譜線反線 的英文怎麼說
中文拼音 [pǔxiànfǎnxiàn]
譜線反線
英文
line reversal-
Adopting the assummation that the quark interaction is the sum of the usual one - gluon direct exchange and the mixture of linear scalar and vector potentials, we structure the relativistic corrections of order v2 / c2to the cornell potential, including the annihilation potential for the quark and antiquark of the same favors which plays the same role with the one - gluon direct exchange at short distances. the effects of the relativistic corrections on the hyperfine splittings of quarkonium states are discussed, and a good fit to the available experimental data is obtained on heavy quarkonium mass spectra
采納庫侖勢源於單膠子直接交換,而線性禁閉源於標量和矢量的混合,同時考慮在短程區域與單膠子直接交換起同樣作用的同味正反夸克的湮滅,構造了靜態夸克-反夸克勢到v ~ 2 c ~ 2級次的完全相對論修正,並擬合計算了重介子偶素的能譜,討論了相對論修正對重介子偶素能級分裂的作用。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。As a result of interference of light, the spectrum distribution of light will change in some condition when it pass through some medium, and the change is determined by the parameter of the medium
利用光譜儀測量干涉后的光譜分佈,再結合優化演算法擬合測量光譜曲線,反演出光學介質的某些未知物理參數。In order to investigate the interfacial reaction of high - k thin film on si substrate, the high - k samples were studied by xps as a function of annealing temperature
為了考察high - k物質與si基底的界面反應,以溫度為函數,對樣品進行xps光電子譜線測定。We studied uv - reflective colourpatterns in male guppies, poecilia reticulata, and their importance in female choice
利用紫外線反應出公魚色譜的技巧,也可以用來挑選較好的母魚。( 3 ). the flattening arithmetic of an edfa was presented based on the inter - correlative function between the gain spectrum function of the edfa and that of the reserve transmission spectrum of the lpfg. for optimal matching between the two spectra, the flattening arithmetic calculates the variation of the resonant amplitude and wavelength of the lpfg
Iii .提出了一種動態增益均衡的平坦演算法,這種演算法的本質就是利用摻鉺光纖放大器增益譜函數和新型長周期光纖光柵的透射譜反轉譜函數的相關性,給出新型長周期光纖光柵諧振峰幅度和位置的調節量,使改變后的新型長周期光纖光柵的反轉譜線能和edfa的增益輸出譜線進行最佳匹配。The variation of the film composition can be monitored by using the method of spectrum analysis during the film deposition ( for the intensity of the persistent line is proportional to the particle density of the element in the vacuum chamber ). the measurement of the transmission spectrum of the film on a transparent substrate can be used to calculate the film parameters, such as refractive index, extinction coefficient and the thickness of the film. therefore, the combination of the two methods would be helpful to on line monitoring the film constituents and the optical paramenters in the preparation of thin films
在制備薄膜的過程中,利用光譜分析的方法,以放電光譜特徵譜線強度的變化來反映相應物質成分的變化,以連續光譜光源發出的光透射過薄膜的透射率的變化,來反映薄膜的厚度、折射率、吸收系數等光學參數的變化,從而達到在制膜過程中,對薄膜的成分、厚度等參數進行在線監控的目的Second, based on the estimation, the fine dbf is performed and the target spectra are filtered. finally, the inverse velocity transformation and reverse weighting are done, and enough batches of signal are united
然後,根據參量估值結果,進行精細的數字波束形成,濾出目標譜線,做速度譜反變換併合並多批數據,得到待處理的方位向信號。By means of esca, igc, wd, dsc ) sem and computer aided image processing technique, the relations of composite ' s microsimcture and macroscopic properties were researched and conclusions were listed as follows. l
藉助x射線光電子能譜( esca ) 、反相氣相色譜( igc ) 、 x射線衍射分析、 dsc分析和掃描電鏡( sem )等測試手段和計算機圖像處理技術,分析了材料微觀結構與宏觀性能間的關系,取得了如下結果。Equalizer based on coupler. model of gain spectrum was made based on the coupled theory. parameters of coupler were adjusted so that the coupler can have the inverse gain spectrum comparing with edfa ' s
論文從耦合波理論出發,建立了耦合器增益譜計算模型,通過不斷調節耦合器的參數,使得耦合器的增益譜線與edfa的增益譜線具有反對稱(或者近似反對稱)的起伏特性。The influence of several vital parameters ( the linewidth enhancement factor or, reflectivities of the facet adjacent to the external cavity r and the external reflector r ) of the ecld on the bistable characteristics have been discussed briefly
並初步介紹了ecld幾個關鍵參量,譜線展寬因子和ld鍍膜端面反射率r對雙穩環基本特性的影響。Solving the rate equation numerically, the influence of the factor a and the reflectivity r on the transient characteristics of the ecld has been analyzed when the shape of the hysteresis loop looks like a parallelogram approximately
通過對速率方程組進行數值求解,分析了當ecld雙穩環呈現近似的平行四邊形時,譜線展寬因子和ld鍍膜端面反射率r對雙穩跳變瞬間動態特性的影響。The alloy structure has been shown by x - ray powder diffraction. x - ray photoelectron spectroscopic data have confirmed that the nickel and cobalt in the bimetallic nanoclusters is in the zero - valence state and alloy state, respectively
利用差熱分析、紅外光譜、 x射線粉末衍射和透射電子顯微鏡對反應的氧化過程、結晶過程和產物的結構與形貌進行了表徵。This topic focused on the radiation effect on the uhmwpe fiber with electron beam ( eb ) radiation. and instron, sem, atr - ir, xps, epr, xrd et al were used to characterize the structure and properties of uhmwpe fiber before and after radiation treatmentand on this condition we probed into the grafting modification with eb radiation technology
本課題研究uhmwpe纖維的電子束輻照效應,運用電子強力機、掃描電鏡( sem ) 、全反射紅外( atr ? ir )光譜、 x射線光電子能譜( xps ) 、電子順磁共振儀( epr ) 、 x射線衍射儀( xrd ) 、接觸角和交聯度測定等方法對uhmwpe纖維在電子束輻照作用下的主要結構與性能變化規律進行了表徵和分析,在此基礎上對運用電子束輻照技術進行uhmwpe纖維的表面接枝改性進行了探討。The transmission spectra and reflectance spectra of the pc shift systematically with the spheres size, providing evidence of photonic crystal effects. photoluminescence measurements show efficient emission of the zno photonic crystals in the uv as well as a defect emission band at longer wavelength
利用透射光譜及反射光譜研究了影響zno光子晶體的光子禁帶的工藝參數;利用x射線衍射儀分析了zno光子晶體的結晶和取向性能;利用熒光分光光度計,研究了不同前處理溫度下的zno光子晶體的光致發光譜。In the inversion of well - log and the extraction of features, the walsh function and sequence analysis is introduced, which raises the vertical resolution, protrudes the limit of layers and extracts more effective features
沃爾什函數及序譜分析被用到了測井曲線反演與特徵提取上,結合測井曲線的短期平穩性,提高了測井曲線的縱向解析度,突出了薄層和層段界限,並提取了有效的序譜特徵。The effective method of nucleation and growth of nanoparticles as applied to synthesize w - and mo - containing polyoxometalates nanoparticles in precursor films by making use of their acidity or oxidative property. the controllable synthesis of nanoparticles can be achieved by increasing synthetic cycle of polyoxometalates. the composition, structure, and properties of the as prepared composite films have been characterized in detail by uv - vis, ftir, x - ray photoelectron spectra, scanning electron microscopy, atomic force microscopy, transmission electron microscopy and cycle voltammograms
利用有效的在前體膜中成核、生長納米粒子的方法,使用keggin型鎢系、鉬系多酸,有目的地利用其酸性,強氧化性,在膜中發生反應,從合成出基於多酸的納米粒子,通過增加多酸的反應循環數,我們可以實現了納米粒子的可控合成,採用uv - vis光譜、 ftir光譜、 x -射線光電子能譜、掃描電子顯微鏡、原子力顯微鏡、透射電子顯微鏡、循環伏安對所制備的納米復合膜進行了組成、結構和性質表徵。( 2 ) the properties of displacement measurement based on self - mixing interference are mathematically analyzed. first, how the external phase influences upon the output frequency, intensity, power and line - width is discussed. then, the output signal ' s properties modulated by four waves, including sine wave, square wave, triangular wave and saw tooth wave, is discussed
( 2 )通過數值分析討論了自混合干涉位移測量系統的基本特性,包括外腔相位對輸出光頻、輸出強度、輸出功率、譜線寬度的影響,以及正弦波、方波、三角波、鋸齒波調制反射體位移時輸出信號的特點。But in the case of fixed target the spectra intensity become weak with the target long exposed to the laser radiation
反之使激光照射于固定靶上的固定點, libs信號的強度逐漸下降,從而影響譜線強度的穩定性。1 measurement items : luminance ( transmittance, grey scale inversion ), chromaticity, response time, flicker, eoc, gamma curve, view angle performance, spectrum, reflective luminance, reflective chromaticity, reflectivity, module optical performance with certain temperature range
1量測項目:亮度(穿透率,灰階反轉) ,色度,響應時間,閃爍度,光電特性曲線,圖像輝度曲線,視角特性,光譜曲線,反射亮度,反射色度,反射光譜,反射率,產品光學參數的溫度特性。分享友人