等角加速度 的英文怎麼說
中文拼音 [děngjiǎojiāsùdù]
等角加速度
英文
constant angular acceleration-
It was restaurant industry graven topic that that of that of from input / output angle said, how advance restaurant kernel ability to compete, with the purpose of advance business economic benefit, as soon as possible brought return, accelerating demonetization end, abaft experience know clearly near twenty year stodgy state look forward to reform mechanism, our state hotel industry be around by babyhood trend maturity, by seller ' s market trend buyer ' s market, such transit should make part rational consumer enjoy to good value for money, too brought ought to part superficial restaurant taste to inevitable ; the government owned restaurant at multinational restaurant bloc and civilian battalion restaurant enterprise " dual impact down, calendar by know clearly reform of monetary system cum bank commercialization, market open cum solution control, market cum competitive mechanism three phase, owing to planned economy belated issues, structure irrationality wrought a matter of and overlapping investment wrought a matter of wait threefold cause, make government owned restaurant at market competition middle gradualness forfeiture competitive edge, in progression appearance hot water, how advance government owned hotel competitive power a matter of, toward me state tourism possess strong operation significance, hunan lotus hotel namely same family pole tool on government owned three stars level hotel behalf of the for the last years, by way of hotel industry occupy quite specific gravity
從投入產出的角度講，如何提高飯店核心競爭能力，以達到提高企業經濟效益，盡快產生回報，加速貨幣回籠的目的，是飯店業嚴肅的話題。在經歷了近二十年步履艱難的國企改革歷程后，我國飯店業已開始由幼稚走向成熟，由賣方市場走向買方市場，這種轉變將使得部分理性的消費者享受到物有所值，也使部分膚淺的飯店品嘗到必然的失敗；近十年來，作為飯店業占相當比重的國有飯店在跨國飯店集團和民營飯店企業的雙重沖擊下，歷經了金融體制改革及銀行商業化、市場開放及解控、市場及競爭機制三個階段，由於計劃經濟遺留下來的問題、結構不合理造成的問題和重復投資造成的問題等三方面的原因，使得國有飯店在市場競爭中逐漸喪失競爭優勢，相繼出現困境，如何提高國有飯店競爭力的問題，對於我國旅遊業具有強烈的現實意義，湖南芙蓉賓館就是一家極具代表性的國有三星級飯店。Then, we caculate the dynamic character of the reflective mtn cell with the optimized parameter, give out the distribution of velocity, twist angle and tilt angle at the midle of the mtn cell when switch on or off in consideration of the backflow
並針對選定參數的mtn液晶盒作了動力學上的計算。文中分別了給出mtn盒在加電壓和撤電壓時，引流效應對反射率的影響，並比較指向矢，速度，中間層的傾斜角等參量分佈的情況。In astronomical coordinates ( reference mark is north latitude 43. 9 ), analyzed is the effect of azimuth angular velocity, acceleration and altitude angular velocity, acceleration etc. some formulae were given to compute all correlative quantities. with regard to the course of data processing beforehand, the thesis focuses on outliers eliminating technology because of outlier increasing acutely of high - elevation tracking ( approaches 10 - 20 % )
在觀測坐標系中推導出確定天頂盲區理論范圍公式和滿足過天項跟蹤條件的關系式；在天文坐標系中以長春衛星觀測站（北緯43 . 9 ）作為計算基準，分別討論了方位、俯仰方向的角速度、角加速度等對天頂盲區的影響，在理論分析上為解決過天頂跟蹤問題打下了基礎。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。The main work includes : the kinematic properties of a planner 4 - bar linkage are researched deeply using the assur group theory. the displacement, velocity and acceleration of each joint point in a motion period are put forward and their curves of the relevant points are plotted
通過運動學分析，得出平面連桿機構在一個運動周期中各鉸接點的位置、速度和加速度以及各桿件的角速度、角加速度等運動學參數，並繪制出相應的變化曲線。Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation
在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。Adopt transfiequency motor to control speed, processing speed fast and high processing efficiency ; adopt double straight line rolling glide and double ball screw rod transmission system guarantee the processing size s veracity and stability. upper chamfer angle can automatic rise and fall so its have easy handling, compact structure the minimum width of the glass can be 127mm
加工速度快，效率高雙直線導軌和雙絲桿傳動系統確保了加工尺寸的準確性和穩定性，上倒角自動升降的先進性，使其具備操作方便結構簡潔等特點。In the method of combing theory and practice, the thesis analyzes the manifestations of students " deviated behavior and their negative influence on students. after exploring the possible causes of deviated behavior, the thesis puts forward some concrete remedies : the nation should strengthen the supervision and the management of computer networks ; middle schools should effectively manage, guide and educate their students ; teachers should be quick in improving and broadening their knowledge and pay more attention to the psychology of their students ; parents should supervise their children well
本文採用理論聯系實際的方法，在界定網路偏差行為的基礎上，指出了網路偏差行為的表現及其對中學生所產生的危害性，並從多角度分析了產生網路偏差行為的原因，最後闡述了具體的對策：國家要加強對計算機網路的監督和管理；學校應加強對學生的管理、教育和引導；教師應加速知識的更新和提升，並注重對中學生進行心理教育，開展心理咨詢；家長應切實做好對孩子的監護工作等，多管齊下，齊抓共管，共同促進中學生身心的健康發展。Because 3d surface model contains huge number of triangles, a mesh simplification algorithm based on triangle edges shrinkages is presented in this paper to speed up the rendering in real time. in chapter four, the cutting of reconstructed 3d models is explored. in order to observe expediently the size and interspaces structure of inner tissues and avoid the discommodiousness of surface reconstruction, a simple cutting methods based on ray - casting algorithm is presented to get the inner images information
第三章主要對marchingcubes （ mc ）表面重建演算法進行描述， mc演算法是基於規則體數據抽取等值面的經典演算法，本文實現了這種等值面構建表面模型的演算法，並對其演算法的二義性進行了相應的處理；針對其重建速度較慢的問題，提出了體素間相關性處理的方法來加快重建速度；並對其生成的表面幾何模型所包含三角面片數量巨大的問題，提出一種快速有效的三角形邊收縮演算法進行網格簡化，提高了表面模型的繪制速度。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。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。This platform can detect geometry ( length, angle ), electricity ( current, voltage ) and mechanism ( shake, speed, acceleration, displacement, pressure ), it can analyze signal and process data too
即具有對幾何量（長度、角度） 、電量（電流、電壓） 、機械量（振動、速度、加速度、位移、壓力等）的檢測功能，同時具備信號分析與數據處理能力。Based on the theory of mechanical optimization and finite element analysis, elbow - bar mechanism of the mp1040b moulding machines made by beiren group is investigated in the dissertation. firstly, a kinematic model representing the bar mechanism is built and the nonlinear system of equations is solved through the method of gradient. meanwhile, the angular displacement, angular velocity, angular acceleration and the corresponding curves of each component in a motion period are obtained
本文以北京人民機器廠mp1040b型模切機肘桿機構為研究對象，以機械最優化理論和有限元技術為基礎，首先對模切機肘桿機構建立數學模型，通過梯度法求解此非線性方程組，並得出機構在一個運動周期中各構件的角位移、角速度、加速度等運動參數及曲線。Comparing and analyzing the experiment results, it is shown that : on the low adhesion road - control should be the primary as it can decrease the large side - slip angle ; on the high adhesion road - control is the best choice because it can restrain the oversized lateral acceleration ; on the mid - adhesion road, the right control strategy should be identified by the vehicle responses
對模擬結果的比較分析表明:在低附著路面上應以控制為主，以控制過大的質心側偏角;在高附著路面上應以控制為主，從而抑制較大的側向加速度;而在中等附著路面上，應根據實際車輛響應參數來決定到底應該採用何種控制策略。The imaging algorithm provides a new choice for wide band imaging. according to the sar radar performance such as resolution, the choice and requirement for radar system parameters are discussed in the chapter 4. specially the precision requirement of velocity, acceleration, and the roll, pitch angle and altitude of radar carrier provided by ins is deduced in detail
本文第四章從合成孔徑雷達所需要的解析度等設計指標出發，具體分析了合成孔徑雷達的主要設計參數的選擇與要求，特別對慣導系統提供的速度、加速度、姿態角和載機高度等測量精度要求進行了詳盡的分析。On the basis of discussing the possible aristhemetic for kineticscs indexes in motive video analysis, it was suggested that arithmetics of different quotient of center should be used in calculating the speed and accelerated speed, and the joint angle and segment angle, space angle and projection anagle should be ( differentiated ) so that the indexes could be more comparable
對運動影像拍攝與解析系統中運動學指標的可能演算法進行了討論，建議在計算（角）速度、 （角）加速度等運動學指標時應當盡可能地運用中心差商的演算法，在使用運動學指標時應當正確區分關節角和環節角、空間角與投影角兩組概念和演算法的不同，以使各種不同的解析系統計算出的運動學指標更具有可比性。Through analyzing a lot of tested data of seismic waves from deep - hole blastings at a different angle, the changing rules and influence factors of such main parameters as frequency, amplitude and lasting - time of blasting seismic waves propagating in a rock medium are obtained, and the empiral formulas for calculating the amplitude of blasting seismic wave acceleration are fitted out by binary regression
通過從不同角度對大量的深孔爆破地震動測試數據的分析，得到了巖石中爆破地震波傳播的頻率、幅值和持續時間等主要參數的變化規律以及它們的影響因素，並通過二元回歸法，擬合出計算爆破地震波加速度幅值的經驗公式。The integration of wireless acceleration sensor for structural global monitoring, the integration of wireless strain sensor for structural local monitoring, their corresponding network ’ s topological strucuture, the network ’ s communication protocol, saving energy and the network ’ s experiments are studied systemly, the main contents include : 1. for strucutal global monitoring, the electronics components are compared, anlysysed and seleced. on this base, the design modulization method is used for designing and debugging sensing disposal module, micro - processing module, wireless transceiver module and power module, and thus a wireless acceleration sensor node with digital interface is integrated using the above modules
本文在充分研究傳感技術、信號處理技術、無線通信技術的基礎上，針對土木工程結構整體性態監測的無線加速度傳感器集成、結構局部性態監測的無線應變傳感器集成以及相應的無線傳感器網路拓撲結構、網路通信協議、網路能耗處理、網路試驗等問題進行了系統的研究，主要研究內容如下: 1 .針對結構整體性態監測的需要，從設計的小型化、低功耗、低成本、高可靠性角度出發，對相關電子器件進行了比較、分析、選擇;在此基礎上，採用模塊化設計方法，對傳感處理模塊、微處理模塊、無線收發模塊以及能源模塊分別設計、調試，進而集成了基於數字介面的無線加速度傳感器節點。Now, the reported fgs can measure many physical parameters including temperature, strain, stress, displacement, pressure, torsional angle, twist moment ( moment of torque ), accelerated velocity, current, voltage, magnetic field, frequency, density, coefficient of thermal expansion, trembling etc. some of the fiber grating sensing systems have been put into practical use
目前，已報道的光纖光柵傳感器可以檢測的物理量有:溫度、應變、壓力、位移、壓強、扭角、扭矩（扭應力） 、加速度、電流、電壓、磁場、頻率、濃度、熱膨脹系數、振動等，其中一部分光纖光柵傳感系統已經實際應用。Firstly, the four features of five air targets are extracted here : target identity ( tid ), elevation measurement, target speed and acceleration. then the statistical models of features are established to classify five air targets
首先，就五類空中目標提取了四種特徵：目標身份、俯仰角、速度和加速度等，同時建立了它們的統計模型。分享友人