| 采用锁频环和锁相环联合捕获的载波跟踪 |
| |
| 引用本文： | 高 亢,侯孝民,赵 强,彭保童.采用锁频环和锁相环联合捕获的载波跟踪[J].国际商务研究,2018,58(4). |
| |
| 作者姓名： | 高 亢 侯孝民 赵 强 彭保童 |
| |
| 作者单位： | 航天工程大学 光电装备系，北京101416,航天工程大学 光电装备系，北京101416,航天工程大学 光电装备系，北京101416,航天工程大学 光电装备系，北京101416 |
| |
| 摘 要： | 针对传统锁频环-锁相环跟踪算法中环路状态转换过渡中出现频率阶跃的问题，提出了一种采用锁频环和锁相环联合捕获的方式替代单一锁频环进行捕获的改进算法，同时对环路状态转换的门限进行了推导。仿真结果表明，改进的算法在转换过程中更加平稳，环路性能得到了优化。在信噪比为-10 dB且存在加加速度时跟踪环路在转换时没有出现频率阶跃，达到了设计目的。
|
| 关 键 词： | 测控系统 载波跟踪 锁频环 锁相环 频率阶跃 |
Carrier tracking based on joint acquisition of frequency locked loop and phase locked loop |
| |
| GAO Kang,HOU Xiaomin,ZHAO Qiang and PENG Baotong.Carrier tracking based on joint acquisition of frequency locked loop and phase locked loop[J].International Business Research,2018,58(4). |
| |
| Authors: | GAO Kang HOU Xiaomin ZHAO Qiang and PENG Baotong |
| |
| Institution: | Department of Optical and Electronic Equipment,Aerospace Engineering University,Beijing 101416,China,Department of Optical and Electronic Equipment,Aerospace Engineering University,Beijing 101416,China,Department of Optical and Electronic Equipment,Aerospace Engineering University,Beijing 101416,China and Department of Optical and Electronic Equipment,Aerospace Engineering University,Beijing 101416,China |
| |
| Abstract: | |
| |
| Keywords: | TT&C system carrier tracking frequency locked loop(FLL) phase locked loop(PLL) frequency step |
|
| 点击此处可从《国际商务研究》浏览原始摘要信息 |
| 点击此处可从《国际商务研究》下载免费的PDF全文 |
|
