Air coupled ultrasonic sensor improves the quality of received signal
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中文说明：
空气耦合超声传感器的接收信号掺杂有大量噪声信号，根据传感器的参数设计匹配带通滤波器，提高接收信号的质量。
English Description：
The received signal of air coupled ultrasonic sensor is doped with a large number of noise signals. According to the parameters of the sensor, a matched band-pass filter is designed to improve the quality of the received signal.
Experimental_data_filter\bandp.m
Experimental_data_filter\data.mat
Experimental_data_filter\Fanry_band_filter.m
Experimental_data_filter\滤波前后时域信号.fig
Experimental_data_filter\滤波前后频谱.fig
Experimental_data_filter