frequency domain analysis 中文意思是什麼

frequency domain analysis 解釋
頻域分析
  • 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。
  • domain : n 1 領土，版圖；領地。2 管區，勢力圈；（特定動物等的）生長圈；（學問、活動等的）領域，范圍；【物...
  • 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. For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr

    本文對于微腔半導體激光器，提出站模型，能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性，利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論；對于電流i噪聲、自發發射壽命_ （ sp ）噪聲、自發發射因子噪聲、光子壽命_ p噪聲，以及電流調制、 _ （ sp ）調制、調制、 _ p調制，在小信號近似下，得到了相應的激光器的傳遞函數；在大信噪比的前提下，對激光器進行了頻域分析，分別計算了它們在不同參數下的信噪比增益，分析了其抗噪聲性能。
  2. Frequency domain analysis and time - frequency joint analysis of experimental results show that the complex vibration of target can be effectively detected by laser micro - doppler effect, and it lays the foundation of target detection, classification and recognition

    實驗結果的頻譜分析和時頻域的聯合分析表明：利用激光微多普勒效應，可以有效地探測目標的復合振動，為目標的探測、分類和識別奠定了基礎。
  3. Thirdly, by neglecting the coupling influence, the control laws of pitching, yawing and sloping movements are designed separately with frequency domain analysis and root locus, and then the parameters of the controller are chosen

    第三，忽略耦合影響，將控制系統分為俯仰、偏航、傾斜三個相互獨立的通道，用頻域分析法和根軌跡法設計控制律、選取控制器參數。
  4. Therefore, aiming at the existent static and dynamic error of fcs sensor, the sensor characteristic compensation subunit is designed in the environment of labview using vi technique. the sensor signal disposal platform is also developed to realize the time domain measurement, frequency domain analysis, long - distance transfer and network release, etc. firstly, the static characteristic and nonlinear error of the sensor are analyzed

    為此，本文針對飛控系統傳感器存在的靜態和動態誤差，利用虛擬儀器技術在labview環境下設計了傳感器性能補償環節，開發了傳感器信號處理平臺，對信號進行時域測量、頻譜分析、小波消噪、遠程傳輸和網路發布等。
  5. We can make frequency domain analysis and disposal with it. the arithmetic has important application in communication engineering

    通過此演算法，可以對信號進行頻域分析、頻域處理，在通訊工程領域有著重要的應用。
  6. The research of frequency domain analysis in the control system based on labview

    的控制系統頻域分析研究
  7. Frequency domain analysis for transverse vibration of axially moving strings

    軸向運動弦線橫向振動的頻域分析
  8. Frequency domain analysis

    頻域分析
  9. In order to design the parameter of error amplifier, the small signal model is derived for arc welding inverter using state - space averaging, and frequency - domain analysis is performed to complete the parameter design

    為了設計控制系統中誤差放大器的參數，利用狀態空間平均法建立了電源系統的低頻小信號數學模型，進而利用控制理論中的頻域分析法設計了系統的補償網路，即誤差放大器的參數。
  10. Vibration analysis software adopting win32 api, multi - thread design and modular configuration has such functions as real - time wave display, real and frequency domain analysis, data store and so on

    振動分析軟體採用統一的win32編程介面，多線程設計和模塊化結構，可執行代碼小，易於功能擴展；具有實時波形顯示、實域頻域分析、數據存盤等功能。
  11. Because structure inherent frequency affects vibration strength, frequency domain analysis results show that power signal density ( pst ) curve has two high peak during the frequency of 0. 38 ~ 0. 41hz

    頻域動強度分析結果顯示，功率譜響應在0 . 37 041hz之間有兩個比較大的峰值，這是系統固有頻率影響的結果。
  12. On the base of the related research achievement, the structure and characteristics of annular fan beam sensor, principle of light scanning, image reconstruction, image explanation and system frequency domain analysis are thoroughly researched. there will be a helpful exploration for developing and utilizing the novel optical measurement technique

    在國內外相關研究進展的基礎上，對環形扇束光學傳感結構及特性、光線掃描原理、圖像重建、圖像解釋和系統綜合分析等方面進行了深入的研究，為進一步開發利用該項新型光測技術進行了有益的探索。
  13. In the thesis, a functional software was developed for auto - analyzing the field evoked potential, which can automatically measure the time domain parameters such as the amplitude area latency of population spikes, the slope of excitatory postsynaptic potential and so on, it also can make the frequency - domain analysis

    它可以自動、快速地測出海馬誘發場電位的時域參數，如：群體峰電位（ populationspikes ， ps ）的幅度、面積、潛伏期以及興奮性突觸后電位（ excitatorypostsynapticpotentials ， epsp ）的斜率等，同時也可以對信號進行頻域分析和處理。
  14. The paper proposed a method that combining the lamb wave with time - frequency domain analysis technology for the damage detection of composite materials

    本文將lamb波與hht技術結合起來，用於復合材料結構的損傷識別。
  15. The noise suppression uses two methods ? mlms self - adaptive filter arithmetic and blind signal separation. the lung sounds data analysis uses time domain analysis, frequency domain analysis, power spectra analysis, time - varying spectra analysis and so on. healthy people and lung disease patients ’ lung sounds are collected by the system and the data affirms the reliability and practicability of the system

    我們利用該系統對正常人和肺病患者的肺音進行了採集和分析，通過這些分析數據，既肯定了該系統的可靠性和實用性，又對各種肺音分析演算法進行了對比和驗證，對該系統的臨床應用打下了良好的基礎。
  16. Due to the unsteadiness of the vibration signal, conventional methods of gear fault diagnosis based on steady signal processing, which consist of time domain and frequency domain analysis method, are not as effective to local defect as to dispersed defect of gear

    傳統的齒輪故障診斷方法（包括頻域分析方法和時域分析方法）對于齒輪的分佈故障有很好的診斷效果。但當齒輪產生局部故障時，失效的輪齒間斷地進入嚙合，產生沖擊振動，使得齒輪振動信號包含了非平穩或時變成分。
  17. The error reasons of low resistance measurement are studied, the theory of removing line resistance error proves to be right with time - domain analysis method and frequency - domain analysis method, and the results proved to be true by the experiment datum with the statistics method

    研究了低電阻檢測時產生系統誤差的原因，分別用時域和復頻域兩種方法分析了在低電阻檢測時消除附加電阻誤差的原理；並通過兩組實驗數據用數理統計的方法驗證了附加電阻誤差影響已經被消除的結論。
  18. But time - frequency domain analysis and artificial intelligence provide the new way to fdi. so in this thesis, after finished the real - time fdi software of srfcs, we will study the new fdi algorithm

    而近年來人工智慧、時頻濾域信號分析等新理論為故障檢測提供了新的途經，為此，本論文在完成故障檢測與隔離實時工程軟體后，將對這些新理論進行研究。
  19. The software is developed on the platform of labwindows / cvi that includes nine main modules : data acquisition, pre - processing, stable state analysis, tracking filter, time domain analysis, frequency domain analysis, modern processing method, wavelet transform and trend analysis. it is provided with friendly man - machine communication interface, handy operation and all - around functions

    該軟體以labwindows cvi為開發平臺，共包括九個模塊：數據提取模塊、預處理模塊、穩態分析模塊、跟蹤濾波模塊、時域分析模塊、頻域分析模塊，現代處理方法模塊、小波分析模塊、以及趨勢分析模塊；軟體具有良好的人機交互界面，操作簡便，功能齊備。
  20. The integrated method of time and frequency domain analysis and rbfnn is given for bearing fault diagnosis. through selecting representative parameters, feature space vector is constructed so the input dimension is reduced and fault classification information retained

    通過時頻域分析提取了有代表性的特徵參數，構建了特徵空間向量，既降低了網路的輸入維數，提高了網路的學習效率，又保留了故障分類信息。
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