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Commonly used design procedures for design of digital differentiators are based on various optimization techniques and are also iterative in nature. The order estimation, for differentiators is important from design point of view as it can help in reducing the design time by providing a good initial guess of the order to the iterative design procedures. Moreover, order estimation helps in giving a...
A new filter class with variable cut-off frequency is designed based on elliptic filter sharpening technique. A higher order IIR filter with a sharp transition band is constructed by using several identical low-order EMQF (elliptic minimal Q-factors) filters and an additional compensating section. The stopband attenuation is achieved by cascading EMQF subfilters, and the compensation section is designed...
A discrete transmission line model is presented for propagation of quantum particles in crystals. It allows a substantial simplification in calculations, the integration of a quantum description in a classical environment, let alone a useful key for intuitive grasping of quantum aspects.
In this paper, we propose a design method for a variable two-channel nonuniform-division FIR filter bank. The proposed filter bank can change the notch frequency in the stopband for each filter to reduce these noise. For changing notch frequencies, filter coefficients are approximated by polynomials using variable parameters in the proposed filter bank. In addition, the proposed filter bank satisfies...
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