proportional error

基本解释

This error in position is proportional to the depth of water, and is independent of the size of sand particles.
这个误差和水深成正比而和泥沙颗粒的大小无关。
Otherwise, it should be checked from one known point to another with proportional anti-symbol allocation between closing error and the length of side.
否则，应从一已知点出发测至另一已知点以资校核，此时其闭合差应与导线边长成正比反符号进行分配。
d.wanfangdata.com.cn
The PI observer has two feedback loops, a proportional loop and an integral loop of the estimation error; in this way, the PI observer can estimate not only the states but also the unknown inputs.
该观测器包含有估计误差的比例和积分回路，可同时得到状态和未知输入估计。
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