長導線法 的英文怎麼說
中文拼音 [zhǎngdǎoxiànfǎ]
長導線法
英文
long-wire method- 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;...
- 導 : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
- 線 : 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...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
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The trajectory of antisubmarine homing torpedo is a complex space curve, so there is big limitation in accounting its trajectory length by plane geometry
由於反潛自導魚雷的彈道是一條復雜的空間曲線,因而平面幾何解析法求解其彈道長度有較大的局限性。At first, according to the status quo of zhenjiang, this paper analyzes its predominance and bottleneck during the course of its development along yangtze. based on the study, by the combining of scalar computing and qualitative analysis, it selects the leading industries and the potential ones. meanwhile in a basis of the mechanism of the successive rising of the industry, it suggests to cultivate the impellent enterprises to create the localizing effect of the predominant industry, and supports the scientific foundation of the industry rational transition and continuous increasing
筆者首先根據鎮江市的發展現狀,分析在以沿江開發為主線的發展過程中,產業發展的稟賦優勢和制約瓶頸,在此基礎上,通過定量和定性分析相結合的方法,遴選出鎮江市主導和未來發展的潛導產業,並根據產業連續增長的機理,培養推進型企業,依靠企業集群創造優勢產業的本地化效應,為產業之間的順利過渡和連續增長提出科學的依據。First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled
首先在推導超聲相控線陣換能器聲場的指向性的基礎上,就各個晶片幾何參數對指向性指標(主瓣寬度、旁瓣幅度、消除柵瓣) 、聲壓幅值、陣元振動模式、陣元間互輻射、有效檢測區域、精確控制能力、近場長度等方面的影響進行了論述,並在綜合各方面影響的基礎上,提出了晶片幾何參數優化設計的原則和方法,編寫了設計程序和界面。A new fractal - based infrared image feature extraction method is presented and the detailed theoretic analysis and implement procedure of this algorithm is submitted and tested in some experiments. with the limitation of the line detection based on traditional hough transform that the information of the length and the end points of the line is unavailable, a new algorithm which makes use of the accessional strategy based on precognition information is put forward to meet the demand for more information of the line, simulation results show this method is effective. finally, the whole process of airport target recognition is presented and the result images are also given
使用分形方法提取目標的特徵,在知識指導下,提出了一種基於目標特徵模型的降維的形態學分形維數計算方法,對傳統分形方法進行了改進,從理論上推證了演算法的合理性,並對演算法進行了模擬分析;針對傳統hough變換無法獲得線段端點和長度信息的局限性,提出了一種基於目標特徵先驗知識的hough變換融合策略,通過引入目標先驗知識,可以有效地獲得直線信息;對信息多而復雜的機場目標採用基於知識的目標識別方法,使用置信度模摘要型實現不確定推理,對目標進行識別判斷,將知識貫穿于整個識別過程中,對目標進行了有效地識別。Based on the original data of tm in 1988, 1992 and 1998, then after some processing and analysis, the author have the thematic data of land - use by interpretation. on the basis of them, the author made the analysis of land - use for this area based on the spacial analysis of gis and the method of comparison between result of land - use classification as follows : the method of aggregating analysis, the analysis of urbanization, the analysis of the transformation rate of cultivated land, the analysis of the driving force of land - use change and the sustainable use of land. the conclusions may be demonstrated below : the cultivated land decreases with the patchs fragment ; road spreads radialy surround second - ring road ; the urban land expands quickly toward southwest along the major roads and be concentrative. rural land and industry increse rapidly with dispersing ; 0thers change slowly. the major driving forces of land - use change in this area are the rapid expansion of urban and rapid growth of population, foreign investment and the development of tertiary industry which was based upon the real estate. according the trendency of land - use change, the author consider that we must insist on the way of the sustainable use of land based on protecting the cultivated land
在此基礎上,應用分類結果比較法,在gis各種空間分析功能(幾何量算、統計分析、疊加分析及緩沖區分析)的支持下,對該區土地利用變化進行了如下分析:土地利用綜合分析、城市化進程分析、耕地轉化率分析、土地利用變化因素分析及土地的可持續利用分析。結果表明:該區土地利用變化主要表現為耕地大量減少,斑塊破碎化;交通用地沿二環線呈放射狀向四周擴展;城鎮用地沿交通干線向西南方向擴張迅速,用地趨于集中;農村居民點和工礦業用地增加,用地趨于分散;其它用地變化較慢。這一用地變化的主導因素是城鎮用地擴展快、人口增長迅速、外資的大量投入及以房地產為主的第三產業的快速發展。Based on the kinematical design criterion of equi - chord percent ratio and spatial rigid body guiding mechanism, three theoretical design methods of arc track, non - arc track, and helical track are proposed in this thesis, meanwhile, different design methods about prime flap and sub - flap driving mechanisms are completed. three cases of different three - gaps - fowler - flap tracks are designed
對后緣三縫富勒襟翼工作時的3個關鍵位置,按照「等弦長百分比」運動的設計準則和空間剛體引導機構的設計思路,提出了圓弧軌道、非圓弧軌道和螺旋線軌道等3種空間位置引導軌道的設計原理,並分別給出主襟翼和子襟翼驅動機構的不同設計方法。A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide
把矩形波導一個寬面外突成均勻曲面構成的新波導統稱為共形波導.利用金屬波導邊界條件、變分法、邊界元素法構造這種新波導中主模場的一種近似解表達式,包括曲面橫截線為對稱、非對稱圓弧,拋物線弧,雙曲線弧,橢圓弧等.然後根據等效原理,推導非對稱圓弧矩形波導曲面上窄的縱向半波長縫隙的等效諧振電導的近似計算公式,給出計算曲線.這種解雖然是近似的,但卻能解決這類共形波導縫隙天線的工程設計In this dissertation, two kinds of optimization, methods are proposed. firstly, only these linking weights corresponding to the control rules that affect the control performance significantly are updated in order to reduce the compute works and speed up the training progress. secondly, the updating step is adjusted adaptively in accordance with the error and the change of error of the system based on the t - s model to get better performance
針對模糊神經網路控制器一般存在著在線權值調整計算量大、訓練時間長、過度修正權值可能導致系統劇烈振蕩等缺點,提出了兩種模糊神經網路控制器的優化方法:在線自學習過程中僅對控制性能影響大的控制規則相關的權值進行修正,以減小計算量,加快訓練速度;基於t - s模糊模型,根據偏差及偏差變化率大小動態自適應調節權值修正步長,抑制控制器輸出的劇烈變化,避免系統發生劇烈振蕩。Secondly, calculation theory of construction for suspension bridge is presented under the ideal condition of dead load design. linetype change stiffness of cable and slip stiffness of supporting points are deduced based on segmental catenary theory. then numerical analysis method through sgkz2000 software are introduced in detail about calculating design linetype for suspension bridge, unstressed length of cable, erection linetype of cable and pre - displacement of saddle without loads, erection linetype of wire strands, the fixed position for erecting cable band and linetype of lifting stiffening girders
其次,根據懸索橋恆載設計理想狀態建立了懸索橋施工計算原理;以分段懸鏈線索理論為基礎,推導了懸索的線形變化剛度和懸索支點的滑移剛度;介紹了懸索橋成橋設計線形計算、吊索無應力長度計算、空纜線形與預偏量計算、絲股架設線形計算、索夾安裝位置計算和加勁梁吊裝線形計算的具體方法、數值演算法及軟體sgkz2000的計算模塊的實現。It is a professional manufacturer of series of linear motion bearings, flange linear bearings, lengthened flange linear bearings, linear slippers, linear guides linear shaft chromeplate non - chromeplate, precise linear guides aluminium support guides, spherical plain bearings rod ends, spherical plain radial bearings, bolt type roller and needle roller bearings. we also can make other nonstandard bearings at any time. our products are used widely in various industrial machineries of weaving, printing, medical, precise machine tool, packing, metallurgy, spaceflight, automatic recording instrument, etc
麗水市豪滾軸承製造有限公司座落在浙江麗水市水閣工業區,是一家專業生產:直線運動球軸承系列法蘭直線軸承系列加長型法蘭直線軸承系列直線滑塊系列直線導軌光軸鍍鉻不鍍鉻精密直線導軌系列鋁支撐導軌桿端關節軸承系列向心關節軸承系列螺栓型滾輪滾針軸承系列,隨時可訂做各種非標型軸承,產品廣泛用於紡織機械印刷機械電動工具醫藥機械精密機床包裝冶金航天自動記錄儀等各種工業機械的配套。Henceforth, now that the question of political line has been settled, the quality of leadership given by the party committee in an economic unit should be judged mainly by the unit ' s adoption of advanced methods of management, by the progress of its technical innovation, and by the margins of increase of its productivity of labour, its profits, the personal income of its workers and the collective benefits it provides
今後,政治路線已經解決了,看一個經濟部門的黨委善不善於領導,領導得好不好,應該主要看這個經濟部門實行了先進的管理方法沒有,技術革新進行得怎麼樣,勞動生產率提高了多少,利潤增長了多少,勞動者的個人收入和集體福利增加了多少。Finite difference time - domain method is used to calculate the reflection for these probes and absorbing boundary condition is used to deal with the singularity in the axis of the coaxial - line in the simulation. by comparing the reflection of different probes, the best probe has been selected according to sensitive requirement. the influence of parameters : such as thickness of protective film, length of protruding inner conductor of the coaxial - line probe to the measurement has been studied
通過時域有限差分法進行數值模擬分析,並採用吸收邊界處理同軸線軸心奇異點,計算出各種探頭測量相同溶液的反射系數,根據其測量的靈敏度,選出最優設計;並通過分析所選探頭的各種設計參數,如薄膜厚度、內導體伸出長度等的變化對測量結果的影響,找出該探頭各參數的最佳范圍,使其具有高度靈敏性,以適用於測量化學反應溶液的介電常數。The spot responder system which is the necessary part of ctcs is analyzed in the dissertation and three key technologies of the channel in the responder system are researched. firstly, a new kind of rectangular plate magnetic inductive loop antenna is designed to transmit the power frequency. researching the near field inter - inductive characters, the relationship among the inductive efficiency, the perimeter and the conductor width of the antenna is found out
本文在對ctcs中的點式應答器系統原理及組成進行分析和消化的基礎上,對系統中通道的幾個關鍵技術進行了詳盡的研究,主要分為三個方面: 1 ,提出並研製了新型的片式環形磁感應天線,並對傳輸能量載波的天線的近場互感特性進行了分析,得到互感效率隨天線的周長大小以及導帶寬度的變化規律,並通過計算機模擬和試驗對天線的近場波瓣圖進行了研究;通過分析寬帶匹配技術中的實頻法理論,設計了信號載波天線的寬帶匹配網路。Based on the historical space forecast data and corresponding actual data provided by a global semiconductor assembly and test company, the uncertainty of space planning was defined. during this analysis process, linear regression, grey prediction, neural network back propagation algorithm and confidence interval were applied, respectively, to define the uncertainty. compared with those methods, the confidence interval of historical space forecast error, calculated by mathematical statistics, was the reasonable method to define the space forecasting uncertainty
本文從半導體工廠長期生產能力計劃的頂層即廠房生產面積的計劃展開,對一跨國半導體封裝測試公司提供的廠房生產面積的長期歷史預測數據以及對應的真實數據進行分析,採用線性回歸,灰預測,神經網路bp演算法,基於數理統計的置信區間的求解等方法分別定義廠房生產面積預測的不確定度,經多種方法的比較得出,基於數理統計方法求解出的生產面積歷史預測誤差置信區間能直觀清楚地標定不確定度。Research on long distance sub wire carrying out measure way
長距離支導線貫通測量方法研究Normal bp algorithm can be used in many fields and resolved many practical problems, however, normal bp algorithm has many limitations such as it ' s easy to fall into the local minimum in the course of convergence, its " convergent speed is very slow, the method which set the structural parameter and the operational parameter has n ' t be widely accepted, and so on
標準bp演算法應用甚廣,解決了許多的實際問題,但同時它也存在著諸如在收斂過程中容易陷入局部最小點、收斂速度很慢以及網路的結構參數(隱層數、隱層單元)和運算參數(步長、非線性函數的選擇)等都尚無公認的理論指導等問題。Magnetic force pump magnet couplings " universal energy equation is educed by analyzing of demagnetization curve, ways of reverting force calculating are introduced according to the equation when inside magnet rotor have axial direction and radial displacement, circumferential moment of magnetic force has been given, magnetic force pump alnico ' s axial direction length, circumferential length, radial thickness amounts are summarized with the analyses of experiment results
利用退磁曲線法,推導磁力泵聯軸器能量通用公式,導出內磁轉子在軸向偏移和徑向偏置下產生的回復力計算方法,周向傳動轉矩計算方法,結合試驗結果,總結推薦磁力泵磁鋼軸向長度、周向長度、徑向厚度、磁極數設計方法。Extension lead method
延長導線法The finite difference time domain ( fdtd ) method is used to simulate the electromagnetic in the middle of a shielding box and the induced current in circuits inside it when it with and without a wire penetrated
應用時域有限差分( fdtd )法對有、無貫通導線及不同長度的貫通導線穿過屏蔽箱體時,箱體中點處的電場及箱體內印刷電路上的耦合電流進行了數值模擬。Based on the field test, the formula for calculation of composite foundation bearing capacity in the criterion are revised, and the reasonable method to detertemine the correction coefficient is also discussed. the visual vb program is work out to analyze the stress ratio, and the p - n curve method to determine rushed stone pile composite foundation is proposed
此外通過對實測數據的綜合觀察分析,修正了現行規范中的復合地基承載力計算方法,對修正系數的合理確定進行了討論;編制了可視化vb程序;對復合地基承載過程中應力比隨荷載的變化規律進行探討;並依據臨長高速公路試驗研究結果,導得了確定碎石樁復合地基承載力的p - n曲線法。分享友人