抖動效應 的英文怎麼說

中文拼音 [dǒudòngxiàoyīng]
抖動效應 英文
wo leeffect
  • : 動詞1 (顫動;哆嗦) tremble; shiver; quiver 2 (振動; 甩動) shake; jerk 3 (振作; 鼓起精神) rou...
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • 抖動 : (顫動; 用手振動)1 shake; tremble; vibrate; chatter 2 agitation; joggling; whipping; flutter; ji...
  • 效應 : [物理學] effect; action; influence
  1. Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100

    論文在全面闡述了光學三維輪廓位相測量術的發展、用現狀、研究熱點及未來發展趨勢的基礎上,簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理,對兩種測量方法存在的問題及誤差進行詳細分析和比較;針對位相解包裹錯誤點的傳播問題,作者通過改變解包裹路徑來提高位相解包裹的正確性;分析討論從解包裹位相( x , y )到再現物體的高度h ( x , y )物理量之間的關系,研究相的演算法,利用matlab平臺,對實際採集的條紋圖像進行處理和輪廓重構,其中改進及創新工作主要表現在以下兩個方面: ( a )針對干涉型結構光場干涉條紋出現的漂移對相移的影響,提出了一種用條紋穩定器穩定干涉條紋,用精密移平臺使物體和ccd攝像頭同步移實現等相移的方法,建立了相的測量系統,系統的條紋穩定可以達到。
  2. All packets are treated equally. there lacks of efficient queue management. congestion happens here and there between whiles, which causes the dropping of packets or the jitteriness of transport, and even pervades to collapse the network

    但是「盡力而為」服務仍是目前internet中主要的一種服務類別,所有分組在網路中被同等對待,缺少有的管理,局部的擁塞經常發生,導致網路性能下降、用的分組丟失和數據,不能保證服務質量( qos ) 。
  3. There lacks of efficient queue management. congestion happens here and there between whiles, which causes the dropping of packets or the jitteriness of transport, and even pervades to collapse the network. with the development of internet based business and applications, quality of service ( qos ) is required and internet is expected to support the qos

    但是「盡力而為」服務仍是目前internet中主要的一種服務類別,所有分組在網路中被同等對待,缺少有的管理,局部的擁塞經常發生,導致網路性能下降、用的分組丟失和數據,不能保證服務質量( qos ) 。
  4. In this paper, a new control strategy based on the adaptive deadbeat voltage space vector is presented. this control scheme has a lower sample frequency and a smaller difference between switch frequency and sample frequency. it has many advantages, such as producing zero vectors organically, tracing exactly, non - shaking, etc. and its dynamic response is better

    對于電能質量調節器來講, pwm跟隨指令參考信號的控制性能在很大程度上影響著裝置的補償果,本文選擇無差拍電壓空間矢量控制為系統控制策略,這種控制方法具有采樣頻率低,開關頻率與采樣頻率的差距小,能有機地產主零矢量、跟蹤精確以及無振等優點,態響快。
  5. An efficient wind field simulation technique for wind - induced vibration analysis of long - span bridges is first introduced in this paper , and the statistic characteristics of the simulated wind field are then discussed on this basis , the time - domain expressions for the buffeting and self - excited forces acting on long - span bridges are further given a simple and practical method is presented for the non - linear parameter identification involved in the calculation of self - excited forces by using the above theory , the wind field and aerodynamic forces acting on the hong kong ting kau bridge are obtained the time - domain buffeting response analysis of the bridge shows that the analytic results agree quite well with the experimental ones this indicates that the theory presented in this paper has reached a practical level

    介紹了一種快速高的用於大跨度橋梁風致振分析的風場模擬方法,並對模擬風場的統計性質進行了討論和驗證在此基礎上進一步給出了大跨度橋梁振力和自激力的時域表達方式,其中針對自激力計算中涉及的參數識別問題,提出了一種簡單實用的非線性參數識別方法本文採用上述理論,獲得了作用於香港汀九大橋上的風場和氣力,據此對大橋進行的振響時域分析表明,計算結果與風洞試驗結果吻合良好,說明文中述及的這套理論已達到實用的階段
  6. The amplitude fluctuation and according system performance degradation induced by xpm is also studied through numerical simulation. the timing jitter caused by xpm can also have great impact on system performance. by employing lagrangian variational method and statistical method, the timing jitter caused by xpm in strong dispersion managed rz systems is studied in chapter 3

    通過模擬也研究了波分復用系統中由於交叉相位調制引起的幅度從而導致系統性能的惡化;交叉相位調制引起的時間對系統性能也有較大影響,利用拉格朗日變分方法和統計分析的方法,第三章討論了強色散管理歸零碼系統中交叉相位調制引起的時間
  7. According to those practical problems mentioned above, this subject mainly deals with problems as follow : 1 ) carrying out lots of theoretical experiments and systematizing some theory knowledge of the detecting system. 2 ) studying the correlativity between the referring signal and the primary signal of the adaptive filter. 3 ) studying the effects of constraining the self - dithering interference based on fixed step - size ( fss ) and variable step - size ( vss ) lms algorithms. 4 ) designing the subsystem including hardware and software, developing the software and optimizing the adaptive algorithms for constraining the self - dithering interference of the non - contact life - parameter detection system

    本課題根據實際中出現的上述問題,主要從事了以下工作: 1 、非接觸生命參數檢測系統的原理性實驗、野外實驗及部分理論知識的整理; 2 、自適處理參考信號與原始信號相關性的研究; 3 、基於固定步長和可變步長兩類lms自適演算法抑制非接觸生命參數檢測系統自干擾果的研究; 4 、非接觸生命參數檢測系統自于擾抑制系統設計、軟體研製和演算法的優化。
  8. In this paper the dithering of beam light, the undulating of beam intension, spread of the beam light and the dithering of image are introduced

    摘要文中介紹了激光信號通過隨機大氣通道時,大氣湍流造成了光束、強度起伏,光束擴展和像點等現象。
  9. Ld - pumped nd : yag, lbo ( type - i critical phase matching ) intracavity frequency doubled, blue laser at 473nm was obtained finally. under the condition of 14w pump power, high power tem00 mode blue laser at 473nm of 1. 1w was obtained. by means of inserting diaphragm into cavity, the power fluctuation and beam mode were improved ; in the experiments, the proportion of special mode matching in quasi - three - level laser was discovered, and the phenomenon were explained reasonedly

    實驗上採用對熱不敏感的三鏡折疊腔, ld泵浦nd : yag ,類相位匹配lbo作為倍頻晶體,獲得了1 . 1瓦的連續473mn藍光輸出;採用腔內插入光闌的方法,有克服了功率,同時改善了光斑模式;實驗中發現準三能級激光器存在兩個空間模式匹配比例關系,並對這一現象給出了合理的解釋。
  10. This paper first introduces the aspects of network performance research based on traffic measurement, modeling and analysis and its state - of - the - art, secondly summarizes then the concept, models and analysis tools of self - similar traffic, and analyzes scaling behavior of packet loss with self - similar traffic input by wavelets method, thirdly introduces hidden markov model and its applications on network performance research, and then explores the cross - traffic inferring technology and the disadvantages of existing methods. after that the paper develops a new method for cross - traffic inferring based on delay jitter measurement, proves its correctness by experiments, and applies it to self - similar traffic background and real traffic trace to investigate its availability,

    本文首先闡述了基於流量測量與分析的網路性能研究方向和研究現狀,而後介紹了自相似流量的基本概念和相關建模和分析技術,並採用小波分析的方法分析了單路復用網路模型在自相似流量下丟包的尺度特性,其次介紹了隱馬爾可夫模型以及其在網路性能研究中的用,最後在此基礎上考察了網路流量推斷技術,分析了現有的方法的不足之處,提出了一種新的基於探測流延遲測量的流量推斷測量技術,通過實驗證明了該方法的正確性,然後將其用到自相似流量背景下考察了其對自相似性的推斷刻畫能力,並且通過實際流量檢驗了其有性。
  11. The engineering algorithm ( physics optical method ) for numerical simulation of ao effect was also derived, the point - diffusion function obtained can be used to obtain sighting - axis deviation, blurring, jitter and strehl ratio, so that the ground simulation of ao effect can be theoretically feasible

    同時推導了氣光學數值模擬的工程演算法(物理光學法) ,得出的點擴散函數便可得到氣光學的視軸偏差、模糊、、 strehi比等,從而使氣光學的地面模擬測試研究在理論上可行。
  12. The effects of sampling clock jitter on signal - to - noise ratio ( snr ) and effective bit ( enob ) performance discussed in section 3 are even more dramatic in undersampling applications because of the higher input signal frequencies

    在第三章討論的采樣時鐘對信噪比和有位性能的影響在欠采樣用中因為更高的輸入信號頻率顯得更有戲劇性。
  13. Different filtering methods have been tested to examine the effects of all kinds of filters. the correction of inertial sensor errors, navigation algorithm, coning motion, and sculling motion have also been investigated. based on the above works, the initial alignment on stationary base using imu with mdrlg has been carried out, and an usable navigation software has been completed

    對機激光陀螺引起的高頻振的補償方法進行了研究,對不同的濾波方法進行了試驗;對機激光陀螺捷聯系統的儀表誤差補償、導航解算演算法、圓錐補償演算法和劃槳補償方法進行了研究;對靜基座條件下機激光陀螺捷聯慣導系統的初始對準方法進行了研究,編寫了實用的導航軟體。
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