頻數函數 的英文怎麼說

中文拼音 [bīnshǔhánshǔ]
頻數函數 英文
frequency ffunction
  • 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
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 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. Then using wilson - # method and linearity acceleration method to calculate the earthquake time - history reaction of a base isolation buildings. the results indicate that the benc - wen model and the bilinear model can couvade the restoring - force character of the isolation bearings exactly well

    然後，以實驗模型在振動臺上受激勵，獲得加速度頻響函數的方式來考察我們選取的模型擬合效果，選取一個適合瀝青隔震墊的恢復力模型。
  2. In the process of solving, poles are obtained from recurrent formula, modal vector are obtained from superposition formula not residuary. decoupled equation is derived when vibration source is part correlation, severely coupling appears in the process of input and output then frequency response function cannot directly get according to method mentioned above, decoupling is first problem

    當輸入完全相關時，頻響函數無解，可繞過頻響函數，直接運用線性系統的迭加原理來求響應，極點由遞歸公式得出，模態矢量由疊加公式求出，而不是由留數求得的相應的公式。
  3. The method is as follows, at first, to calculate the frequency response function of structure corresponding every blasting syntony ponderance, then to calculate the response of structure under this syntony ponderance by using frequency response function, at last, the response of the whole system can be worked out by superposition

    計算方法是先計算每一爆破諧分量對應于結構的頻響函數，然後用頻響函數計算出結構在此諧分量下的響應，最後用疊加法得到整個系統的響應。
  4. Probability frequency function

    概率頻率函數
  5. Identification of joint parameters of structures using measured frequency response functions

    基於測試頻響函數的結構連接參數識別方法
  6. The main features of the frf of long span runyang bridge, which has 1 024 dimensions, can be extracted by 27 or 17 principal components, and the reconstruction error is acceptable

    對于大跨斜拉橋（潤揚長江大橋北漢斜拉橋）的1024維頻響函數可以僅用27個（或17個）主元來提取其主要特徵，精度可滿足工程需要。
  7. The dynamic behavior of a long span cable - stayed bridge ( north bridge of runyang yangtse river bridge ) is calculated, the frequency response function ( frf ) is compressed using principal component analysis ( pca ), and the frf is then reconstructed based on a few, principal components

    摘要針對潤揚長江大橋北漢斜拉橋進行動力分析，採用主元分析對其頻響函數進行了有效降維，並根據降維后的主元重構了結構頻響。
  8. For focus measures, frequency spectrum functions, gradient functions and entropy function are analyzed in detail

    其次，本文從頻譜函數、梯度函數、熵函數等方面詳細分析了對焦深度法中常用的對焦評價函數。
  9. Structure state identification by neural network based on frequency response function

    基於頻響函數的結構狀態識別神經網路方法
  10. As a classical and practical method in ambient vibration experimental modal analysis, auto - cross spectrum density method replace the frequency response function with power spectrum and achieve its mode shape from transmissibility between the response signals and reference signal

    自互譜法作為環境激勵實驗模態分析的一種實用的經典方法，用響應點和參考點間的功率譜曲線來代替頻響函數曲線，並由響應點和參考點之間響應的傳遞率得出振型。
  11. ( 1 ) equation is deduced when input is complete correlation, frequency response function has not solution ( order of numerator of polynomial need not be defined ). we can directly use superposition principle of linear system to obtain response without solving frequency response function

    （ 1 ）當輸入部分相關時，輸入矩陣為非對角矩陣，其頻響函數不能直接求得，本文推導了解決此類問題的公式。
  12. Algorithm of attribute reduction based on attribute frequency function in rough set

    基於屬性頻率函數的粗糙集屬性約簡演算法
  13. Through the study in the data reduction, this paper presents a new reduction algorithm named horafa - svdm and an incremental algorithm of the heuristic optimal reduct finding algorithm of the frequencies function named horafa ? a

    本文通過在數據約簡方面的研究，提出了對利用屬性頻率函數的啟發式約簡演算法的改進演算法? ? horafa ? svdm演算法，以及這個演算法的增量版本? ? horafa ? ia演算法。
  14. According to the results of the experiment, the paper discusses the question that it takes too much time in the finding reduct when this kind of the algorithm is used in the data set without core. an adaptive model horafa - a is constructed with the heuristic optimal reduct finding algorithm presented in the paper

    同時根據實驗討論了該類演算法對于無核數據集所存在的需要大量時間求約簡的問題，在這個問題的探討中，本文結合上述利用屬性頻率函數的啟發式約簡演算法提出了一個可以實現演算法自適應的模型? ? horafa ? a 。
  15. In the field of discretization, frequencies function is imported to the ns algorithm and the new reduct finding algorithm are shown. a new concept - - - - - - candidate core and a new algorithm based on it are presented to solve the question in the ns algorithm with the heuristic reduct finding algorithm

    在離散化方面，將屬性頻率函數引入到ns演算法中，提出了相應的約簡演算法，同時為了解決啟發式約簡演算法在ns演算法中存在的問題提出了新的概念? ?候選核和基於候選核的bcc演算法。
  16. Firstly, a systematic study of lots of paper is made, modal analysis method that accord to frequency response function is introduced

    本文首先在綜述大量相關文獻的基礎上，系統總結了根據系統頻響函數進行模態分析的方法。
  17. An accurate modal superposition method for calculating frequency response function of viscoelastically damped structures

    粘彈阻尼結構頻響函數計算的高精度模態展開法
  18. Frequency response function ( frf ) contains abundant structural dynamic characteristics, but the high redundancy and the huge data confine its application

    結構的頻響函數包含了更豐富的結構動力信息，但數據量大、冗餘度高，不利於工程應用。
  19. The error analysis shows that the main features of frf can be extracted by using less principal components, and the more the principal components, the more precise the reconstructed frf

    誤差分析表明，可以用較少的主元向量來綜合表徵高維的結構頻響函數；並且選取的主元個數越多，對頻響函數的表徵越精確，重構誤差也越小。
  20. Then how to work out the frequency response function of various blasting system is particularly intr oduced

    然後詳細介紹了各種震動系統的頻響函數的求解方法。
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