periodic modulation 中文意思是什麼

periodic modulation 解釋
周期性調制
  • periodic : adj. 1. 周期的，回歸的，定期的，定時的；間歇的，時時的。2. 某一時期的。3. 【修辭學】掉尾句的，圓周句的；美詞麗句的。adj. 【化學】高碘的。
  • modulation : n 調整，調節；（聲調的）抑揚，變化；【音樂】轉調，變調；【無線電】調制。 amplitude modulation 振...
  1. And the code selection of good non - periodic auto correlation in pulse internal phase modulation will benefit the suppress of range side - lobe

    脈沖內部調相選用具有良好非周期自相關性能的編碼還有利於距離旁瓣的抑制。
  2. The hyperchaotic circuits are controlled to their stable equilibriums as well as np periodic orbits by change the external controlling parameter, such as the magnitude of modulation

    通過改變外部控制參數，如調制幅度，把超混沌電路控制到穩定的平衡狀態和np周期軌道。
  3. In this article, the prime task is the reasarch of extraction airplane ’ s periodic signature of modulation, the approximate entropy, the norm entropy, obtaining the sensor confidence level as well as structuring realization target identification intellectualized type fusion model and the algorithm

    本文主要工作是研究提取飛機目標的調制周期特徵，近似熵、范數熵，獲取傳感器可信度以及構造實現目標識別的智能化類型融合模型和演算法。
  4. At first, a method for controlling chaos is studied, which is based on phase switching modulation. the n - scroll chua ' s circuit is controlled to its fixed point as well as periodic orbits by using switching modulation on one its phase. its mechanism of control is analysed using the change of the max lyapunov exponent when the system is controlled

    首先，通過對多渦卷蔡氏電路中非線性特性函數的相位進行開關調制，把多渦卷蔡氏電路由混沌狀態控制到其平衡態和周期軌道，並用控制后系統的最大lyapunov指數隨時間的轉變闡述了其控制機制。
  5. For ac discrete digital signal, the zero - calculating method is applied to calculate the true zero in the periodic signal. for the measurement of ac and dc voltage spectrum, the faster fourier transform ( fft ) is used. to measure dc voltage ripple spectrum and frequency modulation of ac voltage, the digital filter is used

    其中對于交變的離散數字量，採用零點撿出技術計算周波信號的真實過零點；對于交直流電壓頻譜，採用快速傅立葉變換進行頻譜分析；對于直流電壓脈動和頻率調制，採用數字濾波器進行濾波后再做分析處理。
  6. The propagation of soliton and interaction for the periodic distributed amplification line are discussed in detail, and the explicit soliton solution on continuous wave ( cw ) background is presented, and two exact analytic solutions that describe the modulation instability and the soliton propagation on a cw background are in detail discussed, and inelastic interaction for the vector solitons is also investigated

    具體研究如下三個方面的內容：周期分佈放大系統中孤子的傳輸特性和相互作用；在非零邊界條件下孤子解的存在形式並解釋非均勻光纖中光脈沖的調制不穩定性以及孤子在連續波背景中的傳輸特性；討論多個光場同時在光纖中傳輸的耦合非均勻非線性薛定諤方程並詳細研究孤子間的非彈性相互作用。
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