heading method 中文意思是什麼

heading method 解釋
頂鐓法
  • heading : n 1 標題,題名;題詞,信紙上端所印文字。2 斬首;(魚)去頭;(植物的)打尖,摘心。3 【建築】露頭...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. Study of error compensation method for magnetic heading measurement system

    磁航向測量系統誤差修正方法研究
  2. Plant samples above ground were taken respectively at seedling stage, maximum tillering stage, full heading stage and full ripe stage for n, p, k, si content analysis carried out according to " routine analysis method for soil agro - chemistry "

    在苗期、最大分蘗期、齊穗期和完熟期分別採取地上部分植株樣本,按照「土壤農化常規分析法」化驗氮、磷、鉀、硅含量。
  3. An effective method for controlling outburst in heading face in laoyingshan coal mine

    老鷹山煤礦掘進工作面防治突出的有效方法
  4. The thesis analyse the error and the feasibility of the system. because the precision of position and direction is related with the precision of the heading and the distance, the thesis discuss the method of obtaining the distance using milemeter, water milemeten engine ' s rotate speed and accelerometer, and the method of obtaining the heading using the combination of the gyrocompass and the digital compass. then the thesis introduce the details of the system realization, include the hardware and the software

    由於航位推算的精度與航程和航向的精度直接相關,因此,論文討論了用里程計、水速表、引擎轉速或加速度計等獲取里程的方法,用航向保持器和數字磁羅盤組合的方法獲取航向角的方法(初始尋北由數字磁羅盤來完成) ,這為採用數據融合方法提高航程和航向精度打下了基礎。
  5. Using fem ( finite element method ), the paper makes mechanical analyses on bench cut method and side heading method, it also makes mechanical analyses on some auxiliary construction methods, such as big pipe - roof protection, horizontal roll - spraying, big and small angle pipe - roof protection and surface grouting

    論文採用有限元的分析方法,主要對臺階法、側壁導坑法進行了力學分析,也選擇了大管棚法、水平旋噴法、大小外插角管棚法和地表注漿加固四種輔助工法進行力學分析。
  6. This method has the advantages of no need of dismantling the cutterhead at heading face place, no need of setting up vertical shaft or operation corridor, less construction difficulty, quick reparation and low cost

    該方法無需在掘進面拆解刀盤、建豎井或工作廊道,施工難度小,修復速度快,費用低。
  7. At first, the theory of the strap - down attitude heading reference system is presented and the architecture and algorithm selections are done according to require for low cost. then, the feature and application methods of the new type microprocessor - dsp are explicated, and the design method for dsp and peripheral circuit and the development method for ahrs software are discussed

    文中首先討論了捷聯航姿系統的原理,並根據低成本的要求確定捷聯航姿系統模型和演算法,接著分析了dsp這種新型微處理器的特點和應用萬法,討論了dsp及其外圍電路的設計方法與航姿軟體的開發方法。
  8. The method that increases the attitude accuracy of strapdown inertial attitude and heading reference system ( siahrs ) with the infromation from inertial measurement unit ( imu ) its own is studied. according to the design idea of damping network in platform type, damping kalman filter in siahrs is designed to enhance the attitude accuracy via integrating attitude calculated by common siahrs and that estimated by accelerometers. in order to evaluate the effectiveness of damping attitude, the vehicle ' s movement should be detected in real - time. for this reason, the state chi - square test is employed in the damping kalman filter, and the failure detection vector are tested, which improves the sensitivity and reliability of failure detection. finally, static and dynamic experiments of actual system demonstrate the effectiveness of the proposed method

    本文探討了如何利用慣性測量組合本身的信息來提高捷聯航姿系統的姿態精度.根據平臺式阻尼網路的思想,設計了捷聯式內阻尼卡爾曼濾波器,將慣導系統捷聯解算獲得的姿態與加速度計估計的姿態進行組合,在系統非加速度狀態下,提高了姿態輸出的精度.為了實時監測系統的運動狀態從而判斷內阻尼姿態的有效性,本文成功將狀態2檢驗法應用在內阻尼卡爾曼濾波器中,設計了基於2個狀態傳播器的故障監測器,並通過對故障檢測向量元素的檢驗代替對整個向量的檢驗,提高了故障監測的靈敏度和可靠性.最後,實際系統的動靜態實驗驗證了本文所提出的方法的有效性
  9. A design of digital magnetic heading system and a new method of compass compensation

    一種數字磁航向系統的設計及羅差校正新方法
  10. Standard test method for shear testing of aluminum and aluminum - alloy rivets and cold - heading wire and rods

    鋁和鋁合金鉚釘及冷鐓頭絲與棒材的剪切試驗的標準試驗方法
  11. Combining the study characteristic and the current construction method of the bi - arch tunnel in domastic and aboard, the paper deeply study the three heading construction method and the benching tunneling construction method

    結合目前國內外對雙連拱隧道的研究特點以及國內外對雙連拱隧道施工方法的現狀,本文針對三導坑法和上下臺階法進行了較為深入的研究工作。
  12. Traditional inertial mechanized - platform uses velocities to damp the system attitude to improve the precision of attitude, when the system acceleration is small. referring to the idea, this paper designeda damp kalman filter in strap - down attitude heading reference system ( ahrs ). the new method makes use of 3 - d accelerometer ' s measurements to estimate the system attitude, which is measured to compensate attitude errors. because the acceleration affected the precision of fiher directly, the fuzzy adaptive system was presented. the fuzzy logic inputs are three accelerations and the output is to control the measurement noise covariance matrix. simulations and experimental results prove that the damp algorithm can damp most of schuler oscillation and foucauh oscillation, so that to assure the filter convergence and efficiently improve the precision of strap - down ahrs

    在系統機動性不強的情況下,傳統的平臺內阻尼演算法將系統本身的速度信息通過阻尼網路加到系統中,達到提高姿態角精度的目的.將這種平臺內阻尼的思想引入到捷聯慣性航姿系統中,在系統加速度較小的情況下,利用加速度計的輸出估計系統姿態角,通過卡爾曼濾波的形式補償系統姿態誤差.由於加速度的大小直接影響濾波器精度,本文設計了模糊自適應卡爾曼濾波演算法,根據三軸加速度計的輸出調整內阻尼量測誤差方差陣,從而避免了濾波器的發散.模擬和實驗驗證,內阻尼演算法可明顯抑制舒勒周期振蕩和傅科周期振蕩,避免了系統姿態漂移,有效提高了捷聯慣性航姿系統的精度
  13. In this thesis fuzzy control method is applied to dp system. it has solved the problems such as accurate position - keeping, searching for most favorable heading ( mfh ), auto area keeping control, and has acquired satisfied control effect

    本文將模糊控制應用於船舶動力定位系統,解決了定點定位、艏向尋優,區域保持等問題,取得了令人滿意的效果。
  14. The paper introduces the progress and the statue quo of tunnel portal construction, discusses the condition to employ full face method, bench cut method, single side heading method and double sides heading method of portal construction, points out advantages and disadvantages of these methods. the order to adopt these methods of single track, double track and tri - track tunnel in shallow - depth, uneven pressure and incompact ground is also advised after compare

    討論了全斷面法、臺階法、單側壁導坑法和雙側壁導坑法在隧道洞口段施工中的使用條件和優缺點,對這四種施工方法從各個方面進行了比選,提出了單線、雙線和三線隧道的洞口段處于淺埋、偏壓、鬆散的地層中時各種施工方法選擇的先後順序。
  15. The method to correct the declination error of uav geomagnetic heading with gps and igrf is proposed, by means of which the true heading of the craft can be obtained with magnetic sensor in global scope

    提出了基於gps ( globalpositionsystem )和igrf ( internationalgeomagneticreferencefield )的無人機磁航向地磁偏角修正方案,使無人機能夠在全球范圍內利用磁傳感器獲得子午線航向。
  16. Based on the numerical simulation, it can be concluded that the three heading construction method with the tunnel close to the mountain tunneled first should be chosen in the construction of the multi - arch loess tunnel

    計算結果表明對于偏壓黃土連拱隨道應採用先開挖靠山一側的側壁導洞法進行施工。
  17. Considering the actual condition of this tunnel, several key mechanical problems involved in the construction of the tunnel have been studied : the comparison of three - heading construction method and benching tunneling method, and the construction sequence of the two tunnels is carried out

    本文結合該工程實際,進行黃土連拱隧道的關鍵施工力學問題研究:正洞上下臺階法與側壁導洞法施工方案比較研究;先左洞(靠山一側)施工方案和先右洞施工方案的對比。
  18. Heading and stall method

    房柱式開采法
  19. Abstract : through analyzing the cutting line spacing of heading machine cutting head, a new method of determing cutting line spacing is put forward

    文摘:通過對掘進機截割頭截線間距的分析,提出一種確定截線間距的新方法。
  20. Exploring on construction technique of continuous - arched tunnel without using central heading method

    連拱隧道無中導洞施工技術探討
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