測驗特徵函數 的英文怎麼說

中文拼音 [cèyàntèzhǐhánshǔ]
測驗特徵函數 英文
test characteristic function
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 驗 : 動詞1. （察看; 查考） examine; check; test 2. （產生預期的效果） prove effective; produce the expected result
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 徵 : 名詞[音樂] （古代五音之一 相當于簡譜的「5」） a note of the ancient chinese five tone scale corre...
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 測驗 : test; trial run; examination; testing
  • 特徵 : characteristic; feature; properties; aspect; trait
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. On the bases of the galaxy evolution theory, we use the therotical chemical evolution model of three zone ( such as halo, thick disk and thin isk ) and multi - phase ( diffuse gas, molecular clouds, stars of both low and high mass, the remnants ). by comparing with the observational constraints, such assurface densities, age - metallicity relation, g - dwarf metallicity distribution in the solar neighbourhood and the correlation between [ a / fe ] and [ fe / h ], supernovae rates, infall rates. the rationality of the model is verified. based on the theory model, we calculate the abundance of neutron capture element

    本文正是在銀河系化學演化的基礎上，利用銀河系的三成分（ threezone ） （即暈、厚盤和薄盤）多相（ multi - phase ） （氣體，分子云，大、小質量恆星以及剩餘物質）的化學演化的理論模型，通過與觀測約束（質量面密度、場星的年齡-金屬豐度關系、太陽附近g矮星金屬含量分佈函數、三成份的特徵量、元素的星系化學演化、超新星的爆炸率、內落速率等）的比較，來檢驗模型的合理性。
  2. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達0 . 981 ，利用所建立的公式，建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  3. We first propose an improved local edge detector to detect road elements from sar images. by introducing prior information of road network, we can organize the local line fragment into useful line structure with directional potential function

    首先利用一種改進的sar圖像局部線特徵檢測運算元獲得公路段基元，然後引入關于公路特徵的先驗知識，利用方向勢能函數將局部線特徵組織成較大線性結構。
  4. Summer precipitation in northeast china ranging from 1960a to 2000a and ncep reanalysis data is applied to study the temporal and spatial features of summer rainfall and extreme precipitation in northeast china. the results show : 1 summer rainfall in northeast china exhibits upward trend with the cycle variation of 14 years and 2 to 4 years. two abrupt changes occurs in summer rainfall with its happening time on 1964 and 1988 / 89

    利用東北地區99個測站的1960 ? 2000年夏季逐日降水資料，以及ncep再分析資料，採用旋轉經驗正交函數、 morlet小波分析、合成分析等方法分析了東北地區夏季降水的演變特徵和降水異常的環流背景，得出主要結論如下： 1東北地區夏季降水存在著減少趨勢，並且有14年和2 4年的周期存在，降水發生過兩次突變現象，分別發生在1964年和1984 85年之間。
  5. Based on 1960 - 2000 daily temperature data of 99stations in northeast china and ncep reanalysis data, the spring temperature in northeast china is analyzed, and the results indicate : 1 the spring temperature in northeast china presents upward tendency and the cycle periods of 14 years and 4 to 6 years. meanwhile abrupt change is significant between the year of 1984 and 1985

    利用東北地區99個測站的1960 ? 2000年春季逐日平均氣溫資料，以及ncep再分析資料，採用旋轉經驗正交函數、 morlet小波分析、合成分析方法研究了東北地區和各不同區域春季氣溫的時空分佈、年際和年代際變化特徵、春季氣溫異常以及低溫過程的環流特徵，並得出主要結論如下： 1 、東北地區春季氣溫存在著上升趨勢，並且有14年和4 6年的周期存在，東北地區春季氣溫存在突變現象，出現突變的時間在1984 1985年間。
  6. One is using the autocorrelation function to detect the speech terminal, the other is using the coefficients based on the one - sided autocorrelation sequence to replace the original speech signal and then extract the speech feature to recognize. isolated word recognition experiment based on dtw shows : it can reduce the disturbance of noise effectively and get the high recognition rate. it is of great advantage to apply when snr signal to noise rate is low

    對含噪語音在自相關域上進行處理，以其自相關函數值為參數進行端點檢測，以基於單邊自相關序列的lpc倒譜系數作為語音的特徵參數進行語音識別，實驗表明：這種方法較好地消除了噪聲對語音信號的干擾，並獲得了較高的識別率。
  7. In the research, the system captures real - time images based on the sdk, and saves the image data into buffers which are created by the system. the important and primary parts are got using the programs which are designed to process and analyze the image data in the buffers, and the geometrical features such as area, perimeter, moment invariants and fourier descriptor, are measured. the parts are classified according to the threshold of each geometrical feature with the image database

    課題研究中，在設計的試驗平臺上，通過攝像頭和sdk開發包對零件進行實時圖像採集，並將其存入開辟的數據緩沖區內;由設計的圖形處理模塊對緩沖區內的數據採用各種演算法進行分析處理，形成研究中感興趣的重要圖像;調用圖像識別判斷模塊，主要提取了零件的周長，面積，慣性矩，傅立葉描繪子等形狀特徵參數，根據定義的識別函數，並結合圖像數據庫，進行零件識別或缺陷檢測。
  8. In the design of watermark encoder, through the combination of side information and watermark, our system also obtained the robustness against copy attack. ( 3 ) effort on obtaining the resistance to print / scan are made. to solve the geometrical distortion problem appeared during the process of print / scan, two schemes were proposed

    （ 3 ）對抗列印掃描的水印演算法做了一些研究和實驗，對于列印掃描過程中出現的幾何失真，本文提出了兩種解決方案，一種是利用矩函數提取圖像的特徵信息，並將圖像變換到規范化的空間，在此空間進行水印的嵌入和檢測工作，從而避免了幾何失真的影響。
  9. We do researches on constructing normal model of network traffic, analysizing self - similarity of network traffics - hurst parameter, and its time variable function h ( t ). experimental analysis confirmed the validity of the novel mechanism, limiting the extent of network traffic in time and detecting the ddos attack through measuring the change of h parameter brought by the attacks. moreover we use database to refine the ddos attack

    主要成果為： （ 1 ）對網路流量的自相似性? hurst參數、 hurst參數的時變函數h （ t ）進行分析，建立正常網路流量模型，比傳統的特徵匹配更準確描述了網路流量的特性； （ 2 ）通過實驗驗證了，基於正常網路流量模型，對網路流量進行實時限幅，由自相似性的變化來預測ddos攻擊方法的正確性； （ 3 ）對于不同的攻擊方式，我們使用不同的方法進行檢測，並用數據庫對流經的包頭信息進行統計分析，來對攻擊定位。
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