混沌噪聲 的英文怎麼說

中文拼音 [húndùnzàoshēng]
混沌噪聲 英文
chaotic noise
  • 混 : 混形容詞1. （渾濁） muddy; turbid2. （糊塗; 不明事理） foolish; stupid
  • 沌 : 沌構詞成分。
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 混沌 : 1 （宇宙形成前的景象） chaos; the chaotic world in prehistoric times 2 （無知的樣子） innocent as...
  1. The circuit is used in high resolution resistance measuring. the coupled chaotic circuit array composed of this circuit is researched by computer simulation and circuit experiment. results show that, it is feasible to improve the stability of orders of chaotic systems and reduce noise in measuring by coupling

    最後，對以這種單電源驅動的混沌電路為基本單元所構成的耦合混沌陣列在提高系統輸出的穩定性和抑制噪聲作用方面，進行了計算機模擬研究和實際的電路實驗研究，結果顯示通過耦合的方式，可以將信號檢測的精度提高近一個數量級。
  2. Fractal statistics, noisy chaos, and the fmh

    分形結構，噪聲混沌，和fmh 。
  3. Chaotic switching modulations introduce low - frequency harmonic spectrum of output voltage as random switching modulation. in some case, low - frequency noise ripple offset the effect chaotic switching modulations reduce the level of emi. it indicates that the ccfmfd integrates the advantages of spreading harmonic power at the multiples of the switching frequency and not introducing significant noise ripple at low - frequency range. among all chaotic switching modulations, the ccfmfd is considered as the best choice in applying to dc / dc converter

    與隨機調制模式相同，混沌開關調制模式也引入輸出低頻噪聲紋波，有些情況下低頻噪聲紋波可能抵消混沌開關調制降低emi水平的效果。分析表明： ccfmfd模式具有較好的降低emi水平和引入較小低頻紋波的優點，可以作為混沌調制模式較佳的選擇。
  4. Very weak signal was detected based on the property of chaotic system ' s sensitivity to initial conditions, and noise was reduced by coupling chaotic measurement circuits

    摘要利用混沌系統的初值敏感性來測量極其微弱的信號，並通過混沌測量電路耦合來抑制噪聲。
  5. It can be learned by analyzing the ship radiated noise signals using nonlinear methods that the ship radiated noise signals are n ' t rigid fractal signals, but there are positive maximum lyapunov exponents, this indicates that the ship radiated noise signals are nonlinear

    通過對艦船輻射噪聲進行混沌特徵分析，結果表明，艦船噪聲不具有嚴格分形性，但具有正的最大lyapunov指數存在，這說明艦船噪聲信號中有非線性成分存在。
  6. In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition

    本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特性和擴頻通信系統編碼同步的理論，然後針對自編碼擴頻通信系統提出了擴頻序列捕獲方案:周期性地加入混沌序列同步碼，並採用恆虛警率匹配濾波器捕獲法;在加性白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬，分析了各種捕獲性能:在選擇性能最優的混沌序列、適當的序列長度、虛警概率及門限值的情況下，可以獲得較短的捕獲時間和較大的捕獲概率。
  7. The sensitivity to the initial value of chaos system makes it easy to produce a lot of sequences, which can be the source of the digital noise

    混沌系統對初始值的極端敏感又使得由它產生的序列量眾多，從而成為數字噪聲取之不竭的源泉。
  8. Circuit experiments consisting of two measuring units and computer analysis prove the method is effective, and circuit experiments consisting of n measuring units show noise reduction will be better as n increases

    兩個混沌測量電路的耦合實驗和計算機數值計算驗證了這種方法是有效的，又進一步討論了由n個單元電路構成的耦合實驗，可得到隨著n的增加它抑制噪聲的能力也增強。
  9. By coupling of many chaotic circuits, orbits can be closed each other, distance can be shorted, and noise in measuring can be reduced

    它是通過混沌電路的耦合，使耦合軌道相互靠攏，軌道距離減少，從而抑制電路中的噪聲。
  10. Realized stc synchronization in cgle by using several methods, such as noise induced synchronization, chaos signal driven synchronization, regular signal driven synchronization, substituted signal driven synchronization

    採用多種方法實現了金茲伯格一朗道方程中時空混沌的同步，包括:噪聲感應同步，混沌信號驅動同步、規則信號驅動同步，替代信號驅動同步等。
  11. The effects of stochastic excitation on the period - doubling bifurcation and chaotic motions of the softening duffing oscillator, are discussed in detail

    摘要討論了有界噪聲激勵對軟彈簧杜芬振子的倍周期分岔至混沌運動的影響。
  12. The efficiency of the error - based detecting method when it is used to detect dsss signal in chaotic noise is analyzed theoretically, and simulations are carried out to show its feasibility and efficiency. 4

    從理論上分析了用於檢測周期信號的基於混沌噪聲模型的誤差檢測方法，對檢測混沌噪聲中的直擴信號同樣有效，並通過模擬實驗證實了這種誤差檢測方法用於檢測微弱直擴的可行性和有效性。
  13. 3. the detection of delicate signals in chaotic noise is studied

    3 、研究了混沌噪聲中微弱信號的檢測問題。
  14. The main purpose of this thesis is to try to detect weak sine signal embedded in chaos

    本文研究的目的是檢測混沌噪聲背景中的微弱正弦信號。
  15. Weak signal detection and extraction against the background of chaotic noise based on empirical mode decomposition

    基於經驗模態分解的混沌噪聲背景下弱信號檢測與信號提取
  16. Simulation results and real - life data are used to show the feasibility of the proposed method. ls - ar spectrum method and ga - mpsv are presented to solve the estimation problems in chaotic noise

    基於混沌噪聲的預測值，提出了混沌噪聲中的信號檢測方案，並進行了相應的模擬試驗。
  17. The principle of the error - based detecting method used in the detection of periodical signals is theoretically analyzed, and simulations are carried out to show its feasibility and efficiency

    從理論上分析了混沌噪聲中檢測微弱周期信號的誤差檢測方法的原理，並作了計算機模擬實驗，驗證了其可行性和有效性。
  18. This error - based detecting method is improved, that is, predicting the chaotic noise is changed to estimating the chaotic noise. a predicting method is improved to an estimating method to estimate the chaotic noise. then the time used to train the parameters is saved, and no invalid detection will be gotten even if signals come into

    4 、改進了誤差檢測方法，即，將預測混沌噪聲改為估計混沌噪聲，並改進了一種非線性預測演算法，將其用於估計混沌噪聲，省去了參數訓練的時間，避免了參數尚未訓練好時就有信號進入背景噪聲中，而使檢測無效的情況。
  19. Effects of noise to the approximate entropy of the chaotic system

    噪聲對混沌系統近似熵的影響
  20. We reconstructed the phase space and calculated the nonlinear parameters such as correlation dimension, the largest lyapunov exponent, approximate entropy, and l - z complexity of the data. it can be conclud from the results that the reconstruction of heart beat rate signal is strange, its correlation dimension is between 5 to 7 and have the character of fractal dimension, its largest lyapunov exponent is larger than zero, its approximate entropy and l - z complexity are obviously differ from noise. we can draw a conclusion from all above : the heart beat rate signal is n ' t simple noise, it is high dimensional chaos obeys certain dynamical law

    我們還對信號進行了相空間重構，計算了信號的關聯維數、最大lyapunov指數、近似熵和復雜度這幾個非線性特徵量，我們發現，心率信號的吸引子是奇怪吸引子，關聯維數介於5到7之間，具有分維的特徵，其最大lyapunov指數大於0 ，其近似熵值和復雜度值明顯區別于噪聲，這說明心率信號不是隨機噪聲，它是服從確定性動力學規律的高維混沌信號。
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