Search Results - "Ott, A. T"
-
1
Reconfigurable ultra-wideband transmitter for generation of arbitrary impulse shapes and modulation schemes
Published in Advances in radio science (18-09-2012)“…In this paper a reconfigurable ultra-wideband (UWB) impulse radio (IR) transmitter is presented. The IR signal is synthesized at an intermediate frequency (IF)…”
Get full text
Journal Article -
2
Performance analysis of a low cost wireless indoor positioning system with distributed antennas
Published in Advances in radio science (29-07-2011)“…In this paper an approach for indoor localization based on already installed communication transceiver infrastructure is presented. Only marginal additional…”
Get full text
Journal Article -
3
A reconfigurable software defined ultra-wideband impulse radio transceiver
Published in Advances in radio science (30-09-2010)“…An ultra-wideband (UWB) software defined radio (SDR) implementation is presented. The developed impulse radio (IR) transceiver employs first order bandpass…”
Get full text
Journal Article -
4
Mercury contamination in the Madeira River, Amazon: Hg inputs to the environment
Published in Biotropica (01-03-1989)“…The potential contamination of Amazon rivers by Hg used in gold-mining activity has recently worried various local and international environmental authorities…”
Get full text
Journal Article -
5
A 433 MHz-22 GHz reconfigurable dielectric loaded biconical antenna
Published in Proceedings of the Fourth European Conference on Antennas and Propagation (01-04-2010)“…A reconfigurable ultra-wideband (UWB) biconical antenna is presented. It exhibits a bandwidth of 433 MHz-22 GHz due to a specially shaped dielectric placed…”
Get full text
Conference Proceeding -
6
Ultra-wideband balun for biconical antenna structures
Published in 2010 IEEE Antennas and Propagation Society International Symposium (01-07-2010)“…In this paper the design of a novel feeding structure is presented which has almost no impact on the antenna peformance and is furthermore adjustable to the…”
Get full text
Conference Proceeding -
7
Pseudo-coherent software defined Ultra wideband transmitter for ranging and communication
Published in 2012 The 7th German Microwave Conference (01-03-2012)“…In this paper a pseudo-coherent software-defined impulse-radio (IR) transmitter for the Ultra wideband (UWB) technology is presented. Due to the large…”
Get full text
Conference Proceeding -
8
A reconfigurable impulse radio transmitter
Published in 2012 IEEE International Conference on Ultra-Wideband (01-09-2012)“…To investigate impulse radio (IR) communication transceivers, bit error rate (BER) measurements are typically performed by connecting an arbitrary waveform…”
Get full text
Conference Proceeding -
9
Enhanced investigations on effective isotropic radiated power emissions of impulse radio devices
Published in 2012 6th European Conference on Antennas and Propagation (EUCAP) (01-03-2012)“…A theoretical approach is described to determine the equivalent isotropic radiated power (EIRP) of Ultra-Wideband (UWB) impulse radio (IR) transmitters with a…”
Get full text
Conference Proceeding -
10
System simulation of a localization system based on power level detection with distributed antennas
Published in Proceedings of the 5th European Conference on Antennas and Propagation (EUCAP) (01-04-2011)“…Estimation of the transmitter position based on the received signal strength (RSS) appears to be an attractive approach for indoor applications. However,…”
Get full text
Conference Proceeding -
11
Enhanced investigations of 433 MHz-10 GHz time invariant wireless in-car communication channels
Published in 2011 German Microwave Conference (01-03-2011)“…This paper presents the results of frequency domain channel sounding of wireless in-car channels. Based on an extended measurement campaign different…”
Get full text
Conference Proceeding -
12
Validação da fita «CIMDER de 3 cores», como instrumento de detecção de risco nutricional entre pré-escolares
Published in Revista de saúde pública (01-02-1994)“…Analisou-se a validade da utilização da fita "CIMDER de 3 cores" pelos agentes de saúde do Estado de Rondônia, Brasil, como instrumento de detecção de risco…”
Get full text
Journal Article -
13
Overview of frequent pattern mining
Published in Genomics & informatics (2022)“…Various methods of frequent pattern mining have been applied to genetic problems, specifically, to the combined association of two genotypes (a genotype…”
Get full text
Journal Article