有效的估计 meaning in English
the following assessment is valid: number of penetrations feather/down proof
Examples
- With the data of china ' s yearly extreme - values , the asymptotic distribution is fitted using the gumbel distributions . probability weighted moments is an effective method to parameter estimation , with which calculation is simplified and the fitting precision are improved
利用耿贝尔分布可以对我国极端温度的年极值进行渐进分布拟合，参数估计中的概率加权法是一种有效的估计方法。 - In spread - spectrum communication positioning system , the multi - path signal is always existing and unable to be eliminated . how to extracting its multi - path rapidly and real - timely is one of the key techniques in mobile communication positioning system
在扩频通信定位系统中,多径信号是一个普遍存在而又难以消除的干扰,如何实时有效的估计和提取多径干扰分量是提高移动通信定位精度的关键技术之一。 - In chapter 3 , we discuss the problem of doa estimation in the presence of spatially nonstationary noise fields . an estimate of the colored noise covariance matrix is firstly given . the received data for parameter estimation is then prewhitened using the estimated noise covariance , hence , overcoming the highly biased estimates . finally , adaptive beamforming with the modified weight is also performed . computer simulations show that the proposed method can completely remedy beam distortion . 3
在第三章讨论了一种在环境噪声为白噪声而阵元噪声为空间非平稳情况下的doa估计问题，给出了一种有效的估计阵元噪声功率的方法，进而利用估计的噪声协方差矩阵进行预处理而实现色噪声环境下的doa估计，理论分析和仿真结果均表明了本章提出的方法的有效性。