Multi-channel Data Acquisition and Digital Beam Forming system for Space-borne Sweep SAR Mission

被引：0

作者：

Gangele, Shalini ^{[1
]}

Prajapati, Vipin ^{[1
]}

Sinha, Samrat ^{[1
]}

Agrawal, Rinku ^{[1
]}

Patel, Himanshu ^{[1
]}

Singh, Vikas ^{[1
]}

Kumar, B. Saravana ^{[2
]}

Rao, Dr Ch V. N. ^{[3
]}

机构：

[1] ISRO, Space Applicat Ctr SAC, Microwave Sensors Digital Elect Grp MSDG, Bengaluru, India

[2] ISRO, Space Applicat Ctr, Microwave Sensors Digital Elect Grp MSDG, Bengaluru, India

[3] ISRO, Space Applicat Ctr, Microwave Remote Sensors Area, Bengaluru, India

来源：

2024 IEEE SPACE, AEROSPACE AND DEFENCE CONFERENCE, SPACE 2024 | 2024年

关键词：

SAR; DBF; Sweep SAR; BAQ; FPGA;

D O I：

10.1109/SPACE63117.2024.10668116

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

One of the major advantages of onboard Digital Beam Forming (DBF) system is that it substantially reduces the SAR sensor data rate, while improving the system performance. ISRO's first 24-channel Data Acquisition and Beam Forming (DABF) system has been successfully designed and developed at Space Applications Centre for Dual Frequency Sweep SAR (Synthetic Aperture Radar) mission. This paper discusses the hardware design details, beam forming algorithm implementation and performance of multi-channel data acquisition & digital beam forming system, developed for the NASA-ISRO Synthetic Aperture Radar (NISAR) mission, based on a novel Sweep SAR concept.

引用

页码：1084 / 1088

页数：5

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