| 1. | Real aperture radar
真实孔径雷达 |
| 2. | Synthetic aperture radar ( sar ) is a new type of radar system developed since 1950 ’ s . it breaks through the resolution limitation imposed by real aperture
对于合成孔径雷达( sar ) ,运动是它成像的依据,也是问题产生的根源。 |
| 3. | This dissertation is focused on the study of microwave imaging system with real aperture antenna and its application . significant results of the work include : 1
对雷达成像的结果的研究，即雷达目标散射中心分布的研究，也是雷达目标特性建模工作的一个重要部分。 |
| 4. | A two - dimensional microwave imaging system in x band with stepped frequency signal and real aperture antenna is established . two - dimensional super - resolution algorithm is applied in this system
本文围绕实孔径微波成像系统，在提高系统的角度分辨率、二维超分辨处理和基于强散射中心分布的rcs数据压缩等方面进行了研究。 |
| 5. | It is used in conventional real aperture radar for improving angle resolution . numerical and experimental results show that by using awsm . the angular resolution is improved by a factor of 1 . 8 when signal - to - noise ratio equals to 15db
实验结果表明，在15db的信噪比下，采用角度权重方位超分辨技术可以使方位分辨率的改善因子达到1 . 8以上。 |
| 6. | Synthetic aperture radar ( sar ) is a new type of radar system developed since 1950 ' s . it breaks through the resolution limitation imposed by real aperture . with pulse compression technology , two - dimensional high resolution to distant targets can be realized
合成孔径雷达( sar )是五十年代发展起来的一种新型雷达体制，它利用合成孔径原理，突破了实孔径天线对分辨率的限制，并结合脉冲压缩技术，可以对远距离目标进行方位向和距离向两维高分辨成像。 |
| 7. | Based on the doppler effect and pulse coherence technique , synthetic aperture radar ( sar ) breaks through the azimuth resolution limitation imposed by real aperture antenna . in combination with the pulse compression technique , two - dimensional high resolution imagery to distant targets can be realized
合成孔径雷达( sar )利用以多普勒频移理论和脉冲相参为基础的合成孔径技术，突破了实孔径天线对方位向分辨力的限制，与脉冲压缩技术相结合，实现了远距离目标的二维高分辨成像。 |
