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Abstract: In this paper, we propose a novel distortion calibration algorithm for uniform circular array (UCA) based on its special structure. A near-field calibration antenna, located in the center of ...

Abstract: A novel blind 2D-DOA estimation method in the uniform circular array based on parallel factor analysis is presented in this paper. Oversampled signal of array antennas is processed by fast ...

New Scientist Book Club has been reading Alex Foster’s debut novel, Circular Motion, in which he charts what would happen if Earth’s rotation sped up by not just a millisecond, but a minute, or an ...

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A striking composition where swirling colors wrap around a circular frame, creating a sense of movement and energy within a balanced, enclosed space. Crime sparks state of emergency in New Mexico: ...

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Check the latest CBSE Class 9 Science Syllabus 2025–26 with unit-wise weightage, exam pattern, internal assessment details, and excluded topics. Download the detailed syllabus in PDF here. The CBSE ...

Robots have a skeletal system made up of links and joints. The links are the rigid pieces, kind of like bones, that form the robot’s structure. They can be made from various materials, often metals ...

Kiara Taylor has worked as a financial analyst for more than a decade. Her career has involved a number of financial firms, including Fifth Third Bank, JPMorgan, and Citibank. She has filled a number ...