| Presentation | 1999/4/23 Evaluation of SNR in Consideration of Effect of Finite Wordlength for Digital Beamforming Antennas Takashi SEKIGUCHI, Takahiko FUJISAKA, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | A digital beamforming (DBD antenna is suitable for adaptive processing. However, it inherently has problems concerning the dynamic range of analog-to-digital conversion. In this report, we construct a model for evaluating the effects of finite wordlength with fixed-point arithmetic for DBF antennas. We derive the evaluation formulae of signal to noise ratio after the beamforming processing, and compare the results of computer simulation with the derived formulae. As a result, we can find the limit of application of the evaluation formulae and the limit of the LSB level. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | ditital beamforming / analog to digital conversion / quantization noise / roundoff noise / signal to noise ratio |
| Paper # | SANE99-2 |
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| Conference Information | |
| Committee | SANE |
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| Conference Date | 1999/4/23(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
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| Vice Chair | |
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| Paper Information | |
| Registration To | Space, Aeronautical and Navigational Electronics (SANE) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Evaluation of SNR in Consideration of Effect of Finite Wordlength for Digital Beamforming Antennas |
| Sub Title (in English) | |
| Keyword(1) | ditital beamforming |
| Keyword(2) | analog to digital conversion |
| Keyword(3) | quantization noise |
| Keyword(4) | roundoff noise |
| Keyword(5) | signal to noise ratio |
| 1st Author's Name | Takashi SEKIGUCHI |
| 1st Author's Affiliation | Information Technology R & D Center Mitsubishi Electric Corporation() |
| 2nd Author's Name | Takahiko FUJISAKA |
| 2nd Author's Affiliation | Information Technology R & D Center Mitsubishi Electric Corporation |
| Date | 1999/4/23 |
| Paper # | SANE99-2 |
| Volume (vol) | vol.99 |
| Number (no) | 27 |
| Page | pp.pp.- |
| #Pages | 7 |
| Date of Issue | |