low frequency motion system 低频系统
low frequency surge motion 低频纵荡
low-frequency ground motion 低频地表振动
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
Computer memory play, and set various broadcast modes such as time play, double frequency scanning, low speed, stop motion, paragraphs repeat, etc.
电脑记忆播放，设置时间播放，倍速扫描、慢速、逐格、段落重复等多种播放方式。
The data of polar motion, rotation of the earth and atmospheric excitation function are analysed by the Auto-Regression power spectrum method, and their spectra at low frequency band are obtained.
本文用自回归功率谱方法分析了极移、地球自转和大气激发函数的资料，得到了它们的低频谱。
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。
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