道間移動時間 的英文怎麼說
中文拼音 [dàojiānyídòngshíjiān]
道間移動時間
英文
track-to-track moving time- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 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...
- 移 : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
- 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...
- 移動 : 1 (改換原來的位置) shift; move 2 [力學] translation motion; removal; shifting; dislocation; dis...
- 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...
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Jupiter has a sidereal period ( its movement with respect to the " fixed " stars ) of 11 years, 314 days, and 839 minutes, so in nearly 12 years it is back into conjunction with those stars from which it began its orbit
木星有一個恆星周期(它的移動與「固定的」星星相關) ,是11年零314天839分,因此從它的軌道開始,差不多12年的時間,回到了與那些星星關聯的位置上。In wireless communication, the relative movement between the transmitter and the receiver may cause the change of the electromagnetic wave propagation path, thus makes the channel become a random time - variety channel
在無線通信中,發射機和接收機之間的相對移動會造成電波傳播路徑的改變,從而使通道變成隨機時變通道。Thirdly, it simulated the pumping circuit & dividing circuit with the widely used software matlab / simulink. the displacement of the rod piston and the impact of hydraulic are analyzed in the different input flow ( frequency of pump ) and different reversing time. it found out the cause of hydraulic impact ( one - to - one incorrespondence between the response time of dividing circuit and the operation time of rod piston ), and gave some methods to weaken hydraulic impact. in the final part of the paper, the reliability of the theory analysis is further verified by the experiment of hydraulic system
首先在流變學原理的基礎上,深入分析混凝土在輸送管道內的流動狀態,得出混凝土泵的負載特性方程;然後根據功率鍵合圖的建模方法,建立泵送迴路和分配迴路的數學模型,並運用模擬軟體matlab simulink對泵送和分配迴路模型進行了模擬,分析了在不同的輸入流量(泵送頻率)和換向時間下,活塞桿的位移和系統的液壓沖擊情況,找到了引起液壓沖擊的根本原因(即分配迴路的響應時間(固定值)與活塞桿的運動時間(變化值)不相匹配) ,並提出了相應的改進方法。Draw a line down the center of a newspaper column. center your vision on the line and try to grasp the meaning of the words on each side as you move down the page
在報刊的一個欄目中間劃一道線,把你的視線集中在這條線上,當視線向下移動時,盡量抓住線兩邊文字的意思Through theoretical calculation it gets the sizes required to make this device effective, proves this device can trig the cable car at any place of the railway when the tow steel wire ruptures suddenly provided that the desirable sizes are meted. it also calculates the trigging displacement, acceleration and time
通過理論計算,得出了該套安全保護裝置合理的尺寸要求,證明了在牽引鋼絲繩發生突然斷裂時,該套安全保護裝置確實能將纜車系統制動在運行軌道的任何位置,並計算出了制動位移,制動加速度和時間。When the transportation load is long - term evenly distributed, the influences of each relevant factor, i. e. pipeline depth, diameter, deformation module of foundation, poisson ratio of soil and tyre pressure of vehicles, toward mises stress and vertical displacement of pipelines are discussed. when the transportation load is movable and invariable, the changing rules of mises stress and vertical displacement during the vehicle ' s movement are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are discussed. when the transportation load is stable and simple harmonic, the changing rules of mises stress and vertical displacement during the time of load function are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are also discussed. in three - dimensional analysis, mises stress and vertical displacement of pipelines under three kinds of transportation loads are calculated, and the analysis and discussion of correlative factors are also made
當交通荷載為長期均布荷載時,討論了各相關因素,包括管道埋深、管徑、地基變形模量、地基泊松比和車輛輪壓大小分別對管道mises應力和豎向位移的影響;當交通荷載為移動恆載時,計算並分析了車輛行駛過程中管道mises應力和豎向位移的變化規律,討論了車速和車輛輪壓對這兩個管道力學性狀的影響;當交通荷載為穩態簡諧荷載時,計算並分析了荷載作用時間內管道mises應力和豎向位移的變化規律,討論了車速和車輛輪壓對管道力學性狀的影響。Just as we scan a visual scene with our eyes, star - nosed moles constantly shift the star to scan tactile scenes as they travel through their tunnels, quickly exploring large areas with the eimer ' s organs of all 22 appendages
正如我們以眼睛掃描視界,星鼻鼴在地道里穿梭時,也持續移動星鼻來掃描觸界, ?們用上全部22個附器的艾瑪氏器,來快速探測大?圍的空間。And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion
論文首先描述了數字電視地面廣播的需求條件,技術難點和目前存在的問題,並重點分析了dvb - t系統結構流程,核心技術及系統通道特性和參數,該系統採用了cofdm (編碼正交頻分多路復用) ,大量導頻信號插入和保護間隔技術等核心技術,使之能抵抗高電平( 0db ) ,長延時的靜態和動態多徑失真,有利於數字和模擬電視的混合傳輸,它的多載波調制模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。The distribution of all the genera and species ( including new taxa and new data by present research ) of the world are summarized, according to the history of continental drift and the result shows that empoascini originated in the oriental region in pangaea 145maago. zoogeographical analysis of all the taxa in china shows that most of the genera and species of empoascini are distributed in the oriental region, which is identical with the geographical distribution worldwide, i. e. most taxa distribute in the tropical and subtropical zone. phylogenetic analysis of 40 chinese genera of empoascini with one outgroupikranewa is presented in this paper
在生物地理及區系方面,總結了世界已報道及本研究新發現單元共計88屬1183種在世界各大動物地理區的分佈情況,結合大陸漂移學說的有關知識,認為小綠葉蟬族應起源於東洋區,起源時間在聯合古陸時期(約145ma以前) ;分析了中國已報道及本文新發現該族共40屬263種在中國動物地理區劃的歸屬,結果表明,中國小綠葉蟬族的種類分佈以東洋區占優勢,明顯多於古北區,這與世界該族昆蟲大多分佈於熱帶、亞熱帶的結果相一致。It also calculates theoretically the minimal time interval between two trains in quasi - moving - block signaling system and recommends approximate values for the length of coded digit track circuit. the rapid development of urban rail transit demands a deep understanding on the features of track circuit
在此基礎上,針對當前應用廣泛的基於數字軌道電路的準移動閉塞atc系統進行了重點分析,詳細討論了數字軌道電路的原理、準移動閉塞系統的列控方式等內容,並對準移動閉塞下的最小列車追蹤間隔時間進行了理論計算和分析,給出了數字軌道電路長度的推薦值。In wcdma system which uses direct sequence to spread spectrum, the spread spectrum code ( pn code ) phase of the receiver must be synchronized with that of the received signal precisely to despread and demodulate the signal correctly. multipath channel exists in the mobile communication environment for the radio signal reflection by obstacles between transmitters and receivers. by using the autocorrelation of the spread sprectrum code, rake receiver can process received signals and therefore multipath components can be resolvable
在wcdma系統中,為正確解擴解調接收到的擴頻信號,接收機本地產生的擴頻碼( pn碼)相位必須和接收信號中的擴頻碼相位完全同步;同時移動通信環境中的傳輸信號由於接收機和發射機之間的直達路徑有可能被建築物或其他障礙物所阻礙,總是經過折射或反射的多條路徑后才到達接收機,從而產生多徑通道。The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics
採用霍爾元件作為缺陷漏磁檢測傳感器,獲得管道軸截面漏磁場切向分量的漏磁信號;研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁化強度、檢測儀移動速度、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和平滑等漏磁信號預處理方法;分析了等空間采樣的漏磁信號轉換為等時間采樣信號的必要性,研究了漏磁信號的小波去噪方法。At the same time, the character of dynamical parameter under dynamical loads was taken into accout, so elastic eular - bernonulli foundation beam model under traffic loads was set up. in this model, firstly, the detailed resolution process accounting the parameters changing with the space was gained ; secondly, the detailed resolution process accounting the parameters changing with the time was gained, too
同時,建立了考慮管-土系統參數在動力下存在動態變化特點的交通荷載下管道的eular - bernoulli地基梁受力模型,分別對參數隨著空間和空間變化時的位移響應提出了詳細的解析求解過程,從而保證了管土系統在動力下參數隨時空動態變化條件下解析求解方法的科學性與完備性。Press ent button to register the entered channel and the underline moves to the next entry column ( start time entry )
按ent按鈕以登記所輸入的頻道並且下劃線移動到下一欄(啟動時間欄) 。On the basis of the brief introduction about the foundation and characteristics of moving - like block, this paper makes detailed discussion about the safety time interval between two trains, offers computation formulas, lists some calculation results and analyzes them
本文在簡略介紹準移動閉塞特點的基礎上,推導出了城市軌道交通工程項目設計中移動閉塞、常規自動閉塞和準移動閉塞的列車安全間隔時間計算公式,並根據本文得到的計算結果提出準移動閉塞中定位單元長度的優化設計推薦值及有關結論。In mobile communication and high - speed wireless digital communication, multi - path, the finity of channel bandwidth and faultiness of the channel, lead to the bringing of intersymbol interference ( isi ) when data transfer. this is an important factor that degrades the performance of communication. however channel equalization technique can eliminate the isi and noise, it can also reduces the bit error ratio
在移動通信及高速無線數據通信中,多徑效應和通道帶寬的有限性以及通道特性的不完善性導致數據傳輸時不可避免地產生碼間干擾( isi ) ,成為影響通信質量的重要因素,而通道的均衡技術可以消除碼間干擾和噪聲,並減少誤碼率。This paper ' s mostly content is the theories and methods of designing the rigid pavement plates which traversed by moving load and based on elastic half - space foundations the paper also considering the transfer load of joints. joints merely transfer shearing force and merely transfer moment is respectively considered
本論文主要討論了在移動荷載作用下,彈性半空間體地基上考慮接縫傳荷的剛性道面板的動態設計理論和計算方法,在討論中分別考慮了接縫單一傳遞剪力和單一傳遞彎矩時的兩種情況。Because of continuity of load effects in time and space, displacement effects of previous time period in the latter time period and effects in various places have been taken into accounts. it is on these basis that the paper puts forward the dispersed counting way discrete algorithm based on such relationship, takes time - stepping integration to calculate rails " dynamic response, uses fortran language to write counting program, and conducts computer mock tests about rails " power response
由於荷載作用在時間和空間上的連續性,因此考慮了前一時間段所產生的位移對后一時間段的影響以及不同位置的相互影響,在此基礎上提出了基於車輪、軌道、枕木相互關系的離散化演算法,採用時間步長積分計算了軌道的動力響應,使用fortran語言編制計算程序對軌道動力響應進行了模擬。Blinking of the sers spectra and the poisson statistical distribution of the raman signal were observed. moreover spectral diffusion of raman shift with time was reported by the first time according to our knowledge, which could be due to the difference of interaction between varied single molecules and varied silver particles surface, for instance, due to the different adsorption states of dab molecules on the silver surface, which should be a powerful evidence for single molecule detection by sers
我們採用一種簡單的方法,將含有dab分子的銀膠體溶液滴在鋁箔上,激發光聚焦在液滴上直接進行測量,觀察到了分子sers信號的「 blinking 」現象,並首次報道了其sers拉曼頻移隨時間產生波動,這是由於個體分子和銀納米顆粒的相互作用及其在銀納米顆粒表面的l吸附狀態不同而導致的。Then the paper applies ea and spea to an orbital transformation problem. - time - energy optimization o the paper also solve low thrust control problem of relative motion using fuzzy logic
然後分別用一般的進化演算法和改進的spea方法解決軌道轉移的時間-能量優化問題,對于相對運動方程有限推力控制問題,本文用模糊控制的方法加以解決。分享友人