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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Radar multiple beamforming simulation including noise and tolerance effects

Manrique, Gonzalo A. January 1981 (has links)
No description available.
2

Optimization techniques in data mining with applications to biomedical and psychophysiological data sets

Yu, Zhaohan 01 May 2009 (has links)
Our research mainly consisted by two parts. First, apply p-norm error measure instead of 1-norm measure in a linear programming discrimination, which generates a linear hyperplane to classify two data sets. With this p-norm error measure, the errors generated by the classifier are not treated equally but rather biased. For 1, the bigger one error is, the more weight it obtains in the objective function. Second, investigation is conducted on a psychophysiological data set. Various methods are tested on this multi-dimensional time-series data set, from the linear programming method to the neural network method. With the help of DFT, The data is able to be transferred from the time domain to the frequency domain, in which the data set has interesting patterns
3

Frequency tracking and its application in speech analysis

Totarong, Pian January 1983 (has links)
No description available.
4

Stanovení obsahu rozpuštěného a nerozpuštěného vzduchu ve vodě / Determination of dissolved and undissolved air content in water

Svoboda, Richard January 2019 (has links)
This thesis describes the design and evaluation process of experimental measuring of the amount of bubbly air in water. The measuring principle is based on the assessment of speed of sound, which is dependent on the presence of air. Results were compared with the concentration calculated from the calibrated air flow through nozzles.
5

Detekcija nule A/D konvertorom niske rezolucije / Null detection using low resolution A/D converter

Vujičić Bojan 26 June 2017 (has links)
<p>U tezi je rešavan centralni problem &ndash; detekcija nule dvobitnom<br />stohastičkom digitalnom mernom metodom (SDMM). Formulisane su<br />dve metode detekcije nule primenom dvobitne SDMM. Po prvoj metodi<br />dinamička rezerva je oko 100 dB a po drugoj ne manje od 160 dB. Obe<br />metode su proverene teorijski, simulaciono i eksperimentalno. Pored<br />rešenja centralnog problema, dato je i nekoliko rešenja problema<br />koji su sa njim vezani. Hipoteza ove teze &ndash; &bdquo;dvobitna SDMM je u opsegu<br />0 % - 10% FS bolja od standardne sempling metode (SSM)&ldquo; &ndash; je potpuno<br />potvrđena u svim razmatranim slučajevima.</p> / <p>The main goal of this thesis was null-detection using a two-bit stochastic<br />digital measurement method (SDMM). Two methods of null-detection, using<br />two-bit SDMM, were formulated. Using the first method around 100 dB of<br />dynamic reserve was achieved and using the second one no less than<br />160 dB. Both methods were theoretically, using simulation and experimentally<br />confirmed. In addition to the solution of the main problem, several other<br />related problems were also solved. The hypothesis of this thesis &ndash; &ldquo;two-bit<br />SDMM in range from 0 % - 10 % FS is better than the standard sampling<br />method (SSM)&rdquo; has been fully confirmed in all considered cases.</p>

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