motion spectrum 中文意思是什麼
motion spectrum
解釋
運動譜-
Motion of a star across the line of sight causes no change in its spectrum.
恆星橫越視線方向的運動，在它的光譜中不會引起什麼變化。 -
Moreover, since the atoms are in random thermal motion the frequency spectrum will be altered by the doppler effect.
而且，由於原子是在作無規則熱運動，多普勒效應也會使頻譜發生改變。 -
Expanding the system ' s hamiltonian to a real symmetric matrix in an appropriate orthogonal basis vector and then diagonalizing it, we get the energy spectrum of the system and calculate the energy level spacing distribution function and the spectral rigidity. then we study the statistical character of the energy spectrum under the changing of magnetic field intension and find that the system ' s motion transfers from regular to chaos gradually
將系統的哈密頓量在一個適當的正交基矢下展開並對角化，得到系統的能譜，分別計算系統能譜的能級間距分佈函數和譜剛度，研究了該系統量子能譜的統計特徵隨磁感應強度大小的改變而表現出的系統運動由規則到混沌的漸進變化。 -
According to the need of design code for anti - seismic of engineering constructure, the bedrock peak acceleration rate and response spectrum of exceeding probability of 63 %, 10 % and 2 % are given respectively and seismic motion parameters are also calculated, which will provide the evidences for anti - seismic design of this electric power equipment station
按工程建築物抗震設計規范要求，分別給出了50年63 % 、 10 %和2 %超越概率水平的基巖峰值加速度及反應譜，計算出地震動參數，為該電力設備站建設提供了抗震設計依據。 -
The probability of being or exceeding a given damage state of buildings by a given ground motion intensity is calculated from the spectral displacement corresponding to the intersecting point of the demand spectrum and the capacity curve, the median value of spectral displacement at which the building reaches the threshold of the damage state and the standard deviation of natural logarithm of spectral displacement of the damage state
文中，討論了非彈性需求譜的推算，將現行抗震設計規范中規定的反應譜換算得到的彈性需求按對應的譜位移折減，得到非彈性需求譜。依對應的譜位移在四個需求譜上的四個點和原點，構造了典型建築物的抗力曲線。 -
In addition, effects of several factors such as local site conditions, focal mechanism, epicentral distance and seismic magnitude on these parameters are discussed, and several significative results and conclusions are obtained. in all records there are about 1 / 3 vertical ground motion ’ s peak acceleration bigger than 2 / 3 of the corresponding horizontal one, so the action of vertical ground motion should not to be underestimated. vertical design response spectrum equals that the horizontal design response spectra times 65 % is probably unsafe when period is short, and suggest adopting different coefficients when at different periods
本文基於對大量歐洲強震記錄的研究，分析了地震動豎向與水平向分量在峰值加速度、反應譜值、頻譜周期等參數方面的差異，以及這些參數與場地、震源機制、震級和震中距的關系，得到了以下有意義的結果和結論:在本文分析的地震記錄中大約1 / 3的記錄加速度峰值比大於2 / 3 ，豎向地震動分量的作用不可低估;在短周期，豎向地震動影響系數的最大值僅取為水平向地震動影響系數最大值的65 %是偏於不安全的，可以考慮按周期分段採用不同的折減系數;我國現行抗震規范中設計反應譜特徵周期的取值偏低，可能是偏於不安全的;豎向與水平向地震動分量卓越周期的比值在0 . 7 - 0 . 9之間，豎向設計反應譜的特徵周期應有單獨規定。 -
Analyzing predominate period of ground motion. using the standard design response spectrum in code for seismic design of buildings, one can estimate the seismic response according the site classification. this approach only uses to estimate the effect of the first order mode
一般建築結構按現行《建築抗震設計規范》中規定的場地類別套用規范標準設計反應譜確定設計地震動反應譜，這一方法只能初略地考慮場地第一振型的影響效應（嚴格地講，基底開放性土體不存ws在振型效應） 。 -
This paper relates to some problems about the determination of design ground motion parameters, which include the choice of the attenuation relationship of rock horizontal acceleration response spectrum, the impact of focal depth to rock peak horizontal acceleration and rock response spectrum curves, the choice of intensity envelops function and random input phase, the choice of soil nonlinearity and shear wave velocity, scale of design ground motion response spectrum etc. in the researches of relative aspect, based on a typical section plane of the engineering site, influence of the change of some parameters on design ground motion parameters and the existing errors and corresponding rules are studied by using the method of one dimension model of equivalent linearization
摘要研究了確定設計地震動參數中涉及的若干問題，其中包括基巖水平加速度反應譜衰減關系的選擇、震源深度對基巖水平加速度峰值及基巖反應譜曲線的影響、強度包絡線函數及輸入隨機相位的選擇、土體非線性特性參數和土層剪切波速值的選擇、設計地震動反應譜的標定等問題。 -
The algorithin adopts two well - known ideas called spread spectrum and quantization, first applies a frequency transformation on the motion signal, and then embeds watermark bits by quantizing proper intermediate frequency coefficients
本章的演算法應用了量化與擴展頻譜的思想，首先對運動信號進行頻域變換，在dct域上選擇一定數量的中頻交流系數量化嵌入水印信息。 -
But in fact their design response spectrum could be very different so that the parameters of ground motion for building design could be improper
實際上，兩者可以相差很多，由此確定的設計地震動參數勢必不盡合理。 -
By 1 - d fourier transform, we could analyze wave spectrum and get wave speed by computing phrase shift, then calculate the velocity of the wind, so we can avoid the problem of " sub - pixel motion "
使用傅立葉相位分析法，對示蹤雲進行頻域波譜分析，由諧波的相位變化計算波速，繼而得出風速，能夠避免「亞像素尺度位移」問題，提高導風的精確度。 -
Using the relation between spectrum width and entropy and the different contributions devoted by each angle motion parameter to the echo spectrum width of the difference beam, the global optimal estimation is obtained through searching the angle motion parameters of zero and higher order via max - entropy and min - entropy respectively
該方法利用了各階運動參數對差波束回波譜寬度的不同貢獻以及熵與譜寬度的關系，通過最大熵和最小熵分別對0階和1階以上角運動參數進行搜索，得到全局最優估計。 -
The power spectral density of ship ' s motion is calculated based on ocean wave energy spectrum, and the movement spectrums of the ship ' s random motion are calculated and created
根據海浪波能譜，計算了艦船搖蕩運動的功率譜密度和艦船的隨機搖蕩運動。 -
Our main work is as following : ( 1 ) research many methods to estimate blur parameter, carefully analyze the blur function of straight line motion with constant velocity, put forward a method to estimate blur parameters by zero value points according to the blurred images " spectrum
主要工作如下： （ 1 ）研究了多種估計退化參數的方法，並仔細分析了勻速直線運動模糊圖像的退化函數，根據其頻譜的特點提出了用零值點方法來估計退化參數。 -
A modified two - dimensional dynamic effective stress method is established and also the corresponding program presented in the paper. and the method is used for analyzing the effects of liquefaction of sand soil zone on surface ground motion and the response spectrum of acceleration 、 velocity and displacement
本文在現有研究的基礎上，建立了一種土體二維有效應力動力分析方法並編制了相應程序，並以此計算分析了飽和液化砂層對地表加速度反應譜、速度反應譜、位移反應譜的影響。 -
The long period attenuation relationship of acceleration response spectrum is developed using this database. the short - period attenuation equation is developed by using the analog strong motion records of western north america. by connecting the short period and the long period attenuation relationships together, the wide period ( 7 " = 0. 04 - 20sec ) attenuation relationships for horizontal acceleration response spectrum of western north america are obtained
與用模擬式強震儀記錄所得出的美國西部地區短周期（ t = 0 . 04s - 4s ）加速度反應譜衰減關系結合，得出了美國西部地區水平向基巖寬周期（ t = 0 . 04 - 20s ）加速度反應譜衰減關系。 -
The deformation analysis was made to a 12 storey reinforcement concrete structure, building in site condition ii, earthquake fortification level 8, by a program idarc - 2d which is put forward by the state university of new york at buffalo. the strong ground motion records obtained from pacific earthquake engineering research ( peer ) stiong ground motion database. thirty - eight waves were selected from the database by sorting the site condition and peak ground acceleration a comparison was made to the thirty - eight records " response spectra and the design response spectrum. thirteen waves were selected to the deformation analysis, el - centro wave and taft wave were added as a comparison. the result of computation shows that the selected waves damaged the structure severely than the el - centro wave and taft wave
利用idarc - 2d對一建於8度類場地上的12層鋼筋混凝土框架結構進行了大震下的變形驗算。強震記錄取自加州國家地震中心強震數據庫，按場地類別和峰值加速度對數據進行分類處理，從中選出38條波進行反應譜的擬合。最終選定擬合較好的13條波進行本次試算，作為比較加入了常用的el - centro波和taft波。 -
The paper carried out elastic response spectrum analysis on staggered truss frame system, input two strong ground motion records to carry out elastic and plastic time - history analysis. the paper compared the difference of aseismic property between 20 - storeyed composite truss and 20 - storeyed braced composite truss, and concluded that longitudinal brace can not only increase the rigidity but also reduce drift displacement of the first storey. in addition, the paper adopted displacement coefficiency in push - over method to obtain object displacement, and gave the failure modes of the two structures respectively
本文對鋼結構交錯桁架體系進行了彈性反應譜分析、輸入了兩條強震記錄進行彈性以及彈塑性時程分析，對比了20層混合式和20層縱向帶支撐混合式在彈性階段及彈塑性階段的抗震性能區別，得出縱向帶支撐不但有利於增大縱向的剛度，還可以減小結構底層層間變形的結果；利用pushover的位移系數方法得出了結構的目標位移，並得出了兩種結構的破壞模式。 -
In the first part, the research progress of cloud motion wind was introduced and the significance of the 1 - d fourier analysis technique was given. in the second part, based on fluctuation theory and fourier analysis, the one dimension fourier analysis technique on cloud motion winds is deduced and demonstrated theoretically. by simulating mathematically on frequency and on space, we not only uncovered two questions in practice, first is phrase folding, second is frequency spectrum overlapping, but also gave methods and suggestions to solve them or avoid them
本文由六章組成，第一章介紹雲導風技術的研究進展和傅立葉導風技術的研究意義；第二章以波動理論和傅立葉變換為基礎，對傅立葉相位導風技術進行理論推證和誤差分析，通過模擬分析了空間域和頻率域的導風特點，揭示了在導風過程中出現的相位重疊和頻譜混疊兩種現象；第三章通過計算在空間域速度線性變化情況下頻率域振幅權重平均速度（ -
Based on the assessment of seismic risk of surrounding rocks, three sections are selected to perform fem calculating using ground acceleration history of different engineering properties as input. through study of the displacement and stress fields of grotto surrounding rocks under ground motion of different pga, frequency spectrum and duration, the influence of structure of grottoes and neighboring grottoes on dynamic damage and stability of country rock is discussed
通過對不同地震動峰值加速度（ pga ） 、不同頻譜、不同持時作用下，錨索加固洞窟圍巖的位移場和應力場特徵的研究，探討了不同地震動作用下，洞窟的結構及洞窟之間的組合關系對圍巖動態損傷及穩定性的影響。
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