Radar Cross Section (often referred to simply as "Knott") is widely considered the definitive textbook and reference manual for the science of radar signature analysis and control. Co-authored by Eugene F. Knott—a renowned researcher and Fellow of the IEEE—along with Shaeffer and Tulley, the book bridges the gap between theoretical electromagnetics and practical engineering applications.

Illegal PDF copies circulate on file-sharing sites, but these often have missing pages, poor scan quality, or incorrect figures. Purchasing a used physical copy or accessing through a university library is strongly recommended for professional use.

When reviewing academic documents or technical manuals on RCS, keep an eye out for these crucial elements:

Understanding the principles laid out by Eugene F. Knott is critical for anyone involved in radar design, signature management, or electronic counter-countermeasures, securing this text's position as an evergreen reference manual in electromagnetic engineering.

Quickly finding formulas for the RCS of a "flat plate" vs. a "cylinder."

When searching for the PDF, it helps to understand the publication lineage:

You can download Eugene F. Knott's publications on radar cross section from various online sources, including researchGate and Academia.edu. His publications provide in-depth information on RCS measurement, prediction, and applications.

Many universities and corporate research divisions provide digital access to textbook chapters via institutional subscriptions (e.g., IEEE Xplore or SciTech Publishing/Institution of Engineering and Technology).

The book was originally published by Artech House and remains available through legal academic distributors, IEEE Xplore, and institutional libraries.

Treats radar waves as localized rays. Excellent for analyzing specular reflections from smooth, large curved surfaces.

Eugene F. Knott, along with co-authors John F. Shaeffer and Michael T. Tuley, revolutionized how the defense industry approaches electromagnetic scattering. Published originally in 1985, with a comprehensive second edition in 1993 and subsequent revisions, Radar Cross Section bridged the gap between pure academic theory and hands-on military engineering.

Understanding Radar Cross Section: A Guide to the Definitive Work by Eugene F. Knott

Knott defines as a comparison between the strength of a radar beam hitting a target and the strength of the reflected echo received back.