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A new technique of full decoding of truncated ranges applicable to complementary codes is presented. For code length of N, the technique uses a set of N/2 complementary code pairs to obtain a diagonal decoding matrix M that enables the full decoding of truncated ranges without the need of matrix inversion, and resulting in optimum performance with regards to the signal-to-noise ratio degradation (SNRD) in the truncated ranges. Techniques of constructing the required code sequences for code length of 4, 8, 16, 32, etc., are given. By arranging the order of transmission of the code sequences systematically to increase the suppression of sidelobes resulting from atmospheric characteristics, and by performing appropriate steps to reduce the effects of interferences, it is shown that a coding system that simultaneously optimizes the performances with regards to SNRD, sidelobe suppression, and interference rejection can be obtained. Examples are given to illustrate this
Published in:
Geoscience and Remote Sensing, IEEE Transactions on
(Volume:34
,
Issue:
2
)
Date of Publication: Mar 1996
- Page(s):
- 330 - 345
- ISSN :
- 0196-2892
- INSPEC Accession Number:
- 5245115
- Digital Object Identifier :
- 10.1109/36.485111
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Mar 1996
- Sponsored by :
- IEEE Geoscience and Remote Sensing Society
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