查询词典 DOA

Two methods of 2-D DOA estimation for L-shape arrays with noncircular sources are proposed.

针对单L阵提出了两种利用信号非圆特性的二维DOA估计算法。

By means of the preprocessing technique, the well known space smoothing method and MODE method which can only be used to ULA can then be applied to VULA to estimate DOA's of coherent sources.

盲估计算法是在整个模型空间内寻找与相干信源对应的广义方向向量，然后再由广义方向向量估计各个相干信源的方向。

The independent bases are denned for ICA. Using the independentbases in ICA, the DOA of signals can be estimated.

在此基础上，本文定义了独立矢量基，并利用独立矢量基的投影关系，对阵列中常见的DOA问题进行了研究，获得了对阵列信号的方位角估计。

Unless item was received DOA, buyer will be responsible for a 20% restocking fee.

卖家无法对运送的时间负责，运送时间会因时而异，尤其是节日。

Qawasmeh asked."To be martyred,"Doa sniffled.

多阿哭着鼻子说：&成为殉道者。&

The algorithm produces optimal weight by combining wideband with narrowband weight on the premise of accurate DOA estimation.

该算法在已精确估计出信号和干扰方向的前提下，把窄带权和宽带权相结合形成最优权。

Based on the estimation of the directions of arrival and the Doppler frequencies of the sources, a quaternion model was proposed, which made the estimation of the DOA and the Doppler frequencies similar to that of one-dimensional azimuths so as to avoid direct and indirect pairing with the complex model.

针对阵列信号处理中方向角、多普勒频率的同时估计问题，提出了方向角、多普勒频率的四元数模型，使估计方向角、多普勒频率二维问题与估计一维问题相类似，从而避免了在经典的二维复数模型估计中直接或间接的配对。

Analysing the information strcture of the cross diploes, a DOA and polarization estimation method is presented for broadband signals.

研究了正交偶极子阵列的信息构成，提出基于该阵列的宽频段信号DOA与极化联合估计算法。

Different from the typical DOA algorithms, we adjust the directivity of beams with the aid of position information provided by localizers, which can simplify the realizable complexity.

区别于传统的波达方向计算方法，论文中利用节点的位置信息对定向天线的波束方向进行调整，有效的减少了计算复杂度。

In this paper, the mathematical model of OFDM systems with cyclic prefix and virtual subcarrier is derived first. We propose a new carrier frequency offset estimation algorithm using the DOA-MATRIX method.

给出了加入循环前缀和具有虚拟子载波的正交频分复用系统的数学模型，利用DOA-MATRIX方法，提出了一种新的载波频率偏移估计算法。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。