零加速度 的英文怎麼說
中文拼音 [língjiāsùdù]
零加速度
英文
zero acceleration-
First we calibrate the accelerometers on dividing head to get the offset and sensitivity, then do the rotation experiments on centrifugal machine and rotating floor
首先在分度頭上標定加速度計，得到其零點和靈敏度，然後分別在離心機和轉臺上進行轉速實驗。Statics treats of special cases in which the acceleration is zero, and kinematics deals with motion only.
靜力學是研究加速度為零的特殊情況，而運動學只討論物體的運動。Based on the mathematical model developed by the paper, the trim calculations are carried out in the conditions that the example aircraft converts from helicopter to airplane mode in level flight with zero longitudinal acceleration and angular rate
本文依據所建立的樣例機縱向動力學模型，假定飛機在給定高度平飛，縱向加速度和角加速度均為零，完成過渡模式下的動力學配平。The precious method to simulate earthquake accelerations is not perfect because the points on the interface still move according to the simulated acceleration when the points " motion ends, which is obviously a paradox. if the points " velocity is not zeroized, soil ' s damage value based on shear stress ' s peaks or extrema is overestimated in multi - point input analysis. the new method ' s rationality is analyzed
以往人工合成的地震波在地震結束時即地震加速度恆為零時速度不為零，這與合成地震動是「模擬輸入點從靜止到運動再到靜止的運動過程」這一要求不一致，同時導致時域內多點輸入分析時差動力過大以至算出的損傷值過大，於是本文提出了簡易的地震動速度歸零化方法並分析了其合理性。Without this, it seems unlikely that anyone could hang on when a firebolt accelerates from zero to 150 mph in only ten seconds
沒有這些，看起來任何人在火弩箭十秒以內將速度從零加速到時速150英里卻還能騎在上面是不可思議的。The theory of the simulation is that, firstly put fuze and parts in simulation device in reverse, then fire them in high speed by air gun, and they fly into gun spinning quickly and impact cushion and brass block in it, negative acceleration because of impact is to simulate setback, meanwhile they spin with spin gun when impacting, so spin environment can be simulated, so the simulation system can stimulate setback and spin of fuze in fire
該模擬系統的原理是將引信及其零部件倒置在模擬彈丸中，通過空氣炮以高速發射出去，然後飛入高速旋轉的旋轉管內，與旋轉管內的緩沖塊和黃銅塊碰撞，碰撞而形成的負加速度作為引信發射時受到的后坐，由於碰撞時與旋轉管一起旋轉，模擬引信發射時的旋轉環境，達到模擬引信發射后坐與旋轉環境的目的。Seraphim engineering co., electronic component distributor solution provider - camera - accelerometer sensor
幸賀股份有限公司，電子零件經銷解決方案提供. -相機-直線加速度計Seraphim engineering co., electronic component distributor solution provider - computer - accelerometer sensor
幸賀股份有限公司，電子零件經銷解決方案提供. -電腦-直線加速度計Seraphim engineering co., electronic component distributor solution provider - mobile phone - accelerometer sensor
幸賀股份有限公司，電子零件經銷解決方案提供. -手機-直線加速度計Seraphim engineering co., electronic component distributor solution provider - medical care - accelerometer sensor
幸賀股份有限公司，電子零件經銷解決方案提供. -醫療器材-直線加速度計Seraphim engineering co., electronic component distributor solution provider - digital home - accelerometer sensor
幸賀股份有限公司，電子零件經銷解決方案提供. -數位家庭-直線加速度計A method of reduce zeroshift of piezoelectric accelerometers
減小壓電式加速度計零漂的一種方法A batch least - squares maximum likelihood estimator is employed to calibrate the model coefficients of accelerometer and a polynomial post - fit method is used to establish temperature models of these coefficients. the temperature models of accelerometer bias and scale factor of accelerometer are established between - 20oc and 50 oc. after compensating the temperature error by using these models, the post - fit residuals of the accelerometer output have been improved to 10 ? 5 g, and the trend term of accelerometer changing with temperature basically vanished
採用最小二乘極大似然估計和多項式擬合的方法，分析加速度計靜態模型系數隨加速度計殼體溫度變化的規律，建立了- 20oc 50oc之間加速度計零偏和標度因數誤差的溫度模型，應用該模型對加速度計溫度干擾進行補償，補償后，加速度計輸出的擬合均方根誤差一到二個數量級，並且基本上消除了加速度計輸出隨溫度變化的趨勢項，使得加速度計測量精度得到了明顯提高。( 6 ) the analysis on singularity configurations of the manipulator were investigated by the singular value decomposition of jacobian matrix, which was treated with the damped least - square method in the motion. from the results obtained it was indicated that the minimum singular value of manipulator calculated by the damping jacobian matrix were far from zero position. velocity, position and accelerate of all the joints of manipulator moved regularly, consequently the problem that the joint of mani
（ 6 ）通過雅可比矩陣奇異值分解進行番茄收獲機械手奇異性分析，並採用阻尼最小二乘法對機械手運動中的奇異位形進行處理，使番茄收獲機械手最小奇異值遠離零點，各關節運動速度、位置和加速度運動無異常波動，解決了機械手在奇異位形處某些關節運動無法控制的問題。Based on the self - consistent nonlinear theory of complex cavity gyrotron with gradual transition, a simulation code of self - consistent nonlinear beam - wave interaction has been made, in which the multiple modes interaction with an electron beam and the mode coupling are taken into account. the interaction between the electron beam and hsn - h521 rf field for third - harmonic gyrotron is simulated. the influences of the thickness and the velocity spread and the velocity ratio of the electron beam and the fluctuation of the magnetic field and the technologic errors of complex cavity on the multi - modes interaction with an electron beam are analyzed
二、在漸變復合腔迴旋管多模自洽非線性理論的基礎上，編制了高次諧波漸變復合腔迴旋管多模注?波互作用自洽非線性模擬軟體，並對8mm波段三次諧波漸變結構復合腔迴旋管的注? ?波互作用進行了大量的自洽非線性數值模擬計算與研究，進而分析了電子注的厚度、速度零散、速度比值、磁場波動、腔體尺寸的加工誤差等等多種因素對互作用效率的影響。( 1 ) in view of practice that the data obtained from accelerometer has serious zero deviation, it is very difficult to diagnosis fault by hardware redundant. a fault diagnosis scheme for multi - accelerometers employing predictor based on radial basis function ( rbf ) neural network is proposed
論文的主要創新成果有： （ 1 ）在擺式列車實際運行中，檢測子系統的加速度傳感器存在嚴重零偏，使用硬體冗餘法進行故障診斷的設計初衷面臨著巨大的困難。The results indicate that : with sa, the position precision of the integrated system, whose gyro drifting is 50 degree / hour and whose accelerator offset is 0. 001g, is 60 meters, its velocity precision is about 1. 75m / s out and its attitude angle precision is about 0. 25 degree. without sa, the position precision is about 20 meters, its velocity precision is about 0. 5m / s and its attitude angle precision is about 0. 1 degree. when the signal of gps is lost, the growing rate of the integrated system error is much lower than that of sins system
模擬結果表明：對于陀螺漂移為50度/小時、加速度計零偏為0 . 001g的組合系統，在有sa的情況下，位置精度大約為60米，速度精度大約為1 . 75米/秒，姿態角精度大約為0 . 25度；在無sa的情況下，位置精度大約為20米，速度精度大約為0 . 5米/秒，姿態角精度大約為0 . 1度；在gps信號丟失時，系統誤差的增長速度比純sins系統明顯減緩。Scheme of monitor unit of rotational velocity, rotational acceleration and zero rotational velocity
轉加速度和零轉速度監測單元的設計On the basis of deep research of its working principal, basic algorithm and error spread character, the gyro constant drift, acceleration zero error and constant initiation error of static pedestal strapdown inertial navigation system are quantitatively analyzed. furthermore with the medium precision inertial navigation device as the simulation object, we made some mathematical simulation
詳細研究了捷聯式慣性導航系統的工作原理、基本演算法和誤差傳播特性；對靜基座條件下捷聯慣導系統中陀螺常值漂移、加速度計常值零位誤差和常值初始條件誤差引起的系統誤差進行了定量分析；以中等精度的慣性器件構成捷聯慣導系統作為模擬對象，進行了數字模擬。The analysis is focused on the acceleration influence on burn rate of the grain when the solid rocket motor is working under lateral overload. the simple model of burn rate in acceleration field is established. moving laws of burn surface for two different grain type srms are respectively derived, on the base of which zero dimension and one dimension quasi - steady internal ballistic simulation models are established
分析了橫向過載對固體推進劑燃速的影響，建立了橫向加速度場中的簡化燃速模型，推導了兩種不同藥型的燃面退移規律，在此基礎上進行了零維、一維準定常內彈道計算與分析，建立了固體火箭發動機內流場三維兩相流模型。分享友人