ID |
原文 |
译文 |
10044 |
提出的终端碰撞角约束制导律是以弹目视线角速率及碰撞角误差为状态向量进行推导,并研究了闭环系统局部渐进稳定的条件。 |
The terminal impact Angle constraint guidance law based on the angular rate of the line of sight and collision Angle error are derived for state vector, and the conditions of the locally asymptotic stability of the closed-loop system are studied. |
10045 |
该制导律不需要进行剩余时间的预测。 |
Don't need to carry on the forecast for the rest of the guidance law. |
10046 |
最后针对目标不进行机动、进行阶跃机动、正弦机动及目标最优机动形式4种情况,进行了制导律的仿真验证。 |
Final target without motor, step motor, sinusoidal motor and target optimal maneuver 4 kinds of circumstances, the guidance law of simulation. |
10047 |
仿真结果表明该制导律对于不同机动目标均具有良好的制导效果且能很好地满足末端碰撞角约束要求。 |
The simulation results show that the proposed guidance law to the guidance of different maneuvering target has good effect and can well meet the requirements of the terminal impact Angle constraint. |
10048 |
当匹配滤波器应用于合成孔径雷达(synthetic aperture radar,SAR)成像的脉冲压缩时,由于强旁瓣原因振铃效应会在强边缘处出现,这种振铃效应会造成图像质量降低同时影响SAR图像目标信息的提取处理。 |
When matched filter is applied to synthetic aperture radar (synthetic aperture radar, SAR) imaging pulse compression, due to strong sidelobe ringing effect will appear in strong edge, the ringing effect will cause the image quality to reduce influence the extraction of SAR image target information processing at the same time. |
10049 |
Canny准则最早提出用于检测图像中的边缘,尤其分辨两条临近的边缘。 |
Canny criterion first suggested to detect the image edge, especially to distinguish between two adjacent edges. |
10050 |
文中的Canny准则被扩展应用至复数域,并且提出了新的代价函数给出了一类基于Canny边缘检测准则的改进匹配滤波器。 |
The Canny principles are extended to complex domain, and puts forward a new cost function is given for a class of improved matched filter based on Canny edge detection criterion. |
10051 |
改进滤波器可以降低SAR图像边缘处的振铃效应,仿真实验表明了改进匹配滤波器的有效性。 |
Improved filter can reduce the ringing effect of SAR image edge, the simulation experiments show the effectiveness of the improved matched filter. |
10052 |
针对矩阵补全问题中基于低秩的矩阵补全模型通常将迹范数的每一个奇异值用同一常数进行阈值化导致在滤除小奇异值的同时会使大奇异值信息丢失的问题,提出了一种基于低秩的加权矩阵补全模型。 |
Completion problem for matrix model based on low rank matrix completion will usually trace norm every singular value threshold value leads to the same constant while filtering small singular values of singular value information loss can make a big problem, this paper proposes a model of weighted matrix completion based on low rank. |
10053 |
通过对迹范数中的每个奇异值赋予不同的权重,从而避免用同一常数对所有的奇异值进行阈值化,采用逼近梯度算法解决加权的矩阵补全模型。 |
Through to trace each singular value in the norm gives different weights, to avoid the same constant threshold value, on all of the singular value using the approximation gradient algorithm to solve the weighted matrix model of the completion. |