速度修正 的英文怎麼說

中文拼音 [xiūzhēng]
速度修正 英文
velocity correction
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ動詞1 (修飾) embellish; decorate 2 (修理; 整治) repair; mend; overhaul 3 (寫; 編寫) write;...
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. Due to existing signal processing technology ’ s shortage such aslow measurement, narrow measurement range precision and other poor performance, we introduced a high - precise signal processing technology : firstly, to get power spectrum with hanning windowed welch modified periodogram, search its peak value frequency ; secondly, to apply zooming analysis via goertzel algorithm ; at last, to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology, we designed a signal processing scheme, and developed a signal processing system. the running result showed high performance, verified the feasibility and reliability of the highly precise signal processing technology introduced. in a word, the technology improved ldv ’ s performance such as measurement precision, measurement range, dynamic response time 。 and it will have a wide application foreground

    針對存在的缺點,本文提出了一種應用於激光多普勒測的高精信號處理技術,即首先利用加hanning窗的welch周期圖演算法得到信號功率譜,搜索其譜峰值頻率,接著利用goertzel頻譜細化演算法對搜索的譜峰進行細化分析,再引入能量重心頻譜校演算法對細化后的譜峰進行校分析,從而將離散頻譜分析演算法、頻譜細化演算法和頻譜校演算法三者有機結合起來,充分發揮各自的優點:通過加hanning窗的welch周期圖演算法快得到功率譜及峰值頻率,通過goertzel演算法獲得分析頻帶的高解析頻譜,然後通過能量重心校演算法對細化后的頻譜進行高精,這樣不僅保證了演算法的高效性,而且大大提高了分析的精
  2. The whetting part is made of high rigidity metal, will remove the knife ' s surface metal by steel scurf, easy to control when whetting, and then fast shape the dull blade

    磨刀部分採用高硬的硬質合金材料,將刀具表面的金屬以鋼屑的方式去除,磨刀時用力易於掌控,從而將較鈍的刀鋒快成型。
  3. And the spherulite growth rate of phbv is studied and the factors, which influence the growth rate and the formula of spherulite growth rate, were discussed

    並通過對phbv球晶生長率的測定,對結。晶生長的方程及影響因素做出
  4. Several semi - active control algorithms used in the semi - active suspension system with mr dampers are proposed and developed including the " on - off " voltage controller, the continuously linear variable voltage controller, the modulated continuously linear variable voltage controller based on " sky - hook " damping concept and the hybrid controller based on the combination of " sky - hook " damping concept and " ground - hook " damping concept and the fuzzy logic controllers using measurements of the relative displacement between the sprung and unsprung mass or the absolute acceleration of the sprung mass as the input variables of fuzzy logic controllers. the simulation models were prepared in matlab ? simulink ? fuzzy toolbox programs. the experiment setup of the semi - active suspension system with mr dampers in the lab has been designed and developed

    根據磁流變阻尼器特性和對懸架系統動力學特性的規律性研究,為磁流變阻尼器設計了基於「天棚」阻尼控制概念的「 on - off 」 、線性連續和的線性連續控制策略,基於「地棚」阻尼控制概念的磁流變阻尼線性連續控制策略, 「天棚」阻尼和「地棚」阻尼控制概念線性組合起來的磁流變阻尼混合控制策略,根據模糊控制原理設計了以簧載質量和非簧載質量間相對位移或簧載質量加分別作為輸入變量的模糊邏輯控制器用於磁流變阻尼半主動懸架的智能控制。
  5. The simulation results further testify the correctness of the model and confirm the feasibility of the system. this paper also includes a velocity apparatus mainly based on doppler velocimeter. in this part the attention has been paid to the comprehensive effect of all kinds of factors that affects the precision of the doppler velocimeter, then a modification method for the original data for velocity computation has been given, as well as detailed formula for modification

    本論文中還介紹了一套以多普勒測儀為核心的測系統,重點對影響多普勒測的各種因素進行了綜合分析,提出了對測原始數據進行的方法,給出了具體的公式,並利用這些公式進行了測數據的計算機模擬,從而驗證了的有效性。
  6. The content including : ( 1 ) combined with the powerful matrix operation function and the abundant function computation of matlab, a load flow program is developed. due to the deeply research of admittance matrix, jacobian matrix and correction matrix, this program has a great advantage at both speed and code

    其主要內容如下: ( 1 )結合matlab軟體強大的矩陣運算功能和豐富的函數計算功能,對潮流演算法中導納矩陣、雅可比矩陣以及方程求解的實現方式進行了深入研究,開發出一種和代碼量都具有明顯優勢的潮流程序。
  7. 3. vecm of result indicate shanghai a index, shenzhen b, hengsheng index, and jiaqua - an index can recur equilibrium when they deparure equilibrium by coefficient of vecm moreover hengsheng index is very quike. by granger test indicate between a and b inde - x have cause and effect contemporary between hengsheng index and jiaquan index hav - e cause and effect, this result is same to vecm

    3 、誤差模型結果指出上海a股,深圳b股、恆生指數和加權指數在短期偏離均衡時,仍可經由誤差項的調整而回到長期均衡關系,並且恆生指數的調整是最快的向調整。
  8. 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測量的基礎上增加角變化率及相對運動的離心加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及其變化率信息定位和利用離心加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;第六章主要對角變化率和離心加參數的獲取技術進行了研究,提出了幾種高精測量脈沖序列多普勒頻率變化率的方法。
  9. The correctness is over 99 %. ( 5 ) shape features studied were aspect, first invariant central moment, elongatedness, roundness, circularity and thickness. aspect and first invariant central moment are the most effective shape features for identifying monocotyledonous weed from dicotyledonous weed, and the correctness was 93 %

    ( 4 )利用的色公式,由判別分析法確定色閾值,對雜草圖像進行閾值分割,能夠有效地識別植物與非植物背景,確識別率在99以上,但色的計算量大於過綠特徵的計算量,不利於雜草識別的提高。
  10. According to gaseous " molecular kinetic, the mass diffusion rate is within finite value. so theoretical conclusion of mass flux ' s producing and the essential relation of flux vs. force could be drawn. with the assumption that local density states in near equilibrium and the distribution is gradual changed, the classical first pick ' s law was modified considering mass relaxation time

    根據氣體分子運動論對質量傳播為有限值情況下的質量流的產生及流與力之間的本構關系作了理論推導,在假定局域濃處于近平衡態,其分佈為漸進的情況下得到了考慮質量鬆弛作用的經典fick第一定律的式。
  11. This paper presents a wider research field - risk analysis. through the study of the effects that threat factors and error factors impact on the flight risk and adjusting performance rules, the horizontal safe corridor, threat avoidance, vertical altitude real - time modification and the fastest trajectory programming are progressed

    總結前人在該方面的研究成果,提出一個更加廣義的研究角? ?風險分析。通過對威脅因素、誤差因素對飛行風險的作用,調整性能準則而進行了水平安全走廊設計、威脅迴避、垂直離地高實時以及最快航跡規劃。
  12. Our research analyzes comprehensively the sand data, such as thickness distribution, velocity distribution, frequency distribution of sand incipience velocity, expatiates the behaviors of these two sand incipiences in wind - blown - sand flow, then our research amends some deficiency of relative researches

    本文全面分析了沙粒濃分佈、分佈和沙面上起動沙粒參數的頻率分佈等,闡述了兩種沙粒起動方式在風沙流中的不同表現,並對相關研究資料中的不足進行
  13. In this dissertation, two kinds of optimization, methods are proposed. firstly, only these linking weights corresponding to the control rules that affect the control performance significantly are updated in order to reduce the compute works and speed up the training progress. secondly, the updating step is adjusted adaptively in accordance with the error and the change of error of the system based on the t - s model to get better performance

    針對模糊神經網路控制器一般存在著在線權值調整計算量大、訓練時間長、過權值可能導致系統劇烈振蕩等缺點,提出了兩種模糊神經網路控制器的優化方法:在線自學習過程中僅對控制性能影響大的控制規則相關的權值進行,以減小計算量,加快訓練;基於t - s模糊模型,根據偏差及偏差變化率大小動態自適應調節權值步長,抑制控制器輸出的劇烈變化,避免系統發生劇烈振蕩。
  14. That is, the prediction accuracy of the energy cost is influenced by incline of running

    也就是說,運動角會影響對運動能耗的估計精,需要根據運動和角對運動能耗的估計。
  15. Relaxation factors are adopted. a program is produced to simulate swirling air flow in a horizontal straight pipe and compare with experiment data. the simulation prove that the modified k - model can predict the core, annular and wall regions near entrance and axial velocity far from entrance, but it ca n ' t predict tangential velocity well in weak swirling area far from entrance

    編程計算水平圓管內螺旋氣流的流動參數並與實驗數據對比,結果表明-湍流模型在近入口處基本上能預測出中心區、環形區和近壁區的流動特性,在遠離入口弱旋流區域對軸向的預測符合實際情況,但是出現對周向速度修正過大的現象。
  16. The principle of realtime trajectory correcting single detector compound axis control in photoelectric tracking system was introduced through comparison between this method and common single detector compound axis control track method

    本文在對比一般單檢測型復合軸控制方法的基礎上給出了實是軌跡單檢測型復合軸控制方法的原理,速度修正所使用的預測濾波方法,以及跟蹤實驗結果。
  17. Adopting the deformation harmony theory, the numeric calculation of the curve of load versus settlement is made. the fitting results between the calculated curve of load - settlement and the measured one of piles with different construction process are illustrated. hence, under the condition of few or no static load test data, the performance of bearing capacity of single bored pile in loess may be predicted utilizing indexes of shear wave velocity, static cone penetration test and modification coefficient of depth, so it is remarkable to reduce the blindness of preliminary design of pile

    通過室內試驗及原位測試指標進行理論計算與現場實測值的對比,筆者引入了施工工藝系數k _ ( c1 )和k _ ( c2 )及深系數,使理論計算值與現場實測值具有良好的一致性,進而通過變形協調理論對荷載?沉降曲線進行數值計算,並用不同施工工藝的實例說明了理論計算荷載?沉降曲線與實測荷載?沉降曲線的擬合效果,從而達到可在不做靜載荷試驗或少做靜載荷試驗的情況下通過剪切波和靜力觸探試驗指標以及施工工藝系數等預測黃土地基中鉆孔灌注樁承載性狀,這對于工程初步設計中減少設計的盲目性具有十分重要的現實意義。
  18. The present research status and some methodologies about the 3d reconstruction and visualization are introduced in this paper, while three important contents, i. e., image pre - processing, 3d reconstruction and 3d reveal are more concerned. image pre - processing includes interpolating, filtering, gray adjusting, rotating, zooming, selecting voi and reducing elements which are very important for the next step. the work of this paper use marching cubes ( mc ) algorithm to reconstruct the 3d object after analyzing the volume rendering method and the surface rendering method

    在二維圖像預處理方面討論了濾波、灰、旋轉和縮放、感興趣區域voi ( volumeofinterest )的提取、減少體數據集中象素的數目、層間插值等,這些處理可以減少噪聲的干擾,使物體的特徵更加突出、需要處理的數據大大減少、節省存儲空間、加快繪制,這些處理對於後一步的三維重建是非常必要的;在三維重建方面,分析了面繪制和體繪制各自的優點和缺點,選取了面繪制中經典的mc演算法實現三維重建;在三維顯示中實現對體數據的顯示、剝離顯示、旋轉、等值面顯示、沿x 、 y軸的剖切顯示、光照顯示等效果。
  19. An affected ally recovers at twice the normal rate as long as he or she remains in the godsworn ' s care

    只要一直被士照顧,被影響的人的康復常人的兩倍。
  20. The text emphatically analyze the influence of all sort of interference to the imaging precision in the insar imaging process, particularly the influence of the earth - motion and the satellite - circle to the baseline. we have given the modification formulas of the height measurement in ct - insar and the velocity measurement in awnsar

    本文著重分析了在insar成像處理過程中各種干擾對成像精的影響,特別是地球運動和衛星環繞對基線的影響,給出了切航跡干涉sar ( crosstrackinterferometricsar : ct - insar )高和沿航跡干涉sar ( alongtrackinterferometricsar : at - insar )測公式和相應的計算機模擬結果。
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