amplitude frequency response 中文意思是什麼
amplitude frequency response
解釋
幅度頻率響應-
We acquired the system ' s dynamic response when the satellite attitude was adjusted and the mode of the antenna. then modal analysis and dynamic analysis have been done to the satellite - antenna system by using the finite element analysis ( fea ) software of ansys. through the analysis we got the system ' s connatural characteristic, the amplitude - frequency characteristic of harmonic response, the power spectrum density of random vibration response, the maximal amplitude and resuming time of impact response
其次藉助ansys有限元分析軟體，對系統進行了模態分析和動力學響應分析，獲得了不同天線結構參數下的衛星?天線系統的固有特性，簡諧響應的幅頻特性，隨機振動響應的功率譜密度，以及沖擊響應的最大幅值和恢復時間等。 -
The traditional analog frequency - sweeping instrument, which mostly uses the lc circuit as the frequency oscillator, is more expensive, too much bigger and heavy to carry. it can only display the curve of amplitude - frequency, but ca n ' t used to measure the phase - frequency, and ca n ' t used to print the curve of frequency response characteristic either. it brings many discommodity to the user
傳統的模擬式掃頻儀大多是用lc電路構成掃頻振蕩器，它不僅價格昂貴，體積龐大，而且只能顯示幅頻特性曲線，不能得到相頻特性曲線，更不能列印被測網路的頻響曲線，給使用者帶來諸多不便。 -
( 2 ) the lateral deformation is effectively limited by reinforced earth layers and the settlement becomes small. @ the lateral deformation is enlarged on soft foundations, and the settlement becomes large. @ the reinforced earth layers on soft foundations behaves extension. the response behaviors of high sand - gravel embankment are indicated as the following : ? he amplification factor of earthquake acceleration varies with reinforced earth structure. ( 2 ) the basic frequency of the original embankments in different reinforcement conditions is about 0. 76hz. ? the amplitude of dynamic deformation appears small and the dynamic stability is safe
研究表明：加筋土體能有效地限制路堤的側向位移發展，減小沉降變形量；軟基路堤的側向位移較大，將顯著地增大路堤的沉降變形；軟基上加筋土墊層中產生的拉應力最大；加筋砂礫土路堤在振動荷載作用下動變形反應較小，具有良好地動力穩定性。 -
Lastly, the paper designs an example and tests its amplitude frequency response. at last, this paper points out that this method can efficiently control the performance of narrow band fir digital filters. both test and application indicate that practical performance and ideal performance are almost identical
在此基礎上給出窄帶fir濾波器的詳細結構，分析了窄帶fir濾波器的多級實現原理，並且對窄帶fir濾波器的的基本特性進行了分析，這些特性包括：頻率特性、抗混疊特性、去鏡象特性。 -
At large attack angle the frequency of the vortex has n ' t a apparent zone of " lock - in ". the fluid - induced vibration at large attack angle belongs to the stable dynamic response problems. but a sudden skip of amplitude will occur at large inlet velocity
在大攻角下分離渦脫落的頻率沒有一個明顯的頻率鎖定區域，流體振動屬于穩定的動力響應問題，但在大來流速度下會出現振幅突跳的現象。 -
When the frequency approaches zero, the factor approaches zero correspondingly ; 2 ) the amplitude of interaction factors changes with the incident angle of rayleigh waves and reaches maximum when is zero. moreover, with the increase of, the wave period shortens apparently ; ( 3 ) the amplitude of interaction factors decreases as the pile spacing increases and approaches to zero when the pile spacing is 15 ; 4 ) the amplitudes of interaction factors increase clearly with the increasing stiffness ratio of pile to soil ; 5 ) the lat eral seismic response of fixed - head pile groups is much smaller than that of free - head pile groups. moreover, the pile - group effects induced by rayleigh waves can be neglected ; 6 ) the lateral seismic response of piles at different location differs from each other
得到了以下結論： 1 ）樁的相互作用因子隨頻率呈周期性變化，在振動頻率比較低的情況下，樁的橫向相互作用因子也較低，當頻率趨近於零時，相互作用因子也趨近於零； 2 ）樁的相互作用因子的幅值隨瑞利波入射角度的變化而變化，在= 0情況下幅值最大，且隨入射角度的增加，波動的周期明顯縮短； 3 ）樁的相互作用因子的幅值隨著樁與樁間距的增加而減小，至s d = 15時，樁的相互作用因子基本趨近於0 ； 4 ）在頻率比較低時，相互作用因子幅值隨樁土相對剛度比的增加而顯著增加； 5 ）樁頂固接可以有效地降低群樁的橫向地震響應幅值，由瑞利波產生的群樁效應可以忽略不計； 6 ）群樁中不同樁位的樁的橫向地震響應是不同的，每根樁所在的樁位對其橫向地震響應有很大的影響；刀樁數的增加並不能減小樁的橫向動力響應。 -
The experimental results show that the method can accurately extract variable amplitude and frequency order in time domain, and is suitable for vibration response character extraction of rotating machinery
實驗結果表明，該方法能夠在時域中準確地提取幅值和頻率變化的階比，適合於旋轉機械振動響應特徵提取。 -
The characteristics of the intrinsic frequency distribution of the framed steam turbine - generator set foundation are summarized ; it can been seen that the base plate of the framed foundation does not have much effect on the dynamic response of the foundation, and that the " amplitude method " is better than the " resonance method " among dynamic analysis methods. when designing a framed foundation, as long as the load - bearing capacity and stability is ensured, a flexible pillar is better, the amplitude of vibration can be controlled through adjusting the particle quality in foundation design
論文最後總結了框架式汽輪發電機組基礎固有頻率的分佈特點；指出框架式基礎底板本身對基礎的動力響應影響不大，認為動力分析方法中振幅法優于共振法；並指出框架式基礎設計時，在滿足承載力和穩定性的前提下，柱子應以柔為佳；設計中可以通過調整質點的質量來達到控制基礎振幅的目的。 -
For the amplitude - frequency response at the self - oscillation frequency is one, a method to calculate the dynamic accuracy and the index of the servo system is provided, by comparing them, the scheme to design the verifying unit is presented
利用伺服系統在自振蕩頻率點的幅頻特性為1這一特點，將輸入信號頻率、幅值、系統的自振蕩狀態和系統的參數聯系起來，構建了伺服系統動態精度的計算公式和指標估算經驗公式，並根據兩者的關系提出動態精度校正方案。 -
Abstract : according to the deep analysis of the typical punching process, the loading charts and the amplitude - frequency curves of straight side cnc turret press frame are obtained. in the end the dynamic response of a typical process is calculated using modal superposition method by fem software marc and the static and dynamic stress of some nodes is compared as well
文摘:根據板料沖裁時的工作負荷圖確定了數控回轉頭壓力機的動載荷譜，並通過傅立葉展開，獲得了壓力機的幅頻譜，最後通過marc軟體採用模態疊加法計算了典型沖裁時機身的動態響應，分析了其動態特性，並對特徵點的動靜態應力進行了比較。 -
8 the frequency responses of a function are the plots of the amplitude and phase of this function versus frequency that are called the amplitude response and the phase response
頻率特性是這個函數的大小和相位隨頻率的變化曲線（情況） ，分幅頻特性和相頻特性。 -
The method is to judge whether a system is stable by analyzing the amplification of loop circuit based on amplitude frequency response and phase frequency or not
這種方法是將電路的幅頻特性和相頻特性曲線結合起來對環路增益進行分析，以此作為判斷系統是否穩定的依據。 -
So we present a novel microphysiometer based on mlaps ( multi - light addressable potentiometric sensor ) in which different sensitive membranes are illuminated in parallel with multi - light sources at different frequencies, the response amplitude of each frequency component can be measured on - line by parallel processing algorithm. by the experiments, we can analyze the relations of the extracellular environmental h, k, ca ions under some drugs and estimate these drugs effects
我們在laps表面用pvc成膜法，沉積這三種離子敏感膜，用三個不同頻率（ 3khz 、 3 . 5khz 、 4khz ）的調制光分別照射laps的三個敏感膜，所測量的光電流（電壓）包含了這三種敏感膜的響應，即測量信號由這三個頻率組成。 -
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。 -
Then, the hilbert transform is applied to each modal response to obtain the instantaneous amplitude and phase angle time histories. a linear least - square fit procedure is proposed to identify the natural frequency, damping ratios, physical mass, damping and stiffness matrices from instantaneous amplitude and phase angle for each modal response
然後對各階模態響應進行hilbert變換，得到瞬態幅值和相位角的時間歷程，再運用線性最小均方擬合來識別自然頻率、阻尼比、質量、剛度和阻尼矩陣。 -
It is analyzed that the values of external excitation, the internal damping of the shaft and the depth of the crack have effects on the amplitude frequency response curves. in chapter 5, the bifurcation and chao s of a rotor system are studied. the bifurcation parameter sets of the motion equation are determined by using the theoretical method
從理論上確定了在垂直平面內振動的裂紋轉子運動方程的分叉參數集，且用數值方法驗證了理論分析的正確性，同時，還利用melnikov函數法給出了系統發生混沌運動的臨界條件，最後，利用數值方法研究了考慮渦動影響的轉子系統的動力特性。 -
Afr : amplitude frequency response
幅頻響應 -
Amplitude - frequency response characteristic
幅頻特性 -
The amplitude - frequency response equations and the local bifurcations are respectively analyzed in the two resonant cases. the numerical simulations are given to obtain the amplitude - frequency response curve
利用數值模擬方法得出了1 3亞諧共振和1 2亞諧共振情況下的局部分叉和振幅-頻率響應曲線。 -
Simulation of computer and dynamic experiments show : the sofpss has such characteristics as small overshoot, fast response speed, avoidable micro - amplitude oscillation and is not sensitive to changes of operating modes and external disturbances. the sofpss can effectively damp low - frequency oscillation in a large range and takes on strong adaptability
計算機模擬和動模實驗結果表明： sofpss超調小、響應速度快，且避免了微幅振蕩；對運行狀態的變化以及外界干擾不敏感，能夠在較大的運行范圍內有效地抑制振蕩，適應能力較強。
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