Design, Fabrication Transmitter Modulator at S band for MicroSatellite with the direct RF input

Thi Ha Bui, Chinh Doan Tran, G. Bach
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引用次数: 1

Abstract

This paper focuses on the design and manufacture of the carrier phase modulation of satellite’s transmitter at S band. Unlike other traditional carrier phase modulators, this modulator was designed with the direct RF input. The high frequency signal was directly modulated through this carrier phase modulation. The direct brings many advantages, such as: smaller size, lower cost, easier integration, easier replacement, etc. But it also cause the signal to be greatly attenuated. To overcome this disadvantage, the authors have used a suitable power amplification solution to compensate for these losses. This design achieved the low conversion loss and wide bandwidth to satisfy not only the requirements of Vietnamese MicroSatellite but also other satellite in S band.
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直接射频输入的微型卫星S波段发射机调制器的设计、制造
本文主要研究了S波段卫星发射机载波相位调制的设计与制造。与其他传统载波相位调制器不同,该调制器采用直接射频输入设计。通过载波相位调制直接调制高频信号。直接带来了许多优点,如:体积更小,成本更低,更容易集成,更容易更换等。但它也会导致信号大大衰减。为了克服这一缺点,作者使用了合适的功率放大解决方案来补偿这些损失。本设计实现了低转换损耗和宽频带,既满足了越南微型卫星的要求,也满足了S波段其他卫星的要求。
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A Comparison of Three-node Two-way PLC Channel Models Vision based steering angle estimation for autonomous vehicles [Copyright notice] Orchestration of Wired and Wireless Systems for Future Mobile Transport Network Design, Fabrication Transmitter Modulator at S band for MicroSatellite with the direct RF input
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