組合變換 的英文怎麼說

中文拼音 [biànhuàn]
組合變換 英文
combined transformation
  • : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 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
  • 組合 : 1 (組織成為整體) make up; compose; constitute 2 (組織起來的整體) association; combination3 [...
  1. Method : by laser ablating a multiphase reaction system, various products are obtained by plasma reaction

    以脈沖激光濺射多相反應體系,固體靶和氣相、液相反應物的不同成,成得到不同產物。
  2. As we all known, with the founding of euclidean geometry in ancient greece, with the development of analytic geometry and other kinds of geometries, with f. kline " s erlanger program in 1872 and the new developments of geometry in 20th century such as topology and so on, man has developed their understand of geometry. on the other hand, euclid formed geometry as a deductive system by using axiomatic theory for the first time. the content and method of geometry have dramatically changed, but the geometry curriculum has not changed correspondingly until the first strike from kline and perry " s appealing

    縱觀幾何學發展的歷史,可以稱得上波瀾壯闊:一方面,從古希臘時代的歐氏綜幾何,到近代解析幾何等多種幾何的發展,以及用的方法處理幾何的埃爾朗根綱領,到20世紀拓撲學、高維空間理論等幾何學的新發展,這一切都在不斷豐富人們對幾何學的認識;另一方面,從歐幾里得第一次使用公理化方法把幾何學織成一個邏輯演繹體系,到羅巴切夫斯基非歐幾何的發現,以及希爾伯特形式公理體系的建立,極大地發展了公理化思想方法,不管是幾何學的內容還是方法都發生了質的飛躍。
  3. The experiment results indicated that conditional on transforming layer 1mm thick and absorbing layer 2mm thick, the combined materials which were processed by 600 and 800 respectively have good absorbing performance, and the influence of the combing sequence on absorbing performance is indistinctive

    實驗表明,當層為1mm ,吸收層為2mm時,以600處理的和800處理的材料進行不同都有較好的吸波性能。
  4. Based on the thorough investigation of the post - regulation and efficiency in multiple output switching - mode power supplies, an optimal combination topology for multiple output switching converter is presented in this thesis, which is consisted of forward converter with active clamp ( fac ), synchronous rectification ( sr ) techniques and magnetic amplifier technique ( magamp )

    本文通過研究分析近年來多路輸出開關電源輔助輸出電壓調節和提高效率的方案,面對開關電源朝著輸出低電壓大電流方向發展的趨勢,提出多路輸出開關電源新的拓撲優化模式? ?有源鉗位正激器、同步整流技術、磁放大器。
  5. 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作縱向傅立葉來濾除靜態或低速的雜波、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。
  6. A new type of compound flyback converter is two flyback converters with only one transformer core and secondary coil. it completes changing voltage, isolation, and power transfer

    式單端反激器其實質為共用一個壓器鐵芯和副邊的兩個單端反激器,由它完成對低頻電功率的壓、隔離、傳遞功率的任務。
  7. Specially, based on risk - metric and factor variables, the author discusses multi - factor asset pricing model. in theoretical analysis, the author attempts to release the assumption of index ' s random walk, proves a portfolio selection model suitable for the linear index level moreover, based on assets un - exchangeable, the author brings forward asset pricing models for b - shares, h - shares and non - circulated - shares. the author also brings forward multi - factor asset pricing model based on risk - metric indices, such as coefficient of beta, standard variance, standard semi - variance, average absolute deviation, value at risk, and factor variables, such as circulated market equity, exchange ratio, short - term historical return

    在理論分析時,作者嘗試放鬆指數水平滿足隨機遊走過程的假設,推導出指數水平呈線性趨勢的資產選擇模型;此外,作者基於資產不可交易這一假設,提出了b股、 h股和非流通股等情形的資產定價模型,並基於系數、標準差、標準半方差、平均絕對離差和風險價值等風險度量指標以及流通市值、手率、短期歷史收益率等因素量提出了四因素資產定價模型。
  8. In this paper, i consider the traveling wave solutions and peakons of the generalized camassa - holm ( gch ) equation and give the express of the solitons of this equation. the peakons and their figures of the gch equation are given with the mathematic software for m - 1, m = 2 and m = 3 in particular ; for m = 3, i get the generalized dissipative camassa - holm equations by adding a dissipative term and find two types exact traveling wave solutions of this equations. i also apply the homogeneous balance method into the gch equation so that i get a group of smooth solutions for m = 2 and m = 3 and the backlund transformation for m - 3 of the gch equation

    本文研究廣義camassa - holm ( gch )方程的行波孤立子解及尖峰孤立子解,給出gch方程的行波孤立子解的表達式,特別的,對m = 1 、 m = 2 、 m = 3時利用mathematica數學軟體進行計算,解出了gch方程的尖峰孤立子解,並給出了此時gch方程的尖峰孤立子解的圖形,使數值分析和理論相結;對m = 3時的gch方程增加一耗散項u _ ( xx )后得到廣義耗散camassa - holm方程,並解出此方程的兩類精確行波解;本文將齊次平衡法應用到gch方程中,解出m = 2 、 m = 3時的gch方程的一光滑解,同時應用此方法得到了m = 3時的gch方程的backlund
  9. After completing the mctf using db2 wavelet, it is well integrated with discrete wavelet transform ( dwt ) and embedded zero tree wavelet. it uses atom structure to organize the coded bit - stream to achieve the brilliant combination of three scalabilities : temporal, spatial and psnr scalabilities. and the software platform is based on vc + + 6. 0

    在基於db2小波的運動補償時域濾波方法實現之後,本文將之和離散小波( dwt ) 、嵌入式零樹編碼進行有機結,並採用基於基本原子粒的數據流織結構將分層后的數據流有效地織起來,實現了具有時間、空間、質量三方面的完整可伸縮性的編解碼系統,系統的軟體平臺基於vc + + 6 . 0實現。
  10. The zs3 series multiple directional control valves, one kind of combination valves with the manual directional control valves , are mainly used in hydraulic systems of engineering machinery, mining machinery, lifting transportation machinery and other machinery to change flow direction for integrated control over several actuator

    Zs3系列多路向閥是一種以手動向閥為主體的閥,它主要用於工程機械、礦山機械、起重運輸機械和其他機械液壓系統,用以改液流方向,實現多個執行機構的集中控制。
  11. Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter

    硬體電路的設計主要分三大部分來實現:激勵源電路部分,由分頻電路和頻率成電路成,產生頻率穩定的激勵信號以確保檢測任務的正常進行;傳感器電路部分,由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路成,主要將電渦流傳感器檢測線圈檢測到的信號成只含有被測信息的離散信號,易於后續電路處理;由dsp晶元構成的微處理系統,主要完成檢測系統的數據擬、顯示及與主機通信等功能。
  12. To reduce voltage stress of power switches, a series - parallel type cttfc is studied in this paper. voltage - sharing of input capacitors can be realized naturally in discontinuous conduction mode, andvoltage - sharing of input capacitors can also be realized naturally in continuous conduction mode. the voltage stress of power switches is only half of the input voltage, so power mosfet can be used in high input voltage applications

    揭示了串?並型雙管組合變換器電流斷續工作方式時輸入電容電壓自然均壓的機理;對于電流連續工作方式,也能實現輸入電容自然均壓。輸出續流管串聯方式的串?串型雙管正激組合變換器,其輸入電容自然均壓特性與串?並型雙管正激組合變換器一致。
  13. A novel parallel - serial type cttfc ( combined two - transistor forward converter ) with coupled inductor is present in this paper, and the performance of three parallel - serial type cttfcs is studied and compared. the performance of cttfc with coupled inductor is similar to the other two cttfcs while coupling coefficient is less than one and the converter working ccm ( continuous current mode ), and input - to - output voltage gain increase one times while coupling coefficient is one

    本文提出了一種耦電感並?串型雙管正激組合變換器,並對三種並?串型組合變換器的特性作了比較:耦系數小於1且耦線圈電流連續時,三種並?串型組合變換器特性相類似:耦系數為1時,組合變換器輸入輸出電壓增益增大一倍。
  14. Three parallel - parallel type cttfcs is studied and compared in this paper. the performance of the cttfc with coupled inductor is similar to that with sharing freewheeling diode while coupling coefficient is one, and similar to that with sharing output capcitor while coupling coefficient is less than one and the converter working ccm

    揭示了耦電感並?並型雙管正激組合變換器與其餘兩種並?並型組合變換器的關系:耦系數為1時,具有與共用續流管組合變換器相類似的特性;耦系數小於1且耦線圈電流連續時,具有與共用輸出濾波容組合變換器相一致的特性。
  15. Based on comparison between the parallel - parallel and parallel - serial combination ttfc, a novel two - transistor forward converter with parallel - serial / serial combination is proposed. this converter reduces greatly the current overshoot of the primary side switches and the voltage overshoot of the rectifying diodes. moreover, the size and weight of the converter can also be reduced by interleaving technique and increasing frequency

    本文在對並-串型和並-並型雙管正激組合變換器進行了詳細比較研究的基礎上,提出了一種新型並-串串型雙管正激組合變換器,該組合變換器可以大大減小原邊開關管的電流應力和副邊整流電路中二極體的電壓應力;通過交錯控制及提高開關頻率,大大提高了器的功率密度。
  16. To reduce voltage stress of power switch in the flyback - forward converter, a novel two - transister flyback - forward converter is present in this paper. by adjusting the turns ratio of forward and flyback transformer we can distribute the delivering power of forward and flyback transformer

    提出了一種雙管正?反激組合變換器,通過調整正、反激壓器的匝比關系,可以任意改正、反激壓器向負載傳輸功率的分配比率。
  17. We want to use novel switching algorithm that help us make the variable - length switching efficient. we do not need to cut the variable - length packet into fix cell as the traditional switching algorithm. in this paper, we suggest to use pps for the variable - length packet switching

    另外一方面人們對支持長數據包的交演算法有很大的興趣,傳統的切割長數據包成為定長信源,在重新長數據包的交演算法降低了長交的效率。
  18. Eventually, study on active - clamp zvs pwm forward - flyback converter with current double synchronous rectifier is presented which is fashionable in the application field of medium and low power supply

    論文最後,對目前中小功率應用領域比較流行的有源箝位倍流同步整流zvspwm正反激組合變換器進行了深入的理論及模擬研究,給出了研究結論。
  19. To reduce voltage stress of transformer secondly diodes, a novel parallel - parallel / serial type cttfc is presnt. it has many attractive characteristics, such as low current stress of power switches, small intput and output filter size, high reliability, and sharing output voltage

    提出了一種並?並串型雙管正激組合變換器,該組合變換器具有副邊二極體電壓應力低、開關管電流應力小、輸出均壓、輸入輸出濾波器體積小等優點。
  20. The operation principle and parameter design of power circuits, lcd camping circuits and control circuits are proposed and a 6kw prototype is successfully developed. a novel dc / dc transformer is proposed in this thesis

    本文詳細論述了6kw新型組合變換器主電路、 lcd箝位電路和控制電路的工作原理和參數設計,並給出了實驗結果。
分享友人