相對精度 的英文怎麼說
中文拼音 [xiāngduìjīngdù]
相對精度
英文
relative accuracy- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 精 : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
- 精度 : precision; accuracy; degree of accuracy; precision accuracy; trueness
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The relative intensity of fine structure of alkali metal ' s atomic spectra
堿金屬原子光譜精細結構的相對強度A conc1usion can be drawn that these algorithms has better preci si on and fitting for the multi - - beam swath bathymeter system better on the condition of 1arge beam ang1e, and can improve the precision of edge beams in non - - specu1ar seabed region
證明bdi和分裂孔徑相關法可以精確地對海底回波信號進行回波時延估計和方向估計,可提高非鏡向海底區域的邊緣波束的測量精度。Sxm11p straight line beveling machine is the latest develop new style of beveling machine from suntech. it specialty adopt beveling wheel, it can whole progress and can lifting intergrally, it compare to traditional front beam or back beam s lifting, it have more pithiness structure. more better stability, higher grinding precision s characteristic. at present this technique was apply country patent. this machine have high automatizationg, set the grinding paramenter into the interface of the human - machine, the machine can automatic to adjust, realize the glass fine grinding, polishing can be automatic processing in one time
Sxm11p直線斜邊機是億海公司最新開發研製的新型直線斜邊機,它的特點是採用了斜邊磨頭,即可整體進給,又可整體升降的新技術,與傳統的前梁或後梁升降技術相比,具有結構更簡單,穩定性更好,磨削精度更高的特點,目前該技術已申請國家專利,該機自動化程度高,只要在人機界面上設定有關的磨削參數,機器便可自動進行調整,實現對玻璃精磨拋光等的一次性自動加工。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 ) 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。Klingelnberg cyclo - palloid spiral bevel gear has construction cramped, excellent transmission quality, low noise and loaded vehavior, it ’ s the main form of gear drives in the bevel gear ’ s technology field. it ’ s cyclo - palloid system, two - part cutter head and high power gears ( hpg ), has certain technology particular than gleason spiral bevel gear. systemic analysing the manufacture principle and meshing principle of klingelnberg cyclo - palloid spiral bevel gear, for accomplishing design theory and analysis method, for enhancement manufacture precision and loaded behavior, for promotion and applied in engineering field, have important theory value and actuality meaning. main work of the paper is tooth form emulation and tooth contact analyse of klingelnberg cyclo - palloid spiral bevel gear
克林貝格( klingelnberg )延伸外擺線齒錐齒輪結構緊湊、傳動性能優良、噪聲小、承載能力高,是錐齒輪技術發展的主要齒制,其連續切削法,雙層刀盤技術和硬齒面刮削法( hpg )相對于格利森制齒輪有一定的技術特點。系統的分析這種齒輪的加工原理和嚙合機理,對完善其設計理論和分析方法,提高加工精度和承載能力,在工程中推廣應用具有重要的理論價值和實際意義。In the system, the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high - speed photoelectric transition and electronic data process. two measured results of the diametric directs and ellipse tolerance, etc, parameter, of the turning workpiece on the same plane are obtained by non - contact automatic measurement
在單向激光掃描檢測技術的基礎之上,提出了一種雙向激光掃描檢測系統,其採用激光掃描檢測技術與特殊光學系統相結合,用準直半導體激光掃描光束對被測工件徑向某一截面的兩個相互垂直方向同時掃描,經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統,對將攜帶有垂直方向被測量信息的光束進行處理,實現了回轉體工件同一截面兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動測量,解決了同時非接觸測量回轉體零件同一截面兩個徑向尺寸的難題,它具有高速,高精度和非接觸自動測量等特點。Then discusses its properties, such as biased property, relative efficiency of generalized variance and superiority comparisons between generalized ridge estimation and generalized least squares estimation. shows iterative algorithm based on the mean dispersion error
該估計雖然具有偏崎,但其估計精度具有良好的性質,如:有偏性、方差一致最優性、相對于廣義最小二乘估計的廣義方差效率、 mde ? ?有效性等。At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel
首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按變量對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選法,並改進了統計學中多因子(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關系的高精度擬合,各年汛期上下游相應洪水位過程的擬合誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯合對水位作用;另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。Additionally, protein bands were found in the range of 62 kd in microsomes from oryza sativa and 45 kd from arabidopsis thaliana -, 2 ) the ipar - like protein was mainly localized in the vacuolar membrane ( tonoplast ) and plasma membrane in the leaf and root tip of arabidopsis thaliana for confirming the biological role of the ip3r - like protein, we investigated the effects of methyl viologen ( stimulating ip3 produce ) and heparin ( a competitive inhibitor of inositol 1, 4, 5 - triphophate in animal ) on stomatal movement by epidermal strip bioassay. when the epidermal strips of arabidopsis thaliana were treated with methyl viologen, it stimulates the stomatal closure
擬南芥表皮條用甲基紫精處理,可以引起氣孔的關閉,當處理90分鐘的時候,氣孔的相對開度由100降到58 ,統計學分析氣孔開度的變化有顯著差異;甲基紫精引起氣孔關閉的作用可以被肝素部分抑制,當甲基紫精和肝素同時處理90分鐘的時候,氣孔的相對開度由100降到92 ,統計學分析氣孔開度的變化沒有顯著差異,說明氣孔的相對開度基本上沒有變化。Researches on the stereophotogrammetry of digital images, which include relative orientation, absolute orientation, image matching and the evaluation of their accuracies ; 4
普通數碼影像的立體測量方法研究,其中包括對普通數字影像的相對定向方法、絕對定向方法、影像匹配方法的研究及其相應精度的評價; 4Abstract : applying the theory of linear and nonlinear regression, the mathematical model of the intelligent measuring system of the flow of asphalt, which describes the relationship among volume coefficient, temperature and relative density of asphalt material is studied. the nonlinear mathematical model for this relationship is set up and the precision of the model is brought up
文摘:應用線性及非線性回歸理論對瀝青流量智能測試系統的數學模型瀝青材料的體積系數與溫度及相對密度的相關關系進行了研究;建立了該相關關系的非線性數學模型,並給出了模型的精度Tobacco flavor. determination of relative density
煙用香精.相對密度的測定Essential oils. determination of relative density
精油相對密度的測定It can reflect soil water stress and salt stress. ( 6 ) choosing soil solution relative concentration as suitable variable established a funct - ion about crop relative yield, soil water and salt. using the way of testing model with actual data to valid its higher precision, it can reflect the relationship of crop yield, soil water and salt, and be considered as reference in water saving irrigation management
( 6 )選取試驗條件下的適宜自變量-土壤溶液相對濃度建立作物相對產量與土壤水分鹽分水鹽響應模型,通過實測資料檢驗確認模型具有較高的精度,可以較準確地揭示作物產量與土壤水分鹽分的量化關系,為含鹽土壤的節水灌溉研究提供了一定的基礎研究,可供灌溉規劃管理參考。Essential oils - determination of relative density at 20 c - reference method
香精油.在20時相對密度的測定.參比法The research of this paper is much practical. this dissertation discusses the work principles of several digital phase shifters respectively, and describes their characteristics. based on this, the milimeter 4 - bit digital phase shifter is designed by using different circuit format with 71 main line microstrip, incorporating the guideline and the level of process
在此基礎上,結合所給的指標要求和實際的加工工藝水平,採用71的微帶線作為移相器的主線,四位移相位採用了不同的電路形式,針對大移相位相位精度誤差大的缺陷對傳統的反射型移相器電路進行了改善,設計出了毫米波四位數字移相器。3. the formula with more precise is developed on the theory of color and the effects of flame radiation. the visual temperature field is provided for operator
3 .利用色度學理論、輻射定理和火焰的輻射特性,並經過推導與分析,得到了相對精度較高的溫度場計算公式,為運行人員提供了燃燒相對溫度場圖像。Discrete approach with 15 ' 15 ' grid is adopted in order to numerically simulate and calculate the gravitational potential field generated by the homogeneous rotation - symmetric ellipsoid, and it is verified that the method, the fictitious compress - recovery and the fictitious downward continuation of the gravitational field, is reliable and valuable at the relative accuracy level higher than 10 ^ ( - 4 )
摘要採用15 ' 15 '網格離散化手段對均質旋轉對稱橢球體產生的引力位場進行了數值模擬計算,在相對精度優於10 ^ ( - 4 )的水平上,驗證了引力位虛擬壓縮恢復法以及重力場虛擬向下延拓法的可靠性和有效性。In the end, null shift and scale factor of the newly developed mdrlg is tested. random walk of the gyroscope is 0. 0163 ?, rms of drift is less than 0. 09 ? h, relative precision of scale factor is better than 10 ppm
最後對新研製的機抖陀螺進行了漂移和比例因子測試,實驗測得陀螺隨機游動系數為0 . 0163 / h ~ ( 1 / 2 ) ,漂移均方差小於0 . 09 / h ,比例因子相對精度優於10ppm 。分享友人