Description: 研究了利用混沌相变进行弱信号检测的理论及仿真试验( 对基于)振子初值敏感性检测弱信号的方法分
析后指出，过渡过程会影响检测性能，提出一种改进的弱信号检测方法( 对仿真输入噪声生成和仿真步长选择进行
研究后建立了仿真模型，在典型噪声背景下检测弱正弦信号( 实验结-Studied the use of chaotic phase transitions for weak signal detection theory and simulation test (based on) the sensitivity of oscillator initial value method of weak signal detection analysis pointed out that the transition process will affect the detection performance, an improved method of weak signal detection ( on the simulation input noise generation and simulation step size selection study established a simulation model, in a typical background noise detection of weak sinusoidal signal (experimental colorectal Platform: |
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Description: 研究了利用混沌相变进行弱信号检测的理论及仿真试验( 对基于)振子初值敏感性检测弱信号的方法分
析后指出，过渡过程会影响检测性能，提出一个猜数游戏，一种改进的弱信号检测方法( 对仿真输入噪声生成和仿真步长选择进行
研究后建立了仿真模型，在典型噪声背景下检测弱正弦信号( 实验结-Studied the use of chaotic phase transitions for weak signal detection theory and simulation test (based on) the sensitivity of oscillator initial value method of weak signal detection analysis pointed out that the transition process will affect the detection performance, make a guess the number of games, an improved weak signal detection methods (for simulation input noise generation and simulation step size selection study established a simulation model, in a typical background noise detection of weak sinusoidal signal (experimental colorectal Platform: |
Size: 5120 |
Author: |
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Description: 基于双耦合Duffing振子的随机相位正弦信号检测
采用双耦合混沌振子阵列实现了随机相位微弱正弦信号的检测，在此基础上，提出了新的检测方法，即利用单个耦合混沌振子，通过临界及周期状态
的变化检测随机相位微弱正弦信号并大致估计信号相位范围，该方法比双耦合混沌振子阵列法简单，更易于实现。-Based on double coupled Duffing oscillators random phase sine signals detected by two coupled chaotic oscillator arrays to achieve a random phase weak sinusoidal signal detection, in this basis, the proposed new detection methods, namely the use of a single coupled chaotic oscillators, through the critical and the cycle random phase state change detection and generally weak sinusoid signal phase estimated the scope of the method than the two-coupled chaotic oscillators array method is simple and more easy to implement. Platform: |
Size: 211968 |
Author:魏新建 |
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Description: 产生混沌信号并对其进行中心化，计算混沌信号自相关函数-Chaotic signal and to generate centralized its calculated autocorrelation function of chaotic signal Platform: |
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Author:申朝阳 |
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Description: 为了克服用硬件电路实现混沌信号的困难，本文采用MATLAB/Simulink 软件对蔡氏电路进行仿真研究。实验结果
表明，蔡氏电路结构简单，具有极其丰富的动力学行为，提高了通信的安全-In order to overcome the chaotic signal with a hardware circuit difficulties, we use MATLAB/Simulink software simulation of Chua' s circuit. Experimental results show that the Chua' s circuit structure is simple, extremely rich in dynamics, to improve the security of communications Platform: |
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Author:陈风 |
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Description: 混沌的数值仿真主要包括MATLAB编程、SIMULINK模块构建、EWB仿真以及其他一些相关的软件仿真或数值计算等方法，从而获取混沌吸引子的相图、时域波形图、李氏指数、分叉图和功率谱等。混沌的硬件实验主要包括模拟/数字电路设计与硬件实验、现场可编程门阵列器件（FPGA）、数字信号处理器（DSP）等硬件实现方法来产生混沌信号。本节仅对各种数值仿真方法作简单介绍。-
Chaos numerical simulation including MATLAB programming, SIMULINK module build, EWB simulation and other related software simulation or numerical calculation methods, in order to gain chaotic attractor phase diagram, time-domain waveform, Lipschitz exponent, bifurcation diagrams and power spectrum. Chaos experiment hardware includes analog/digital circuit design and hardware experiments, field-programmable gate array device (FPGA), digital signal processor (DSP) hardware implementation to generate chaotic signals. This section is only a variety of numerical simulation methods for a brief introduction. Platform: |
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Author:闵国旗 |
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