查询词典 DOA

Activity of Diamine oxidase: DOA is the highly active endoenzyme in the microvilli of small intestine of human and other mammal, which activity has crucial correlation with nucleic acids and protein synthesize within mucous cells and also reflects the completion or trauma level of small intestinal mucosa.

二胺氧化酶活性：DAO是人类和哺乳动物小肠粘膜上层绒毛中具有高度活性的细胞内酶，其活性与粘膜细胞的核酸和蛋白合成密切相关，可反映小肠粘膜的完整性和损伤程度。

Simulation results show the exactitude of the error analysis and the effectiveness of the improved algori...

仿真结果表明上述与信号模型相关的因素对DOA估计的精度有一定影响，与理论分析一致，且证实改进算法有效。

DOA identifiability issue for such arrays is discussed, and the corresponding Cramer-Rao Bound is derived also.

文中讨论了算法参数可辨识性的必要条件，并分析计算了多参数联合估计的克拉美-罗界。

This method can realize the separable estimation of DOA andangular spread for incoherently distributed source.

该方法可有效地实现非相干分布源波达方向和角度扩展的分离估计。

Moreover, a new method of instantaneous frequency estimation is proposed.

在第四章中，介绍了信号稀疏分解在DOA估计中的应用。

Do you have a system of analysing the root causes of DOA and implement action with intimation to the supplier?

你们是否有分析送至目的地产品作废的原因？以及对客户有个说法？

This paper derivates deterministic maximum likelihood DOA estimation algorithm cost function,then utilizes alternating projection algorithm for optimization.

推导出确定性最大似然波达方向估计算法的代价函数，然后应用交替投影算法进行优化。

A new algorithm for linear array position calibration is presented. In the case of source direction-of-arrival is uncertain, by using the least square algorithm, the source DoA is estimated based on the unwrap phase of the steering vector.

针对独立校准信源波达角未知情况下的阵列位置误差校正问题，提出了一种对信号导向矢量的绝对相位进行最小二乘线性拟合，进而估计出阵元位置误差的算法。

In the case of the same sensor number,this method which adopts appropriate array geometry arrangement can improve the resolvability of DOA estimation more obviously than the uniform linear array.

在阵元数一定的情况下，该方法可使阵列的方位分辨率较之均匀线阵有较大的改善，而且还克服了一般稀布线阵方位估计模糊和去相关能力差的缺点，成功地将空间平滑MUSIC这一经典方法用于非等矩阵。

The algorithms estimate the DOA of the broadband distributed source fron the secondary diagonal elements of the covariance matrices generated from every frequency domain of the received broadband signal s, thus avoiding unwrapping of phases.

该类算法首先将阵列接收的宽带信号变换到频率域，然后对于每个频率形成阵列接收信号协方差阵，最后由该协方差阵的次对角线元素估计宽带分布源的到达角，其主要特点是避免了相位展开。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。