time for acceleration 中文意思是什麼

time for acceleration 解釋
加速時間
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  • for : FOR f o r = free on rail 【商業】火車上交貨(價格)。1 〈表示目標、去向〉向,往。 leave [sail] f...
  • acceleration : n. 1. 加速;促進。2. 【物理學】加速度;變速。3. 【教育】加速升級。
  1. 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。
  2. 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。
  3. Temporal acceleration. your time frame accelerates for 2 rounds

    時間加速:加速你的時間體系2回合。
  4. The modified traveling wave monopole model is employed in simulating the electron beam in crt of computer vdu. meanwhile acceleration fields of the electron beam are studied in details and its expression given for the first time with measured results. a novel analyzing method is proposed to study the spectrum of electromagnetic information leakage based on the viewpoint of field point, which has been verified effective by experiments

    採用經修正的行波單極子模型模擬計算機陰極射線管顯示器電子束,並詳細研究了電子束的加速場,首次給出了其計算公式和實驗測試結果;還提出了一種新的從場點出發的信息電磁泄漏頻譜分析方法,實驗證明了其有效性; 3
  5. The viscid flux is discretized by second - order central difference scheme. baldwin - lomax turbulence model is implemented in navier - stokes flow solver. for steady - state calculations, a four - stage runge - kutta scheme with convergence acceleration techniques such as local - time stepping and implicit residual smoothing is used

    其中,定常計算中的時間推進採用四步runge ? kutta方法,並應用了當地時間步長、隱式殘值光順等加速收斂措施;非定常計算中的時間推進採用jameson的隱式雙時間方法。
  6. This interpolation module uses the popular and advanced nurbs interpolation technology. the procedures of math processing for nurbs, preprocessing for interpolation and real - time interpolating running on dsp are presented in this article. the interpolating procedure uses an advanced self - adjusting interpolation method, which can automatically adjust the length of interpolation according to machining speed, acceleration and the tolerance of bow height

    插補模塊則採用了當今最流行最先進的nurbs插補技術,設計了nurbs數學處理程序,插補預處理程序,運行於dsp的實時插補程序,該插補軟體採用了先進的自適應插補方法,可以根據加工的速度,加速度,弓高誤差的要求自適應調整插補步長,同時採用了對插補點的預估演算法,免去以往加工方法中求導的運算,大大降低了運算量,提高了加工速度。
  7. In this paper, the upwind scheme and the central scheme are presented for solving 3 - d n - s equations using the cell - center finite volume spatial discretization and four - stage runge - kutta time stepping scheme, with standard convergence acceleration techniques such as local time stepping and implicit residual smoothing

    在n - s方程的數值計算上,採用了中心差分格式和迎風格式,用格心格式的有限體積法進行了空間離散,用四步龍格?庫塔法作顯式時間推進,並採用了當地時間步長和隱式殘差光順等加速收斂措施。
  8. As a result, invisible points can be culled view - dependently in high efficiency for hardware acceleration, and at the same time, the advantage of sequential point trees could be still fully taken. therefore, the new method can run much faster than the conventional sequential point trees, and the acceleration can be highly promoted particularly when the objects possess complex occlusion relationship and viewed closely because invisible points would be in a high percentage of the points at finer levels

    具體地說,從根結點開始,我們將點模型樹按照廣度優先的方式一層結點一層結點地順序排列在排列一層結點時,我們引入迭代的z型序列來安排這些結點在序列中的位置,使得空間上鄰近的點在序列中的位置也是靠近的而在每個非葉子結點,還記錄它的兒子結點在序列中所處的片段位置。
  9. Design engineers now selecting pmbldc motors over conventional dc or induction motor drives for the following reasons : 1 ) the absence of brushes results in an essentially maintenance free operation and eliminates the undesirable effects of commutation such as sparks, brush - loss, radio - frequency interference, etc. 2 ) the low inertia of the rotor enhances the quality of the mechanical response of the motor, shortening the acceleration and deceleration time. 3 ) utilizing rare - earth permanent magnet materials with high coercive force results in substantially higher efficiency than their counterpart with brushes of the same size. 4 ) because of the absence of commutation segments, the stator construction is simple

    現在的工程師們更為青睞永磁無刷直流電動機是因為以下幾點原因: ( 1 )去除了電刷的永磁無刷直流電動機徹底地免除了維護而且消除了我們不希望的由於換向帶來的火花、電刷損耗以及無線電干擾等等; ( 2 )低轉動慣量的轉子提高了電機機械響應的質量,從而縮短了電機加速和減速的時間; ( 3 )高矯頑力稀土永磁材料的使用使得同樣尺寸的永磁無刷直流電動機比傳統的直流電動機效率高; ( 4 )由於沒有機械換向部分定子的結構簡單了。
  10. A continuous gps network could easily detect this fitful acceleration, well before ground - shaking earthquakes began to occur and, with luck, in plenty of time for a useful tsunami warning

    持續監測的gps接收網路,可以早在撼天動地之前,輕易偵測到這種不規則的加速作用,更幸運的話,還有足夠的時間發出海嘯警報。
  11. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模式的合理性;從微分方程推導了基於土體振動臺模型試驗的相似律,並從模型實體、孔壓時程曲線和相似律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化;孔壓的增長曲線形狀與施加的荷載有關:當施加荷載為由小到大的形式時,曲線形狀為上凹的曲線;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲線形狀為上凸的曲線,且逐漸趨于穩定。
  12. The high precision time - interval measuring instrument ( hptimi ) is manufactured for the rigorous requirement such as high precision, high stability and multi - channels in detonation experiment and particle acceleration experiment

    高解析度時間間隔測量儀正是應爆轟物理實驗中高可靠性、高精度和多通道等測量要求而研製的,其使用有助於使爆轟與粒子加速等物理實驗的電子測量技術達到一個新的水平。
  13. With the acceleration of extinction of species, biodiversity conservation is extensively concerned. the extinction of species is concerned with the degree of threat by biotic and abiotic factors. so, taking action to preserve plant species is very necessary and paramount before their extinction. one of the most effective biological techniques to conserve the biodiversity is the establishment of genebanks, i. e. ex situ conservation. the elucidation of various factors that regulate seed viability and vigor in storage is essential. an ideal condition to prolong the longevity is mainly depended on seed water content, temperature, humidity and types of containers used during storage. the optimum stage of seed maturity, harvesting techniques and processing, in addition to physiological features such as degree of dormancy, also play key roles in seed storage. certainly, desiccated seeds deteriorate with time even under extremely good genebanking conditions. according to seed storage behavior, it is necessary to consider three principal factors : storage environment, storage duration and plant species which will affect seed survival under good genebanking conditions. the present review is an attempt to discuss the importance of the aforementioned aspects of seeds in detail in order to conserve plant germplasms ( especially wild rare and endangered plants ) for ex situ conservation through seed - gene bank

    一個物種的滅絕是與其受生物因子和非生物因子的威脅程度相關的.隨著物種的加速絕滅,保護生物多樣性受到廣泛地關注.保護生物多樣性的最有效的生物技術之一是建立種子基因庫,進行遷地保護.種子庫理想的貯藏條件主要取決于種子含水量、貯藏環境(如溫度和濕度)和貯存種子的容器.進行種子貯藏,了解種子生命力和活力的影響因子的作用機理是十分重要和必要的.除了種子自身的生理特徵外,種子的貯藏壽命與種子成熟度、收獲技術、加工處理方法也是息息相關的.即使在最適的庫存條件下,種子也會隨時間發生劣變.因此,必須根據種子特定的貯藏行為,加以考慮影響種子存活的3個主要方面(貯藏環境、貯藏期和植物種類)而選擇有效的貯藏方案.本文試圖討論種子貯藏生理的幾個重要方面及其需解決的技術問題,以便更好地通過種子基因庫,長期有效地保存植物種質資源
  14. The use of time delays on these vehicles helps to eliminate transmission and motor damage by providing even and controlled acceleration. the delay is adjustable between 0 to 5 seconds and can be wired independently of other delays or alternatively these delays can be wired in cascade so that it is necessary for the first delay to switch on before the following commences timing etc. suppression is included in the delay circuit to prevent damage by voltage transients

    延遲開關可以調整延遲時間0 ~ 5秒,並可連接數個延遲開關來逐步控制連續動作之時間(復數連接時,第一個開關要啟動接下來的開關才會跟著動作)避免電動車起動初期之電力脈沖,達到平順的起步動作,可預防電壓無端變動造成之電路故障
  15. So the sliding mode variable structure controller was discussed, which has strong robustness against the disturbance, and the chattering phenomenon inherited from vsc was taken advantage to regular valve vibration for the purpose of avoiding coagulation on it, while precision of level control can be almost unaffected. but for the reason of control limitation, especially the acceleration insufficiency, the continuous time quasi - sliding mode vsc for one class of controllable system, as the substitution of ideal sliding mode control system, which was impossible to implemented, was researched, including the three essentials, reaching condition in particular, and the chattering ex - pression was given. furthermore, the effect to quasi - sliding mode motion and chatter - ing expression by extent disturbance was also analyzed

    由於控制量相對受限制,並且主要體現在控制量加速不足方面,無法實現理想的滑模變結構控制,因此本文研究了一類能控系統在這種情況下的連續系統準滑模變結構控制,包括變結構控制三要素,尤其是到達條件;並且針對塞棒掛渣問題,給出了該情況下抖振的表達式;魯棒性方面,分析了外界擾動對準滑模運動的影響,並且給出了外擾作用下抖振的表達式。
  16. For a given aperture size and vibration acceleration, the relations between material flow, flow time and vibration frequency were studied by experiments

    通過試驗確定了在網孔孔徑和振動加速度一定的情況下,物料流量與流動時間以及振動頻率的關系。
  17. Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules

    同時,本文對基於統一的pc平臺的雕銑機數控系統中的幾項關鍵技術進行了深入的研究,包括: cam生成加工程序的傳送、接收、讀取及其加工鏈表的生成和實時重構;對cam生成的離散數據進行三次參數樣條插值和基於累加弦長的三次參數樣條插補控制,保證加工工件表面的精度和光順性;設計具有「前瞻」功能的自動升降速控制方法,保證加工過程的平穩性;通過脈沖均勻化,有效地解決加工過程中因為脈沖不均勻而引起的震動問題。
  18. The peak in the direction of the target normal is consistent with mat of predicted by the resonance absorption and another peak of hot electrons emission in the specular reflection direction is due to the multi - acceleration mechanisms. the hot electrons emission along the back - reflection direction is probably caused by the acceleration of the back - reflection laser, which is for the first time put forward by us

    其中,靶法線方向的超熱電子發射峰與共振吸收( res ~ eabso甲tion )機制所預言的一致;根據理論估算提出激光反射方向的超熱電子發射峰是幾種加速機制共同作用的結果;我們首次提出背反射激光加速超熱電子的新機制,並用此機制解釋了激光背反射方向產生的超熱電子發射峰。
  19. The experimental results are helpful to understand the acceleration mechanisms of the hot electron emission in the interaction of the us - ui laser pulse with plasma. an anisotropy energy distribution of the hot electrons emiaon has been observed for the first time in the experiments. the energy spectrum of hot electrons resulted from the resonance absorption at the direction of target normal is a maxwellian - like distribution

    E11分佈,擬合的超熱電子有效溫度約200kev左右,超熱電子的最大能量約zmev ,加速電子的主導機制是共振吸收機制;反射方向超熱電子的能譜在低能段出現一個局部的平臺( pla1leau ) ,呈現出非類maxwen分佈,這是幾種加熱機制共同作用的結果,其中佔主導地位的是反射激光加速機制。
  20. For aseismic analysis of lightweight steel structure, the response spectra and time history acceleration method are applied to calculate in the paper, the computational results show that the load responses of structural members are small at different earthquake intensity ; the sleeper workshop is very safe. it indicates the lightweight steel structure has favorable anti - seismic capability

    同時採用振型分解反應譜法和時間歷程加速度法分別對整體廠房結構進行了抗震分析和驗算,計算結果表明:在不同烈度下結構的地震響應都不顯著,結構的構件是安全的,同時也說明了輕鋼結構是有良好的抗震性能。
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