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high-resolution-one-dimension
- 高分辨率要求系统具有大的带宽,瞬时带宽的增加必将提高系统对硬件的要求,本文采用方便灵活的步进频率波形信号。脉间频率步进波形通过子脉冲载频的步进变化来获得大的有效带宽,使成像具有高分辨率,采用加窗和补零方法提高信噪比,但该信号对目标径向速度非常敏感。采用补零方法提高距离取样分辨率,使距离像细化,并用公式说明了补零只能提高距离取样分辨率,并不能改变频率步进信号的距离分辨能力。该信号波形对目标径向速度的敏感,使目标能量分散到邻近的距离单元造成距离分辨率下降,如果不事先进行速度补偿,直接对回波信号进行逆
基于压缩感知的二维雷达成像算法
- :压缩感知理论能够有效地降低高分辨率雷达成像系统的数据率。该文通过对复基带雷达回波信号模型的稀 疏性分析,提出了一种具有保相性的压缩感知距离压缩算法。在此基础上建立了距离向采用压缩感知距离压缩算法, 方位向采用传统的雷达成像算法处理的雷达2 维成像方案。通过对仿真和实测逆合成孔径雷达数据的成像处理验证 了方案的有效性
SAR HRRP
- 本文档是供MSTAR提供的公共数据库中,利用SAR成像一维距离像的编程说明。-This document is for the MSTAR public database, using the one-dimensional SAR imaging distance like programming instructions.
1Dgrappa
- 并行磁共振成像中基础算法GRAPPA的应用实例,一维成像,8线圈采集的数据-1D GRAPPA reconstruction from an 8-channel head array coil using least-square matrix inversion. The data were simulated from the combination of B1 fields by Biot-Savart s law and anatomical features from MPRAGE s
1dsense
- 并行磁共振成像的经典算法SENSE在一维成像中的应用-1D SENSE reconstruction from an 8-channel head array coil using least-square matrix inversion. The data were simulated from the combination of B1 fields by Biot-Savart s law and anatomical features from MPRAGE sequences
leidamubiaoshibie
- 针对雷达一维距离成像辨识的最新博硕士论文,这几篇论文概括了近几年对雷达图象辨识的最新进展,是雷达距离成像最好的资料。 -One-dimensional radar imaging for identification from the latest Theses, which outlined several papers on the radar image recognition in recent years, the latest development, is the best i
SAR_chegnxiang
- synthetic aperture radar signal processing with matlab algorithms 英文书的附带源代码,书是全英文的,作者是Mehrdad Soumekh。我没有电子书,只有复印的。 此成像算法包括一维距离像、条带式、聚束式等多种模式的SAR成像。可以作为有一定SAR基础的同行的编程参考。 友情提供-synthetic aperture radar signal processing with matlab algorithms Eng
FFT
- FFT简称为快速傅里叶变换,是DTF处理的一般实现方法,一维距离成像就是对差拍信号进行FFT变换,变换所得到的幅值图像横坐标为距离信息,纵坐标为幅值信息,通过一维仿真,我们可以看到目标距离相对应的幅值信息。-FFT referred to as fast Fourier transform, is DTF processing general method, a d imaging is difference from pat signal FFT transform
FDTD_1D_HzEy
- 一维成像FDTD,TM电磁波各处场强的数值,完全匹配成PML内参数的设置。-A d imaging FDTD, TM electromagnetic wave field numerical everywhere, fit into PML parameter set in
RCS-yiweixiang
- RCS一维成像 在暗室中对散射体进行测量,将测试数据进行保存。此程序可由测试数据计算一维像-RCS one-dimensional imaging in the dark of the scattering body measurements, test data to be saved. This procedure may be test data to calculate the one-dimensional like
step-fre-one-dim-imaging
- 步进频一维成像算法MATLAB实例,从数据生成到成像全过程完整。-Stepped Frequency-dimensional imaging algorithm MATLAB instance, generated the imaging data to complete the whole process.
lfm11.m
- 线性调频信号,sar合成孔径雷达点目标成像,一维成像-Chirp signal, sar SAR point target imaging, a one-dimensional imaging
VFM_ISAR
- 实现V调频信号ISAR成像一维距离像和二维图像,同时可改变注释中代码调整仿真成像的对象以及成像过程中信噪比等问题。(V frequency modulation signal, ISAR imaging, one-dimensional range image and two-dimensional image can be changed, while the code in annotation can be adjusted, the object of simulation imagin
雷达信号处理入门
- 雷达一维信号的产生及一些简单的一维成像算法的matlab实现,供入门新手参考(The generation of one-dimensional radar signal and the realization of some simple one-dimensional imaging algorithm for beginners ' reference)
TurningTable
- 线性调频信号的解线频调算法实现,二维转台成像的二重积分法实现(Linear FM signal dechirp algorithm, the realization of two-dimensional turntable imaging double integral method)
米波一维两球高频
- 雷达信号波长为米波对两个球目标进行一维ISAR成像(One dimensional ISAR imaging of two ball targets is based on the microwave wave length of the radar signal.)
压缩感知一维成像
- 压缩感知一维成像,重构点目标,拥有OMP,BCS子程序(Compressed sensing one-dimensional imaging, reconstruction of point targets, with OMP, BCS subroutine)
mai_chong_ya_suo
- 脉冲压缩算法实现以及雷达的一维距离成像,分辨率研究(The implementation of pulse compression algorithm and one- dimensional distance distance imaging of radar)
一维距离维
- 一维距离维的成像仿真,可以实现一维方向的图像再现(Imaging of One-dimensional Distance Dimension)
sanshe
- 多散射中心目标的成像仿真实验,利用步进频率得到目标的一维距离像(In the imaging simulation experiment of multi scattering center target, the one-dimensional range profile of the target is obtained by using the step frequency)