系统关键技术含气动数据结构的设计、数据的标准化表示、数据的对比分析及模型数据的前置处理。
The key techniques of system include design of data structure, standardization of data expression, data comparative analysis and pre-process of model data.
各单元电路设计时，从整个测量系统误差的角度分析设计低噪音前置放大器、程控放大器、线性精密检波器等单元电路。
For every circuit unit, mainly analyzing and designing the low-noise preamplifier, rule control amplifier and linearity precision detector unit circuit and so on.
在分析前置放大器噪声的基础上，提出了抑制噪声和提高检测灵敏度的方法。
Based on the analysis of the noise of the prefixed amplifier, the paper introduced the ways to depress noise and to improve the measurement sensitivity.
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