推算點 的英文怎麼說

中文拼音 [tuīsuàndiǎn]
推算點 英文
dead-reckoning point
  • : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • 推算 : calculate; reckon; reckoning; prediction; calcu-lating
  1. I have taken impotance to analyze the rallying point of famous product, concrete cost and capability of providing and guarantee in this artical, meanwhile, i have caculated the quantity of concrete needed for the year and got the regression equation with the historic data for drilling footage of eight years and the consuming quantity of oilwell cement by the method of linear regression, and it has very significance for the making of stock contract and the plan of concrete production, i have analyzed the physical distribution of oilwell cement by the transpotation flex and the advantage or disadvantage between direct distribution and distribution to store in this artical, and i have tried to find the balance point of the two distribution ways by the ecnomic analysis and pointd out the conception of economic semidiameter, and come to the conclusion of direct distribution, distribution to store, and subarea of distribution to store at last

    本文對油井水泥供應商在品牌號召力、水泥成本、供應保障能力等方面進行了詳盡分析,並對供應商進行了能力排序;用線性回歸方法從八年鉆井進尺與油井水泥消耗量的歷史數據了當年度油井水泥需求量,得出了回歸方程,這對于油井水泥采購合同的制訂、水泥供應商生產計劃的制訂具有相當重要的意義;從運輸彈性分析出發對油井水泥物流配送進行了研究,對直達配送、入庫配送的優缺進行了詳細的分析,在經濟分析的基礎上力求找到兩種配送方式的均衡,並提出了經濟半徑的概念,得出了直達配送、入庫配送、入庫分區距離等幾項結論。
  2. In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )

    主要研究內容包括:一、總結分析了當前水下導航的常用方法和不足之處,指出基於航位的導航方法,存在著最大的問題就是導航誤差的積累問題,如果沒有修正系統,這種方法很難滿足使用要求;其次指出基於聲學的導航方法,造價昂貴,導航范圍有限,難以滿足自主水下航行器大范圍導航的需求;二、總結了當前水下地形輔助導航的主要技術路線,一是基於地形高程的匹配方法,這是當前研究的重;二是基於地形圖像的匹配方法,由於缺乏良好的圖像傳感器,和可用的海底圖像地圖,目前這種方法還有待研究發展;三、將兩種地形高程匹配的常用方法應用到自主水下航行器上:以相關演法為前提的地形輪廓匹配( tercom )方法和以卡爾曼濾波為基礎的桑迪亞慣性地形輔助導航( sitan )方法,前者演法簡單可靠,但是導航精度不高,後者雖然精度比較高,但存在著演法較為復雜、有可能發散和出現奇異值等問題。
  3. The best scheme was chosen after analysis and comparing and the structure was designed. at same time, the kinematics analysis was conducted, coordinate transformation matrix using d - h method was set up, and the kinematics equation direct solution and inverse solution was deduced, the velocity jacobian matrix was constructed using vector product method, and the values of displacement and velocity of some special point including the wrist point were calculated. secondly, the working space of the robot was analyzed and the axes section of practical working space was drawn

    首先,作者針對機器人的設計要求提出了多個方案,對其進行分析比較,選擇其中最優的方案進行了結構設計;同時進行了運動學分析,用d - h方法建立了坐標變換矩陣,了運動方程的正、逆解;用矢量積法導了速度雅可比矩陣,並計了包括腕在內的一些的位移和速度;然後藉助坐標變換矩陣進行工作空間分析,作出了實際工作空間的軸剖面。
  4. Fundamentally an inertial navigation system is a dead-reckoning system with a very significant characteristic which differentiates it from more conventional dead-reckoning equipment.

    原則上慣性導航系統是一種航行系統,與一般的航行裝置不同,它具有極明顯的特
  5. The paper emphasesd on the following issues : integrating network topology automatic discovery and network performance monitoring into an uniform web environment via activex control technique. constructing a hierarchic network monitor system based on distributed data replication technology via sql server replication function. analysising the relation between network usability, error and discard rate consequently to find out a formula, which can be used to calculating the congestion likelihood and setting the threshold for alerting the congestion situation

    論文重論述了以下幾個問題:採用控制項技術,使網路性能監視、網路拓撲的自動發現集成在統一的web平臺上;運用sqlserver的復制功能,構造一種基於分佈數據復制技術的層次式網路監視系統;對網路利用率、出錯及丟棄百分比信息進行分析,找出它們在擁塞可能性時的量化公式,並應用於閥值設置,以實現對擁塞可能性進行預警;研究分析在不同范圍內的拓撲發現工具及演法,並針對系統需求設計實現一種域內分級式網路拓撲發現演法。
  6. Based on wind speed observation record with drawback, it is proved that the exponent expressing terrain roughness can be calculated according the monthly maximum wind speed records at various height levels. wind characteristics of bridge site are determined by statistical method

    針對橋址區風速觀測記錄的特,證明了利用不同高度處月最大風速記錄地表粗糙度影響系數的可行性,並對通過最小二乘擬合得到的地表粗糙度影響系數進行統計分析,最終確定橋址區風特性。
  7. A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path

    本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討,在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型,導出了一個通用的移動機器人堆積方程,在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型導了速度正解與逆解;使用muir和newman的運動學建模方法,導了移動機器人上及連桿坐標系位姿、速度變換關系矩陣及求解方法;在移動機器人位姿識別方法中結合差速驅動構型對航位法進行了分析:導了一種理論精度較高的航位法,並使用matlab對其與傳統的法在跟蹤圓弧軌跡情況下進行了模擬;最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路,較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題;本論文研究成果已在本實驗室所開發的樣機上得到實現,經過應用與考核證明其中的分析與設計是切實可行的。
  8. Based on the conclusion of organizing into trains and simulating the thoughts of dispatchers in district stations, this paper analyzes the features of time sets of shunting locomotives, constructs the reasonable graph model in the way of making out time sets, and converts it into the problem of graph coloring

    在車流的基礎上,從應用計機模擬區段站調度員思維的角度出發,通過分析車列佔用調車機車時區集合的特,使用劃分時間片的方法建立合適的調車機車安排的圖論模型,將調機運用問題轉化為頂具有加權的圖的k -著色問題。
  9. The horizontally projected distance from the point of the star facet to the edge of the table, relative to the distance between the table edge and the girdle edge

    橫排距離的天星小面的邊緣上表相對地之間的距離表邊緣和肩帶邊緣
  10. The only method to get nox mass flow rate is to know nox concentration in the exhaust and the exhaust mass flow rate. this paper discusses the computational method to get exhaust mass flow rate by carbon / oxygen balance method. besides the traditional computational method, this paper also demonstrates the possibility of applying bp neural network to predict no, emissions from marine diesel engines

    由於大功率船用柴油機本身所固有的體積大、排氣流量大以及測量困難等特,使得排氣中no _ x的質量流量不能直接測量,而只能通過測量no _ x的體積濃度並確定排氣質量流量或體積流量,才能出排氣中no _ x的質量流量。
  11. Main contents for studying of the paper is : ( 1 ) analysing the outcome, characteristic and the problem of the hot water supplydesign second flow method in the europe and the usa. ( 2 ) it is determined that value frequenly of different fixture use in the period of using water high peak. ( 3 ) the relation between the n and the hot watersupply design second flow is got by applying program to computer under the different probablity

    本課題研究的主要內容為: ( 1 )分析對比歐美主要國家熱水設計秒流量計方法的結果、特及存在的問題; ( 2 )根據我國居民生活用熱水特,由用水量標準出各類型水用戶用水高峰期的衛生器具使用概率; ( 3 )編制計機程序,計不同使用概率情況下,給水當量與熱水設計秒流量的關系表; ( 4 )建立熱水設計秒流量q _ g和給水當量n與使用概率p之間的相關關系; ( 5 )繪制《建築給水排水設計規范》中有關熱水設計秒流量計方法的計用圖表。
  12. The probability of being or exceeding a given damage state of buildings by a given ground motion intensity is calculated from the spectral displacement corresponding to the intersecting point of the demand spectrum and the capacity curve, the median value of spectral displacement at which the building reaches the threshold of the damage state and the standard deviation of natural logarithm of spectral displacement of the damage state

    文中,討論了非彈性需求譜的,將現行抗震設計規范中規定的反應譜換得到的彈性需求按對應的譜位移折減,得到非彈性需求譜。依對應的譜位移在四個需求譜上的四個和原,構造了典型建築物的抗力曲線。
  13. Abstract : thermal ignition of black powder and single base powder by an electrically heated wire was experimentally studied. critical igniti on current through the wire and time - to - ignition was measured. temperatures of the wire when ignition of powders occurred were calculated

    文摘:用實驗方法研究了黑火藥和單基發射藥在電熱絲作用下的火問題,測出了實驗條件下兩種藥劑的臨界火電流及火延滯期,並出了火的電熱絲溫度。
  14. The advantages of this system are that the fluxes from the current model are easily obtained, all of the fluxes ( from voltage and current models ) are dc quantities, which are convenient for control and checking, and the system stability is easily analyzed. a further advantage is the avoidance of integration problems

    本系統的優之一是磁通的指令值通過計電流模型而獲得,所有的磁通量(電壓、電流模型)都是直流量,便於控制和檢查,系統的穩定性易於分析,另一個優是利用磁通觀測器可以避免用電壓模型磁通時的積分運問題。
  15. These results would be able to interpret stresses at the welded sections where there are no sensors installed in the evaluation on fatigue damage by using the strain - time history data obtained from the structural health monitoring system

    這些初步成果為利用安裝在橋梁結構健康監測系統上輸出的應變時程數據,對這類焊接構件進行熱應力和準確合理的疲勞損傷評估提供了理論和計基礎。
  16. A data processing technique for compaction curve is proposed from five inspected data to nine, or three data, and application program is developed for compaction curve. in " order to verify xgm method, author went to construction sites to inspect roadbed and collect field data. the optimum compaction curve, maximum dry density are obtained by means of data processing technique, which are good consistent with indoor standard compaction test

    進而研究將5法擴展為9個實驗到3個實驗的多層次優化壓實曲線的數據處理法,提出了由現場干密度最大幹密度的xgm相關干密度法,簡稱xgm法,開發出xgm法應用軟體,繼而研究施工現場壓實檢測數據的優化處理方法。
  17. With the statistical study and analysis of the current model of 10mw base station on whole wireless network of xi " an personal access system, some aspects of processing, wireless side enlang have been calculated. calling lose and phone mode of users decided, and hot saying distributing discussed. based on the mentioned facts and considering the ratio of certain base stations, emphasis is especially placed on figuring out the needed amount of 500mw based stations when services for 250 thousands users are presented. furthermore, the 500mw base stations for 400 thousands scenario users have been obligated and calculated, and the base station controller has been reckoned respectively

    本文通過對「西安固定無線接入系統(即pas系統) 」現有10mw基站組網全網無線側話務模型的統計、分析,計出無線側總的話務量,取定一定的呼損率及用戶話務模型,考慮到無線側熱話務分佈情況,按照一定的基站組控比例關系,計出當前25萬用戶時所需要的500mw基站數量;再按照最終40萬用戶的比例關系並給出一定的預留,計出40萬用戶時所需要的500mw基站數量,同時根據基站數量再出所需要基站控制器的數量。
  18. The approach includes : obtain cutter location points from cutter contact points ; interference pretreatment by convex box of data cloud and reducing check area ; interference detection and tool - position correction based on data cloud

    通過計雲模型的曲率,確定切削步長和行距,採用基於雲的干涉檢查模型,導出干涉處理的解析式,得到了無干涉加工刀軌。
  19. Meanwhile it can serve as reference for government to issue bonds, supervise bonds, implement monetary policy and adjust interest rate. the important issue of the research of yield curve is to discover the quantitative relation between yield to maturity and years to maturity by the analysis of the past trading data so as to calculate the theoretical yield to maturity and predict the forward interest rate of any years to maturity in the future

    研究國債的利率期限結構(國債收益率曲線)重要解決的問題是通過對國債交易的歷史數據的分析,找出國債收益率與到期期限之間的數量關系,從而能夠準確地擬合曲線上任意的理論收益率,並預測出將來任意給定期限的國債所對應的遠期利率。
  20. The important issue of the research of yield curve is to discover the quantitative relation between yield to maturity and years to maturity by the analysis of the past trading data so as to calculate the theoretical yield to maturity and predict the forward interest rate of any years to maturity in the future

    研究國債收益率曲線重要解決的問題是通過對國債交易的歷史數據的分析,找出國債收益率與到期期限之間的數量關系,從而能夠準確地擬合曲線上任意的理論收益率,並預測出將來任意給定期限的國債所對應遠期利率。
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