零階模 的英文怎麼說

中文拼音 [língjiēmó]
零階模 英文
zero order mode
  • 零 : Ⅰ數詞1 （零數） zero2 （數的空位） zero sign （0）; nought 3 （表示沒有數量;無） nil; nought 4 （...
  • 階 : 名詞1. （臺階） steps; stairs 2. （等級） rank 3. [醫學] （耳蝸的三個螺旋管的任一個） scala 4. [數學] order 5. [地質學] stage
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  1. Components of injection mould for plastics. shouldered ejector pins

    塑料注射模零件.臺階頂桿
  2. So it is impossible for enstatite to decompose to oxides between 50 to 140gpa. ( 5 ) the bulk modulus k0s and its first derivative of pressure k0s " were calculated from the experimental hugoniot data, by using eularian limit strain theory

    3 ）根據本文頑火輝石hugoniot實驗數據（結合前人的實驗數據l用歐拉有限應變理論計算得到的頑火輝石零壓炸彈性模量及其對壓力的一階導數為： k叮一266gpa ， k ； ，二4
  3. For solving all these problems, through applying visualization technology of engineer design to the design of oil - feed unit, this paper constructs the entity model of oil - feed unit, establish the three - dimensional standard parts, implement the semi - automated and automated connect, and produce automatically the 2d or 3d part drawings. using this system the designer can observe and evaluate the space model of the unit, discuss the feasibility of space layout and the probable errors, so that the decision can be optimized and the competition of enterprise can be improved greatly

    針對船舶供油單元設計、製造中的上述問題，本系統擬將工程設計可視化技術應用於船舶供油單元的設計，構造船舶供油單元的三維實體模型，建立三維標準件庫，實現管路的自動、半自動連接，自動生成管路的二維和三維零件圖，使得設計人員在設計階段就可觀察、評判單元的空間模型，直觀地探討空間布置的合理性和存在的問題，從而幫助決策的優化，提高企業競爭力。
  4. In the phase of image pretreatment, the main jobs of this system includes dot operation, image swell, positive chiasma transform, edge extraction and edge swell, outline track, etc. because the visual system itself is a neural system, systematizer designed in the paper adopts bp neural network to accomplish computer image identification, the system has some advantages over the traditional one, but with the extensive application of bp neural network, the problems existing in bp neural network come forth increasingly

    在系統軟體設計部分中，首先是對所選零件進行模式識別，包括圖像預處理、特徵提取和分類器設計三個階段，其中在圖像預處理階段本系統主要做的工作有：點運算、圖像增強、正交變換、邊緣提取和邊緣增強、輪廓跟蹤等。由於視覺系統本身就是一個神經系統，故本文所設計的分類器採用bp神經網路，其具有一些傳統技術所沒有的優點。
  5. According to results of calculations and experiments, main causes that contribute to vibration are founded, then puts forward improving measures of adding deflexed supporting and suspending nogs and making pipelines shunt - wound, finally completes improvement tasks following is the main works completed in this thesis : ( 1 ) this thesis sets up a mathematic model of steam pipelines, using ansys5. 6 limited - unit analyzing software, calculates the ten phase inherent frequency and the foregoing eight phases vibration types of four steam pipelines of the unit before dealt with

    為了解決八零三電廠2號汽輪機四根主蒸汽導汽管道振動的問題，本文建立了相應的計算模型，並根據計算和實測結果，找出了振動的主要原因，提出了加裝偏轉支吊架和管道並聯的改進措施，完成了改造工作。本文主要工作是：建立導汽管計算模型，並應用ansys5 . 6有限元分析軟體，對機組四根導汽管治理前的10階固有頻率和前8階振型進行計算。
  6. Propagation of spectra affected by third - order dispersion in dispersion - decreasing fiber near zero dispersion wavelengths was studied by means of numerical simulation

    摘要為探討三階色散對脈沖傳播的意義，用數值模擬的方法討論了在色散緩變光纖中零色散波長附近三階色散對脈沖頻譜演變的影響。
  7. Rapid prototyping technology changed the traditional pattern of product design, which could offer product sample for the designer, reduced design cycle and quicken the schedule of new product design, and it gave the decision - makers visual feeling. ; rp technology provided kinds of molds including resin - boncled mold laminate mold, investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting, it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly, and it could even produce casting products in small scales. the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced, the organic combination between rapid prototyping tecnnology and foundry process, which initiated a new period of rapid manufacturing metal parts, by using advanced new technology alternated traditional foundry industry to make it looked brand - new, thus, the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method, common processes of using rapid prototyping technology to produce dies were discussed, in the paper it explored that. the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting, rapid tooling based on rapid prototyping, integrated advanced new technology and tradition technology of rapid prototyping manufacture, each superiority were exerted, rapid prototyping technology had been an efficiency measure to rapid update products and develop new product, and to middle -

    快速成型技術改變了傳統的產品開發模式，可以為設計者提供產品樣件，縮短設計周期，加快新產品的開發進度，為決策者提供直觀性；快速成型技術迅速提供砂型鑄造、熔模鑄造、實型鑄造用的各種模樣，包括樹脂模、層壓模、熔模和消失模等，還可採用直接制殼鑄造法直接製造熔模鑄造用的壓型、金屬型、壓鑄型、注塑模，甚至直接製造小批量鑄件，介紹了熔積成型技術在石膏型精密鑄造上的應用和基於選擇性激光燒結技術的快速鑄造技術，快速成型技術與鑄造工藝的有機結合，開創了快速製造金屬零件的新階段，對用高新技術改造傳統的鑄造工業，使其面貌煥然一新，增強鑄造行業的競爭能力；快速成型技術為母模的製造提供了一條快速、經濟、可行的技術途徑，討論了利用快速成型技術製造模具的一般工藝方法，探討了將快速成型技術與金屬電弧噴鍍技術結合起來快速製造金屬模具問題，以及快速成型技術與精密鑄造技術相結合的模具製造工藝，基於快速成型製造的快速模具技術，集成了快速成型製造高新技術和傳統技術，發揮各自優勢，已成為產品快速更新換代和新產品開發及中、小批量生產的有效手段之一。
  8. Hats off to you and your owners ! " - russell huffman, new tech alarms 1 2006 component sourcing in china and taiwan

    一項新產品可能在還沒進入打模階段之前，便因零件成本太高而胎死腹中。
  9. The window function of circular hard - edge apertures is simulated and optimized by the laguerre - gauss truncated series, and applied to study the diffraction of gaussian beams and 0 - order bessel - gaussian beams by the hard - edge aperture

    摘要用拉蓋爾高斯截斷級數模擬了任意半徑的圓孔硬邊光闌窗口函數，並應用於研究高斯光束和零階貝塞爾高斯光束通過硬邊光闌的衍射。
  10. The growth of the both species is of logistic naluf. the mature species - y preys on the mature - x. by using the lyapunov function we obtain the - conditions for globally asymptotic stablility of positive equilibria without harvesting. conditions for global asymptotic stablility of four positive equilibria with harvesting and the threhold of hai vi - sting mature population

    但從目前已知的文獻來看，對于兩個種群同時具有年齡階段結構，且同時對兩個種群進行開發的結果較少，本文通過構逅lyapunov函數，得到了當捕獲率不為零時上述模型存在一個全局漸近穩定的正平衡點的充分條件，也就是說，在一定條件下，種群兄。
  11. Design of current - mode second - order filter based on multiple - output ftfn

    一種基於多輸出四端浮地零器的電流模式二階濾波器的設計
  12. Become a kind of new electronics circuit - current - mode circuit. it is replacing the traditional design method of the voltage - mode in the high frequency high - speed signal processing realm 。 this thesis mainly discussed the modified second - generation current conveyors based on the current - mode kinds of new cuicuit components, they are stronger modified standard current - mode parts in fuctions on this foundation. mainly including the modified differential difference current conveyor ( mddccii ) 、 the fully balanced second generation current conveyor ( fbccii ) 、 ( full balances ) four - terminal floating nullor ( fbftfn ) and the current differencing buffered amplifier ( cdba ), they are all function very strong standard current - mode parts, they all can provide some circuit functions of better than general operation amplifier, because they have the voltage importation and the current importation, therefore use it since can carry out the voltage - mode signal processing circuit expediently, can also carry out the current - mode signal processing circuit expediently, and have to increase the benefit bandwidth to accumulate more widely than the voltage - mode, but have their advantages more according to the current - mode filter of the modified current conveyor, because it constitutes in brief, the filter wave function is stronger and they are better than in general use operation amplifier of many advantages, be easy to composing for example 、 high speed 、 frequency bandwidth 、 the power supply voltage requests low 、 consume small, the impedance is different from etc. advantages, otherwise they have biggish dynamic range, and flexible circuit synthesize, so they are the best active parts

    從第二代電流傳輸器ccii入手，重點研究了以下幾種改進型的第二代電流傳輸器:改進的差動差分電流傳輸器mddccii 、全平衡第二代電流傳輸器fbccii 、多輸出四端浮地零器ftfn 、全平衡四端浮地零器fbftfn 、電流差分緩沖放大器cdba的電路結構及其模型。然後在此基礎上系統地研究了基於這幾種改進型的第二代電流傳輸器的濾波器的設計方法，主要方法和結果如下:利用mddccii設計了差分式連續時間電流模式低通、帶通濾波器;電流模式跳耦結構考爾低通濾波器;利用fbccii設計了帶通二階節濾波器及電流模式雙二階通用濾波器;設計了基於多輸出端ftfn的電流模式二階通用濾波器電路;通過數字化開關選擇的基於fbftfn的電流模式通用濾波器;設計了基於最少個數電流緩沖放大器（兩個cdba ）的多功能通用電流模式濾波器及其在非理想因素情況下分析。設計濾波器的主要方法是採用級聯設計、運算模擬（信號流圖法）和反饋設計（跳耦法） 。
  13. Compared with the existing rp methods using high energy density beams, the hpdm method solved the key problems of insufficient dimensional precision and surface quality caused by the step effect and no - supporting, and puts forward a new way to directly manufacture the difficult - to - machining materials parts with short - routine, low - cost and high quality

    該技術解決了現有高能束熔積成形技術因無支撐和臺階效應造成的尺寸精度和表面質量不高的瓶頸問題，是難加工材料零件短流程、低成本、高質量無模精確製造的新的有效加工方法。
  14. Based on the feature technology and object - oriented mechanism, we found the manufacture - oriented three levels ( namely part, feature and geometry ) model of mechanical part and the resource model ; secondly, we realize the concurrent design of mechanical part and process through decomposing cycle, and then we constitute the evaluation guidelines on the basis of evaluation strategy of levels, which carry out from two levels ( part and feature ) and four phases ( part rough evaluation, feature rough evaluation, feature detail evaluation and part general evaluation ) ; thirdly, we put forward some evaluation methods according the evaluation guidelines, which include the rule - based process evaluation method, rule - based and fuzzy evaluation - based method associated with resources, case - bas ed and feature - based cost estimation method ; at last, we give a manufacturing - oriented evaluation system of rotating mechanical part, which validate the evaluation guidelines and method of the dissertation useful and practical

    以特徵技術為基礎，面向對象的編程機制為手段，建立了面向製造的三層次（即零件層、特徵層、幾何層）零件模型；同時進行了面向製造的資源建模。第二，通過細化循環，採用分層遞階的評價策略，分兩層（零件層和特徵層）四個階段（零件初評價、特徵初評價、特徵詳細評價和零件總體評價）建立可製造性評價指標；第三，以評價指標為基礎，分別提出了基於規則的結構工藝性評價方法、基於規則和模糊綜合評判定性和定量相結合的加工可行性評價方法、以及基於實例和特徵的加工成本估算方法；最後，以solidworks為開發平臺， vb6為編程工具，初步構建了面向製造的回轉類零件可製造性評價系統，它們驗證了本文評價指標和評價方法的實用性和可行性。
  15. The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed

    主要工作在以下幾個方面： 1 、針對頻率選擇性衰落通道：結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法，與傳統方法相比，該方法計算量更小，收斂速度更快，性能更優，且對系統階次的過確定表現穩健，具有實際均衡應用價值； 2 、針對時間選擇性衰落通道：提出一種基於迫零均衡的時間選擇性通道均衡方法，演算法結構簡單； 3 、針對時變色散通道：利用瞬態均值曲線提取通道時變信息，對之ar建模，利用卡爾曼濾波器跟蹤時變通道抽頭變化，可以快速跟蹤通道變化；基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法，提出了新的單輸入多輸出色散時變通道均衡與識別演算法，同樣具有對通道階次過確定保持穩健的優點；結合小波多解析度分析提出一種基於小波模型的通道盲識別演算法；研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題，給出一種時變系統處理模型。
  16. Sa is a stochastic optimization technique and a zero - order algorithm requiring no derivative information and has been used extensively to solve continuous, ordered discrete and multi - modal optimization

    模擬退火法（ kirkpatrick等， 1983 ）是一種隨機的優化技術，它是零階演算法，不需要導數信息，廣泛地用於解決連續的、有序離散及多模態優化問題。
  17. It interprets image editing as a variational problem concerning the adaptive adjustments to the zero - and first - derivatives of the images which correspond to the color and gradient items

    模型將圖像編輯問題理解為同時考慮圖像的零階圖像的顏色和一階圖像的梯度變化的自適應調整問題。
  18. The findings of an in - house exploratory study on home - based office activities and a preliminary survey on the impacts of it indicate that at present, it advancement is not expected to replace conventional office by home - based office, and conventional business transactionsretailing by e - commerce

    我們已分別就家居辦公室活動的發展情況進行了內部研究，並就資訊科技的影響進行了初步調查。兩項研究的結果均顯示，現階段的資訊科技發展，並未能讓家居辦公室取代傳統的辦公室，而電子商貿模式亦未能取代傳統的商業交易零售模式。
  19. Form the experiment results, we can see that zeroth order moments method is not appropriate for this reconstruction and recognition system because it discards all the detail information of an image color and texture. however, considering on all pixel color, color histogram is suitable for this recognition system

    從模擬結果可以看出，由於零階矩沒有利用圖像的全部顏色細節和紋理信息，識別效果不是很好，而彩色直方圖比較的方法是針對于上述飛機模型庫進行識別的合適的方法。
  20. The order - reduced results are verified by comparing the zeros, poles and outputs curves before and after the order reduction and applying the linear quadratic optimal control law for low - order model to the high - order model

    通過零極點比較、輸出曲線比較和將針對低階模型設計的線性二次型最優控制律加入原高階模型等方法對降階結果進行了驗證。
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