統計特性 的英文怎麼說

中文拼音 [tǒngjìtèxìng]
統計特性 英文
statistical characteristic
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 計 : 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...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 統計 : 1 （對有關數據的搜集、整理、計算和分析） statistics; census; numerical statement; vital statistic...
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. Statistical analysis of the forced response of random mistuning bladed disk

    隨機失諧葉盤系統受迫振動響應的統計特性研究
  2. Second, this paper analyzes the time - frequency distribution of the clutter from airborne pulse doppler radar ( pdr ). the side - lobe clutter, which is the main factor to influence the pdr, is analyzed and calculated. based on the simulation of typical geometry of the land, we analyze and discuss the side - lobe clutter and concluded that the dft of can be considered as the phase of the coho

    並且根據各種典型地貌的近似模擬，從統計特性上和頻率域上對脈沖多卜勒雷達的旁瓣雜波進行了分析討淪，還得出脈沖多卜勒雷達的dft可以近似地看作相參積累，並在程序的編制中利用了這一個結論。
  3. In this paper, we made an investigation into texture feature extraction and classification based on statistic method and its application in multi - spectral image classification. the research works of this paper have been done as follows : firstly, in order to overcome the weakness of gray level co - occurrence matrix ( glcm ), a new unsupervised texture segment algorithm, based on multi - resolution model, is presented in this thesis

    本文主要研究了基於紋理統計特性的特徵提取與分割方法，並將其用於實際的多光譜圖像分類，具體工作如下:第一，針對傳統灰度共現陣方法中特徵提取的尺度單一問題，本文提出了一種多分辨無監督紋理分割演算法。
  4. Research on wind is the precondition of wind response, then the section plane of static wind, intensity of onflow, psd function and correlativity of dynamic wind are involved in

    對風的研究是進行風振響應研究的前提，風的基本特徵包括平均風速剖面、湍流強度、脈動風功率譜密度函數、脈動風的空間相關性以及極端風速的概率統計特性。
  5. Shortwave channel is time varying transmission channel. it has dispersion in frequency and time domains. this characteristics hinds the data transmi - ssion at high speed and the correction of received data. in this dissertation i have analyzed the statistic characteristic of shortwa - ve channel, established the model of shortwave channel and simulated the rayl eigh fading distribution. the technology of spreading spetrum has been proved that it has the capability for anti - multipath and discerning multipath

    在短波通信中，由於通道的時間色散和頻率色散，引起多徑展寬和多徑衰落，前者限制了數據的傳輸速率，後者造成短波數據通信中出現突發錯誤，為了解決多徑效應對短波通信的影響，本文所做工作如下：首先詳細分析了短波通道的統計特性，建立其數學模型；其次分析了擴頻通信的特點，從理論上證明擴頻技術不僅具有抗多徑干擾能力，而且具有分離多徑的能力；介紹了傳統的rake分集合併技術的特點。
  6. Subject to the limitations mentioned above, these remarkably simple equations describe the statistical nature of the laser field.

    在上述限制條件下得到的這些相當簡單的方程，描述了激光場的統計特性。
  7. We discuss the characteristic of wireless channel and hf " s at the forepart of the paper and, analysis several typical model about hf channel, and consider the math representation and statistic characterization, after that we select watterson hf channel model as the simulated model in this paper

    在論文開始我們討論了無線通信通道的傳播特性和高頻通道的傳播特性，分析了高頻通道的數學表述和統計特性，最後我們選擇了watterson高頻通信模型作為本論文的模擬和模擬模型。
  8. The calculation results show that the method designed is quite satisfactory. the models can reproduce the annual precipitation sequence and monthly precipitation sequence. and then the regional aridity index can be estimated statistically, in addition, they can reproduce the characteristic of history precipitation series

    這兩類模型分別用於生成模擬年降雨量序列和月降雨量序列作為地區乾旱指標序列，從而對所研究地區乾旱特徵量的統計特性進行估計，並對已發生的地區乾旱的重現期進行識別。
  9. Based on statistic property of all sub - bands coefficients, this paper gives a lossless image coding scheme including dpgm, huffman coding and run length coding. this scheme reduces the calculating complexity and works highly efficiently

    針對圖像整數小波分解后的各子帶系數的統計特性，提出結合dpcm ， huffman及遊程編碼的無損圖像編碼方法，該方法運算簡潔，速度快，易於硬體實現。
  10. Statistic characteristic of dynamic elasticity

    動態彈性的統計特性
  11. A new image quality assessment criterion is suggested on the basis of the statistical features of the gray - level histogram of images to control the iterative procedure of the proposed image enhancement algorithm

    同時為了結束迭代增強，基於圖像灰度直方圖分佈的統計特性，提出了一種客觀的圖像質量評價指標。
  12. Great attention has been paid on the study of random surfaces in many scientific and technological fields such as the growth fronts of thin films, surfaces of fabricated optical devices, and the fractured cross - section of materials, etc.

    粗糙隨機表面統計特性的研究是一個多年來倍受關注的問題，這一問題在如動力學的材料生長界面，由大的沖擊而產生的斷裂面，光學元件設計等諸多物理領域具有重要的意義。
  13. The detail is clarified as follows : l ) based on the chaotic technology and contemporary encryption approach the paper put forward a new chaotic sequence, which introduced the m - sequence and the method of shrink key - the stream generator. the complexity of the sequence was promoted as the random alteration of the parameters of chaotic mapping, and at the same time, the shrinking key was used to enhance the security further more ; 2 ) the performance of one - way hash function was improved and new hash function construction methods are proposed through a novel hash method based on chaotic mapping and the aes - the rijndael algorithm. the algorithm of hashing messages of arbitrary length into 256 bits hash values was designed

    按照這種方法，輸出序列的周期性得以大大提高，理論分析和計算機模擬結果表明，該方法可以產生具有良好統計特性的密鑰流，而且易於軟硬體實現： 2 ）實現了一種基於混沌映射和分組密碼rijndael演算法的單向hash函數的構造方法，即使用logistic混沌映射產生混沌二值序列，序列的分組與明文序列分組進行按位異或后，進入rijndael加密模塊，所得的結果再加入到反饋端，參與下一分組輸入的異或運算，迭代結束時的rijndael加密結果即為所求的hash函數值。
  14. After investigating statistical property of the interferogram, the problem of interferogram phase denoising filtering is discussed. the filtering can be aimed at not only the complex image, but also the phase image

    分析了干涉圖相位統計特性，討論干涉圖相位降噪濾波問題，濾波可以針對干涉復圖像進行，也可以直接對干涉相位圖進行。
  15. The approximate polynomial method was based on neuber ' s method, the cyclic stress - strain responses and neuber ' s rule were treated as probabilistic curves, and the statistic characteristic was obtained from the approximate polynomial. the method is fast and easy for engineering application

    近似的多項式擬合法在諾伯法的基礎上，將循環應力應變曲線和諾伯雙曲線視為概率曲線，通過建立近似多項式的方法，求得局部應力應變的統計特性，快速簡便，適合工程應用。
  16. According to this article ' s research and relative literatures, the test of market efficiency must combine the test of price time series " statistical properties with pricing models

    根據本文的研究並結合有關的文獻，本文認為市場有效性的檢驗必須是價格序列統計特性檢驗與定價模型的聯合檢驗。
  17. To find the failure propagation mechanism from the inherent topological structure of the complex electromechanical system, the topological structure statistical properties of the system were analyzed with small world net theory, and a failure propagation model based on the small world clustering was proposed

    摘要為了從復雜機電系統自身固有的網路拓撲結構出發來研究故障的傳播機制，採用小世界網路理論分析方法，對系統網路拓撲結構統計特性進行分析，建立了基於小世界聚類特性的故障傳播模型。
  18. A brief introduction of synthetic aperture radar ( sar ) and the application of sar image data in the research of crest length distribution is introduced. the method to compute the action of random waves with different crest lengths on vlfs. is also reviewed

    對星載合成孔徑雷達及其在波峰長度統計特性研究中的應用以及不同波峰長度海浪對超大型海上結構物的作用作了一個簡單的介紹，闡明了下一步的研究工作的思路。
  19. Real time seafloor tracking technique is the critical technique to ensure smooth seafloor surveying with full coverage and high efficiency. after detailed investigation on stochastic features of seabed reverberation produced by mbss systems, the author presented an algorithm and a set of relevant key coefficients for real time seafloor tracking, taking into account of characteristics of signal processing and timing sequence of the real system and introducing theorems of terrain surveying. as an achievement, a mathematical model was established based on the technique of centered filtering

    海底地形實時跟蹤技術是保證多波束測深系統實現高效率全覆蓋水下地形測量的核心技術，作者通過對多波束測深系統海底回波信號統計特性的研究，依據地形測量理論，並結合實際系統信號處理的技術特點和處理時序，提出了實現海底跟蹤控制的關鍵參數及計算方法，建立了基於中值濾波技術的海底地形實時跟蹤數學模型，並開發出實時地形跟蹤專家系統，該系統經多次海上實驗驗證表明：理論正確、方案可行，取得良好效果。
  20. La dead reckoning algorithm has been developed based on the doppler velocity log ( dvl ) and fiber optic gyrocompass. 2. since the basic kalman filter will become lapsed, strong tracking filter theory has been inducted, and a new strong adaptive kalman filter algorithm has been developed. further more an adjust gene has been imported, and gets a new arithmetic

    針對傳統的卡爾曼濾波演算法中由於噪聲統計特性未知而容易引起的濾波發散的缺點，引入強跟蹤濾波理論，提出了帶次優漸消因子的擴展卡爾曼濾波演算法，並進一步對該演算法進行改善，加入了調整因子，使濾波演算法得到較好的改善。
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