1) large range cell migration
大距离徙动
1.
To resolve the precise imaging problem of spaceborne Scanned-beam Synthetic Aperture Radar(ScanSAR) with large range cell migration,a novel Equivalent-Squint Extended Chirp Scaling(ES-ECS) algorithm is proposed.
本文提出一种适用于大距离徙动星载ScanSAR成像处理的等效斜视距离模型Extended Chirp Scaling(ECS)成像处理算法。
2) range migration
距离徙动
1.
The algorithm uses the SAR range migration to resolve the PRF ambiguity by searching for a PRF-ambiguity number that minimizes the intensity contrast in the range-Doppler domain.
利用SAR所固有的距离徙动(range m igration,RM)现象的性质,通过搜索使距离D opp ler域(range-D opp ler,R-D)信号强度对比度最小的D opp ler中心模糊数,就能实现解模糊。
2.
Chaotic binary code signals were introduced in Synthetic Aperture Radar(SAR),and by taking range migration into account,point target imaging and anti-deception jamming were simulated.
将基于logistic映射的混沌二相编码信号引入合成孔径雷达(SAR),在考虑距离徙动的情况下,对点目标成像和反欺骗干扰进行了仿真。
3.
The method can perform range migration correction by using the statistical property of the signal in the range-doppler domain without any information about SAR platform motion,leading to a better accuracy of traditional auto-focusing methods,and further,the PRF-ambiguity can be resolved.
该方法可在雷达运动参数未知的情况下,利用距离多普勒域信号的统计特性,实现距离徙动校正,提高传统自聚焦方法的精度,进而实现解多普勒模糊。
3) range cell migration
距离徙动
1.
Fast algorithm for airborne SAR range cell migration correction;
一种机载SAR距离徙动修正的快速算法
2.
Taking point target imaging of airborne side-looking SAR as an example, the range cell migration in the SAR echo signals is analyzed and three types of interpolation algorithms:nearest neighbor approximation,Lagrange interpolation, and sinc function interpolation are studied in this essay.
在SAR的回波数据的成像处理中,距离徙动是影响二维压缩成像聚焦效果的重要因素。
4) Range migration correction
距离徙动校正
1.
Study on SAR real-time range migration correction algorithm;
合成孔径雷达实时距离徙动校正算法研究
2.
Typical interpolation algorithms such as nearest neighbor interpolation,Newton interpolation,and sinc interpolation have been proposed for range migration correction.
典型的距离徙动校正插值算法有:最近邻插值、牛顿插值、辛格插值等。
5) Range migration correct
距离徙动矫正
6) range migration algorithm
距离徙动算法
1.
Aiming at the characteristics of FMCW SAR,the signal model is analyzed in detail and range migration algorithm which is fit for FMCW S.
距离徙动算法(RMA)能对整个区域基于散射点模型实现无几何形变的完全聚焦。
2.
This thesis mainly studies one of spotlight imaging algorithms named Frequency Scaling Algorithm, and compares this algorithm with Range Migration Algorithm.
并与距离徙动算法进行比较。
3.
In the research on the SAR imaging algorithm, range Doppler algorithm and range migration algorithm are implemented.
在对合成孔径雷达成像算法的研究中,实现了距离多普勒算法和距离徙动算法。
补充资料：因水火风动故地动
【因水火风动故地动】
经云：此阎浮提地，南北阔二万一千由旬，东西阔七千由旬，厚六万八千由旬。地下有水，厚八万四千由旬。水下有火，厚八万四千由旬。火下有风，厚六万八千由旬。风下有金刚轮，过去诸佛舍利，咸在其中。或有时大风忽动，火亦随动。火既动已，水复随动。水既动已，地即随动。故云因水火风动故地动。（梵语阎浮提，华言胜金洲。梵语由旬，华言限量，或四十里，或六十、八十里也。）
经云：此阎浮提地，南北阔二万一千由旬，东西阔七千由旬，厚六万八千由旬。地下有水，厚八万四千由旬。水下有火，厚八万四千由旬。火下有风，厚六万八千由旬。风下有金刚轮，过去诸佛舍利，咸在其中。或有时大风忽动，火亦随动。火既动已，水复随动。水既动已，地即随动。故云因水火风动故地动。（梵语阎浮提，华言胜金洲。梵语由旬，华言限量，或四十里，或六十、八十里也。）
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条