譜線形狀 的英文怎麼說
中文拼音 [pǔxiànxíngzhuàng]
譜線形狀
英文
line profile-
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。The fourth chapter introduces the theory of fractional brown movement ( fbm ). the image texture of turning workpiece is analyzed using fbm model. after abstracting the texture character, the cutting tool wear status can be determined according to fractal dimension and average slope of the fitting curve of the logarithm power spectrum
第四章採用分數布朗運動( fbm )的基本理論,對切削工件表面紋理的圖像進行分析,提取紋理特徵參數,根據分形維數和圖像上對數功率譜的擬合曲線的平均斜率來判斷刀具的磨損狀態。Formant : it uses the estimation of the overall shape of the spectrum ' s amplitude envelope
共振峰:使用了對頻譜的振幅包絡線的大體形狀所作的估計。The authors studied the characteristics of element geochemistry, mineral assemblage and microtexture of the white reticulate clay in the quaternary laterite of the dongting basin with some experimental analysis methods, such as chemical analysis, x - ray diffraction analysis, ir and sem analysis. the genesis of the vermiculate reticulate clay and the rhizomatic reticulate clay in the quaternary laterite of the dongting basin are discussed. the formation of crannies or holes in the soil and the transference of soil elements are absolutely necessary conditions to form the white reticulate clay in laterite
在野外考察的基礎上,運用化學全量分析x射線衍射分析紅外光譜分析和掃描電鏡微形貌分析等實驗方法和手段,對洞庭盆地第四系紅土地層中網紋的元素地球化學礦物組合特徵和微形貌特徵進行了系統研究,對洞庭盆地紅土地層中2種主要的網紋類型蠕蟲狀網紋和根狀網紋的成因進行了探討。Surface states and the topmost surface atoms of the batio3 thin films have been analyzed by x - ray photoelectron spectroscopy ( xps ) and angle - resolved x - ray photoelectron spectroscopy ( arxps ). the results show that the as - grown batio3 thin films have an enriched - bao nonstoichiometric surface layer which can be removed by ar + ion sputtering, and the atomic ratio of ba to ti decreases with increasing the depth of ar + ion sputtering
用x射線光電子能譜技術( xps )和角分辨x射線光電子能譜技術( arxps )研究了薄膜的表面化學態以及最頂層原子種類和分佈狀況,結果顯示在熱處理過程中薄膜表面形成一層富含bao的非計量鈦氧化物層,並且鋇-鈦原子濃度比隨著探測深度的增大而逐漸減小。Observation of the on - off sequencing of characteristic spectral lines from tracer materials arranged in layers in, or surface patterns on, planar or spherical targets can provide a record of radial or lateral energy transport processes in laser - generated plasmas
測量激光聚變靶產生的軟x射線時間變化連續譜的形狀,可以知道許多x射線產生過程的詳細動態記錄,這有助於理解實驗的熱學條件。觀察軌跡特徵譜線的閉合序列,能提供關于激光等離子體激發能量和滯后能量的傳輸過程記錄。This study was focused on the occurrence characteristics of the cryptomelane - bearing ores and the mineralogical characteristics of natural cryptomelane. the morphology, chemical and structure features of natural cryptomelane were characterized by means of powder x - ray diffraction, scanning electron microscopy, electron probe microanalyzer, energy dispersive spectrometer and x - ray fluorescence
利用x -射線粉晶衍射掃描電鏡電子探針電子能譜和x熒光光譜對天然錳鉀礦的形貌特徵化學成分結構特徵進行研究,結果表明天然錳鉀礦晶體形態主要為針狀纖維狀,沿At the same time, the probe ' s descent imager and spectral radiometer ( disr ) will take pictures of the methane clouds so that researchers can determine their size and shape
同時,探測器的降落攝影光譜無線電儀( disr )將拍攝甲烷雲的照片,讓研究人員能判定其大小與形狀。When the plane was heated, observation showed that the shape factor increased from 1. 5 to 2. 6 ; the mean velocity profile departed from the law of the wall ; the inertial subrange in the energy spectra curves disappeared ; the intermittent phenomenon occurred
發現在加熱的情況下,邊界層的形狀因子由1 . 5上升至2 . 6時均速度廓線中的平衡湍流層消失以及速度能譜中慣性子區消失等變化。The x - ray spectra emitted from laser - produced plasmas contain plentiful information. it is a powerful tool to carry out plasma diagnosis and to study the formation and evolution of the plasmas as well. it plays a significant role in the field of inertial confinement fusion
慣性約束核聚變( icf )中,激光等離子體發射的x射線譜中包含著十分豐富的信息,是研究等離子體形成、發展並進行狀態診斷的有力工具之一,具有非常重要的意義。And then, we measured x - ray diffractive spectrum of samples and investigated the crystal lattice structure of samples treated under different annealing temperature and different implantation condition comparing the diffraction peaks
然後,通過x射線衍射測量了樣品的衍射譜,通過比較不同樣品衍射峰的形狀,了解了不同退火溫度及注入條件下樣品的晶格結構情況。When the energy distribution are represented by arbitrary tabulated function ( lf = 1 ), some approximate descriptions ( e. g. simple triangular shape or rectangular shape ) of the energy distribution are applied near the threshold for some nuclides
一般近似的能譜形狀有三角形分佈(即用三個出射能點且線?線插值描述)和矩形分佈(即用兩個出射能點且矩形插值描述) 。In order to discuss the friction and wear mechanisms of mos2 nanoparticles, it was analyzed that the chemical status of elements existed on the rubbed surface by x - ray photoelectron spectroscope, and it was observed that the surface topography of wear zone by scanning electron microscope
通過x射線光電子能譜儀( xps )分析磨痕表面元素的化學狀態,掃描電子顯微鏡( sem )對磨痕的表面形貌進行分析,從而總結了納米二硫化鉬在n46機械油中的摩擦磨損機理。The new method of direct determination of micro amounts of elements in electrician silicon - steel chips is based on the high performance of pw 2400 x - ray fluorescence spectrometer system and its software. it can correct both the matrix effect and the influence of sample physical status. specimens of steel chips can be determined directly without any pretreatment. the method has high accuracy and precision, the operation is easy and the analysis is fast
報道了x射線熒光光譜法直接測定電工硅鋼鋼屑樣品微量元素的新方法,校正了樣品中元素間的基體效應影響和校正了鋼屑樣品的不同顆粒結構,不同幾何形態及不同表面狀態的影響,使鋼屑樣品可不經處理直接測定,操作簡便。Morphology of b - doped diamond had been observed by sem. boron contents and impurity situation of b - doped diamond had been analyzed by ftir / raman and xrf
對含硼金剛石在sem下進行形貌觀察,通過紅外拉曼光譜、 x射線熒光( xrf )分析硼摻雜的存在狀態和含量。The spectrum only depends on the temperature of the object. if the temperature is low, the peak of the spectrum is at red region. for higher temperature, the peak shifts towards the yellow, blue, finally in the ultraviolet region
光譜曲線的形狀只取決於物體的溫度,溫度低的物體光譜峰值在紅光,溫度越高,峰值越向短波長一端偏移,由黃光開始,到達藍光,再進入紫外線區域。The quantized lp coefficients are replaced by the unquantized lp coefficients in the frequency domain expression of the feel weighted filter. the error signal has more similar envelope shape, and the hearing effect is better than before because the unquantized lp coefficients have more accuracy than quantized lp coefficients
由於未量化的線性預測系數具有更高的精度,因此,誤差信號通過修正後的感覺加權濾波器以後,具有與語音信號譜更加相似的包絡形狀,從而更好地利用共振峰對誤差的掩蔽效應,達到更佳的主觀聽覺效果。Analysis of state for passive film formed on metallic biomaterials by x - ray photoelectron spectroscopy
用x射線光電子光譜法分析金屬生物材料形成的無源膜的狀態Firstly, fourier descriptor used to describe the object ' s shape is introduced to the extraction of feature of apple ' s shape. the boundary of apple is an obturated curve, distance between boundary point and centroid r ( k ) " is used as a function to express the 2 - d boundary in spatial domain. the fourier transform coefficients of the discrete sequences f ( h ) are spectrum values in frequency domain, and they compose feature parameters of shape
首次將圖像分析理論中對形狀的傅立葉描述方法引入到對蘋果形狀的特徵提取中,果實邊界是一條封閉曲線,用邊界點到形心之間的距離長度r ( l )作為空域中對二維曲線的表達函數,離散的函數值序列r ( k ) ~ l的離散傅立葉變換系數f ( h )就是頻域中得到的頻譜值,可作為形狀的特徵參數。We studied the effects of pulse - shape, an additional static electric field and different initial states on ionization probability and hhg. we did so by representing the results of a series of numerical experiments on a one - dimensional model hydrogen atom
本文將採用數值計演算法來求解含時schrodinger方程,研究在一維氫原子模型中,外加的平行靜電場,不同形狀的激光脈沖以及原子處于不同初始態對諧波譜線和電離率的影響。分享友人