نوع مقاله : مقالة تحقیقی (پژوهشی)
نویسندگان
1 دانشجوی کارشناسی ارشد، دانشکده فناوری‌های نوین، دانشگاه علم و صنعت ایران، تهران، ایران
2 دانشیار، دانشکده فناوری‌های نوین، دانشگاه علم و صنعت ایران، تهران، ایران
چکیده
در این مقاله بهینه‌سازی و پیاده‌سازی یک رله مخابراتی ماهواره با کاربرد فاصله‌سنجی ارائه می‌شود. برای بهینه‌سازی عملکرد این رله مخابراتی، یک سامانه فاصله‌سنجی مطابق با معماری استاندارد DSN در نرم‌افزار متلب مدلسازی شده است. در این سامانه اثرات غیرخطی میکسر، نویز فاز نوسانگر محلی و عدد نویز سامانه به عنوان متغیرهای مهم طراحی مورد بررسی قرار گرفته است. نتایج شبیه‌سازی تایید می‌کند که رله طراحی شده الزامات یک سامانه فاصله‌سنجی براساس استاندارد CCSDS و DSN را اقناع می‌کند. نتایج سامانه رله پیاده‌سازی شده نیز تاییدکننده طراحی می‌باشد. این سامانه رله قابلیت بکارگیری در سامانه‌های فاصله سنجی ایستگاه زمینی بومی را دارد.
کلیدواژه‌ها
موضوعات
عنوان مقاله [English]
Design and Optimization of Satellite Telecommunication Relay Using Pseudo-Noise Ranging
نویسندگان [English]
- Afshin Eskandari 1
- S. Hassan Sedighi 2
1 M.Sc. School, New Technologies, Iran University of Science and Technology, Tehran. Iran
2 Associate Professor, School of New Technologies, Iran University of Science and Technology, Tehran, Iran
چکیده [English]
In this paper, Design, optimization, and implementation of a Transparent Pseudo-Noise satellite Ranging relay are presented. CCSDS and DSN standards were studied for requirements of on board hardware for LEO satellites and ground station. To optimize the performance of the relay, a ground station for a two-way ranging system was modeled in MATLAB according to the DSN standard architecture. The effects of non-ideal hardware for the Implementation of an on-board relay were simulated. The simulation results confirmed that the designed transparent relay hardware satisfies the requirements of CCSDS and DSN ranging standards system and has no detrimental effect on it. Finally, the implemented relay was tested with a Transceiver similar to the ranging Transceiver was confirmed for operation.
کلیدواژه‌ها [English]
- Transparent relay
- Pseudo-Noise satellite
- Ranging
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