Research Article

Uterine Ultrasound Doppler Hemodynamics of Magnesium Sulfate Combined with Labetalol in the Treatment of Pregnancy-Induced Hypertension Using Empirical Wavelet Transform Algorithm

Figure 2

Ultrasound image during pregnancy. (a) Normal uterine artery ultrasound of normal pregnant women; (b) abnormal uterine artery ultrasound of normal pregnant women; (c) abnormal uterine artery under ultrasound based on STFT algorithm; (d) abnormal uterine artery under ultrasound based on EWT algorithm.
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