1996/4
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The Transimpedance Amplifier Noise Optimization for the Atmospheric Optical Link Receiver
(Společnost pro radioelektronické inženýrství, 1996-12)This paper deals with design of wideband low-noise preamplifier of atmospheric optical link receiver. Sources of noise and the noise models for the PIN photodiode coupled to a transimpedance amplifier are described here. ... -
Use of Invertible Rapid Transform in Motion Analysis
(Společnost pro radioelektronické inženýrství, 1996-12)The paper presents the results of a study on the use of invertible rapid transform for the motion estimation in a sequence of images. Novel motion estimation algorithms based on the analysis of the matrix of states (or ... -
Vector Measurement with Scalar Analyser
(Společnost pro radioelektronické inženýrství, 1996-12)A novel method for vector scattering parameter measurement is presented. The method is based on scalar (SWR) measurement only. Vector data is obtained using a controlled perturbation two-port (CPTP). The method promises ... -
Accurancy and Resistance of the Radionavigation Distance Meter against Chaotic Impulse Interference when Using Binary Carrier Signals
(Společnost pro radioelektronické inženýrství, 1996-12)I present one of the methods of assessment of accuracy and resistance to interference of a distance -measuring channel of radionavigation system of near-navigation. By using computer technology, the method enables us to ... -
Analysis of Hand-Held Phones Using the Finite Integration Algorithm
(Společnost pro radioelektronické inženýrství, 1996-12)Two different hand-held phones operating at 1.8 GHz are numerically analyzed, applying a field calculation program MAFIA (MAxwell's equations using the Finite Integration Algorithm). One phone contains a Back-Mounted ... -
RC Oscillators with Two Operational Amplifiers with Precision Phase Shift between Two Outputs
(Společnost pro radioelektronické inženýrství, 1996-12)In some instruments oscillator with precision 90° phase shift of output signals is needed. In this article a new type of RC oscillators with precision 90° phase shift between two low impedance output signals is described. ...
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