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| Presentation | 2025-07-23 10:00 Development of BBM for transponder with spectrum analyzer function Daisuke Yasuda (NECSpace), Masanobu Yajima, Yousuke Nakamura, Kenji Shinoda, Kato Chihaya (JAXA), Masayoshi Yoneda (NEC), Shunsuke Okada, Tomomi Kouzu, Yuki Miyashita, Jiei Suzuki, Yuzo Hayashi (NECSpace)  AP2025-33 SANE2025-27 SAT2025-12 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years, the risk of communication interference has increased due to the increase in the number of satellites in orbit as a result of the expansion of space utilization. Japan Aerospace Exploration Agency (JAXA), NEC Corporation (NEC), and NEC Space Technologies, Ltd. (NECSpace) are developing transponders with the ability to actively mitigate negative effects of interferences in order to ensure reliable TT&C circuits. We have developed the following technologies (1) to (3) as new functions to ensure interference resistance, and will report the results of confirming the performance of these functions at the BBM level. (1) A function to perform a fast Fourier transform (FFT) on received signals in orbit and monitor them, (2) A function to distinguish between desired signals and interference based on the monitoring results and detect interference, and (3) A function to automatically identify and suppress interference when the level is high. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | RF / TT&C / Transponder / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 125, no. 127, SAT2025-12, pp. 1-5, July 2025. | |
| Paper # | SAT2025-12 | |
| Date of Issue | 2025-07-16 (AP, SANE, SAT) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | AP2025-33 SANE2025-27 SAT2025-12 |
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| Conference Information | |
| Committee | AP SANE SAT |
| Conference Date | 2025-07-23 - 2025-07-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | hakodate arena |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Remote sensing, Subsurface Electromagnetic Measurements, Sattelite Communication, Antennas and Propagation |
| Paper Information | |
| Registration To | SAT |
| Conference Code | 2025-07-AP-SANE-SAT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Development of BBM for transponder with spectrum analyzer function |
| Sub Title (in English) | |
| Keyword(1) | RF |
| Keyword(2) | TT&C |
| Keyword(3) | Transponder |
| Keyword(4) | |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Daisuke Yasuda |
| 1st Author's Affiliation | NEC Space Technologies, Ltd. (NECSpace) |
| 2nd Author's Name | Masanobu Yajima |
| 2nd Author's Affiliation | Japan Aerospace Exploration Agency (JAXA) |
| 3rd Author's Name | Yousuke Nakamura |
| 3rd Author's Affiliation | Japan Aerospace Exploration Agency (JAXA) |
| 4th Author's Name | Kenji Shinoda |
| 4th Author's Affiliation | Japan Aerospace Exploration Agency (JAXA) |
| 5th Author's Name | Kato Chihaya |
| 5th Author's Affiliation | Japan Aerospace Exploration Agency (JAXA) |
| 6th Author's Name | Masayoshi Yoneda |
| 6th Author's Affiliation | NEC Corporation (NEC) |
| 7th Author's Name | Shunsuke Okada |
| 7th Author's Affiliation | NEC Space Technologies, Ltd. (NECSpace) |
| 8th Author's Name | Tomomi Kouzu |
| 8th Author's Affiliation | NEC Space Technologies, Ltd. (NECSpace) |
| 9th Author's Name | Yuki Miyashita |
| 9th Author's Affiliation | NEC Space Technologies, Ltd. (NECSpace) |
| 10th Author's Name | Jiei Suzuki |
| 10th Author's Affiliation | NEC Space Technologies, Ltd. (NECSpace) |
| 11th Author's Name | Yuzo Hayashi |
| 11th Author's Affiliation | NEC Space Technologies, Ltd. (NECSpace) |
| Speaker | Author-1 |
| Date Time | 2025-07-23 10:00:00 |
| Presentation Time | 20 minutes |
| Registration for | SAT |
| Paper # | AP2025-33, SANE2025-27, SAT2025-12 |
| Volume (vol) | vol.125 |
| Number (no) | no.125(AP), no.126(SANE), no.127(SAT) |
| Page | pp.1-5 |
| #Pages | 5 |
| Date of Issue | 2025-07-16 (AP, SANE, SAT) |
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