ID |
原文 |
译文 |
9654 |
实验结果表明,提出的算法相比于随机选取的特征点进行相对位姿估计精度更高,鲁棒性更强。 |
The experimental results show that the proposed algorithm is compared with the random feature points for relative pose estimation precision is higher, and stronger robustness. |
9655 |
太赫兹合成孔径雷达(synthetic aperture radar,SAR)带宽大,能够对运动目标高分辨成像,但目标运动导致成像移位和模糊。 |
THZ SAR (synthetic aperture radar, SAR) large bandwidth, high resolution imaging of moving targets to be able to, but the shift of the target motion in imaging and fuzzy. |
9656 |
针对不同的运动形式,分别提出基于相位补偿和等效运动的运动目标成像方法。 |
According to different forms of exercise, were put forward based on the phase compensation and the moving target imaging method of equivalent movement. |
9657 |
首先分析不同运动参数对成像的影响,然后通过补偿相位和等效载机速度获得运动目标聚焦、背景模糊的图像。 |
First analysis of the influence of different motion parameters on imaging, and then through the phase compensation and equivalent load machine speed moving targets focus, blurred image in the background. |
9658 |
通过恒虚警率(constant false alarm rate,CFAR)检测和逆成像处理获得目标和背景分别聚焦的图像。 |
Through the constant false alarm rate (constant false alarm rate, CFAR) detection and inverse imaging processing target and background respectively focused image. |
9659 |
最后对两幅图像进行叠加,实现了在静止背景上对运动目标的准确成像。 |
Finally to overlay, two images to achieve the accurate imaging of moving targets in the static background to the. |
9660 |
不同信噪比条件下的电磁计算数据仿真结果验证了所提方法的有效性。 |
The electromagnetic calculation data of different SNR simulation results verify the effectiveness of the proposed method. |
9661 |
浅海低频声场具有稳定的干涉特性,水听器接收信号声强图中的干涉条纹包含了目标的运动和距离信息。 |
Shallow low frequency sound field has the stable interference characteristics of hydrophone interference fringes of received signal intensity map contains the target movement and distance information. |
9662 |
在推导水平直线阵波束域信号声强表达式的基础上,提出一种可用于单水平直线阵的运动目标被动测距技术。 |
In sound intensity level linear array beam domain signal expression is derived on the basis of a moving target can be used for single level linear array passive ranging technology. |
9663 |
该技术利用波导不变量理论并结合水平阵转向前后的波束域声强信息实现目标的被动测距。 |
The technology using the waveguide invariant theory and combining with beam before and after horizontal array to achieve the goal of passive ranging field sound intensity information. |