America's Highway Numbering System Is Hiding A Giant Math Puzzle

Believe it or not, highway numbers actually make sense. Here's the logic behind odd and even routes, and why the system isn't ...
IEEE

Tan-Sun Coordinate Transformation System Theory and Applications for Three-Phase Unbalanced Power Systems

Abstract: This paper proposes a new-type Tan-Sun coordinate transformation system, which is an extended version of Clarke coordinate transformation system. The main purpose of the proposed coordinate ...
IEEE

A Fast Time-Domain SAR Imaging and Corresponding Autofocus Method Based on Hybrid Coordinate System

Abstract: Compared with frequency-domain algorithms, time-domain algorithms (TDAs) can achieve image focusing under the conditions of arbitrary trajectories and large integration angles. However, the ...
Australian Broadcasting Corporation

ABC Education

ABC Education brings you high-quality educational content to use at home and in the classroom. All our resources are free and mapped to the Australian Curriculum More from ABC We acknowledge ...
Barron's

Microsoft Corp.

Microsoft Corp. engages in the development and support of software, services, devices, and solutions. It operates through the following segments: Productivity and Business Processes, Intelligent Cloud ...