時序線路 的英文怎麼說

中文拼音 [shíxiàn]
時序線路 英文
sequence circuit
  • : 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...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • 時序 : [地質學] sequence; sequential; time sequence; timing sequence; sequence in time
  • 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
  1. There is great change of negative current component when it happens the line - open fault. it is marked as the occurrence of the fault. and it can be concluded the phase characteristic of negative current in the line. in the transient course, there are plenty of harmonics in the fault line. through the transient analysis, it is drawed that the amplitude of each harmonic in fault phase is greater than other phases. harmonic current in fault line is far greater than other normal lines

    發生斷故障以後,中會出現負電流的突變,可以作為故障啟動判斷的標志,並且通過分析得出了故障基波電流的相位特點。在故障暫態過程中,故障電流中含有大量豐富的諧波成分,各次諧波在故障期間有突變,並且衰減很快。
  2. The detailed works are as follows : the finding patterns problems in the time - series data sequence are described, and a new trend logic expression method is introduced, and its algorithm and experiment result of algorithm are given ; time - scries data are disposed, and using the arctg. slope of line as the sample of pattern recognition, so ignoring the aberrance of pattern in the classified. in addition, a new time - series pattern finding algorithm based on higher - order neural network is put forward

    給出了本文的具體的工作,主要是:對在數據列中發現模式問題進行了描述,並介紹了一種新的趨勢邏輯表示方法,給出了其演算法及演算法的實驗結果;對數據進行處理,提出了利用段的斜率反正切值作為模式識別的樣本,從而在分類忽略模式的畸變;另外,還提出了一個新的基於高階神經網模式發現演算法。
  3. Although many achievements have been acquired in oled structure material, production technology, drive methods, oled technology is just at the beginning, oled has given an equal chance for every company and country, and it is very important for our country to develop displaying technology of our own. the research direction of oled is managing to improve the device lifetime, at the same time found a perfect production technological flow and the global standard production mode. it is still a arduous mission that we want to live up to a batch production of oled displays in the future some years. active matrix organic light emitting diode ( am - oled ) adopts a circuit structure based on matrix addressing, and its driving circuit includes pixel driving circuit and peripheral driving circuit

    在文中,首先,分析和研究了有源oled的像素驅動電,闡述了amoled顯示屏及其周邊驅動電的結構和原理;其次,提出了qvga解析度的有源oled顯示屏列電極數據引的分塊( block )方法,確定屏上驅動電所需要的控制信號之間關系和幅值要求;最後,以fpga控制器的設計為核心,對外圍控制ic進行了具體設計,建立控制器電模塊模型和演算法流程,通過quartus軟體對其內部的各個電模塊進行綜合設計和模擬,得到了正確的模擬波形,完成了解析度為qvga ( 320 3 240 )的amoled專用驅動電的設計。
  4. The development of a visual short circuit software under ptcad2000 is presented in this paper, as well as the system structure, the definition of the data structure, the interface to ptcad2000, the conversion of the original wiring diagram of power network to calculable power network, the implement of three sequence network, the implement of impendence matrix and admittance matrix of power network considering the zero sequence mutual inductances among lines, and the implement of short circuit calculation by using computer

    本文介紹了在ptcad2000平臺下短電流可視化計算軟體的開發。介紹了軟體的系統結構、數據結構定義、與ptcad2000平臺的介面、電力系統原始接圖轉成等值可計算網網的生成、考慮零互感阻抗電網導納矩陣和阻抗矩陣的生成,以及故障點短電流計算的計算機實現。
  5. ( 3 ) with the conception of quantum probability and composite method of path in network, the earliest time of node merged with two or more paths is corrected, and then make a dummy activity which follows the node and which holds a duration time that the earliest time of the node added time after the paths are merged, and the subsequent work of the node follow the dummy activity

    採用合成,引進當量概率概念,對pert網中有二條以上匯入節點的最早間進行修正,並將修正後增加的間作為一新活動(工)的持續間,然後將該新活動作為原節點的緊后工,而原節點的緊后工作為該新工的緊后工
  6. ( 2 ) development of tourism market should go on according to the procedure : first, analyzes the tourist behaviour features and relations between the supply and demand of tourism market ; second, select target market ; third, makes correct developing strategies of tourism market, including images designing on tourist destinations, rich and varied marketing activities, flexible price strategies, high quality service, etc. ( 3 ) surburbs tourism products should be designed on principles of meeting market demands, resources features, characteristic, structure bettering, comprehensive benefits, rational distribution, and surburbs tourism routes should be designed under principles of rational time arrangement, appropriate space arrangement, equal in value, etc. ( 4 ) development of tourism commodities is of great significance to surburbs tourism, which can enhance comprehensive tourism economy benefits, promote the development of interrelated fields, provide more jobs, increase the utilization ratio of resources etc. so, we should take some measures : speeding up developing tourism commodities ; promote the creativeness and cultural connotation ; establish management institution of tourism commodities market ; build right - the - spot enterprises that produce tourism commdoties

    1 、旅遊資源開發主要採取興建、利用、提高和改造四種方式,並且遵循科學的開發程。 2 、旅遊市場開發應首先分析旅遊者行為特徵和旅遊供需模式,然後進行旅遊市場的分析和目標客源市場的選擇,制定正確的旅遊市場開發策略:進行旅遊地形象策劃;開展豐富多彩的促銷活動;採取靈活的價格策略;提供優質服務等等。 3 、旅遊產品開發應依據市場需求原則、資源特徵原則、特色原則、結構優化原則、綜合效益原則、布局合理化原則等,進行旅遊產品設計,並且根據間安排合理原則、空間安排適宜原則、等價原則等進行了郊區設計。
  7. Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts. if we use upfc to control the transmission parameters, terminal voltage, line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off, we can implement two phases operating in high voltage transmission lines, which can improve stability and reliability for the transmission system

    統一潮流控制器( upfc )是功能最強、最具發展潛力的靈活交流輸電系統( facts )控制器之一,如果在常規條件下,用upfc實現輸電的電壓調節、移相、潮流控制、阻尼振蕩等功能,在發生單相永久性接地或單相斷故障,由傳統的三相跳閘改為單相跳閘,用upfc的並補來濾除兩端系統的零和負電流,用upfc的串補來提高輸電的傳輸功率,以實現兩相長期運行,那麼輸電系統的穩定性、可靠性將大大提高。
  8. Whereafter, based on the analysis on the flood influence for traffic lines, the research is centered on the following parts : firstly, the destroying modes, reasons and mechanism of flooded lines are discussed, and the frameworks and countermeasures of preventing and controlling hazards system are put forward ; secondly, the ways of region forecasting for the landslide are analyzed and the automation of landslide forecast for certain site through visual programming is realized. furthermore, the function of dynamic segmentation in arc view is made use of to realize the forecast result ' s visualization ; thirdly, the reasons and patterns of roadbed subsidence are discussed and the methods of forecasting subsidence based on the gm ( 1, 1 ) model are put forward. then the applications of the arcview software and its extended module on the study of roadbed subsidence are debates upon ; fourthly, an analysis on the sources of flood for traffic lines, which situate in the reservoir coverage area, is given

    接著,論文探討了山區交通災害的特點、分類、間和空間分佈規律以及災害的防治原則和對策等;然後,以洪水災害對交通的毀壞為主,重點研究和分析了以下幾個問題:第一,探討了洪水對交通的破壞方式,水毀原因以及水毀機理,並提出了交通水毀防禦系統框架和對策;第二,分析了雨季邊坡塌方災害的區段預測方法;通過可視化編程,編制了雨季邊坡塌方災害的工點預報程,並結合arcview實現了預測結果的可視化;第三,對基沉陷原因和模式進行了分析,並提出利用gm ( 1 , 1 )模型對基沉陷區進行分析和預測,最後論述了arcview軟體及其擴展模塊在沉陷區研究分析中的應用;第四,對汛期庫區災害的原因進行了分析,並探討了利用數量化理論對基防護工程抗洪能力進行預測的意義;第五,提出從風險的角度對交通的防災減災進行管理,對風險估計的相關問題進行了論述,並探討了交通水害危險區段的劃分問題。
  9. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程編制任務;精確鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對的模擬,該晶元的應用給整臺儀器提供了間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一4 20ma模擬信號電流環的輸出電來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總系統的關系,並完成了程設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電設計、操作鍵盤設計、電源監控電設計、電壓基準電的設計。
  10. Thus this thesis presents a method to estimate length and positive parameters of transmission line, and a method to estimate length, positive parameters and zero parameters of line at one time

    由此,本文提出了一種利用故障前的電氣量來校正參數和長度的方法,以及一種利用區內出現的缺相運行情況對、零參數和長度同進行校正的方法。
  11. When zero sequence or high secondary harmonic current component appear in the circuit, the total current in the shield is zero, no electromagnetic interference with outside

    出現零或高次諧波電流分量,屏蔽層內電流總和為零,不對外界產生電磁干擾。
  12. Then, taking into account the effect of the compression of the approach roadway and the differential slope of the bridge slab, the author analyzes the dynamic response of man - vehicle - road system when the vehicle approaches and leaves the bridge by means of laplace transform, the curve of man ' s acceleration versus time, the vertical force between the vehicle and road versus time, the man ' s maximum transient vibration value and the maximum force between the vehicle and road are got, and the program about the calculating progress above are edited. based on the analysis above, the influence on the maximum transient vibration value of some parameters about the vehicle and road such as the movement direction and speed and weight of the vehicle, the differential slope of the bridge slab and the length of the approach slab, are studied, and some conclusion are given

    分上橋和下橋兩種情況,考慮車耦合和橋面沉降坡差的影響,對車輛通過設和不設搭板的橋過渡段「人?車?」系統的相互作用用拉普拉斯變換法進行了動力響應分析,得到了人的加速度及面對車的垂直作用力隨間的變化曲、人的加速度最大瞬態振動值和面對車的最大作用力,分析了車輛的行進方向、速度和載重,橋面沉降坡差和搭板長度等車和各參數對計算結果的影響,並編制了相應的計算程
  13. This can fully consider the effect of the structure of transmission line and the selection of lighting parameter etc. by calculating and analyzing various of factor that affect the lightning tripping probability of 500kv double circuit transmission line, we can draw the conclusions : the result by intersecting method is more accord with the practicality circumstance than by existing standard methods, using unbalance high insulation and reverse sequence of wire can reduce the contemporary outage rate of double circuit line, reducing the footing resistance is one of the most efficiency method to reduce the back stroking rate of double circuit transmission line, the double back stroking rate and the single back stroking rate will fall by three ground wire, when the footing resistance is 10 ohm, the back stroking rate by three ground wire is 83 percent of by two ground wire

    在分析輸電繞擊耐雷性能,對的雷電屏蔽問題進行了分析,提出對擊距法進行改進,充分考慮了風速的影響因素,編寫了具有工程實用價值的計算繞擊耐雷水平的程,此方法可以充分考慮結構和雷電參數等對繞擊率的影響。通過對影響500kv同桿雙回雷擊跳閘率的各種因素進行了計算和分析,得到以下結論:採用相交法的計算結果比定義法更符合實際運行情況。採用不平衡高絕緣方式和導逆相排列可以大大降低雙回同跳閘率。
  14. The integral structure of system are analyzed, and a scheme based on dsps processing board + mcu control board are put forward firstly, following design difficulties and relevant measures. every modules of dsps board are described in details, including chips selection, implementation manners choice, interface and time sequence match and etc. compared otsu single threshold segmentation with multi - threshold segmentations, the latter are preferred to perform the object identification in hardware designed by author. combined to like background rejection, morphology expansion and etc. steps, the paper gets the length of queue ; finally, a - b united control and area united control based on can bus are designed

    首先分析了系統的總體結構,提出了一種基於dsps處理板+單片機控制板的信號機實現方案;在此基礎上,重點介紹了處理板模塊化的硬體電設計,其中考慮了晶元的選型、實現方式的選擇、工作機制、匹配等問題;之後,分析了otsu單閾值目標識別和多閾值目標識別的效果,重點選擇後者在硬體電板內對圖像進行了目標識別的演算法處理,結合背景的剔除、形態學膨脹等幾個減小誤差的措施,對車輛排隊長度進行了較為精確的提取;最後在控制板上完成了干a - b信號聯動控制和基於can總的區域聯網控制的通訊方案設計。
  15. When the silicon technology comes to deep sub - micron level, the interconnect delay exceeds the gate delay ; and because of the increase of 1c work frequency, the allowable errors become smaller, and the influence of the transmission delay gets bigger, which increase the difficulty of the circuit design

    在深亞微米製造技術中,晶元互連延遲超過門延遲,而且隨著集成電工作頻率的提高,允許的容差變小,傳輸延遲的影響加大,設計工作難度增加。
  16. By means of trigonometrical progression method and the mainline track spectrum, the sample function of the chinese mainline railway track random geometric irregularity is simulated. with the data obtained from track geometry inspection car on qinhuangdao - shenyang special line for passenger transport and arma time series model, the sample function of high - speed railway track random geometric irregularity are simulated. based on existing literature, the artificial bogie crawl waves at various different speeds are randomly simulated

    根據我國干軌道譜,採用三角級數法模擬出干和準高速鐵軌道不平順的樣本函數;根據秦沈客運專高速試驗段軌檢車資料,採用arma列模型模擬了高速鐵軌道不平順隨機樣本函數;在既有研究資料的基礎上模擬出各種速度客車構架人工蛇行波;用隨機變量描述道床橫向剛度,並進行了隨機模擬;將振動理論和穩定理論結合建立系統的分析模型和運動方程;根據monte ? carlo法編制了車輛?軌道耦合系統隨機振動分析程,進行了無縫隨機動力響應分析,通過試驗對計算模型、計算方法進行了驗證。
  17. Wavelet network - based non - linear economic time series prediction model

    基於小波網的非性經濟預測模型
  18. Obtained by emtp program and the egm, this paper studies on lightning protection performance on 500kv double circuit transmission line the distributed parameter model of tower is built when analyzing the back stroking lightning protection performance for double circuit line, it can truly reflect the spreading course of lightning current on the tower, furthermore, considering the randomness of working voltage ' s phase when lightning strokes the top tower and supposing the probability of lightning appearing arbitrary phase in a cycle of ac is equal, this paper brings forward the statistical method to calculate the rate of back stroking on double circuit line

    本文利用emtp程、擊距法對500kv同桿雙回的耐雷性能進行了研究。在分析同桿雙回的反擊耐雷性能,建立了桿塔的分佈參數計算模型,此模型可以真實地反映雷電流在桿塔上的傳播過程。並針對雷擊塔頂,導運行電壓相位角的隨機性,本文假定雷擊出現于交流一周期的任一角度區間內的概率相等,提出了利用統計法計算同桿雙回的反擊跳閘率。
  19. In data sampling circuit, high - speed, complex programmable logic device cpld technique is used. high - speed double - port ram, control sampling time sequence logic, cpu interfaces and bus circuit are implemented in cpld. sampling speed is up to 80mhz, sampling depth is ik - byte, and cpld can fulfill the requirement of the software arithmetic to sampling

    在數據採集電中採用了高速復雜可編程邏輯器件cpld技術,晶元內設計有高速雙埠ram 、控制采樣邏輯及cpu介面、總等電,采樣速率高達80mhz ,采樣深度1k位元組,很好地解決了超聲波微位移傳感器軟體演算法對采樣的要求,並可實現在升級,大大提高了系統的整體性能。
  20. Then the designs of modules mentioned in the scheme are discussed in detail. the main contents of the dissertation include : 1. to satisfy the need of a16 / d16 single - cycle and block data transfer capability, the method of the state machine and diagram are adopted. the arbiter, requester, interrupter, interrupter handler modules are also implemented by use of the state machine. these modules are verified theoretically by using timing simulation

    本文具體工作如下: 1 .用狀態機和電圖的方式實現了vme總a16 / d16單周期數據讀寫和塊傳輸功能;並用狀態機設計了vme總請求器,總仲裁器,中斷器和中斷處理器等,並進行了模擬。
分享友人