Abstract This paper proposes a tunable filter composed of semiconductor-insulator-semiconductor (SIS) waveguide with ring resonator at terahertz(THz) frequency. The two-dimensional study the proposed structure has been done using finite element method. It is observed that device can be used for filtering THz frequency within range 0.4 to 0.9 by varying structural parameters. simulated promising...

Field test results are presented for a prototype long-wave adaptive imager that provides both hyperspectral imagery and contrast imagery based on the direct application of hyperspectral detection algorithms in hardware. Programmable spatial light modulators are used to provide both spectral and spatial resolution using a single element detector. Programmable spectral and spatial detection filte...

An alternative uniplanar low-pa stubs is presented in this paper and its u extended up to five times of its cutoff frequenc structure primarily consists of short-circuited s line and connecting lines on coplanar waveguide of Chebyshev function low-pass frequency r element values involved in this filter topology efficient synthesis design approach rather try-t approach. Later on, the connecting ...

This paper is focused on the analysis of a Kalman filter performance when introduced in the current control loop of a distributed generation connection inverter. The idea is to use this kind of filter to reduce the harmonic content of the currents injected in the point of common coupling. The study has been performed by means of simulation using MatlabSimulink and clearly demonstrates that this...

A voltage-mode multifunctional biquadratic filter with three input terminals and single output terminal is presented. The proposed circuit is constructed using only one differential voltage current conveyor (DVCC) as active element and minimum number of passive elements, namely two resistors and two capacitors. The circuit can simultaneously realize all five different biquadratic filtering lowp...

The OTA is an amplifier whose differential input voltage produces an output current. Thus, it is a voltage controlled current source. Operational transconductance amplifier is one of the most significant building-blocks in integrated continuous-time filters. We show that the operational transconductance amplifier (OTA), as the active element in basic building blocks. In this paper Low pass filt...

In this paper we develop statistical models for the description of the Recursive Median (RM) filters, and for the one dimensional RM sieve, implemented as a cascade of RM filters of increasing window lengths. We are seeking analytical confirmation for the observation that the RM filter is in itself not a useful estimator of location, and should not be used in data smoothing. As the cascading el...

Usually a coherence multiplexing system uses delay-filters at the transmitter and receiver to perform the code. An extension to other filter types is described. Using a continuous source the signal-to-beat noise ratio is proportional to the square of the inverse of the number of simultaneous users. A further extension is made by using a pulsed source and by replacing the filters by banks of fil...

ETRI Journal, Volume 26, Number 4, August 2004 In this paper we present a new current-mode electronically tunable universal filter using only plus-type current controlled conveyors (CCCII+s) and grounded capacitors. The proposed circuit can simultaneously realize lowpass, bandpass, and highpass filter functions— all at high impedance outputs. The realization of a notch response does not require...

Design, simulation, and measurement of a compact filtering microstrip antenna is presented. A feed line, two hairpin resonators, and a rectangular patch are integrated to form the filtering antenna. The elements together function as a third order bandpass filter with Chebyshev equal ripple response of 0.043 dB at midband frequency of 2.0 GHz. The rectangular patch acts not only as a radiating e...