通道長度 的英文怎麼說
中文拼音 [tōngdàozhǎngdù]
通道長度
英文
channel length- 通 : 通量詞(用於動作)
- 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) ...
- 長 : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
- 長度 : length; longitude; size; extent; footage
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And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results
接著,對自適應調制系統中的通道估計問題難點,詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然( ml )估計和最大后驗概率( map )估計演算法,針對平衰落通道,我們模擬了map估計和ml估計的方差與導頻符號長度的關系,模擬結果表明,錯誤方差受多譜勒頻率的變化影響最大,並且對實際的自適應調制系統,導頻符號長度的取值超過20個符號長度時, map通道估計明顯優于ml通道估計。In order to verify the effectiveness of steep - front impulse voltage test in finding the internal faults of composite insulator, some insulators with faults, including conductive channel, semi - conductive channels, airy channel, partial little air bubble that occur separately at different place, are modeled. steep - front wave impulse voltage test is made for these faulty insulator and normal insulator
為了檢驗陡波試驗對于發現合成絕緣子內部故障的有效性,分別模擬了絕緣子內部不同部位有導電性、半導電性通道,小氣泡,金屬雜質,長氣泡以及芯棒與護套間不粘連故障的絕緣子,並從三維靜電場計算和用不同陡度的陡波試驗兩個方面進行了驗證。Based on the investigation and research, the paper gives a testing method, which measures the taking off and landing distance of airplanes with the laser locating system for airplanes trace. and by way of the field measuring on plateau airports, we have got the integrated modifying coefficients of three kinds of airplanestaking off and landing running distance such as h6. all of these provide scientific basis for the runway length design of the plateau airport
在調研論證的基礎上,提出了利用《飛機起落航跡激光定位系統》測定飛機起飛著陸滑跑距離的測試方法,並通過高原機場實地測試,得出了三種飛機在高原機場上起飛著陸滑跑距離的綜合修正系數值,為高原機場跑道長度設計提供了可靠的理論依據。Aiming at the present design fashion of domestic bigger tunnel, simulating a bigger tunnel with catholic characteristic, confirming the parameters of traffic inducement and controlling ( tunnel length, traffic, the selection and location of detection equipments, amount of roadway indicative lamp, etc ) on the base of the analog tunnel, discussing the controlling and revulsive mode of tunnel. briefly discussing the constitution of tunnel surveillance and controlling system and the executive means of traffic controlling and inducement subsystem and network structure of tunnel controlling system. finally discussing the conformation of emulational tunnel ' s database and detailed executive program by programming the computer emulation of controlling induce subsystem
論文圍繞「交通誘導與控制」這一中心展開,探討長大隧道交通誘導與控制設備及其控制誘導方式;結合國內外對交通流模型研究的成果,提出一套適合長大隧道交通流特點的交通流模型;並針對目前國內長大隧道的普遍設計方式,模擬一個帶有普遍性特徵的長大隧道,確定了關于交通誘導與控制方面的參數(隧道長度、交通量、檢測設備的選取和位置、車道指示燈的數目等) ;以此模擬隧道為基礎,進一步探討隧道的具體控制與誘導方式;簡要探討隧道監控系統的構成、交通控制與誘導子系統的實現方式,隧道控制系統的網路架構;最後通過編程實現控制與誘導子系統的計算機模擬,討論關于模擬隧道數據庫的構建,具體編程實現等。The c - phycocyanin ( cpc ) operon of blue - green alga ( or cyanobacteria ) arthrospira platensis fachb341 was cloned, sequenced and characterized by using chromoseme walking method. the sequence includes cpcb gene ( 519 bp ), cpca gene ( 489 bp ), cpch gene ( 357 bp ), and upstream sequence of cpcb ( 427 bp ) and upstream sequence of cpch genes ( 184 bp ), 111 bp of phycocyanin intergenetic spacer ( pc - igs ). upstream sequence of cpcb gene was ligated into promoter - probe vector pegfp - 1 and transformed into three systems : e. coli, synechocystis pcc 6803 and a. platensis fachb341 by supersonic and electrophoresis methods
根據genbank中報道的節旋藻藻藍蛋白基因序列設計引物,首先克隆了鈍頂節旋藻( arthrospiraplatensisfachb341 )藻藍蛋白操縱子中亞基基因、亞基基因部分序列及二者之間的間隔區序列( pc - igs )並進行序列測定,然後根據此測序結果設計引物,通過染色體步移法克隆得到藻藍蛋白操縱子長度為2086bp的基因片段,其中包括藻藍蛋白亞基基因( cpcb , 519bp ) ,亞基基因( cpca , 489bp ) ,連接蛋白h基因( cpch , 357bp ) ,亞基基因上游啟動子序列( 427bp )以及各基因之間的間隔區( pc - igs , 111bp ; cpch與cpca間隔區, 184bp ) 。The passage to the conciergerie was short and dark ; the night in its vermin - haunted cells was long and cold
通向裁判所附屬監獄的通道不長,但很黑暗在它那滿是蚤虱蟲鼠的牢房裡度過的夜晚寒冷而漫長。The " length of track calculation " section of the dialog allows you to choose the length of the displayed ground track ; you can either display a track for a single orbit of the object, or you can manually enter the length of the track, and the interval at which positions are to be calculated
「軌道計算的長度」用於選擇需要顯示的地面軌跡的長度;你可以選擇繞地一周的地面軌跡,也可以通過輸入相應的軌道長度來顯示在一個時間段內的軌道地面軌跡。Length of navigable inland waterways : refers to the length of the natural rivers, lakes, reservoirs, canals, and ditches open to navigation during a given period, which enables the transport by ships and rafts
內河航道里程:也稱「內河通航里程」 ,是反映內河水運網規模、水平和發展情況的主要指標;是指在一定時期內,能通航運輸船舶及排筏的天然河流、湖泊水庫、運河及通航渠道的長度。In the simulation of close water test, varied profiles of velocity of flow are obtained at different leakage location along the detected pipe, the variety values of the water level in the check well are acquired with time, consequently the location of the leakage can be judged
在閉水試驗時,通過模擬沿管道長度方向上不同滲水點的流速的變化,以及得出窨井出口處的水位隨時間的變化值,來判斷管段中最有可能出現滲漏點的位置。A large amount of experience data accumulated through long term operation is introduced. combined with the definition of relative requirements, the choosing and definition of operation index of high - frequency channels specially used for protection of hubei electric power network are discussed and elaborated through calculation and analysis such as input impedance and channel impedance of transmitter, sensitive voltage of received signal, redundancy of received signal, warning of channel redundancy and warning of channel faults etc
引用了長期運行中積累的大量經驗數據,通過計算分析,結合有關規程規定,探討和闡述了湖北電網繼電保護專用高頻通道諸如收信機輸入阻抗及通道阻抗、收信靈敏電平、收信裕度、通道裕度告警、通道異常告警等運行指標的選取和確定。Setting and design of bus lane for urban road
高速公路互通立交加速車道長度的設計方法The result shows that the train passing capacity is closely linked with the train meeting place relative to the tunnel and that the train passing capacity decreases as the tunnel lengths and slops increase
對計算結果的分析表明,隧道的列車通過能力與列車的交會地點息息相關,而且隨著隧道長度和坡度的增大逐漸變小。With expeditiously development of national economy, construction of road traffic are becoming more important. due to the increase of tunnel " s length and quantity, and the increase of density of road traffic, fatalness of fire in a roadway tunnel are raising gradually
由於隧道數量和隧道長度以及公路交通密度的日益增長,以及隧道內火災特性的特殊性,公路交通隧道內火災的危險性呈上升趨勢,因此,特長公路隧道內火災的安全性顯得至關重要。By analyzing the relation between the train passing capacity and tunnel length as well as tunnel slopes the upper and lower limits for installing mechanical ventilation in railway double track tunnel have been determined, which provides science foundations for the formulation the ventilation design norm for railway double track tunnels in operation
通過對列車通過能力與隧道長度和坡度關系的進一步研究,得出了內燃牽引雙線鐵路隧道設置機械通風的上、下界限,為雙線鐵路隧道運營通風設計規范的制訂提供了科學依據。With expeditiously development of national economy, construction of road traffic with security and comfortable circumstances are becoming more important. due to the increase of tunnel ' s length and quantity, and the increase of density of road traffic, fatalness of fh - e in a roadway tunnel are rising gradually
隨著隧道數量和隧道長度以及公路交通密度的日益增長,公路隧道內火災事故發生率以及危害的不斷擴大,為隧道提供安全、可靠、舒適的運營環境越來越受到各國專業人士的重視。In this paper, the factors which affect the channel length and the length of the pinch - off region of the channel are discussed, and the function of the vdmosfet is improved by optimizing the channel section
摘要討論了影響溝道長度及溝道的夾斷區長度的因素,通過溝道區的優化促進了vdmosfet性能的提高。The paper indicates that the study on mechanism of boiling heat transfer in microchannels does not first - orderly instruct engineering design and appliance, and they are constraints between geometric dimension, passage diameter, number and length efficiency of evaporators, pump power and so on
指出對于微通道沸騰換熱的傳熱機理等的研究對工程設計和應用來講還沒有形成合適的技術指導依據,蒸發器尺寸、通道直徑、數目、通道長度、換熱效率以及泵功率之間是相互制約的。Through a series of experiments, studies the influence of material properties, passage dimensions and operating conditions on the cross - flow heat recovery ventilator ( cfhrv )
摘要通過一系列實驗,研究了熱濕交換材料特性、通道長度和運行工況等因素對全熱交換器熱回收效率的影響。The turns in the serpentine channel were asymmetrically tapered to minimize geometrical contributions to band broadening and to provide ample channel length for high - efficiency chromatographic separations
蜿蜒通道地轉彎處是不均勻地錐形以減小幾何原因引起地譜帶展寬和提供樣品通道長度使高效色譜分離。However in aspect of reducing channel height, via number and average route length, the results from the greedy channel router is not as good as the results routed by hand. more studies are required for better algorithm
但對貪婪演算法來說,在減少通道高度、通孔數和平均布線長度方面都還比不上人工布線,更優良的通道布線演算法有待于進一步的研究探索。分享友人