inversion density 中文意思是什麼

inversion density 解釋
反轉密度
  • 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...
  • density : n. 1. 稠密;濃厚。2. 【物理學】濃度;密度;比重。3. 愚鈍,昏庸。
  1. Using three - dimensional tomographic imaging results of 2 ? 2 ? grid s wave velocity and 15 ' 15 ' grid average gravity anomaly in north china, this paper adopted inversion with constrained least squares method and, as a result, obtained density distribution results of six bedding surfaces in lithosphere of north china

    摘要利用華北地區的2 ? 2 ?網格s波速度三維層析成像結果和15 ? 15 ?的網格平均布格重力異常,採用約束最小二乘方法反演,得到了華北地區巖石圈內6個層面上的密度分佈結果。
  2. Special features for copying inputting originals auto paper select, auto scaling select, vertical horizontal independent anemographic magnification, final scale adjustment, copy density adjustment 7 degrees, scan start position adjustment, and copy position adjustment, top bottom bottom margin setting, mirror image, trimming, negative positive inversion, header, reference input, rotate image, sharpness, contrast, additional copy, scanning speed change

    自動用紙選擇,自動倍率選擇,縱向或橫向獨立縮放,倍率微調,復印濃度調整,掃描起始位置選擇,復印位置選擇,前後端空白選擇,消除框線,鏡像,正負片反轉,頁眉,參照列印,畫面偏轉,明兩度,對比度,追加復印,掃描速度選擇,電子分頁可選配置
  3. By comparing and analyzing the advantages and disadvantages of three kinds of voltage reference circuits, type of current density ratio compensation 、 weak inversion type and type of poly gate work function, a cascode structure of type of current density ratio compensation is chosen to form the core of voltage reference circuit designed in this paper. applying the negative feedback technology, an output buffer and multiply by - 2 - circuits are designed, which improve the current driving capability

    然後通過比較和分析電流密度比補償型、弱反型工作型和多晶硅柵功函數差型三種帶隙電壓基準源電路結構的優缺點,確定了電流密度比補償型共源共柵結構作為本設計核心電路結構,運用負反饋技術設計了基準輸出緩沖電路、輸出電壓倍乘電路,改善了核心電路的帶負載能力和電流驅動能力。
  4. We also derived the relationship between the radial local density distribution and the observed line integral density distribution by fourier integral transform. on this basis, the density inversion calculation is realized through fft method and is independent of abel inversion

    另外,本文還著重推導了線積分密度分佈和徑向體密度分佈之間的傅立葉積分變換關系,並利用快速傅立葉變換實現了完全拋開abel反演公式的密度反演計算。
  5. We obtained holographic interferogram, from which we got the space distribution of plasma electron density by abel inversion

    由全息干涉條紋圖樣求解等離子體電子密度空間分佈要用到abel變換。
  6. 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。
  7. Inversion of fracture density and azimuth using p - wave seismic data

    利用縱波資料反演裂縫發育密度和方向
  8. In this paper, the subband structure in the inversion layer is constructed by solving the self - consistent schr ? dinger equation, thus the carrier effective mass and scattering rate can be obtained. furthermore, taking account for the carrier density in each subband, we establish carrier mobility model in strained - si mosfet

    本文通過求解自洽薛定諤方程,確定了應變硅mosfet反型層的子能帶結構,在此基礎上經進一步計算得到子能帶內載流子的有效質量和散射幾率,綜合考慮各子能帶上的載流子的濃度分佈,建立了應變硅mosfet載流子遷移率的解析模型。
  9. The analyses given in this paper to quasi - three - level for 946 nm laser are complete. the relation between 946 nm laser transmission and optimal crystal length has been derived from the rate equations describing the population inversion and the photon density in the laser cavity in the steady - state case. the minimal claims to coating have been given on the base of contrasting 946 nm transmission with 1064 nm transmission in the condition of different cavity losses and how the pump beam radius in the laser crystal and optimal crystal length affect the laser threshold and output power of 946 nm laser has been given as well

    對產生946nm譜線的準三能級結構給出了較為完整的分析,利用激光諧振腔處于穩態時的速率方程,導出了準三能級nd : yag946nm起振時,透射損耗與最佳激光晶體長度的關系,在與1064nm透射損耗相比較的基礎上,給出了不同的腔損耗情況下的最低鍍膜要求,並且給出了激光閾值、輸出功率和最佳激光晶體長度及泵光光斑大小的關系,這為設計室溫下高效運轉的946nm激光器的提供了理論基礎,這種分析方法對研究此類低增益,準三能級或三能級激光系統輸出特性有借鑒意義。
  10. A perturbative shallow water tomography scheme based on the modal wave number inversion technique is considered in this paper. and it could estimate the bottom sound speed and density

    論文提出了一種基於簡正波波數的擾動反演淺海聲層析方法,該方法能夠反演海底聲速和密度。
  11. 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。
  12. Firstly the phase is extracted from interferogram by filtering and displacing frequency spectrum. then the wavefront and the line integral density are recovered by using fft or polynomial fitting method. lastly the radial local density distribution is calculated from the fitting curve of line integral density by the abel inversion

    首先對干涉圖進行頻譜濾波,用頻譜移頻法從干涉圖中提取相位,然後用快速傅立葉變換或多項式擬合實現波面重建,計算線積分密度,再利用abel積分變換從線積分密度的擬合曲線中反演徑向體密度分佈。
  13. The intracavity photon density and initial population inversion density are assumed to be gaussian distributions instead of plan wave assumption, based on this assumption, the rate equations of diode - pumped intracavity - frequency - doubled passively q - switched laser are modified. through solving these space - dependent rate equations numerically, the results under different assumption are compared. 5

    將腔內光子密度和初始反轉粒子數的平面波近似修正為高斯分佈近似,獨立地導出描述二極體泵浦內腔倍頻-被動調q激光器的速率方程,並通過數值求解該方程比較了兩種近似下脈沖特性的不同; 5 .實驗驗證了2中提出的實驗方案,並對實驗結果進行了分析。
  14. A model of the sic pn junctions irradiated by neutron is presented. the effects of radiation induced oxide trapped charge and sic / si02 interface state density on inversion layer mobility is studied systematically

    在輻照的電離效應方面,研究了輻照在sicmos氧化層中引入的陷阱電荷對mos溝道反型層遷移率的影響。
  15. The study shows that coulomb scattering becomes more important at low transverse - electric field and both the density and the distribution of charged - centers play an important role in el ectron transport in sic inversion layers. the radiation response and electric characteristics of 6h - sic mos structure is studied with experiment for the first time

    在實驗上首次對6h sicmos結構的電特性及其輻照引起的電參數退化進行了研究,結果說明:在氧化層電場較高時是fowler nordheim隧穿電流決定著sicmos結構的漏電流。
  16. The fft inversion method is fit for reconstruction of density distribution with sharp peaks and complex shape. the results of numerical simulations of this method show high inversion accuracy and fast calculation speed

    快速傅立葉變換法適合於重建具有陡峭波峰和復雜形狀的等離子體密度分佈,數值模擬的結果表明該方法具有計算精度高和速度快的特點。
  17. The inversion results indicate the following phenomena : the lithosphere density beneath north china area is extremely inhomogeneous, which is the reflection of the feature of violent tectonic movement ; the density distribution is coherent with tectonic ; the density is different in different tectonic units ; there are low density regions in the crust ; the strong earthquakes in north china region mainly occur at this depth

    反演結果表明:華北地區巖石圈密度極不均勻,反映了區內強烈的構造活動特徵;層內密度分佈與大地構造有明顯的相關性,不同的構造單元存在著密度差異,斷裂帶表現為密度異常梯級帶;殼內存在著低密度層,華北地區地震的震源深度主要發生在這一深度上,可能與之相關。
  18. In the calculating example of model inversion, the proper sampling interval and ' trend - band ' method were selected and inversion errors of the linear density and axes depth of cylinder were close to 0. 25 % and 3. 8 %, respectively

    在模型反演算例中,選擇了適當的采樣間隔和「趨勢鑲邊」法,反演的圓柱體線密度和軸心深度誤差分別為0 . 25 %和3 . 8 % 。
  19. Abstract : this paper has given a thorough investigation into theapplication of bp neural network to gravitational density interface inversion as well as the implementation of wavelet theory in potential field decomposition and, on such a basis, analysed and evaluated the prospect of applying wavelet neural network to the inversion of gravitational and magnetic data

    文摘:對bp神經網路在重力密度界面反演以及小波分析在位場分離上的應用進行了深入的研究,進而對小波神經網路在重磁資料反演中的應用前景進行了分析、評價。
  20. The emphasis on the applications of constrained regularization method is the identification of weight density distribution of hanging cable and rotating shaft, inversion of particle size distribution from light scattering data, the reconstruction of the atomatic radial distribution in exafs spec - troscopy

    其中,我們的重點是約束正則化方法在懸索與旋轉桿的重力密度識別、顆粒粒徑分佈的光散射反演、 exafs光譜學中原子徑向分佈的重構等問題中的應用,並同時進行了數值試驗。
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