路線積分 的英文怎麼說

中文拼音 [xiànfēn]
路線積分 英文
path integrals
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : 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...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • 路線 : 1. (從一地到另一地所經過的道路) route; itinerary; way; tail; line 2. (思想上、政治上或工作上所遵循的根本途徑) line
  • 積分 : 1. [數學] integral; integrate; integration 2. [體育] (積累的分數) accumulate points
  1. We can use the mm5 model in definite time, definite area weather forecasting. we conclude that : : the moving route of this necw in its developing progress was direct - south along latitude, the cold air is rough, and just this made the rough vertical velocity ; the necw southern moving and conflicting with the west pacification sub - tropical high makes rough jet steam. the plenty south - west warm and wet air made by the jet stream gave the rainstorm demanded vapor ;. the rough vertical velocity by jet stream is a main reason in this rainstorm ; the mm5 model uses four - direction analysis data as its input, this avoids some errors occurred in observe and transfer, thus made the result more useful

    綜合析認為: ( 1 ) 、這次冷渦在其發生發展過程中,其移動徑是沿經圈直南壓,攜帶的冷空氣勢力較強,形成槽后較強的垂直運動; ( 2 ) 、西太平洋副熱帶高壓偏北位置與東北冷渦南壓形成的急流軸,把源源不斷的西南暖濕氣流輸送到遼西地區,也就是急流軸的左前方位置,為這次暴雨的產生提供了充足的水汽來源; ( 3 ) 、低空急流不但為暴雨輸送水汽,其造成的較強的垂直環流也是產生強降水的一個主要原因; ( 4 ) 、 mm5模式以四維同化資料作為初始場,最大限度地避免了觀測誤差可能造成的不穩定,提高了模擬結果的參考價值。
  2. In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )

    主要研究內容包括:一、總結析了當前水下導航的常用方法和不足之處,指出基於航位推算的導航方法,存在著最大的問題就是導航誤差的累問題,如果沒有修正系統,這種方法很難滿足使用要求;其次指出基於聲學的導航方法,造價昂貴,導航范圍有限,難以滿足自主水下航行器大范圍導航的需求;二、總結了當前水下地形輔助導航的主要技術,一是基於地形高程的匹配方法,這是當前研究的重點;二是基於地形圖像的匹配方法,由於缺乏良好的圖像傳感器,和可用的海底圖像地圖,目前這種方法還有待研究發展;三、將兩種地形高程匹配的常用方法應用到自主水下航行器上:以相關演算法為前提的地形輪廓匹配( tercom )方法和以卡爾曼濾波為基礎的桑迪亞慣性地形輔助導航( sitan )方法,前者演算法簡單可靠,但是導航精度不高,後者雖然精度比較高,但存在著演算法較為復雜、有可能發散和出現奇異值等問題。
  3. The explanation of field theory takes two independent equations in integral form derived from maxwell equations as basic law of circuit theory. beginning with two independent equations, ftn analyzed the linear dc and ac networks, nonlinear networks and many kinds of circuit analyzing methods and so on

    場論說的電理論是以從麥克斯韋方程組導出的形式的兩組獨立方程組為基本定律,從此基本定律出發,推理演繹電理論的基本內容,析了性直流和交流網、非性網以及各種電析方法等。
  4. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為: ( 1 )黃河河口口門逕流潮汐區域並非持續保持淤狀態,在特定的來水來沙、邊界條件和海洋動力條件下,該區域可以處于沖刷狀態; ( 2 )從河口泥沙沉配的過程來看:三角洲與濱海區泥沙的沉變化趨勢是基本一致的,各部位的泥沙沉比例變化基本呈波動狀態,且三角洲與濱海區泥沙的沉比例與來沙量密切相關,基本成正比關系; ( 3 )在口門處,影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門汊、鹽水造成絮凝等,本報告主要對口門加寬,口門西妥理工大學工程碩士專業學位論文漢對河道淤的影響進行了定量析: (一扣根據實測資料首次建立了河贖流泥沙沉配的回歸計算式,據此可以預估計算河口不同區域泥沙的沉淤量; 、 5 )本項研究首次論證了河口三角洲岸動態平衡的概念,並建立了黃河河口來沙量與造陸面的相關關系,得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸則可能處于動態平衡狀態的重要結論; 『 6 )本項研究首次提出了河口泥沙優化調控的概念,並對其宏觀優化調控模式進行了初步探討。
  5. Our company is specialized in supplying all kinds of terminal block, switch test double block, ground block, fuse block, three - level sensor block with light, double block, universal block, integral block, nylon cable ties, cable ties, releasable cablle ties, self - locking cable tie, marker calbe ties, flexible pipe, cable marker, expansion nail / plug, wire joint, cable clamp, nail clip, screw on wire connector, self - adhesive tie mount, spiral wrapping band, wire connectors, cable tie mounts, nylon fasteners, cable gland, nylon ties, cable terminal, terminals, terminal connector, wiring duct, pre - insulated terminals, cable markers, electrician tools, cabling accessories, plastic cable ties, wire tie, tie wrap, beaded tie wraps, tie wrap adhesive, tie wrap tool, cable, wires, terminal connector, terminal block, nail, nylon cable glands, pe tubing and quick screw connector, circle nail cable clips, self - adhesive tie mounts, expand nails, spiral wrapping bands, screw on wire connectors, copper connecting terminals, pre - insulated electrician tools, wire connectors, cable tie mounts, nylon fasteners, nylon ties, cable terminal, pre - insulated terminals, cabling accessories, plastic cable ties, wire tie, tie wrap, beaded tie wraps, tie wrap adhesive, tie wrap tool, cable, wires, terminal connector, terminal block, nail, nylon cable glands, cable accessories, wiring accessories etc. we offer superior product and best service with competitive price

    我們公司是專門供應各種終端塊,交換機測試雙重座,地面座,保險絲座,三層傳感器座輕型雙座通用塊,塊,尼龍電纜聯系,電纜聯系,松解錨索關系自鎖式電纜接頭,光纜標記關系,軟管,電纜標記,膨脹釘/插頭,電接頭,電纜鉗,夾釘,螺絲電連接,自粘配合摩,螺旋帶包,導連接器,纜配合固定座,尼龍緊固件,電纜壓蓋,尼龍關系,電纜終端,終端,終端連接器,電導管,預終端絕緣,電纜料,電工工具,電纜配件,塑料電纜聯系,配合鋼絲,為配合劇情,串珠配合纏上搭膠包裹,包裹配合工具,電纜,電,終端連接器,終端塊,釘,尼龍索腺體,聚乙烯管材及快速接頭螺絲,圓釘電纜夾,自粘配合固定座,擴大釘,螺旋帶包螺桿導連接器,銅接端子,預絕緣電工工具,電接頭,電纜接頭固定座,尼龍拉鏈,尼龍關系,電纜終端,預終端絕緣,電纜配件,塑料電纜聯系,配合鋼絲,為配合劇情,配合串珠包,搭包膠,配合工具包,電纜,電,終端連接器,終端塊,釘,尼龍腺體電纜,電纜配件,配件等,我們提供卓越的產品和最好的服務,具有競爭力的價格
  6. Therefore, they serve as restricts to design these blocks at the circuit level. secondly, based on the study of the resistor offset averaging network, a capacitance offset averaging network is designed. the differential non - linearity ( dnl ) and the integral non - linearity ( inl ) are reduced 70 % by applying this capacitance offset averaging network

    其次,研究了電阻誤差平均網的特性,設計了電容誤差平均網析可得此電技術可改善電性( dnl )和性( inl )達70 %以上,和電阻誤差平均網對dnl抑制效果好不同,電容誤差平均網對inl的抑製程度是對dnl的抑製程度的2倍以上。
  7. It can acquire the voltage on the test appliance and current in the circuit. and it can see these electrical signals as its input and calculates based on the data and gives the parameters and waveform that user needed. the parameters we can get through calculation include power factor, joule ' s integral, available value, maximal value, minimum value, time constant etc. recently, there are many scholar is studying the algorithm that calculate the parameter using test data, but many of them adopt the heuristic method, not using the test data directly

    本課題研製一套電器試驗參數高速採集系統,能夠檢測試驗迴中試品上的電壓信號和迴中的電流信號,並根據這些電信號的數值利用計算機進行在計算,並給出用戶需要的各種電參數值和用戶需要的波形圖,通過計算得到的電器參數有功率因數、焦耳、有效值、最大最小值、時間常數等。
  8. The results of research reveals the variation disciplinarian and the affected factor, defines the factor limiting the urban regional development. all these offer scientific references for reasonable city planning, municipal building project planning, reasonable arrangement of land use, the confirmation of land use intensity and the improving land use benefit. and a series of methods we have explored can apply the practical manipulation of grading and assessing urban land, which contribute to enhance working efficiency, shorten the time of evaluation, enhance the updating of urban land price, establish a system of dynamic superviso ry control and examination, and enhance accuracy and objectivity of urban land - rated evaluation

    再由球形檢驗和主成份析、信度析、多元回歸析的技術,逐層遞深地解譯影響城市地價的主要因素及相互數量關系,其研究結果揭示了城市地價的變化規律和影響因素、明確了限制城市區域發展的因素,為合理的城市規劃,市政建設項目規劃,合理安排土地用途,確定土地利用強度,提高土地利用效益等提供了科學依據,同時探索的系列化方法可直接應用於城市定級估價的實際操作中,有利於提高工作效率,縮短估價時間,提高城市地價的現勢性,建立地價動態監控和測算系統,又可提高城市定級估價的準確度和客觀性,在理論上、學術和實踐上均有極意義。
  9. Zhuangchai lake locates at zhuangjia village, yucheng town. the south of it is new yanhu road and the north of it is jiayuxia river. its surface area is about 195mu, and its surrounding area is about 200mu. there are 3 small islands in the middle of the lake, 3mu, 4mu and 60mu separately. zhuangchai lake black - back orucian is very famous. there are many kind of river fishes in the lake. the lake is a natural breed base. this program relies on zhuangqiao lake ' s special resource advantages and wants to develop sper cial leisure farm

    莊柴湖位於海鹽縣于城鎮莊家村,南連新鹽湖公,北接加於硤航,水面面195畝,周邊區域200畝,河內有三個面別為3畝、 4畝、 60畝的小島,莊柴湖烏背鯽魚享譽縣內外,湖內養殖了白鰱、花鰱、草魚、青魚等傳統四大家魚,資源豐富,使無公害生態水產的天然養殖基地,本項目依託莊柴湖獨特資源優勢,開發特色休閑農莊。
  10. During my master " degree investigation, i mainly focused on the coarse - grain stratigraphy within mesozoic basins in chengde and pingquan districts, the eastern yanshan, and did systemic provenance analysis and paleo - current direction measurement and studied the relationship among basin evolution, volcanism and tectonism. then i summarized the mesozoic basin development and the coupling characters of basin and mountain. the evolution of basin and mountain in this area can be divided into several stages : the stage of compression uplift and flexural basin during the triassic through the early jurassic, the stage of structural compression - volcanism and foreland basin during the middle and late jurassic and the stage of rift basin in the cretaceous

    在野外典型調查的基礎上,對燕山地區東段承德、平泉地區的中生代盆地中發育的粗碎屑沉層,進行了系統的物源析與古流測定,並在此基礎上重點剖析了盆地的發育、火山活動、構造變動三者之間的關系,總結了本區中生代盆地發育規律及盆山耦合特徵,並將盆山演化劃為:三疊紀?早侏羅紀的構造擠壓隆升與撓曲盆地發育階段階段,中晚侏羅紀的構造擠壓?火山活動與類前陸盆地發育階段,早白堊世的拉張斷陷盆地發育階段。
  11. Type plane wave incidence and the input admittance of cylindrical monopole antenna, it is testified that the proposed method is more accurate than the conventional square contour integration method

    型平面波的散射電流以及單極細圓柱形天的輸入導納,對所提出的方法作了驗證,證明了該方法比常用的矩形法對細導上電流的模擬要精確得多。
  12. Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction

    首先結合pcnn的同步脈沖發放和側抑制特性,提出了基於改進型pcnn的圖像凹點檢測演算法,該演算法是一種自適應而有效的圖像凹點檢測方法,並且較好地模擬了人類視覺系統;然後,結合信息傳遞和信息耦合特性,將pcnn擴展成pcnns ( pcnn網群) ,提出了一種基於pcnns的圖像融合演算法,能夠將多個傳感器獲取的同一目標的圖像信息融合到一幅圖像中,有效模擬了人類視覺系統;另外,結合pcnn的同步脈沖發放特性、捕獲特性和波的傳播競爭特性,開拓地將pcnn用於模式類中,提出了基於耦合神經元點火捕獲抑制特性的類方法和改進的約束距離下的pcnn類方法,前者可實現對樣本空間中任意復雜佈訓練樣本的穩健非類,而後者能夠消除訓練樣本中刺點對類的影響;最後,結合累圖像思想、 pcnn波的形成與傳播特性,通過各神經元之間連接取向來選擇與控制自動波的流向,將pcnn用於運動視覺析中的運動軌跡模擬及運動方向檢測。
  13. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向,本論文重點做了以下幾個方面的工作,目的在於提高dtc系統的綜合性能: ( 1 )提出一種新型的速度磁鏈觀測器,新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的器從而提高磁鏈觀測的精度,並且根據popov超穩定性理論推導出轉速的新型自適應收斂律; ( 2 )改善系統的低速運行性能,主要從提高低速時對定子磁鏈的估計精度入手,提出了一種提高定子磁鏈觀測精度的新思? ?利用基於bp網增廣pidbp學習演算法來實時在地修正定子電阻參數; ( 3 )採用數字信號處理器dsp實現系統全數字化硬體控制,結合ti公司生產的tms320lf2407晶元,設計了直接轉矩控制系統的實驗裝置; ( 4 )提出了基於sercos總散式的直接轉矩控制系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調控制的串列實時通信協議; ( 5 )基本勾勒出整個控制系統的硬體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。
  14. Our item choiced msp430f149, a sort of singlechip as controller, designed our hardware electrocircuit to get the pulse wave singnal, and used msp430f149 to continuously search and calculate the peak - peak value of the pulse wave, and compute oxygen saturaction. in our study, in order to hurdle the dirft of baseline caused by the physiological difference of human bodies. we designed one circuit which can automatically regulate of the baseline of signal

    本文以msp430f149晶元為控制器,設計硬體電提取脈搏波信號,連續檢測脈搏波峰?峰值,計算氧飽合度。本課題採用了基自動調節電,以克服不同人體生理差異引起的基漂移;設計了直流截取電和可控放大電,以滿足臨床連續監測的特殊需要,解決信號飽和問題。
  15. The concept of viffoal laser frequency stabilizaion is put fowi. the frequency stabilizaion at the center of doppler curve has been realized aller signal detecting, phase sensitive detecting, integrating and high voltage amplifying circuits with fm spectroscopy a frequency stability of l0 -, has been obtained with a reproducibility of l0 - 9. hyperfine spectra of, ', i, near 532nm have been studied via modul8tion tfansfer spectroscopy

    利用fm光譜法將激光單次通過碘吸收室進行性吸收,再經信號檢測、混頻、和高壓放大等伺服電,實現了在多普勒曲中心處的頻率穩定,頻率穩定度和復現性可達10 ~ ( - 9 )量級。
  16. The improvement can also be used to correct total differencial and integral errors caused by pre - amplifier, linear amplifier, shaping circuit, peak stretcher and holder as well as adc at the same time

    這種方法也可校正由前置放大器、性放大器、成形電、峰展寬電和模數變換電等共同造成的微性和性。
  17. Experimentally, the plasma produced by cable plasma gun ( c - gun ) and dense plasma focus ( dpf ) was measured by the laser differential interferometer system. the clear interference patterns were acquired at different time. the contour maps of line integral density and curves of radial local density at different height above nozzle were presented

    實驗上,對等離子體斷開關中的電纜等離子體槍( c - gun )和等離子體焦點裝置( dpf )產生的等離子體進行了測量,獲得了對應不同時刻的清晰的干涉圖像,給出了密度等值圖和距噴口不同高度處的徑向密度佈。
  18. A line integral of the second type changes sign when the direction of the integration path is reversed

    徑改變方向時,第二類曲改變符號。
  19. 2 the line integral of the tangential component of the magnetic field intensity h around a closed contour c is equal to the sum of currents passing through any surface s linking that contour

    沿著一個閉合迴c的磁場強度的等於穿過任何以此迴為邊界的曲面的電流之和。
  20. The line integral does not depend on the shape of the path, or on the position of the wire within it.

    徑的形狀無關,也與徑內導的位置無關。
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