波形再現 的英文怎麼說

中文拼音 [xíngzàixiàn]
波形再現 英文
wave reproduction
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 副詞1 (又一次) another time; again; once more 2 (表示更加) still; further 3 (表示如果繼續怎...
  • : Ⅰ名詞1 (現在; 此刻) present; now; current; existing 2 (現款) cash; ready money Ⅱ副詞(臨時; ...
  • 波形 : [物理學] wave form; shape; wave pattern; wave profile
  1. Waveform reproduction control for double - actuator electro - hydr aulic vibration test bed based on digital signal processor

    的雙缸電液振動臺波形再現控制
  2. Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal

    我的思路是:改造有圖結構,先建立能反映信噪比大小且含待定參數k的表達式,然後通過離散型h0pfi舊單層反饋神經網路,結合前邊的混合濾器構成一個非線性控制系統,寫出對應的網路函數,利用相平面法和李雅普諾大穩定性的判據,得到一個穩定的極限環,從而確定出參數卜的范圍,進而對原來的小軟閾值進行修正,用修正後的值作為小閾值。
  3. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖化編程語言完成了測試系統軟體部分的設計,實了測試功能。
  4. China has a vast population and a broad market, thus liquor consumption owns a considerably potential market in china. however, due to the intence yet disorder competition of the present market, the marketing of the liquor industry in china has fallen into an rather awkward dilemma. the hidden trouble, the lurking danger, cause the businessmen in this line unable to extricate themselves from a low - leveled ricious competitive cycle. such severe challenge also confronts yuechitequ company. therefore, the most urgent problems waiting for resdring lie in how to take advantage of the present resoures effectively, how to distinguish the market situation, and how to institute a scientific product - popularizing programme in order to keep the enterprise standing undefeated in the intense competition, and develop the enterprise rapidly, favorably. this thesis makes a thoughtful analysis about the external conditions of market and internal ones resources in the yuechitequ by means of inrestication through questionaire and scientific data processing. in the second part, with the application of stp system theory of marketing and new - product - pricing theory, it designs and further expounds the popularization of the new products of this company, then forms a excutable performance and makes a constant rerision via market practice. in this way can it explor a suitable road to popularize the products in the liquor market, help the enterprise to free from the difficulties and progress healthely, consitently

    本文通過在岳池特曲公司有產品市場進行問卷調查,運用科學的數據處理方法對所回收的658份問卷統計分析,以及利用美國哈佛大學商學院著名教授邁克爾?特( michaelporter )提出的五種力量模型和價值鏈與vrio分析理論,對白酒市場的公開數據細致分析,以明確四川省岳池特曲酒業有限公司實施新產品市場推廣所面臨的市場條件和內部資源條件,在此基礎上,本文運用市場營銷學中stp系統理論、新產品定價理論等,對岳池特曲公司推出的白酒新產品進行市場細分、確定目標市場和市場定位,並根據市場營銷4p理論制定新產品的產品策略、價格策略、渠道策略、市場促銷推廣策略,成最終整體完善的可執行方案,通過市場實踐對推廣方案進行檢驗、修正,力圖在酒類市場中探索一條新產品市場推廣的適用道路,並幫助企業擺脫困境、邁開步伐、持續健康的發展。
  5. And by far, most theories of wavelet analysis are established in, but this method is rare to be known and exists defects in the reproducing kernel space with good properties. then in the reproducing kernel space, isometric isomorphism of relation is founded between and by differential operator. and starting from the haar basis, multi - resolution analysis inis gived by folding method ; then multi - resolution analysis and orthonormal wavelet in are obtained through integral transform from to. then the reproducing kernel space can be expressed by wavelet spaces

    於是,在生核空間中,利用積分運算元建立了空間與hilbert空間的等距同構關系;並且從haar小出發,由折疊法實的空間中多尺度分析通過積分變換得到中多尺度分析和正交小,使得生核空間可以由小空間來刻劃;從而對空間中的函數,給出了小逼近具體表達式和相應的采樣公式,式簡單易於數值分析。
  6. I am sure we can make a formal product which is in accord with the request of oceanic measurement

    在樣機的基礎上進行適當的改進就有希望成可以符合海浪高觀測要求的成型的場儀器。
  7. The contrasting colors of purple in the background, bright yellow in a heart, and red and dark brown in the border around the heart add an uplifting sensation to the painting like white clouds in the middle of the sky, going against earth s gravity to enter into the boundless cosmos. the viewer feels as if he is being upheld by an invisible power to be free from the influence of naked eye observation so as to hear the subtle vibrations resonating from the flickering colors found in each brush stroke of the enlightened artist. he is able to enjoy wonderful mysteries and feel fine tuned frequencies, which are indescribable in worldly language and not arguable by the earthly mind

    那些對比色:紫色的底金黃色的中心紅色棕色的邊,讓整幅畫清爽流利,像天空中的一片雲突破地球引力奔向浩瀚宇宙,觀賞的人好像得到無力量的貫注,不局限在凡夫的眼界,而能在那些水遇無痕的筆法布局中,用心傾聽出顏色的微細振動,從行雲流水的線條中,隱出開悟神奇奧秘的享受,感受到那微細的高頻率段不可說的天籟。
  8. The application of time waveform replication technology in automobile component fatigue life prediction

    時域波形再現技術在汽車零部件疲勞壽命預測中的應用
  9. The circuits of the are designed. this system can provide good quality data for the follow work. 2. the method of marginal checking using wavelet neural network is used to process the seismic data for increasing distinguishability to recognition the thin interbedded oil reservoir. small structure of oil reservoir and thin interbedded are find

    提出將小神經網路邊緣檢測演算法應用到地震剖面圖像的特殊處理上,提高對油藏的解析度,從而尋找地下小的含油構造和薄的儲油層,使計算機能更準確地地下油藏的構造態,提高勘探的精確度。
  10. Using esvrst made in china, the road roughness is reappeared with high precision. and the multi - output acceleration expectant stochastic waveforms of independent suspension and bumper are acquired with unchangeable precision

    並以獨立懸架和保險杠上的響應為對象,以穩定的精度了多點輸出的加速度隨機
  11. To reappear stochastic waveform on esvrst in time field, the minimum variance implicit self - tuning regulators of siso and mimo systems are deduced based on carma models in this paper. the robustness of the regulator being used to control esvrst is validated good

    本文推導了在時域內對電液伺服道路模擬試驗臺進行隨機波形再現控制時,基於carma模型的,單輸入單輸出系統和多輸入多輸出系統的,隱式最小方差自校正調節器。
  12. To identify the model parameters of controlled esvrst system on line, the recursive extended least square with variety forgetting factor is used, which makes the control system possess anti - disturb ability obviously and unchangeable precision of stochastic waveform reappearance

    本文提出了用變遺忘因子的增廣最小二乘遞推演算法在線識別電液伺服汽車道路模擬試驗臺被控系統的模型參數,使控制系統在實波形再現時具有顯著的抗干擾能力和穩定的波形再現精度。
  13. This paper puts forward several views as the follows. for the siso test task, the esvrst ( electro - hydraulic servo vehicle road simulation test - bed ) system may be describe ^ by siso carma. for the multi - output test task, such as to reappear multi - channel waveform of acceleration, the inputs and outputs is coupled, the esvrst system must be describe ^ by mimo carma

    針對上述問題本文提出了對于電液伺服汽車道路模擬試驗臺單輸入單輸出系統的試驗可以用單輸入單輸出carma模型描述;對于電液伺服汽車道路模擬試驗系統多點輸出的加速度隨機波形再現試驗以及其它多輸入多輸出問題,因為存在輸入輸出量之間耦合關系,所以必須用多輸入多輸出carma模型描述。
  14. First we collect signals by shake and infrared temperature sensor, transfer them to computer by a / d instrument, dispel zero excursion of sensor and in - linearity of a / d transformation, save them in the form of data file. then transfer them to matlab, analyze and dispose by wavelet function and toolbox. by lot of experiments and data analysis we find distinct change of the character in different fault states

    然後,我們在場對砂光機進行實驗,利用振動及紅外線溫度傳感器場實時採集信號,通過a / d采樣卡送入計算機中,採用逆向建模的新方法來消除傳感器零漂及a / d轉換的非線性,以數據文件式保存,然後在matlab中調用數據文件,應用小函數及工具箱對其進行處理分析,經過大量的實驗及數據分析發在不同的故障狀態下,特徵量有明顯變化。
  15. According to development of inland and abroad, a new measurement method has been put forward that make use of the periodic characteristic of the phase difference between two arbitrary frequency signals. in the light of lissajous graph, we complete comparison of radio frequency and microwave with 105 rates relationship in technique. on the ground of common characteristic of frequency signals, this method can be developed to comparison of microwave frequency and optical frequency to accomplish optical frequency measurement

    根據國內外的情況,提出一種新的測量方法:即利用任意頻率信號之間都存在著相互相位差周期性變化的象,根據李沙育圖的原理,在技術上完成了射頻到微信號之間成10 ~ 5頻率關系的比對,根據頻率信號的共性,將此方法推廣到微到光頻信號之間的比對,以完成對光頻的測量。
  16. In term of this theory, we decompose some simulate signal and pipeline mfl signal by wavelet package transform. then select the best wavelet package base out of the decomposed coefficient and figure the brickwork of the best base on the relevant position in time - frequency plane showing the strong or weak of every coefficient. as a result, the time - frequency structure of signal analyzed is relatively visually represented ; that is to say, an anticipative result achieves

    按照這一理論,我們對一些模擬信號和管道漏磁信號作了小包分解,然後從中選出最優小包基,把被選中的小包基的相應砌塊表示在時?頻相平面上的相應位置上,並用灰度級別表示這個分量權重的強弱,結果較象地把被分析信號的時?頻結構表出來,達到了預期的目的。
  17. The traditional urban form in historic ningbo has undergone many radical transformations over the past two decades. the relatively homogeneous traditional fabric of the city has been damaged and remodeled following modernized urban models. this paper aims at synthesizing urban renewal and conservation through examining the revitalization of a particular traditional urban area. the case of the west yuehu area of ningbo is selected to show the planning approaches and proposals, constraints and contradictions regarding revitalization under this social transition. the methodology used in the research is divided into two parts : literature review and field study. the theoretical part of the research regarding urban conservation in china is based on literature review. the field study is conducted by the authors and groups of students from southeast university. the complete methodology attempts to illustrate the dimensions of urban renewal by examining the processes, conflicts and results of revitalization of historic urban areas, considering the present changing socio - economic context

    在過去20年中,寧傳統歷史街區經歷了快速轉型.新的城市態取代了傳統城市態,傳統城市格局遭到了破壞.本文通過對一些特殊歷史街區的分析研究來闡明城市中的保護與更新.以寧月湖西部地區為例,提出了規劃設計的方法,闡述了其中的一些限制性因素及矛盾與沖突,並以此為例來闡述在此大背景下城市活力的重要性.文中運用了2種學習方法:一是通過對資料的學習來獲取理論來源,二是通過場調研獲取第一手資料.試圖通過對傳統歷史街區在更新過程中的沖突與結果的分析來闡明傳統歷史街區更新和活力的情況
  18. In the fec part, rs ( reed - solomon ) code and interleave are chosen as the basic elements of the error correction system at first ; then the coding parameter and data structure are determined based on the results of matlab simulation ; at last, hdl modules are implemented in fpga using verilog hdl, test results and simulation diagrams are presented as well. in the designing process, the proper division of the modules and the cooperation between modules need a lot of consideration, and the top - down method is adopted to solve these questions

    在前向糾錯的設計部分,文章首先根據系統的誤比特率要求選擇了rs ( reed - solomon )碼和交織器作為前向糾錯部分的基本構架,根據matlab的模擬結果得到了具體的編解碼參數和碼字結構,最後在fpga中用硬體描述語言veriloghdl實了各個編解碼模塊,並給出了測試數據、實結果及時序模擬圖。
  19. The outstanding characteristics of this control on esvrst are good anti - disturb ability, easy to use and unchangeable reappearance precision

    本控制方法的最大特點是抗干擾能力強,使用方便簡單,能自始至終精度不變地期望
  20. The wave recurrence and control effect for pid controller and fuzzy controller is simulated and compared using matlab / simulink tools

    利用matlab simulink模擬工具對控制系統的波形再現控制、 pid控制器和模糊控制器的控制效果進行了模擬實驗,並做了比較。
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