wavelet transformation 中文意思是什麼

wavelet transformation 解釋
小波變換
  • wavelet : 小浪;【物理學】子波,弱波,小波,基元波,成分波。
  • transformation : n 轉變,變化;變形;【生物學】(尤指昆蟲的)轉化,變態,改造,改革;變質;【數學】變換;【電學】...
  1. The other research purpose is to discover characteristic information and reliable methods of reflecting spinal cord damage. due to typical damage indicators, amplitude and latent period, have bugs such as limited information and weak stabilities, this project recommends applying time - frequency analysis to monitoring spinal cord function. through analysing and comparing typical signal with stft and cwt, it is proved indicators under time - frequency distribution can be better in reflecting signal changes, espcially the wavelet transformation

    針對目前ep監測中判定脊髓損傷的指標(波幅和潛伏期)存在信息量相對較小、穩定性較差的缺陷,本課題提出利用時頻分析技術對術中脊髓功能監護進行研究,通過短時傅立葉變換和小波變換分析和比較典型信號的時頻分佈,證明時頻特徵參數能更有效的提取信號的變化信息。
  2. A registration method for multi - spectral image and panchromatic image based on wavelet transformation

    基於小波變換的多光譜圖像和全色圖像配準演算法
  3. " l ' lle brief introduction of underwater acoustic channel and the cl1art of image transmission syste111, innovation of ti1is paper are given in the first chapter. basic technology and hardware using in this project are introduced in the seco11d chaptel transform methods, especially the wavelet transformation are introdtlced il1 the tl1ird cllapter. ii11age ' s coding methods are introduced in cl1apter four, witll tilem ti1e zero tree method is the el11pl1ases

    第一章給出對水聲通道特性簡介以及圖像信息傳輸的系統框圖、本研究創新之處;第二章介紹圖像處理的基本技術以及本研究的硬體環境;第三章介紹圖像數據的變換方法,著重介紹了小波變換涉及到的知識;第四章介紹圖像編碼,重點介紹了零樹法編解碼;第五章介紹本研究的軟體、硬體設計、對零樹法的具體改變。
  4. A compression method with wavelet transformation and biblock zero tree coding

    基於小波變換和對塊零樹編碼壓縮方法
  5. Compares with the traditional wavelet transformation, the wavelet transformation of lifting scheme have some characteristics : the operating speed more quickly, home position operation, the dsp chip realization

    與傳統小波變換相比,提升格式小波變換具有運算速度快,原位運算,適合於dsp晶元實現等優點。
  6. Then we make a deep research on human visual system and wavelet transformation, and a new wavelet watermarking method based on hvs is proposed to solve the conflict between robustness and imperceptibility

    在此基礎上,論文又將人眼視覺系統和小波變換結合在一起,提出了一種基於hvs的小波水印演算法,人眼視覺模型的應用緩解了演算法魯棒性和不可見性間的矛盾。
  7. Broken rotor bars fault diagnosis of induction machines based on wavelet transformation of electromagnetic torque

    基於電磁轉矩小波變換的感應電機轉子斷條故障診斷
  8. In order to solve the existing ct saturation problem which is met in current differential principle, this paper bring forward the new method to discriminate ct ' s saturation based on bd wavelet transformation

    針對電流差動原理中遇到的ct飽和的問題,提出了基於bd小波變換識別ct飽和的新方法。
  9. Let the measured bulky error be treated as sudden changing signal, utilizing wavelet transformation could conduct an accurate location on the error point by the use of wave let transformation an algorithm for eliminating data point with measured bulky error was presented, and a discussion was carried out on the selection of wavelet base

    摘要將粗大誤差作為突變信號,利用小波變換可以準確地對誤差進行定位,給出了利用小波變換去除粗大誤差數據點演算法,並對小波基的選取進行了討論。
  10. A image denoising method based on wavelet transformation

    一種基於小波的圖像降噪方法
  11. The corresponding results show that the improved chaotic image encryption algorithm overcomes the original disadvantages, and is resilient to one known / chosen plaintext attack because of the adoption of wavelet transformation

    給出的實驗結果表明,演算法克服了現有的一些混沌加密演算法的缺陷,可以有效地抵禦一類已知/選擇明文攻擊,增強了加密圖像的安全性。
  12. Caption recognition feature extraction using wavelet transformation and the combination of statistical language model and hidden markov model methods finally achieved the identification of caption

    基於統計機器學習的字幕識別提取小波變換的特徵並使用隱馬爾可夫模型和統計語言模型的識別技術相結合的機器學習方法,實現字幕文字的識別。
  13. Without exploiting motion information, normal 3d wavelet transformation can decline its coding efficiency in complex and movable scene

    常規的三維小波變換因為沒有利用運動信息,對復雜的運動場景的編碼效率會大幅度下降。
  14. We propose an algorithm, which integrate the shift invariance of redundant discrete wavelet transformation ( rdwt ) and the flexibility of multi - resolution motion estimation, to overcome the shift variance of dwt and get the precise motion vector. under the different code parameter, we take the proposed algorithm compared to several present algorithms, and experiment results have shown that proposed algorithm could leave less energy in the residual frames, get more precise motion vector and better reconstructed frames

    文章最後在不同的編碼參數下,將所提演算法與兩種傳統小波域運動估計演算法作比較,根據實驗所得數據分析,發現所提演算法在性能上要優于另外幾種演算法,具體體現在運動估計后所得殘差幀能量更小,重構幀客觀與主觀質量更高。
  15. By means of the wavelet transformation the deconvolution is done in the time domain. the dispersive properties of the elastic wave within the impacts acted are analyzed, and with the nonlinear optimization method concerned the impact location is identified

    利用小波變換作時域內的解卷積計算,分析了結構在沖擊載荷作用下的彈性波的散射特性,結合非線性優化方法實現了載荷沖擊位置的識別。
  16. Because wavelet transformation has strong capability of withstanding noise, we have easily considered making wavelet transformation for the input signals, and recognizing them in hidden markov models

    由於小波變換具有很強的去噪功能,一個自然的想法是在hmm識別系統前串連一個小波濾波器,將待識別模式信號作小波變換后再輸入hmm模式識別系統以進行識別。
  17. To conquer the problem of acquisition high effectiveness in analog circuit fault imformation, wavelet transform was researched in this paper to preprocess the fault signals. meanwhile, bp neural network diagnosis method based on wavelet transformation was proposed, this method can abstract fault feature effectively and decreases the dimension of imput vector. by this mean, the construct of neural network can be simplified and training time was economized, then the recognize ability of fault type was improved also

    為解決模擬電路的故障信息高效獲取難題,本文採用小波變換作為故障信號的預處理器,研究了基於小波變換預處理的bp網路故障診斷方法,該法能在有效提取故障特徵的同時,降低輸入信息的維數,從而進一步簡化了神經網路的結構,減少了其訓練時間,提高了辨識故障類別的能力。
  18. 2dica based on wavelet transformation and applications in face recognition

    基於小波變換的二維獨立元在人臉識別中應用
  19. Results of processing many images of agricultural field and scene of navigation experiments prove that the method based on region segmentation can detect the road correctly, the multi - resolution r oad detection based on wavelet transformation can easily analyze the image on different scaling, and can possess the power to get main contours while suppressing small edges when the scale is large

    大量的農田實際環境和實驗場景圖像處理結果表明,區域的方法可以正確地檢測出導航路徑,基於小波變換的多解析度路徑檢測方法能夠方便地實現由粗及精地多尺度分析圖像,在大尺度時具有抑制細小的邊緣得到景物主要輪廓的能力。
  20. By means of multi - resolution analysis concept for auto - zooming of wavelet transformation, a multi - resolution gaussian gradient operator which is suitable for noisy edge detection is configured. the experiment results show that this method is an automatic rapid and effective target detection method

    該方法利用小波變換的自動變焦的多分辨分析思想,構造了適合的噪聲中邊緣檢測的多解析度高斯梯度運算元。實驗結果表明,該方法是一種快速、有效的自動化目標檢測方法。
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