fourier 中文意思是什麼

fourier 解釋
n. 名詞 1. 傅立葉〈姓氏〉。
2. Francois Marie Charles Fourier 弗朗瓦斯馬利沙利傅立葉〈1772-1837，法國空想社會主義者〉。
3. Jean Fourier 季恩傅立葉〈1768-1830，法國數學家，物理學家〉。

  1. Through the detailed analysis of the aaf, the defection of using chirp - fourier transform in guidance radar signal processing is pointed out

    通過對加速度模糊函數的形態分析也指明了針對線性調頻信號的二次相位匹配處理（ chirp - fourier變換）在應用到制導雷達信號處理中所存在的缺陷。
  2. For anisotropic materials fourier's law must be formulated in a more generalized form.

    對于各向異性的物質來說，傅里葉定律必須改寫成具有更普遍意義的形式。
  3. The fractional fourier transform is linear time - frequency transform, and it doesn ’ t have disadvantages of wigner - ville distribution. moreover, the precision of this method is higher, and the performance of antinoise is better

    而分數階傅立葉變換是線性時頻變換，所以它不受交叉項的干擾，沒有不模糊區間減半的缺點，而且它的估計精度高、抗噪性能好。
  4. So this base isolation technique has profound prospects. unfortunately there exist definite difficulties in the calculation because of the nonlinear of the base friction force. now, both the equivalent damping method and the numerical calculatin of the vibration response of the base - isolated buildings are frequently used in the calculation of the seismic response of the base - isolated building. however both of them have certain drawbacks. in this paper, the response of the building with base - isolation system is derived by the method of fourier expansion for the friction force and the earthquake response. at the same time, the sliding vibration character of inertia of a single mass structure and the sliding vibration response of a muti - mass structure are discussed. the stable condition of the sliding base isolation system of a structure is given. in the end, two circes of base fixation and base sliding are analyzed by adopting ansys

    本文利用對摩擦力和地震響應進行付氏級數展開的方法導出了基底具有摩擦隔震系統的地震反應。同時，文中從研究單質點結構的滑動振動慣性力入手，進而對多質點結構體系滑動振動反應進行探討，分別給出了結構滑動隔震的自身穩定條件。最後，本文利用ansys對基礎固定和基礎滑移隔震兩種工況進行了動力模擬模擬分析，進一步證實了基礎滑移隔規律。
  5. Sequentially, the author discussed the technologies of medical image 3d visualization according to the clinical applications. with the development of computer, 3d visualization and computer graphics, the 3d visualization of medical images has progressed from fourier transform and convolve inverse projection to mpr ( multi - planar reformation, mpr ) and mtp ( maximum intensity projection, mtp ), nowadays, the real 3d reconstruction method, surface and volume rendering has risen. the image registering, image segmentation, pixel data set construction and 3d special interpolation are the key technologies in medical images 3d reconstruction

    隨著計算機技術、三維可視化理論和計算機圖形學的發展，醫學圖像的三維可視化技術也從傅立葉變換、卷積反投影等基本圖像處理演算法，發展到真正的三維重建演算法：面繪制和體繪制；醫學圖像的三維可視化技術的應用也從三維醫學成像發展到虛擬內窺鏡，以及今天的虛擬可視化人體研究；而圖像的配準、圖像分割、體數據集的構建、三維空間插值則是醫學圖像三維可視化實現過程中的關鍵技術環節。
  6. 1995, 17 : 1106 - 1110. 27 sheng y, shen l. orthogonal fourier - mellin moments for invariantpattern recognition. j. opt

    我們用室外自然紋理圖像以及curet數據庫中的紋理對我們提出的模型進行了測試。
  7. Furthermore, with the fourier series technique, the disturbance is discomposed into predominant mode and high frequency harmonics, and the nonlinear stability of the nonparallel boundary layer is studied

    採用fourier級數的方法把擾動波分解為基本模態和高頻諧波模態，導出非平行非線性拋物化穩定性方程。
  8. With the fourier series technique, the disturbance is discomposed into predominant mode and high frequency harmonics. the nonlinear stability of three - dimensional disturbances for the blasius boundary layers is studied

    藉助fourier級數的方法將擾動波分解為基本模態和高頻模態，研究了三維擾動的非線性邊界層穩定性問題。
  9. Resolution to kernel function with dissociable variables based on fourier transform

    基於快速傅立葉變換的二階可靠度分析方法
  10. Optical 3 - d profilometry has been widely used for 3 - d sensing, machine vision, intelligent robots control, industry monitoring, biomedicine, dressmaking, etc. several 3 - d object profilometry methods, including moire technique ( mt ), phase - measuring profilometry ( pmp ), fourier transformation profilometry ( ftp ), modulation measurement profilometry ( mmp ) have been exhaustively studied

    光學三維傳感已廣泛應用於機器視覺，實物仿形，工業檢測，生物醫學等方面，在三維面形測量中，對莫爾輪廓術，位相測量輪廓術，付里葉變換輪廓術，調制度測量輪廓術這些方法已經進行了大量深入的研究。
  11. 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。
  12. 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。
  13. This multi - purpose optical metering system had adopted the twyman - green interferometric system as its center, containing an advanced digital wave surface interferometry and a kind of homodyne interferometer displacement testing method with nanometer - sized capacity. at the same time, many wide - applied metering technology, for example, the diffracted field ( fringe ) measurement, co - focal lens system, optical fiber sensors and 4f ( focal distance ) space filter system which can embody the chief principle of fourier optics well, were combined into it successfully. this instrument can firstly offer and show modern optical testing method in the laboratory for majors of information processing, instrument science, measuring and testing technology and automatic technology

    該多功能激光光電實驗系統以泰曼-格林干涉（ twyman - green ）光路作核心，包括先進的數字波面干涉技術和一種基於空間干涉原理的、納米解析度零差干涉儀位移測量方法，同時將多種新穎、工程實用價值高的測量技術和光路如衍射測量、共焦顯微技術、光纖傳感技術以及反映傅立葉光學基本光學原理的4f空間濾波系統也組合進去。
  14. We will not go into detail about fourier series, but will simply look at one example.

    我們將不涉及付里葉級數的細節，而將只考察一個例子。
  15. The experimental conclusion is indicated rather strikingly in the fourier plot of fig. 223.

    實驗的結論非常明顯地顯現在圖223的傅里葉曲線上。
  16. The fourier transform is an integral expression for a fourier series applied to an infinitely long signal.

    傅里葉變換式是對博里葉級數的一種積分表達式。
  17. As an example of the technique, let's compute the fourier series which corresponds to a square wave.

    作為這種方法的一個例子，讓我們計算一個方波的傅里葉級數。
  18. Fourier techniques provide a particular elegant framework from which to evolve a description of the formation of images.

    傅立葉方法提供了一個特別優美的框架，從它發展出一種描述成象的方法。
  19. If the floor was infinite in extent, the mathematical distribution of reflected light could be regarded in terms of a two-dimensional fourier series.

    如果地板的廣度是無限的，那麼可以用一個二維傅里葉級數來表示反射光的數學分佈。
  20. Some problems on the fractional fourier transforms

    分數階傅立葉變換的若干問題
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