The design and performance is discussed of equiangular four-arm modulated arm width (MAW) spiral antennas. Effects of expansion factor, modulation ratio, termination and feedpoint region on ...

This textbook deals with the general laws of the flow of a liquid and with the application of aerodynamics in rocketry and modern aviation. The book is in two part, each forming a separate volume. The ...

As a novel vertical takeoff and landing unmanned aerial vehicle, a lifting-wing multicopter with simple structure, good stability, and longer flight range has been unveiled to be in service. However, ...

The idea of expanding the production line after a specific station and have more customization lines to improve customer satisfaction is studied in this paper as well. Keywords Performance analysis; ...