The observer can estimate AUV’s low frequency motion signals and environmental disturbance force from the synthetical signals including the low frequency motion signals,high frequency motion signals and noise from the sensors.
观测器可以从包含高频运动信号、低频运动信号以及传感器噪声信号的AUV综合运动信号中估计出AUV的低频运动信号以及环境扰动作用力。
参考来源 - AUV近水面运动非线性观测器设计·2,447,543篇论文数据，部分数据来源于NoteExpress
The motion error is one of the most important factors degrading the quality of low frequency UWB SAR images.
运动误差是造成低频超宽带合成孔径雷达成像质量降低的主要因素之一。
But the line located in the low frequency of ship noise spectrum has high intensity and stability. This fact provides new idea in estimating target motion parameters.
而处于舰船噪声低频区的线谱具有很高的强度和稳定度，这一事实为估计目标运动要素提供了新的思路。
With the consideration of the characteristics of the low frequency UWB-SAR system, the radiometric calibration, polarimetric calibration and the motion status CAL.
本文充分考虑低频uwb - SAR系统的特点，从辐射校准，极化校准和运动状态校准等方面展开深入的研究。
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