滯后波 的英文怎麼說

中文拼音 [zhìhòu]
滯后波 英文
delayed wave
  • : Ⅰ動詞(使停滯; 使不流通) stagnate; block up Ⅱ形容詞(停滯; 不流通) sluggish; slow-moving; stagnant
  • : 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...
  1. On this basis, sectionalized linearization of bilinear hysteretic structural characteristics and bilinear hysteretic filtering of structural system are put forward

    在此基礎上,又提出了雙線形體系的隨機分段線性化法和雙線形體系的隨機分段線性濾器。
  2. The lcf behavior of a recrystallized zircaloy - 4 plate at room temperature and 400 show that alloy has better lcf property at rt than at 400, and cyclic hardening at 400 which could be attributed to the dynamic strain aging effects. it is noticeable that the hydrided plate has the same cyclic behavior as the above unhydrided sample at room temperature

    在400下,合金錶現出與常溫下不同的循環特性,其循環穩定回線出現鋸齒狀形,且在整個疲勞過摘要程中呈現出一致循環硬化的現象,這主要是因為合金在400下發生動態應變時效效應的結果。
  3. The writer studies the developed steps of real estate industry in the above - mentioned period and describes its generation mechanism, characteristics and cause of business cycle fluctuation of real estate industry in the period of our economy system shift. it is necessary to point out that policy cycle fluctuation should be a fundamental cause on business cycle fluctuation of real estate industry in china. writer here jumps at the conclusion that the recovery phase and depression phase of business cycle in our real estate industry should be later than the expansion phase and decline phase

    該部分內容由第3章構成,即從房地產經濟周期動的一般研究轉到對我國房地產經濟周期動進行分析,從總體上看,改革開放以來我國房地產業的真正形成與發展只有20年的歷史,通過對這一短時期中國房地產業發展的探討,指明轉軌時期中國房地產經濟周期動的一些主要特點,同時指出我國房地產經濟周期動形成機制與原因,當前我國經濟轉軌時期,政策周期動是房地產經濟周期動的根本原因,並從理論角度分析了房地產經濟周期動與宏觀經濟周期動在各個階段間的相互關系,得出我國房地產經濟周期相對于宏觀經濟周期動來說在復甦期和蕭條期,但高漲期和衰退期卻先行的結論。
  4. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發,提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲,在調制系數0 . 1 m 0 . 5情況下,控制移相角按正弦規律變化,使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號,經過整流、濾、低頻逆變,從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載,移相全橋具有超前橋臂零電壓開通,橋臂或者零電壓開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  5. The application of the b - spline wavelet analysis method to series of climate and external forcing factors is introduced. using lag - correlation analysis method, interpretative variances analysis method, phrase comparing method to the wavelet analysis result, we not only gained the variation at different scales of the global temperature and el nino signals, the location of the jump points and latent scale of these series, but also indicated the magnitude, extent of the effect of external forcing factors on them

    利用小分析方法,輔之以相關分析解釋方差分析及位相對應比較方法,得到了氣溫變化及enso活動在各尺度層次上的變化,突變點位置及特徵尺度,並確定了太陽活動火山活動和溫室效應等外強迫因子對氣溫及enso的影響尺度幅度及響應時間。
  6. Abstract : it provides a kind of new nonlinear integrator and its mathematical model. its frequency responses is disscussed by the harmonics linearization method. its phase lag is found to be only 27. 6, all high order harmonics are very small, and it is very resistant to disturbances. by using it, an two - objective optimum control system is designed. it has very good control performances and will have good prospects in application

    文摘:提出一種新型的非線性積分器,給出它的數學模型,並用諧線性化原理討論它的頻率特性,其幅頻特性起積分作用,而相位僅27 . 6 ,高次諧分量小,抗干擾能力強.應用這種積分器設計了一個雙目標優化的二次優化系統.模擬結果表明,系統的控制性能好,具有廣泛的應用前景
  7. The study shows that the output pulse value of resistance absorption equipment is related to the chopper switch conduction ration and the selection of lagging angle

    研究表明,地面電阻吸收裝置的輸出電流脈動與斬器的導通比、各支路斬器的開關角有關。
  8. Zero - voltage turn - on and zero - voltage turn - off in lagging arm and leading arm of soft - switching topology, working waveform of power transformer and process of rectifier and transition are presented in detail. the influence of resonant inductance of the power transformer, resonant capacitor and variation of load to the process of soft - switching are given

    主要對軟開關橋臂和超前橋臂的零電壓開通、關斷過程,功率變壓器的工作形及整流換流過程進行了詳細的模擬分析,並重點討論了逆變器的諧振電感、諧振電容以及負載變化對軟開關過程的影響。
  9. The time required for the shock to travel to its final position is known as the lag time.

    移動到最後位置所需的時間稱為時間。
  10. A novel cycloconverter - rype three - phase hf link inverter topology for soft - switching based on phase - shifted full - bridge mode is proposed, whose main advantages are as follows : under the conditions of d < i < and overlap - d, the switches of the leading leg are turned on at zvs and the switches of the lagging leg are turned off at zcs and all switches of the cycloconverter circuit are commutated in the overlapping mode in the interval of zero voltage, which makes the circuit realize soft switching to the utmost extent and reliably solve the problem of peak voltage caused by the storing energy of leakage inductance of hf transformer

    論文提出一種新型移相全橋軟開關周變流型三相高頻鏈逆變器,電路的主要優點是:前級移相全橋的移相角控制在_ d _ i和_ ( overlap ) - _ d條件下,超前橋臂零電壓開通,橋臂零電流關斷,並使周變流器所有開關在零電壓期間重疊換相,使整機開關最大程度地實現了軟開關,並可靠解決了高頻變壓器漏感儲能引起的電壓尖峰問題。
  11. But the undeveloped culture management leaded to the chaos in the culture production and culture market, which was one of the main factors of the political disturbance of 1989

    但由於文化管理,導致了文藝創作、新聞出版及文化市場的混亂,成為導致1989年政治風的重要因素之一。
  12. The sixth chapter " essay on the estimation of stock price model " briefly introduced evolution of chinese stock market, showed the abrupt change and discontinuity of chinese stock market return, estimated the three models on the shanghai security exchange comprehensive index, compared the result made by the three models ? the result showed that the figarch model is better in modelling the autocorrelation, heteroskedasticity and nonlinear characteristics of stock price than the others

    建立了上證指數的arfima , garchzjifigarchta刑種杖刑,並對模二解冰股票價格動的囪相關性,異方差性和非線性市場的效果以及對價格的問歸和預測效果作了比較,得出結論n a ch模型在解決這些問題上效果最好,二種模刑在價格問歸和預測值上都存在一階問題。
  13. Afterwards, in order to decrease the contradiction between the more complex and mass remote sensing image data and relatively slow speed of information extraction, an improved sfim image fusion method is proposed. this modified algorithm is on the base of sfim fusion technique, combines ihs method and sfim method and then replaces the former mean filter by an adaptive weighted mean filter. compared with the results of several common fusion techniques through a set of simulation tests between multispectral images and panchromatic images, it is proved that the new method can get an excellent result for the aim of improving spatial resolution while preserving the spectral information of multispectral images

    論文的主要工作和成果包括:在像素層,論文研究了多傳感器數據融合理論及遙感圖像預處理的過程和步驟,歸納了多源遙感圖像像素層融合的常用演算法,並針對目前遙感數據呈海量化、復雜化這一發展趨勢同遙感信息提取的能力和效率這一矛盾,在sfim演算法的基礎上,將ihs變換與sfim相結合,將原演算法中的均值濾器改進為自適應加權均值濾器,提出了一種改進的sfim演算法,通過對一組多光譜圖像和全色圖像的雙傳感器融合模擬對比試驗,證明了該演算法在保持原多光譜圖像光譜信息的同時,能夠有效提高融合圖像的空間分辨能力。
  14. In fact, the difference is the how to expert the function of money. to get the truth and integrate the different ideas, by studying the statistics from 1953 to 2001, there have a conclusion that the length and the trend of period are similar. during the 48 years, by the standard of 10 %, there are six periods to money supply and economic growth and the periods are correspondence, especially the period of money lag the period of economic growth one year

    為了澄清這方面的問題,本文對1953年至2001年中國貨幣供應動周期和經濟增長動周期的周期、長、動趨勢和幅進行了對比研究,發現在整個48年間,按幅超過10的標準計量,經濟增長和貨幣動都可分為六個周期,並在周期、動趨勢和幅上呈現出一定的對應性,且貨幣動周期呈現出經濟周期的特性。
  15. Therefore, basic methodologies for stochastic seismic and filtering responses of nonlinear structure are studied, the approximate solution methodologies and their practical applications are investigated in the dissertation employing equivalent linearization and moment equations method based on fpk equations and ito stochastic differential equations

    因此,本文基於fpk方程和伊藤隨機微分方程,研究了結構物的隨機地震反應和隨機濾問題的基本方法,並利用等效線性化法和矩方程法,研究了非線性結構隨機地震反應分析和隨機濾分析的近似解法及它們的工程應用。
  16. Economic periodic fluctuation monitor and early warning index system is built. the standard of classifying the beforehand index, consistent index and delay index is explained. in addition, the method of calculating the diffusion index, the function of the diffusion index and the relation between the diffusion index and gross fluctuation are presented

    本論文的第二章介紹了作為時差關系參照系的基準循環的確定方法,構造了經濟周期動的監測預警指標體系,闡明了先行、同步、指標的劃分標準和擴散指數的編制方法、擴散指數的作用以及擴散指數與總量動的關系;討論了合成指數的編制方法。
  17. The filter is required to filter some noises and keep against lag of system phase

    系統要求濾器既能濾除各種噪聲,又不產生相位
  18. A kind of nonlinear differential filter for the phase compensating, and the other filter basing on the phase and amplitude compensating are introduced in the paper. the filter designed is simulated by matlab and debugged in scm

    為此研究了非線性微分校正,能產生相位超前,用於補償濾器的相位且不增加高頻增益,又提出基於相位與幅值補償的濾器的設計。
  19. The phaseshifts from deformation of reflector are discussed. deformation of one reflector is measured. however, by using the lag of thermal deformation, the aberrations of wavefront are detected in actual optical train, which are compared with the results of calculation

    討論了傳輸過程中反射鏡的熱變形產生的附加相移,實驗測量了單個反射鏡的鏡面變形,利用熱變形性,測量了實際光路引起的探測光陣面畸變,並與計算結果進行比較。
  20. Analyzing and modeling of the compensation error of measurement delay in active power filters

    有源電力濾器檢測補償誤差的分析與建模
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