datum drift

Based on the LDO,this paper provides a comprehensive analysis of the key factors that have significant effect on the precision of output voltage of the power supply management ICs,such as reference voltage ripple and error amplifier voltage ripple,etc.

电源管理芯片的高精度电压输出,是电源管理技术的一个重要课题,以L DO稳压器为基础,详细分析了基准电压漂移、误差放大器电压漂移等影响电源电压输出精度的主要因素。

Based on the pseudo-range differential positioning double-difference expressions,the formulas of influences on the result of move station which is owing to coordinates deviation of base station is presented in this paper.

从伪距差分定位的双差公式出发,详细推导了基准站坐标偏差对流动站定位结果的影响公式。