線性共振系統 的英文怎麼說

中文拼音 [xiànxìnggòngzhènxìtǒng]
線性共振系統 英文
linear resonant system
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 共 : 共動詞[書面語]1. （圍繞） surround2. （兩手合圍） span with the hand
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. Stochastic resonance of a linear system with modulated dichotomous noise

    具有調制二值噪聲線性系統的隨機共振
  2. This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results

    針對傳統的「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點，提出了一種利用模糊理論和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;針對語音信號端點檢測困難的特點，通過matlab模擬試驗，給出了能夠準確確定數碼語音端點的初始和改進參數表;提出了利用基於線性預測編碼倒譜參數和差分線性預測編碼倒譜參數相結合的離散隱含馬爾可夫模型進行第一級識別、利用共振峰參數進行第二級識別的兩級漢語數碼語音識別系統，在保證系統實時性的同時，實現連接漢語數碼語音識別系統識別率的提高;在硬體實現上，詳細闡述了基於tms320vc5402的連接漢語數碼語音識別系統各部分硬體設計;在軟體開發上，給出了連接漢語數碼語音識別的軟體設計各部分的流程圖，並對各部分進行了matlab模擬，並給出了模擬結果。
  3. Two different kinds of approximate theories for analyzing colored noise are employed in the nonlinear system. then effects of the colored nature of the noise on the statistical properties of the laser system, the stochastic resonance of bistable system, and the steady - state probability current of quasi - periodic system are investigated

    本文主要通過兩種不同的色噪聲近似理論，分析了非線性系統噪聲的有色性對激光系統的統計性質、準周期性系統的定態幾率流和雙穩系統中的隨機共振現象的影響。
  4. ( 3 ) we investigate the nonlinear dynamics of the rotor - ambs system in 1 / 3 and 1 / 2 subharmonic resonances. using the multiple method of scale, the averaged equations of the rotor - ambs system are obtained

    （ 3 ）利用多尺度方法，研究了電磁軸承-轉子系統的1 3亞諧共振和1 2亞諧共振情況下的非線性動力學，得出了兩種共振情況下的頻幅響應方程。
  5. Moreover, the block time - recursive 2 - d rdgt algorithms and their unified parallel lattice structure implementation are extended from 1 - d rdgt case. three applications of the rdgts are investigated : gabor representation for transient signals via the rdgts, mnr fid signal enhancement via the oversampled gabor transforms, representation and approximation of time - varying systems via the rdgts. the experimental results show the efficiency and advantages of the rdgts in applications

    研究了基於實值離散gabor變換的瞬變信號表示演算法、基於過抽樣實值離散gabor變換的核磁共振fid信號增強演算法以及基於實值離散gabor變換的線性時變系統表示與逼近方法，實驗結果驗證了實值離散gabor變換在應用方面的優越性和有效性。
  6. On the base of studying imaging theory of lens, the imaging theory of laser confocal scanning microscopy was analyzed in detail in this paper, and the advancement of that the optical fiber was applied to the system was described ; on the base of completed the demonstration for whole project, the experiment scheme was designed ; the relationship between the main parameters of key devices and the resolution was deduced, and the requirements of coupling efficiency and vignetting effects to optical system was analyzed ; the design of optical system and the planar scanning controlling circuit was completed ; a new method was put forward to resolved the inherent non - liner scanning problem of the galvanometer scanner by using software liner controlling in circuit design, and the perfect planar scanning was realized ; at last the low noise, high multiple and non - distortion amplify circuit of photoelectric detector was completed

    本文在透鏡成像理論的基礎上，系統、深入地分析了共焦掃描顯微成像的機理，論述了應用單模光纖的激光共焦掃描顯微成像系統的優點；進行了總體方案的論證，並設計確定了單模光纖激光共焦掃描顯微成像系統的總體方案；從理論上推導分析了解析度要求與試驗系統中相關器件主要參數之間的關系，分析了系統耦合效率和漸暈現象對光學系統的設計要求；完成了方案中光學系統和二維掃描控制電路的設計，並在電路設計中採用了用軟體解決檢流計式光學掃描器（振鏡）非線性問題的新方法，能夠實現較為理想的二維模擬掃描；完成了高增益、低噪聲和低失真的探測接收系統的設計和調試。
  7. Asymptotic method for solving resonance solutions of strongly nonlinear systems

    求強非線性系統共振解的漸近法
  8. Bifurcation and combination resonance of the hysteretic nonlinear system with three - frequency excitation

    三個激勵作用下滯后非線性系統的組合共振及分叉
  9. With the noise being added to a proper value, the system will show shochastic resonance and enhance the output signal. the sr technology is better than the traditionary signal detecting method. the best virtue of it is using the noise to enhance the capability of detecting the weak signal. and it will not harm the signal at the same time

    隨機共振系統是一個非線性系統，在一個小的周期性調制信號作用下同時輸入噪聲和信號，當噪聲增強到某一強度的時候，信噪比不僅不會降低，相反系統會產生隨機共振從而使輸出信號得到顯著的增強。
  10. The conclusions are as follows : the ultrasonic intensity is proportion to the laser intensity ; the ultrasonic induced by a laser line source has much more advantages than by a laser point source, such as stronger energy, higher snr, more directivity and shape ; the intensity of cfpi ' s output signal is linear with ultrasonic vibration velocity, and is effected by incidence angle and scattered angle ; snr will increase by reducing cfpi ' s bandwidth, reducing incidence angle, increasing cavity ' s length and reflectivity

    在分析點光源激勵聲表面波機理的基礎上，求出了線光源激勵的超聲振動的位移表達式，發現線光源激勵的近場區表面波具有波形好，信噪比高，指向性好，幅度強等特點。通過理論推導，得出共焦fabry - perot干涉儀的輸出光強除了與樣品表面的振動速度成正比，並與入射角和散射角有關；適當減小cfpi的帶寬，增加腔長，增大鏡面反射率，或者減小檢測入射角都可以提高系統的信噪比。
  11. In chapter 4, the bifurcation of the complex nonlinear oscillator of van der pol - duffing - mathieu ' s is studied and the common bifurcation property of the oscillator in the situations of nonresonance, principal resonance, ultraharmonic resonance and non - subharmonic resonance is revealed. the bifurcation of strongly nonlinear oscillator is also explored in this chapter

    第四章對非線性振動中最常見的vanderpol - duffing - mathieu復合非線性振子的分岔性質進行了系統的研究，發現了該復合系統在非共振、主共振、超諧共振和非1 2階次諧共振情況下具有相同的分岔特性。
  12. Stochastic resonance has attracted the attentions in many fields of science in recent decades, but it is a new method and theory in signal processing. in context of signal processing, for signal transmission by nonlinear systems, stochastic resonance is commonly described as an increase hi the signal - to - noise ratio ( snr ) at the output, which is obtained through an increase of noise level or tuning system parameters

    從信號處理的角度來講，隨機共振是在非線性系統信號處理中，輸入為強噪聲背景下的微弱信號，系統輸出以適宜的物理量來衡量，如信噪比，通過調節輸入噪聲強度或系統參數，都可使得系統輸出信噪比達到一個最大值，此時，稱信號、噪聲和非線性系統所產生的協同現象為隨機共振。
  13. Using this method not only the necessary condition of existence and the approximate analytic expressions of the periodic solutions for primary - harmonic, super - harmonic and sub - harmonic resonances can be obtained, but the criteria of stability for these solutions can also be gained

    該方法給出了二階強非線性非自治系統主諧波共振和超諧波、次諧波共振周期解存在的必要條件，求得了這些周期解的近似解析表達式，並且得出了解的穩定性判據。
  14. In addition, this paper discusses the application of the parameter - induced stochastic resonance in the m - ary pam signal transmission, and explains the mechanism to stochastic resonance in a new view. we found that the single well is able to distinguish different signal levels, based on which the theory for m - ary pam signal transmission via parameter - induced stochastic resonance was briefly developed. the error code rate of m - ary pam signal was obtained

    此外，本文還初步探討了參數誘導的隨機共振在多進制數字調制信號傳輸中的應用，從不同的觀點解釋隨機共振形成的機理，充分認識到非線性系統單勢井的信號處理能力，並給出多進制信號誤碼率的理論公式，模擬實驗表明這個研究方向具有很好的研究前景。
  15. Saturation and resonance in a class of non - linear systems under bounded noise excitation

    有界隨機噪聲激勵下一類非線性系統的共振與飽和現象
  16. In the point of - information theory ; - the - baseband binary pulse amplitude modulated ( pam ) signal transmission, via turning the nonlinear receiver ' s parameters, is studied over an additive white gaussian noise ( awgn ) channel. it is demonstrated that the channel capacity of binary communication systems, for a given signal added noise, can be maximized by optimal designed receivers. this new form of sr is referred to as psr in a broad sense

    本文研究並設計了含有雙穩態隨機共振系統作為一個接收裝置的基帶數字通信系統，在加性高斯白噪聲通道中，通過研究這個非線性接收器的性能，發現了數字信號傳輸中存在的參數調節隨機共振現象?通道容量隨著系統響應速度的增加具有一個共振峰值，並對這種非線性現象發生的基本機理進行了解釋。
  17. In the view of stochastic resonance ( sr ) and signal processing, parameter - turning sr ( psr ) theory and method is proposed and the characteristics of bistable systems are studied. the applications of psr in multi - frequency analog signal processing, digital baseband pulse - amplitude modulation signal transmission and digital carrier modulation signal transmission are investigated. this thesis has also introduced the concepts of parameter - adaptive sr and array - induced sr

    本文主要從隨機共振物理力學機理與信號處理的角度，研究了非線性雙穩態系統的數字特徵，提出了參數調節隨機共振（ psr ）理論和方法，並將這一理論應用到多頻模擬信號處理、數字基帶信號傳輸和數字載波調制信號傳輸中，引入了參數自適應隨機共振和陣列隨機共振系統的概念。
  18. Secondly, combining the unified colored noise approximation and the functional analysis, the steady state distribution function is derived when both multiplicative colored noise and additive white noise are included in a bistable system with colored coupling between two kinds of noise. through the two - state theory, the expression of signal - to - noise ratio ( snr ) is obtained. the phenomenon of stochastic resonance is investigated

    其次，我們綜合運用統一色噪聲近似和泛函近似的方法，推導了含有乘性色噪聲和加性白噪聲，並且兩種噪聲之間的耦合為色噪聲的雙穩非線性系統的定態分佈摘要不同類型的色噪聲對非線性光學系統的影響函數，然後通過雙態理論求出系統信噪比的解析表達式，對系統的隨機共振現象進行分析。
  19. Singular analysis of bifurcation of nonlinear normal modes for a class of systems with dual internal resonances

    雙重內共振系統非線性模態分岔的奇異性分析
  20. The coupling nonlinear vibration equations involving both the first in - plane and the first out - of - plane modes is generated by using the galerkin method. according to the derived equations, the internal resonance subjected to the in - plane excitation is analyzed by the multiple scale method. the results reveal that the internal resonance of the stay cables posses the characteristics of multiple values and divergence

    通過galerkin方法，得到了一個反映面內一階及面外一階模態的耦合非線性動力系統，用多尺度法對面內激勵下的內共振進行了分析，以實際橋梁拉索為例，得出了拉索模態耦合非線性振動具有多值、分叉等特點，並分析了拉索阻尼對模態耦合內共振的影響。
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