| 1. | Numerical simulation of stochastic resonance in bistable system for detecting weak signal 随机共振在微弱信号检测中的数值仿真 |
| 2. | It is very clear that colored noise induced folt in dispersive bistable system shows very interesting phenomenon 色散光学双稳系统中色噪声诱导的非平衡相变呈现一些新奇的现象。 |
| 3. | Based on the analysis of waveform distortion caused by bistable systems , a recovery formula is proposed , and some other post treatments are considered as a whole job 本文在仔细地分析了双稳态系统输出的线性特性的础上提出了一个简单的反演方法,并发展了相关的后处理操作。 |
| 4. | Most of the literatures considering analog input are focused on simple harmonic input , because the output waveform from a bistable system is greatly distorted 同时,对于模拟信号输入的情况,大部分已有的结果都是集中在单频信号上的,这主要是由于双稳态系统的输出有严重的波形畸变。 |
| 5. | From langevin equation , the stochastic resonance characteristics of bistable system were investigated , including the probability density function and other character numbers 通过朗之万( langevin )方程,本文详细研究了双稳态系统的随机共振特性,得出系统稳态输出的概率密度分布函数及其数字特征。 |
| 6. | The stochastic resonance phenomenon in a bistable system under the simultaneous action of multiplicative and additive noise and periodic signal is studied by using the theory of signal - to - noise ( snr ) ratio in the adiabatic limit 利用随机共振理论,我们研究了在乘性和加性噪声以及周期性驱动力共同作用下的双稳系统的随机共振现象。 |
| 7. | When there is a weak periodic signal is included in a bistable system , the effects of noise on the stochastic resonance in the system is investigated if both multiplicative and additive noise are white noise while the coupling between the two noise terms is colored noise 当双稳系统中包含有一个微弱的周期性信号,而乘性噪声和加性噪声都是白噪声,只有两种噪声之间的祸合为色噪声时,我们研究了系统的噪声对随机共振的影响。 |
| 8. | 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,我们综合运用统一色噪声近似和泛函近似的方法,推导了含有乘性色噪声和加性白噪声,并且两种噪声之间的耦合为色噪声的双稳非线性系统的定态分布摘要不同类型的色噪声对非线性光学系统的影响函数,然后通过双态理论求出系统信噪比的解析表达式,对系统的随机共振现象进行分析。 |
| 9. | In this thesis , the investigations of the application of stochastic theory in protein motor and fhn neuron model are systematically reported , which include four aspects : effects of random potential on motor protein transport ; noise - induced transition in a fhn neural model ; stochastic resonance in a bistable system subject to multiplicative and additive noise ; coherence and stochastic resonance in a globally coupled fhn neural model 现在我们集中报导对随机理论在生物马达蛋白和fhn神经模型上的应用所进行的一系列的研究,主要有以下四个方面:涨落势诱导生物马达蛋白输运;噪声诱导fhn神经模型相变:噪声关联对双稳系统随机共振现象的影响;全局耦合的fhn神经网络的随机共振和同步共振。 |
| 10. | 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 本文主要从随机共振物理力学机理与信号处理的角度,研究了非线性双稳态系统的数字特征,提出了参数调节随机共振( psr )理论和方法,并将这一理论应用到多频模拟信号处理、数字基带信号传输和数字载波调制信号传输中,引入了参数自适应随机共振和阵列随机共振系统的概念。 |