![Echo_Reduction_Minimum_Sampling_Spherical_Near_Field_Measurements_using_TSWE.png Echo_Reduction_Minimum_Sampling_Spherical_Near_Field_Measurements_using_TSWE.png](https://www.mvg-world.com/images/cache/resources_images_square550/upload/media/resources_images/0001/01/8fb98c22bfa911f1451eb8ea928f44d4c0483c28.webp)
An innovative spherical NF/FF transformation algorithm for offset measurements based on a Translated Spherical Wave Expansion (TSWE) has been recently proposed.
In this paper we investigate by experiment the echo reduction properties of offset AUT measurements using TSWE.