頻數直方圖 的英文怎麼說

中文拼音 [bīnshǔzhífāngtú]
頻數直方圖 英文
frequency histogram
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 圖 : Ⅰ名詞1 （繪畫表現出的形象; 圖畫） picture; chart; drawing; map 2 （計劃） plan; scheme; attempt 3...
  • 方圖 : fanthou
  1. Based on it, the monte carlo simulation is implemented for the octahedron parallel machine tool, and then the statistical frequency histogram is given

    在此基礎上，對八面體並聯機床的位姿誤差進行了montecarlo模擬，給出了統計頻數直方圖。
  2. Aiming at five kinds of targets from geneva lake which are rock, sand, pebble, grit and sullage, the features we extracted based on the cwt time - frequency matrix are singular values, some parameters of histogram and invariant moment

    針對萊蒙湖底的巖石、沙、卵石、砂礫、淤泥等五類目標，文中所提取的特徵主要有時頻矩陣的奇異值、直方圖的有關參數以及不變矩等三類特徵。
  3. Given a table of raw data, the six sigma black belt should be able to prepare a frequency tally sheet of the data, and to use the tally sheet data to construct a histogram

    給出一份原始數據表， 6西格瑪黑帶應能作出一份數據頻次表，並且能使用這頻次表構建一份直方圖。
  4. Two kinds of method to divide the photo into blocks are presented in the dissertation, then the techniques of appending zero, dct transform and changing low frequency coefficents are utilized to hide information ( in fact, information is masked in dc components ). so information is hided in the low frequency domain of a photo. furthermore, good quantity evaluation is got after compared with original photos

    本文通過對原圖像分別使用兩種分塊方法進行分塊，然後通過補零， dct變換，改變低頻系數來進行信息隱藏（實際上是在直流分量上隱藏信息） ，實現了在低頻域進行信息隱藏的目的，且使得隱藏后的圖像與原圖像相比具有較好的質量評價。
  5. As the military and industry is developing dramatically, to enhance the low - contrast digital image has become one of the important areas in image processing. there are two traditional methods to enhance the low - contrast digital image : the methods based on frequency and the method based on time. the histogram enhancement, the most popular way to enhance, is representing the latter one ; while the methods based on frequency often uses wavelet transform, ft ( flourier transform ), dct ( discrete cosine transform ) to enhance

    隨著軍事和工業上的發展需要，低對比度數字圖像的增強越來越成為數字圖像處理中的一個重要領域，傳統的增強方法分為頻域法和空域法兩大類，其中空域法的代表為直方圖增強法，這也是最為流行的增強方法，頻域法中用的較多的是基於小波變換，傅立葉變換和離散餘弦變換的增強方法，本文介紹的是基於小波神經網路的頻域增強法。
  6. The characteristic and key technologies of the system are as follows : ( 1 ) in realizing the live broadcast of audio and video, the problem of immense multimedia data and low networks bandwidth utilization ratio is solved by using mpeg - 4 as format of audio and video data. audio and video data are collected by video card cv500 which developed by beijing sum tone company ; meanwhile, the contradictory between the delay of networks transmitting and the quality of the image is well solved by setting a " bi - buffer area "

    系統實現中解決的關鍵問題和特色主要有以下幾個方面： （ 1 ）在視音頻直播功能的實現中，通過使用北京算通公司的cv500視頻採集卡和cv500sdk進行視音頻數據採集，並採用當今最新的圖像和語音編碼壓縮標準mpeg - 4作為視音頻數據的採集格式，既保證了圖像的質量，又大大縮減了視音頻所佔的帶寬，從而解決了多媒體數據量大、網路帶寬利用率低的問題；同時，通過設置環形緩沖區的辦法來調和網路傳輸延時與圖像質量之間的矛盾，取得了較好的效果。
  7. Second, the bar of the frequency - distribution and the curve of lorenz and the g coefficient are talked about the spatial distribution of day to day precipitation. the results show that the heterogeneous of day precipitation is strong on every day in a year. the spatial distribution model is left skew all in four seasons and it is different from the monthly precipitation

    其次利用全國700個測站逐日降水資料的空間分佈頻數直方圖及洛倫茲曲線和基尼系數闡述了我國逐日（ 24小時）降水非均勻性的事實，直方圖顯示全國范圍內逐日降水的水平空間分佈型在四季都是一種明顯左偏態型，與月降水量的水平空間分佈型略有不同；基尼系數值的月際變化也與月降水量的變化相反。
  8. Lastly, aiming at the poor results which all current algorithms do for directional textures, and cannot synthesis texture directly, aiming at the particularity of this kind of textures, we bring forward the conceptions of non frontal parallel textures and frontal parallel textures. by analyzing texture ' s direction through fourier spectrum, we introduce the conception of main direction, and solve the approximation value of texture ' s main direction by discrete approximated approach. by this way, we can synthesis indirectly simple structural non frontal parallel textures

    最後針對現有演算法對帶有方向的紋理合成效果差，無法直接合成紋理圖像的難點，本論文首先提出了非正平行紋理與正平行紋理的概念，分析了它們之間的內在聯系，引入了兩個角度參數來描述紋理的朝向，採用傅立葉頻譜法分析紋理的方向特性，並提出了紋理主方向的概念，本論文引入離散逼近的方法來求解出紋理主方向的近似值，這樣我們就能用一種間接的方法合成簡單的結構性非正平行紋理。
  9. Radar imaging of ocean - going ships is difficult to get good images because of the complicated relative motion, so time - frequency analysis is performed for ship imaging with the isar real data in chapter 3

    由於雷達與艦船之間相對運動的復雜性，直接成像得到的圖像質量較差，論文第三章用時頻分析的方法，對實測數據的艦船成像進行了研究。
  10. Second, a jeffcott rotor model supported by two seals bearings in its two ends is established to simulate the shafting of simple turbines ( only short - and - straight - blades are included in the shafting ). and periodical response of the system is obtained by using the newmark method. then, the dynamic characteristics of rotor system at the certain rotate speed and the certain physic

    其次，建立了一個用來模擬簡單汽輪機軸系（只含有短直葉片）的兩端用滑動軸承支撐的jeffcott轉子模型，並用newmark方法求得了系統的周期響應，根據系統的周期響應、 poincare映射圖、頻譜圖、分岔圖等，分析了系統在特定轉速及特定的轉子系統參數下的運動特徵。
  11. Our main work is as following : ( 1 ) research many methods to estimate blur parameter, carefully analyze the blur function of straight line motion with constant velocity, put forward a method to estimate blur parameters by zero value points according to the blurred images " spectrum

    主要工作如下： （ 1 ）研究了多種估計退化參數的方法，並仔細分析了勻速直線運動模糊圖像的退化函數，根據其頻譜的特點提出了用零值點方法來估計退化參數。
  12. ( 2 ) the three numeric methods, including formula method, histogram method and feature vector method, of calcucation invariant probability distribution for chaotic map is derived, and their characteristics are discussed each other, these results of the computer simulation are in agreement with those of theoretic analysis. ( 3 ) the principles and methods of chaotic communication are reviewed and commented systematically. first, several main chaotic synchronization methods are discussed, then the methods and ways of chaotic communication are explored, including analogue chaotic communication, digital chaotic communication and direct chaotic communication. this is the article basis, and it startes from follow - up case study

    所做的工作總結如下： （ 1 ）綜述了混沌現象及其理論的相關問題並對碼分多址通信系統的擴頻地址編碼與混沌序列、混沌同步與系統保密性等問題作了討論； （ 2 ）研究了計算混沌映射不變分佈的三種數值方法，即：公式法、直方圖法以及特徵向量法，並比較了各自的優缺點，計算機模擬結果與理論分析結果相符。
  13. Compare the performance of various manufacturers codecs, including coded video bit stream syntax verification, continuous real - time histogram of video code types, and calculated performance parameters

    比較各個製造商編解碼器的性能，包括編碼的視頻比特流句法驗證，視頻代碼類型的連續實時直方圖，以及計算后的性能參數。
  14. In addition, the season and interannual variations of weibull parameters are examined and the corresponding climatological interpretation is studied. 3 thirdly, the partitioned places are verified of the spatial distribution of day to day precipitation

    另結合各區的形狀參數和頻數直方圖發現，在小范圍內降水量的空間分佈有很多時候並非左偏態分佈，這正好說明了降水的非均勻性存在一個空間尺度的問題。
  15. The states appear in a histogram in order of popularity from left to right ; if the number of states that you choose to display is fewer than the total number of states in the attribute, the least popular states are displayed collectively in gray

    各種狀態按使用頻率高低自左到右顯示在直方圖中；如果選擇顯示的狀態數少於屬性的狀態總數，則使用頻率最低的狀態將集中以灰色顯示。
  16. The following algorithms are proposed : 1. an algorithm of shot segmentation is proposed. firstly, the data in each frame is quantized in hsv model ; then based on histogram of each frame, the difference of adjacent frames, the difference of cumulate frames and the percentage of the frame difference in a defined window are computed ; furthermore, the adaptive average in a window, the adaptive thresholds and sliding windows are obtained

    具體內容為: 1 .在鏡頭分割中，首先將視頻幀數據在hsv顏色空間下進行量化降維，隨后依據直方圖的統計特性，計算連續幀差值，累加幀差值及窗口幀差比，並以此確定自適應窗口均值、多個動態閾值及滑動窗口進行突變鏡頭和漸變境頭分割。
  17. The mean of pixel numbers in rice particle area, which represents yellow color, was selected as a color criterion to distinguish yellow rice kernels from the standard ones by comparison of these two kinds of rice images with a hue histograms

    通過對標準米和黃粒米圖像色調直方圖的分析和研究，提出了以黃色區域的頻度均值作為特徵參數，區分標準米和黃粒米。
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