用于机载天线跟踪系统的双通道单脉冲跟踪接收机

2012 International Conference on Communication, Information & Computing Technology (ICCICT) Pub Date : 2012-12-31 DOI:10.1109/ICCICT.2012.6398168

P. K. Gupta, R. Vaghela, K. Bhatt, S. Valdiya

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引用次数: 16

摘要

先进的通信卫星，具有狭窄的点波束，需要一个自动天线指向机制，以保持在指定区域的点波束覆盖。单脉冲跟踪系统是一种流行的选择，其所需的跟踪精度优于天线波束宽度的1/10。双通道单脉冲跟踪接收机是双通道单脉冲跟踪系统的重要子系统。接收机采用相干检测技术实现，具有较好的噪声性能。锁相环(PLL)和自动增益控制(AGC)环是接收机的两个主要组成部分。该接收机已在GSAT-4卫星的跟踪链上进行了研制和测试。本文介绍了接收机的规格、设计、实现问题和性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Two-channel monopulse tracking receiver for onboard antenna tracking system

The advance communication satellites, having narrow spot beams, require an automatic antenna pointing mechanism to maintain the spot beam coverage over the specified area. The monopulse tracking system is a popular choice, where the required tracking accuracy is better than 1/10th of antenna beam width. The two-channel monopulse tracking receiver is an essential subsystem of two-channel monopulse tracking system. The receiver is realized using coherent detection technique for better noise performance. The phase lock loop (PLL), and automatic gain control (AGC) loop are the two major building blocks of the receiver. The receiver has been developed and tested with the tracking chain of GSAT-4 satellite. This paper presents specifications, design, implementation issues and performance of the receiver.

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来源期刊

2012 International Conference on Communication, Information & Computing Technology (ICCICT)

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