transform scale 中文意思是什麼

transform scale 解釋
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  • 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...
  • scale : n 1 (尺、秤等上刻劃的)分度,度數,標,標度,刻度;尺寸;尺,尺度。2 【音樂】(標度)音階;音列...
  1. The time - scale amplitude plot and phase plot based on hermitian wavelet transform are presented to singularity detection of signal. the corresponding relation relation between singularity and amplitude plot or phase plot is created. as successful application, fault of axletree damnify is found by means of this method

    提出了基於hermitian小波變換的時間?尺度幅圖和相圖來識別信號奇異性的方法,建立了信號奇異點與幅圖和相圖的對應關系,在軸承損傷故障診斷中取得了成功的應用。
  2. For the anticounterfeiting of printings ( such as certificate ), the existent many ways ( such as rainbow holograms ) are not available as the need for special use : anti - distortion and anti - copy. basing in the double - random - phase transform, this article puts forward a new way that two - dimensional bar code is used as anticounterfeiting label with anti - printing ? scanning and anti - damage properties. the major job are : ( 1 ). basing in the ascii codes, numerals and alphabets are encoded and subsequently transformed into two - value bar code matrix figure. later, using amplitude - based double - random - phase transform, the enciphered gray scale figure is formed. by computer simulation ( 4f system ) and printing as well as scanning ( 20 times ), we get the result that the gray scale figure with little miscoding rate ( 0. 0026 ) by “ matrix expanding way ”

    本文主要開展了以下三項研究工作: ( 1 ) .用自定義編碼方案,將數字和字母( ascii碼)轉換成二值條碼圖;對該圖形進行振幅型雙隨機相位加密變換,得到原信息的加密灰度圖;通過4f光學系統計算機模擬和列印-掃描實驗,證明本文提出的「矩陣擴展法」灰度圖具有較小的誤碼率,對於20次列印-掃描實驗,誤碼率不大於0 . 0026 。
  3. Wavelet transform, which has a multi - resolution analytic character, is a time - scale ( time - frequency ) analytic method of information. moreover, as both of its time - window and frequency - window can be changed it processes the ability of expressing local characters of information in time - frequency domain

    小波變換是一種信號的時間尺度(時間頻率)分析方法,它具有多解析度分析的特點,而且在時頻兩域都具有表徵信號局部特徵的能力,是一種窗口大小固定不變但其形狀可改變,時間窗和頻率窗都可以改變的時頻局部化分析方法。
  4. The unrivalled scale and quality of this development is going to transform kowloon west into a new hub of business in hong kong, in the same manner as canary wharf in london, la dfense in paris and roppongi hills in japan

    環貿廣場的規模和質素均創立新標準,建成后將改變西九的面貌,成為香港新的核心商業區,成就可媲美國際知名的倫敦金絲雀碼頭巴黎的la defense ,以至日本的六本木山大型項目。
  5. Secondly, the wavelet transform of ae signals collected in experiment is carried out with db6 wavelet and scale 3 on the basis of the signal ' s frequency analysis. the high frequency d, signal is ae characteristic signal. and by choosing the level ' s wavelet coefficient as its input, the wavelet - neural networks can be trained with the data of ae experiment, and the ae signals can be effectively recognized

    然後,在實驗與對實驗所採集數據頻譜分析基礎上,根據對小波分析用於信號處理可行性研究,本文選擇db6母小波、尺度j = 3對實驗所採集數據信號進行小波變換,變換后其高頻成分d _ 1信號即為聲發射特徵信號。
  6. In this paper, we establish a visual model in ridgelet transform domain, and a new perceptual watermarking algorithm in the ridgelet domain is proposed. the ridgelet transform ( candes and donoho, 1999 ) was introduced as a new efficient multi - scale representation for functions that are smooth away from discontinuities along lines

    論文從數字水印發展的現狀出發,對數字水印技術的發展、數字水印技術的基本原理及其通用模型、數字水印技術主要應用的領域及其性能要求、數字水印的分類與典型演算法等多個角度進行了綜述。
  7. Two image watermarking methods embed watermarks into transform domain using the multi - scale characteristic of wavelet

    兩種圖像方法都是利用小波多尺度的特徵在變換域嵌入水印。
  8. Based on multi - scale wavelet transform, a multi - feature fusion approach for automatically detecting man - made objects in areas of natural background is proposed

    摘要針對自然紋理背景,提出一種基於多尺度小波特徵融合的人造目標檢測方法。
  9. The feature parameter extraction methods of the underwater target are studied which can improve the performance of the underwater acoustic countermeasure equipments. several feature extraction methods such as the scale invariance feature extraction, target pole extraction fourier - mellin transform etc are investigated by computer simulations. the experimental results demonstrated the efficiency of these feature extraction methods in the applications of underwater target recognition

    對多種特徵提取方法如目標相對不變尺度特徵提取、目標極點特徵提取、目標信號的傅里葉?梅林變換特徵提取等進行了模擬研究,結果表明了這些特徵參數提取方法的有效性,具有良好的應用前景。
  10. At present, a historic transform of social structure is spreading out on a grand scale in china, which is the urbanization in china

    當前一場波瀾壯闊的歷史性的社會結構變革正在中國大地展開,這就是中國的城市化。
  11. It has such feathers as multi - resolution, constant relative bandwidth, and the ability to indicate the local features of signal in time and space. after wavelet transform by using proper wavelet basis functions, the epileptic waves can be separated at different scale, then we can detect the epileptic waves by using the wavelet transform result at the proper threshold value

    本文選取適當的小波函數,將信號進行連續小波變換,把腦電信號中的癲癇特徵波在不同的尺度下分離出來,然後選取特定尺度下的變換結果,通過閾值判定方法對棘波進行檢測。
  12. The paper makes use of multi - scale wavelet transform to detect the arriving time of the pressure wave to the both ends of the pipeline. the method could detect the break point of the signal, and could decrease the error bringing by the existing of impulse yawp

    使用多尺度小波變換捕捉管道兩端負壓力波的到達時刻,有效地檢測出了信號的突變,並能夠較好地克服由於噪聲存在而給定位帶來的誤差。
  13. The main work completed in the paper is listed as following : 1. image function acquisition -, 2. read bmp files by dib format ; 3. drawing gray scale histogram ; 4. choose a optimum threshold and make gray image become binary image -, s. find image ' s contour points by making inner points become empty and apply template matching on the contour points ; 6. transform the object ' s beginning points ( pixel point ) to the ones in the image coordinate and the positions of in the corresponding three dimensions ; 7. compute the position vector and the normal vector of the object

    選擇一個最佳闋值,把灰度圖像進行二值化處理; 5用掏空內部點法,找到圖像的輪廓點,然後在輪廓點上進行模板匹配; 6把輸出的目標物開始點(像素點)轉化成圖像坐標系中的點和對應的三維空間的坐標位置; 7計算目標物的位置矢量和法向矢量,根據機器人抓取面的法向矢量,找到機器人要抓取的平面; 8
  14. During late mesozoic and cenozoic, extensions were widespread in eastern china and adjacent areas. the induced compressions and extensions, uplifting and subsidence as well as large - scale magamatism, increased the pre - existing ne - nne trending faults, uplifts and subsidence belts. this is how ; the giant transform structure led to the formation of xihu depression

    在晚中生代與新生代,拉張作用廣泛分佈於中國東部及鄰區,導致了擠壓與拉張、隆起與沉降以及大規模的巖漿作用,於是使早先存在的北東北北東向斷層、隆起帶與沉降帶增強,這也是大的轉換斷層形成西湖凹陷地層的機理。
  15. Using wavelet - based multi - scale transform to detect infrared target, it is possible to acquire modulus image to segment citrus from background under direct sunlight conditions, whereas it is difficulty to identification because of the confusion of the reflected light from leaves under backlighting. the method is very sensitive to the ambient air condition, such as in condition b or c, the identification is very difficult

    用該方法可以較好地識別順光條件下採集的紅外熱圖像中的果實,而在背光條件下,由於位於樹冠邊緣的樹葉反射光較強或穿過樹冠的光使周圍的樹葉光反射較強,使果實在紅外熱圖像中的溫度或灰度低於反射光強的樹葉等部分,則不能識別。
  16. Developing vocational education in a large scale is an effective way to transform manpower resources into talent advantage, and in addition, the only way to change the condition of china ' s backward productivity in an overall level and enhance economic power and increase comprehensive national strength

    大力發展職業教育是把人力資源轉化為人才優勢的有效途徑,是改變我國勞動生產率總體水平比較落後的狀況,壯大經濟實力和提高綜合國力的必由之路。
  17. Wavelet transform is a kind of time - frequency analysis method in signal processing and is becoming more and more popular during these years. its multi - scale property, localization both in time and frequency domain, sensitivity to the abrupt change of signals, and good to denoising make it an ideal way for edge detection

    近幾年來迅速發展起來的小波分析,由於其具有時頻局部變換的特性及多尺度性,能敏感地反映突變信號及良好的去噪效果,因此能準確、有效地確定圖象邊緣位置,因此是一種理想的邊緣檢測方法。
  18. In this paper, we firstly design orientation filters based on directional image of fingerprint and employ them to denoise gray - scale image. then, we binarize the gray - scale image with local self - adaptive binarization smoothness algorithm and eliminate the noises from the binary image with fast fourier transform algorithm

    本文先基於指紋的方向圖設計出方向濾波器對原圖像進行濾波去噪,然後使用局部平滑閾值自適應二值化演算法,將灰度圖像進行二值化,並採用快速傅氏變換對所得到的二值化圖像進行去噪處理。
  19. At first, the thesis discusses the hardware implementing arithmetic of fast fourier transform ( fft ) and some correlative problems need to be solved. and according to the thesis " design demand and characteristic of large - scale programmable logic device ( pld ), the thesis designs an implementing scheme of fft processing machine based on pld

    首先,論文研究了快速傅立葉變換( fft )的硬體實現方法以及有限字長效應等問題,並根據論文的設計要求和大規模可編程邏輯器件的特點,設計了一個基於可編程邏輯器件的fft處理機實現方案。
  20. In order to resolve parallel shift, rotation and scale shift of images, parallel shift can be resolved by fourier transform ; rotation can be resolved by polar transform ; scale shift can be resolved by ln transform

    為了解決圖像平移、旋轉、比例變化對相關的影響,可通過傅里葉變換解決平移的問題;通過polar變換解決旋轉的問題;通過ln變換解決圖像比例變換的影響。
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