| 测温电路线性化设计及噪声分析 |
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| 引用本文： | 柳柱,王冬梅,李锦成. 测温电路线性化设计及噪声分析[J]. 导航与控制, 2009, 0(2): 42-45 |
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| 作者姓名： | 柳柱 王冬梅 李锦成 |
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| 作者单位： | 北京航天时代激光导航技术有限责任公司;北京航天时代激光导航技术有限责任公司;北京航天时代激光导航技术有限责任公司 |
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| 摘 要： | 本文针对某型号惯导原有惯性仪表测温电路存在非线性以及测温不够精确等缺点，通过优化电路参数、选取温度系数合适的电压基准，对原电路进行改进设计。随后的噪声分析及建模仿真表明该电路不仅能够实现全温度范围内的精确测温，而且具备良好的线性度。
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| 关 键 词： | 线性化；仪用运算放大器；噪声分析；仿真 |
Design and Noise Analysis of a Temperature-measuring Circuit |
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| LIU Zhu,WANG Dong-mei and LI Jin-cheng. Design and Noise Analysis of a Temperature-measuring Circuit[J]. Navigation and Control, 2009, 0(2): 42-45 |
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| Authors: | LIU Zhu WANG Dong-mei LI Jin-cheng |
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| Affiliation: | Beijing Aerospace Times Laser Inertial Technology Company, Ltd.;Beijing Aerospace Times Laser Inertial Technology Company, Ltd.;Beijing Aerospace Times Laser Inertial Technology Company, Ltd. |
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| Abstract: | The temperature-measuring circuit of a certain type of Strapdown INS has poor linearity and accuracy. In this paper, the circuit is improved by optimizing circuit parameters and choosing the reference voltage with suitable temp-coefficient. Subsequently the noise analyzing and simulation indicates that the improved circuit maintains excellent linearity within the whole temperature scope. |
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| Keywords: | linearity instrumentation amplifier noise analysis simulation |
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