數值插值法 的英文怎麼說
中文拼音 [shǔzhíchāzhífǎ]
數值插值法
英文
numerical interpolation method-
Lastly, we change the unequal time distance wheel speed to equal time distance wheel speed. according to the model of torsional vibrations, we introduce the spectral estimation method to design tpms. when the tirepressure is leaking, the peakvalue of the periodogram of the wheel speed will move to the real axis
4 .利用核函數,提出了基於epanechnikov核函數的插值方法將採得的不等間隔的輪速信號轉換成等間隔的輪速信號。利用輪胎滾動方向的振動性質提出了譜估計法。The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field
Allen )等人提出的統計方法,用垂向上砂體密度的界限來推測砂體側向連通情況;根據每口井的測井解釋資料,利用克里金插值法對外間進行插值,得到了一組反映儲層特徵在平面上變化的參數,包括儲層厚度分佈、孔隙度以及滲透率,並且成圖;利用變差函數法,通過球狀函數模擬,確定儲層優勢滲透率方向:根據流動單元法,以儲能系數、容積系數以及凈毛厚度比三個參數為依據,通過聚類分析方法進行流動單元劃分,並且按照參數特徵將其分為五類,統計各砂層有利流動單元區塊。The assimilation scheme uses a blending approach based on optimal linear interpolation. the improvement is 45 % for the phase - lag of s2 after assimilating the altimetric data of the crossover points, while the correction for the diurnal constituents is not so good as for semidiurnal constituents
利用基於最優插值法的混合法將交叉點的調和常數同化到動力模式中,同化后s _ 2分潮的遲角精度改進最大,可以改進45 ,結果顯示高度計資料的分析結果對模式結果的精度影響很大。A new nn is presented and put into modeling work for the test. the empirical test indicates this kind of nn can perform excellent than traditional modeling methods such as linear interpolation, cubic spline interpolation
把這種網路用在智能金免疫層析試條定量測試系統數學模型的建立中,將其結果與傳統插值法如線性插值、三次樣條插值法的建模結果相比,效果較好。At first, this paper presents two - demensional quartic convolution interpolation to smooth digital terrain. it is acquired from that it makes use of that the interpolation function of cubic spline interpolation has a continuous third derivative on the base of two - dementional cubic convolution interpolation. two - demensional quartic convolution interpolation is more precise than two - dementional cubic convolution and simpler than cubic spline interpolation in calculation. it can satisfy real - time route planning of ucav
首先,在軌跡規劃前需要對數字地圖進行平滑處理,本文提出了二維四次卷積插值法。它在二維三次卷積插值法的基礎上利用三次樣條插值法的插值函數具有三階連續導數的性質而得來的。So we can complete the kinematic analysis of the cam mechanism by the analysis of the corresponding assur - group. based on the method, this paper deals with plannar disc - cam mechanisms with different types of followers. the main points of this paper are as follows
基於桿組的分析方法,本文圍繞各種類型從動件的平面盤形凸輪機構做了如下工作: 1 .根據凸輪機構的檢測數據利用三次周期樣條函數插值法對凸輪實際廓線進行曲線擬合。This paper mainly studied the influence of asynchronous problem on statistical line losses between power supply and consumption, provided three solving methods, proportional coefficient method of power supply, curvilinear imitation method of power consumption and curvilinear interposition method of power consumption, and got the real synchronous loss rates of distribution network for the first time
本文重點研究了供售電不同期問題對統計線損的影響,提出了供電比例系數法、售電曲線擬合法、售電曲線插值法三種解決辦法,第一次得到了較真實意義上的同期統計線損率。Linear interpolation method for processing the test data of five - hole probes
五孔探針實驗數據處理的線性插值法Points interpolation method ( pim ) which is a new meshless method reduces the complexities in calculating the shape function of other meshless methods, and the hardness in dealing with the essential boundary conditions etc
摘要點插值法是一種新型的無網格法,它改善了其他無網格方法中形函數計算復雜、本質邊界條件處理困難等問題。This article introduces the designs of commonly used bellows tube and the optimization designs of bellows tube aim at economizing the material cost. some parameters acquired from experience curve can be borked out by lagrange linearity insert method
本文介紹了波紋管常用波形的設計和以節約材料成本為目的對波形結構進行的優化設計,對設計公式中一些由經驗曲線獲得的參數,採用拉格朗日線性插值法進行求解。We propose a chaos - based generation of the random ppm - ps signals, design and implement a generator of the ppm - ps signals. we introduce an if sampling technique and simulate the performances of digital demodulation techniques of using hilbert filters, sine filters, bessel filters and poly - phase filters. the poly - phase filtering method can achieve the higher mirror - frequency rejection ratio by using the low order filters
介紹了中頻采樣技術,並對希爾伯特濾波法、辛格內插函數修正、貝賽爾函數插值法及多相濾波法等數字解調演算法進行了計算機模擬和性能比較,指出多相濾波法能以較低的階數實現較高的鏡頻抑制比。In the wavefield - spread area, we uses the phase - shift operator as constraint in frequency - wavenumber field, while beyond the wavefield - spread data, we uses zero point at the ends of phase - shift operator as constraint to take discrete smooth interpolation so that the resulted operator satisfies two - order smooth and the length of this operator can be selected shorter in frequency - space field
通過離散光滑插值法,在頻率波數域中,以傳播區內的相移運算元為約束,在傳播區外的運算元兩端處以零點為約束,進行離散光滑插值,使得所得運算元具有二階光滑可導性,則其對應的頻率空間域中的運算元就可以取得很短。4. the local interpolation methodd above are extended from order 4 to the case of arbitrary order, the existence for singular piecewise function of arbitrary order is proved, and a unite interpolation formula for odd and even - order is given, which develop and perfect the nuat b - spline curve and surface interpolation methods
4 .將四階混合插值法推廣到任意階情形,給出任意階奇異分段函數存在性的證明,並得到了奇數階和偶數階樣條奇異混合插值公式的統一表達式,發展和完善了nuatb樣條插值方法和奇異混合思想When a < 0, move / v to the right side and look upon it as source term. the calculation result shows that the r indirect method can compute deeper than k indirect method in subcritical system. but the y indirect method has no inner iteration, it ca n ' t ensure the convergence of neutron flux and it will also fail in deep subcritical
作參數的嘗試插值法把/分情況處理,當由插值法得到的新值大於零時,仍將/放在輸運方程左端作為吸收項,若0 ,則將其移至右端作為源項處理計算表明,該方法比作參數的嘗試插值法算得的次臨界度深一些,但由於沒有內迭代過程,不能保證通量收斂,在深次臨界情形下同樣會失效。For the american put option which does not have analytical solution, several new numerical algorithms are presented on its pricing, each of them is given finite difference method and finite element method on variables based on individual underlying variable and two underlying variable respectively. for finite element method, bilinear interpolation of rectangular sectioning is adopted
另外,對不存在解析解的美式看跌期權的定價給出了幾種新的數值演算法,分別對基於單個標的變量和兩個標的變量的美式看跌期權定價給出了有限差分法和有限元法,有限元法採用了矩形剖分的雙線性插值。This method can make the crp depth imaging and the interpolation of prestack data he completed simultaneously, and also it better resolve the problems of 20 data process such as incorrect imaging, difficulty of aide wave process, disclosure between inlines and crosslines
本方法能使共反射點偏移成像與疊前數據插值一步完成,較好地解決二維資料處理中的成像點不能準確歸位、側面反射波難處理、主測線與聯絡線不閉合等問題。This paper clarifies image collect automatically process of multi - channels, and pre - processing process of original image in order to noise reduction. in image processing, method as follows will be introduced in this paper : a method combining image threshold iterative segmentation with threshold interpolation, edge detection operator sobel and log, edge linking method using delation operator based on mathematical morphology, using boundary tracking and projection method in edge distill process. through this method, measurement of wheelset will be met precision demand
本文闡明了圖像的分通道自動採集過程,以及對採集到的原始圖像進行預處理過程,達到圖像去噪聲的目標,本課題採用了閾值分割中迭代閾值和閾值插值相結合的方法, sobel運算元、 log運算元邊緣檢測演算法,基於數學形態學的膨脹運運算元進行邊緣斷點連接以及目標提取中的投影法和邊緣跟蹤方法,使得提取輪對圖像邊緣達到測量精度的要求。For h - d scattered data, local weighted least - squares fitting ( llsf ) methods for approximation and interpolation are respectively put forward and the latter is got by adjusting weight function in the former case, and the interpolating method is also used to construct hyper - surface models with the radial function. the problem of choosing weight function during local least square approximation is discussed and two good weight functions are given : one with a parameter, the other with no parameter. based on them
二、對非規則區域上分佈的h - d數據,提出了散亂數據超曲面擬合的局部最小二乘逼近法。通過對局部最小二乘逼近的權因子作適當的改進,得到了擬合精度較高的局部最小二乘插值法,還用徑向基函數構造了超曲面模型,找到了一種性質好帶參數的權函數以及另一種有著普遍精度性質的不含參數的權函數,獲得了較好的逼近效果。Date integration technique was used to analyze the relationship between monthly mean daily clearness index kt and s, the ration of monthly mean daily sunshine duration to possible sunshine duration as well as that of monthly mean daily direct transmittance kb. based on data from 1957 to 2000, a series of kt and kb estimation models with different temporal and spatial scales were established. furthermore, the distributions of kt and kb from january to december in chongqing were mapped by kriging interpolation for long - term mean
大氣輻射過程模擬通過晴空指數、直接透射率等綜合描述大氣對太陽輻射影響的參數,採用重慶市及其周邊地區1957 - 2000年日射站觀測的月輻射資料和常規月氣象觀測資料,利用數據集群技術,建立了不同時空尺度的太陽輻射估算模式;使用kriging插值法,完成了重慶市氣候平均狀況下各月晴空指數、直接透射率的空間制圖。A moving least - square approach is employed to construct the trial function. the mlpg approach for radiative transfer is based on the discrete ordinate equations. particular test cases for radiative heat transfer are examined to check the method
2 .分別採用徑向點插值法和移動最小二乘近似構造試函數,建立了兩種不同的輻射傳遞方程求解的最小二乘配點無網格法。分享友人