1) fractional autocorrelation
分数阶自相关
1.
To realize a fast and accurate parameter estimation of multiple linear frequency modulated signals, using the property of ambiguity function and Radon transform, the paper presents a fast algorithm for estimation chirp rates of multiple LFM signals by ambiguity function calculated by fractional autocorrelation, and by Radon transform.
为实现多线性调频信号参数的快速准确估计,运用模糊函数和Radon变换的性质,提出以信号分数阶自相关实现模糊函数快速计算,并对分数阶自相关进行Radon变换,结合自适应滤波的方法来估计多线性调频信号的调频斜率,在C6701 EVM板上的仿真实验表明,算法在低信噪比下具有优良的参数估计性能,计算效率高。
2.
We relate fractional autocorrelation with radial slices of the Ambiguity Function and an estimator is developed to estimate the radial velocity.
由于目标回波为多分量同调频斜率的线性调频信号,其模糊函数在模糊平面上是一组平行直线族,直线斜率即为调频率,本文利用分数阶自相关与模糊函数的关系,得到目标径向速度的估计量,同时运用粒子群优化算法加速参数的搜索,最后利用估计得到的径向速度进行速度补偿。
2) Fractional correlation
分数阶相关
1.
A new method for passive radar MTD based on fractional correlation is presented by introducing the fractional correlation into the computation of the cross-ambiguity function(CAF).
本文将分数阶相关引入到互模糊函数的计算中,提出了一种基于分数阶相关的无源雷达动目标检测方法。
2.
The theory of fractional correlation is used in AR model power spectrum estimation in this method to turn the traditional power spectrum into fractional spectrum,so the energy of ARM signal is assembled,making the effective detection of ARM signal possible.
针对这种情况,提出一种改进的AR模型检测算法,该算法将分数阶相关理论引入到AR模型功率谱估计中,把传统的功率谱转变为分数阶谱,使ARM回波信号能量得到聚集,从而实现ARM的有效检测。
3) fractional order correlation
分数阶相关
1.
After introducing the fractional lower order statistics,including the covariation and the fractional order correlation(FOC),a new method of 2-D direction finding based on the fractional order correlation for underwater 2-D source localization using a vector hydrophones array under al.
利用稳定分布对实际中所遇到的具有较大脉冲特性的随机噪声进行建模,分析了共变在阵列信号处理中的不足,利用已有的矢量水听器模型建立一种水下目标定向系统,提出了一种基于分数阶相关的水下目标定向算法。
4) first order autocorrelation coefficient
一阶自相关系数
5) fractional autocorrelation
分数自相关
6) Fractional Autocorrelation Function
分数自相关函数
补充资料:分数阶积分与微分
分数阶积分与微分
og fractional integration and differentia-
分数阶积分的逆运算称为分数阶微分:若几介F,则f为F的:阶分数阶导数(na ctional deriVative).若0<戊
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条