離散相位 的英文怎麼說

中文拼音 [sǎnxiāngwèi]
離散相位 英文
discrete phase
  • : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
  • : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
  • 相位 : phase position; phase
  1. Analyse the tooth geometry of klingelnberg cyclo - palloid spiral bevel gear., according to the relative position and kinematic relation of the cutter heads, virtual crown gear and the processed wheel blank, established the system of coordinates of the gear cutting, dedcuced the tooth face equation of the virtual crown gear, according to relations of the gear cutting and space theory of engagement, deduced the tooth face equation of klingelnberg cyclo - palloid spiral bevel gear, and drawing the three - dimensional graphs of the virutal crown gear and klingelnberg cyclo - palloid spiral bevel gear according to the design and setting parameters

    對克林貝格擺線齒錐齒輪進行齒面幾何分析。根據銑齒加工中刀盤、搖臺和輪坯的置和對運動關系建立了切齒嚙合坐標系,由矢量的旋轉推導了產形輪齒面方程;根據空間嚙合原理和切齒嚙合關系推導了被加工齒輪的齒面方程;由設計參數和銑齒調整參數計算得到齒面數據,繪制了產形輪和擺線齒錐齒輪的三維齒形。
  2. Main contents and results are as follows : in this paper the ote strategy, where the control operation is formulated according to the relation among the motions of the structures, the exciting force and the control force, is presented. the detailed algorithm can be derived by means of combining the strategy with fuzzy control theory

    主要研究內容和成果如下: ( 1 )提出了一種新型可適用於大多數控制系統的控制策略,即( ote )策略,可以方便地與模糊控制理論結合形成包括連續控制和控制在內的具體的演算法。
  3. The approach includes ( 1 ) obtaining the cutter - location data based on parameter curves. ( 2 ) tessellation of the trim nurbs surfaces into triangles. ( 3 ) interference detection and tool - position correction

    在曲面的參數線上規劃刀軌跡,將曲面用三角片逼近,利用刀具曲面與三角片的幾何關性進行干涉檢查及刀修正。
  4. When blanket jamming is used, the more the ratio between the power of jamming and the power of signal, the less detection probability of the radar is. the effect of distributed jamming mainly depends on the total power. after distributed, the randomicity of distance and phase of jamming source bring difficulties to analysis

    對壓制式干擾來講,干信比越大,雷達的發現目標的概率就越小,由於分式干擾的干擾效能在於其合成功率,在分式干擾單元分佈之後,各個干擾源與被干擾對象之間的距的不確定性,帶來了干擾信號的不確定性,增加了分析干擾效能的復雜度。
  5. S. consideration of interaction on the nonlinearity about the material, the geometry, and the boundary of the columns subject to axial force. biaxial hending, and torsion, an analytical model of hysteretic curve of columns is presented, based on the sectional cross - sectional discrete yieldsurface inodel, the bond slip in anchorage zones regarded as the boundary nonlinearity of a memher. and the iterative procedure of displacement of inner nodes on the basis of the hamonization of displacement

    5 、根據構件分段截面的屈服面模型法,把錨固區粘結滑移看成構件的邊界非線,以及基於移協調的內結點移迭代法,建立了能考慮構件壓(拉) 、雙彎、扭的材料、邊界、幾何非線性互影響的柱空間滯回曲線分析模型。
  6. After analysising three existed methods for phase difference correction on discrete spectrum, it is recommended to correct the spectrum containing small noise in engineer practice by the first phase difference correcting method ( performing fft analysis on two continuous original sequence ) with harming window

    綜合分析現有三種頻譜差校正方法,推薦在小噪聲工程實際中加hanning窗的第一種差法(采連續兩段信號作同點數fft的差校正法)進行校正。
  7. Study shows that the basic principles of three existed methods for phase difference correction on discrete spectrum are identical, by which the twice fft analysis through time - domain shifting time series or changing window ' s length is performed, and the spectrum by making use of the phase difference of two corresponding peak lines are finally corrected

    在研究時域平移的頻譜差校正方法和改變窗長頻譜差校正方法的基礎上,發現這幾種頻譜差校正法的基本原理是一致的,就是通過時移和加不同的對稱窗進行兩次fft分析,並利用頻譜對應峰值譜線的差以求得頻率和校正量。
  8. Hydrologic station is a distributive organization and relates to geography location and geological condition

    水文站是一個分佈的對象,與地理置、地質條件密切關。
  9. In order to identify the dependent relationship between words based on statistics efficiently and accurately, this paper has rectified part of the shortcomings of present algorithms by making the best of the distribution characteristic between words, distinguishing the collocation, coordinate and affiliation relationship between words, identifying them respectively by different strategies, presenting a new module of matching between strings and a new module of dependent intensity between words, constructing the tree of dependent relationship, pruning the constructed tree of dependent relationship and identifying some latent dependent relationship

    摘要本文擴展和改進了現有的詞語間依存關系定量識別演算法,充分考慮詞項概率分佈的影響;明確區分詞項之間的搭配關系、並列關系和從屬關系,針對它們不同的特點,提出不同的識別演算法;提出字串匹配模型;充分考慮兩個詞項之間置的分佈和距的影響、以及它們的概率分佈特性,提出詞項間的依存強度模型,並據此構建詞語間依存關系樹;提出更新策略,對已經建好的依存關系樹進行裁剪,並挖掘出潛在的依存關系。
  10. Its applications include in the fields of information engineering, electronics industry, theory of controls and economic, etc. for example, we use geometric distribution to describe the life distribution of runs of a species in transect surveys of plant populations and inventory demand distributions. in the theory of reliability, geometric distribution is one of the most important discrete probability distributions because of its loss of memory

    在可靠性理論中,由於幾何分佈的無記憶性,使得其是型壽命分佈中最為重要的壽命分佈之一,其當于指數分佈在連續型壽命分佈中的地,這正如程侃研究員在文獻[ 5 ]中所指出的「在壽命的情形,幾何分佈起著連續情形下指數分佈所起的作用」一樣。
  11. The numerical solutions show the integer - coded ga is effective. when number of the discrete value between representation for binary coding and in discrete list ca n ' t be corresponded by one - to - one, integer coding is predominant, and better solutions are achieved under the same parameters. in chapter 5, ga is applied to configuration optimization of truss with mixed variables and topology optimization of truss with singularity

    通過算例表明,整數編碼的遺傳演算法是有效的,而且在二進制編碼所能表示的值個數與變量的可選值數目不能一一對應大連理工大學博士學論文一時,整數編碼顯示了它的優勢,在同的控制參數下,能夠得到比二進制編碼更優的結果。
  12. The engendering source of traffic volumes and their general influential factors have been presented, and the situation of nowadays highway transportation has been discussed. according to the introduction of traffic distribution theory and classical assignment method, analysis of traffic flow path selection among cities and that of special influential factors for traffic flow on toll highways, initial analysis to the forming mechanism of traffic volume on road sections has been made, and a probability model for path selection has been set up with the maximum - utility theory and disaggregating model. detailed analysis to impedances on road sections and their functions ( especially to three main composing factors of the impedances as cost of time, transport and toll and to the functional relations with traffic loads ) was made, at the same time, the relative cost calculating model was set up on the basis of the state - of - art achievements in both international and national researches

    主要研究內容包括:交通量的產生根源及一般影響因素分析和當前公路運輸地討論;從交通分配理論及經典配流方法著手,通過分析城市間交通流路徑選擇行為和收費公路路段交通量特殊影響因素,初步提出路段交通量的形成機理,並採用效用極大原理和非集結模型理論( disaggregationmodel ) ,建立用戶出行路徑選擇概率模型;對路段阻抗及路阻函數(尤其對行程時間費用、車輛營運費用和道路收費這三個構成路段阻抗的主要因素及其與交通負荷間的函數關系)進行較為詳盡的分析,並以現階段國內外較為先進的研究成果為依據建立應的成本測算模型,其中,特別提出了兩種確定客貨車輛時間價值的分析方法;分析法和時間-費率轉換法,後者是在目前基礎調查、統計數據資料不夠齊全的現實下提出的一種確定道路系統內務車型時間價值的較為實用的新方法;對我國公路收費政策的背景和理論、實踐依據及費率的各種影響因素進行重點分析;從數學的角度證明合理費率的存在性,並以最優化理論為基礎,建立在普通收費公路和擁擠路段交通調控型收費公路兩種模式下合理費率的計算模型等。
  13. To correct these effects, two methods were introduced in this paper : using weighted function to constrain second phase error caused by dispersion, and utilizing pga algorithm to reduce the phase perturbation due to the irregularities of the ionosphere

    本論文介紹了兩種校正方法:利用加權函數抑制色效應引起的二次誤差,以及使用梯度自聚焦演算法較正由電層的不規則性引起的信號起伏。
  14. On the following, on the basis of formulas given above, three kinds of effects due to ionosphere are presented : image shift due to group delay which was caused by the difference between the group velocity and the velocity of light in the ionosphere ; image distortion due to ionospheric dispersion which can create second phase error of lfm signals ; the last, the phase perturbation caused by the irregularities of the ionosphere can reduce the coherent length and affect azimuthal resolution

    文中主要研究了電層的三種影響:信號經過電層傳播的群延遲引起的成像偏移;電層的色效應給線性調頻信號帶來二次誤差,導致圖像退化、失真;以及電層的閃爍、湍流等不規則性引起的信號起伏。在此基礎上,比較分析了不同波段、帶寬條件下電層的影響。
  15. One is to use fourier transformation to convert the source signal from time domain to frequency domain and to discard high frequency harmonious components upwards of 19 ( gb / t14953 - 93 d5. 3 demanding ), then to have static huffman coding to the quantized char array which is composed of reserved direct current component and basic wave and each high frequency " s amplitudes and angles. the other is to use discrete wavelet transformation to convert the source signal from time domain to frequency domain and to set the high frequency coefficients that its absolute value is smaller than the given threshold to zero, then to have dynamic huffman coding to the quantized char array which is composed of multiple, wavelet ' s level, datum length, low frequency coefficients and reserved high frequency coefficients. mass simulinks and analyses under the two circumstances have done to show that data compression ratio is small and the relative error is also small and within the permission of engineering and the compression problem can be solved in theory of measured datum of power system

    第一種情況的壓縮方法為:採用傳統的傅立葉變換把原始信號從時間域變換到頻率域,舍棄20次及其以上的高次諧波成分(保證了gb / t14953 ? 93d5 . 3要求) ,然後對保留的直流分量、基波和各次諧波的幅值和角數據量化后和量化時分別乘以的倍數系數構成一個數組,以字元形式保存,採用靜態huffman編碼對變換數據進行壓縮;採用小波變換把原始信號從時間域變換到頻率域,然後對分解得到的高頻系數進行閾值量化處理,對乘以的倍數系數、小波變換的階數、小波變換后的低頻、各級高頻以及原始數據長度、量化后的低頻系數以及保留的高頻系數大小、置構成一個數組,以字元形式保存,採用動態huffman編碼對這個文件進行壓縮。
  16. Such a semiacitve control system is not only with a broad frequency range for vibration suppression but also apt to implement. numerical results show that using the discrete control can generally decrease the displacement response but increase the acceleration response, whereas using the co

    同時通過數值計算發現,變剛度控制如果採用控制的方法,盡管可以有效抑制結構的移反應,但是大多數情況下對于加速度反應則是不利的;反,連續控制則顯得比較靈活,可以有效克服這種缺陷。
  17. At the lowest level, all computer communication involves encoding data in a form of energy, and sending the energy across a transmission medium

    傳輸的信號分為和連續兩類,可以利用電流(電壓)或電磁波參數(如振幅、頻率、)等物理信號的變化與檢測達到通信目的。
  18. The main research is as follows : analyze and research the boundary constraint and the structure characteristic and segment the frame making use of the shell element, the pipe element etc. on the base of it the practical finite element model has been established ; analyze the mode of the frame by dint of the finite element model. and get the inherent frequency and the vibration mode of the frame. tentatively estimate the dynamic characteristic of the frame and analyze the inherent frequency that may be lead to the resonance

    論文的主要研究工作如下:分析研究車架的邊界條件和結構特性,並用殼、管等單元對該車架進行,建立一種切實有效的車架有限元模型;對該車架的有限元模型進行模態分析,求得其的固有頻率和振型,並對車架的動態特性做出初步評估,分析可能引起車架振動的固有頻率;在模態分析基礎上,研究發動機輸出的簡諧力引起的車架移響應(即諧響應分析) ,以考察摩托車車架各部的振動情況並與模態分析對比,分析是否與該車架的固有頻率耦合而導致共振;在深入研究車架的模態分析及諧響應分析、清晰地認識了摩托車車架動態特性的基礎上,分析並提出了採用橡膠減震器對車架進行隔振的減震方法。
  19. Next, basing on discrete electric potential, plots the distributing figure of the electic potential and electic field, and analyzes relationship between the operational characteristics of static induction transistor and the structure parameter and bias voltage

    其次依據求得的值,繪制應的電分布圖形和電場分布圖形。最後通過對圖形的分析,解析有機靜電感應三極體的工作特性與器件結構參數和所加偏壓的關系。
  20. Through the analysis of the soft - field characteristic, it is found that the sensitivity field distribution is affected by the location, the size and the conductivity of the disperse phase medium

    從靈敏度角度出發多方面(介質所在置、介質所佔區域大小、介質的電導率等)分析了介質分佈影響靈敏場分佈這一「軟場」特性。
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