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Linear Systems

资料介绍
Most DSP techniques are based on a divide-and-conquer strategy called superposition. The
signal being processed is broken into simple components, each component is processed
individually, and the results reunited. This approach has the tremendous power of breaking a
single complicated problem into many easy ones. Superposition can only be used with linear
systems, a term meaning that certain mathematical rules apply. Fortunately, most of the
applications encountered in science and engineering fall into this category. This chapter presents
the foundation of DSP: what it means for a system to be linear, various ways for breaking signals
into simpler components, and how superposition provides a variety of signal processing
techniques.
CHAPTER
Linear Systems
5

Most DSP techniques are based on a divide-and-conquer strategy called superposition . The
signal being processed is broken into simple components, each component is processed
individually, and the results reunited. This approach has the tremendous power of breaking a
single complicated problem into many easy ones. Superposition can only be used with linear
systems , a term meaning that certain mathematical rules apply. Fortunately, most of the
applications encountered in science and engineering fall into this category. This chapter presents
the foundation of DSP: what it means for a system to be linear, various ways for breaking signals
into simpler components, and how superposition provides a variety of signal proces……
Linear Systems
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