| 摘要: |
| 介绍了一种基于DSP和RFASIC芯片的GFSK正交调制解调器的设计和研制方案。回顾了传统的GFSK调制器的硬件实现方法，分析了GFSK正交调制器的基带构成，讨论了在SYSTEMVIEW平台下GFSK调制解调器的系统仿真，并将仿真算法用于TI VC5402 DSP，在子系统级RFASIC芯片U2793B和AD6459的硬件环境中，较好地实现了GFSK正交调制解调功能。 |
| 关键词: 自动识别系统 正交调制解调 软件无线电 |
| DOI：10.3969/j.issn.1001-893X. |
| Received:June 07, 2005Revised:January 15, 2006 |
| 基金项目: |
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| A GFSK Modem Based on DSP and RF ASIC Chips |
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| Abstract: |
| A DSP RF ASIC scheme for GFSK quadrature modem is introduced. After a review of implementation methods for traditional GFSK modems, the base band scheme of a GFSK quadrature modem is analyzed, and the system simulation for GMSK modem on the SYSTEMVIEW software platform is discussed. The simulation algorithm is then applied to TI VC5402 DSP. In the hardware environment of RF ASIC subsystem chips U2793B and AD6459, the quadrature modem function is implemented satisfactorily. |
| Key words: GFSK DSP |
