累計頻數圖 的英文怎麼說

中文拼音 [lěibīnshǔ]
累計頻數圖 英文
cumulative frequency diagram
  • : 累Ⅰ形容詞(疲勞) tired; fatigued; weary Ⅱ動詞1. (使疲勞; 使勞累) tire out; wear out 2. (操勞) work hard; toil
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : 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...
  • : 數副詞(屢次) frequently; repeatedly
  • : 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...
  • 累計 : 1. (總計) accumulative total; grand total2. (加起來計算) add up
  1. The studies of in - layer heterogeneity are as follows : the text depicts the characteristics of heterogeneity by calculating the coefficient of variability, kmax / k and k. max / k. min of sand layers of different sedimentous microfacies ; divides interlayer into two types, and counts their numbers, thickness, frequency and density of a single sand layer according to the characteristics of lithology and logging, finally summarizes the characteristics of interlayer distributing ; sets up five in - layer heterogeneity models and points out that the primary models are model a and c. the studies of between - layer heterogeneity are as follows : the text depicts sand layers " growth and distributing conditions by calculating the lamination factor, sandstone density and overlap coefficient ; makes certain the lithology and thickness of interlayer by the method of contrasting the typical curves

    層內非均質性研究,通過算不同沉積微相砂體滲透率的變異系、突進系以及級差來說明主要儲集微相的非均質特徵;據巖性及電性特徵,將層內夾層分為兩類,統單砂層段內夾層的個積夾層厚度、夾層率及夾層密度,並且根據夾層率及密度平面分布出每層的率相對高值區和低值區,總結夾層分佈特徵;根據物性參隨深度的變化趨勢建立了五種儲層層內物性非均質模式,指出研究區內以a型和c型模式為主。
  2. The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker, and establishes a radar signal simulation model, including radar emitting signal model, receiving signal model, receiving echo signal model, clutter model, noise model, sum channel directional pattern of antenna model, difference channel directional pattern of antenna model, sheltering model, rcs model, glint noise model, etc. the second section studies signal processing of pulse doppler radar seeker, and establishes radar signal processing mathematical model and data processing mathematical model for simulation, including windowing, doppler filtering, envelope demodulation, pdi, cfar, centering, velocity tracking, angle tracking, a - b filtering, etc. the third section studies the modeling of modified proportion guiding, and establishes guiding model, then dynamic simulation results is provided

    論文的主要工作包括四部分:第一部分研究了脈沖多普勒雷達導引頭的信號建模問題,建立了雷達信號模型,主要包括:發射信號模型、接收信號模型、目標回波信號模型、雜波模型、噪聲模型、和差通道天線方向模型、遮擋因子模型、接收機噪聲模型、目標雷達截面積統性模型、目標角閃爍模型等。第二部分研究了脈沖多普勒雷達導引頭的信號處理模式,建立了信號和據處理模型,主要包括:加窗和多普勒濾波、包絡檢波、檢波后積域cfar處理、速度定心、速度跟蹤、角跟蹤、 ?濾波等,然後給出了信號處理流程。
  3. 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,首先將視據在hsv顏色空間下進行量化降維,隨后依據直方的統特性,算連續幀差值,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。
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