filter transform 中文意思是什麼

filter transform 解釋
過濾變換
  • filter : n 1 濾器,濾紙,過濾用料[砂、炭等]。2 【無線電】濾波器;【物理學】濾光鏡,濾色器。vt 過濾,用過濾...
  • 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. So the lifting scheme allows one to custom - design the nonlinear filter, needed in the transform algorithms, to the situation at hand

    它構造小波的方法很簡單直觀,運用它可以構造出一些性質良好的非線性小波。
  2. In the second chapter, wavelet theory, which is the theoretic basis of embedded zero wavelet coding is introduced briefly, including wavelet transform " s local characteristics, multi - resolution analysis, discrete signal ' s fast decomposition and construction, wavelet and filter group

    第二章,對小波零樹編碼演算法的理論基礎? ?小波理論作了簡要的介紹,包括小波變換的時頻局部特性、多解析度分析、離散信號的快速分解與重構以及小波與濾波器組的關系。
  3. A novel communication receiver which uses lapped transform ( lt ) incorporating modified median filter ( mmf ) algorithm is designed for narrow - band interference excision. the lt domain mmf algorithm takes full advantages of the direct sequence spread spectrum signal, as well as the characteristics of lt, performing the transform domain filtering twice. the first filtering locates the position of interference and mitigates most of them. the second filtering is performed in a small neighborhood of the located interference. so lt domain mmf algorithm can completely mitigate the interference without distorting the desired signal. simulation results demonstrate the improved ber performance and increased robustness of our receiver

    本文採用改進的重疊變換域中值濾波演算法進行變換域抗干擾處理.該演算法既考慮到直接序列擴頻信號的特點,同時又利用重疊變換的特性對變換域系數進行了二次濾波.該演算法節省處理時間,並且不需要有關干擾的先驗知識,系統性能不會隨干擾頻率變化而變化,因而是一種很穩健的處理方法
  4. The design and implementation of transform - domain filter algorithm based on fft / ifft transform is discussed

    闡述了基於fft / ifft變換的變換域濾波技術在fpga上的設計與實現。
  5. The results show that the self - adaptive filter can be used to detect line spectrum, the wavelet transform and the fourier transform can be used to detect the ship noise in modulating the anisotropic noise field

    結果表明:自適應濾波對于各向異性噪聲場中的線譜檢測有良好的效果;而小波變換和短時傅里葉變換對各向異性噪聲場中的艦船噪聲調制信號檢測有良好的效果。
  6. A kind of optimal filter algorithm based on wavelet transform

    基於最大值遞歸濾波器的暗點目標檢測演算法
  7. We provided a new method that tried to transform the whole image to featured space and facilitated identification and self - elimination of disturbance according to the hue and luminosity features of eyes of human being. we gave the definition and description of the transformed space. a wavelet - texture filter was designed to distill space - transform - based feature of the image itself was executed

    根據人眼對顏色、亮度等不同的敏感性以及圖像本身的性質,仿人眼變換域分析圖像形成光學濾色鏡效果,減少復雜背景顏色和相似形狀的多重干擾,並以此定義和表徵變換域特徵空間,給出變換域小波紋理車牌特徵,成功提取車牌字元區域; 2
  8. Its main steps are : 1 median filter to filter yawp ; 2 edge detecting ; 3 figure thinning ; 4 the calculation of center point and some other parameters, we put forward a new method with which we firstly give a self - adjust liner transform then we use robert edge detecting and we also give an four - adjacent - field method for edge thinning here ; secondly we repeat four steps above and use the center point as focus in the fourth image. after this we track the forecasting center point by kaveman filter and select two blocks for locating. lastly from the fifth photo on we mainly deal with the arithmetic for matching locating and recognition of focus except kaveman filter

    然後在第四幅圖像中:重復上述四步,以提取的形心為瞄準點,在選定瞄準點以後,為了在後續圖像中匹配、定位、識別瞄準點,我們使用卡爾曼濾波求取跟蹤預測的形心點並在瞄準點的周圍選取兩個匹配定位塊:從第五幅圖像開始,除了使用卡爾曼濾波求取跟蹤預測形心點以外,主要執行匹配、定位、識別瞄準點的演算法。
  9. Under single polarized measurement, wavelet transform is used to filter noise, recognition results of target are evidently raised. against the conventional definition, a new time - frequency range profile is present, thereby the more accurate features of target can be picked up and identified. secondly, methods of conductor imaging are studied

    對一維距離像的特性進行了分析;利用小波變換濾噪提高了單極化下基於目標一維距離像的識別率;相對一維距離像的傳統定義提出了時頻距離像的新定義,從而更為精確地反映目標的精密結構特徵。
  10. Apply to this layer filter - blur - smart blur. distort now the butterfly, applying the next selection : edit - transform - distort

    點擊濾鏡-模糊特殊模糊。復制蝴蝶圖層並粘貼到一個新的層,對新層中的蝴蝶進行扭曲操作(編輯-轉換-扭曲) 。
  11. In the traditional wavelet transform, because the wavelet filter and coefficient is fixed, as a result, when the discontinuous signal is analyzed, it will produce a lot of big wavelet coefficients in the transition, which makes against the compression. in the image processing, some image is roughness, and it may has sharp edges and oddity parts

    由於傳統小波變換的濾波器長度和系數是固定不變的,不能適應輸入信號而變化,這使得在分析非連續信號時,在躍變點兩側會產生大的小波系數;對具有尖銳邊緣、分段光滑或奇異點、圖文混合圖像處理效果很差。
  12. In this paper, the self - adaptive filter, the wavelet transform and the fourier transform are used to detect the stationary and the non - stationary signal of underwater sound in anisotropic noise field

    本文以各向異性噪聲場為例,分別對聲矢量信號中的聲壓、振速探討應用自適應濾波、小波變換、短時傅里葉變換檢測水聲平穩和非平穩信號的應用效果。
  13. Because the high resolution on high frequency of wavelet package meets the feature of fingerprint containing abundant high frequency, we filtered the fingerprint preliminarily by means of wavelet package. while designing orientation filter, we introduced the square - circle transform to rotate filter, thus we reduced computing complexity and avoided imported errors

    具體地,結合指紋圖像中高頻豐富的特點,以及小波包高頻解析度高的分析特性,選用小波包對指紋圖像進行初濾波;在設計方向濾波器時,對濾波器的旋轉引入了方?圓變換的方法,進而減少了計算的復雜度,同時避免引入誤差。
  14. In hardware design, a / d, mt8880, serial port communication module and other interface circuit are described. in software design, the related algorithms such as scale transform, digital filter, digital zero, dtmf communication and repeated output program are considered

    硬體設計主要介紹了a d轉換、 mt8880 、串列通信等模塊和介面的電路設計,軟體設計主要介紹了程序設計中比較關鍵的標度變換、數字濾波、數字調零和重復輸出等數據處理的演算法以及利用dtmf信號實現數據採集器和監測站傳輸數據的通信軟體設計。
  15. In this paper, it is expounded the relationship of two - channel perfect reconstruction filter banks to wavelet transform on the base of signal processing and engineering application ; avoiding complex path formula deduction, the selection of a desirable mother wavelet function becomes the design of two - channel perfect reconstruction filter banks

    摘要從信號處理和工程應用的角度出發,避開了復雜的數學公式推導,闡述了雙通道濾波?組與小波變換的關系,並討論了母小波函數的選擇可歸結為正交鏡像濾波器的設計。
  16. It consists of the coordinates setup and transform of the phased array radar, some filter parameters " design for low - altitude target, evim technique used in the low - altitude radar target tracking, the strategy for low - altitude radar target tracking, etc

    包括相控陣雷達坐標系的建立與轉換;低空目標跟蹤有關濾波參數的考慮; imm技術在低空目標濾波中的應用;相控陣雷達的低空目標跟蹤策略等。
  17. This algorithm decomposes and reconstructs a digital image using multi - resolution ratio of wavelet transform, analyzes the design method of compactly supported orthogonal filter, and realizes the image decomposition and reconstruction based on orthogonal wavelet

    本演算法利用小波變換的多解析度特性來進行圖像的小波域分解和重構,分析了具有緊支集的正交小波變換濾波器的設計原理,實現了基於正交小波的圖像分解與重構。
  18. Under the condition of " comparatively weak correlation between the two noises involved, coherence function is used as a frequency domain amplification factor for improving snr of the output signal to the filter and the speech enhancement effect. meanwhile, a real - time recursive algorithm is put forward in substitute for current algorithms based on short time fourier transform. the new algorithm will simplify computations and will be suited for real - time implementation together with the adaptive systems

    接著針對上述nanc系統兩路輸入信號噪聲相關性弱的情況,用相干函數作頻域增益因子來提高輸出信噪比與改善語音增強效果,同時,通過一種實時迭代演算法解決了短時傅氏變換計算量大的問題,簡化了計算,便於實時處理與實際應用。
  19. In recent decades, people have made a research in single channel deconvolution problems, for example, the traits, fast algorithm of deconvolution results and process for error. they proposed many methods, such as inverse filter algorithm, z transform algorithm, dfs algorithm, l2 algorithm, recursion algorithm

    幾十年來,人們對單通道信號卷積反演問題如反卷積解的性質、解的快速演算法及對誤差的處理等進行了深入的研究,並取得了不少的成就,如逆濾波法、 z變換法、遞歸法、 dfs法、最小平方法等。
  20. By use of wavelet transform and filter and re - sampling to dispose of signals. we can get a relatively content result, in the surrounding of matlab

    利用信號處理的小波變換、濾波、重采樣技術等方法,在matlab環境下進行了模擬模擬,得到了比較滿意的結果。
分享友人