速度突變 的英文怎麼說

中文拼音 [biàn]
速度突變 英文
velocity jump
  • : 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 (猛沖) dash forward; shoot out 2 (高於周圍) protrude; bulgeⅡ副詞(突然) abruptly; sud...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  • 突變 : 1 (突然急劇的變化) sudden change; change suddenly; transilience; accident; saltation; revulsion...
  1. Bridge health remote monitoring is a method to monitor a bridge in lineate or wireless way in real time, it changes the traditional way of monitoring by manpower, works more automatically, highly increase the response speed when any structure breakage is happened, save manpower and material resource, through this method, people can also manage many bridges in one place remotely

    橋梁遠程監測是利用有線或無線通信方式實現橋梁狀態實時遠程監測的方法,它改了傳統的以人工為主的監測手段,大大提高了橋梁監測的自動化程,提高了對橋梁結構損壞和發事件的反應,節約人力物力,是國內外的熱點研究領域。
  2. This paper discuss the accelerometer base on mutual inductance variety for filling up the blank in silicon accelerometer of home, boosting up the onrush of weapon, improving the precision of navigation system is very importance, at one time, for taping the big measure rang accelerometer provide a new technology approach

    本文論述的基於互感化的硅加計對于填補國內硅加計空白,增強武器的防能力,提高慣導系統的精確性是非常重要的,同時為開發大量程加計提供了新的技術途徑。
  3. Fast human face detection based on grey discontinuous feature structure

    基於灰特徵結構的快人臉檢測
  4. Biologically functional sequences, as the theory goes, tend to undergo mutation at a slower rate than nonfunctional sequence, since mutations in these sequences are likely to be selected against

    生物功能排序,如理論進行的那樣,往往是比非功能排序以較低經歷,因為在這些排序里很可能是選擇保護。
  5. Since linear acceleration and deceleration make motor abruptly stop and start that create the sharp corners of the velocity profile, s - curve motion profile refers to solving the problems

    針對線性加減控制策略會引起速度突變,造成沖擊的問題,本課題還研究了s型加減控制策略。
  6. It will change the hydraulic conditions of the river, such as widening the water surface, decreasing water - flow velocity and purification capacity of water body in reservoir area meanwhile, many problem will be encountered, such as a large quantities of pollution in cities and towns, harmful matters in pesticide and fertilizer in reservoir area, poisonous pollutants in rainfall, accidental discharge of municipal wastewater or industrial sewage, limits of low economic level and urbanization etc.

    該水域的水力學條件發生化,水流減緩,岸邊污染帶加寬,水體的環境容量降低;三峽庫區城鎮污水處理廠和廠礦的有害廢水處理設施不可避免地會發生事故排放;成庫期內庫區城鎮污水的治理很難達到水質要求,以及三峽庫區目前較低的經濟和城鎮化水平制約,庫區城鎮供水面臨的水環境問題日漸出。
  7. The most surprising feature of this table is that the rate of addition of a wide variety of radicals to ethylene varies so little.

    此表最出的特點是,各種自由基對乙烯的加成化如此之小。
  8. Wavelet transform is a kind of time - frequency analysis method in signal processing and is becoming more and more popular during these years. its multi - scale property, localization both in time and frequency domain, sensitivity to the abrupt change of signals, and good to denoising make it an ideal way for edge detection

    近幾年來迅發展起來的小波分析,由於其具有時頻局部換的特性及多尺性,能敏感地反映信號及良好的去噪效果,因此能準確、有效地確定圖象邊緣位置,因此是一種理想的邊緣檢測方法。
  9. Virtual instrument ( vi ) technology and er technology are combined together. the measurement and control system of rera are set up based on vis. the establishing and controlling scheme of the system are introduced

    波紋式電流傳動機構是電流技術在傳動機械學中的一項破,它具有響應快、能實現無級調節和易於計算機控制等優點。
  10. Flux position & error in flux magnitude and error in torque are used as fuzzy state variables. fuzzy logic is used for choosing the switching state. a fuzzy logic controller can choose the switching states according to a set of fuzzy rules based on both specialists " experience and knowledge, which improves the response performance of the system effectively during start - up and change in load

    作為本文的一個創新點,針對普通的直接轉矩控制在給定轉矩躍時反應較慢的缺點,提出了一種模糊控制器,把磁鏈位置、磁鏈誤差和轉矩誤差作為模糊輸入量,應用模糊邏輯來確定逆器的開關狀態,該模糊控制器根據一套基於專家經驗和知識的模糊規則來選擇開關狀態,從而有效地提高了系統在啟動和負載時的響應
  11. We also analyze the influence of the boundary condition 、 safety distance and deceleration probability to the traffic flow. finally, we propose an crossroad modle. this model is made up of one main road and one branches : traffic with lights placed on the crossing, vehicles " breaking while running and turning to other direction while jamming. we investigate the velocity and flow of the model when the initial density, the brake and turning probabilities, the green to signal ratio are changed. then the reasons causing all the kinds of phenomena are analyzed

    最後研究了周期性邊界條件下的十字路口的ca模型,該模型由一條主幹道和一條支道組成,在幹道與支道的交叉路口設置紅綠燈,車輛在運行中對發事件發生反應的剎車,路口的車輛可以轉向等各種實際交通行為,並通過計算機模擬,研究模型在改車輛的初始密、剎車概率、轉向概率、紅綠燈信號的綠信比等各種情況下支、主幹道車輛的、流量的化,並分析在各種情況下交通狀況的成因,提出改善交通的有效措施。
  12. Secondllv in the 1 d random traffic flow model. the relation function between the correlation and the creation. disappearance. brake probabilities of the vehicles is presented. according to the statistical mechanical approach to the spatial correlation functions. the theoretical results agree with that of the computer simulation. thirdh. based on the bml model. a main - road traffic flow model with two speeds on two dimensions is designed. this model simulate the traffic situation of one main road and several branches in the cit traffic lights placed on the crossing. vehicles breaking ~ vhile running and turning to other direction while jamming. we investigate the ~ ' e1ocitv and flo ~ ~ of the model when the initial densitvthe brake and turning probabilities. the green to signal rati3. thc number of the branches and the period of the signal are changed. then the reasons causing all the kinds of phenomena are analvzed. finallv. we simulate the bml model using the method of lattice boltzmann which ~ vas brought out by liu mu - renand obtain the velocity - density graph similar to the previous result. the upper critical densiw above which there are oniv jamming configurations. and the lo ~ ver critical density below which there are only moving configurations are the same as before. the boltzmann function which is on the lattices shows the moving and jaxmning transition obviouslv. thus it proves the possibilit of this method on the traffic research

    接著,建立了和研究了二維二的主幹道模型,該模型模擬了城市交通中一條主幹道,多條支道的交通情況,在幹道與支道的交叉路口設置紅綠燈,車輛在運行中可以有對發事件發生反應的剎車,在發生堵塞時,路口的車輛可考慮通過轉向來緩解交通等各種實際情況的發生,給出了車輛演化的演化方程,並通過計算機模擬,研究模型在改車輛的初始密、剎車概率、轉向概率、支道數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下支、主幹道車輛的、流量的化,並分析在各種情況下交通狀況的成因,提出改善交通的有效措施。最後,在劉慕仁提出的用格子boltzmann方法研究一維決定論交通流的思路下,將此法推廣到對二維bml模型的模擬上,得到了與用以往方法的研究結果相類似的-密圖線,且車輛從運動相到堵塞相轉的上下臨界密是一致的,同時分別給出車輛在處于暢通相和堵塞相時, boltzmann函數在格子上的分佈情況,進一步驗證了此法的可行性。
  13. According to the analyses of the research results about the feasibility of 4 - d seismic and the successful 4 - d seismic cases of foreign companies, the author put forward the suggestions for 4 - d seismic pilot area selection ; briefly analyzed the influential function of producing way on the seismic response ; utilized theory calculation, coring data analyses, and reservoir numerical simulation to define the fluid substitution effects on the p - wave velocity. through long time water driven to the reservoir, some of the properties and the log curves have changed, the author tried to find the variation rule of the reservoir and its effects on seismic velocity. the " blind point " in 4 - d seismic feasibility study both in china and overseas was found, that is the lack of consideration of the influence of physical property variation by long time water driven on the seismic response

    在深入分析國外四維地震可行性研究成果和成功實例的基礎上,提出了有利於水驅四維地震成功的工區優選條件;簡要剖析了各種開采方式及其對地震特性的影響;利用理論計算、巖心分析、油藏數值模擬三種方法確定了流體替代對縱波的影響;通過對長期水驅造成的物性參數、測井曲線以及油藏溫和壓力化規律的總結,分析了這些化對地震的影響,指出了目前國內外水驅四維地震可行性研究中存在的盲區?沒有充分考慮長期注水造成的物性、溫和壓力化對地震響應的影響,完善了水驅四維地震可行性研究的內容;在考慮了這些化因素后,高29斷塊水驅四維地震可行性研究結果表明:四維地震監測注水前沿可能要比監測油藏化容易的多;以四維地震巖石物理可行性研究結果為基礎,提出了五個有助於出四維地震造成的微小差異的途徑,為今後水驅四維地震研究指明了方向。
  14. When multi - kinds of interference occur, such as the barrier, the circumstance of upgrade and downgrade resulting in the change of resistance, and electrical source ' s fluctuation, all those influence has a little influence on the speed of welding dolly and the invariable speed and the regulative speed can be realized

    當受到各種干擾(即行走過程中遇到障礙物或上坡、下坡等情況,小車的阻力發生化及電源波動為主的發干擾)時,焊接小車的行走幾乎不受影響,實現了焊接小車的恆行走。
  15. In order to overcome the disadvantage of 2bps - 2 plastic film mulch seeder with watering apparatus that the operation speed is limited and the moisture evaporation loss is great, according to the theoretic analysis of water movement in soil, this paper offers another watering project - hidden watering under film, designs three different types of watering devices, meanwhile conducts test research with different watering devices in different position the change of the soil moisture content

    本課題針對2bps - 2型坐水鋪膜播種機坐水后,土壤水分蒸發損失大和機組作業低的出問題,通過對水在土壤中運動的理論分析,提出了在行間膜下的暗道式施水方案,圍繞此方案設計了三種坐水部件,並就不同坐水部件在不同施水位置施水后,種子帶土壤含水量的化進行了試驗研究。
  16. In the measurement of the high density resistivity method, there is often some false data in the data section because of the influence of poor earth contact of electrodes and other interference factors etc., which can cause false abnormality of data section and make data interpretation difficult

    摘要針對在高密電阻率法測量過程中,數據斷面易出現點,而造成電阻率擬斷面圖虛假異常,難以準確解釋的情況提出了一種快、高效的剔除點的方法。
  17. They examined the number of mutations in the dna sequence of each species to estimate its rate of evolutionary change

    他們檢查了每個物種的dna脫氧核糖核酸序列中基因的數量,並以此估計出該物種的進化
  18. The most before all others in this part by analyzing natural changes condition of the shandong total population, the change of population age composition type, development of population age pyramid and old age at age to foster the detailed analysis of coefficient change, and unfolds before one ' s eyes a course of aging development of shandong population, then four protruding characteristics of aging development of shandong population are summed up out on this foundation : population aging speed is fast ; district difference is clear, urban and rural difference is notable ; the population age structure in " gold particular period " of population and at the initial stage of population aging

    然後分析了世界和中國人口老齡化的發展特點及趨勢,為後文對山東省人口老齡化的分析奠定理論和實踐基礎。第二部分:山東省人口老齡化進程分析。此部分中首先通過對山東省總人口自然動、人口年齡構成類型化、人口年齡金字塔演和老年撫養系數化的詳細分析,展現出山東省人口老齡化發展的過程,在此基礎上總結出山東省人口老齡化發展的四個出特點:老齡化快;地區差異明顯;城鄉差異顯著;正處於人口老齡化初期和人口年齡結構的「黃金時期」 。
  19. This control method resolves the speed jump problem existing in some previous tracking controllers

    該控制器解決了以往大部分跟蹤控制器所產生的速度突變問題。
  20. This paper primarily studys that how to make robot system works smoothly under condition of random obstacles by sensing environmental informations, on the other hand, the robot control system use dynamics method instead of location one to command manipulators performance, as a result, impact force between manipulators each other which is caused velocity _ break will be reduced greatly, and then, manipulators " life _ span will improve naturally, and because of reliable obstacles - avoidance arithmetics, robot system is almost able to feedback to obstacles as fast as it be, this character makes its intelligence mount up greatly

    本論文旨在研究針對惡劣環境(有隨機障礙物存在) ,使機器人在正常工作前提下,通過「感知」外界環境,迴避一切可能影響其工作的情況。另外,機器人控制方面,利用動力學代替位置控制,從而減小機器人在迴避障礙物過程中由於速度突變而引起的沖擊力,以提高其使用壽命;並利用可靠的避障演算法使其能在最短的時間內做出快迴避的反應,以提高其智能性。
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