analysis in time-domain 中文意思是什麼

analysis in time-domain 解釋
時域分析
  • analysis : n. (pl. -ses )1. 分解,分析;【數學】解析。2. 梗概,要略。3. 〈美國〉用精神分析法治療(= psychoanalysis)。
  • in : adv 1 朝里,向內,在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  • domain : n 1 領土,版圖;領地。2 管區,勢力圈;(特定動物等的)生長圈;(學問、活動等的)領域,范圍;【物...
  1. In this paper, a simplified model for dam - foundation dynamic interaction analysis in time domain is proposed in terms of the studying of the characteristics of the dynamic impedance of canyon cut in elastic half - space

    通過對拱壩地基的半無限空間動力體系的分析,提出了拱壩-地基動力相互作用問題的簡化求解途徑,並結合小灣拱壩進行了實際分析。
  2. Abstract : in this paper, a simplified model for dam - foundation dynamic interaction analysis in time domain is proposed in terms of the studying of the characteristics of the dynamic impedance of canyon cut in elastic half - space

    文摘:通過對拱壩地基的半無限空間動力體系的分析,提出了拱壩-地基動力相互作用問題的簡化求解途徑,並結合小灣拱壩進行了實際分析。
  3. The harmonic analysis method can save much computer time than the iterative scheme in time domain ; it is very useful for the complex problem that needs a great of iterative

    頻域法與常規的時間步進法相比,可以節省大量的計算機時間,對于需要大量迭代過程的復雜問題尤為重要。
  4. It is showed in buffeting analysis that the analysis results in time domain agree well with those in frequency domain. effect of pylon wind field can increase the lateral buffeting response of pylon. nonlinear factor can decrease the nature frequency of cable - stayed bridge, and can increase the vertical and torsional buffeting response

    時域抖振分析結果表明:大跨度斜拉橋抖振的時域和頻域分析方法具有較好的一致性;考慮橋塔風效應會顯著增大橋塔的橫橋向抖振響應;非線性因素會降低斜拉橋的自振頻率,會增大斜拉橋的豎向及扭轉抖振響應。
  5. Based on the analysis, the optimal mtmd with most effective parameters in time - domain is got, which could suppresses the vibration of cabin effectively. 5

    以饋源艙振幅的極小值作為目標函數,採用調優法,在時域上獲得mtmd的最優參數值。
  6. Lacking of space locality in time domain, fourier analysis can only make certain of the integral singularity of a function or signal. as a result ; it is difficult to detect the spatial position and distribution of broken signal by fourier analysis. wavelet analysis has the characteristic of spatial locality, and its wideness in both windows of the time and the frequency can be adjusted, so it can analyze the details of a signal

    小波分析優于傅里葉之處在於,小波分析在時域和頻域同時具有良好的局部化性質,因為小波函數是緊支集,而三角正、餘弦的區間是無窮區間,所以小波變換可以對高頻成分採用逐漸精細的時域或空間域取代步長,從而可以聚焦到對象的任意細節。
  7. Hysteretic damping application in time domain analysis of soil layer

    滯后阻尼在土層時域分析中的應用
  8. Some valuable conclusions are summarized by theoretical analysis and simulation experiments : from the side of signal processing, pulse jamming can be deleted by the method of time - domain sliding window accumulation and can be restored by interpolative prediction. ; gauss white nose can be attenuated while jamming disperse point - target by the method of time - frequency analysis in time - frequency domain. ; radio frequency noise jamming can be deleted by the method of average range frequency spectrum and notching in frequency domain

    通過大量的理論分析和模擬實驗,得到了一批具有一定價值的結論:從信號處理的角度出發,對于脈沖式干擾,能夠運用時域滑動窗口積累的方法去掉,並且通過預測插值得到較好的恢復;對于高斯白噪聲干擾,在時頻變換域內應用時頻分析方法可減小其對分散點目標的干擾;對于射頻噪聲,通過平均距離頻頻法和頻域陷波的方法可以去掉;從改變合成孔徑雷達系統角度出發,類似雙基地雷達能夠避免各種干擾,對發射信號進行調幅,調相以及改變調頻斜率都是較好的抗干擾方法。
  9. The rules obtained from the background modal analysis method based on the quasi - steady assumption in frequency - domain are similar to those obtained by the analysis method in time - domain, and the influence of high modes can be considered. finally, the dissertation suggests that for engineering design, it is better to use equivalent wind load factor defined the ratio of wind - induced total displacement to static displacement for computing the equivalent static wind load of long - span grid roof structures, and the equivalent wind load factor of the roof of taizhou stadium is calculated

    最後通過對大跨網架屋蓋結構的風振系數的研究,提出了在實際工程設計中,採用位移風振系數來計算大跨屋蓋的等效靜力風荷載既正確又方便使用,並且給出了臺州體育中心看臺屋蓋進行分塊統計后的位移風振系數,以供設計參考。
  10. Based on the characteristics of the membrane structures, wind - induced nonlinear coupling dynamic response analysis which can be applied to closed membrane structures is developed and the added air mass the pneumatic stiffness and the acoustical damping of the closed membrane structures are deduced. applying the method to an aeroelastic model of wind tunnel test, the displacement the velocity and the acceleration of corresponding prototype structure in time domain are obtained

    本文針對封閉式薄膜結構和敞開式薄膜結構推導了全新的非線性流固耦合風振響應公式,其中耦合因素包括附加空氣質量、氣承剛度和聲致阻尼以及相對運動速度,並將此理論應用於一氣彈模型的計算,獲得了位移、速度、加速度時程以及加速度均方根。
  11. Thus the resistance factor and vibration modes of the soil layer are obtained and used to analysis the pile response. by considering the interaction between the soil layer and the pile with boundary condition of continuity of displacement and equilibrium of force at the interface of soil layer and pile, the dynamic equilibrium equation of pile is solved and an analytical solution for the pile response in frequency domain is yielded, which is used to define complex stiffness and mobility at the level of the pile head. based on the convolution theorem and inverse fourier transform, a semi - analytical solution of velocity response in time - domain subjected to a semi - sine exciting force is given

    首先通過引入勢函數方法對土體位移進行分解,從而將土體動力平衡方程解耦,求解得到了土層的振動模態和阻抗因子,然後利用該解以小應變條件下樁土接觸面上力平衡和位移連續條件來考慮樁土耦合作用,求解樁的動力平衡方程,得到了樁頂的頻域響應解析解、復剛度和速度導納,利用卷積定理和傅里葉逆變換,求得了半正弦脈沖激振力作用下樁頂速度時域響應半解析解。
  12. A wavelet analysis is introduced to detect and diagnose faults occurred in the ehs system. as well known, wavelet analysis is referred to as a mathematical microscope. it takes advantage to fourier transform in its multi - resolution analysis both in time domain and in frequency domain

    眾所周知,由於小波分析具有良好良好的時?頻特性,即在低頻部分具有較高的頻率解析度和較低的時間解析度,在高頻部分具有較高的時間解析度和較低的頻率解析度,而被譽為「數學顯微鏡」 。
  13. As a new type of time - frequency analysis media, it excels in its good localization character both in time domain and in frequency domain comparing with traditional fourier analysis. it changes its sampling steps to smaller and smaller so as to analyze high frequency part, focusing on any part of the object been analyzed. to some extent, wavelet analysis is called " math microscope "

    作為一種新型的時頻分析方法,它優于傳統fourier變換的優點是在時域和頻域同時具有良好的局部化性質,可對高頻成分採用逐步精細的時域采樣步長,聚焦到對象的任意細節,因此被譽為「數學顯微鏡」 。
  14. On the basis of the analysis of the hypothesis in surface - consistent model, the conjugate gradient method is applied to decompose the seismic record in time domain in terms of the surface - consistent precondition and model

    摘要通過對地表一致性數學物理模型的前提條件進行剖析,合理地確定了反射振幅一致性校正模型,並依據該模型及其實現條件提出使用共軛梯度方法在時間域對地震記錄進行譜分解處理。
  15. In amplitude analysis in time domain, the step impulse response acts as an important parameter to evaluate the performance of audio device. it reflects the response sensitivity of audio system to sudden changed signals

    在音頻設備的時域特性分析中,階躍脈沖響應檢測是衡量系統性能的重要方法,它反映的是音頻設備對于突變信號的響應靈敏度。
  16. In frequency - domain, the background mode that has the most contribution to the buffeting energy of the structure is calculated using the background modal analysis method, thus the rms of the dynamic responses of long - span grid roofs is obtained. on the other hand, the rms of the dynamic responses is also obtained by direct integral method in time - domain. after the comparison of the results of two methods, several important conclusions can be made

    在頻域內,採用背景模態分析法,通過計算得到對結構振動能量貢獻最大的一階背景模態,從而得到結構脈動響應的均方根值;在時域內,採用直接積分法求出結構響應的時間歷程,並且通過統計,同樣得到結構脈動響應的均方根值。
  17. Lacking of space locality in time domain, fourier analysis can only make certain of the integral singularity of a function or signal. as a result, it is difficult to detect the spatial position and distribution of broken signal by fourier analysis. wavelet analysis has the characteristic of spatial locality, and its wideness in both windows of the time and the frequency can be adjusted, so it can analyze the details of a signal

    經典的fourier變換把信號按三角正、餘弦基展開,將任意函數表示為具有不同頻率的諧波函數的線性迭加,能較好地刻劃信號的頻率特性,但它在時空域上無任何分辨,不能作局部分析,這在理論和應用上都帶來了許多不便。
  18. Analysis of conical horn with multi - sector dielectric lens excited by circular waveguide tm01 mode in time domain

    01模激勵加多扇區介質透鏡圓錐喇叭的時域分析
  19. Simulation of wind and response calculation comprise analysis in time domain. though there are similarities and differences in many ways, methods of harmony superposition and ar modal can implement the simulation of wind precisely. when putting into action, advantages and disadvantages of each other will appear

    在風載時域模擬實際計算中,可以看到:兩種方法都能比較準確地對風載進行時域模擬,比較模擬結果可以看到兩種方法在實現風荷載時域模擬時在不同方面各有優劣。
  20. The " expanding in frequency domain " theory that makes the fractal theory and the chaos theory more advantageous is fit for normal analysis in time domain

    「頻域拓展」的方法使混沌與分形理論的應用更加直接,並適用於一般的時頻域分析。
分享友人