نتایج جستجو برای: notch filter
تعداد نتایج: 141362 فیلتر نتایج به سال:
a novel ultra wideband microstrip bandpass filter using radial stub loaded resonator and interdigital coupled lines is presented in this paper. the radial stub loaded resonator and decagonal patch form a resonator named m to create tuneable multiple notches in the passband for suppression wlan interference. to realize sharp roll-off, two adjustable transmission nulls are located at the lower an...
An intelligent learning-based approach using neural network and fuzzy logic to the problem of interference canceling is proposed in the paper. The famous signal-processing structure of adaptive noise canceling is used for the research of interference signal canceling, in which a neuro-fuzzy system is used as the adaptive notch filter. Four T-S fuzzy rules are in the neuro-fuzzy filter. The filt...
Linear-array of circular split ring resonators (C-SRR) integrated wideband notched filtering horn antenna with very strong rejection-band is proposed in this article. The linear C-SRR array, consisting 3-sub arrays each having 4 identical C-SRR-elements, printed on a dielectric substrate and into the throat or waveguide-section standard X-band (Narada 641). Staggered arrangement multiple C-SRRs...
recoding', Theoretical Computer Science, 1994, 129, (2), pp. 407417 KAI-HWANG: Computer arithmetic, principles, architecture, and design' (John Wiley & Sons, New York, 1989) KOREN, U, : 'Computer arithmetic algorithms' (Prentice-Hall, Englewood Cliffs, NJ, 1993) LADNER, R., and FISCHER. M.: 'Parallel prefix (computation', J . ACM. 1980, 27, (4), pp. 831-838 REITWIESNEK, G.w.: 'Binary arithmetic...
Bandpass sampling architectures, also called subsampling architectures, exhibit several advantages over super-het architectures. First, the complexity of subsampling architectures is significantly lower since no Phased-Locked-Loop (PLL) is required. A direct consequence is that downconversion from RF to IF can be achieved with significant power savings as compared to the super-het architecture....
In this paper, a miniature ultrawideband (UWB) bandpass filter with dual notch bands and wide upper stopband is presented. The ultrawide passband characteristic is achieved using a microstrip to slot line transition, and a wide upper stop band is realized using an elliptical lowpass filter. The dual band notches at 5.46 GHz and 8.04GHz are obtained by incorporating defected microstrip structure...
A new universal current mode filter circuit composed by three multi-output second generation current conveyor circuits (MOCCII), two controlled active resistances and two passive capacitors is presented. This filter can realize all the five standard filter functions, namely low pass, band pass, high pass, notch and all pass, without changing the circuit topology. TSPICE simulation using 0.18 μm...
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