CODED APERTURE DESIGN FOR X-RAY TOMOSYNTHESIS by
نویسندگان
چکیده
منابع مشابه
Determination of X-Ray Transient Source Positions By Bayesian Analysis of Coded Aperture Data
We present a new method of transient point source deconvolution for coded-aperture X-Ray detectors. Our method is based upon the calculation of the likelihood function and its interpretation as a probability density for the transient source position by an application of Bayes’ Theorem. The method obtains point estimates of source positions by finding the maximum of this probability density, and...
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Imaging at hard X-ray energies (~10-600 keV) over very large fields of view (~60 per telescope) is required to conduct a high sensitivity all-sky and all-time survey for black holes. The proposed Energetic X-ray Imaging Survey Telescope (EXIST) could achieve the high sensitivity required for the mission science objectives by scanning an array of wide-field coded aperture telescopes with apertur...
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Andromeda is a wideeld, imaging, hard X-ray/soft gamma-ray instrument capable of detecting gamma-ray bursts (GRBs) a factor 20 times fainter than GRO/BATSE. During 1-year of a two-year mission, it could determine whether GRBs are Galactic or cosmological in origin by searching for an excess of bursts towards the nearby Andromeda galaxy (M31). As a pointed, imaging instrument with sensitivity in...
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Wide-field (& 100 deg) hard X-ray coded-aperture telescopes with high angular resolution (. 2′) will enable a wide range of time domain astrophysics. For instance, transient sources such as gammaray bursts can be precisely localized without assistance of secondary focusing X-ray telescopes to enable rapid followup studies. On the other hand, high angular resolution in coded-aperture imaging int...
متن کاملDevelopment of an XSPEC-Based Spectral Analysis System for the Coded-Aperture Hard X-ray Balloon Payload EXITE2
We present the spectral analysis system for the second-generation Energetic X-ray Imaging Telescope Experiment (EXITE2) balloon payload. EXITE2 is an imaging hard X-ray telescope using a coded-aperture mask and a NaI/CsI phoswich detector operating in the energy range 20–600 keV. The instrument was flown on a highaltitude scientific balloon from Ft. Sumner, NM on 1997 May 7-8. We describe the d...
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تاریخ انتشار 2014