Replacing the equation of the quasi-static isothermal process by the quasi-static polytropic process of the ideal gas, the barometric formula of polytropic process is deduced, which is better improvement on the barometric formula of isothermal process.
用理想气体的多方过程方程取代等温过程方程,推导出气体处于多方平衡过程时的气压公式,该公式是对气体等温气压公式的一种很好的修正。
The techniques of the barometric height measurement are researched, which is calibrated by GPS information and compensated by temperature information. The barometric height measurement channel of high resolution is designed with the help of curve-fitting and digital filtering algorithm.
研究了利用GPS校准零点、带温度补偿的气压高度测量技术,通过曲线拟合与数字滤波技术,设计了具有较高分辨率的气压高度测量通道。
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