There are multiple definitions:
synthetic aperture focusing technique(English)
- a powerful digital signal processing method, primarily used in ultrasonic testing, to create high-resolution images of flaws or features within materials by simulating a large transducer with a small, moving one, effectively mimicking an acoustic lens to overcome limitations of traditional methods
- AR-PAM, FT, NDT, SNR, UT
- Medical imaging, Ultrasound, Transform, Signal analysis
- https://doi.org…9126(86)90107-0
Sympathetic And vascular Function in Takotsubo syndrome(English)