譜平均 的英文怎麼說

中文拼音 [píngjūn]
譜平均 英文
spectrum averaging
  • : 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)...
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  1. Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically

    考慮了各種彈性和非彈性碰撞過程,在純氧氣、純氮氣中,給出了不同簡化場e n條件下的電子漂移速度和電子能量的變化;著重分析了激發、電離、分解及分解電離碰撞的粒子數隨e n 、電子能量的變化,同時計算了激發發射光的波長。
  2. 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的擬合曲線的斜率來判斷刀具的磨損狀態。
  3. 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。
  4. However the binary catalysts system favors low residue content. it was found that the residue content were remained at a low level with ethylene glycol as the reaction media and 6 % ( by mass ) of sulfuric acid as the catalyst in the presence of phenol. the contents of lipophilic products were investigated

    經凝膠色法測定表明,以濃硫酸苯酚為催化劑、乙二醇為反應介質的反應體系,所得到液化產物的相對分子質量最低, m _ w為806 , m _ n為799 。
  5. Research on wind is the precondition of wind response, then the section plane of static wind, intensity of onflow, psd function and correlativity of dynamic wind are involved in

    對風的研究是進行風振響應研究的前提,風的基本特徵包括風速剖面、湍流強度、脈動風功率密度函數、脈動風的空間相關性以及極端風速的概率統計特性。
  6. To obtain the statistical boilerplate of lst according to the asymmetry distribution of cloud, we compared the images of the averaged temperature, which were respectively imaged by using satellite remote sensing and by using the general weather data, and analyzed the frequency of real - time lst figures by employing appropriate templets

    針對雲系的空間分佈不勻性,採用適當模板對lst實況圖進行頻分析,找出lst的統計樣區,繼而對這些區域的lst數值進行,得到多年lst圖的參照標準。
  7. A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid

    利用六偏磷酸鈉作為穩定劑,通過控制反應物的濃度及比例,制備了粒徑為3 6nm 、呈近似球形的cds納米顆粒,光測試結果表明,顆粒具有明顯的量子尺寸效應,適當過量的cd ~ ( 2 + )離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能;採用檸檬酸鈉還原氯金酸,制備了接近球形、粒徑約為12 . 3nm的單分散體系au納米顆粒;採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。
  8. We obtain a new quark potential from the effective dilaton - gluon - coupling inspired by superstring theory, and by using this static potential, we explore the mechanism of quark confinement through calculations of the spin - average energy levels, the widths of the leptonic decays and radiative transitions for heavy quarkonium. the obtained results are compared with that of the cornell potenial

    由規范場理論的超弦理論所激發的伸縮子一膠子有效藕合,給出了一個新的靜態夸克一反夸克勢,討論了此勢模型下重介子的自旋、輕子衰變和輻射躍遷寬度,並與cdrn叭勢模型所得到的相應結果作了比較
  9. Amplitude correction approach using average of several points in discrete spectrum for analyzing the dynamic signal of rotating machinery with varying speed

    變速機械弱時變信號幅值校正的多點
  10. According to the experimental data of droplet size 、 particle spectrum range 、 droplet cone shape 、 flow rate 、 cover area and cover area rate which obtained through changing the pressure of power sprayer and the nozzle diameter in greenhouse , this paper made comparative analysis on atomizing performance in same pressure and different nozzle type between same nozzle type and different pressure. the conclusion is that : the ejection rate and the droplet cone shape change with the variation of pressure and nozzle diameter , average particle diameter decreases obviously and particle quantity increases obviously with the increase of pressure and decrease of nozzle diameter. these results will lay experimental foundation for precise spraying 、 low pollution and highly effective operation

    本文根據溫室內動力噴霧機壓力與噴嘴孔徑的變化影響霧滴大小、粒范圍、霧錐形狀、流量、覆蓋面積及覆蓋面積率的試驗數據,對相同壓力下不同噴嘴型號和相同噴嘴型號時壓力不同時的微粒化性能進行對比分析和研究,得到如下結論噴出量與霧錐形狀隨著壓力和噴嘴孔徑大小變化而變化;粒徑隨著壓力的增加和噴嘴孔徑的減小而明顯減小;粒數隨著壓力的增加和噴嘴孔徑的減小而明顯增多,為精噴量、低污染、高防效的防除作業奠定了實驗基礎。
  11. Rubber, raw natural - determination of average molecular mass and molecular - mass distribution by size exclusion chromatography

    天然橡膠.用粒度分離色法測定分子質量和分子質量分佈
  12. Determination of molecular weight averages and molecular weight distribution of polystyrene standards by steric exclusion chromatography

    體積排斥色法測定聚苯乙烯標準樣品的分子量及分子量分佈
  13. By integrating conventional fourie transformation with the smooth average method of spectrum, the high frequency noise was not only removed, but also the signal was smoothed and the main frequency of the signal was found easily and then was extracted as the coarse features of the signal. on the basis, in order to analyze the detail features of the signal, the signal can be decomposed using the db6 mother wavelet function

    分析方法的傅立葉變換中引入法對蜂窩結構材料和纖維增強材料聲-超聲檢測信號進行處理,不僅可以有效地去除信號的高頻噪聲,而且可以滑信號,突出檢測信號的主頻,實現了對檢測信號「粗信息」特徵的提取;在此基礎上,合理選用db6小波基函數,對信號進行小波分解,對信號的特徵進行進一步的細微分析。
  14. We calculate the spin - average energy levels of heavy mesons and analyze the influence of model parameters to energy levels. the obtained results are compared with that of other potentials and agree with the available data

    在重介子系統中研究了這個新的夸克勢,計算了一些重介子系統的自旋,分析了模型參數對能的影響,所得能與其它勢的結果作了比較,並與實驗上肯定的數據符合較好。
  15. It was found that the simple triangular shape distribution would cause " two - peaked " energy distribution near the threshold energy, which must affect the group transfer matrix

    閾能處三角形能分佈的近似描述,導致產生了群散射矩陣的「雙峰」現象,而閾能處矩形能分佈使次級中子能量(
  16. At ping chau in mirs bay to continuously monitor the environmental radiation. the 15 - minute averaged gross alpha and gross beta activity concentrations, the 10 - minute iodine - 131 activity concentrations, as well as the 2 - hour gamma spectrometry analysis data are automatically telemetered to the central station at the hko headquarters

    當中包括每十五分鐘的總阿爾法及總貝他活度濃度、每十分鐘的碘- 131活度濃度,以及每兩小時的伽馬法分析資料。
  17. Based on the spectrum of mean sea level ( msl ) and the relation model between two tidal stations, the mathematical model for hydrographic datum transfer are studied

    基於海面的頻結構和兩驗潮站潮位之間的關系模型,對基準面傳遞的方法原理進行了理論研究。
  18. Seventy - nine improved wheat cultivars ( lines ) including some related parents were corssed with rye to detect the difference of crossability among wheat genotypes and the developing tendency of crossability during the cultivar renewing period in shandong province, the results expressed that crossability of improved cultivars with rye were significantly lower than that of the check ( chinese spring ), and there were 3 cultivars with a seedset of more than 50 %, 4 cultivars with the seed - set of 30 % - 50 %, 8 ones with that of 10 % - 30 %, 50 ones with the seed - set of less than 5 %, and the other 14 cultivars with the seed - set of 5 % - 10 % ; the mean crossability between wheat and rye decreased with the renewing of cultivars in shandong, and the number of cultivars with the seed - set of more than 50 % and 30 % - 50 % also decreased, but that with the seed - set of less than 5 % increased gradually during the renewing period ; pedigree analysis revealed that the crossable gene of the tested cultivars might come from 3 landraces ( youzimai, mazhamai and huixianhong ), laizhou 953, 8641012, yannong 15 et al were improved wheat cultivars with both excellent agronomic traits and high crossability with rye

    以79個改良小麥品種(系)與黑麥進行雜交,研究普通小麥品種與黑麥雜交親和性的差異及其親和性在品種更新、更換過程中的演變趨勢,結果表明:供試改良小麥品種與黑麥的雜交親和性顯著低於對照中國春;結實率大於50 %的品種3個,占供試品種的3 . 8 % ,結實率介於30 % - 50 %之間的品種4個,佔5 . 1 % ,結實率介於10 % - 30 %之間的品種8個( 10 . 1 % ) ,結實率小於5 %的品種50個,佔63 . 3 % ,另外,結實率介於5 % - 10 %之間的品種14個,佔17 . 7 % ;普通小麥與黑麥的雜交親和性隨著品種的更新、更換呈下降趨勢,結實率大於50 % 、介於30 % - 50 %的品種數呈下降趨勢,而結實率5 %的品種數呈上升趨勢;系分析表明,供試改良品種的親和性大都來源自蚰子麥、螞蚱麥、輝縣紅3個地方普通小麥品種;萊州953 、 8641012 、煙農15等是親和性和綜合性狀都較好的改良小麥品種(系) 。
  19. In this paper, data gathered during 1957 - 1996 were used to study the climatological variability in the northern ecs, through statistical methods such as eof decomposition, correlation analysis, and maximum entropy spectrum analysis. the conclusions were drawn as follows : 1

    本文利用1957 1996年東海溫鹽的觀測資料,通過統計、 eof分解、相關分析、最大熵分析等方法,對東海北部夏、冬季溫鹽年際年代際變化特徵及其成因進行了初步探討,得到以下結論: 1
  20. Radar target recognition by a logarithm bispectrum - based method is simulated and studied. it is discovered that the more test samples that generate the subrangeprofile of logarithm of averaged bispectrum are, the higher recognition rate is. and using phase information is a key to obtaining high recognition rate. all of these methods are proved by experiments on simulated data and real data of planes

    4 、對基於對數雙特徵的目標識別法進行模擬實驗,研究了該演算法的識別性能和用於求雙譜平均對數子像的測試樣本數之間的關系,該測試樣本數越多識別率越高,同時研究表明利用相位信息是該演算法得到較高識別率的關鍵。
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