In this paper, a range Doppler simulation method based on near-field electromagnetic scattering algorithm is proposed for radar and target intersection scenarios. Firstly, the near-field physical ...

With the train’s speed improving, and running interval time decreasing, traditional rail defect inspection methods cannot meet the efficiency requirement of railway industrial standards. In this paper ...

PDF for physics from the official Punjab Board website. Access chapter-wise details for physics with the link to download the ...

For the first time, researchers have seen how light behaves during a mysterious phenomenon called 'imaginary time'.