stationary show 中文意思是什麼

stationary show 解釋
文具展
  • stationary : adj. 不動的，靜止的，不變的；不增不減的，固定的，裝定的。n. 1. 不動的人，固定物。2. 〈pl. 〉駐軍。n. -ariness
  • show : vt （showed;shown 〈罕用語〉showed）1 給看，示，出示；顯示，顯出；陳列，展出，供參觀；炫耀，賣弄...
  1. Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results

    文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比：電性能相當；波導管結構更加簡單，容易加工，便於安裝.文中給出圓突-矩形波導中主模場，圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣，縫隙電壓相位為同相分佈，輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖，理論與實驗相吻合
  2. The statistic of wavelet transform coefficient algorithm can solve the periodic noise, high - energy noise and some non - gauss noise simply and effectively ; bi - spectrum can acquire more information from the original signal than power - spectrum, detect more information except from range and restrain the gauss noise. short - time speech signal can be considered as stationary and with periodic non - gauss signal, so we can make use of bi - spectrum to obtain the speech character and separate the speech and noise and detect morse telegraph signal ; complex number spectrum variance algorithm is put forward based on the deeply observing speech data, it is a new algorithm, experiment show that it is simple, effective

    統計演算法在解決周期信號、高能噪聲和高斯信號方面有獨特之處，能簡單有效提取以上噪聲的特徵;雙譜能夠提供比功率譜更多的有用信息，有效地檢測信號幅度之外的其它信息，並能有效抑制高斯噪聲，短時語音信號一般認為是平穩且有一定的周期性的非高斯信號，因而可以利用雙譜來提取語音信號特性並實現信噪分離;復數譜方差演算法是在對語音信號進行深入觀察和分析的基礎上而提出來的一種全新的語音特徵提取方法，此方法簡單而有效的提取了語音、噪聲的特徵以及檢測莫爾斯信號，基於實驗表明，該演算法取得了很好的效果。
  3. Using the variational method, analytical conditions for stationary pulse propagation in dense period fibers with strong dispersion management are deduced. the expression of initial soliton peak power is given. by employing the obtained formulas, the soliton evolution semi - analytically in various dispersion maps can be investigated. effects of the third order dispersion are also studied in this paper. the results show that imperfect dispersion slope compensation can cause pulse central position shift and even serious degradation of soliton shape

    利用變分方法，推導出了在強色散管理的密集周期光纖中脈沖穩態傳輸的解析條件，並給出了初始脈沖峰值功率的表達式.運用這些公式，對各種色散管理系統中孤子的演化進行了半解析的考察.三階色散也被考慮在內.結果表明:不完善的色散斜率補償將導致脈沖中心位置的偏移甚至嚴重的孤子形狀劣化
  4. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中，為跟蹤、定位機動目標和干預機動控制過程，需要統計處理離散的雷達觀測量實時估計推進發動機的推力，進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型，推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量，應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  5. Our results show that the rate of correlation among the random variables of those output sequences are low although they are not independent ; in addition, the output sequences of those combined generators are homogeneous markov chains which are strictly stationary processes with ergodicity ; the output sequences of those combined generators are also proved to summit to the strong law of large numbers and the central limit theorem ; finally the computation formula of the rate of the accordance between the output sequences and input sequences of those combined generators is given

    我們的研究結論表明：雖然這些序列中隨機變量之間不具有相互獨立性，但它們的相關程度卻比較低；證明了「停走」生成器， km _ 1m _ 2型組合生成器和加法型組合生成器的概率模型輸出序列都是強平穩的和遍歷的齊次馬氏鏈；討論了這些序列的概率極限性質，證明了它們均服從強大數定律和中心極限定理；還分別給出了各類生成器的輸出序列與輸入序列之間的符合率的計算公式。
  6. Finally, the cqc ( t ) algorithm which used to calculate the non - stationary under earthquake random excitation was derived, the exemplary analysis show that the improvement of accuracy of cqc ( t ) algorithm is limited for the normal structures which have low period

    最後本文提出了計算地震動隨機激勵作用下非平穩響應的cqc （ t ）方法，通過算例比較發現對於一般的自振周期較小的結構， cqc （ t ）方法的精度提高並不明顯。
  7. Unit - root - testing results show that chinese quarter data of the tool variables of monetary policy and multi - variables of macro - economy are non - stationary and contain a unit root in our analytical term of sample

    單位根檢驗結果顯示，在我們分析的樣本期內，我國貨幣政策工具變量與宏觀經濟變量季度數據均是含有一個單位根的非平穩序列。
  8. We research the stability of the three - factor model by using chow test and research the coefficient stationary by using unit root test, and forecast the coefficient of the model using arma 、 garch model. the results show that the model is instability in the long run, most coefficient is non - stationary, and we can preferably forecast the coefficient by using the arma 、 garch model. in the process of designing strategic investment portfolios and the strategic risk budgeting prevailing in resently which in order to control investment risk, the investors generally structure their portfolios in different industries

    模型回歸系數是測度投資對象系統風險的重要指標，我們利用chow檢驗對證券收益三因素模型結構的穩定性進行了分析研究，用adf檢驗對模型的三個回歸系數的穩定性進行了實證分析，採用arma和garch模型對回歸系數的預測能力進行了研究，結果表明組合三因素模型結構不穩定，但短期比長期結構穩定性要高;大部分組合回歸系數時序穩定性較差，同時arma和garch模型對每個回歸系數時間序列進行預測顯示有較好的預測能力。
  9. Experiment results show their shortages under varying noisy situations. chapter 4 and chapter 5 detail our new algorithm and its implementation. to overcome the traditional vad parameters " poor performance in non - stationary noise, a new vad algorithm based on lp residue is proposed in chapter 4

    其中第四章通過分析語音信號參數的特點，以獨創的基於線性預測殘余信息的vad參數結合其他幾種經典vad演算法參數的優點，提出一種新的vad技術來改進現有的g . 729演算法。
  10. Owing to the fact that the wavelet transformation possesses localization and implicit difference property, the suthors show that after wavelet tansformation, the fractionally differenced process and the harmonizable periodically correlated process may be changed into stationary processes

    利用小波的局部性及暗含的差分性質，證明了在小波變換后，分數差分平穩過程和可調和周期相關過程是平穩的。
  11. Results of computer simulations prove that the mud has higher sinr value, effective mai cancellation, better near - far resistance capability than decorrelating mud. so it ' s feasible and reasonable. simulation results also show that the lms algorithm can exactly converge to stationary value, works well on ber properties and adaptively detects the users " signals

    實驗模擬表明穩態時這種結構的檢測器可獲得高於解相關檢測器的信號干擾比，能夠有效地抑制多址干擾，具有良好的抗遠近效應能力；採用lms自適應演算法時能夠準確收斂到穩態解上，較好的實現自適應檢測。
  12. Wavelengths or scales of surface heterogeneity are less than 20km. simulation results show that cbls do reach a quasi - stationary state correspondent to specified surfaces, after a long enough evolution. in this transition process and after that, horizontal statistics, i. e. mean potential temperature and vertical heat - flux, show profiles little differences to those over homogeneous flat surface. main effect of surface heterogeneity is to increase kinetic energy in cbl and the increase concentrates in the direction of surface heterogeneity. the time of cbl spent to reach its first peak of mean kinetic energy,

    模擬結果表明，在充分長的時間后，邊界層達到一種適合於地面條件的準定常態。這種準定常態和向其過渡的過程中，水平平均的邊界層廓線性質，如平均位溫廓線垂直熱通量廓線等幾乎與平坦均勻地面的結果相同，或差異極小。地面非均勻性的主要作用是使邊界層動能增大，並以地面非均勻性變化方向的動能增加為主。
  13. Fourthly, since the missing between training and practical environments is the fundamental reason for the degradation of performance of automatic speech recognition, we have proposed a method to compensate and amend hmm to adapt noise environments. experiments show that better noisy robustness can be achieved, especially in stationary background noisy environments

    在語音特徵參數級去噪的基礎上，提出了一種基於hmm和倒譜特徵的噪聲補償方法，通過對純凈環境下的模型參數的補償與修正，實現訓練環境與測試環境的匹配。
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