And that is the proper story of Radar Cross Section, Eugene F. Knott, and the PDF that changed aerial warfare forever.

: You can find a digital copy available for controlled borrowing at the Internet Archive .

Eugene F. Knott never flew a stealth jet. He never fired a missile. But every time a radar sweeps a horizon and finds nothing where a plane should be, that empty screen is a tribute to a man who read a Soviet paper, trusted a probability density function, and learned that the best way to hide a giant is to understand the edges.

One of Knott's significant contributions is the development of the Physical Optics (PO) method, which is widely used for RCS prediction. The PO method approximates the scattering of radar waves from a target by assuming that the target surface is locally planar and that the radar wave interacts with the surface as if it were a flat plate. This method has been successfully applied to predict the RCS of various targets, including aircraft and ships.

If you want, I can:

In conclusion, the radar cross section (RCS) is a critical parameter in radar engineering, and Eugene F. Knott has made significant contributions to the development of RCS prediction methods. His work on the Physical Optics method has been widely adopted and has helped to advance the field of RCS prediction. The RCS of a target has significant implications in various fields, including radar detection and tracking, stealth technology, and radar-absorbing materials. As radar technology continues to evolve, the importance of RCS prediction will only continue to grow.

Originally published by Artech House, Knott’s text covers: