頻域法 的英文怎麼說

中文拼音 [bīnyùfǎ]
頻域法 英文
frequency domain method
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 域 : 名詞（在一定疆界內的地方; 疆域） land within certain boundaries; territory; region
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  1. In order to prove the feasibility of the control method mentioned, both the semiphysical test for the plant simulated by analogue computer and the model test for the cantilever beam are designed and finished with the study of the parameter selection in realization

    對離線建模的智能旋翼頻域神經控制方法進行了試驗驗證研究，試驗分兩種情況：以模擬計算機模擬受控對象的半物理模擬試驗與懸臂梁振動響應控制試驗，並研究了實現中的參數選擇問題。
  2. Digital frequent demodulation method of control system ' s fsk signal

    信號的數字頻域解調方法
  3. Finally, this thesis discussed these following questions : first, the algorithm of used the error image for improving the purpose of the edge detection. secondly, we have transformed the solved question of the first and the second directional derivative to frequency domain and founded they have a single formulae in frequency domain. thirdly, we have described the singular signal and the noise by using the correlations of the neighbor data after wavelet transform

    最後，在傳統的邊緣檢測演算法和小波分析的邊緣檢測演算法之外，對以下幾個方面也進行了一些討論： 1 ）利用誤差圖像來提高邊緣檢測效果的演算法； 2 ）將求解任意方向的一階、二階方向導數的問題轉換到頻域中去求解，發現在頻域中它們具有簡單易用的公式，使得原來求解任意方向的一階、二階導數的比較困難的問題變得容易實現了。
  4. The major work is as follows : solution of two dimensional radiation or diffraction fluid field. this thesis extends multipole expansion method to adapt to disturbed fluid fields of 2d floating bodies with asymmetric forms, which is applied with symmetric forms originally. and given the solution of potential velocity and hydrodynamic pressure of radiation and diffraction fluid fields, which is incited by a 2d arbitrary form, actual application field of the multipole expansion method has been enlarged

    關於二維擾動流場的求解：將通常僅適宜求解具有對稱形狀二維物體擾動流場的多極展開法（保角變換方法）擴展至非對稱形狀二維物體，給出了任意形狀二維物體的輻射和繞射流場的速度勢及水動壓力的頻域解，進一步擴大了多極展開法的實際應用范圍。
  5. The gsc is the most popular method in time domain

    寬帶波束形成有時域處理方法和也有頻域處理方法。
  6. These stray currents usually have a higher frequency (50-60h2 harmonics) than those used in the ip frequency technique.

    這些游散電流的頻率（5060H2及其諧波）通常比IP頻率域法中用的頻率要高。
  7. At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost ， which have restricted the development of apf

    目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換，需要快速、實時運算，因此必須使用高速的數字微處理器和高性能a / d轉換器，這必將大大提高系統成本，使得電路結構復雜，在一定程度上限制了有源濾波器的發展。
  8. A comparative study between time - domain method and frequency - domain method for identification of bridge flutter derivatives

    橋梁顫振導數識別的時域法與頻域法對比研究
  9. The harmonic analysis method can save much computer time than the iterative scheme in time domain ; it is very useful for the complex problem that needs a great of iterative

    頻域法與常規的時間步進法相比，可以節省大量的計算機時間，對于需要大量迭代過程的復雜問題尤為重要。
  10. The modal parameters identification of bridges in frequency domain

    用頻域法識別橋梁的模態參數
  11. As the military and industry is developing dramatically, to enhance the low - contrast digital image has become one of the important areas in image processing. there are two traditional methods to enhance the low - contrast digital image : the methods based on frequency and the method based on time. the histogram enhancement, the most popular way to enhance, is representing the latter one ; while the methods based on frequency often uses wavelet transform, ft ( flourier transform ), dct ( discrete cosine transform ) to enhance

    隨著軍事和工業上的發展需要，低對比度數字圖像的增強越來越成為數字圖像處理中的一個重要領域，傳統的增強方法分為頻域法和空域法兩大類，其中空域法的代表為直方圖增強法，這也是最為流行的增強方法，頻域法中用的較多的是基於小波變換，傅立葉變換和離散餘弦變換的增強方法，本文介紹的是基於小波神經網路的頻域增強法。
  12. Frequency domain method, however, takes an advantage in the aspect

    而以傳遞函數矩陣為基礎的頻域法在這方面具有很大的優勢。
  13. With the development of modern science and engineering technology, the two theory systems in target tracking filter domain are formed, which are classic wiener filter using frequency domain and modern kalman filter using state space

    隨著現代科學技術和工程技術的發展，目標跟蹤理論形成了經典的維納濾波（頻域法）和近代卡爾曼濾波（狀態空間法）的兩大理論體系。
  14. The other is the modern frequency domain method performed by rosenbrock. the design objective is the diagonal dominance, not the diagonalization, so it may avoid the limitation of the complete decoupling. it is an approximate decoupling method

    其二是以rosenbrock為代表的現代頻域法，其設計目標是被控對象的對角優勢化而非對角化，從而可以在很大程度上避免全解耦方法的缺陷，這是一種近似解耦方法。
  15. The unfocused hologram of lensless fourier holography are also discussed, and a way to revise the reconstruction image of unfocused hologram is presented. ( 2 ) the reconstruction of image plane hologram is analyzed by plane wave theory. the image plane holograms of transparent and opaque objects are also obtained by using fibers

    （ 2 ）用角譜理論分析了像面全息圖的再現過程，採用光纖傳光分別拍攝了透射和反射物體的像面全息圖，並利用頻域法對全息圖進行數值再現，得到了物體較清晰的再現像。
  16. This thesis describes the three important methods for designing pid controller : imc - based method, frequency method and direct synthesis method. we respectively design the pid controllers for the first - order plus dead - time processes, second - order plus dead - time processes, non - minimum phase processes, integrating and unstable processes, then, performance assessment and robustness metrics are used to compare the pid controllers of the individual process

    論文著重研究了pid控制器的三種重要設計方法：內模法、頻域法和直接綜合法，並從確定性性能指標和魯棒性性能指標的角度，比較這些設計方法在一階加純滯后、二階加純滯后、非最小相位、積分和不穩定過程pid控制器設計中的應用效果。
  17. The vehicle ride performance was simulated by using random spectral response methods

    利用隨機響應計算方法中頻域法的頻率響應函數法進行模擬計算。
  18. Also discussed the methods on how to realize the cwt both in time - domain and frequency - domain and how to design the gm - c bandpass filter used in realization of cwt. in order to optimize the performance of gm - c filter, linearization techniques are investigated and proposed. due to process variation and parasitics, an automatic tuning is designed for center frequency / 0 and quality factor q also, in this thesis, 16 - channel analogue cmos cwt circuit has been realized

    論文圍繞連續小波變換的模擬電路實現這一熱點問題，討論了連續小波變換的時域和頻域實現方法；具體分析了并行結構與串列結構的優缺點；研究了頻域法中的跨導-電容帶通濾波器的設計；給出了改善跨導輸入級傳輸特性的線性程度並擴大線性范圍的具體方法；設計了片內自校正（可調諧）環節使濾波器參數自動調整到設計標準值；最後給出了16通道濾波器組實現小波變換的方法。
  19. Flight simulator plays an important role in hardware - in - loop simulation, and a high - quality simulator is critical in developing a high - performance aircraft. this paper focuses on the performance improvement, it develops the controller of three axises and adjusts the control parameters in frequency - domain. it also concerns about some factors that influence the low - speed performance and draws some conclusions about the key points of performance improvement

    本論文針對轉臺的品質整定，基於頻域法設計與實現了轉臺三軸的控制器，在頻率域內整定了轉臺的動靜態品質，並對整定過程中的問題和現象作了詳細的分析和研究，提出了轉臺品質整定的關鍵點和注意點。
  20. These roof structures are generally in high turbulent regions, then wind loads become important to these structures. commonly, wind - induced response is analysed in frequency domain method. but the contributions of those high order models are omitted owe to the complexity of analyse themselves

    分析結構風致響應時一般採用頻域法，而頻域法中採用常規的模態分析方法? ?振型截斷法時，往往因為對高階振型本身分析的復雜性而忽略了高階振型對結構響應的影響，使得計算的結果缺乏合理性。
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