| 一种基于DSP的宽范围高精度实时数据采集系统的设计 |
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| 引用本文： | 吴峻,渠慎征,万德钧.一种基于DSP的宽范围高精度实时数据采集系统的设计[J].船舶工程,2003,25(6):43-46. |
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| 作者姓名： | 吴峻 渠慎征 万德钧 |
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| 作者单位： | 东南大学仪器科学与工程系, 210096 |
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| 摘 要： | 在船用挠性捷联航姿基准系统中，如何保证大动态范围条件下的动调陀螺仪数字量化线路的准确性和实时性是其关键。本文详细介绍了一种基于TMS320VC5409DSP的大动态范围高精度数据采集系统，其动态范围优于140dB，其测量精度满足了航姿基准系统的数据采集要求。
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| 关 键 词： | 数据采集 仪器仪表技术 船舶技术 挠性捷联航姿基准系统 DSP 陀螺仪 A／D转换器 系统件设计 系统性能分析 |
Design of Real-time Data Acquisition System with High Precision and Wide Dynamic Range Based on DSP |
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| Wu Jun,Qu Shenzheng and Wan Dejun.Design of Real-time Data Acquisition System with High Precision and Wide Dynamic Range Based on DSP[J].Ship Engineering,2003,25(6):43-46. |
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| Authors: | Wu Jun Qu Shenzheng and Wan Dejun |
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| Abstract: | In the marine strapdown Attitude and Heading Reference Sy stem(AHRS)base d on the Dynamically Tuned Gyroscope(DTG),the key technique is how to ensure the accuracy and real time performance of ADC for DTG in a wide dynamic range.Appli cation of Data Acquisition System based on TMS320VC5409DSP with 140dB dynamic ra nge and high precision can fulfill the data acquisition of AHRS very well. |
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| Keywords: | Instrument and meter technology DSP Da ta acquisition Dynamic range |
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