靜態變換 的英文怎麼說

中文拼音 [jìngtàibiànhuàn]
靜態變換 英文
static conversion
  • : Ⅰ形容詞1. (安定不動; 平靜) still; calm; motionless 2. (沒有聲響; 清靜) silent; quiet Ⅱ名詞(姓氏) a surname
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  • 靜態 : [物理學] static state; quiescent condition; steady state; statics; dead level; akinesis; akynesis...
  1. The specific research methods are listed : 1. matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal. then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves, many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking

    具體研究方法如下: 1 、採用以輸出信噪比最大為準則的最佳匹配濾波器來對分段的參考和目標信號作相關處理來檢測低信噪比目標信號,然後對一維分段相關輸出組作縱向傅立葉來濾除或低速的雜波、多徑回波等干擾信號,並提取目標的時差和多普勒頻率,再結合由天線獲得的目標方向等參數,就可以實現目標的定位和跟蹤。
  2. Circuit simulation demonstrated that the dynamic and static performances of buck converter controlling by sliding mode are better than that of pwm converter

    電路模擬表明,滑動模控制的buck器的許多動性能和性能都優于pwm控制的buck器。
  3. Different equations to corresponding components are presented by analysing and transformating the general equations of fluid routes, then static characteristics mathematical model of liquid propellant space propulsion system is presented. based on the data of static characteristics calculation, mass model of thruster, propellant, propellant tank, gas, gas bottle, pipe and valve is presented using both the method of statistical regression and the method of stress analysis, then corresponding mass model is presented. based on the characteristics of liquid propellant space propulsion systems, analyse the five phases ( concept and definition, design and improvement, manufactureing and arrangement, operation and ma intenance, disposal ) in which life cycle cost of liquid propellant space propulsion systems is cost separately, then discompsed structure of life cycle cost and model of life cycle cost are presented

    將組件分成氣路組件和液路組件,再對氣路組件和液路組件進行相應的分類,然後通過對通用流路方程進行分析和對不同類型的組件分別建立不同的方程,從而建立了一個適用於液體推進劑空間推進系統的數學模型;根據計算所得到的數據,應用統計回歸法和應力分析法分別建立推力室、推進劑、推進劑貯箱、氣體、氣瓶以及導管和活門等的質量模型,從而建立相應的質量模型;結合液體推進劑空間推進系統特點,對液體推進劑空間推進系統全壽命周期費用發生的五個階段(概念和定義、設計和改進、製造和安裝、運行和維修、處理)分別進行分析,建立了液體推進劑空間推進系統全壽命周期費用分解結構和全壽命周期費用模型。
  4. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動特性、特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了參數、結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉元件,採用五相反應式步進電機,根據其驅動特性設計了頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。
  5. Finally, we convert this optimal problem to a nonlinear parameter optimization problem by collocation method. these studies examine the collocation method in case of equally or non - equally spaced division points, and in case of different numbers of nodes

    本文採用直接搜索法和節點配置,將連續動最優控制問題轉離散的數值優化問題,並對狀和控制量的約束進行轉化。
  6. The hardware circuit design include : industrial control computer configuration, selection of industrial control board type, design of the power supply and monitoring interface circuit, design of signal processing interface circuit ( the constant current source circuit, the time base signal processing circuit, the processing circuit for the signal to be measured ), design of panel control circuit, design of the system self - checking circuit, and etc. the program flow hart include : main program flow chart, system boot - strap self - checking program flow chart, manual static testing program flow chart, semiautomatic static testing program flow chart, automatic static testing program flow chart, dynamic testing program flow chart, transient testing program flow chart, source voltage and current monitor program flow chart, investigate function testing program flow chart, and etc. the measure system offers six working power supplies, the signal of time base, the signal of constant current source, sine wave signal and step to leap signal, and measures the frequency of the output pulse signal of the wide range pulse convert circuit accurately under three kinds of different test state ( static form, dynamic form and transient form )

    硬體電路設計包括:工控機配置、工控板卡選型、產品電源及監控介面電路設計、信號處理介面電路(恆流源電路、時基信號處理電路、被測信號處理電路)設計、面板控制電路設計、系統自檢電路設計等。程序流程圖包括:主程序流程圖、系統開機自檢程序流程圖、手動測試程序流程圖、半自動測試程序流程圖、自動測試程序流程圖、動測試程序流程圖、暫測試程序流程圖、電源電壓和電流監控程序流程圖、研究功能測試程序流程圖等。測試系統提供六路工作電源、時基信號、恆流源信號、正弦波信號和階躍信號,並對三種不同測試狀、動、暫)下大量程脈沖電路輸出脈沖信號的頻率進行精確測量。
  7. The deh system can easily changes the static curve, and makes the transfer from difference to non - difference control. that the pid controller coefficient of deh system can easily adjust according to the experiment make dynamic characteristic better, and can make a brief overopen for good first frequency modulation ability

    Deh系統的調節性能與傳統的調速系統相比有了極大的改善。 deh系統可方便地改調節特性曲線,並實現無差和有差調節的轉
  8. 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:採用傳統的傅立葉把原始信號從時間域到頻率域,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相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huffman編碼對數據進行壓縮;採用離散小波把原始信號從時間域到頻率域,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、小波的階數、小波后的低頻、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、位置構成一個數組,以字元形式保存,採用動huffman編碼對這個文件進行壓縮。
  9. The test results demonstrate that this prototype has excellent comprehensive performances such as small bulk, lower weight, high efficiency, high steady precision, fast dynamic response, wide range input voltage, good output waveforms, strong over - load and short - circuit ability, and strong function with different nature load and three - phase unbalanced load

    試驗結果表明,該流器具有體積重量小、效率高、精度高、動響應快、輸入電壓化范圍寬、輸出波形質量高、過載與短路能力強、帶不同性質負載和帶三相不平衡負載的能力強等優良的綜合性能。
  10. This paper presents a novel single phase aeronautical static inverter. a novel combining two - transistor forward converter is presented and applied in the front of three - level hysteresis current controlled inverter, and a single - phase 6kva aeronautical static inverter is developed

    本文介紹了一種新型的單相航空流器,電路通過一新穎雙管正激組合式器作為三滯環控制電流型逆器的直流輸入前級,成功研製出6kva單相航空流器。
  11. Here, the aircraft is in extreme flight conditions that is high angles of attack and high angular rates. it can encounter severe nonlinear effects. detailed descriptions of the flight dynamic, aerodynamic models, inverse dynamic and the choice of the control variable are given

    2 、應用經典的微分幾何方法研究了一般的飛行狀下飛機飛行的控制律,指出不利用矢量推力的飛行系統的控制方程一般都是可以逐步通過動反饋,適當的坐標和正則反饋等三個步驟得以線性化。
  12. In order to obtain three - phase four - line ac output, system applied the four - legged main circuit topology. with the 3d - svm, the power system realizes voltage regulation and three - phase four - line output. meanwhile, this kind of control is easy to be realized in the digital inverter

    為實現三相四線的交流輸出,器電路採取四橋臂新型拓撲,其控制採取了三維空間矢量調制,實現了器的在線調壓及輸出中點的形成,具有良好的動性能,且這種控制思想可以方便地在現有數字器平臺上實現。
  13. In this paper, we introduced two watermarking channel models and analyzed discrete cosine transform domain ( dct domain ) watermarking channel model for copyright protection of still digital images

    在本文中,我們介紹了兩種水印通道模型,同時分析了一種用於圖象版權保護的oct域的數字水印通道模型。
  14. After vector transformation control is presented, the ac machines control technology can theoretically solve the problem on the static and dynamic performance relative to the dc technology

    繼1971年矢量控制技術出現之後,交流傳動技術就從理論上解決了交流調速系統在、動性能上與直流傳動相比所存在的問題。
  15. It adopted a bp neural network with a lag factor to identify the counter static model of process and decided parameters of feed - forward control through a model image, adopted a feedback controller that can adjust fuzzy logic according to the changes of object ' s parameters to improve dynamic control effect and adopted a control strategy simulating human intelligence to harmony works of system by switching among each control combination

    它採用加滯后因子的bp神經網路辨識對象的逆模型,並通過模型映射直接決定前饋控制的參數;用可隨對象參數化調整模糊邏輯的閉環控制器配合前饋控制器以改善動控制效果;用仿人智能控制策略協調系統的操作,在各種組合控制方式之間進行切
  16. Adopted the object oriented analyzing method to construct the object model which showed the system ' s data structure, the dynamic model which described the well - formed change alignment of objects and the process of the shift of states and the function model which described the function of the data process with the data flow diagram based on the dicom data format, encircling the dicom file format, file services, media storage service classes and the basic directory object definition

    採用面向對象的分析方法,立足dicom數據格式,圍繞dicom數據元素、 dicom文件格式、 dicom文件服務、介質存儲服務類和基本目錄對象定義,構建了dicom介質存儲系統的對象模型,表明了目標系統的數據結構;構建了描述對象模型中對象合法化序列的動模型,反映了系統實現的狀過程;針對對象模型中對象之間的依賴關系和數據處理功能構建了功能模型,並用數據流圖展示了系統功能。
  17. Main content of " hef ( high efficient firewall ) firewall realize mode study " have : ( 1 ) emulation experiment and ipv6 / tunnelbroker model set up through transproxy, explain transproxy method, improved structure of rfc3053 emphatically, act for technology about solution of efficiency, make their suitable for different need of isp of scale ; ( 2 ) on the basis of analysing ipsec agreement security question, to isakmpsa varying load attacks and improves in consulting, carry on form analyses, proved, design vpn high - efficient safe model based on ip / ipsec concept finally ; ( 3 ) on the basis of ids dynamic characteristic of system, for remedy firewall static deficiency of defence, design one method that the two combine, offer a good foundation for high - efficient online security system ; ( 4 ) through theory design and emulation experiment, the above - mentioned three part can make and imbed fire wall of the system for module, offer certain theoretical foundation to domestic fire wall design of product

    《 hef ( highefficientfirewall )防火墻實現模式研究》的主要內容有: ( 1 )通過transproxy模擬實驗及ipv6 / tunnelbroker模型建立,著重闡述transproxy方法、改進的rfc3053的結構,以及代理技術中有關效率的解決方案,使之適用於不同規模的isp的需要; ( 2 )在分析ipsec協議安全性問題基礎上,針對isakmpsa協商中的載荷攻擊做出改進,並進行形式化分析、論證,最終設計出基於ip / ipsec概念的vpn高效安全模型: ( 3 )基於ids系統的動特性,為彌補防火墻防禦的不足,設計出兩者聯動的方法,探索了高效網路安全體系模式研究的新方向; ( 4 ) hef防火墻實現模式的理論研究及模擬實驗,所得三部分研究結論均可設計出module ,內嵌入防火墻系統中,為國內防火墻產品的設計提供了一定的理論基礎。
  18. Although this technique may be adequate for simple search and replace tasks in static text, it lacks flexibility and makes searching dynamic text at least difficult if not impossible

    雖然這種技術對于對文本執行簡單搜索和替任務可能已經足夠了,但它缺乏靈活性,若採用這種方法搜索動文本,即使不是不可能,至少也會得很困難。
  19. The purpose of our research is to study the data compression coding method of still image. in this paper, an improved zero - tree coding method based on wavelet transform is proposed. with the related experience, it was proved effective

    本文就圖像數據壓縮編碼方法進行了研究,提出了一種改進的基於小波的零樹編碼方法,通過實驗證明了此方法的有效性。
  20. Ln sending port, video capture card of wlnnov company, videum vo is used to get real time still ilnages and save them to hard disk as bmp forl11at files. thel1, dsp is used to finish wavelet transformation and changed zero tree coding

    發送端通過winnov公司的pci採集卡videumvo實時採集圖像,以真彩色bmp文件格式保存到硬盤上,再由dsp進行小波,用零樹法壓縮編碼,並將壓縮后的數字化信號進行傳輸。
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