نتایج جستجو برای: signal correction

تعداد نتایج: 575709  

Journal: :Journal of Korean Institute of Industrial Engineers 2011

Ahmad Rouhollahi Hossein Tavakoli Jahanbakhsh Ghasemi, Majid Hashemi Mohammad Noroozi Shahzad Nayebi

Direct orthogonal signal correction(DOSC) and Savitzky-Golay filters (SGF) were applied as preprocessing methods on the original and first derivative absorbance data. Principle component regression (PCR), partial least squares (PLS) and iterative target transformation factor analysis (ITTFA), were used in spectrophotometric simultaneous determination of heavy divalent metal ions, l...

Journal: :Optics letters 2009
Alexander Jesacher Anisha Thayil Kate Grieve Delphine Débarre Tomoko Watanabe Tony Wilson Shankar Srinivas Martin Booth

Adaptive optics is implemented in a harmonic generation microscope using a wavefront sensorless correction scheme. Both the second- and third-harmonic intensity signals are used as the optimization metric. Aberration correction is performed to compensate both system- and specimen-induced aberrations by using an efficient optimization routine based upon Zernike polynomial modes. Images of live m...

2013
YANJUN ZHANG YING SHENG SHIJI YUAN

The method of mutual coupling correction of array output signal is studied in the paper. According to array signal processing’s feature, array error model is analyzed and array mutual coupling is studied. The method that smart antennas’ channel calibration by BP network in wireless communication is proposed, which improves the accuracy of algorithms , such as the DOA estimation algorithm, Beam ...

2005
D. Béal

The signal recorded by the sensor contains information relative both to the atmosphere and the surface. Atmospheric correction is necessary to extract the surface reflectance required within biophysical algorithms used to estimate canopy characteristics. Aerosol characteristics are the most difficult to evaluate because they vary rapidly with time and space. The objective is to develop an auton...

Journal: :Physical Review Special Topics - Accelerators and Beams 2007

Journal: :International Conference on Aerospace Sciences and Aviation Technology 2007

Journal: :Proceedings of National Aviation University 2008

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