From Lasers to GPS: The Ultimate Guide to Project Distance Measurement

Explore innovative distance measurement methods for DIY projects. Learn about tools like UWB, barometers, and camera-based systems.

Unpicking How to Measure the Complexity of Knots

Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.
IEEE

Extraction of Maize Leaf Base and Inclination Angles Using Terrestrial Laser Scanning (TLS) Data

Abstract: Leaf base and inclination angles are two critical 3-D structural parameters in agronomy and remote sensing for breeding and modeling. Terrestrial laser scanning (TLS) has been proven to be a ...
IEEE

Robust Dynamic Multinode Parameter Calibration in Open-Loop Airborne Coherent Distributed Arrays

Abstract: An open-loop coherent distributed array (CDA) enables beam steering to arbitrary angles without feedback, provided that stringent electrical state alignment among distributed nodes can be ...