frequency response function 中文意思是什麼
frequency response function
解釋
頻率反應函數-
The frequency response function includes an aerodynamic transfer function.
頻率的主函數包括主動力傳遞函數。 -
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。 -
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。 -
The signal process function of the software include these function : digital filter, windowing, auto - correlation function and cross - correlation function, mean and variance, probability density function and probability distribution function statistic ; auto - power spectrum, cross - power spectrum, frequency response function, coherence function, cepstrum analysis based on fft ( fast fourier transfer ) ; joint time - frequency analysis based on stft ( short - time fourier transfer )
軟體的處理功能包括：數字濾波、時域加窗、自相關與互相關處理、均值和方差計算、概率密度和概率分佈函數計算；在快速傅立葉變換（ fft ）基礎上計算自功率譜、互功率譜、頻率響應函數、相干函數、倒頻譜分析；基於短時傅立葉變換（ stft ）的聯合時頻分析等。 -
To solve it, the differential equation set is transformed by fourier transform and the dynamic differential equation in the form of matrix is educed. the calculation formulas of frequency response function of vehicle vibrating system, acceleration power spectrum density function are put forward
用分析力學法建立整車動力學模型，推導出以矩陣形式表示的運動微分方程，並通過傅氏變換給出汽車動力學系統的頻率響應函數、加速度功率譜密度函數的計算公式。 -
Information of system auto and cross spectrum, auto and cross correlation. coherent function, signal to noise ratio, frequency response and impulse response was established to help the study and arrangement of the module components
由力規及加速規兩量測之時域訊號，經快速富利葉轉換，計算其自頻譜及互頻譜，再經反富氏轉換回時域之自相關及互相關函數、相通函數、訊噪比、頻率響應函數、脈沖響應函數。 -
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。 -
With the consideration of the vertical wave effect of soil and soil - pile interaction, an approximate analytical solution to vertical vibration of pile system with variable impedance in visco - elastic layered soil is developed. a simplified and practical mathematical model for interaction between soil layers is proposed, and its applicability is theoretically investigated. based on this model and by using laplace transforms and the transmit property of impedance function, the analytical expression of the impedance function and solutions of the displacement and velocity response function in frequency domain and in time domain at the pile head are derived
4 、從三維軸對稱土模型出發，對考慮樁土耦合作用、土層層間聯系以及樁周土豎向應力梯度變化條件下的成層粘彈性土中完整樁及變阻抗樁系統縱向振動問題進行了研究，提出了成層土中變阻抗樁系統縱向振動問題的近似解析解法和樁周土層層間相互作用的簡化而實用的數學模型，並利用拉氏變換和阻抗函數的傳遞性，獲得了成層土中任意段變阻抗樁樁頂阻抗函數的解析表達式，以及樁頂速度導納和時域速度響應解析解和半解析解。 -
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 -
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。 -
( 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。 -
Abstract : in this paper, we study the random equation to elastic caminal rectangle plate under single concentrated random load by random vibration theory, and discuss the dynamic response to it by separating the variable, and study the frequency response function and unit pluse response function to the load and response
文摘:運用隨機振動理論，推導了彈性矩形薄板在單個隨機集中載荷下的振動方程，並用分離變量法討論了其動力響應，研究了對應于激勵與響應的頻率響應函數和單位脈沖響應函數。 -
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。 -
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 -
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。 -
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。 -
A method for pile quantitative analysis with frequency response function
基樁質量定量分析的頻響函數法 -
Several techniques for the frequency response function fitting by ordinary power polynomials
用冪基多項式擬合頻響函數的幾點技巧 -
At last, the process and method of structure response under blasting vibration stimulation by using frequency response function are explained
最後說明了用頻響函數來計算結構在爆破震動激勵下的響應的具體步驟及方法。 -
By deducing the theory of this method, it comes to a conclusion that auto - cross spectrum density method is much the same as peak picking method based on frequency response function. and it also talks about the virtues and defects of the method
本文通過對相關理論的推導，說明了自互譜法與基於頻響函數的峰值攝取法是近似相通的，同時對該方法的優缺點作了敘述。
分享友人