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本文介绍的内容是: (1) 采用英国电气和公用事业公司的4650—Ⅱ型脉幅调制/调频(PAM/FM)高速时分多路复用系统以高采样速率监视宽带环境数据用的系统的设计与研制。 (2) 监视宽带和窄带数据用的导弹遥测系统的设计、研制和工作历史。该系统包括直接或用机载频谱分析方法监视宽带信息的设备,此外为了适应导弹的控制和动力系统的典型低频信号的需要,还接入了时分多路复用器。在这种情况下,该系统基于IRIG标准并采用外加脉幅调制设备(PAM/FM/FM)的频率多路复用系统。
This article describes: (1) a system using 4650-½ Pulse / Modulation / Modulation (PAM / FM) High Speed Time Division Multiplexing system at British Electric and Utilities to monitor broadband environmental data at high sampling rates Design and development. (2) Design, development and working history of missile telemetry systems for monitoring broadband and narrowband data. The system includes equipment for monitoring broadband information directly or using on-board spectrum analysis methods and also incorporates time division multiplexers to accommodate the control of missiles and the typical low-frequency signals of power systems. In this case, the system is based on the IRIG standard and uses a frequency multiplexed system with pulse amplitude modulation (PAM / FM / FM).