measurement variation 中文意思是什麼

measurement variation 解釋
測量變異
  • measurement : n. 1. 測量,計量,量度。2. 份量,尺寸,大小,寬度,厚度,深度(等)。3. 測量法。 measurement goods (按體積、容積計算的)體積貨物。
  • variation : n 1 變化,變動。2 變量,變度,偏差。3 【語言】語尾變化;變體,異體;【數學】變分,協變;順列;【...
  1. The accuracy of 3 - d surface - shape measurement by phase - measuring profilometry ( pmp ) is greatly influenced, because the variation of environmental light leads to biggish error

    摘要在運用相位測量剖面術( pmp )對物體進行三維面形測量時,由於測量現場環境光強變化而引入較大誤差,嚴重影響測量精度。
  2. The posture characteristics and systematic measurement of burbot was compared be tween jingbo lake and baikal. the genetic variation of the posture characteristics of the jingbo lake burbot was discussed from

    通過對位處黑江水系南緣位置的鏡泊湖所產江鱈體態性狀的系統測量統計數值,與屬北極海水系的貝加爾湖江鱈的同等性狀進行對比,用統計學
  3. 2 ) this paper research mainly the influence of the cluster satellite circumnavigation 、 earth - rotation 、 satellite attitude to the baseline variation and the speed measurement accuracy, and give the correcting mathematical formula and the relative curvature

    2 ) 、著重分析分散式衛星sar系統中衛星環繞、地球自轉、衛星姿態對基線、測速精度的影響,並繪出了相應的數學模型及關系曲線。
  4. So must use information theory method depict and abundant the genetic diversity index system. in addition to, the introduce of molecule biology technology and the research of nucleotide sequence evolutive give a new method for population genetic, so must do deeply research about the analysis method of dna sequence data = the research main about the follows : there are three parts about the information model of population genetic : one about the shannon information entropy property of equilibrium population and the entropy change in the process of establish equilibrium ; another research is about the diversity measure - ment of genetic variation ; lastly, research the shannon information measurement about the disequilibrium gene variation. the result is : 1 to a definite gene distribution, the genotype entropy reach the maximum at the equilibrium population, the process of population from disequilibrium to equilibrium, the entropy get large and large

    此外,分子生物技術的介入及核苷酸序列進化的研究都為群體遺傳學的深入研究提供了新的途徑,但關于dna序列數據的分析方法需要作進一步的研究。本研究主要體現在以下幾個方面: (一)關于群體遺傳學的信息論模型研究,主要分為三部分內容:一是群體平衡的shannon信息熵的性質和群體平衡建立的熵變性質;二是群體遺傳多樣性測度的研究;三是非平衡群體的基因變異測量shannon信息量的方法研究。得到了如下結論: 1 、平衡群體的shannon信息熵最大,群體平衡的過程是熵的增大過程。
  5. The material moisture content measurement method is based on measuring the variation of electrical resistance. until now, no literature has been found to report the similar expenmental work in the world

    這些研究是國內外首次對生土建築材料的熱濕物性參數進行全面研究和探索,測試數扼和一些測試方法都具有國際先進性。
  6. A portable wind cable can be measured in a variety of circumstances, not by the winds of change cable circumstances measuring wind cable tension ; both of arbitrary moment of absolute tension cable wind, the wind can monitor cable tension variation ; construction equipment to the wild environment ; lightweight structures, the demolition convenient, simple measurement ; the intelligent measurement mode, can provide a wide range of choices rope specifications directly measured wind cable tension that the absolute need for conversion, and misoperation automatic alarm functions, measurement more convenient, direct, accurate and high degree of automation

    一種便攜式纜風測力器可在各種施工環境下,在不改變纜風受力的情況下測量纜風張力;既能測量任意時刻纜風張力的絕對值,又可監測纜風的張力變化;裝置適應野外施工環境;結構輕巧、安拆方便、測量簡捷;在智能化測量模式下,能夠提供多種鋼絲繩規格的選擇,直接顯示被測纜風張力的絕對值,無需換算,並有誤操作自動報警功能,測量更加方便、直接、準確,自動化程度高。
  7. Energetic materials for defense - physical - chemical analysis and properties - volume variation measurement in a tensile test by farris gas dilatometer

    軍用高能材料.物理化學分析及特性. farris氣體膨脹計測量抗拉試驗中體積的變化
  8. On the basis of piv measurement of the gas solid velocity field, the size and the numbers of particles are measured by newly developed image processing software. the results are identical with the variation of the factual size of particles. by the viable datum, the average size of particles in the cross section is calculated in the dilute phase area of circulating fluidized beds ( cfb ) riser

    在piv測速系統基礎上,通過二次開發的圖像識別軟體,實現不同工況下各截面顆粒粒徑分佈的測量,測量結果基本反映出實際顆粒粒徑變化,證明了該方法的可行性,進一步獲得了循環流化床稀相區顆粒粒徑分佈特性。
  9. In precision length measurement, the environmental factors will not only cause the length variation of the measured object, but also influence the characteristic of laser ’ s measurement system and other metrical tools. thereby the measurement result is considerably influenced and it makes the precise measurement no sense

    在精密長度測量中,測量環境溫度的變化不但會使被測件的長度發生變化,而且還會影響激光測量系統,量塊等測量工具的特性參數,給測量結果造成較大的影響,使精密測量失去意義。
  10. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中,為跟蹤、定位機動目標和干預機動控制過程,需要統計處理離散的雷達觀測量實時估計推進發動機的推力,進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型,推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量,應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  11. 1 calibration the comparison of a measurement standard of instrument of known accuracy with another standard of instrument to detect, correlate, eliminate by adjustment, and report any variation in the accuracy of the item being compared

    調校把一部己知其準確度的儀器的量度標準與另一儀器的標準作比較,來檢查、連系、更正並消除及報告比較專案的誤差。
  12. Based on the theory that the optical properties of zncdse / znse qd structure at different formation and ripening stage are different from each other, by investigating the variation in emission peak energy and integrated intensity, the formation and ripening information of the dots was obtained, which overcomes the disadvantage of atomic force microscopy ( afm ) in that it can not be applied to the measurement of the initial formation stage of the qd. furthermore, it is of great help to clarify the controversies in the ripening process of se - compound qd

    利用量子點在不同形成和熟化階段具有不同的光學性質這一思想,通過測量zncdse znse量子結構的發光峰的位置與相對強度的變化,獲得了量子點的形成和熟化信息,從而既解決了一般金屬有機物化學氣相沉積( mocvd )設備由於沒有原位監測儀器而無法對量子點的形成過程進行監測的不足,又澄清了原子力顯微鏡表徵的量子點熟化過程的爭議。
  13. According to the raman selection rule and the pl measurement, it is reasonable to evaluate the quality of galnp / algalnp mqw by analyzing the relative intensity ratio of a1p - lo / to. ( 4 ) a new modified random element isodisplacement ( mrei ) model is set up to calculate the dependence between the long - wavelength optical phonon frequencies and the composition of iii - v - type ab1 - xcx mixed crystals. the second neighbor force constants are still assumed to be a linear variation with the composition, but the two first neighbor force constants can be evaluated to be a negative exponent variation with the composition, using the overlapped repulsive potential of the ion crystal combination

    通過實驗我們找到了在這些結構參數上生產gainp algainpmqw的較理想的結果; ( 3 )首次用喇曼( raman )散射方法研究了常溫下的gainp algainp多量子阱結構,除了指認出喇曼光譜中各光學聲子模外,還結合樣品光致發光譜的測量結果,分析發現喇曼光譜中alp - lo to的相對強度比可以在一定程度上評定晶體gainp algainpmqw的生長質量; ( 4 )在修正的隨機元素等位移? mrei模型的基礎上建立了一個新模型,計算了ab _ ( 1 - x ) c _ x型?族半導體混晶的長波長光學聲子模頻率的組分變化關系。
  14. 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
  15. The keep - up pressure recovery of most oil - gas reservoirs and the gas storage measurement on some depletion reservoirs have been made in china, which have endlessly caused variation of pressure difference between inside - pore and outside - pore, followed by always changes of compressibility, porosity and permeability of rocks due to injection and production time and again of reservoir fluids

    摘要目前我國許多油氣藏進行了保壓開采措施及對部分衰竭油氣藏進行儲氣庫改造措施,油氣藏流體反復注采,使得孔隙內外壓差不斷變化,導致巖石壓縮系數、孔隙度、滲透率發生著不斷的變化。
  16. Theoretical analysis and simulation results demonstrate that asymmetries in lower and upper sidebands and imd magnitude variation depending on envelope frequency and junction temperature can appear, these results are in accordance with measurement results, and show that electrical and thermal memory effects exist

    理論分析和模擬結果表明功率放大器上下邊帶不平衡和互調失真幅度依賴于包絡頻率和結溫,結果和測量的結果是一致的,說明存在電和熱記憶效應。
  17. 1 dfp flat panel display parts and components diffuser plates, polarizing plates drawing processing work automatic dimension measurement device gs series a product optimized for precision dimension measurement in the sheet metal industry work size : a wide variation available t enable measurement of work pieces ranging from 100 x 100mm to 1500 x 1200mm

    下面為以1 fpd平板顯示器零件元件散光板偏光板製造商2切削加工行業3精密金屬薄板加工行業為主的能達到微米級精度的加工製造商介紹一款最適合進行「精密尺寸測量」的商品。尺寸自動測量裝置gs系列:變化豐富,可測定從100100mm .到15001200mm的各種尺寸的工件。
  18. Methods of measurement for waveguides - part 3 : variation of group delay iec 61580 - 3 : 1997 ; german version en 61580 - 3 : 1997

    電子成像辦公文件黑白掃描用測試標板第2部分:使用方法
  19. Our research used this laser system and its precise measurement software to make a all - round study on the relationship of zona pellucida thickness / hardness variation of human embryos and clinical pregnancy outcome following in vitro fertilization treatment and the application of laser thinning in assisted hatching. the purpose of this study was to try to provide the basic rationale for assisted hatching and an alternative assisted hatching method

    本研究即為應用這種激光系統及其精確的測量軟體,對zpt 、 zptv與妊娠結局的關系、體外培養胚胎透明帶硬度的變化及激光薄化透明帶進行輔助孵出的臨床應用進行綜合研究探討,旨在為輔助孵出的病人選擇、方法選擇提供基礎與臨床理論依據。
  20. Methods of measurement for waveguides - part 3 : variation of group delay

    波導管的測量方法.第3部分:群時延的變化
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