明線參數 的英文怎麼說

中文拼音 [míngxiànshēnshǔ]
明線參數 英文
open wire parameter
  • : Ⅰ形容詞1 (明亮) bright; brilliant; light 2 (明白;清楚) clear; distinct 3 (公開;顯露在外;不隱...
  • : 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...
  • : 參構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 明線 : [電子學] open wire line; open wire明線布線 surface wiring; open wiring; exposed wiring; 明線載波...
  1. It is proven that these modified dual algorithms still have the same convergence results as those of the conceptional dual algorithms in chapter 2 and chapter 3. secondly, a dual algorithm is constructed for general constrained nonlinear programming problems and the local convergence theorem is established accordingly. the condition number of modified lagrange function ' s hessian is estimated, which also depends on the penalty parameter

    這些修正的對偶演算法仍具有同前兩章的概念性對偶演算法相同的收斂性結果,我們還進一步構造了一般約束非性規劃問題的對偶演算法,建立了相應的局部收斂理論,最後估計了修正lagrange函的hesse陣的條件,它同樣依賴于罰
  2. Experimental results show that the bistable of tuned substrate self - bias was determined by discharge gas pressure, discharge power and tuning circuit parameters etc. the bistable exists is because of there is capacitive coupling in icp system and sheath capacitance is nonlinear

    實驗結果表這種跳變回滯現象與等離子體的放電氣壓、射頻功率以及調諧外電路的等多種因素密切相聯系。而產生跳變回滯現象的原因是icp中存在容性耦合以及鞘層電容具有非性特性。
  3. Based on the back - analysis data of some excavation stage, through the non - linear finite element program nef, we can predict the tendency of next excavation stage. the relative error between calculation and measurement is controlled in 25 %, demonstrate the estimate prediction is successful

    根據反演的某一階段的土體值,通過非性有限元程序nfp ,預測后一階段的邊坡變形情況,實例中理論計算值與實測值的相對誤差控制在25 %以內,說預測是成功的。
  4. The primary theory of absorption and desorption was also explained. the effects of primary process parameters, such as hydrogen pressure, time and temperature on the magnetic properties of ndfeb have been researched. the structure and magnetic properties have been analyzed by means of optical metallographic microscopy, scanning electronic microscopy, x - ray diffraction analysis, infrared oxygen detector and magnetic properties measurement

    本文設計了燒結ndfeb的氫爆制粉設備,對設備調試以及使用過程中出現的主要問題進行了簡要的說,提出了一系列解決方法;闡述了吸氫、脫氫的基本原理;研究了氫氣壓力、通氫時間、氫爆溫度等基本工藝對磁性能的影響;利用金相顯微鏡和掃描電子顯微鏡, x射衍射分析,紅外測氧分析及綜合磁性測量儀等手段分析了材料的組織結構和磁性能。
  5. The elastic foundation model is considered as two - parameter elastic foundation model and its effect to moderate - thick plates are taken into account by a set of governing differential equations. united with hu hai - chang ’ s function, least squares collocation weighted residual method which uses b - spline function as trial function is put forward for solving the bending problems. compare with the results of finite element method of lines, spline finite strip method, accurate solution of series etc. it is proved that the method in this article has adequate accuracy and practical feasibility

    本文採用瑞斯納中厚板理論求解彈性地基板,建立雙地基與中厚板相互作用的控制微分方程,結合胡海昌的解耦函,運用雙五次b樣條函作為試函的離散型最小二乘加權殘值法分析了雙地基上的中厚板的彎曲問題,並將結果與有限元法、有限條法、級精確解等進行比較,證本文方法具有足夠的精確性與實際的可行性。
  6. The two - degree - of - freedom nonlinear system with cubic nonlinearities will be used to explore the bifurcations and chaotic dynamics in the rotor - ambs system with eight pole pairs. the results obtained by the dissertation show that there exist the chaotic motions in some parameter regions

    本文研究了電磁軸承-轉子系統的非性動力學,表電磁軸承-轉子系統在某些區域內可以出現全局分叉和混沌運動。
  7. The adjoint code technique is employed for projecting the adjoint programs of betts - miller cumulus convection scheme of lasg - rem model and their correctness is verified, indicating that the adjoint program and its nonlinear program are converse in theory

    採用伴隨碼方法構造了lasg - rem模式的betts對流化方案的伴隨程序,並對其正確性進行了檢驗,結果表編制的betts方案的伴隨程序與非性程序在理論上是可逆的。
  8. By the result of these experiments, acoustic emission ( ae ) was chosen to use in the research. at the same time, we analyse the phenomenon of acoustic emission at the base of theory, the characteristic signal of acoustic emission which comes from the faulty bearing at the angle of application, and the expression of the characteristic signal. contrast was also made on the data achieved separately from vibrational signal and ae signal, and it is proved that ae is feasible and available to the diagnosis to the fault of the rolling bearing

    主要工作有如下幾方面:對本段前期實驗室階段採用的振動法幅值域無量綱處理進行了分析,並研製了現場所使用的滾動軸承故障檢測裝置,將無量綱診斷法應用於段修現場,且做了大量試驗;對于現場試驗中所出現的問題進行了分析,提出將聲發射的方法用於軸承的在故障診斷;從理論上分析了聲發射現象,從應用的角度分析故障軸承的聲發射信號的特徵以及聲發射信號特徵的表示方法,並在實驗室中,採用振動法和聲發射法實時檢測的實驗據進行了對比和分析,證了使用聲發射法對軸承故障檢測的可行性和有效性。
  9. Based on the fluffy appearance of the clouds yarn and eye - lock yarn generated by the special feeding and twisting process, the mathematical model is implemented by using the characteristic parameters of these yarns and their colors ' brilliances

    摘要根據大肚子紗,鎖眼紗特殊的喂入及加捻方式而形成的蓬鬆外觀,描述兩種紗的特徵,並處理色彩暗度,建立學模型。
  10. A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains

    模式主要依賴于以下和物理量:地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系雲量等。結果表,本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系湍流動能位溫廓等,以及它們的日變化。該模式所取主要針對北京市,時間為九月初,對于其他城市,應作相應的調整。
  11. In chapter four, according to the analysis on the boundary theory and velocity field of main fluid zone of two - phase fluid pumps, the parameter equations of vane ' s modular curve of centrifugal pump are given, which contact the boundary " layer and eular theory of two - phase fluid pump by the fixing angel of vane as variable and leading into the velocity coefficient a. the results show that, in designing process of vane ' s modular curve of centrifugal pump, the determination of the total shape and parameters relates the flow properties of two - phase fluid and output ability of pump, or the design of the modular curve of centrifugal pump is the kernel of hydraulic design

    第四章依據固液兩相流泵的邊界層理論及對主流區速度場的分析,給出了離心泵葉片型方程;它是以葉片安裝角為,以引入的速度系k _ v作為中間因子,將兩相流泵的邊界層理論和歐拉理論聯系起來? ?它說了這樣一個事實,在離心泵葉片型的設計過程中,它的整個形態或的確定都關繫到兩相流體的流動特性和泵的輸出能力,或者說,離心泵型的設計是其水力設計的核心。
  12. Basing on the two order tangency at initial point between isotropic curve and hugoniot curve, a new method for calculating cold energy cold pressure and cohesive energy for solid is presented in the paper, comparison with experimental data manifest that this method is very good and can be applied

    利用在初始點等熵和沖擊絕熱二級相切的性質,給出了一種可用於計算固體冷能冷壓和結合能的新方法,並推導了利用hugoniot計算結合能的公式。與實驗據的比較表,這種方法是有效可行的。
  13. Then, the chaser ' s two orbit roots are selected as variable and visualizing the simulation by contour plot. this part of research draws the conclusion the same as the first part when the target ' s orbit is circular orbit, while the selected two variable can be wildly changed if the target ' s orbit is elliptical orbit. next, wait time before orbit maneuver is simulated

    其次,利用可視化的等值圖研究了追蹤器軌道兩個為變量的情況下大范圍軌道機動問題,分析表對圓軌道目標器交會機動時,追蹤器軌道根不宜與目標器軌道根相差過大,而對橢圓軌道目標器交會機動時,追蹤器軌道根可選范圍較大,機動策略和方法富於彈性。
  14. Because of the unique issues in the networks, including mobility - induced disconnection, network partition, high out - of - order delivery ratios and channel errors, the congestion control and the error recovery in the network is challenging. in this environment, the interaction between tcp and mac layer protocols, the affection of route protocols on the performance of tcp and the particular congestion control and error recovery mechanism are first discussed. then a particular transport layer protocol scheme based on the non - feedback mechanism is presented, with emphasis on the analysis and simulation of the key parameter

    文中主要討論了兩種不同網路結構中的無tcp協議改進方案,其一在最後一跳為無鏈路的網路環境中,針對基本tcp擁塞控制機制存在的缺陷,文中在現有解決方案的基礎上提出一綜合性的方案,其中包括無鏈路的高誤碼率和連接斷開問題的解決,並重點對方案中出現的交叉層問題進行分析和模擬;其二,考慮的是分散式網路( adhoc ) ,在文中較為詳細的分析了tcp和mac層機制間的相互作用、路由協議中造成tcp性能降低的因素、 adhoc網路中應採取的特殊擁塞控制和差錯恢復機制,在此基礎上提出了一種採用非反饋機制的解決方案,重點對方案中的關鍵進行分析和模擬,分析和模擬結果表此機制可在很大程度上提高adhoc網路中tcp的性能。
  15. In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery

    魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角(接近180 ) ,但同時也引入嚴重的圖像變形,常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上,通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形,建立了魚眼鏡頭成像的精確成像模型,然後,利用非性迭代演算法,精確求解攝像機外部、內部.實驗表,使用該方法得到的立體視覺系統滿足精確恢復大場景稠密深度圖的要求
  16. On the basis of the theory of fractal geometry, the fractal dimension characters of ae signal at different tool wear states were analyzed, an algorithm was provided to decide the scale range which is necessary to calculate the dimension of non - fully - fractal form. the experiments showed that the fractal dimension of ae signal is slightly effected by the changes of cutting parameters ; the variance of the fractal dimensions, which reflects the geometric characters of ae signals, has the same tendency as that of the flank wear, the monitoring system, which takes the fractal dimension of the ae signal as the feature, can identify the different tool wear states more correctly under different cutting conditions

    以分形幾何理論為基礎,對刀具不同磨損階段聲發射信號的分形特徵進行分析.提出了計算非完全分形體信號波形的關聯維時尺度范圍的確定方法,分析了聲發射信號在刀具磨損過程中分形維的變化特性.刀具磨損切削實驗據表,聲發射信號的分形維受切削變化影響較小;分形維反映了聲發射信號的幾何特徵,其大小能較好地反映刀具的不同磨損狀態.實驗結果表,該方法能正確地實時在監測刀具的不同磨損狀態
  17. The experiment shows that by changing the velocity coefficient, the separation of boundary layer on pump vane can be controlled, and the performance of pump is improved and its hydraulic efficiency

    實驗證通過改變葉片型方程中的速度系的取值,可以控制邊界層的分離,進而改善泵的性能,提高其水力效率。
  18. Fitting results of three non darcy seepage models including three - parameter model, power exponent model and two - section model were pretty good, and broken line model could be simplified to the forms of linear permeability model and darcy model

    試驗與分析結果表,三模型、冪指模型和非性分段模型這3種非達西滲流模型的擬合效果較好;折滲流模型簡單實用,在特殊情況下可以簡化為性滲流模型或達西定律。
  19. The influence of difference in temperature, reynolds number of film, vacuum degree and spring parameter to the heat transfer capability on the evaporation side was studied through the uniform wall temperature experiment, by the result, the heat transfer coefficient on the evaporation side can be improved by inserting spring with proper parameter. when the reynolds number was between 4000 and 14000, and the heat transfer coefficient can be improved nearly 30 percents by inserting the fifth spring when the reynolds number nearly was 12000

    採用8種的螺旋,通過恆壁溫實驗探討了傳熱溫差、雷諾、真空度和螺旋對蒸發側傳熱性能的影響,結果表,插入合適的螺旋,在雷諾為4000 14000范圍內可以提高蒸發側傳熱系,在雷諾為12000左右時,加入5號螺旋可以使蒸發側傳熱性能提高30左右。
  20. This method can guarantee the solution matrix of sylvester equation to be inverse and the sum of the input gain norm and the observer gain norm is the minimum. for the linear systems with unknown parameters, we identify the parameters using hopfield network, then design the observers using the identified parameters, the exponential convergence of adaptive observer is also proved. for the linear time - varying systems, a new network to solve the time - varying sylvester equation is proposed, we analysis it ' s convergence and robustness, then, deign the linear time - varying observer using this network model, and we discuss the convergence of the observer and ruboustness to unknown match parameters

    同時保證了sylvester方程的解矩陣的可逆性和觀測器的增益矩陣與輸入矩陣范的和最小;在設計性時不變自適應觀測器時,首先利用系統的輸入、輸出據設計一個hopfield網路估計器,進一步設計狀態觀測器,證估計器和狀態觀測器的指收斂性;為了仍然從神經優化計算的角度設計性時變系統的狀態觀測器,最後介紹了一種求解時變sylvester矩陣方程的神經網路模型,分析了它的收斂性和魯棒性,然後利用該網路設計時變狀態觀測器,進一步討論該觀測器的在系統存在未建模不確定和外部噪聲時的魯棒性;最後給出了一種基於分離性原理和hopfield網路觀測器的狀態反饋閉環系統的結構,分析了該閉環系統的特點;對于每一種設計方法都給出了相應的值模擬例子來進一步表所提方法的可行性和有效性。
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