fractional fourier transform 中文意思是什麼

fractional fourier transform 解釋
分傅利
  • fractional : adj. 1. 零碎的，斷片的。2. 【數學】分數的，小數的，有零數的；不足買賣單位的。3. 【化學】分餾的，分級的。
  • 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...
  • transform : vt （使）變形；（使）變化[轉化，轉變]；變態，改變（性質、機能等），改造，改革；【數學】變換；【電...
  1. 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。
  2. Analyze the method of discrete fractional fourier transform and its digital computation 3

    2 .研究了分數階fourier變換離散化方法，並做出了模擬計算。
  3. With the presentation of digital computation of fractional fourier transform, it has begun to apply to electric signal processing

    后來分數階fourier變換的離散化方法的提出，以及其快速計算的實現，分數階fourier變換才有了在電信號處理中的應用。
  4. Set up a model for lfm signal detection and parameter estimation on the basis of realization of the digital computation of discrete fractional fourier transform 4

    3 .在分數階fourier變換離散數值計算實現的基礎上，建立了lfm信號的檢測與參數估計系統模型，並模擬實現。
  5. On the basis of study of fractional fourier transform and its digital computation, the main aim in this paper is to study the applications of fractional fourier transform in lfm signal detection and parameter estimation, to research filtering of lfm signal in the fractional fourier domain and the digital image watermarking in the fractional fourier domain

    本文以研究分數階fourier變換的基本理論與應用為目標。在深入分析分數階fourier變換原理和數值實現的基礎上，對lfm信號的檢測與參數估計， lfm信號的分數階fourier域濾波，以及二維分數階fourier變換在數字圖像水印中的應用作了研究和模擬實現。
  6. Fractional correlation ( fc ) is the general notion of conditional correlation, because it is based on fractional fourier transform ( frt ). fc can be used in shift - variant object recognition because it is a shift - variant operation

    基於分數傅里葉變換的分數相關比傳統的相關更一般化，它是平移變化的，從而可用於平移變化的物體識別。
  7. In this paper, the main problem is to detect the position and velocity of moving target by fractional fourier transform which could be concluded by three parts, the echo model establishment of moving target, the realization of fractional fourier transform and parameters estimation of moving target, detailed contents are as follows. firstly, the paper analyses the echo model of sar static target and introduces a kind of sar imaging algorithm, range - doppler ( r - d ) algorithm

    本文的主要內容包括三個部分，即動目標回波模型建立、分數階傅立葉變換的實現和動目標參數估計，具體來說，其內容如下:首先，本文研究分析了合成孔徑雷達靜止點目標的回波模型並介紹了一種基本的合成孔徑雷達成像演算法? ?距離-多普勒（ r - d ）演算法。
  8. Adaptive time - frequency representation based on fractional fourier transform

    基於分數階傅立葉變換的自適應時頻表示
  9. Fractional fourier transform of two - dimensional cosine - gaussian beams based on the wigner distribution function

    二維餘弦高斯光束基於魏格納分佈函數的分數傅里葉變換
  10. Optical image encryption using anamorphic fractional fourier transform

    採用變形分數傅立葉變換的光學圖像加密
  11. Secondly, the paper has a brief description of time - frequency analysis and fetches out the fractional fourier transform and analyses its advantage

    其次，本文簡述了時頻分析的概要，引出了分數階傅立葉變換，分析了分數階傅立葉變換的優勢。
  12. The chirp - type fractional fourier transform theory and applications

    線性調頻分數傅立葉變換理論及應用
  13. Optical implementation and applications of fractional fourier transform

    分數傅立葉變換的光學實現及其應用
  14. Effect of wavelength on output of optical fractional fourier transform system

    波長對分數傅立葉光學系統輸出的影響
  15. Fractional fourier transform

    分數傅里葉變換
  16. Implementation of fast algorithm of discrete fractional fourier transform on dsp

    離散分數階傅里葉變換快速演算法的dsp詳細實現
  17. The main content includes : 1. study the general theory of fractional fourier transform 2

    主要內容為: 1 .研究分析了分數階fourier變換的基本原理。
  18. Fractional fourier transform ( shortened as frt ) is the generalized fourier transform

    分數傅立葉變換（ fractionalfouriertransform ?簡稱frt ）是更廣義的傅立葉變換。
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