方向擺動 的英文怎麼說
中文拼音 [fāngxiàngbǎidòng]
方向擺動
英文
directional oscillations-
After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control
在指向反射鏡的擺動控制方面，採用低速性能好的分裝式直流力矩電機作為指向反射鏡的驅動電機，並採用感應同步器作為角度測量元件，運用軸角轉換器ad2s80a進行角度和速度的輸出，採用技術成熟的pid控制方案，進行速度和位置雙閉環控制，以實現指向反射鏡轉動速度的平穩性和位置的精確性。The plunger is forced to undergo a simple harmonic vibration parallel to the direction of the tube.
活塞在平行於長管的方向被迫作合諧擺動。According to the designing plan, the mathematical model of spherical pendulum is more simplified in two aspects, and the results we get has the same form with the mathematical model of simple pendulum. then a rule of kinematical of pendulum in relative coordinate is gotten
本文根據方案中遇到的主要工況將球面擺的數學模型進一步簡化為兩個主運動方向上的擺動的運動微分方程，簡化結果與單擺的數學模型一致，得到了擺錘在相對坐標中擺角的變化規律。Since these theoretical analyses are based on inviscid potential flow theory, theoretical calculation and computational simulation may complement each other. the hydrodynamics and undulating propulsion of specimens were studied using three dimensional computational fluid dynamics ( cfd ) modeling. the cfd analysis using kinematic model of undulatory dorsal / median fin draws a series of conclusions, which include that the body drag increases significantly with the lateral body oscillation ; the body drag is minimum while the start point of
計算結果表明游動過程中的形體阻力隨側向周期性擺動而增大;當背鰭前端位於身體側向最寬處時，形體阻力具有局部最小值，結論與實驗觀測結果相吻合;在實驗觀測的典型運動參數下，波動面的運動方程中的非對稱因素的出現使推進力增大約1 . 10倍。She is as in a field a silken tent at midday when the sunny summer breeze has dried the dew and all its ropes relent, so that in guys it gently sways at ease, and its supporting central cedar pole, that is its pinnacle to heavenward and signifies the sureness of the soul, seems to owe naught to any single cord, but strictly held by none, is loosely bound by countless silken ties of love and thought to everything on earth the compass round, and only by one ' s going slightly taut in the capriciousness of summer air is of the slightest bondage made aware
她如田野中的一頂絲綢帳篷在夏日的中午，微風吹乾了她上面的露珠也吹柔了懸掛的細繩她悠然自得地擺動支撐她的雪松樹干透過她的頂端直上雲霄見證了她靈魂的存在看上去，她不被任何單一的繩索束縛只被無數愛和思想的絲繩牽動沿著指南針方向，聯系萬物在夏日變換無常的微風中只有受到些微的阻礙時她才意識到一絲的牽伴。Established the system of coordinates of roll testing, getting the parameters of equation of tooth face by solving the non - linear equations set ; according to the differential geometry and meshing principle, deduce the curvature parameters of tooth face and tooth profile, and get the parameters of instantaneous contact ellipse. emulate the contact trace and contact area of the working tooth face, and drawing the instantaneous drive ratio error curve
建立了克林貝格擺線齒錐齒輪嚙合分析的對滾模型，通過對非線性方程組的迭代求解，得到齒面方程的各個參數;由微分幾何和切齒嚙合原理推導了齒面上齒廓和齒線方向的曲率參數，得到了瞬時接觸橢圓的參數。根據設計參數和機床調整參數繪制了工作齒面的接觸軌跡和接觸區圖形，並求得了瞬時傳動比的誤差曲線。Generally, the motion of compound pendulum as a whole moving along at any direction in an inertial frame has time dilation effect
一般情況下，無論復擺鐘朝什麼方向運動，都將發生鐘慢效應。The results of studying show that time dilation effect in horizontal motion of compound pendulum is a result of the change in mechanism of dynamics such as acceleration of gravity, such in vertical motion of compound pendulum is due to both the change in mechanism of dynamics and the change in mechanism of kinematics
結果表明，復擺鐘整體沿水平方向運動的鐘慢效應是因為動力學機制發生了變化；而沿垂直方向運動的鐘慢效應，既與動力學機制的變化有關，也與運動學機制的變化有關。This paper discussed effects of ship swaying motion in waves on ship - based cannon firing in terms of ship motion equation and theory of artillery shoot, including influence on shoot distance and direction
摘要從船舶在海浪中運動模型出發，結合炮兵射擊學原理，研究船舶搖擺導致火炮基座運動以及桿臂效應導致子慣導初始對準誤差等因素對火炮射擊的影響，主要針對船載炮射擊在距離與方向的影響進行分析。Bend your left leg and sit back. turn your body to the left, with the toes of your right foot pointing in. open your hands and move them out and down
捋:身體微向右轉，右手向右斜上方輕輕提起，右手掌心向下左手掌心向上，重心后移，兩手向下向後擺動，左手自然折回，左手指根按在右手腕關節處，身體轉正，重心前移，向前弓步。Buffer the analysis of technology kneeling in the way, draw : while landing and buffering, support foot of leg land change, human body power to make accelerated motion stem from hip joint, swing leg, pelvis, wave arm, etc. muscle go cm at charging the constellation, produce the effort backward to the position of application of force moving in opposite directions, through supporting the sub ground of function, is it to horizontal strength of rear, make human body overcome competence apply the brake, make the motive force forward to make
摘要通過途中跑著地緩沖技術的分析，得出：著地緩沖時，不管支撐腿的腳著地變化情況，人體作加速運動的動力來源於髖關節、擺動腿、骨盆、擺臂等肌肉進行收縮時，對相向運動的施力部位產生向後的作用力，通過支撐作用於地面，取得向後方的水平力，從而使人體克服水平制動，取得向前的動力。The hairs flutter in moving water as flags do in moving air, and the way in which they flutter contains information about the direction and speed of the water moving past them
絨毛在水中就像氣流中的旗幟一樣擺動，它們擺動的方式包含著流經它們的水流方向和流速信息。We did some analysis about the relativity between the vibration and the noise of the wheel. after the testing of the first line of guangzhou underground, we found that the existing wheel damper has nothing to do with the noise of wheel less than four thousands hz. compared of different contributions of the tread vibration and the web vibration on sound level of railway noise
在實驗過程中，改進了對車輪的激振方式，利用單擺激振提高了激振力的精度;實驗分析了車輪阻尼器的結構、安裝方式及其動力學參數對車輪阻尼器降噪效果的影響;也分析了車輪振動與噪聲的相關性;現場測試廣州地鐵一號線的噪聲特性，確定了車輪阻尼器所要控制的頻率范圍;對比分析不同激振情況下，踏面徑向振動與輻板軸向振動對噪聲聲壓級的貢獻比例。Op amps. output will swing in the direction that will force the inv - input level to try come closer to the non - inv input level
輸出朝一定方向擺動的運放將強迫反向輸入端的值更接近正向輸入端的值。The cycloid function is used to generate the horizontal and vertical foot trajectory respectively, and a modified cycloid function is used to make the acceleration curve of the joint more smooth and successive, the trajectory and drive moment of each joint is calculated by simulation
使用擺線函數分別產生足的水平和垂直方向的運動軌跡，用修正擺線函數使其加速度進一步平滑、連續，對各關節的運動軌跡和關節驅動力矩進行了模擬。In new state standard < < machining center testing items - accuracy testing > > [ refering to iso / dis10791 ], issued in 1999, the test of straightness accuracy has been changed. now it becomes more scientific and reasonable. in old state standard, the testing of straightness accuracy of kinetic part only focus on vertical and " horizontal plane, and it only includes two linear errors ; but in new state standard, we not only measure those two linear errors, but also measure the errors of pitching, deflecting, and inclining of the kinetic part, so it includes two linear errors and three angle errors
1999年公布的國標《加工中心檢驗條件?精度檢驗》 （參照iso dis10791訂）中，直線度等項的檢測做了更為科學的實質性更改，坐標移動的直線度以由只檢測垂直面和水平面內的兩個平移線值誤差，改為用移動坐標方向之外的另兩個坐標的平移線值誤差和移動部件繞三個坐標軸的俯仰，偏擺和傾斜三個角值誤差綜合表徵。Calm down. alternate wiggling your fins and your tail
冷靜，按相反方向擺動你的鰭和尾巴The act of giving directions or calling somebody to come near is to shake one ' s head with a rush towards the direction or turn the jaw toward the pointed direction
指示方向或叫某人過來的一個常見動作是：頭猛地向所指方向擺動，或下巴指向所指方向。Headgesture : 13456 the act of giving directions or calling somebody to come near is to shake one ' s head with a rush towards the direction or turn the jaw toward the pointed direction
指示方向或叫某人過來的一個常見動作是：頭猛地向所指方向擺動，或下巴指向所指方向。Bad hook always come from a series of wrong action : first, your coax sway toward target direction when down swing, which causes large space between the club and your back and swing through wholly from inside to outside
嚴重的左曲球通常來自一連串的錯誤動作：首先，開始下桿時，髖部過猛地向著目標方向擺動，致使球桿與身後的間隔過大，造成了完全從里到外的揮桿軌跡。分享友人