| 基于PCI总线的直扩通信信号模拟信号源的设计 |
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| 引用本文： | 宫芳,毕升,孔挺.基于PCI总线的直扩通信信号模拟信号源的设计[J].黑龙江电子技术,2012(8):64-67. |
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| 作者姓名： | 宫芳 毕升 孔挺 |
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| 作者单位： | [1]哈尔滨工程大学信息与通信工程学院,哈尔滨150001 [2]海军飞行学院教研部,辽宁葫芦岛125001 |
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| 摘 要： | 介绍了一种基于PCI总线的直扩通信信号模拟信号源。采用PCI9054芯片实现PCI总线协议,下位机采用FPGA实现PCI9054时序的控制、数据缓存,用高速DA输出模拟信号,上位机采用VC6.0编写控制界面。该信号源可以根据输入的信息码元,输出不同扩频序列、不同信噪比情况下的直扩信号,可以较好地模拟信道特性,为后期开展直扩通信系统的研究提供了信号源。
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| 关 键 词： | 直接序列扩频 信号源 PCI9054 |
Design of DS/SS signal generator based on PCI bus |
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| Authors: | GONG Fang BI Sheng KONG Ting |
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| Institution: | 1. College of Information and Communication Engineering,Harbin Engineering University, Harbin 150001,China; 2. Teaching and Research Department,The Naval Fly Academy, Huludao 125001 ,Liaoning Province,China) |
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| Abstract: | This paper introduces a DS/SS signal generator based on PCI bus. It uses PCI9054 to operate PCI specification, lower machine uses FPGA to control the timing of PCI9054, buffer memory and outputs an analogue signal by high - speed DAC, upper machine uses VC6.0 software. This signal generator outputs the DS/SS signal of different PN, different SNR by the symbol input, so it simulates the features of signal channel, it provides a signal generator for the farther research of DS/SS system. |
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| Keywords: | DS/SS signal generator PCI9054 |
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