Large Dynamic Range and High Frequency Acoustic Signal Detection with SNR Enhancement
Hongkun Zheng, Lingmei Ma, Zechao Liu, Caiyun Li, Yiyang Zhuang, Chen Zhu, Yunjiang Rao · 2024
An OPD-based demodulation method for acoustic signal detection is proposed, breaking the limit of phase demodulation. Experiment results demonstrated superior performance at high frequency, and the SNR increases proportionally with the frequency of the signal.