Finite Impluse Response Filter Design using the Superposition of Sampling Functions
A finite impulse response (FIR) filter-synthesis procedure will be presented which uses a superposition of frequency domain functions to define a required filter specification. The work will be based on a two term classical truncated cosine series functions. This approach uses superposition of frequency-shifted amplitude-weighted functions to describe the desired frequency response. The procedure yields closed-form time and frequency domain expressions, and is a noniterative solution technique for the design of finite impulse response filters. Since the weighting coefficients are arbitrary, both symmetric and nonsymmetric passbands are possible. Both the two term series odd and even functions will be discussed and are used jointly to design the passband characteristics. This is especially useful in Surface Acoustic Wave (SAW) filters because each function can be used to define a single SAW transducer. The complete SAW filter response is the product of the two-frequency domain responses having passband ripple less than either the odd or even function passband ripple alone.
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Master of Science (M.S.)
College of Engineering
Electrical Engineering and Communication Sciences
Length of Campus-only Access
Masters Thesis (Open Access)
Dissertations, Academic -- Engineering; Engineering -- Dissertations, Academic
Ng, Huat Keng, "Finite Impluse Response Filter Design using the Superposition of Sampling Functions" (1989). Retrospective Theses and Dissertations. 4190.