👉 Learn how to simplify expressions using the product rule of exponents. The product rule of exponents states that the product of powers with a common base is equivalent to a power with the common ...

Abstract: To improve the estimation accuracy of two-dimensional (2D) direction-of-arrival (DOA) of uniform rectangular array, and increase the degrees of freedom of the array, this paper proposes a ...

Abstract: Nowadays, smart speech devices have been widely used for human-computer interaction. However, in many environments, the reverberation caused by the multi-path effect can seriously affect the ...