| ID | 原文 | 译文 |
| 54687 | 首先利用图像的极化信息对原图像按结构特征分类,形成分类标记图;然后采用正交匹配追踪(orthogonal matching pursuit,OMP)算法对图像进行稀疏分解,利用K奇异值分解(K-singular value decomposition,K-SVD)算法对过完备字典进行训练更新,得到图像相应的训练字典和稀疏系数,重构图像;最后在重构图像中按分类图增强相应的点线目标。 | First use of polarization information of the image of the original image according to the structure characteristics of classification, form classification mark figure;Then the orthogonal matching pursuit (orthogonal matching pursuit, OMP) algorithm for image sparse decomposition, using singular value decomposition (SVD) K (K - singular value decomposition, K - SVD) training algorithm for complete dictionary update, get the image of the corresponding training dictionary and sparse coefficient, reconstructing images;Finally according to the classification figure in the reconstructed image enhancement corresponding target point line. |
| 54688 | 利用美国AIRSAR系统采集的半月湾地区数据进行实验表明:该方法在实现图像去噪的同时,能够有效的保持地物的散射特性。 | Using the AIRSAR system of half moon bay area data experiments show that the method in the implementation of image denoising and at the same time, can effectively keep the scattering characteristics of ground objects. |
| 54689 | 随着未来宽带、超宽带通信技术的发展,现有以传统奈奎斯特采样定理为基础的信号的采集、传输、存储和处理系统将面临严峻的挑战,模拟-信息转换器(analog-to-information convertor,AIC)将可能是这些挑战的有效解决途径。 | With the development of future broadband, ultra broadband communication technology, the existing traditional Nyquist sampling theorem based signal collection, transmission, storage and processing system will face serious challenges, analog information converter (analog - to - information convertor, AIC) would be an effective way to solve the challenges. |
| 54690 | AIC是近年来国内外研究的热点,其以压缩感知原理为理论基础,突破传统的奈奎斯特采样定理的约束,以远低于奈奎斯特速率对信号进行采样,并确保能准确重构出原始信号,是稀疏信号的有效获取方法。 | AIC is a hotspot of research at home and abroad in recent years, based on the theory of compressed sensing principle, break through the traditional Nyquist sampling theorem, far lower than the Nyquist rate of signal sampling, and ensure that can accurately reconstruct the original signal, is the effective method to obtain the sparse signal. |
| 54691 | 以稀疏信号采集为主线,综述了近年来AIC设计与实现的研究进展,分析了不同方案在稀疏信号获取方面的优势与不足,描述了国内外的相关研究进展,并对未来AIC可能的发展方向进行了展望。 | With sparse signal acquisition as the main line, AIC in recent years were reviewed the research progress of the design and implementation, analyzes the different schemes in sparse signal gain advantages and disadvantages, describes the related research progress both at home and abroad, and for the future development direction of AIC may is prospected. |
| 54692 | 超宽带合成孔径雷达(ultra-wideband synthetic aperture radar,UWB-SAR)成像算法中后向投影算法(back-projection algorithm,BPA)和可扩展的Omega-K算法成像精度很高,但成像处理中的复数插值操作带来了较大的运算负担。 | Ultra-wideband synthetic aperture radar (ultra wideband synthetic aperture radar, UWB SAR) imaging after algorithm to the projection algorithm (back - the projection algorithm, BPA) and extensible Omega K imaging precision is high, but in imaging processing complex interpolation operation has brought large calculation burden. |
| 54693 | 非线性调频变标算法(nonlinear chirp scaling algorithm,NCSA)不存在复数插值处理,成像效率较高,由于级数展开处理存在近似,SAR图像存在一定的距离方位耦合副瓣。 | Nonlinear frequency modulation to the algorithm (nonlinear chirp scaling algorithm, NCSA) there is no plural interpolation processing, imaging efficiency is higher, because of the series expansion approximation processing, SAR image has certain distance sidelobe bearing coupling. |
| 54694 | 提出了一种新的UWB-SAR成像算法,通过对SAR距离脉压后的距离时域数据进行非均匀傅里叶变换,去除距离方位的耦合。图像消除了距离方位耦合副瓣,具有较好的质量。 | A new UWB SAR imaging algorithm is proposed, based on SAR distance after the pressing of arteries and veins to non-uniform Fourier transform, the time domain data to get rid of the coupling distance orientation. Image bearing eliminates the distance sidelobe, coupled with good quality. |
| 54695 | 随着成像点数的增多,本文算法成像效率接近NCSA成像效率。 | Along with the increase in imaging points, the algorithm imaging efficiency approaching NCSA imaging efficiency. |
| 54696 | 仿真结果验证了该算法的正确性。 | The simulation results verify the correctness of the algorithm. |