用ADSP21062实现机载L-SAR实用系统的预处理
REALIZING PRE-FILTER OF AIRBORNE OPERATIONAL L-SAR SYSTEM WITH ADSP210062
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摘要: 该文介绍的预处理板,是根据机载L-SAR实用系统的技术要求设计完成的。它采用AD公司的最新高速数字处理芯片ADSP21062来实现预处理功能。采用这种方法研制的预处理板,预滤波比可以根据不同的需要灵活地改变,运算精度也大大地提高。本文详细介绍了预处理器的原理及实现。Abstract: This paper presents the design of pre-filter which can meet the requirements of airborne operational L-SAR system. Pre-filtering processing is carried out with the newest high-speed ADSP21062 chip from AD company. Pre-filtering ratio is changable according to difi erent demands and the precision of calculation is improved in this design. In this paper, the principle and realization of pre-filter is introduced in detail.
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朱锡兴,荆麟角等,机载SAR实时成象处理器的研制,电子科学学刊,1995,17(2),220-224.[2]禹卫东,吴淑梅,ADSP2106X中DMA的应用.电子技术应用,2000,26(6),69-72[3]ADSP-2106x SHARC users mannal, Analog Devices, 1995.[4]W. Medlin, W. Adams, Lagrange multipliter approach to the design of FIR filters for multirate applications, IEEE Trans. on Circuits and Systems, 1988, CAS-35(10), 1210-1219. -
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