再入遥测中的双重混合调制体制

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再入遥测中的双重混合调制体制

张健

中国工程物理研究院!绵阳621900

发布日期:2000-02-25

The Dual-Modulation Compound System in Reentry Telemetry

Zhang Jian (China Academy of Engineering Physics,Mianyang 621900)

Published:2000-02-25

摘要/Abstract

摘要： 深入分析了再入遥测中ＰＰＫ／ＯＯＫ和ＰＣＭ／ＦＭ两种信号同频段共存的双重混合调制原理及其解调性能。结论表明：双重混合调制对于提高信道容量是可行的。

关键词: 再入遥测系统, 脉冲编码调制, 脉冲键控遥测系统, 鉴频

Abstract: The dual modulation compound system (DMCS) in reentry telemetry is analyzed.In this system,two kinds of modulation,Pulse Position Keying/On Off Keying (PPK/OOK) and Pulse Code Modulation/Frequency Modulation (PCM/FM) are employed simultaneously.The conclusion shows DMCS can obviously improve the channel capacity compared with that of PPK/OOK system.

张健. 再入遥测中的双重混合调制体制[J]. .

Zhang Jian (China Academy of Engineering Physics,Mianyang 621900). The Dual-Modulation Compound System in Reentry Telemetry[J]. .