Abstract: A novel pattern-reconfigurable compact planar ultra-wideband monopole antenna is presented. By the incorporation of four p-i-n diode switches and two parasitic elements, the antenna's ...

Abstract: This paper presents a wideband circular antenna array with a frequency-domain and space-domain reconfigurable radiation pattern. A wideband circular array antenna is designed with ...

Learn how to calculate the speed of a mass in a circular pendulum with this clear physics tutorial! Step-by-step explanations make it easy to understand circular motion, energy, and angular velocity. ...

Are you feeling the winter chill or searching for the perfect gift? Look into this treasure trove of 29 circular knitting patterns. Whether you're a pro seeking a fresh challenge or a beginner eager ...

Add a description, image, and links to the design-patterns-tutorial topic page so that developers can more easily learn about it.

If you have a motor, a 3D printer and a few electronic components in hand you can make a DIY Circular Knitting Machine as your weekend project. [Mr Innovative] is a popular DIY! project creator on ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

As part of Spring's festival of pre-loved stuff, Garage Sale Trail and Bayside City Council present the Trail Tutorials; a series of inspiring and educational talks about sustainable fashion and ...

Fold 2 fabric pieces of this dimension – 80 inches width by 40 inches length, by the middle. These will give you two pieces for the back and the front. The front will be cut into two pieces. (If you ...