Through measurement and analysis of sound signals, the trouble source can be accurately detected and its type analyzed under strong noise environment.
通过检测及分析声音信号，可以在强噪声环境下准确地探测到故障源并分析出其故障类型。
The measurement of object signals and ambient noise at sea, as well as the analysis of its results are described in this paper.
本文主要论述对海上目标信号和海洋环境噪声的测量及其结果的分析。
The error analysis shows that the measurement error is caused by the noise of the accelerometer, discrete double integration, noise of beacon and frequency characteristic error.
对线加速度计辅助惯性姿态角测量的误差分析表明，测量误差由加速度计噪声、二次积分离散化、信标噪声和加速度计频率特性误差组成。
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