| 一种通用数字中频正交扩频调制器的实现 |
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| 引用本文： | 乔红. 一种通用数字中频正交扩频调制器的实现[J]. 国际商务研究, 2003, 43(5): 47-51 |
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| 作者姓名： | 乔红 |
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| 作者单位： | 中国西南电子技术研究所 四川成都610036 |
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| 摘 要： | 提出了一种适应于宽带扩频通信系统的数字中频调制的实现方案,它基于正交调制、DDS、数字上变频和数字内插等技术,采用通用硬件平台,可以生成多种中频调制信号,可广泛用于数字化扩频通信电台、宽带CDMA、软件无线电、遥控遥测等通信系统中。
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| 关 键 词： | 扩频通信系统 数字中频 正交扩频调制器 DDS 数字内插 |
| 修稿时间： | 2003-07-31 |
Implementation of a General Digital IF Quadrature Spread Spectrum Modulator |
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| QIAO Hong. Implementation of a General Digital IF Quadrature Spread Spectrum Modulator[J]. International Business Research, 2003, 43(5): 47-51 |
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| Authors: | QIAO Hong |
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| Abstract: | A digital IF modulator for wideband spread spectrum communication system is proposed, which can generate a variety of IF modulation signals based on technologies of quadrature modulation,DDS,digital upconversion and digital interpolation,etc.It is implemented on a general hardware platform and can be extensively used in many communication systems such as digitized spread spectrum radio, wideband CDMA, software radio and telemetry and telecommand system. |
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| Keywords: | Spread spectrum communication system Software radio Digital IF Quadrature spread spectrum modulator DDS Digital interpolation |
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