Time-frequency analysis method has been applied in many fields, and it acquires a great of achievements.
时频分析方法已经在许多领域得到了应用，而且都取得了良好的效果。
DOA estimation method of nonstationary radar signals is proposed by time-frequency analysis method and Joint-block diagonalization method.
针对时频平面不可分离的相干非平稳信号，提出了基于对称阵列的解相干方法。
The time-frequency analysis method is widely applied to rolling bearing fault diagnosis due to it can simultaneously provide time and frequency domain information of a signal.
由于时频分析方法能同时提供振动信号的时域和频域信息，因而在滚动轴承故障诊断中应用最为广泛。
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