法向加速度 的英文怎麼說

中文拼音 [xiàngjiā]
法向加速度 英文
acceleration normal
  • : 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...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. The measured tangential force, tangential inertial force and normal vibration acceleration are decomposed using a discrete wavelet transform. the relation among these three dynamics state variables is investigated

    利用小波變換技術對測量的切力、切慣性力和振動進行分解,對這些動力學變量之間的相互關系進行了深層次的研究。
  2. According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics

    摘要根據履帶式車輛的運動特點,運用數力學中矢量分析理論和方,推導了接地比壓為線性分佈時履帶式車輛在斜坡上轉時,瞬時轉中心偏移量與車輛重心位置、轉半徑、行進、車輛方位相互關系的計算公式。
  3. Bidirectional acceleration airbag control algorithm and its anti - road agitation characteristics

    合成氣袋控制演算及其抗路面干擾特性
  4. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方的靈敏大致相同,敏感元件採用高對稱的四梁結構,其中每個軸上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與成正比的電壓信號。
  5. 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

    由於航位推算的精與航程和航的精直接相關,因此,論文討論了用里程計、水表、引擎轉計等獲取里程的方,用航保持器和數字磁羅盤組合的方獲取航角的方(初始尋北由數字磁羅盤來完成) ,這為採用數據融合方提高航程和航打下了基礎。
  6. The main research work of the thesis is summarized as follows : 1. the improved fuzzy logic control method the phenomenon of steady - state errors and flutter exists in the traditional fuzzy controller. an improved fuzzy controller without quantilizing is presented

    地形跟隨飛行控制律設計針對某型飛機應用控制航跡角和控製法向加速度對不同的反饋信號分別設計了pi控制器和模糊控制器,並做了模擬比較與魯棒性驗證。
  7. In the full of research, the thesis constructed the dynamic equations of the simplified model, then programmed and computed the feedback gains using lqr method. moreover, the thesis plotted pictures of displacement, velocity, acceleration, bend and shearing force of ship ' s head and middle part in the condition of using cable and not using cable

    在研究工作中,首先對船舶的簡化模型建立了動力學方程,然後採用線性二次型最優控制方,編寫程序並計算出船體垂振動固有頻率和最優反饋矩陣,得到控制前後船艏以及船舯部的位移、、彎矩和剪力歷程圖。
  8. A discretization equation is derived by using a finite volume method in three - dimensional cylindrical polar coordinate system. algebraic equations are solved by iteration with a line - by - line method that is a combination of tdma in axial and radial directions, ctdma in tangential direction and adi method in three directions. the pressure and velocity coupling are solved with the simple algorithm

    在三維圓柱坐標下,利用有限體積推導離散方程;在軸與徑用三對角矩陣( tdma ) ,在周採用循環三對角矩陣( ctdma ) ,採用交替方亞鬆弛疊代( adi )求解方程;推導同位網格下的壓力修正方程,用simple演算處理與壓力的耦合;為收斂,採用適當的鬆弛因子。
  9. As far as the same type of the igniting delay - time cannulation is concerned, there are two main important factors that affect its dynamic delay - time in conclusion : one is the length of the igniting delay - time cannulation ; the other is kinetic and directing at burning surface of igniting delay - tune cannulation inner acceleration

    對于同一種類型的點火延期管,影響其動態延期時間的因素主要集中在兩個方面上:一是點火延期管的長,一是點火延期管燃燒表面的內法向加速度
  10. In the paper, based on the method of low pair replacing with high pair, the problem of cam design was transferred to that of linkage design. by means of rotary unit vectors, the equations of displacement, velocity and acceleration of the replacement mechanisms were developed. and then, the virtual linkage ' s length and direction were deduced

    論文基於高副低代原理,將平面凸輪機構設計與再現函數的平面連桿機構設計統一為同一種方,運用圓量函數建立代換機構的位移、矢量方程式,求取虛擬連桿桿長和方,由此展開凸輪理論廓線、實際廓線、曲率半徑和壓力角的求解,並得出用圓形刀具工凸輪時刀具中心的軌跡方程。
  11. To avoid collision with static and dynamic obstacles, the magnitude and direction of the acceleration of mobile robot was adjusted dynamically in real time based on the relative acceleration information

    相對坐標系中,採用包含相對信息的避碰演算,通過動態實時地調整機器人的大小和方,使其避開障礙物。
  12. ( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope

    (三)採用模態疊針對爆破動力作用,進行邊坡的動力響應分析,得出了以下結論: ( 1 )振動頻率為0 . 3hz時,坡面頂部水平峰值最大;綜合考慮,可認為該邊坡的自振頻率為0 . 3hz左右; ( 2 )地形對爆破地振動存在放大作用,研究剖面的坡面,水平及位移在地形相對高差45米左右最大,而後隨相對高差的增高而減小,相對高差為100米時,水平位移及絕對值均大於坡腳; ( 3 )強迫振動段,水平值隨時間變化的規律為:坡頂節點總的變化趨勢是越來越大,而坡體中部節點的變化趨勢是越來越小; ( 4 )當爆破振較小時,變形破壞的形式表現為坡頂表面滑塌型。
  13. 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.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計估計的姿態進行組合,在系統非狀態下,提高了姿態輸出的精.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,並通過對故障檢測量元素的檢驗代替對整個量的檢驗,提高了故障監測的靈敏和可靠性.最後,實際系統的動靜態實驗驗證了本文所提出的方的有效性
  14. Using method of sumt and powell, the thesis carries out optimization design for air rocket with double - push accelerated velocity and spin - rate regularity, which dramatically decreases air rocket dispersion. in the end, some valuable conclusions are achieved for application

    綜合利用雙推力,轉規律,同時採用內點罰函數和powell共軛方,對航空火箭彈的主要參數進行優化設計,實現了大幅減小航空火箭彈散布的目的,得到了一些有應用價值的結論。
  15. The strip method often used in engineering will be used to predict the pitch ^ heave and acceleration of ship

    本文利用工程中常用的切片來預報船的縱搖、升沉、以及船的某些部位的垂
  16. The solutions of maximum measurement range and the methods to increase the measurement are given in the condition of stable state and the restricted parameters. how to compensate dynamic performance of servo - system and the analysis of response of system in different inputs are given, too. in this paper the movement equations of the seismic mass of inertial sensor are derived by the known models of the accelerometer

    主要包括:敏感質量偏心距、橫干擾和外偏壓對傳感器穩定性的影響,給出穩定和參數受限條件下最大量程的求解以及提高量程的方,研究如何補償伺服系統動態性能,以及不同輸入條件下系統響應的分析。
  17. The author replaces the old polynomial motion model ca with a new nonlinear motion model further improving current statistical model, and the results are of better performance on tracking target

    作者用一種具有恆和恆切的非線性的運動模型了進一步完善了「當前」統計模型,使濾波器對航跡的跟蹤性能大大提高了。
  18. If the target has a radial acceleration, conventional 2d - fft based data processing method will lead to a doppler spread in doppler domain. the high resolution of doppler domain due to coherent integration no longer holds, which is very important in target detection of othr

    常規的二維fft處理在處理機動目標時往往由於目標存在徑而會在多普勒域造成多普勒擴展,從而無應用相干積累帶來的多普勒域的高分辨力完成對目標的檢測。
  19. The numerical results show that the horizontal variation of response acceleration of gravity retaining wall is quite small since its lateral rigidity is large enough, the response at a given height level can be considered as the same, the maximum accelerations at different heights on the central vertical line can describe the distribution of earthquake load along the wall height in static analysis very well

    數值結果顯示,重力式擋土結構剛很大,地震反應在水平方差異很小,可看作是同步的,可取中心線上各點最大來描述靜力中地震作用沿高的變化規律。在沿墻高分佈不是呈直線變化,比較復雜,總的變化趨勢大體一致。
  20. 5. aiming at the specific mission that intercept the warhead of tactical ballistic missile, the new issue for designing the guidance law is analyzed, and a new guidance method that fit for the mid - course is presented, based on the idea of predicting the intercept point. to design a feasible terminal guidance law, the shortcoming existing in the proportional navigation when intercepting the warhead is firstly

    針對攔截戰術彈道導彈這一特殊任務,分析了導引律設計面臨的新問題,提出了以預測攔截命中點為思想的中制導段導引方,研究了末制導段比例導引律彈道形狀和過載分佈特點,在此基礎上為了改善比例導引律的缺陷,引入了目摘『要標機動和導彈軸等信息、 ,又寸比例導引律進行了修正,井對導引律中各參數進行了優化。
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