spectral series 中文意思是什麼

spectral series 解釋
光譜系
  • spectral : adj. 1. 鬼的；鬼怪（似）的。2. 【物理學】光譜的。
  • series : n 〈sing pl 〉1 連續；系列。2 套；輯；叢刊；叢書。3 【生物學】區；族。4 【植物；植物學】輪；列；...
  1. The spectral response characteristic series of photocathodes

    光電陰極光譜響應特性系列
  2. Priestley, m. b, spectral analysis and time series, academic press, new york, 1981

    胡基福， 《氣象統計原理與方法》 ，青島海洋大學出版社，青島， 1996 。
  3. The inconsistent excitation can be decomposed into a series of irregular incident waves in terms of the spectral decomposition scheme of the hermitian matrix, with which the coherency function of the ground motions under the inconsistent excitation can be obtained numerical results are given to show its stability and rationality

    該方法將隨機輸入下的波動分析問題轉換為多個虛擬激勵下的確定性波動分析組合問題，從而可以方便地獲得場地波動觀測量之間的譜密度矩陣，進而計算給出工程場地的地震動相干函數本文還用數值模擬的辦法對所提出方法的合理性和穩定性進行了探討。
  4. The application of time - series modeling and forecasting method to the spectral analysis for lubricating oil of mechanical equipment is discussed

    討論了時序建模與預測方法在機械設備滑油光譜分析中的應用。
  5. We study the spectral theory of bounded linear operators and the characterization of ci operators by way of mbekhta ' s subspaces. we find a series of operators which are ci operators by the defination and the characterization of ci operators given by weibang gong in [ 3 ]

    利用mbekhta子空間研究一般有界線性運算元的譜理論以及描述ci運算元的特徵；用ci運算元的定義和判定方法尋找更廣泛的ci運算元；同時還討論了廣義逆運算元和ci運算元及mbekhta子空間的關系。
  6. Plasma characteristics of a rf ion source are investigated by emission spectroscopy. the spatiotemporal spectral line intensities of the first three atomic lines in hydrogen bahner series ( = 656. 28, 486. 13, 434. 05nm ) of rf ion source plasma, are measured with calibrated optical multichannel analyzer ( oma ). some plasma parameters, including electron temperature, hydrogen atom density and hydrogen ion density, are calculated and analyzed using partial local thermodynamic equilibrium ( plte ) theory and abel transform

    實驗採用絕對定標后的光學多道分析系統（ oma ）測定了離子源等離子體不同時間和空間位置的氫原子巴耳末譜線系中前三條譜線（ = 656 . 28 ， 486 . 13 ， 434 . 05nm ）的強度，並採用plte的理論和abel變換方法，計算出了高頻離子源等離子體的電子溫度、氫原子濃度、氫離子濃度等參數在放電的不同階段和徑向分佈情況，並進行了簡要分析。
  7. The regional spectral model component is a primitive equation model on a stereographic projection and uses sine - cosine series as horizontal basis functions. the regional component predicts deviations from the forecasting of the global morjel component

    區域部分的預報偏差來自全球模式部分的預報，在區域范圍內，半隱式時間格式、時間濾波、初始化和水平擴散的應用都與偏差有關。
  8. ( 2 ) a series of new methods of feature extraction based on the optimal discriminant analysis are proposed, including the new lda algorithm based on the spectral decomposition of within - class scatter matrix sw which is effective when the number of class is small, an improved algorithm of optimal set of discriminant vectors based on the svd which is effective for face recognition, and the kernel fisher discriminant method ( kfdm ). experimental results on orl show that the kfdm outperforms conventional fisher discriminant methods in face recognition, however the computational load is much higher than those of conventional algorithms

    （ 2 ）提出了基於最優鑒別分析的圖象特徵抽取的一系列新方法，它們包括：基於對類內矩陣s _ w進行譜分解的f - s最優鑒別矢量集方法，該方法在類別數比較小時非常有效；一種改進的基於svd的最優鑒別矢量求解演算法，將該方法用於人臉識別時有較好的性能；非線性最優鑒別矢量集方法，該方法雖然有效，但計算時間較長。
  9. In the paper, firstly, present the formulation and application of proper orthogonal decomposition of covariance and cross - power spectral density matrices are presented in the analysis of wind load effects on structures. then the dynamic response of linear structures subjected to random loads is analyzed by a technique called double modal transformation ( dmt ) that is expressed through a double series whose terms depend on structural and loading modes

    本論文中首先通過求相關矩陣和互功率譜密度矩陣特徵值問題給出了本徵正交分解的公式，並利用pod與結構模態相結合的雙模態方法來分析結構的動態響應，主要討論了截斷高階荷載模態對風致響應的影響。
  10. Moreover, close - form expressions for the power spectral density and acpr of cdma signal passed through a nonlinear power amplifier are derived using the power series and statistical model of cdma signal. the comparison computer between algorithm simulation and practical data or experimental data derived using ads proves the validity

    同時基於cdma信號的時域數學模型和功率放大器的冪級數模型，具體推導出cdma信號的功率譜密度和acpr的數學表達式，並將其演算法模擬結果與實測結果以及ads實驗模擬結果相比較，驗證其正確性。
  11. Experimental measurement of new spectral series of hydrogen gas discharge source bombarding target

    氫氣放電源打靶的較完整新譜系實驗測量
  12. The ar model is used to perform a time - series modeling and forecasting analysis for the spectral analysis data collected from aero - engines

    通過運用ar模型對採集的航空發動機滑油光譜數據進行時序建模和預測分析，獲得了滿意的效果。
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