確定速度時間 的英文怎麼說

中文拼音 [quèdìngsùdùshíjiān]
確定速度時間 英文
velocity learning time
  • 確 : 形容詞1. （符合事實; 真實） true; reliable; authentic 2. （堅固; 堅定） firm
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 速 : 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 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 確定 : 1. （明確地定下） define; fix; determine; ascertain 2. （明確而肯定） definite; certain; for sure
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. For increasing the effective material peak - value power ( empvp ), solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state and improving the efficiency of the pmsm, some solving method are taken as follows : the influence of length / diameter ratio to the empvp is analyzed, and the optimum size of length and diameter is chosen

    主要是從提高電機的有效材料峰值功率、解決pmsm提高電動機運行狀態時的弱磁擴速能力和減小發電機運行狀態時的電壓調整率之間的矛盾及提高電機的效率著手，分析了長徑比、氣隙長度對有效材料峰值功率的影響，並確定了它們的最佳尺寸。
  2. It is shown that the effect of pac removing fluoride is closely related to ph value and the optimum range of ph value is between 6. 1 ? 7. 1. under this condition, further studies are made on the optimum coagulant dosage, mixing time, artificial turbidity, filtration rate and filter bed ' s depth and the optimum range of these parameters have been determined

    堿式氯化鋁的除氟能力與原水的ph值有密切的關系，除氟最佳ph值范圍為6 . 1 ? 7 . 1 。在此條件下，進一步對最佳投藥量、混合時間、反應時間、人工輔助投加濁度、濾速及濾層厚度進行了研究，確定了其最優的取值。
  3. Some main results of testing research were as fellows : i. in the course of testing of leaching zinc dross, leaching zinc dross by sulfuric acid was researched and the effects on the leaching rate of the zinc dross were analyzed by author, the optimum conditions of leaching testing of zinc dross were determined as fellows : liquid - solid ratio 6 : 1, stirring ratio 250r / min, granularity 120 mesh, the soaking time 5h, the concentration of sulfuric acid of 30 %, and under these conditions, the rate of leaching zinc is above 92. 0 %. ii. in the course of testing of purification, on the basis of comprehending and comparing all present methods of the manganese - removal and iron - removal, the oxidizing method of manganese - removal in zinc sulfate solution using ammonium persulfate was put forward and the oxidizing method of iron - removal in zinc sulfate solution using the goethite process and oxidation - hydrolysis process was adopted

    研究的主要結果具體如下： 1 、研究了硫酸浸出鋅浮渣並分析了影響浸出率的各種因素，確定了浸出鋅浮渣的最佳條件為：液固比為6 ： 1 ，攪拌速度為250r min ，粒度為- 120目，酸浸時間為5 . 0h ，硫酸濃度30 ，鋅浮渣的浸出率大於92 . 0 ； 2 、在綜合和比較了目前除錳和除鐵的各種方法基礎上，提出了過硫酸銨氧化除錳方法和選擇了針鐵礦-氧化水解聯合法除鐵方法，並分析和討論了影響除錳率和除鐵率等各種因素，確定了除錳的條件為：溫度90 ， ph值5 . 4 ，反應時間3h ，過硫酸銨達到理論值的1 . 2倍，除錳率超過99 . 86 ；聯合法除鐵的條件為：氧化反應時間1 . 5小時、溫度控制在90 92 、 ph值5 . 2 5
  4. ( 2 ) the reaction factors optimized by orthogonal tests are : the emulsion polymerization temperature is 60, the reaction time is 3 hours, the amount of emulsifier is 8wt %, the hydrophile lipophile balance ( hlb ) value of emulsifier is 15, the stirring speed is 4000r / min, the dropping speed is 1. 1g / min

    用正交實驗確定的最佳聚合反應工藝參數為：水解溫度60 ，水解聚合時間3h ，乳化劑用量8wt ，復合乳化劑hlb值為15 ；攪拌速度為4000r min ，滴加速度為1 . 1g min 。
  5. Secondly, compared with some other kinds of comparator structure and based on the preamplifier - latch fast - compare theory, a novel topology of cmos preamplifier latch comparator circuit is presented. considering trade - off between kickback noise and power dissipation, reference resistance value is optimized. according to the encode demands of different stage resolution, clock - control encode circuit is designed

    其後，在具體的子adc設計中，對比各比較器類型的優缺點，並基於預放大鎖存快速比較理論，提出一種新型高速低功耗預放大鎖存比較器電路拓撲;根據adc系統所允許的參考電壓最大波動限制，在回饋噪聲對輸入參考電平的影響和功耗之間折衷，確定優化的參考電阻串阻值;根據不同級精度的編碼要求，設計出時鐘控制編碼電路。
  6. The cross section area of the internal sprue of the die casting dies designed should be of proper value, and matches perfectly the fill speed, the fill time and injection pressure in case that the die casting dies fail in the design

    設計壓鑄模時應當確定恰當的內澆道截面積，並使之與充填速度、充填時間和壓射比壓保持較好的匹配，以防止壓鑄模設計的失敗。
  7. Z - tranformation augmented fasf algorithm proposed in the dissertation can reduce the search space of integer ambiguity effectively, improve the effiency and real - time processing ability of integer ambiguity resolution ; it is essential to analyse the reliability of integer ambiguity after it was fixed, the ratio test algorithm proposed in the dissertation can reduce the time to fix new integer ambiguity after wrong fixes are detected ; to reduce further the number of epochs required for ambiguity resolution, that the baseline length constraint information which acts as observables is used to do kalman filtering to speed up ambiguity resolution is proposed

    本文提出的z變換增強fasf演算法能有效的減小模糊值搜索空間，提高整周模糊值解算的速度和實時性；整周模糊值確定后，需要對整周模糊值的可靠性進行分析，本文提出的比率檢測演算法能有效的減少整周模糊值錯誤確定后整周模糊值二次解算所需要的時間；為了進一步減少整周模糊值解算所需的歷元數目，本文提出把基線長度先驗信息作為觀測量進行卡爾曼濾波輔助整周模糊值求解。
  8. The application of sa and heuristic algorithm in packing problem is studied deeply. an improved sa, which utilizes heuristic approach in search tragedy and movement tragedy, is introduced and manifested to enhance the rate of convergence with an extent of exact solution

    對sa演算法和啟發式演算法在布局問題中的應用進行了研究，為提高收斂速度同時保證一定精確度，對sa演算法進行了改進，在演算法的搜索策略和變動策略中應用了啟發式方法，縮小布局狀態空間的搜索。
  9. In order to achieve high precision results and advance efficiency within a short observation time, the integer ambiguity has to be solved fast and correctly

    準確和快速地解算整周模糊度，對于保障相對定位的精度，縮短觀測時間以提高作業效率，是極其重要的。
  10. Abstract : analyzing the general method of temperature screening for assembly in our country, combined with the experience of accelerated testing abroad, we proposed a definition method of parameters, such as temperature range, rate of change of temperature and dwell time. in this paper, we introduce some experience in a temperature screening of a mainboard

    摘要：分析了目前國內在組件溫度篩選方面的一般做法，吸收國外加速試驗的經驗，並借鑒定量篩選中根據成效率確定無故障檢驗時間的方法，提出了組件溫度篩選中各參數（如溫度范圍、溫度變化速率、高低溫保持時間和循環數）的確定方法，並以一種稅控加油機主板的溫度篩選為例，介紹了組件溫度篩選方法研究中所總結的一些經驗。
  11. Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process

    在相同的注射條件下，通過分析喂料在不同直徑和長度流道中的流動規律，得到了喂料在流道中的速度場、壓力場和溫度場，找到了流道長徑比的合理取值范圍，並得出通過改變流道設計可實現對現有設備資源充分利用的結論；給出了不同注射壓力下，型腔壓力與充模時間關系曲線和喂料熔體平均充填速度與充模時間關系的曲線，得到了注射壓力對充填時間和型腔壓力的影響規律，確定了最佳的充模時間、注射時間和注射壓力；通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動速度和壓力分佈，預測了注射件的成形質量，或可能產生的注射缺陷及位置，優化了澆口設置。
  12. Liquid - solid extrusion of composite material is a new kind of metal forming process, which has been developed in recent years with a promising practical application prospect for its simple working procedure, low cost and good workpiece performance. through a lot of experiments, the optimization and chosing method of key process parameters ( pouring temperature, mold warm - up temperature, impregnating pressure, impregnating time ) has been mastered. under the precondition of appropriate chosing these parameters, the effective control of extrusion velocity is the key of mading good workpiece. but the control of extrusion velocity remains a handwork, and it is heavily affected by such uncertainties as a handler ' s knowledge and skill about the process. in order to solve the problem, the automatic control of the extrusion velocity is studied, and a computer control system is also designed under existing condition

    通過大量實驗，已掌握了關鍵工藝參數（熔液澆注溫度、擠壓模預熱溫度、浸漬時間、浸漬力）的優化選取方法。在合理選取關鍵工藝參數的前提下，擠壓速度的控制是成形出質量良好製件的關鍵。但是，目前對于擠壓速度的控制仍停留在手動控制階段，利用該工藝制備管、棒材製件的成功與否受操作者對該工藝及其設備的經驗及熟練程度等不確定因素影響很大。
  13. Besides, scan rate and cycle period also affect the result ; co - deposition of dualistic oxide is a focus of research, as an element in the same group, ir is selected. deposition rate of composition is decreased by the adding of ir composition, and when the proportion of ir exceeded 50 %, composition procession can be ceased. but cooperation of ir and ru oxide can highly increase the specific capacitance of active material ; annealing treatment under a certain temperature can help to change the hydrate ru composition into mixture state ru oxide, accordingly increase the stabilization of active material

    研究表明:電解液的配製過程中，氯化釕濃度、溶液ph值、陳化時間、溶液溫度對電鍍效果均有影響，其中溶液ph值是最主要的影響因素;在儀器的使用條件探索中，理論結合實驗確定了本電鍍液體系循環伏安電勢窗的理想范圍，並發現循環伏安掃描速度和掃描周期對電鍍結果也有較大影響;混合氧化物的共沉澱是目前研究熱點，在此選用與釕同一族的銥作為共沉澱元素，銥的加入會阻礙氧化物的沉積速度，銥的比例超過50 %會使沉積作用停止，但是二元氧化物的協同作用使沉積的活性物質比容量大大提高;一定溫度下退火后處理作用會使水合釕化物轉變成混合價態的氧化釕，從而提高活性物質的穩定性。
  14. Up to now, the current velocity measurement methods can only generally be used to determine the average velocity of a moving object between two points

    目前速度的測試方法一般僅能確定運動物體在兩點間的平均速度，瞬時速度的連續測試方法在國內尚未得到足夠的開發和應用。
  15. Secondly, the identification algorithms of road traffic status are studied including methods of determining floating car sample sizes which are based on “ the relationship between floating car sample sizes and accuracy of traffic information detection ” and “ the relationship between floating car sample sizes and requirement of road network information detection ”. the road traffic identification algorithm grounded on the journey - time is analyzed. besides, road traffic identification algorithm based on average speed is put forward and the validity of these two methods is analyzed in the thesis

    主要工作包括:從「浮動車數量與交通流信息檢測準確性關系」 、 「浮動車樣本數量與路網全方位信息檢測需求關系」兩方面對浮動車數量確定方法進行研究，給出了演算法模型;同時，分析了基於行程時間的道路交通判別演算法，提出了基於指數平滑法的平均瞬時速度道路交通判別演算法，並對兩種演算法的有效性進行分析比較。
  16. Baseing on the request of low coercivity and high squareness in application, we had confirmed the main formulation of the lizn ferrite ; during the study of the conventional ceramic process, with the main formula foundation, we mainly studied the influence of ti4 +, co3 + on lowering coercivity and bi2o3, v2o5 on lowering sinter temperature. the results showed bi2o3 good characteristic on lowering sinter temperature and the sample which mixed with 1 % bi2o3 could reduce 40 % coercivity through slowing heating rate and extending the holding time

    在氧化物陶瓷工藝技術研究中，按實際應用中低矯頑力、高矩形比的要求，確定了lizn鐵氧體的主配方，在主配方基礎上進行了ti4 + 、 co3 +等離子對降低矯頑力的研究以及添加bi2o3 、 v2o5助熔劑對降低燒結溫度的研究，發現bi2o3具有優良的降低燒結溫度的特性，在添加bi2o3樣品燒結過程中，降低升溫速率，延長保溫時間可以降低40 %左右的矯頑力。
  17. A simulation method is proposed to predict the motion artifacts of plasma display panels ( pdps ). the method simulates the behavior of the human vision system when perceiving moving objects. the simulation is based on the measured temporal light properties of the display for each gray level and each phosphor. both the effect of subfield arrangement and phosphor decay are involved. a novel algorithm is proposed to improve the calculation speed. the simulation model manages to predict the appearance of the motion image perceived by a human with a still image. the results are validated by a set of perceptual evaluation experiments. this rapid and accurate prediction of motion artifacts enables objective characterization of the pdp performance in this aspect

    針對目前等離子顯示屏普遍存在的運動偽像問題，提出了一種新穎的模擬計算方法，該方法實現了對等離子體顯示屏運動偽像的準確、快速估計.該方法通過測量等離子顯示屏不同顏色不同灰度下光信號隨時間的變化情況，模擬人眼對運動圖像的視覺感知行為，模擬計算出任意圖像以一定速度運動下的視覺感知效果.新演算法不但加入了等離子顯示屏熒光粉的延遲效應的影響，而且提高了模擬計算速度.所得模擬結果與實際主觀視覺感知實驗相符.這種快速準確的估計使對等離子顯示器件運動偽像的客觀評價成為可能
  18. Abstract : a simulation method is proposed to predict the motion artifacts of plasma display panels ( pdps ). the method simulates the behavior of the human vision system when perceiving moving objects. the simulation is based on the measured temporal light properties of the display for each gray level and each phosphor. both the effect of subfield arrangement and phosphor decay are involved. a novel algorithm is proposed to improve the calculation speed. the simulation model manages to predict the appearance of the motion image perceived by a human with a still image. the results are validated by a set of perceptual evaluation experiments. this rapid and accurate prediction of motion artifacts enables objective characterization of the pdp performance in this aspect

    文摘:針對目前等離子顯示屏普遍存在的運動偽像問題，提出了一種新穎的模擬計算方法，該方法實現了對等離子體顯示屏運動偽像的準確、快速估計.該方法通過測量等離子顯示屏不同顏色不同灰度下光信號隨時間的變化情況，模擬人眼對運動圖像的視覺感知行為，模擬計算出任意圖像以一定速度運動下的視覺感知效果.新演算法不但加入了等離子顯示屏熒光粉的延遲效應的影響，而且提高了模擬計算速度.所得模擬結果與實際主觀視覺感知實驗相符.這種快速準確的估計使對等離子顯示器件運動偽像的客觀評價成為可能
  19. It has the following four features : 1. reduce starting and stopping impact, travel smoothly ; 2. the lifting speed can be designed at random in the range of 1 / 8 rated speed ; 3. to improve work efficiency, the lifting speed with no load can be set at random between the rated speed and 1. 5 times the rated speed ; 4. to change the frequency of the motor through transducer and make the motor work with slow speed in order to improve its site accurateness

    該產品具有以下四個特點： 1 .能減小啟動、停止時的沖擊，具有平穩運行的性能； 2 .能按需求設定起升速度，可在1 / 8額定速度之間隨意設定； 3 .能提高工作效率，在空載下，起升速度可在額定速度到1 . 5倍額定速度之間設定； 4 .可以通過變頻器對運行電動機進行變頻控制，從而使運行電動機微速運行，提高運行定位的準確性，還可以進行點動操作。
  20. Case 1 : when there is no relative measurement, each satellite uses its own on - board attitude sensors to determine its attitude, and exchange the information through the communication link between formation satellites, and then the relative attitude is determined through simple mathematical operation. case 2 : based on the range measurements of gps like sensors, using two - point measurement of the relative orbit state to establish relative orbit and attitude kinematics and measuring equations. and state estimation is achieved through the extended kalman filter technology and unscented kalman filter technology, respectively

    方案一，在星間無相對測量時，由衛星自身攜帶的姿態敏感器實現單星高精度姿態確定，利用星間通信鏈路進行信息交互，通過簡單的數學計算獲得星間相對姿態;方案二，利用類gps相對測量，建立了編隊衛星相對軌道運動和相對姿態運動模型及相對距離測量方程，推導了兩點相對軌道運動模型，設計了擴展卡爾曼濾波器及uscented卡爾曼濾波器，對相對位置、速度和姿態進行估計。
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