| GNSS接收机中载波和伪码NCO的设计 |
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| 引用本文： | 吴兴存,何 谦,殷雪明,杨 恒. GNSS接收机中载波和伪码NCO的设计[J]. 电讯技术, 2011, 51(4): 79-83. DOI: 10.3969/j.issn.1001-893x.2011.04.017 |
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| 作者姓名： | 吴兴存 何 谦 殷雪明 杨 恒 |
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| 作者单位： | 中国卫星海上测控部,江苏 江阴 214431;中国卫星海上测控部,江苏 江阴 214431;中国卫星海上测控部,江苏 江阴 214431;中国卫星海上测控部,江苏 江阴 214431 |
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| 摘 要： | 在介绍可配置载波数控振荡器(NCO)和伪码NCO工作原理的基础上,确定了基本参数并根据参数设计了载波NCO和伪码NCO基本结构,对设计的载波NCO和伪码NCO进行了硬件测试。测试结果表明,该载波NCO和伪码NCO符合设计参数,可直接运用到可配置导航信号处理通道中以满足处理不同导航信号的要求,为下一步研究和开发GNSS接收机打下坚实的基础。
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| 关 键 词： | GNSS接收机 可配置导航信号处理 载波NCO 伪码NCO |
Design of Carrier NCO and PN Code NCO for GNSS Receivers |
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| WU Xing-cun,HE Qian,YIN Xue-ming and YANG Heng. Design of Carrier NCO and PN Code NCO for GNSS Receivers[J]. Telecommunication Engineering, 2011, 51(4): 79-83. DOI: 10.3969/j.issn.1001-893x.2011.04.017 |
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| Authors: | WU Xing-cun HE Qian YIN Xue-ming YANG Heng |
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| Affiliation: | China Satellite Maritime Tracking and Controlling Department,Jiangyin 214431,China;China Satellite Maritime Tracking and Controlling Department,Jiangyin 214431,China;China Satellite Maritime Tracking and Controlling Department,Jiangyin 214431,China;China Satellite Maritime Tracking and Controlling Department,Jiangyin 214431,China |
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| Abstract: | Through introducing the theory of configurable carrier NCO(Numerically Controlled Oscillator) and PN code NCO, the basic structure of carrier NCO and PN code NCO is designed according to the defined parameters. The result of the hardware test of the designed carrier NCO and PN code NCO is respectively in accordance with required parameters. Therefore,the design can be directly used in the configurable navigation signal processing channel to meet the requirements for different navigation signals. It provides a solid foundation for further research and development of GNSS(Global Navigation Satellite System) receivers. |
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