Abstract: In heterogeneous wireless networks, an important task for mobile terminals is to select the best network for various communications at any time anywhere, usually called network selection. In ...

This tutorial takes you on a complete journey through digital signal processing (DSP), combining rigorous theory from Oppenheim & Schafer's classic textbook with modern, practical implementations in ...

Abstract: Signal transformation is a mathematical tool commonly applied in signal processing. It maps a mathematical function or a physical signal from one domain into another to reveal information ...

利用函数$f$在某点$x_0$处的**信息（们）**，**描述**该函数在该点**附近的取值**。 ### 基本形式 $$f(x) \approx f(x_0) + f^{\prime}(x_0)(x ...