Fitting and Comparison of Models of Radio Spectra Bojan Nikolic Astrophysics Group, Cavendish Laborator y/Kavli Institute for Cosmology University of Cambridge December 2009 @ NRAO Green Bank R60 B. Nikolic ( Cambridge ) Fitting of radio spectra 1 / 37 Introduction Outline 1 2 Introduction Method Bayesian analysis Implementation Visualisation Simple examples NGC 628 NGC 3627 ... So analysis often consists of "fitting" a set of models to the observations. ...

... The design employs a differential structure. ... The input is adapted to 100 differential, and the outputs use standard Low Voltage Differential Signaling (LVDS). ... T/H SINGLE T/H Single Input T/H Single Output 1.35 0.15 0.2 T/H DIFFERENTIAL Input T/H Output T/H 0.1 1.3 0.05 volts volts Figure 5: Digital part and digital gate 0 1.25 -0.05 -0.1 1.2 Integrated Test System A test system is integrated on chip to evaluate the transmission to the data acquisition card (fig: 7). ...