fourier-analysis 中文意思是什麼

fourier-analysis 解釋
傅立葉分析
  • fourier : n 1 傅立葉〈姓氏〉。2 Francois Marie Charles Fourier 弗朗瓦斯馬利沙利傅立葉〈1772 1837,法國空想...
  • 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)。
  1. Presently the way of study the echolocation calls of bat is localizated in traditional fourier analysis

    目前對蝙蝠回聲定位信號的研究方法主要局限於傳統的傅立葉分析。
  2. Therefore wavelet analysis is called a microscope of signal analysis and a milestone of fourier analysis. as a new embranchment of mathematics

    因此,小波變換被譽為分析信號的顯微鏡,傅里葉分析發展史上的一個新的里程碑。
  3. Fourier analysis has been changed to fit to analyze unsteady signal, which is represented by short - time fourier transformation. but in essence, the short - time fourier transformation is a method of ingle resolution because it uses an unchanged short - time widow function

    但從本質上講,短時傅里葉變換是一種單一解析度的信號分析方法,因為它使用一個固定的短時窗函數。
  4. A characterization of pseudo almost periodic functions in fourier analysis

    偽概周期函數在傅立葉分析中的特徵
  5. Wavelet analysis is a novel mathematical theory and method proposed in 1980s. it is regarded as a breakthrough of fourier analysis because it has many wonderful characteristics. fourier analysis consists of breaking up a signal into slue waves of various frequencies

    小波分析及小波變換是80年代中期發展起來的一門新興的數學理論和方法,它被認為是傅里葉分析方法的突破性進展,它具有許多優良的特性。
  6. The following topics are covered in the course : complex algebra and functions ; analyticity ; contour integration, cauchy ' s theorem ; singularities, taylor and laurent series ; residues, evaluation of integrals ; multivalued functions, potential theory in two dimensions ; fourier analysis and laplace transforms

    本課程包含下列各項主題:復數代數與函數;可解析性;輪廓積分;柯西定理;奇異性,泰勒與羅倫茲級數,留數,積分的運算;多值函數,二維的勢能理論;傅立葉分析與拉普拉斯轉換。
  7. Fourier analysis is the mathematical method used to break sounds down into sine waves

    傅里葉分析是將聲音分解為正弦波的數學方法。
  8. A fourier analysis method for discontinuous time series for pressure

    時間不連續壓力序列的傅立葉分析方法
  9. Radial fourier analysis

    徑向傳里葉分析
  10. Wavelet analysis is a tool of time - frequency analysis after fourier analysis

    小波分析是繼fourier分析之後的新的時頻域分析工具。
  11. Therefore wavelet analysis is called a microscope of signal analysis and a milestone of fourier analysis

    因此,小波變換被譽為分析信號的顯微鏡,傅立葉分析發展史上的一個新的里程碑。
  12. In this paper. we first introduce the basic concept of time - frequency analysis, include short - time fourier analysis

    本文首先介紹了時頻發展的基本概念和比較成熟的時頻分析方法? ?短時fourier分析。
  13. Discussion question : produce a plausible justification of nyquist ' s theorem based on the fourier analysis information given in the lecture

    討論問題:請根據課文中給出的傅里葉分析知識證明尼奎斯特定理。
  14. Stock is studied mostly with statistics analysis and fourier analysis ( fa ). but fa ca n ' t analyze partly signal in tune field

    過去對股市的研究基本建立在統計與fourier分析的基礎上,但fourier分析不具有空間局部性。
  15. 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。
  16. According to fourier analysis theory and the results of coupling theory of uniform fiber grating, the spectral characteristics of sampled fiber grating is studied theoretically and the formula about its overall envelop, peek interval and the number of these peaks are obtained

    摘要運用傅立葉分析與均勻光纖光柵耦合模理論的結果,對取樣光纖光柵的光譜特性進行了理論研究,得到取樣光纖光柵反射峰包絡、反射峰間隔和反射峰數量的理論計算公式。
  17. In the first session a vibration test and off - line processing scheme is presented according to present on - line testing environments. after the data has been collected, attempt of wavelet transform is made combined with traditional fourier analysis. various methods of wavelet transform are tried to reveal the relations in transform figures

    首先設計出在線測試和離線處理試驗方案,進行振動試驗數據採集,對試驗獲得的數據進行小波分析,將信號進行不同尺度的分解,分析小波變換圖中的規律,提取故障特徵,並對故障進行診斷。
  18. By simulating mathematically on frequency and on space, we can find the average speed of space field and the average speed of frequency field that is weighted by amplitude, and analyse their relation, and analyse the meaning of space speed variance x and frequency speed variance v. in the fourth part, how to ensure the height of cloud is introduced, and basing on the theory of wind field continuity, the height updating quality controlling is introduced. in the fifth part, the system of cloud wind is introduced, we tracked cloud - motion of consecutive satellite images with one - minute interval by the 1 - d fourier analysis technique and the two - dim fourier analysis technique and the fft analysis technique, and dispose them with quality controlling. in the sixth part, we summarized our research and put up with shortages of this article

    模擬模塊內各點的速度線性變化時,得到空間域平均速度以及頻率域以振幅為權重的平均速度,分析了空間域平均速度和頻率域以振幅為權重的平均速度的關系,並揭示空間域的平均速度的標準差_ x和頻率域的振幅為權重的平均速度的標準差_ v的意義,以及它們之間的關系;第四章介紹了雲跡風系統的高度指定以及風矢高度的劃分,並根據風場連續性原理,介紹了高度調整法的質量控制;第五章介紹導風系統的流程,選擇了三個時刻的ir雲圖,分別用一維傅立葉相位法、二維傅立葉相位法和快速傅立葉演算法計算一個風場個例,並對所得風場進行質量控制,並給出風場圖;第六章進行研究總結,指出不足和有待于進一步研究之處。
  19. To do so, astronomers resort to fourier analysis, a mathematical technique that allows them to break a complex curve into a set of simple ones called sine waves

    為了達到這個目的,天文學家們採取了傅立葉分析方法? ?這是一種數學研究方式,它允許天文學家們將一個復雜的曲線圖分解位一些叫做「正弦波」的簡單曲線。
  20. 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」 。
分享友人