ID 原文 译文
51077 利用方向图与信号能量空间分布的相似性，对目标信号来波方向进行聚焦搜索; Using the pattern and the similarity of the spatial distribution of signal energy, focus on the search of target signal to wave direction;
51078 区别于传统相关干涉仪测向方法，在聚焦区间内将基于RCB的导向矢量迭代估计与相关干涉测向方法融合， Different from traditional correlation interferometer direction finding method, the focus range will be based on RCB oriented vector iteration estimates and related interference direction-finding method fusion,
51079 在保证测向精度的前提下对目标信号方向进行双向迭代测量。 on the premise of guarantee the direction-finding precision bi-directional iteration measurement of target signal direction.
51080 仿真结果表明，该方法能够弥补阵列流型失配和相位噪声的影响，准确测量来波信号方向。 Simulation results show that the method can compensate for array of flow pattern mismatch and the influence of phase noise, accurate measurement to wave signal direction.
51081 在实际测向系统中，由于阵列中各阵元的相互干扰，阵列接收的噪声为空域相关色噪声， In the actual direction finding system, due to the interference of each array element in the array, array receiving for airspace correlated color noise,
51082 由于系统热噪声和散弹噪声的存在，导致阵列接收的噪声同时包含空域相关色噪声与白噪声。 due to the existence of the system thermal noise and shot noise, leading to the noise of the array receiving includes airspace correlated color noise and white noise at the same time.
51083 传统针对空域相关色噪声的信源数估计算法在白噪声背景下的估计性能往往下降。 Traditional for airspace correlated color noise source number estimation algorithm under the background of white noise estimation performance tend to decline.
51084 针对这一问题，提出了一种基于去特征处理的信源数估计方法。 In order to solve this problem, this paper proposes a based on to deal with the characteristics of source number estimation method.
51085 该方法对数据协方差矩阵进行去特征处理，得到一组与特征值相对应的新数据协方差矩阵， The method to deal with the characteristics of the data covariance matrix, and get a set with eigenvalues corresponding to the new data covariance matrix,
51086 利用新数据协方差矩阵在信号和噪声子空间上的投影矩阵构造判决函数，进而实现信源数估计。 using new data covariance matrix on the signal and noise subspace projection matrix structure decision function, then realize the source number estimation.