精確統計法 的英文怎麼說
中文拼音 [jīngquètǒngjìfǎ]
精確統計法
英文
exact statistical method- 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
- 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...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 精確 : accurate; exact; precise
- 統計 : 1 (對有關數據的搜集、整理、計算和分析) statistics; census; numerical statement; vital statistic...
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In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements
本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象,選擇對斷開點和節臂球銷的位置進行優化設計,在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學模型,運用該學科的運動學分析方法研究機構的運動規律,編制了通用優化設計軟體。由於考慮了更多的空間因素,取消許多影響準確性的假設,因此建立的數學模型與傳統的方法相比更能反映實際運動規律,得到的優化結果也更加精確實用。此外,本文還針對導向機構進行受力分析,在建立該機構的空間動力學模型后,運用多體動力學中的動力學分析方法研究各個桿件的受力,計算出上下球鉸的約束反力,並開發出了相應的通用計算程序。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。Objective to help the hospitals at all levels in china to realize imrt by adding the accurate location equipments and tps based on the existing general radiation therapy from research of the new method for static intensity - modulated radiation therapy
摘要目的:通過靜態調強放射新方法的研究,使得各級醫院能利用現有普通放療設備,通過增加精確定位設備和計算機放射治療計劃系統,開展靜態調強放射治療。( 2 ) according to the advantages and disadvantages of plural information, the author analysed suited conditions and ranges of different predictable models. confirmed the mathematic model to be adopted in the studied areas. practice indicating : algebraic method can be used in those area where study degree is very lower. ( 3 ) author studied the mineralize prediction model of plural information based on cis, discussed the applications of different mathematic models, and also solved inaccurate which analysed only by normal maps in the past
實踐表明,代數疊加法比較適合於地質研究程度較低的地區; ( 3 )研究基於gis的多元信息成礦預測模型,探討基於不同數學模型之上的成礦預測適用條件和范圍,解決了以往傳統方法中僅通過紙質地圖進行簡單分析的不精確性; ( 4 )通過對研究區成礦有利區預測成果的級別劃分,提出用結果分佈統計圖輔助分段的方法對結果值進行分段。Second, it presents the project design of an astronauts ’ kinetic measurement system that can precisely measure the forces and moments of key points on motorial person. it presents a principle and flow of the project design of an astronauts ’ kinetic measurement system. and it particularly discusses the demarcate of camera system, the gathering and storage of experiment pictures, pick - up of the symbol data, the parameter calculating method of target movement, and the general design of assistant equipment
然後給出航天員作用力測量實驗系統的設計方案,該系統能夠克服重力影響,較精確地得出運動時人體各關鍵點產生的力和力矩;給出了航天員運動參數測量實驗系統的原理及流程,並詳細論述了攝像系統標定,實驗圖像的採集與存儲,標志點數據的提取及目標運動參數解算的方法;給出了輔助設備的概要設計。The method of the model retrieval breaks down the traditional population density statistics method according to the administrative area boundary and changes to evenly distributed and same size grid units to compute the population density. it enriches the methods to obtain the population density indexes and increases the accurate degree and application fields of the indexes. so, it will benefit to the decision process of the population and economic policy, benefit to the sustainable development of regions
這種模型反演的方法,突破了傳統的按行政區界線統計人口密度的方法,改為按照均勻分佈、規則大小的格點單元來計算人口密度,豐富了獲取人口密度指標的方法,提高了人口密度指標的精確程度和應用范圍,將有利於人口、經濟政策的決策過程,有利於區域可持續發展。2. the software of measuring the areas of 2d - materials could exactly count the leaf area. the correlation coefficient of leaf area measured by traditional copy method and scanning method was significant high ( r = 0. 997l )
2 、該軟體能夠快速精確的測定葉片面積,計算機掃描法與傳統的復印稱重法測定植物葉面積的相關系數r為0 . 9971 ,達極顯著水平。An idea, simulating the fuzzy model by establishing the fuzzy model and fuzzy control rule of the controlled object is proposed. generally, it is difficult to acquire the accurate mathematical description of the controlled object. a dynamic modulating factor is introduced in the designing of the fuzzy controller so as to improve the precision of the fuzzy control. and a more convenient defuzzify calculation method is adopted. the cart and the single inverted pendulum are taken so as to illustrate the simulation result. in addition, the detailed qualitative analysis of the fuzzy system is achieved. a kind of common method of qualitative analysis is proposed. it can be used to analyse the fuzzy system and describe the behavior of the system state precisely in the phase plane. the simulating results illustrated the method is feasible and available
提出了在難以精確描述控制對象數學模型的情況下,通過建立控制對象的模糊模型來確定系統的模糊控制規則,並對模糊系統進行模擬分析的思想.利用連續系統定性分析的思想,提出一種對模糊系統進行定性分析的可行方法,在相平面內較為準確地刻畫模糊系統的動態行為.在模糊控制器的設計中,引入動態調節因子來提高模糊控制的精度,並採用了一種便於實際運算操作的解模糊運算方法.在一種簡單的控制對象情況下進行了具體的模擬計算,得到較理想的控制效果.此外對具有精確數學模型的一級倒立擺系統進行此種模糊控制,亦取得很好的模擬結果On this base, a more precise volume model of concrete is established and one conception of dry mortar volume is brought forward. at the same time the author absorbed the concept of the best ratio between paste and aggregates and used mathematical method to induce the formulas of water content and ratio between fine aggregate and coarse aggregate in concrete : ratio between fine aggregate and coarse aggregate : if the two formulas are connected with the classical rule of water cementitious materials ratio ( bolmy formula ), the contents of all materials in concrete can be determined completely by calculation and overall calculation proportioning is realized
在此基礎上建立了普遍適用的更精確的混凝土體積模型,提出了「干砂漿體積」概念,同時吸收國外關于最佳漿集比概念,用數學方法推導建立了混凝土用水量和砂率的計算公式:用水量公式:砂率公式:這兩個公式結合傳統的水膠比定則(保羅米公式) ,即可全面定量地確定混凝土的所有組成材料的用量,實現混凝土的全計算配合比設計。Ibam ( intelligent battery monitor ) is an advanced battery monitor for laptops, which uses statistical and adaptive linear methods to provide accurate estimations of minutes of battery left or of the time needed until full recharge
是為筆記本電腦提供的一個高級電池監視器,它使用統計信息和自適應線性方法來精確估計電池所剩電量的分鐘數,以及還需要多長時間可以允滿電。Ibam - ibam ( intelligent battery monitor ) is an advanced battery monitor for laptops, which uses statistical and adaptive linear methods to provide accurate estimations of minutes of battery left or of the time needed until full recharge
是為筆記本電腦提供的一個高級電池監視器,它使用統計信息和自適應線性方法來精確估計電池所剩電量的分鐘數,以及還需要多長時間可以允滿電。And a novel method is applied to calculate the precise ber caused by multiple user interference
並利用了一種新的組合方法精確地計算出採用雙光硬限幅器的ocdma系統因多用戶干擾而引入的ber 。Firstly, the study of real two - channel data recorded by the airborne battlefield radar is made based on the methods of gmti, which including the study of methods of two - channel equilibrium, that of the precious estimate of beam scanning angle, that of the doppler center, that of the compensation for pattern error and that of gmti and that of location of the moving target using the phase - comparison mono - pulse method
首先,結合動目標檢測方法,對機載遠程戰場偵察雷達實驗系統錄取的雙通道數據的處理進行了研究。內容包括兩通道均衡方法研究,波束掃描角精確估計方法研究,多普勒中心估計方法研究,方向圖誤差補償方法研究,動目標的檢測和干涉定位方法研究。The present methods for testing the large - scale corpus segmentation have the following faults : a. it is difficult to exactly estimating the variance of population ; b. the sampling quantity is too large to test the corpus segmentation. to solve the given problems, we put forward the testing method based on clustering, which sorts the sample of corpus into many group by clustering them
語料庫分詞質量的評價問題是漢語語料庫的特有問題,已有的簡單隨機抽樣的方法,當語料庫規模變大時,無法精確估計分詞質量評價中語料庫樣本的總體方差,同時,為了保證檢驗的精度,傳統抽樣方法的檢驗費用太高。New markets for renewable hybrid power systems are emerging driven by the growing technique of renewable energy
隨著安裝容量的不斷增大,傳統的經驗設計方法已經不能滿足系統精確設計的需要。The simulation for qpsk shows that the algorithm can estimate the carrier phase and frequency offset accurately and reduce the system ber effectively
結果表明,用該演算法可以精確估計載波相位和頻差,有效地降低系統的誤碼率。And kriging interpolation method as a kind of geo - statistics is an interpolation procedure that minimizes the interpolation errors and gives an accurate estimate of that error
地質統計學中的克里格方法是一種使插補誤差達到最小並且對誤差進行精確估計的插值方法。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。The real - time accurate parameters are then transferred to the stochastic optimal controller by the self - learning system to control the attitude of satellites
學習系統將干擾白噪聲參數的精確估計值傳送至隨機最優控制器以獲得精度優良的控制效果,通過模擬研究表明了方法的有效性。分享友人