frequency-response characteristic 中文意思是什麼

frequency-response characteristic 解釋
頻率響應特性
  • 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。
  • characteristic : adj 有特性的；表示…特性的，…特有的。 Japan s characteristic art 日本特有的藝術。n 特性，特徵，性...
  1. 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。
  2. 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。
  3. 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。
  4. Some conclusions are drawn : 1 ) effect of inertial force from superstructures on the lateral seismic response of single pile can not be ignored ; 2 ) the lateral seismic response of single pile induced by far - field earthquake are mainly affected by acceleration mass of superstructure > site eigenperiod. it increases with the increment of accele ration and mass of superstructure. as the site characteristic frequency approaches the self - oscillation frequency of the pile, sympathetic vibration occurs and the value of lateral seismic response reaches maximum ; 3 ) as the stiffness ratio of pile to soil increase, the relative displacement of pile to soil increases ; 4 ) the lateral seismic response of fixed - head pile is much smaller than that of free - head pile

    將其解析解與具體的的抗震設防烈度和場地特徵周期結合起來，計算分析了成層地基中單樁的橫向地震響應，得到了以下結論： 1 ）上部結構慣性力對樁的橫向地震響應的影響不可忽略； 2 ）成層地基中的單樁的橫向地震響應主要受地震基本加速度、場地特徵周期、上部結構質量的影響，隨地震基本加速度、上部結構質量的增大而增大；場地特徵頻率越接近樁基自振頻率，樁基地震響應越大，等於自振頻率時，由於發生共振現象，樁基響應幅值最大； 3 ）樁土剛度比越大，樁土之間的相對位移的幅值越大； 4 ）樁頂固接的連接方式，可以有效地降低地震時單樁的橫向地震響應。
  5. Dynamic characteristic of the fan system was tested in this paper. the time constants of acceleration and deceleration was gotten and bode diagram of frequency response was presented. the results show that the frequency response of the system is satisfying in the range up to 0. 2 hz

    本文對風機系統的動態特性進行了測試，得到了它的加減速時間，並通過譜分析法得到了系統的幅相頻響應曲線（ bode圖） ，結果表明系統在低於0 . 2赫茲范圍有較好的相應特性。
  6. Smart materials and structure have definite requirements of sensor components and driving components, for example, they can adhere well to the matrix and have higher strength, fatigue strength, more broad scope of frequency response and faster response speed, etc. piezodielectric ceramics have characteristic of easily preparing, heat - resistance, wet - resistance, high strength and broad scope of frequency response, etc. furthermore, it has piezoelectric effect and inverse piezoelectric effect, namely it can produce electric potential energy when it is transformed by mechanical strength and its mechanical dimension can be transformed when voltage is put on it

    壓電陶瓷能與基體材料很好結合，具有制備容易、耐熱、耐濕、強度高、頻響寬等特點，另外它具有正壓電效應和逆壓電效應，即當它受到機械力變形時，能產生電勢，對它施加電壓時，能改變其機械尺寸，因此它在智能材料結構中既能用作傳感元件又能用作驅動元件。
  7. The dynamic response of the experiment model is studied by transfer function response, and the natural frequency and vibration mode of the vibration system are measured, the dynamic characteristic is mastered, which provides the experiment test method of dynamic data for the structure design of reinforced concrete and the shock absorber design of the system, especially provides the design rules to vibration control of the machine equipment which are built in the building structure

    用傳遞函數響應方法對實驗模型進行動態響應實驗研究，測得振動系統的固有頻率和振型，掌握振動系統的動態特性，為鋼筋混凝土建築的結構設計和系統減振設計提供動力學的實驗測試方法，尤其給安裝在建築物內機械設備的振動控制提供了設計依據。
  8. Firstly, the airfoil ' s classic flutter ( at small attack angle ), stall flutter ( near the static stall angle ) and response ( at large attack angle ) are analyzed. it is found from the numerical results that " lock - in " will occur at certain freestream velocity range near the static stall angle, where the frequency of the vortex will be equal to the natural frequency and the flutter has the characteristic of self - induced oscillation. when the attack angle is far from the static stall angle, the vortex will have its own frequency, which differs from the natural frequency, and the flutter has the characteristic of forced oscillation

    首先研究了二維翼型的古典顫振（小攻角） 、失速顫振（失速攻角）和動力響應問題（大攻角） ，得到以下結論：在靜態失速攻角附近的一定來流速度范圍內，分離渦會發生頻率鎖定現象，分離流的頻率與固有頻率趨于相同，這時的振動呈現自激振動的特點；遠離失速攻角時分離流頻率則擺脫固有頻率的影響，此時的振動具有強迫振動的特點。
  9. Data of response of three high - pressure transducers are acquired respectively with effect of gas - shock tube and quick - opening valve. dynamic characters of transducers are known fully because of complementarity of data when transducers are calibrated at different frequency bands and pressure ranges. characteristic of excitation signal and its influence for modeling are discussed in this paper

    將三種高壓傳感器在氣體激波管和快速閥門上分別得到激勵響應的數據，根據兩者所能校準的頻率段和壓力范圍不同，利用數據的互補性，可以對傳感器的動態特性有全局的了解。
  10. Theoretical analysis and simulation experiment showed that this kind of controller can improve the dynamic characteristic of the positioning table with a short setting time, little overshoot and a fast dynamic response, and can also restrain disturbance and high frequency vibration

    理論分析和模擬實驗證明，該控制器能較好地改善此類平臺的動態特性，具有調節時間短、無超調和動態響應準確快速等優點，並能夠有效提高系統的杭干擾和高頻振動能力，所得結論對此類平臺控制器的設計具有一定指導意義。
  11. Combining the methods of in - phase variable - frequency adjusting speed with brushless dc control, this system uses repmsm ( rare earth permanent magnet synchronous motor ) as executing motor. this system makes full use of characteristic of high static precision and dynamic fast response

    以正弦波永磁同步電動機為執行電機，採用他控式磁通軌跡法變頻調速和無刷直流方式調速方法相結合的控制策略，充分發揮了同步電機的穩態高精度和直流電機的動態快速性的特點。
  12. Meanwhile through analyzing the characteristic of the frequency spectrum of real seismic load, the influence of sismic load ' s feature period on dynamic response result of the grotto rock 15 revealed

    並通過對地震荷載的頻譜特性分析，揭示了地震荷載的特徵周期對錨索加固石窟圍巖的動力響應結果的影響。
  13. Phase - frequency response characteristic

    相頻特性
  14. The digital tester for frequency response characteristic, which is also called frequency - sweeping instrument, plays a very important role in modern electronic measurement

    掃頻儀也稱頻率特性測試儀，用於測試網路的幅頻特性和相頻特性，在現代電子測量中佔有重要的位置。
  15. In the leakage characteristic test, the problem of small leakage flow automatic test is solved with the method of usage of an ellipse gear flow meter and a self - made interface circuit. in the dynamic state characteristic test, frequency sweeping and statistic methods are used and their results are compared with 1250 frequency response analyzer

    在電液伺服閥動態測試實驗中，採用了掃頻法和統計法這兩種不同的方法進行測試，並對實驗結果與1250頻響分析儀所測的結果作了對比，發現二者基本一致。
  16. Design options include selecting and confirming the type and volume, the best reverberation time and frequency response characteristic, layouting the acoustic materials and designing appropriate reflectors to organize the reflection rationally

    設計內容包括體型和容積的選擇，最佳混響時間及其頻率特性的選擇和確定，吸聲材料的組合布置和設計適當的反射面，以合理地組織反射聲等。
  17. Aiming at the nonstationary characteristic of the dynamic loads and the relation between the responses and the frequency response functions, by use of the responses only, some novel theories are conducted to develop force identification and impact location approaches in this dissertation

    本文就動態載荷的非平穩特性對有關前沿理論作了系統研究，著眼于結構響應輸出與頻率響應函數間的關系，建立了一類單獨利用響應數據進行動載荷及其位置識別的新穎理論體系與方法。
  18. Amplitude - frequency response characteristic

    幅頻特性
  19. At last, the dynamic response characteristic in time domain of the ems on the frequency of the excitation force is given

    最後給出了時域內電磁彈簧剛度值對激勵力頻率的動態響應特性，設計了實現該電磁彈簧的結構框圖。
  20. In the paper, the digital tester for frequency response characteristic based on the high performance dds chip ad9954 is presented

    本文闡述了基於高性能dds晶元ad9954的數字化頻率特性測試儀的設計。
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