| 摘要: |
| 介绍了高动态GPS接收机的码捕获与载波跟踪的原理,设计了一种基于高速数字信号处理(DSP)技术的PLL FLL环混合全数字高动态载波跟踪技术方案,同时给出了一种在连续高动态下载波跟踪算法即基于交叠离散傅里叶变换的频率跟踪算法(ODAFC),并对此算法进行了仿真验证.仿真结果证明了该算法的正确性. |
| 关键词: GPS 高动态数字接收机 载波跟踪 载波捕获 ODAFC |
| DOI：10.3969/j.issn.1001-893X. |
| Received:January 24, 2007Revised:May 15, 2007 |
| 基金项目: |
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| Carrier Acquisition and Tracking Technique for High Dynamic Digital Receivers Based on DSP |
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| Abstract: |
| This paper introduces the principles of code acquisition and carrier tracking for high dynamic GPS receivers,and gives a technical method to realize the digital dynamic carrier tracking with the PLL FLL based on DSP.At the same time,a carrier tracking arithmetic is proposed as ODAFC and then simulated.The result of simulation confirms that the arithmetic is right. |
| Key words: GPS high dynamic digital receiver cartier tracking cartier acquisition ODAFC |
