A Study of Complete Bandpass Sampling Requirements for Multiband RF Signals
碩士 === 國立臺灣海洋大學 === 電機工程學系 === 98 === Direct downconversion of multiple distinct radio frequency (RF) signals using bandpass sampling received much attention in recent years. An essential problem in this approach is to select a valid bandpass sampling frequency for the RF signals. Currently availabl...
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| Format: | Others |
| Language: | zh-TW |
| Published: |
2010
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| Online Access: | http://ndltd.ncl.edu.tw/handle/92251676973623181410 |
| Summary: | 碩士 === 國立臺灣海洋大學 === 電機工程學系 === 98 === Direct downconversion of multiple distinct radio frequency (RF) signals using bandpass sampling received much attention in recent years. An essential problem in this approach is to select a valid bandpass sampling frequency for the RF signals. Currently available methods for determining the valid bandpass sampling frequency ranges are either incomplete or computationally demanding. In this paper, we propose an efficient algorithm to find the complete ranges of valid bandpass sampling frequency for direct downconverting multiband RF signals. The computational advantage of the proposed algorithm over conventional methods is justified by computer simulation. The result can facilitate the design of multiband receivers for software defined radios.
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