Multiplier-free filters for wideband SAR

被引：0

作者：

Dall, J ^{[1
]}

Christensen, EL ^{[1
]}

机构：

[1] Tech Univ Denmark, Orsted DTU, DK-2800 Lyngby, Denmark

来源：

IGARSS 2001: SCANNING THE PRESENT AND RESOLVING THE FUTURE, VOLS 1-7, PROCEEDINGS | 2001年

关键词：

multiplier-free filters; filter optimization; digital demodulation; SAR;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper derives a set of parameters to be optimized when designing filters for digital demodulation and range prefiltering in SAR systems. Aiming at an implementation in field programmable gate arrays (FPGAs), an approach for the design of multiplier-free filters is outlined. Design results are presented in terms of filter complexity and performance. One filter has been coded in VHDL and preliminary results indicate that the filter can meet a 2 GHz input sample rate.

引用

页码：1568 / 1570

页数：3

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