積加速度 的英文怎麼說
中文拼音 [jījiāsùdù]
積加速度
英文
cumulative acceleration-
In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits
論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念，並以加速度模糊函數為分析工具，詳細討論了加速度對線性相位匹配濾波器的輸出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的約束關系以及線性相位匹配濾波器輸出受加速度影響的容限等問題。Mems ( micro electromechanical system ) has become one of the most rapidly development technologies. along with the rapid development of mems techniques, capacitive sensor is used widely whose capacitance changes small, which has put forward the new request to the measurement technique. the common measure for capacitance measurement is that convert capacitance to voltage, electric current or frequency. the area of polar plate of the capacitor becomes smaller and smaller, and the total capacitance of micro capacitive sensor is usually several pico farad only. as a result, its change amount is smaller
Mems （ microelectromechanicalsystem ）近年來發展最快的技術之一，隨著mems技術的快速發展，電容式加速度計的電容變化變化量越來越小，對檢測技術提出了新的要求。在電容式傳感器中，常用電容檢測電路是將其轉換為電壓、電流或者頻率信號。目前的微型電容傳感器的極板面積變得越來越小，電容總量只有幾個pf ，變化量就更小。Analysing the reasons of floating for objects in the reference system of non - inertia, the paper discusses the relationship between the depth and time, as well as the floating object and its acceleration, these relationships will provide convinient to explain some questions of the hydrostatics
摘要通過分析浮體在非慣性參考系中浮沉的原因，探討浮沉的深度與時間的關系、浮沉體積與加速度的關系，這些關系將給解釋一些流體靜力學問題帶來方便。It has been studied on the mechanism of ci from the view of the interaction among semicircular canal, otolith organ and proprioceptor. but the studies on neurophysiology mechanism are not enough. some scholars think that a great number of 5 - hydroxytryptamine ( 5 - ht ) accumulating in nerve center, which induced by protein disturbance of metabolism resulting from acceleration stimulation, resulted in vestibular illusions
對于科里奧利錯覺的發生機制，目前僅從半規管、耳石器、軀體本體感受器相互作用角度進行了探討，缺乏對其中樞生理機制的研究，有學者認為，加速度作用造成的蛋白質代謝障礙，引起5 -羥色胺在中樞的大量堆積，是造成前庭性錯覺的主要原因。Ketter r. l. and prawel s. p. jr., modern methods of engineering computation, mcgraw - hill, inc., new york, ny. ( 1996 )
洪文政，建築物加速度訊號即時積分系統軟硬體整合應用研究，碩士論文，國立成功大學土木工程研究所，臺南（ 2006 ） 。Theory of getting inertial angular position from linear accelerometer measurements with double integration algorithm is analyzed
分析了使用線加速度計測量慣性角加速度，通過二次積分演算法得到慣性姿態角的原理。Some critics believe sedimentation is growing at a faster rate, which could eventually make the dam unable to contain a flood crest
不過有意見認為，泥沙淤積的速度在加快，並最終會導致大壩無法承受洪峰。In chapter 2, this paper analyzed the performance and the restrictions of detecting accelerating target using traditional fft method at first, and then discussed the relationship of the target, best number, the worst number and the normalized acceleration
本文第二章分析了傳統fft積累檢測演算法對加速目標進行檢測時的性能和局限性，討論了系統應用fft方法對加速目標進行檢測時最優積累點數、分裂點數與目標規一化加速度之間的關系。Using piezoresistive accelerometers and magnetoresistance sensors measure the dynamic acceleration and geomagnetic field and through avr mcu software to calculate the attitude angular and azimuth. the fact of affecting the module is discussed in detail in this report and put forward the resolving scheme of key technology of digital filter, linear compensation, temperature compensation and magnetic field adjustment. the digital module has advantages of small size, light weight, low conception, high accuracy, all solid state and high reliability
本課題採用壓阻式加速度計和磁阻傳感器分別測量重力加速度和地磁場，通過avrmcu軟體解算出姿態角和方位角，課題詳細分析了影響模塊性能指標的因素，就數字濾波、線性補償、溫度補償、磁場修正等關鍵的技術問題提出了可行的解決方案，研製的數字化模塊具有體積小、重量輕、低功耗、精度高、全固態、高可靠等特點，所有性能指標均滿足設計要求，為姿態角測量提供了有效的手段。The contrast is higher, the amount of reflect becomes more ; and the sedimet is deeper, the shaking duration becomes longer. so. as the contrast higher and the depth deeper, more waves converge on the basin, more waves interfere with each other, the duration is longer, the amplitude of displacement or accelerate is larger, and the fourier responce spectra contain more components
所以，基巖與沉積層的剪切波速比越大，沉積層的深度越大，波就越容易聚集在盆地中，中國地震局工程力學研究所碩士論文波與波之間的干涉機會就越多，盆地的振動時間就越長，沉積層的位移和加速度反應就越大，波的頻譜成分就越豐富。Under these assumptions, three kinds of excitations, namely, harmonic force with frequency equal to the structural fundamental frequency, harmonic force with frequency equal to half of the structural fundamental frequency and pulse force are inputted to the undamaged and damaged structures. then under the same excitation, the undamaged structural displacement responses, velocity responses, acceleration responses, jerk responses and responses of integrated displacement are compared with that of the damaged ones
在此假定基礎上，分別將激勵頻率等於結構基頻的簡諧形激勵、激勵頻率等於結構基頻之半的簡諧形激勵和錘擊激勵輸入結構，而後比較了損傷前後結構在相同激勵下的位移響應、速度響應、加速度響應、加加速度響應和位移積分響應。The results demonstrated that the weft tension and its amplitude can be effectively reduced and positively controlled to meet the requirements of weaving provided that suitable weft storage feed unit, weft feeding position and tension device are selected, modified trapezoid acceleration motion with smaller peak acceleration as the law of weft insertion motion is adopted, and the route of weft yarn motion is optimized
結果表明：通過選用合適的緯紗儲緯器、張力器和緯紗供緯位置，選用加速度峰值較小的改進型梯形加速度引緯運動規律，優化緯紗運動路徑，可有效地降低緯紗的張力值和張力變化的幅度，達到對緯紗張力進行積極控制的目的，滿足織造工藝的要求。Based on the unified recursive formula, the four algorithms included in this study are the central difference method, the newrnark ' s method, z - transform method, and duhamel ' s step integral method. the accuracy, the phase and other existent problem are studied in this paper. it is proved in this paper that the recursive parameters b1and b2are relate to the poles of theoretical transfer function
分析中可以發現，中心差分方法， newmark中點加速度方法、 z變換方法及duhamel逐步積分法在精度范圍內其計算相位是沒有畸變的，中國地震局工程力學研究所頃土學位論文一但是中心差分方法， newmark中點加速度方法隨著采樣間隔及系統自振頻率的增大，系統的固有自振周期被改變，其傳遞函數的共振區域與理論傳遞函數的共振區域會發生分離。The second part brings forward a new ar - model - based arm detection method based on features of arm and characteristics of velocity and acceleration of the radar echoes. by establishing two - order ar models, this new detection method computes the poles of models representing different targets, thus estimates the acceleration of the targets so as to determine the nature of the targets. furthermore, this method can not only be applied when the arm is being tracked by radar, but also be put into use in radar ’ s seeking and scanning times
第二部分則是根據反輻射導彈（ arm ）的特點及其雷達回波信號中速度、加速度等特徵，提出了一種新的基於ar模型的arm檢測演算法，該方法通過建立二階ar模型、估計代表不同目標的模型極點，並由此估算目標加速度來判斷目標性質，該方法不僅可以在雷達已跟蹤上arm后採用，而且適用於雷達搜索掃描時使用，模擬結果表明該方法具有解析度高，對雷達脈沖重復頻率（ pulserepetitionfrequency ， prf ）及積累脈沖數要求不高的特點，在低的prf及少的積累脈沖下，利用該方法仍可有效地識別檢測arm 。The author is absorbed in research on technology of coprocessor design. in the floating - point addition the paper proposes a carry chain of dynamic and static mixed circuits and a good balance between speed and area of predicting leading - zero logic circuits, considering algorithm and construction of logic circuits. an approach of micro program controller design for coprocessor is put forward and a test bench is given to verify its function
筆者研究協處理器的設計技術，在浮點加法器中提出動態與靜態結合設計進位鏈的方案以及前導零預測面積與速度的折衷方法；在微程序控制器的設計中提出一種協處理器微程序控制器的設計方法，並且給出其功能驗證的測試平臺。Answer please, it is appropriate to travel abroad, a friend of the software. there are five main functions : 1. unit conversion - conversion projects, including commonly used size, density, speed pressure and weight between the metric and english - conv
有5個主要功能： 1單位轉換-轉換的項目不但包括一般常用的面積密度速度壓力和重量等單位的公制和英制之間的換算，還有工程上用到的線密度能量和加速度的換算。The experimental results indicates that the secondary mass flow increases with increasing of primary mass flow rate, but the bypass decrease because the primary mass flow rate increase more rapidly than secondary mass flow. the expansion configuration shows low thrust property due to low pressure in flow path. the secondary nozzle changes the pressure distribution in ejector combustor, and decreases bypass ratio, but obtain more completely mixing
結果表明：二次流流量隨著一次流流量的增加而增加，由於二次流流量的增加速度低於一次流，引射系數減小；在純擴張式結構實驗中，引射燃燒室壓強很低，難以實驗推力增強；二次噴管改變了引射燃燒室的壓強分佈，降低了引射系數，改善了混合狀況能；對于本文的實驗結構，存在一個最優的二次噴管出口面積，使引射火箭推力最大，同數值模擬結果相吻合。The acceleration time process of road surface plainness is got by using two integral calculus of the acceleration time process which is measured by five - wheel equipments. this data is worked as the input of the road surface for theoretical calculation. the result of experiments mostly fits that of calculation, and then the multiple - acceleration power spectrum distribution of the artillery and tractor are acquired
在瀝青路面、破損鋪磚路和砂石路面上以不同速度進行了平穩隨機激勵牽引試驗，用五輪儀測量得到的加速度時間歷程進行兩次積分的方法得到路面不平度的時間歷程做為路面輸入進行對應的理論計算，試驗結果和計算結果基本相符，得到了火炮和牽引車多個加速度功率譜分佈。Among others, introducing the speed and acceleration feedforward links and the notch filter into the control system and adopting integral - separate pid algorithm, etc., are effective measures taken to enhance the control performance
其中，在控制演算法中引入帶有速度和加速度的前饋環節及陷波濾波器，並採用積分分離式pid演算法等是本文為提高控制性能而採取的有效措施。Fiber optic gyro ( fog ) inertial system provides angular velocity and acceleration measurement of measurement body along three axes, based on the attitude matrix refreshed by outputs angular velocity to transform the acceleration from the body frame to the earth frame, finally through acceleration integral we can get the position of the measurement body in the space. fog is popular in the navigation field for many advantages, such as wide dynamic range, high resolution and all solid components
該測量方法利用捷聯式光纖陀螺輸出的角速度和加速度信息，測出運載體沿三個方向的加速度分量；再利用光纖陀螺輸出的角速率信號，不斷更新測量體的姿態轉換矩陣，將加速度分量用轉換矩陣更換到地理坐標系；最後經過計算機對轉換后的加速度信號積分運算分別可得到運載體在三維空間中的位置。分享友人