Synthetic-aperture radar (SAR) is a form of radar that is used to create two-dimensional images or three-dimensional reconstructions of objects, such as landscapes. [1] . SAR uses the motion …

2021年11月29日 · 扫描模式 (scanSAR):以牺牲一定的分辨率来解决距离模糊对方位向脉冲重复频率 (pulse repetition frequency, PRF)的限制问题，从而增大测绘带宽度。 这种模式多用于星 …

What is Synthetic Aperture Radar? Synthetic aperture radar (SAR) is a type of active data collection where an instrument sends out a pulse of energy and then records the amount of …

Synthetic aperture radar (SAR) satellites collect swaths of side-looking echoes at a suf-ficiently high range resolution and along-track sampling rate to form high resolution imagery (see …

SAR-mode “Scan” A synthetic aperture radar having the capability to illuminate several subswaths by scanning its antenna off-nadir into different positions. This is the SAR-mode “Scan”.

本文介绍了SAR卫星的三种主要成像模式：条带模式、扫描模式和聚束模式。 条带模式提供宽幅成像，扫描模式覆盖大面积但牺牲了部分方位向分辨率，而聚束模式则通过高角度分辨率聚焦于 …

合成孔径雷达 SAR（Synthetic Aperture Radar）：是一种雷达获取技术。 解释：用一个小天线作为单个辐射单元，将此单元沿一直线不断移动，在不同位置上接收同一地物的回波信号并进行 …

2024年11月11日 · SAR成像算法是实现高质量图像的核心，决定了成像质量和处理效率。本文将详细介绍三种主要的SAR成像算法：距离多普勒算法（Range-Doppler Algorithm，RDA）、波 …

Construction features and main characteristics of a tomographic complex based on a single-position space radar with synthetic aperture radar (SAR) operating in the single-pass squint …

Stripmap mode, spotlight mode, and sliding spotlight mode are the three SAR working modes. We present a comprehensive and systematic study for demonstrating differences among the three …