Background Preterm birth is associated with lifelong respiratory sequelae, yet our understanding of lung function ...
Abstract: High-resolution synthetic aperture radar (SAR) as an imaging device becomes more and more like a “camera” at the microwave frequency band. How different objects or object surfaces may ...
Abstract: Extra constraints are always brought into an ionosphere tomographic model to strengthen its robustness. However, existent models using the constraints either show a weak restriction, ...