高精度加速度计信号变换技术

Signal Conversion Technique of High-precision Accelerometer

针对捷联惯导系统加速度计信号采集的高精度要求,提出了一种采用I-F变换技术对加速度计进行高精度数据采集的方法,对其工作原理、构成及提高精度的方法等问题进行了分析和讨论。实验证明,该系统满足了捷联惯导系统的精度要求,具有普遍的实用价值。

In view of the high-precision requirements in data collection of accelerometer used in strapdown inertial navigation system, this paper puts forward a kind of method which adopts I/F convert technology to carry out the high-precision data collection of accelerometer, analyze its operation principle, structure, precision-enhancing method, etc. The experiment proves that this system can satisfy the high-precision requirements of the strapdown inertial navigation system and has widespread practical value.