frequency response analysis 中文意思是什麼

frequency response analysis 解釋
頻率特性分析
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  • response : n. 1. 回答,答復。2. 【宗教】應唱聖歌。3. (因刺激等引起的)感應,反應,反響;應驗;【物理學】響應;【無線電】靈敏度,感擾性;特性曲線。
  • analysis : n. (pl. -ses )1. 分解,分析;【數學】解析。2. 梗概,要略。3. 〈美國〉用精神分析法治療(= psychoanalysis)。
  1. The prestress and harmonic response analysis method is used to study the unbalance response of a turbo - generator rotor and the displacement - frequency curve at a point of the rotor as well as the sress and strain at an appointed frequency are provided

    摘要利用預應力及諧響應分析的方法研究了轉子的不平衡響應,得出在某頻率范圍內,轉子在指定點處位移對頻率的響應曲線以及在指定頻率處,整個轉子上的應力、應變響應的影響等。
  2. According to experimental data and related standard, the finite element model of frame has been set based on its geometric model through simplified processing, selecting element, dividing mesh grids, load cases setting and putting characteristic etc. on the basis of this, the integrated finite element model of motorcycle has been established including frame, engine, suspension, wheel, rider and oil box etc. to understand the relationship and dynamic property of frame and integrated motorcycle, mode analysis and frequency response analysis have been done

    根據實驗測試數據和有關標準規范,以總體設計階段得出的車架幾何模型為基礎,通過模型簡化、單元類型確定、網格劃分、工況設置、邊界處理、物理特性賦予等,建立車架的有限元模型。並基於此,建立整車的有限元模型,包括車架、發動機、懸架、輪胎、乘員、油箱等。
  3. 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。
  4. In the end, the main content of this dissertation is addressed. in chapter 2, based on the analysis of present vibrator ' s principle and structure, two kinds of transfer functions and frequency response curves of the vibrator, driven by voltage feedback power amplifier and current feedback amplifier, are given separately. and turnover frequencies between different frequency rangs are also given

    第二章分析了標準振動臺的工作原理和結構,在此基礎上,建立了標準振動臺的機械和電氣方程,給出了恆壓源和恆流源功放激勵下的振動臺傳遞函數及幅頻、相頻特性曲線,列出了不同頻段間的轉折頻率。
  5. Experimental results indicate that frequency response specialty and the response analysis are easy to get

    實驗結果表明,利用阻抗法,容易得到構造物的頻率響應特性,應答分析也簡單。
  6. In this paper, through the self oscillation analysis and the earthquake response analysis, the frequency, the oscillation mode, the transverse and vertical earthquake response of the different cable form projects and the relevant single - layer spherical latticed shell were compared, the effect of different cable form projects to the structural dynamical stability was obtained

    本文對選定的三個布索方案進行了自振特性分析和地震響應分析,比較了各方案的頻率、振型以及橫向和豎向地震反應,並和相應單層球面網殼進行了對比,得到了布索圈數對結構動力性能的影響。
  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. The low voltage impulse method, frequency response analysis method and short - circuit reactance method, which can be used to measure and diagnose the deformation of power transformer winding, are introduced in the paper

    目前,監測變壓器繞組變形的方法主要有低壓脈沖分析法( lvi ) ,頻率響應分析法( fra )和阻抗分析法。這些方法都需使變壓器退出運行,在變壓器離線情況下對變壓器繞組變形進行測量的。
  9. Analysis the sound quality effect by the frequency response of speakers. and put forward compensate the frequency response of speakers using equalizer. compressor, expander, limiter and noise gate are important for the audio system, this paper also introduce them, and describe how to use them

    然後簡單介紹了音頻系統和組成,敘述了揚聲器的頻率響應特性及其對音質的影響,提出使用均衡器補償揚聲器頻響特性的方法;動態范圍壓縮器、擴展器、限制器在音頻系統中也起著重要的作用,本文也對其做出了介紹,並闡述了它們的用途和使用方法。
  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. ( 3 ) introducing the proportional damping, the finite element formula of structural - acoustic coupled system lined with sound absorbing materials is obtained. mode - superposition technique for modal frequency response analysis of coupled structure - acoustic systems is also used to deal with the sensitivities of the eigenvalues and eigenvectors of coupled systems for the purpose of reducing cavity interior noise in theory

    討論了阻尼降噪問題,建立了有阻尼聲振耦合系統的有限元模型,採用振型疊加法,將系統位移轉換到以固有振型為基向量,進行結構壁面有吸聲材料的聲振耦合系統響應的有限元分析與靈敏度分析,推導了比例阻尼條件的靈敏度計算公式。
  12. Theory analysis and practical measurements of response characteristics are done about two couplers. from the aspect of capacitive coupling, the frequency response characteristics of two sensors are assessed in terms of square wave response. at the same time, the amplitude - frequency relationship characteristics are calculated on the base of antenna model

    對所研製的兩種內置傳感器響應特性進行理論分析與實際測量:從電容耦合原理角度採用方波響應分析傳感器及整個測試系統的頻率響應特性,從天線模型角度分析幅頻響應特性,局部放電實測結果也驗證了設計的傳感器的性能優良。
  13. Modal analysis, frequency response analysis, random vibration analysis and vibration fatigue analysis are carried out based on the modified finite element model. the first natural frequency of pcb is 57 hz, and the dynamic response in the first natural frequency is the largest. weak points are also found

    為分析該印製電路板可靠性及設計缺陷,需對修改過的有限元模型進行模態分析、頻率響應分析、隨機振動分析及疲勞壽命分析,以全面了解該印製電路板的動態特性(包括:印製電路板的固有頻率、隨機振動響應情況) ,以及存在的薄弱環節。
  14. 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。
  15. Then presented the basic structure, phase model, frequency response and performance analysis for noise and spur, of phase locked loop ( pll )

    然後介紹了鎖相環( pll )的基本結構、相位模型、頻率響應、噪聲及雜散性能。
  16. Frequency response analysis has been performed for the mast

    並對結構的頻率響應進行了分析。
  17. Sixth, low - order natural frequency has being obtained by the mode analysis experiment of machine tools, the dynamic parameters of combination surface jointed by bolts were identified by the synthesis of fea, optimal algorithm and harmonic response analysis

    6 .研究了如何利用由實驗模態分析測得整機的低階固有頻率,通過將有限元分析和優化演算法、諧波響應分析相結合的方法,完成螺栓聯接結合面的參數識別問題。
  18. There are three main approaches to predict the noise level : similitude structure method including the frequency - response method and proportion method, modal method including finite element method ( fem ) and boundary element method ( bem ), and statistical energy analysis ( sea ). the advantage of similitude structure method is to give the predicting data fast, but it has some error because of dealing with rough similitude parameter and mass load

    目前對噪聲預示主要有三個方法:一是相似結構外推法,包括頻率響應法和比例法等;二是傳統的模態方法,包括有限單元方法( finiteelementmethod , fem ) 、邊界單元方法( boundaryelementmethod , bem )等;三是統計能量分析方法( statisticalenergyanalysis , sea ) 。
  19. Wave theory modeling of vehicle vibration and its frequency response analysis of helical spring suspension

    螺旋彈簧懸架車輛振動的波動理論建模及頻響分析
  20. A method for pile quantitative analysis with frequency response function

    基樁質量定量分析的頻響函數法
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