Ultrasound sounding in air by fast-moving receiver

2nd International Conference "Cognitive Robotics"

工业技术;无线电电子学;计算机科学

Sukhanov, D.^1 ; Erzakova, N.^1

Radiophysics Faculty, Tomsk State University, Tomsk, Russia^1

关键词: Backscattered signal;    Matched filtering;    Sounding signals;    Spatial matched filtering;    Time domain;    Tomographic images;    Ultrasound imaging;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/363/1/012024/pdf
DOI  :  10.1088/1757-899X/363/1/012024

来源: IOP

【 摘 要 】

A method of ultrasound imaging in the air for a fast receiver. The case, when the speed of movement of the receiver can not be neglected with respect to the speed of sound. In this case, the Doppler effect is significant, making it difficult for matched filtering of the backscattered signal. The proposed method does not use a continuous repetitive noise-sounding signal. generalized approach applies spatial matched filtering in the time domain to recover the ultrasonic tomographic images.