RCS on Counter UAV Radar — Low-Altitude Surveillance Radar

What is Detection Range?

Wed, 07 Jan 2026 00:00:00 +0000

What is detection range? Detection range is the distance at which a sensor can detect a target under a specific set of conditions.

That last part matters most. Detection range is not one magical number that stays true for every target, every environment, and every operating mode.

When people casually say, “this radar has a 20-kilometer range,” they often leave out the real question: 20 kilometers against what, under which conditions, and with what level of confidence?

What is RCS (Radar Cross Section)?

Wed, 18 Feb 2026 00:00:00 +0000

What is RCS? RCS stands for radar cross section, which is a way of describing how strongly a target reflects radar energy back toward the radar.

The beginner mistake is thinking RCS means physical size. It does not. A physically small object can sometimes look surprisingly large to radar, while a physically large object can sometimes look smaller than you might expect.

RCS is about radar visibility, not simple geometry alone.

How to Select Detection Range

Tue, 21 Apr 2026 00:00:00 +0000

Selecting detection range sounds simple until the planning questions become specific. How much range is enough? Enough for what target, from what direction, at what altitude, and with how much time left for a human or automated response?

That is why useful range selection starts with time and action, not with a single specification sheet number.

Convert Range Into Warning Time

The first design question is not “What range can I buy?” It is “How much warning time do I need?”