作用系統在簡諧激振力下線性物理力學參數的反演。
  18. Third, through employing the 2 - d lumped mass model and the single period objective function inversion method developed in this paper, and taking the measured structure response to a harmonic excitation at the top of structure in field as the reversion objectives, the linear physical and mechanical parameter inversion is performed in ansys by using apdl

    第三,採用二維集中質量模型和本文提出的單周期目標函數反演方法,把頂部激振下實測的結構動力響應作為反演目標,利用apdl語言,在ansys軟體中實現了系統線性物理力學參數的反演。
  19. According to the non - linear nature of geophysics problems, the multiwave ava inversion by use of genetic algorithms was discussed in this paper. there are some improvement during encode and mutation process in order to improve the efficiency

    針對地球物理問題具有非線性的特點,本文對遺傳演算法進行多波ava反演進行了探討,為了提高程序運行效率,在編碼方法和變異過程中均作了一定的改進。
  20. In this paper, author consider the combination of theory with practice especially. in the process of study, the avo method technology and technology of seismic data process and the study of interpretation were combined. on the basis of extensive absorbing the advance technology inside and outside, the theory of generalized linear inversion avo and non - linear avo inversion and weighted stacking technology were discussed detailed to the characteristic of heterogeneous reservoir. then, the forward and inversion of those methods were performed

    在本文的研究中, avo方法技術與地震資料處理及解釋研究得到了緊密地結合,在廣泛吸取國內外avo油氣檢測先進技術的基礎上,針對非均質氣藏特點的需要,文章詳細論述了廣義線性avo反演方法和非線性avo反演方法、 avo反演中的加權疊加技術的方法原理,並對上述方法分別進行了詳細的模型的正演和反演的研究。
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