譜積分 的英文怎麼說
中文拼音 [pǔjīfēn]
譜積分
英文
spectral integral- 譜 : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
- 積 : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 積分 : 1. [數學] integral; integrate; integration 2. [體育] (積累的分數) accumulate points
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The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included
雲中凝結核ccn的數濃度採用超幾何函數表示;雲水向雨水的自動轉換過程採用grabowski ( 1999 )的公式,考慮了雲滴譜的特徵和發展變化對該過程的影響,而不是採用原方案給定閾值的方法描述該過程;對連續碰並方程不再將粒子落速差作為常量提出積分號外,而是直接作為粒子直徑函數在積分號內求解,這樣處理可以迴避使用粒子群的平均落速帶來的誤差;增加了霰和雪、霰和冰晶的碰並微物理過程。Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )
本研究以武裝直升飛機防護裝甲材料為研究對象,採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料,結合其力學性能、掃描電鏡和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面現象,以及材料增強和斷裂機理,並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮破壞響應進行了研究,分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下,材料的變形和微觀損傷機理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。Based on the analytical model of the generalized force spectra of the first mode of typical lattice towers in along - wind direction, simplified empirical formulae to evaluate along - wind dynamic responses of lattice towers under wind load are proposed in this paper
摘要基於格構式塔架順風向一階廣義荷載譜解析模型,提出了格構式塔架順風向風振響應簡化計算公式,這些簡化公式將求格構式塔架順風向風振響應的復雜積分變為簡便的代數運算。The third, after theoretically analyzing, the following practicable methods are put forward : 1 ) automatically pick - up the synchronous information by analyzing the spectrum of intercepted video - leaking information ; 2 ) realizing the phase lock and the electronic image stabilization by integral - projection and differential - positioning ; 3 ) improving the effect of accumulation mean filter and the pectination filter by using electronic image stabilization ; 4 ) automatically adjusting image acquisition parameters by detecting the image entropy, therefore the quality acquired image is improved ; 5 ) to realize the quantitative test of a leaking extent, a standard test picture was designed. finally, a proto type for leaking information processing based on our techniques mentioned above and the virtual instrument principle was designed and tested
在理論分析的基礎上,提出了以下的實用技術: 1 )用譜分析方法從截獲的信息中自動提取同步信息; 2 )用積分投影、微分定位的方法進行相位檢測,實現可靠的鎖相和電子穩像; 3 )將電子穩像技術用於重加濾波和梳狀濾波的濾波方法,改進了濾波效果; 4 )通過檢測圖像信息熵實現圖像採集參數的自動調整,改進了圖像採集的質量; 5 )設計了用於儀器定標的標準測試圖,可以對泄漏信息進行定量檢測。Analysis of the electromagnetic properties of the radome by plane wave spectrum method based on the gauss integration
基於高斯積分的平面波譜法分析天線罩電性能To the influence of the plateau terrain, the impact of the elevation and the roughness of terrain to every energy component out and incoming are study, and basing the soil spectrum model proposed above, a new radiative transfer model of terrain area was put forwarded in which the soil water content, lai, terrain roughness and elevation were considered synchronously, and incoming scatter light was integral with the solid angle of semi - globe space defined by the slope of the pixel, so scattering lights of terrain and the sky are properly considered, but the operation is still within the acceptable range
地形與反射率的關系是本文研究的一個重點。本文對崎嶇山地象元的各入射光和反(散)射光分量進行了深入分析,在所提出的濕潤土壤光譜模型和植被冠層模型的基礎之上進一步提出了新的適合青藏高原的山地輻射傳輸模型。該模型同時考慮了土壤含水量、植被覆蓋( lai ) 、地形起伏和海拔高度的影響,並以象元坡面定義的半球空間立體角對環境入射光進行積分,使周圍地形和天空散射光均得到適當考慮,計算量又在可接受范圍內。Treatment of the spinel limn2o4 with aqueous acid produces - mno2. x - ray diffraction and atomic absorption spectroscopy show that - mno2 with lattice constant of 0. 806nm preserves the structural framework of the limn2o4 and the conversion of limn2o4 to - mno2 results in some contraction of the lattice
利用limn2o4與稀酸作用制得- mno2 ,經xrd 、原子吸收光譜( aas )分析表明- mno2仍然保持了尖晶石的面心立方點陣,晶胞參數0 . 806nm ; limn2o4經過酸處理、鋰離子脫出后晶胞體積發生了收縮。The spectral analysis of non - orthogonal functions cannot be obtained by orthogonal integration method. only the spectral analysis of some particular non - orthogonal functions can be realized by integral transformation. thus, the concept of reflection matrix is proposed and the mirror symmetry of spectral analysis for non - orthogonal function is revealed. any element functions whose reflection matrix can be obtained possesses its inverse element function. the spectral vector corresponding to an element function possesses its inverse spectral vector corresponding to the inverse element function. by reflection matrix the mapping relation of element function pair and spectral vector pair can be established. spectral analysis of non - orthogonal functions can be obtained with this symmetry by using the integration method as in the case of orthogonal functions, instead of calculating the inverse matrix as usual. so a convenient and practical method for spectral analysis of non - orthogonal functions is offered
非正交函數不能利用正交積分來實現譜分解.僅有某些特殊的非正交函數可以通過積分變換實現譜分解.本文提出了反射陣的概念,揭示了非正交函數譜分析的鏡像對稱性.任何能夠建立起反射陣的元函數存在著它的逆元函數,並且任何基於該元函數的譜向量同時也存在著基於逆元函數的逆譜向量.元函數對與譜向量對通過反射陣建立映射關系.利用這種對稱性,非正交函數可以象正交函數一樣使用積分方法獲得譜分解結果,而不必使用求解逆陣的方法,從而為非正交函數的譜分解提供了便捷、實用的方法For the given sample points, and matrix formed by covariance function with sample points as parameters, when the number of sample points approaches infinite, it is proven that this matrix spectrum will approach the spectral approach theorem for positive - definite kernel of integral equation
對給定的樣本點,由樣本點為變量的協方差函數構成的矩陣,當樣本點個數趨于無窮大時,證明此矩陣譜逼近於積分方程正定核的譜逼近定理。Standard practice for determining neutron fluence, fluence rate, and spectra by radioactivation techniques
用放射性技術測定中子的積分通量積分通量率和中子波譜的標準實施規范By means of fourier integral for analysis of plus mag netic field frequency spectrum. it provides relation of magnetic field with maxim um frequency
利用付立葉積分對脈沖磁場進行頻譜分析,討論了脈沖磁場大小隨所選擇頻率上限之間的關系The mainly work of this project : 1 a mathematic model of the ground clutter for airborne pd radar is established and the clutter power spectrum is calculated by the method of integrating reflected energy between constant doppler loci in range - gate circle
本課題的主要工作包括:一、對機載相控陣雷達的雜波功率譜進行數學建模,採用沿距離門等多普勒線區域積分的方法求解雜波功率譜。The nucleus is the software in the design and realization of virtual instruments. we use the design method of module and use many papers to describe the whole building process of the typical signal generation module, date handling module, date reading and writing module, resultdemonstrate module. as the conclusions, we also offer the panels and the diagrams of virtual signal frequency spectrum analytical instrument, virtual butterworth filter, virtual signal generation instrument, virtual integrator and differentiator regulator and amplitude modulation wave counter modulation instrument
本文採用模塊化設計方法,詳細描述了典型信號生成模塊、數據處理模塊、數據讀取和存儲模塊、顯示模塊等軟體開發的全過程,分析、解決了設計及實現過程中出現的問題,並給出了已實現的虛擬信號頻譜分析儀、虛擬巴特沃斯濾波器、調幅波解調器、虛擬信號發生器、虛擬積分器和微分器等實驗教學用虛擬儀器的前面板圖和程序流程圖。Either the boron nitride ( bn ) thin films with different cubic phase content were deposited on n - type si ( 111 ) and fused silica substrates by radio frequency ( rf ) sputtering using two - stage deposition process. the films were characterized by fourier transform infrared ( ftir ) spectroscopy. the transmittance te ( ) and reflectance re ( ) were obtained as a function of incident photo wavelengths and the thickness of films was measured by alpha - step. the absorption coefficient was calculated from te ( ) and re ( ). the optical band gap ( eg ) of the films was determined by effective medium form of formula containing eg
本文還研究了立方相含量與光學帶隙的關系,在n型si ( 111 )片和熔融石英片上沉積出不同體積分數的立方氮化硼薄膜,薄膜的成分由傅立葉紅外吸收譜標識;用紫外-可見分光光度計測量了沉積在石英片上的bn薄膜的透射光譜te ( )和反射光譜re ( ) ,薄膜的厚度用臺階儀測得。The test samples injected into injection valve are brought into the column by mobile phase ; all ingredients are separated in the column and entered into the tester by order, chromatographic signals of which will be recorded by recorder, integrator or data processing system
注入進樣閥的供試品,由流動相帶入柱內,各成分在柱內被分離,並依次進入檢測器,由記錄儀、積分儀或數據處理系統記錄色譜信號。The photoelectric integrating color measurement instrument can obtain the objective tristimulus values via spectral energy integration of the color to be measured by the chromatic detectors, such as the colorimeter and color - difference meter, which have wide application in industrial practice
摘要光電積分式測色儀器通過色度探測器對被測顏色光譜能量進行積分測量,直接獲得目標的三刺激值,如色度計和色差計等,已被廣泛應用於工業實踐。After that in chapter four, a axisymmetric hybrid stress finite element for piezoelectric media is presented on the optimization condition for the coupling of electrical and elasticity. it ' s practicable and rational in the numerical example. in the fifth chapter, we study the p - version hybrid stress fem
本文還研究了基於升階譜的雜交應力元方法,建立了一系列p 5的高階雜交應力單元列式,數值計算結果顯示採用正確的高斯積分,將使得本方法切實可行,同時兼有升階譜和雜交元的優勢。The contrast is higher, the amount of reflect becomes more ; and the sedimet is deeper, the shaking duration becomes longer. so. as the contrast higher and the depth deeper, more waves converge on the basin, more waves interfere with each other, the duration is longer, the amplitude of displacement or accelerate is larger, and the fourier responce spectra contain more components
所以,基巖與沉積層的剪切波速比越大,沉積層的深度越大,波就越容易聚集在盆地中,中國地震局工程力學研究所碩士論文波與波之間的干涉機會就越多,盆地的振動時間就越長,沉積層的位移和加速度反應就越大,波的頻譜成分就越豐富。According to the relation between gear wear and its vibration, continuous wavelet transform is introduced to estimate the wear condition, the energy values of continuous wavelet on scale fit a spline which is much like that of the wear course of the gear
最後,將基於連續小波變換的信號處理方法引入變速箱齒輪的磨損估計。根據信號的連續小波變換的能量譜對尺度的積分值,擬合得到齒輪的磨損過程曲線。A real - time image registration algorithm combining integral projection and multi - resolution spectrum decomposition technique is presented
摘要本文結合積分投影與多分辨譜分解技術,提出了一種實時圖像亞像素配準演算法。分享友人