The consistence between linewidth broadening factor and chirp parameter in optical fiber communication system is analyzed emphatically.
重点分析了激光器方程中的线宽增长因子和光纤通信系统中啁啾参数的一致性;
The transmission spectrum bandwidth increases with the chirp parameter, while the transmission decreases, which leads to worse filter feature;
②随着啁啾系数增大,透射谱带宽增大,透射率降低,滤波性能变坏;
The transversal intensity distribution remains nearly unchanged with increasing chirp parameter for relatively large values of the pulse duration.
脉冲宽度较大时,啁啾参数增大对横向光强的影响减小。
The index modulating function and chirp parameter distribution of the CFBG were synthesized by layer-peeling(LP) inverse scattering(IS) technique.
采用基于LP算法的IS光纤光栅设计技术,设计出CFBG的折射率调制函数和啁啾分布。
For the problem of parameter estimation of one dimensional and two dimensional chirp signal in additive colored Gaussian noise, a new method based on fourth-order cumulant is proposed.
针对加性高斯有色噪声背景下的一维、二维线性调频信号的参量估计问题,引入高阶统计量,提出了一种基于四阶累积量的新方法。
For the problem of the parameter estimation of multi-component chirp signal in the additive colored noise, a method based on phase difference and time-frequency signal filter was proposed.
针对加性色噪声背景下的多分量线性调频信号参量估计问题,提出了基于相位差分的时频子空间方法。
A parameter estimation algorithm of chirp signal which makes use of the position and magnitude of non zero cyclic spectral peaks to estimate the three parameters is presented.
本文提出了利用非零循环频率处谱峰的位置与大小估计这三个参数的算法,该算法不需要信号参数的先验信息;
A parameter estimation algorithm of chirp signal which makes use of the position and magnitude of non zero cyclic spectral peaks to estimate the three parameters is presented.
本文提出了利用非零循环频率处谱峰的位置与大小估计这三个参数的算法,该算法不需要信号参数的先验信息;
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