ID |
原文 |
译文 |
16655 |
在基于到达相位差(Phase Differences Of Arrival, PDOA)的着靶点参数估计问题中,估计精度受到阵列结构的影响。 |
Different sensor placements have a great influence on the accuracy in Phase Differences Of Arrival(PDOA)-based hit position estimation. |
16656 |
与一般的单点目标定位问题相比,着靶点参数估计需要同时估计目标的速度和角度参数,情况更加复杂。 |
Compared with single time target localization, estimation of hit positionis more complex because of additionally considering speed and its direction. |
16657 |
为了选择合适的阵列结构以对定位结果带来有利影响,该文从灵敏度的角度分析了不同阵列结构下靶点参数估计精度各有差异的原因,为判断不同情况下接收阵列定位性能的优劣提供了理论方法。 |
In order to choose an adequatesensor geometry for source localization, a method of evaluating the performance of sensor placement bysensitivity analysis is proposed, which provides a theoretical foundation for analyzing the accuracy of hitposition estimation. |
16658 |
最后,对3种常见阵列结构进行了计算机仿真对比,仿真结果验证了利用灵敏度指标对阵列布放结构进行评估的可行性。 |
Then the sensitivities of three typical sensor geometries are analyzed and Cramer-RaoLower Bound is compared to verify the effectiveness of the proposed method using computer simulations. |
16659 |
针对空中目标的探测与跟踪的问题,该文探讨了地基综合孔径空中目标微波辐射无源探测理论及其技术的可行性。 |
In view of the detection and tracking of aerial targets, the theory of the aerial targets detected by ground-based synthetic aperture microwave measurement technology and the feasibility are discussed. |
16660 |
概述了地基综合孔径空中目标微波辐射无源探测原理; |
The detection principle of aerial targets by ground-based synthetic aperture microwave is outlined. |
16661 |
建立了空中目标探测概率方程,并从探测概率的角度详细分析了系统探测性能与相关影响因素的关系, |
The target detection probability is estimated, and the relationship between the systematic performance and related factors is analyzed in terms of the detection probability. |
16662 |
同时分析了地基综合孔径空中目标微波辐射无源探测技术的可行性; |
Meanwhile, the feasibility of the aerial targets detected byground-based synthetic aperture microwave measurement technology is analyzed. |
16663 |
并开展了地基综合孔径微波辐射计的空中目标无源探测技术的验证实验。 |
The experiments are performed that aerial targets are detected by a ground-based synthetic aperture microwave radiometer. |
16664 |
理论和实验均表明地基综合孔径空中目标微波辐射无源探测技术是可行性的。 |
Both theoretical and experimental results show that aerial targets are detected by a ground-based synthetic aperture microwave radiometer is feasibility |