dominant frequency短语¹⁴⁴⁹⁷²⁺² 基本例句 主频,优势频率 In fact, the FFT spectrum is the convolution between read time series and window function in domain of frequency, the dominant frequency position influence on leakage should not be ignored. 由于实际信号和窗函数在频域为卷积关系,所以应该考虑实际频率在 FFT谱上所处的位置。 cnki Vibration frequency of shells is effected on the first10 order dominant frequency. 容器壳体的振动频谱主要受前10阶固有频率的影响; cnki