A new approach of chaotic modulation and linear demodulation for secure communication is proposed.
提出一种新的用于保密通信的混沌调制和线性解调方法。
The effect of EMI suppression of the chaotic modulation schemes is presented in the switching converters.
论文研究了混沌调制技术在实用开关变换器中抑制电磁干扰的效果。
The key element of technology in chaotic communication and secret communication is chaotic synchronization and chaotic modulation.
混沌通信与保密通信的关键技术是混沌同步和混沌调制。
Some common scheme about chaotic synchronization and chaotic modulation has been studied in this paper, and the performance of these system has been discussed too.
本文研究了常用的混沌同步技术的方案和混沌调制技术的方案，并讨论和比较了相关技术方案的性能。
Since the synchronization error is independent of information signal, the chaotic modulation for large amplitude and fast varying information signals can be achieved.
由于同步误差与信息信号无关，从而实现了大幅度、快时变信息信号的混沌调制通信。
Simulation results demonstrate: the chaotic modulation signals generated from the four kinds of chaotic sources can all reduce the peak level of the input current and the output voltage spectrums.
仿真结果表明：四种混沌源调制生成的混沌开关调制信号，均能够降低电源的输入电流及输出电压的频谱峰值。
This paper analyzes a kind of chaotic modulation signals, the phase-modulated radar signals are generated by chaotic signals, at the same time the ambiguity function of the coded signals is given.
本文研究了一类混沌编码信号，利用混沌信号进行雷达信号的相位编码，并且计算了这类编码信号的模糊函数。
Chaotic signals at different wavelengths can be generated by adjusting the pump power, modulation frequency and tunable filter, and chaos synchronization is achieved.
通过调节泵浦功率、调制频率和可调谐滤波器，可以产生不同波长的混沌信号，并实现混沌的同步。
Chaotic laser synchronization is mainly limited by cross phase modulation in the fiber and the propagation nonlinear phase shift is educed.
证明了光纤的交叉相位调制是限制激光混沌在光纤传输中同步的主要原因，导出了系统传输的非线性相移。
Chaotic sequences were generated, quantized and coded into binary sequences which were used for modulation of UWB signal based on DSP technology.
采用DSP技术产生混沌信号，再量化、编码成二值序列，用来调制uw B脉冲信号。
A chaotic digital communication system via bifurcation parameter modulation is presented.
提出一种基于分岔参数调制的混沌数字通信系统。
Based on the idea of the Schmidt orthogonalization and the orthogonal chaotic carriers being generated, a chaos-based quadrature modulation communication system is proposed and realized.
基于施密特正交化的原理，在产生正交混沌载波的基础上，提出并实现了一种基于混沌的正交调制通信系统。
On the other hand compared with traditional chaotic parameters modulation, this method can transfer information when synchronism precision is low.
另一方面在于与以往的单纯混沌参数调制不同，此方法可以在同步精度较低时，实现信息的传输。
The effect of chaotic switching modulation signals of different chaotic characters on reducing the level of EMI is analyzed.
对不同性质混沌调制信号降低电磁干扰水平效果进行了分析。
On one hand this method can encipher information, on the other hand compared with traditional chaotic parameters modulation, this method can transfer information when synchronism precision is low.
另一方面在于与以往的单纯混沌参数调制不同，此方法可以在同步精度较低时，实现信息的传输。
Then, the system block of two chaotic communication system is given, I, e. chaotic carrier modulation system and chaotic carrier key system.
在此基础上给出了两种混沌保密通信系方案，即混沌载波调制系统和混沌载波键控系统。
From the point of view of the modulation of RPPM, chaotic signal with stochastic characteristics is introduced as its modulation, which has the good performance just like the random signal.
从随机脉位调制脉冲多普勒雷达信号调制角度出发，又引入了具有类随机性的混沌信号作为其基本调制信号，性能与采用随机信号相接近。
Chaotic on-off keying (COOK) and differential chaos-shift keying (DCSK) are two simple modulation schemes.
混沌开关键控(COOK)和差分混沌键控(DCSK)是两种基本的调制方案。
Self-phase modulation of fiber does not affect the pulse shape of chaotic signal, however, its product of nonlinear phase shift can widen the chaotic signal spectrum.
结果表明：自相位调制不影响混沌信号脉冲的形状，但能产生非线性相移使混沌信号频谱展宽；
Replaced the random signals with chaotic signals, all kinds chaotic switching modulation mode can be obtained.
将随机调制模式中的随机部分用混沌信号替代，得到了多种混沌开关调制模式。
The results show that the model can exhibit chaotic behavior without any perturbation or modulation terms.
结果表明，该模型在不加扰动项或调制项时，即存在着混沌演化行为。
Chaos masking, chaotic parameter modulation, chaos shift keying, chaotic spread spectrum sequence are discussed in detail.
其中重点分析了混沌掩盖技术，混沌参数调制技术，混沌键控技术和混沌扩频技术的原理。
The paper presents the effectiveness of EMI suppression of switching converters with a chaotic frequency modulation scheme (CFMS).
探讨了混沌频率调制技术在开关变换器中抑制电磁干扰的实际效果。
The paper presents the effectiveness of EMI suppression of switching converters with a chaotic frequency modulation scheme (CFMS).
探讨了混沌频率调制技术在开关变换器中抑制电磁干扰的实际效果。
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