零速點 的英文怎麼說
中文拼音 [língsùdiǎn]
零速點
英文
point of zero velocity-
If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g
如果通過激光冷卻能使原子速度降至很小甚至為零，光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處，其穩定程度取決于該處光壓力曲線負斜率的大小、對應勢能的勢阱深度以及動量擴散系數的大小，因此，如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。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。Zero velocities on the cylinder were satisfied at the node points.
圓柱上速度為零在節點上滿足。In the system, the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high - speed photoelectric transition and electronic data process. two measured results of the diametric directs and ellipse tolerance, etc, parameter, of the turning workpiece on the same plane are obtained by non - contact automatic measurement
在單向激光掃描檢測技術的基礎之上，提出了一種雙向激光掃描檢測系統，其採用激光掃描檢測技術與特殊光學系統相結合，用準直半導體激光掃描光束對被測工件徑向某一截面的兩個相互垂直方向同時掃描，經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統，對將攜帶有垂直方向被測量信息的光束進行處理，實現了回轉體工件同一截面兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動測量，解決了同時非接觸測量回轉體零件同一截面兩個徑向尺寸的難題，它具有高速，高精度和非接觸自動測量等特點。Aspect the evaluation in the now available expressway construction project management is chiefly concentrated at economy with the technology, and to manages the twist hempen thread imitates that the research which appraised chiefly includes in effect which inspected and control evaluation and the construction course the evaluation of some one quotas, the unified evaluation system of not formation ; the twist hempen thread effect assessment method is managed to the now available project item, and stopping certain tier face in the item construction mostly, assessment method adaptability is wrong, and lacks the synthetical evaluation to the scattered assessment method of selection submitted a tender such as beckoning and so on
現有高速公路建設項目管理中的評價主要集中在經濟和技術方面，而對管理績效評價的研究主要包括監理的效果評價和施工過程中的一些單指標的評價，沒有形成統一的評價體系;現有的工程項目管理績效評價方法，諸如招投標的選擇之類的零散評價方法，大多停留在項目施工的某一層面，評價方法適應性差，缺少綜合評價。本文通過對現有高速公路建設項目管理評價體系存在問題的分析，結合高速公路建設項目管理的特點，構建了高速公路建設項目管理績效評價內容、指標體系，運用模糊評價法、專家評價法、熵評價法等對高速公路建設工程項目管理績效做出了綜合評價。This three hybrid type pmts possess such advantages as : simple structure, good dexterity high machining precision, high machinillg speed, position decoupling wth orientation, easy nc programming et al, can meet the need of numerical colltrol machining for large pwts with complex wes
這三種混聯結構並聯機床具有結構簡單、加工靈活、加工精度高、加工速度快、加工工藝性好、位置與姿態解耦和數控編程方便等優點，可以滿足大型具有復雜曲面類零件的多軸聯動數控加工的要求。" a satellite transmitter was attached to the back of a female green turtle by afcd staff after it laid eggs at sham wan, lamma island on august 9. the released turtle then headed southwestward along the coastline of the south china sea to her feeding ground at a speed of 0. 5 to 2 kilometres per hour
他說：漁護署職員於八月九日，在一隻于南丫島深灣產卵的雌性綠海龜龜殼上，安裝一個衛星傳訊器。海龜隨即爬行回大海，以每小時零點五至兩公里的速度，朝西南面沿著南中國海的海岸線游向覓食地。The velocity at the stagnation points is zero.
在停滯點處，流速為零。Universal type that guangzhou dongchen electric vehicle co., ltd develop the latest electric car mix with the motive to become soon the green environmental protection motor car, it broke the traditional consciousness, the way that whole car lines that tradition of limitless become soon, that car have the zero row to put, free from pollution, have no the noise, mentally retarded consume, start steady, long drive route, excellent climbing ability, the special advantage of low etc., function index sign of movement cost is already the advanced level, it broke the tool of traditional transportation means of transportation flowing freely of world, now a humanities culture for be in the leading, a nature consciousness for be in the leading
廣州東辰電動車有限公司最新款的普及型混合動力變速綠色環保電動車，它打破了傳統的無極變速方式，該車具有零排放、無污染、無噪音、低能耗、起動穩、行程長、爬坡力強、運行成本低等獨特優點，性能指標已達世界先進水平，它打破了傳統交通代步工具的局限意識，整車線條流暢，體現一種領先的人文文化，一種領先的自然意識。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。Abstract : the numerical simulation of the rheological warm extrusion molding of the missile shell, a kind of aluminum alloy part, has been carried out, including the simulation of metal flow in the mold cave, velocity field, stress field, strain field, temperature field, and nodal force etc
文摘:對鋁合金零件彈托在溫擠條件下的流變成形過程進行了數值模擬，其中包括對金屬在模具型腔中的流動情況、速度場、應力場、應變場、溫度場、節點力等的數值模擬。Attach much importance to develop advantageous parts and components assemblies as high - power engine, vehicle bridge, gearbox and etc
重點發展大功率發動機、車橋、變速箱、等具有比較優勢的零部件總成。This paper introduce the features of a kind of electric heating atmospheric boiler which is of high efficiency on energy transferring, non - pollution, starting and stopping quickly, wider range of load adjusting, simple body structure, etc. in addition the paper introduce the design idea briefly
電加熱鍋爐具有能量轉化效率高、零污染、起停速度快、負荷調節范圍大、本體結構簡單等特點，文章具體介紹了一種常壓熱水電鍋爐的設計。And they will pay more attention to the development of chinese electronic components and parts, instruments, equipments, and semiconductor device, and it will produce the needed electronic products for the electronic profession with high quality and low price
加強同終端網路的整合，並做好售前售中和售後服務，逐步接近零缺點零庫存的管理水平，加速了產業一體化經營步伐。With the high accurate transfer function it is possible to design frequency characteristic compensator to eliminate the mechanic resonance frequency characteristic of the control object. the fast steering mirror system closed bandwidth is no longer restricted by the mechanic resonance frequency and the closed bandwidth is expanded effectively
在獲得對象的高精度傳遞函數以後，使用零極點對消的方法補償系統的機械諧振，有效地擴展了快速控制反射鏡系統的帶寬，使快速控制反射鏡系統的閉環帶寬不再受制於系統的開環諧振頻率。The policy of aftek aims to provide zero - defect, and competitive products, best quality of service and on - time delivery to our customers
本公司的經營方針為：將零缺點、且具有競爭性的產品及最佳的服務，迅速準時的送達到客戶手中。This paper studied zero - velocity correct technology for ins, based on analysis of ins error equation, it concluded the method by which we can use ins velocity output to estimate the attitude angle error when the vehicle halted, then it contrasted two schemes of conic approximation of attitude angle error and put forward a method to decide the approximation coefficient by time range
本文首先研究了車載捷聯慣導系統（ ins ）的零速修正技術，在分析捷聯慣導系統誤差方程特點的基礎上，推導了停車時利用ins速度輸出估計姿態誤差角的方法，並對用二次曲線擬合姿態誤差角的兩種方案作了比較，提出了按時間分段確定擬合系數的方法。Our main work is as following : ( 1 ) research many methods to estimate blur parameter, carefully analyze the blur function of straight line motion with constant velocity, put forward a method to estimate blur parameters by zero value points according to the blurred images " spectrum
主要工作如下： （ 1 ）研究了多種估計退化參數的方法，並仔細分析了勻速直線運動模糊圖像的退化函數，根據其頻譜的特點提出了用零值點方法來估計退化參數。How to improve the accuracy of flux observer is very important in high - performance motor system, especially at low - speed or zero - speed situation. high - frequency signal injection is believed the efficient method to solve these difficuilties
高頻信號注入來實現極低速甚至零速情況下磁鏈位置的觀測是目前該領域的熱點研究內容，本文採用的是d - q軸阻抗差異法。Then a fast computing method is presented to estimate the curvature of edge points and the points at which curvature is less than some threshold are collected to fit lines
為提取直線邊緣，使用改進的序列細化演算法將邊緣細化為單像素寬，而後用一種快速曲率估計方法估算邊緣點的曲率，並保留估算值很小（約等於零）的點擬合直線。分享友人