123,220 research outputs found
[Stammbuch G. Hartmann]
No full text[STAMMBUCH G. HARTMANN]
[Stammbuch G. Hartmann] ( - )
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Ouverture zur Oper Der Barbier von Sevilla / G. Rossini. Durchgesehen u. rev. von Hugo Hartmann
No full textOUVERTURE ZUR OPER DER BARBIER VON SEVILLA / G. ROSSINI. DURCHGESEHEN U. REV. VON HUGO HARTMANN
Ouverture zur Oper Der Barbier von Sevilla / G. Rossini. Durchgesehen u. rev. von Hugo Hartmann (1)
Titelseite (1)
Ouverture zur Oper Der Barbier von Sevilla (2
Poinsot's Elemente der Statik: als Lehrbuch für den öffentlichen Unterricht und zum Selbstudium
No full textNach der 5. Ausg. aus dem Franz. übers. von J. G. Hartmann
XXIV, 232
Estimation of the total error of modal wavefront reconstruction with Zernike polynomials and Hartmann-Shack test
No full textThe paper discusses the influence of the Hartmann-(Shack) wavefront sensor geometry on the total error of modal wavefront reconstruction. A mathematical model is proposed which describes modal wavefront reconstruction based on Hartmann or Hartmann-Shack sensor in terms of linear operators. The modal covers the most general case and is not limited by the orthogonality of decomposition basis or by the method chosen for decomposition. The total reconstruction error is calculated for any given statistics of the wavefront to be measured. Based on this estimate, total reconstruction error is calculated for regular and randomised Hartmann masks. The calculations demonstrate that use of random masks with non-regular Fourier spectra for Zernike wavefront reconstruction for atmospheric turbulence allows to double the number of decomposition modes with the same total error.Electronic InstrumentationElectrical Engineering, Mathematics and Computer Scienc
Oral History Interview of Edward Hartmann (SOH-013)
No full textEdward G. Hartmann, former director of libraries and professor of history, reflects on his thirty-year career at Suffolk University. The interview covers his experiences at Suffolk; his teaching career and methods; his thoughts on the university’s presidents and administrations; and his work as an ethnic historian. He concludes with his thoughts on the progress of Suffolk and his hope for continued high educational standards at the university.https://dc.suffolk.edu/soh/1008/thumbnail.jp
Hartmann-Kempf Instrument
No full textAn unknown instrument manufactured in Germany by the firm Hartmann-Kempf.21 x 20 x 11 cmCYCLES. HARTMANN-KEMPF'S PATENT. JAMES G. BIDDLE, PHILADEPHIA. MADE IN GERMANY. No. 43951
[Carta de G. Hartmann a Antoni Nicolau]
No full textCarta de H. Hartman a Antoni Nicolau sobre els honoraris de Ernest Van Dyck per les seves actuacions en els concerts celebrats a Barcelona el mes de març de 1896. Volum: 1 carta i 1 sobr
Depth-Resolved Wavefront Aberrations using a Coherence-Gated Shack-Hartmann Wavefront Sensor
No full textIn the present paper we investigate the possibility of narrowing the depth range of a physical Shack - Hartmann (SH) wavefront sensor (WFS) by using coherence gating. For the coherence gating, two low coherence interferometry (LCI) methods are evaluated and proof of principle configurations demonstrated: (i) a time domain LCI method based on phase shifting interferometry and (ii) a spectral domain LCI method, based on tuning a narrow band optical source. The two configurations are used to demonstrate each, the possibility of constructing a coherence gated (CG) SH/WFS. It is shown that these configurations produce spot patterns similar to those provided by a conventional SH/WFS. The two proof of principle configurations are also used to illustrate elimination of stray reflections in the interface optics which normally disturb the operation of conventional SH/WFSs. The speed and noise performance of the two CG-SH/WFS implementations are discussed
Focus and tone
No full textTone is a distinctive feature of the lexemes in tone languages. The information-structural category focus is usually marked by syntactic and morphological means in these languages, but sometimes also by intonation strategies. In intonation languages, focus is marked by pitch movements, which are also perceived as tone. The present article discusses prosodic focus marking in these two language types
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