統計精確度 的英文怎麼說
中文拼音 [tǒngjìjīngquèdù]
統計精確度
英文
statistical accuracy- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 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)...
- 確 : 形容詞1. (符合事實; 真實) true; reliable; authentic 2. (堅固; 堅定) firm
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 統計 : 1 (對有關數據的搜集、整理、計算和分析) statistics; census; numerical statement; vital statistic...
- 精確度 : accuracy degree
- 精確 : accurate; exact; precise
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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。Since the preload and the friction moment of the geminate bearing are dominating factors affecting the performance of the navigation platform frame system, based on theoretical study on the control methods of bearing ' s preloads and frictional moment, the paper puts forward a method to control the preload of the twin bearings accurately. moreover, a multifunctional test apparatus of the navigation platform bearing is designed, and a lot of experiments of bearing ' s rigidity and friction moment and preload assessment are done
考慮到成對軸承預載荷和摩擦力矩是影響導航平臺框架系統性能的主要因素,本論文對成對軸承預載荷及摩擦力矩控制技術進行了理論研究,提出了一種精確控製成對軸承預載荷的配對方法,設計了導航平臺軸承多功能測試儀,並對導航平臺軸承的剛度、摩擦力矩和預載荷評定技術進行了試驗研究。This paper discuss the accelerometer base on mutual inductance variety for filling up the blank in silicon accelerometer of home, boosting up the onrush of weapon, improving the precision of navigation system is very importance, at one time, for taping the big measure rang accelerometer provide a new technology approach
本文論述的基於互感變化的硅加速度計對于填補國內硅加速度計空白,增強武器的突防能力,提高慣導系統的精確性是非常重要的,同時為開發大量程加速度計提供了新的技術途徑。In this system two oscillator are used for mixing. pll for high local oscillator and dds + pll for low local oscillator. by making full use of favourable narrow - band tracing filter character of pll and by combining the merits of dds such as super fine frequency resolution, high frequency accuracy, very fast frequency hoping with it, the pll / pll + dds frequency synthesizer presents wide band high quality source and super small frequency hoping step
系統採用兩次混頻,其中高本振的設計採用pll鎖相環頻率合成來實現,充分發揮了鎖相環頻率合成器的優良特性,實現了系統所要求的高質量寬頻帶本振源;低本振採用pll + dds頻率合成來實現,結合pll優良的鎖相特性與dds的高頻率解析度、高頻率精確度等優點,實現了頻率的小步進高精度合成。Then the periodic properties of geocenter motion in the x, y, z components are summarized. considering the statistical precision of the gps observations, the geometrical distribution of gps stations and their physical stablility, a new method to determine the parameters of geocenter motion is studied and analyzed. in order to have a better understanding of its effect on the height datum origin, the rule of geocenter motion in the horizontal and vertical components are also analyzed and some useful conclusions are drawn
提出了將譜分析與抗差估計相結合的抗差譜分析方法,並用該方法分析了地心運動時間序列的主要周期特性;為合理地確定地心運動參數,詳細研究與分析了一種新的定權方法對求解地心運動參數的作用,該方法充分利用了gps觀測量的統計精度、點位的幾何分佈以及物理穩定性;為了明確地心運動導致的高程基準的變化,分析了地心運動對地面點的水平分量和垂直分量的影響規律。After it is applied in a copper smelting converter, every production quota has been obviously improved. blister copper productivity is increased by 6. 0 percent, cold burden input is increased by 7. 8 percent and average converter life - span is improved from 213 to 235 by 10. 3 percent. to improve the intelligent decision support system, an information integration system is developed including management, monitoring and decision - making
為提高智能決策支持系統的信息集成度與決策精確度,研製並建成了集管理、監測和決策於一體的銅鋶吹煉爐信息集成系統並投入使用,從而實現了生產過程決策、生產狀況監測和各類管理的計算機化並獲得了顯著的經濟和社會效益。Many arms originally are high precision products, if we want promote its performance, might further more, we must enhance the dependability and precision of the system, it brings out higher requirements of the designing, machining, specially assembling, all of these needs dimensional chain calculation
許多武器裝備本來就是高精尖產品,如果要進一步提升其性能、威力就必然要提高系統的精確度和可靠性,這些對設計和加工特別是裝配都提出了更高的要求。This paper has built more precision mathematical model for the valve controlled asymmetrical cylinder system based on the simulink simulation flat, then according to actual need and combining self - adaptive control theory, we choose a mathematic model which has good performance to be the reference model of our adaptive control and adopt velocity system of asymmetric cylinder controlled by symmetric valve as controlled device to design the adaptive controller
本文建立了基於simulink模擬平臺上的閥控非對稱缸系統較精確的非線性模型,然後根據對系統提出的性能指標要求,結合自適應理論選取性能良好的數學模型作為自適應控制的參考模型。以閥控非對稱缸速度系統作為被控對象,設計自適應控制系統。The influences of thermal effect of an axis on its design precision were discussed and the temperature distribution of a rotating axis was obtained by the conventional heat transfer equations that needed a complex solving procedure and gave a blurry distribution rule
摘要考慮了熱對提高軸類件設計精度的影響,並通過傳統導熱微分方程法和一般傳熱學理論對主軸在運動時熱分佈進行了分析,指出了傳統熱微分方程解法復雜,從解析式中難以看出溫度分佈規律,運用傳熱學理論解法簡單明? ,結果易於反映各參數關系,精確度較高,實用性強。The project originating from national high technology research development plan ( 863 plan ) is to study a control system of 270 voltages dual - redundancy rare earth permanent magnet ( repm ) brushless dc motor ( bldcm ) based on digital signals processor ( dsp ) in order to realize precise and reliable control for the control actuator of high altitude unmanned airplane
本課題來源於國家高技術研究發展計劃( 863計劃) ,旨在研究基於數字信號處理器( dsp控制器)的舵機用270v高壓雙余度稀土永磁無刷直流電動機控制系統,以實現無人飛行平臺飛控系統的精確可靠控制。Base on the analysis and comparison of the existing measuring methods and the test systems of the mass characteristic parameters for the hslrfo at home and broad, an effective measuring method is developed and a reasonable measuring program is also presented, to improve the measuring precision of the mass characteristic parameter of high - speed long - range flying objects. the 3 - d molding function of ug is used to design the mechanical parts of the test system, and the motion mode and path of the movable mechanical parts is also simulated with the software of ug
本文確立了一種較有效的測量方法,制定了合理的測量方案,設計並製造具有相當測量精確度的質量特性參數測量系統,並結合本測量系統的設計製造的過程,作了如下的分析研究工作:首先,採用ug軟體的三維造型方式,對本測量系統的機械本體部分進行了三維實體建模,並運用該軟體模擬了機械本體部分中可運動部分的運動方式及運動軌跡。Non - invasive sphygmomanometers - part 4 : test procedures to determine the overall system accuracy of automated non - invasive sphygmomanometers
非介入式血壓計.第4部分:自動非介入式血壓計整體系統精確度測定的試驗過程With three assumptions of the conventional effective length approach discarded, a new approach is proposed by which column effective length considering inter - story interaction can be obtained in un - braced two - story or three - story frames
在放棄了傳統計算長度系數法的三個不合理假定后,本文提出了兩層和三層框架失穩時,考慮層間支援的框架柱計算長度的很精確的計算方法。Reasonable selection of a / d and cpu is very important for sharply shortening the period of sampling and holding, a / d conversion, data transmissions, and final calculation
通過合理選配a / d 、 cpu等參數減少採樣保持時間、 a / d轉換時間、數據傳輸時間與cpu計算時間等組成的數據轉換過程的總時延,保證了系統的精確度。The asipp microbeam has brought widespread attention, and has profound and far - reaching signification in bioengineering fields. this thesis mainly focuses on discussing study and implement of the control program for the asipp microbeam. the control program can be divided into three logical modules : microscope stage controller, count of the number of radiated ions and control of the electronic beam shutter, and micro - imaging system
本課題作為實施單粒子束照射細胞系統的一部分,主要任務是通過對asipp微束裝置計算機控制的研究,設計「 asipp微束裝置計算機控制系統」軟體,確保實驗過程中定量輻射的精確度和定位輻射的準確性,實現真正意義上的「定點輻射」和「定量輻射」 。Photometric standards for absorbance are used to check the accuracy of spectrometer systems. the kits consis of a reference and low, medium and high absorbance solutions
吸光光度計標準用於檢查分光計系統的精確性。其配件包含一個參照標準和低、中、高吸光率的溶液。Occasional requests are received for statistics not readily available from standard tabulations. these are also entertained at a charge subject to the level of analysis permissible having regard to considerations of statistical precision and data confidentiality
有時候,已編制的標準統計表未必備有使用者要求提供的數據,如遇上這情況,本處會考慮有關統計數據的精確度及個別資料保密規定所容許的分析層次來提供有關資料,並收取所需費用。Auto - test system of high speed, real precision, multi parameter and abundant function is the production of electronic - test technology, automation and the science of computer
高速度、高精確度、多參數、多功能的自動測試系統,是電子測量技術與自動控制和計算機科學密切結合的成果。And being based on the fea model, the distribution of strain and stress on the system are computed to analyze its structure intensity and rigidity properties. the research of the structure - statics gives out some rules to direct the design optimization of the thbip - i
論文首先研究建立了thbip -仿人機器人系統的精確彈性動力學有限元分析模型,並在此基礎上進行結構靜力學分析,研究各部件應力、應變分佈狀況,分析其強度和剛性等力學性能,提出thbip -結構優化初步措施,為結構優化設計提供理論依據。Application of statistics - accuracy trueness and precision of measurement methods and results - part 3 : intermediate measures of the precision of a standard measurement method
統計學的應用.測量方法和測量結果的精確性.第3部分;標準測量方法精確度的間歇性測量分享友人